xref: /petsc/src/sys/logging/handler/impls/default/logdefault.c (revision dd8e379b23d2ef935d8131fb74f7eb73fef09263)
1 #include <petscviewer.h>
2 #include <petscdevice.h>
3 #include <petsc/private/logimpl.h> /*I "petscsys.h" I*/
4 #include <petsc/private/loghandlerimpl.h>
5 #include <petsc/private/deviceimpl.h>
6 #include <petscconfiginfo.h>
7 #include <petscmachineinfo.h>
8 #include "logdefault.h"
9 
10 static PetscErrorCode PetscEventPerfInfoInit(PetscEventPerfInfo *eventInfo)
11 {
12   PetscFunctionBegin;
13   PetscCall(PetscMemzero(eventInfo, sizeof(*eventInfo)));
14   eventInfo->visible   = PETSC_TRUE;
15   eventInfo->id        = -1;
16   eventInfo->dof[0]    = -1.0;
17   eventInfo->dof[1]    = -1.0;
18   eventInfo->dof[2]    = -1.0;
19   eventInfo->dof[3]    = -1.0;
20   eventInfo->dof[4]    = -1.0;
21   eventInfo->dof[5]    = -1.0;
22   eventInfo->dof[6]    = -1.0;
23   eventInfo->dof[7]    = -1.0;
24   eventInfo->errors[0] = -1.0;
25   eventInfo->errors[1] = -1.0;
26   eventInfo->errors[2] = -1.0;
27   eventInfo->errors[3] = -1.0;
28   eventInfo->errors[4] = -1.0;
29   eventInfo->errors[5] = -1.0;
30   eventInfo->errors[6] = -1.0;
31   eventInfo->errors[7] = -1.0;
32   PetscFunctionReturn(PETSC_SUCCESS);
33 }
34 
35 static PetscErrorCode PetscEventPerfInfoTic_Internal(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event, PetscBool resume)
36 {
37   PetscFunctionBegin;
38   if (resume) {
39     eventInfo->timeTmp -= time;
40     eventInfo->flopsTmp -= petsc_TotalFlops_th;
41   } else {
42     eventInfo->timeTmp  = -time;
43     eventInfo->flopsTmp = -petsc_TotalFlops_th;
44   }
45   eventInfo->numMessages -= petsc_irecv_ct_th + petsc_isend_ct_th + petsc_recv_ct_th + petsc_send_ct_th;
46   eventInfo->messageLength -= petsc_irecv_len_th + petsc_isend_len_th + petsc_recv_len_th + petsc_send_len_th;
47   eventInfo->numReductions -= petsc_allreduce_ct_th + petsc_gather_ct_th + petsc_scatter_ct_th;
48 #if defined(PETSC_HAVE_DEVICE)
49   eventInfo->CpuToGpuCount -= petsc_ctog_ct_th;
50   eventInfo->GpuToCpuCount -= petsc_gtoc_ct_th;
51   eventInfo->CpuToGpuSize -= petsc_ctog_sz_th;
52   eventInfo->GpuToCpuSize -= petsc_gtoc_sz_th;
53   eventInfo->GpuFlops -= petsc_gflops_th;
54   eventInfo->GpuTime -= petsc_gtime;
55 #endif
56   if (logMemory) {
57     PetscLogDouble usage;
58     PetscCall(PetscMemoryGetCurrentUsage(&usage));
59     eventInfo->memIncrease -= usage;
60     PetscCall(PetscMallocGetCurrentUsage(&usage));
61     eventInfo->mallocSpace -= usage;
62     PetscCall(PetscMallocGetMaximumUsage(&usage));
63     eventInfo->mallocIncrease -= usage;
64     PetscCall(PetscMallocPushMaximumUsage(event));
65   }
66   PetscFunctionReturn(PETSC_SUCCESS);
67 }
68 
69 static PetscErrorCode PetscEventPerfInfoTic(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
70 {
71   PetscFunctionBegin;
72   PetscCall(PetscEventPerfInfoTic_Internal(eventInfo, time, logMemory, event, PETSC_FALSE));
73   PetscFunctionReturn(PETSC_SUCCESS);
74 }
75 
76 static PetscErrorCode PetscEventPerfInfoResume(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
77 {
78   PetscFunctionBegin;
79   PetscCall(PetscEventPerfInfoTic_Internal(eventInfo, time, logMemory, event, PETSC_TRUE));
80   PetscFunctionReturn(PETSC_SUCCESS);
81 }
82 
83 static PetscErrorCode PetscEventPerfInfoToc_Internal(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event, PetscBool pause)
84 {
85   PetscFunctionBegin;
86   eventInfo->timeTmp += time;
87   eventInfo->flopsTmp += petsc_TotalFlops_th;
88   if (!pause) {
89     eventInfo->time += eventInfo->timeTmp;
90     eventInfo->time2 += eventInfo->timeTmp * eventInfo->timeTmp;
91     eventInfo->flops += eventInfo->flopsTmp;
92     eventInfo->flops2 += eventInfo->flopsTmp * eventInfo->flopsTmp;
93   }
94   eventInfo->numMessages += petsc_irecv_ct_th + petsc_isend_ct_th + petsc_recv_ct_th + petsc_send_ct_th;
95   eventInfo->messageLength += petsc_irecv_len_th + petsc_isend_len_th + petsc_recv_len + petsc_send_len_th;
96   eventInfo->numReductions += petsc_allreduce_ct_th + petsc_gather_ct_th + petsc_scatter_ct_th;
97 #if defined(PETSC_HAVE_DEVICE)
98   eventInfo->CpuToGpuCount += petsc_ctog_ct_th;
99   eventInfo->GpuToCpuCount += petsc_gtoc_ct_th;
100   eventInfo->CpuToGpuSize += petsc_ctog_sz_th;
101   eventInfo->GpuToCpuSize += petsc_gtoc_sz_th;
102   eventInfo->GpuFlops += petsc_gflops_th;
103   eventInfo->GpuTime += petsc_gtime;
104 #endif
105   if (logMemory) {
106     PetscLogDouble usage, musage;
107     PetscCall(PetscMemoryGetCurrentUsage(&usage)); /* the comments below match the column labels printed in PetscLogView_Default() */
108     eventInfo->memIncrease += usage;               /* RMI */
109     PetscCall(PetscMallocGetCurrentUsage(&usage));
110     eventInfo->mallocSpace += usage; /* Malloc */
111     PetscCall(PetscMallocPopMaximumUsage((int)event, &musage));
112     eventInfo->mallocIncreaseEvent = PetscMax(musage - usage, eventInfo->mallocIncreaseEvent); /* EMalloc */
113     PetscCall(PetscMallocGetMaximumUsage(&usage));
114     eventInfo->mallocIncrease += usage; /* MMalloc */
115   }
116   PetscFunctionReturn(PETSC_SUCCESS);
117 }
118 
119 static PetscErrorCode PetscEventPerfInfoToc(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
120 {
121   PetscFunctionBegin;
122   PetscCall(PetscEventPerfInfoToc_Internal(eventInfo, time, logMemory, event, PETSC_FALSE));
123   PetscFunctionReturn(PETSC_SUCCESS);
124 }
125 
126 static PetscErrorCode PetscEventPerfInfoPause(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
127 {
128   PetscFunctionBegin;
129   PetscCall(PetscEventPerfInfoToc_Internal(eventInfo, time, logMemory, event, PETSC_TRUE));
130   PetscFunctionReturn(PETSC_SUCCESS);
131 }
132 
133 static PetscErrorCode PetscEventPerfInfoAdd_Internal(const PetscEventPerfInfo *eventInfo, PetscEventPerfInfo *outInfo)
134 {
135   PetscFunctionBegin;
136   outInfo->count += eventInfo->count;
137   outInfo->time += eventInfo->time;
138   outInfo->time2 += eventInfo->time2;
139   outInfo->flops += eventInfo->flops;
140   outInfo->flops2 += eventInfo->flops2;
141   outInfo->numMessages += eventInfo->numMessages;
142   outInfo->messageLength += eventInfo->messageLength;
143   outInfo->numReductions += eventInfo->numReductions;
144 #if defined(PETSC_HAVE_DEVICE)
145   outInfo->CpuToGpuCount += eventInfo->CpuToGpuCount;
146   outInfo->GpuToCpuCount += eventInfo->GpuToCpuCount;
147   outInfo->CpuToGpuSize += eventInfo->CpuToGpuSize;
148   outInfo->GpuToCpuSize += eventInfo->GpuToCpuSize;
149   outInfo->GpuFlops += eventInfo->GpuFlops;
150   outInfo->GpuTime += eventInfo->GpuTime;
151 #endif
152   outInfo->memIncrease += eventInfo->memIncrease;
153   outInfo->mallocSpace += eventInfo->mallocSpace;
154   outInfo->mallocIncreaseEvent += eventInfo->mallocIncreaseEvent;
155   outInfo->mallocIncrease += eventInfo->mallocIncrease;
156   PetscFunctionReturn(PETSC_SUCCESS);
157 }
158 
159 PETSC_LOG_RESIZABLE_ARRAY(EventPerfArray, PetscEventPerfInfo, PetscLogEvent, PetscEventPerfInfoInit, NULL, NULL)
160 
161 /* --- PetscClassPerf --- */
162 
163 typedef struct {
164   int            creations;    /* The number of objects of this class created */
165   int            destructions; /* The number of objects of this class destroyed */
166   PetscLogDouble mem;          /* The total memory allocated by objects of this class; this is completely wrong and should possibly be removed */
167   PetscLogDouble descMem;      /* The total memory allocated by descendents of these objects; this is completely wrong and should possibly be removed */
168 } PetscClassPerf;
169 
170 static PetscErrorCode PetscClassPerfInit(PetscClassPerf *classInfo)
171 {
172   PetscFunctionBegin;
173   PetscCall(PetscMemzero(classInfo, sizeof(*classInfo)));
174   PetscFunctionReturn(PETSC_SUCCESS);
175 }
176 
177 PETSC_LOG_RESIZABLE_ARRAY(ClassPerfArray, PetscClassPerf, PetscLogClass, PetscClassPerfInit, NULL, NULL)
178 
179 /* --- PetscStagePerf --- */
180 
181 typedef struct _PetscStagePerf {
182   PetscBool              used;     /* The stage was pushed on this processor */
183   PetscEventPerfInfo     perfInfo; /* The stage performance information */
184   PetscLogEventPerfArray eventLog; /* The event information for this stage */
185   PetscLogClassPerfArray classLog; /* The class information for this stage */
186 } PetscStagePerf;
187 
188 static PetscErrorCode PetscStageInfoInit(PetscStagePerf *stageInfo)
189 {
190   PetscFunctionBegin;
191   PetscCall(PetscMemzero(stageInfo, sizeof(*stageInfo)));
192   PetscCall(PetscLogEventPerfArrayCreate(128, &stageInfo->eventLog));
193   PetscCall(PetscLogClassPerfArrayCreate(128, &stageInfo->classLog));
194   PetscCall(PetscEventPerfInfoInit(&stageInfo->perfInfo));
195   PetscFunctionReturn(PETSC_SUCCESS);
196 }
197 
198 static PetscErrorCode PetscStageInfoReset(PetscStagePerf *stageInfo)
199 {
200   PetscFunctionBegin;
201   PetscCall(PetscLogEventPerfArrayDestroy(&stageInfo->eventLog));
202   PetscCall(PetscLogClassPerfArrayDestroy(&stageInfo->classLog));
203   PetscFunctionReturn(PETSC_SUCCESS);
204 }
205 
206 PETSC_LOG_RESIZABLE_ARRAY(StageInfoArray, PetscStagePerf, PetscLogStage, PetscStageInfoInit, PetscStageInfoReset, NULL)
207 
208 /* --- Action --- */
209 
210 /* The structure for action logging */
211 typedef enum {
212   PETSC_LOG_ACTION_CREATE,
213   PETSC_LOG_ACTION_DESTROY,
214   PETSC_LOG_ACTION_BEGIN,
215   PETSC_LOG_ACTION_END,
216 } PetscLogActionType;
217 
218 typedef struct _Action {
219   PetscLogActionType action;        /* The type of execution */
220   PetscLogEvent      event;         /* The event number */
221   PetscClassId       classid;       /* The event class id */
222   PetscLogDouble     time;          /* The time of occurrence */
223   PetscLogDouble     flops;         /* The cumulative flops */
224   PetscLogDouble     mem;           /* The current memory usage */
225   PetscLogDouble     maxmem;        /* The maximum memory usage */
226   int                id1, id2, id3; /* The ids of associated objects */
227 } Action;
228 
229 PETSC_LOG_RESIZABLE_ARRAY(ActionArray, Action, PetscLogEvent, NULL, NULL, NULL)
230 
231 /* --- Object --- */
232 
233 /* The structure for object logging */
234 typedef struct _Object {
235   PetscObject    obj;      /* The associated PetscObject */
236   int            parent;   /* The parent id */
237   PetscLogDouble mem;      /* The memory associated with the object */
238   char           name[64]; /* The object name */
239   char           info[64]; /* The information string */
240 } Object;
241 
242 PETSC_LOG_RESIZABLE_ARRAY(ObjectArray, Object, PetscObject, NULL, NULL, NULL)
243 
244 /* Map from (threadid,stage,event) to perfInfo data struct */
245 #include <petsc/private/hashmapijk.h>
246 
247 PETSC_HASH_MAP(HMapEvent, PetscHashIJKKey, PetscEventPerfInfo *, PetscHashIJKKeyHash, PetscHashIJKKeyEqual, NULL)
248 
249 typedef struct _n_PetscLogHandler_Default *PetscLogHandler_Default;
250 struct _n_PetscLogHandler_Default {
251   PetscLogStageInfoArray stages;
252   PetscSpinlock          lock;
253   PetscLogActionArray    petsc_actions;
254   PetscLogObjectArray    petsc_objects;
255   PetscBool              petsc_logActions;
256   PetscBool              petsc_logObjects;
257   int                    petsc_numObjectsCreated;
258   int                    petsc_numObjectsDestroyed;
259   PetscHMapEvent         eventInfoMap_th;
260   int                    pause_depth;
261   PetscBool              use_threadsafe;
262 };
263 
264 /* --- PetscLogHandler_Default --- */
265 
266 static PetscErrorCode PetscLogHandlerContextCreate_Default(PetscLogHandler_Default *def_p)
267 {
268   PetscLogHandler_Default def;
269 
270   PetscFunctionBegin;
271   PetscCall(PetscNew(def_p));
272   def = *def_p;
273   PetscCall(PetscLogStageInfoArrayCreate(8, &def->stages));
274   PetscCall(PetscLogActionArrayCreate(64, &def->petsc_actions));
275   PetscCall(PetscLogObjectArrayCreate(64, &def->petsc_objects));
276 
277   PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_include_actions", &def->petsc_logActions, NULL));
278   PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_include_objects", &def->petsc_logObjects, NULL));
279   PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_handler_default_use_threadsafe_events", &def->use_threadsafe, NULL));
280   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) { PetscCall(PetscHMapEventCreate(&def->eventInfoMap_th)); }
281   PetscFunctionReturn(PETSC_SUCCESS);
282 }
283 
284 static PetscErrorCode PetscLogHandlerDestroy_Default(PetscLogHandler h)
285 {
286   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
287 
288   PetscFunctionBegin;
289   PetscCall(PetscLogStageInfoArrayDestroy(&def->stages));
290   PetscCall(PetscLogActionArrayDestroy(&def->petsc_actions));
291   PetscCall(PetscLogObjectArrayDestroy(&def->petsc_objects));
292   if (def->eventInfoMap_th) {
293     PetscEventPerfInfo **array;
294     PetscInt             n, off = 0;
295 
296     PetscCall(PetscHMapEventGetSize(def->eventInfoMap_th, &n));
297     PetscCall(PetscMalloc1(n, &array));
298     PetscCall(PetscHMapEventGetVals(def->eventInfoMap_th, &off, array));
299     for (PetscInt i = 0; i < n; i++) PetscCall(PetscFree(array[i]));
300     PetscCall(PetscFree(array));
301     PetscCall(PetscHMapEventDestroy(&def->eventInfoMap_th));
302   }
303   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerGetEventPerfInfo_C", NULL));
304   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerGetStagePerfInfo_C", NULL));
305   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerSetLogActions_C", NULL));
306   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerSetLogObjects_C", NULL));
307   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerLogObjectState_C", NULL));
308   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerGetNumObjects_C", NULL));
309   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventDeactivatePush_C", NULL));
310   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventDeactivatePop_C", NULL));
311   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventsPause_C", NULL));
312   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventsResume_C", NULL));
313   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerDump_C", NULL));
314   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerStageSetVisible_C", NULL));
315   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerStageGetVisible_C", NULL));
316   PetscCall(PetscFree(def));
317   PetscFunctionReturn(PETSC_SUCCESS);
318 }
319 
320 static PetscErrorCode PetscLogHandlerDefaultGetStageInfo(PetscLogHandler handler, PetscLogStage stage, PetscStagePerf **stage_info_p)
321 {
322   PetscStagePerf         *stage_info = NULL;
323   PetscLogHandler_Default def        = (PetscLogHandler_Default)handler->data;
324 
325   PetscFunctionBegin;
326   PetscCall(PetscLogStageInfoArrayResize(def->stages, stage + 1));
327   PetscCall(PetscLogStageInfoArrayGetRef(def->stages, stage, &stage_info));
328   *stage_info_p = stage_info;
329   PetscFunctionReturn(PETSC_SUCCESS);
330 }
331 
332 static PetscErrorCode PetscLogHandlerGetEventPerfInfo_Default(PetscLogHandler handler, PetscLogStage stage, PetscLogEvent event, PetscEventPerfInfo **event_info_p)
333 {
334   PetscEventPerfInfo    *event_info = NULL;
335   PetscStagePerf        *stage_info = NULL;
336   PetscLogEventPerfArray event_log;
337 
338   PetscFunctionBegin;
339   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(handler->state, &stage));
340   PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_info));
341   event_log = stage_info->eventLog;
342   PetscCall(PetscLogEventPerfArrayResize(event_log, event + 1));
343   PetscCall(PetscLogEventPerfArrayGetRef(event_log, event, &event_info));
344   event_info->id = event;
345   *event_info_p  = event_info;
346   PetscFunctionReturn(PETSC_SUCCESS);
347 }
348 
349 static PetscErrorCode PetscLogHandlerGetStagePerfInfo_Default(PetscLogHandler handler, PetscLogStage stage, PetscEventPerfInfo **stage_info_p)
350 {
351   PetscStagePerf *stage_perf_info = NULL;
352 
353   PetscFunctionBegin;
354   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(handler->state, &stage));
355   PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_perf_info));
356   *stage_info_p = &stage_perf_info->perfInfo;
357   PetscFunctionReturn(PETSC_SUCCESS);
358 }
359 
360 static PetscErrorCode PetscLogHandlerDefaultGetClassPerf(PetscLogHandler handler, PetscLogStage stage, PetscLogClass clss, PetscClassPerf **class_info)
361 {
362   PetscLogClassPerfArray class_log;
363   PetscStagePerf        *stage_info;
364 
365   PetscFunctionBegin;
366   PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_info));
367   class_log = stage_info->classLog;
368   PetscCall(PetscLogClassPerfArrayResize(class_log, clss + 1));
369   PetscCall(PetscLogClassPerfArrayGetRef(class_log, clss, class_info));
370   PetscFunctionReturn(PETSC_SUCCESS);
371 }
372 
373 static PetscErrorCode PetscLogHandlerObjectCreate_Default(PetscLogHandler h, PetscObject obj)
374 {
375   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
376   PetscLogState           state;
377   PetscLogStage           stage;
378   PetscClassPerf         *classInfo;
379   int                     oclass = 0;
380 
381   PetscFunctionBegin;
382   PetscCall(PetscLogHandlerGetState(h, &state));
383   PetscCall(PetscSpinlockLock(&def->lock));
384   /* Record stage info */
385   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
386   PetscCall(PetscLogStateGetClassFromClassId(state, obj->classid, &oclass));
387   PetscCall(PetscLogHandlerDefaultGetClassPerf(h, stage, oclass, &classInfo));
388   classInfo->creations++;
389   /* Record the creation action */
390   if (def->petsc_logActions) {
391     Action new_action;
392 
393     PetscCall(PetscTime(&new_action.time));
394     new_action.time -= petsc_BaseTime;
395     new_action.action  = PETSC_LOG_ACTION_CREATE;
396     new_action.event   = -1;
397     new_action.classid = obj->classid;
398     new_action.id1     = obj->id;
399     new_action.id2     = -1;
400     new_action.id3     = -1;
401     new_action.flops   = petsc_TotalFlops;
402     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
403     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
404     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
405   }
406   /* We don't just use obj->id to count all objects that are created
407      because PetscLogHandlers are objects and PetscLogObjectDestroy() will not
408      be called for them: the number of objects created and destroyed as counted
409      here and below would have an imbalance */
410   def->petsc_numObjectsCreated++;
411   /* Record the object */
412   if (def->petsc_logObjects) {
413     Object new_object;
414 
415     new_object.parent = -1;
416     new_object.obj    = obj;
417     new_object.mem    = 0;
418 
419     PetscCall(PetscMemzero(new_object.name, sizeof(new_object.name)));
420     PetscCall(PetscMemzero(new_object.info, sizeof(new_object.info)));
421     PetscAssert(obj->id >= 1, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Object ids from PetscObjectNewId_Internal() start at 1");
422     PetscCall(PetscLogObjectArrayResize(def->petsc_objects, obj->id));
423     PetscCall(PetscLogObjectArraySet(def->petsc_objects, obj->id - 1, new_object));
424   }
425   PetscCall(PetscSpinlockUnlock(&def->lock));
426   PetscFunctionReturn(PETSC_SUCCESS);
427 }
428 
429 static PetscErrorCode PetscLogHandlerObjectDestroy_Default(PetscLogHandler h, PetscObject obj)
430 {
431   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
432   PetscLogState           state;
433   PetscLogStage           stage;
434   PetscClassPerf         *classInfo;
435   int                     oclass = 0;
436 
437   PetscFunctionBegin;
438   PetscCall(PetscLogHandlerGetState(h, &state));
439   /* Record stage info */
440   PetscCall(PetscSpinlockLock(&def->lock));
441   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
442   if (stage >= 0) {
443     /* stage < 0 can happen if the log summary is output before some things are destroyed */
444     PetscCall(PetscLogStateGetClassFromClassId(state, obj->classid, &oclass));
445     PetscCall(PetscLogHandlerDefaultGetClassPerf(h, stage, oclass, &classInfo));
446     classInfo->destructions++;
447   }
448   /* Cannot Credit all ancestors with your memory because they may have already been destroyed*/
449   def->petsc_numObjectsDestroyed++;
450   /* Dynamically enlarge logging structures */
451   /* Record the destruction action */
452   if (def->petsc_logActions) {
453     Action new_action;
454 
455     PetscCall(PetscTime(&new_action.time));
456     new_action.time -= petsc_BaseTime;
457     new_action.event   = -1;
458     new_action.action  = PETSC_LOG_ACTION_DESTROY;
459     new_action.classid = obj->classid;
460     new_action.id1     = obj->id;
461     new_action.id2     = -1;
462     new_action.id3     = -1;
463     new_action.flops   = petsc_TotalFlops;
464     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
465     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
466     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
467   }
468   if (def->petsc_logObjects) {
469     Object *obj_entry = NULL;
470 
471     PetscAssert(obj->id >= 1, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Object ids from PetscObjectNewId_Internal() start at 1");
472     PetscCall(PetscLogObjectArrayGetRef(def->petsc_objects, obj->id - 1, &obj_entry));
473     if (obj->name) PetscCall(PetscStrncpy(obj_entry->name, obj->name, 64));
474     obj_entry->obj = NULL;
475   }
476   PetscCall(PetscSpinlockUnlock(&def->lock));
477   PetscFunctionReturn(PETSC_SUCCESS);
478 }
479 
480 static PetscErrorCode PetscLogHandlerEventSync_Default(PetscLogHandler h, PetscLogEvent event, MPI_Comm comm)
481 {
482   PetscLogState       state;
483   PetscLogEventInfo   event_info;
484   PetscEventPerfInfo *event_perf_info;
485   int                 stage;
486   PetscLogDouble      time = 0.0;
487 
488   PetscFunctionBegin;
489   if (!PetscLogSyncOn || comm == MPI_COMM_NULL) PetscFunctionReturn(PETSC_SUCCESS);
490   PetscCall(PetscLogHandlerGetState(h, &state));
491   PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
492   if (!event_info.collective) PetscFunctionReturn(PETSC_SUCCESS);
493   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
494   PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
495   if (event_perf_info->depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
496 
497   PetscCall(PetscTimeSubtract(&time));
498   PetscCallMPI(MPI_Barrier(comm));
499   PetscCall(PetscTimeAdd(&time));
500   event_perf_info->syncTime += time;
501   PetscFunctionReturn(PETSC_SUCCESS);
502 }
503 
504 static PetscErrorCode PetscLogGetStageEventPerfInfo_threaded(PetscLogHandler_Default def, PetscLogStage stage, PetscLogEvent event, PetscEventPerfInfo **eventInfo)
505 {
506   PetscEventPerfInfo *leventInfo = NULL;
507   PetscHashIJKKey     key;
508 
509   PetscFunctionBegin;
510 #if PetscDefined(HAVE_THREADSAFETY)
511   key.i = PetscLogGetTid();
512 #else
513   key.i = 0;
514 #endif
515   key.j = stage;
516   key.k = event;
517   PetscCall(PetscSpinlockLock(&def->lock));
518   PetscCall(PetscHMapEventGet(def->eventInfoMap_th, key, &leventInfo));
519   if (!leventInfo) {
520     PetscCall(PetscNew(&leventInfo));
521     leventInfo->id = event;
522     PetscCall(PetscHMapEventSet(def->eventInfoMap_th, key, leventInfo));
523   }
524   PetscCall(PetscSpinlockUnlock(&def->lock));
525   *eventInfo = leventInfo;
526   PetscFunctionReturn(PETSC_SUCCESS);
527 }
528 
529 static PetscErrorCode PetscLogHandlerEventBegin_Default(PetscLogHandler h, PetscLogEvent event, PetscObject o1, PetscObject o2, PetscObject o3, PetscObject o4)
530 {
531   PetscLogHandler_Default def             = (PetscLogHandler_Default)h->data;
532   PetscEventPerfInfo     *event_perf_info = NULL;
533   PetscLogEventInfo       event_info;
534   PetscLogDouble          time;
535   PetscLogState           state;
536   PetscLogStage           stage;
537 
538   PetscFunctionBegin;
539   PetscCall(PetscLogHandlerGetState(h, &state));
540   if (PetscDefined(USE_DEBUG)) {
541     PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
542     if (PetscUnlikely(o1)) PetscValidHeader(o1, 3);
543     if (PetscUnlikely(o2)) PetscValidHeader(o2, 4);
544     if (PetscUnlikely(o3)) PetscValidHeader(o3, 5);
545     if (PetscUnlikely(o4)) PetscValidHeader(o4, 6);
546     if (event_info.collective && o1) {
547       PetscInt64 b1[2], b2[2];
548 
549       b1[0] = -o1->cidx;
550       b1[1] = o1->cidx;
551       PetscCall(MPIU_Allreduce(b1, b2, 2, MPIU_INT64, MPI_MAX, PetscObjectComm(o1)));
552       PetscCheck(-b2[0] == b2[1], PETSC_COMM_SELF, PETSC_ERR_PLIB, "Collective event %s not called collectively %" PetscInt64_FMT " != %" PetscInt64_FMT, event_info.name, b1[1], b2[1]);
553     }
554   }
555   /* Synchronization */
556   PetscCall(PetscLogHandlerEventSync_Default(h, event, PetscObjectComm(o1)));
557   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
558   if (def->pause_depth > 0) stage = 0; // in pause-mode, all events run on the main stage
559   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) {
560     PetscCall(PetscLogGetStageEventPerfInfo_threaded(def, stage, event, &event_perf_info));
561     if (event_perf_info->depth == 0) { PetscCall(PetscEventPerfInfoInit(event_perf_info)); }
562   } else {
563     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
564   }
565   PetscCheck(event_perf_info->depth >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Trying to begin a paused event, this is not allowed");
566   event_perf_info->depth++;
567   /* Check for double counting */
568   if (event_perf_info->depth > 1) PetscFunctionReturn(PETSC_SUCCESS);
569   PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
570   /* Log the performance info */
571   event_perf_info->count++;
572   PetscCall(PetscTime(&time));
573   PetscCall(PetscEventPerfInfoTic(event_perf_info, time, PetscLogMemory, (int)event));
574   if (def->petsc_logActions) {
575     PetscLogDouble curTime;
576     Action         new_action;
577 
578     PetscCall(PetscTime(&curTime));
579     new_action.time    = curTime - petsc_BaseTime;
580     new_action.action  = PETSC_LOG_ACTION_BEGIN;
581     new_action.event   = event;
582     new_action.classid = event_info.classid;
583     new_action.id1     = o1 ? o1->id : -1;
584     new_action.id2     = o2 ? o2->id : -1;
585     new_action.id3     = o3 ? o3->id : -1;
586     new_action.flops   = petsc_TotalFlops;
587     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
588     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
589     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
590   }
591   PetscFunctionReturn(PETSC_SUCCESS);
592 }
593 
594 static PetscErrorCode PetscLogHandlerEventEnd_Default(PetscLogHandler h, PetscLogEvent event, PetscObject o1, PetscObject o2, PetscObject o3, PetscObject o4)
595 {
596   PetscLogHandler_Default def             = (PetscLogHandler_Default)h->data;
597   PetscEventPerfInfo     *event_perf_info = NULL;
598   PetscLogDouble          time;
599   PetscLogState           state;
600   int                     stage;
601   PetscLogEventInfo       event_info;
602 
603   PetscFunctionBegin;
604   PetscCall(PetscLogHandlerGetState(h, &state));
605   if (PetscDefined(USE_DEBUG)) {
606     PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
607     if (PetscUnlikely(o1)) PetscValidHeader(o1, 3);
608     if (PetscUnlikely(o2)) PetscValidHeader(o2, 4);
609     if (PetscUnlikely(o3)) PetscValidHeader(o3, 5);
610     if (PetscUnlikely(o4)) PetscValidHeader(o4, 6);
611     if (event_info.collective && o1) {
612       PetscInt64 b1[2], b2[2];
613 
614       b1[0] = -o1->cidx;
615       b1[1] = o1->cidx;
616       PetscCall(MPIU_Allreduce(b1, b2, 2, MPIU_INT64, MPI_MAX, PetscObjectComm(o1)));
617       PetscCheck(-b2[0] == b2[1], PETSC_COMM_SELF, PETSC_ERR_PLIB, "Collective event %s not called collectively %" PetscInt64_FMT " != %" PetscInt64_FMT, event_info.name, b1[1], b2[1]);
618     }
619   }
620   if (def->petsc_logActions) {
621     PetscLogDouble curTime;
622     Action         new_action;
623 
624     PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
625     PetscCall(PetscTime(&curTime));
626     new_action.time    = curTime - petsc_BaseTime;
627     new_action.action  = PETSC_LOG_ACTION_END;
628     new_action.event   = event;
629     new_action.classid = event_info.classid;
630     new_action.id1     = o1 ? o1->id : -1;
631     new_action.id2     = o2 ? o2->id : -2;
632     new_action.id3     = o3 ? o3->id : -3;
633     new_action.flops   = petsc_TotalFlops;
634     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
635     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
636     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
637   }
638   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
639   if (def->pause_depth > 0) stage = 0; // all events run on the main stage in pause-mode
640   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) {
641     PetscCall(PetscLogGetStageEventPerfInfo_threaded(def, stage, event, &event_perf_info));
642   } else {
643     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
644   }
645   PetscCheck(event_perf_info->depth > 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Trying to end paused event, not allowed");
646   event_perf_info->depth--;
647   /* Check for double counting */
648   if (event_perf_info->depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
649   else PetscCheck(event_perf_info->depth == 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Logging event had unbalanced begin/end pairs");
650 
651   /* Log performance info */
652   PetscCall(PetscTime(&time));
653   PetscCall(PetscEventPerfInfoToc(event_perf_info, time, PetscLogMemory, (int)event));
654   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) {
655     PetscEventPerfInfo *event_perf_info_global;
656     PetscCall(PetscSpinlockLock(&def->lock));
657     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info_global));
658     PetscCall(PetscEventPerfInfoAdd_Internal(event_perf_info, event_perf_info_global));
659     PetscCall(PetscSpinlockUnlock(&def->lock));
660   }
661   PetscFunctionReturn(PETSC_SUCCESS);
662 }
663 
664 static PetscErrorCode PetscLogHandlerEventDeactivatePush_Default(PetscLogHandler h, PetscLogStage stage, PetscLogEvent event)
665 {
666   PetscEventPerfInfo *event_perf_info;
667 
668   PetscFunctionBegin;
669   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
670   PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
671   event_perf_info->depth++;
672   PetscFunctionReturn(PETSC_SUCCESS);
673 }
674 
675 static PetscErrorCode PetscLogHandlerEventDeactivatePop_Default(PetscLogHandler h, PetscLogStage stage, PetscLogEvent event)
676 {
677   PetscEventPerfInfo *event_perf_info;
678 
679   PetscFunctionBegin;
680   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
681   PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
682   event_perf_info->depth--;
683   PetscFunctionReturn(PETSC_SUCCESS);
684 }
685 
686 static PetscErrorCode PetscLogHandlerEventsPause_Default(PetscLogHandler h)
687 {
688   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
689   PetscLogDouble          time;
690   PetscInt                num_stages;
691 
692   PetscFunctionBegin;
693   if (def->pause_depth++ > 0) PetscFunctionReturn(PETSC_SUCCESS);
694   PetscCall(PetscLogStageInfoArrayGetSize(def->stages, &num_stages, NULL));
695   PetscCall(PetscTime(&time));
696   for (PetscInt stage = 0; stage < num_stages; stage++) {
697     PetscStagePerf *stage_info = NULL;
698     PetscInt        num_events;
699 
700     PetscCall(PetscLogStageInfoArrayGetRef(def->stages, stage, &stage_info));
701     PetscCall(PetscLogEventPerfArrayGetSize(stage_info->eventLog, &num_events, NULL));
702     for (PetscInt event = 0; event < num_events; event++) {
703       PetscEventPerfInfo *event_info = NULL;
704       PetscCall(PetscLogEventPerfArrayGetRef(stage_info->eventLog, event, &event_info));
705       if (event_info->depth > 0) {
706         event_info->depth *= -1;
707         PetscCall(PetscEventPerfInfoPause(event_info, time, PetscLogMemory, event));
708       }
709     }
710     if (stage > 0 && stage_info->perfInfo.depth > 0) {
711       stage_info->perfInfo.depth *= -1;
712       PetscCall(PetscEventPerfInfoPause(&stage_info->perfInfo, time, PetscLogMemory, -(stage + 2)));
713     }
714   }
715   PetscFunctionReturn(PETSC_SUCCESS);
716 }
717 
718 static PetscErrorCode PetscLogHandlerEventsResume_Default(PetscLogHandler h)
719 {
720   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
721   PetscLogDouble          time;
722   PetscInt                num_stages;
723 
724   PetscFunctionBegin;
725   if (--def->pause_depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
726   PetscCall(PetscLogStageInfoArrayGetSize(def->stages, &num_stages, NULL));
727   PetscCall(PetscTime(&time));
728   for (PetscInt stage = 0; stage < num_stages; stage++) {
729     PetscStagePerf *stage_info = NULL;
730     PetscInt        num_events;
731 
732     PetscCall(PetscLogStageInfoArrayGetRef(def->stages, stage, &stage_info));
733     PetscCall(PetscLogEventPerfArrayGetSize(stage_info->eventLog, &num_events, NULL));
734     for (PetscInt event = 0; event < num_events; event++) {
735       PetscEventPerfInfo *event_info = NULL;
736       PetscCall(PetscLogEventPerfArrayGetRef(stage_info->eventLog, event, &event_info));
737       if (event_info->depth < 0) {
738         event_info->depth *= -1;
739         PetscCall(PetscEventPerfInfoResume(event_info, time, PetscLogMemory, event));
740       }
741     }
742     if (stage > 0 && stage_info->perfInfo.depth < 0) {
743       stage_info->perfInfo.depth *= -1;
744       PetscCall(PetscEventPerfInfoResume(&stage_info->perfInfo, time, PetscLogMemory, -(stage + 2)));
745     }
746   }
747   PetscFunctionReturn(PETSC_SUCCESS);
748 }
749 
750 static PetscErrorCode PetscLogHandlerStagePush_Default(PetscLogHandler h, PetscLogStage new_stage)
751 {
752   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
753   PetscLogDouble          time;
754   PetscLogState           state;
755   PetscLogStage           current_stage;
756   PetscStagePerf         *new_stage_info;
757 
758   PetscFunctionBegin;
759   if (def->pause_depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
760   PetscCall(PetscLogHandlerGetState(h, &state));
761   current_stage = state->current_stage;
762   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, new_stage, &new_stage_info));
763   PetscCall(PetscTime(&time));
764 
765   /* Record flops/time of previous stage */
766   if (current_stage >= 0) {
767     if (PetscBTLookup(state->active, current_stage)) {
768       PetscStagePerf *current_stage_info;
769       PetscCall(PetscLogHandlerDefaultGetStageInfo(h, current_stage, &current_stage_info));
770       PetscCall(PetscEventPerfInfoToc(&current_stage_info->perfInfo, time, PetscLogMemory, (int)-(current_stage + 2)));
771     }
772   }
773   new_stage_info->used = PETSC_TRUE;
774   new_stage_info->perfInfo.count++;
775   new_stage_info->perfInfo.depth++;
776   /* Subtract current quantities so that we obtain the difference when we pop */
777   if (PetscBTLookup(state->active, new_stage)) PetscCall(PetscEventPerfInfoTic(&new_stage_info->perfInfo, time, PetscLogMemory, (int)-(new_stage + 2)));
778   PetscFunctionReturn(PETSC_SUCCESS);
779 }
780 
781 static PetscErrorCode PetscLogHandlerStagePop_Default(PetscLogHandler h, PetscLogStage old_stage)
782 {
783   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
784   PetscLogStage           current_stage;
785   PetscStagePerf         *old_stage_info;
786   PetscLogState           state;
787   PetscLogDouble          time;
788 
789   PetscFunctionBegin;
790   if (def->pause_depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
791   PetscCall(PetscLogHandlerGetState(h, &state));
792   current_stage = state->current_stage;
793   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, old_stage, &old_stage_info));
794   PetscCall(PetscTime(&time));
795   old_stage_info->perfInfo.depth--;
796   if (PetscBTLookup(state->active, old_stage)) { PetscCall(PetscEventPerfInfoToc(&old_stage_info->perfInfo, time, PetscLogMemory, (int)-(old_stage + 2))); }
797   if (current_stage >= 0) {
798     if (PetscBTLookup(state->active, current_stage)) {
799       PetscStagePerf *current_stage_info;
800       PetscCall(PetscLogHandlerDefaultGetStageInfo(h, current_stage, &current_stage_info));
801       PetscCall(PetscEventPerfInfoTic(&current_stage_info->perfInfo, time, PetscLogMemory, (int)-(current_stage + 2)));
802     }
803   }
804   PetscFunctionReturn(PETSC_SUCCESS);
805 }
806 
807 static PetscErrorCode PetscLogHandlerStageSetVisible_Default(PetscLogHandler h, PetscLogStage stage, PetscBool is_visible)
808 {
809   PetscStagePerf *stage_info;
810 
811   PetscFunctionBegin;
812   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
813   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, stage, &stage_info));
814   stage_info->perfInfo.visible = is_visible;
815   PetscFunctionReturn(PETSC_SUCCESS);
816 }
817 
818 static PetscErrorCode PetscLogHandlerStageGetVisible_Default(PetscLogHandler h, PetscLogStage stage, PetscBool *is_visible)
819 {
820   PetscStagePerf *stage_info;
821 
822   PetscFunctionBegin;
823   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
824   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, stage, &stage_info));
825   *is_visible = stage_info->perfInfo.visible;
826   PetscFunctionReturn(PETSC_SUCCESS);
827 }
828 
829 static PetscErrorCode PetscLogHandlerSetLogActions_Default(PetscLogHandler handler, PetscBool flag)
830 {
831   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
832 
833   PetscFunctionBegin;
834   def->petsc_logActions = flag;
835   PetscFunctionReturn(PETSC_SUCCESS);
836 }
837 
838 static PetscErrorCode PetscLogHandlerSetLogObjects_Default(PetscLogHandler handler, PetscBool flag)
839 {
840   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
841 
842   PetscFunctionBegin;
843   def->petsc_logObjects = flag;
844   PetscFunctionReturn(PETSC_SUCCESS);
845 }
846 
847 static PetscErrorCode PetscLogHandlerLogObjectState_Default(PetscLogHandler handler, PetscObject obj, const char format[], va_list Argp)
848 {
849   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
850   size_t                  fullLength;
851 
852   PetscFunctionBegin;
853   if (def->petsc_logObjects) {
854     Object *obj_entry = NULL;
855 
856     PetscCall(PetscLogObjectArrayGetRef(def->petsc_objects, obj->id - 1, &obj_entry));
857     PetscCall(PetscVSNPrintf(obj_entry->info, 64, format, &fullLength, Argp));
858   }
859   PetscFunctionReturn(PETSC_SUCCESS);
860 }
861 
862 static PetscErrorCode PetscLogHandlerGetNumObjects_Default(PetscLogHandler handler, PetscInt *num_objects)
863 {
864   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
865 
866   PetscFunctionBegin;
867   PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, num_objects, NULL));
868   PetscFunctionReturn(PETSC_SUCCESS);
869 }
870 
871 static PetscErrorCode PetscLogHandlerDump_Default(PetscLogHandler handler, const char sname[])
872 {
873   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
874   FILE                   *fd;
875   char                    file[PETSC_MAX_PATH_LEN], fname[PETSC_MAX_PATH_LEN];
876   PetscLogDouble          flops, _TotalTime;
877   PetscMPIInt             rank;
878   int                     curStage;
879   PetscLogState           state;
880   PetscInt                num_events;
881   PetscLogEvent           event;
882 
883   PetscFunctionBegin;
884   /* Calculate the total elapsed time */
885   PetscCall(PetscTime(&_TotalTime));
886   _TotalTime -= petsc_BaseTime;
887   /* Open log file */
888   PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)handler), &rank));
889   PetscCall(PetscSNPrintf(file, PETSC_STATIC_ARRAY_LENGTH(file), "%s.%d", sname && sname[0] ? sname : "Log", rank));
890   PetscCall(PetscFixFilename(file, fname));
891   PetscCall(PetscFOpen(PETSC_COMM_SELF, fname, "w", &fd));
892   PetscCheck(!(rank == 0) || !(!fd), PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "Cannot open file: %s", fname);
893   /* Output totals */
894   PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Total Flop %14e %16.8e\n", petsc_TotalFlops, _TotalTime));
895   PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Clock Resolution %g\n", 0.0));
896   /* Output actions */
897   if (def->petsc_logActions) {
898     PetscInt num_actions;
899     PetscCall(PetscLogActionArrayGetSize(def->petsc_actions, &num_actions, NULL));
900     PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Actions accomplished %d\n", (int)num_actions));
901     for (int a = 0; a < num_actions; a++) {
902       Action *action;
903 
904       PetscCall(PetscLogActionArrayGetRef(def->petsc_actions, a, &action));
905       PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "%g %d %d %d %d %d %d %g %g %g\n", action->time, action->action, (int)action->event, (int)action->classid, action->id1, action->id2, action->id3, action->flops, action->mem, action->maxmem));
906     }
907   }
908   /* Output objects */
909   if (def->petsc_logObjects) {
910     PetscInt num_objects;
911 
912     PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, &num_objects, NULL));
913     PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Objects created %d destroyed %d\n", def->petsc_numObjectsCreated, def->petsc_numObjectsDestroyed));
914     for (int o = 0; o < num_objects; o++) {
915       Object *object = NULL;
916 
917       PetscCall(PetscLogObjectArrayGetRef(def->petsc_objects, o, &object));
918       if (object->parent != -1) continue; // object with this id wasn't logged, probably a PetscLogHandler
919       PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Parent ID: %d Memory: %d\n", object->parent, (int)object->mem));
920       if (!object->name[0]) {
921         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "No Name\n"));
922       } else {
923         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Name: %s\n", object->name));
924       }
925       if (!object->info[0]) {
926         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "No Info\n"));
927       } else {
928         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Info: %s\n", object->info));
929       }
930     }
931   }
932   /* Output events */
933   PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Event log:\n"));
934   PetscCall(PetscLogHandlerGetState(handler, &state));
935   PetscCall(PetscLogStateGetNumEvents(state, &num_events));
936   PetscCall(PetscLogStateGetCurrentStage(state, &curStage));
937   for (event = 0; event < num_events; event++) {
938     PetscEventPerfInfo *event_info;
939 
940     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, curStage, event, &event_info));
941     if (event_info->time != 0.0) flops = event_info->flops / event_info->time;
942     else flops = 0.0;
943     PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "%d %16d %16g %16g %16g\n", event, event_info->count, event_info->flops, event_info->time, flops));
944   }
945   PetscCall(PetscFClose(PETSC_COMM_SELF, fd));
946   PetscFunctionReturn(PETSC_SUCCESS);
947 }
948 
949 /*
950   PetscLogView_Detailed - Each process prints the times for its own events
951 
952 */
953 static PetscErrorCode PetscLogHandlerView_Default_Detailed(PetscLogHandler handler, PetscViewer viewer)
954 {
955   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
956   PetscLogDouble          locTotalTime, numRed, maxMem;
957   PetscInt                numStages, numEvents;
958   MPI_Comm                comm = PetscObjectComm((PetscObject)viewer);
959   PetscMPIInt             rank, size;
960   PetscLogGlobalNames     global_stages, global_events;
961   PetscLogState           state;
962   PetscEventPerfInfo      zero_info;
963 
964   PetscFunctionBegin;
965   PetscCall(PetscLogHandlerGetState(handler, &state));
966   PetscCallMPI(MPI_Comm_size(comm, &size));
967   PetscCallMPI(MPI_Comm_rank(comm, &rank));
968   /* Must preserve reduction count before we go on */
969   numRed = petsc_allreduce_ct + petsc_gather_ct + petsc_scatter_ct;
970   /* Get the total elapsed time */
971   PetscCall(PetscTime(&locTotalTime));
972   locTotalTime -= petsc_BaseTime;
973   PetscCall(PetscViewerASCIIPrintf(viewer, "size = %d\n", size));
974   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalTimes = {}\n"));
975   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalMessages = {}\n"));
976   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalMessageLens = {}\n"));
977   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalReductions = {}\n"));
978   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalFlop = {}\n"));
979   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalObjects = {}\n"));
980   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalMemory = {}\n"));
981   PetscCall(PetscLogRegistryCreateGlobalStageNames(comm, state->registry, &global_stages));
982   PetscCall(PetscLogRegistryCreateGlobalEventNames(comm, state->registry, &global_events));
983   PetscCall(PetscLogGlobalNamesGetSize(global_stages, NULL, &numStages));
984   PetscCall(PetscLogGlobalNamesGetSize(global_events, NULL, &numEvents));
985   PetscCall(PetscMemzero(&zero_info, sizeof(zero_info)));
986   PetscCall(PetscViewerASCIIPrintf(viewer, "Stages = {}\n"));
987   for (PetscInt stage = 0; stage < numStages; stage++) {
988     PetscInt    stage_id;
989     const char *stage_name;
990 
991     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
992     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
993     PetscCall(PetscViewerASCIIPrintf(viewer, "Stages[\"%s\"] = {}\n", stage_name));
994     PetscCall(PetscViewerASCIIPrintf(viewer, "Stages[\"%s\"][\"summary\"] = {}\n", stage_name));
995     for (PetscInt event = 0; event < numEvents; event++) {
996       PetscEventPerfInfo *eventInfo = &zero_info;
997       PetscBool           is_zero   = PETSC_FALSE;
998       PetscInt            event_id;
999       const char         *event_name;
1000 
1001       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
1002       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
1003       if (event_id >= 0 && stage_id >= 0) PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &eventInfo));
1004       is_zero = eventInfo->count == 0 ? PETSC_TRUE : PETSC_FALSE;
1005       PetscCall(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPIU_BOOL, MPI_LAND, comm));
1006       if (!is_zero) { PetscCall(PetscViewerASCIIPrintf(viewer, "Stages[\"%s\"][\"%s\"] = {}\n", stage_name, event_name)); }
1007     }
1008   }
1009   PetscCall(PetscMallocGetMaximumUsage(&maxMem));
1010   PetscCall(PetscViewerASCIIPushSynchronized(viewer));
1011   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalTimes[%d] = %g\n", rank, locTotalTime));
1012   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalMessages[%d] = %g\n", rank, (petsc_irecv_ct + petsc_isend_ct + petsc_recv_ct + petsc_send_ct)));
1013   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalMessageLens[%d] = %g\n", rank, (petsc_irecv_len + petsc_isend_len + petsc_recv_len + petsc_send_len)));
1014   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalReductions[%d] = %g\n", rank, numRed));
1015   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalFlop[%d] = %g\n", rank, petsc_TotalFlops));
1016   {
1017     PetscInt num_objects;
1018 
1019     PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, &num_objects, NULL));
1020     PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalObjects[%d] = %d\n", rank, (int)num_objects));
1021   }
1022   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalMemory[%d] = %g\n", rank, maxMem));
1023   PetscCall(PetscViewerFlush(viewer));
1024   for (PetscInt stage = 0; stage < numStages; stage++) {
1025     PetscEventPerfInfo *stage_perf_info = &zero_info;
1026     PetscInt            stage_id;
1027     const char         *stage_name;
1028 
1029     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
1030     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
1031     if (stage_id >= 0) {
1032       PetscStagePerf *stage_info;
1033       PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage_id, &stage_info));
1034       stage_perf_info = &stage_info->perfInfo;
1035     }
1036     PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Stages[\"%s\"][\"summary\"][%d] = {\"time\" : %g, \"numMessages\" : %g, \"messageLength\" : %g, \"numReductions\" : %g, \"flop\" : %g}\n", stage_name, rank, stage_perf_info->time,
1037                                                  stage_perf_info->numMessages, stage_perf_info->messageLength, stage_perf_info->numReductions, stage_perf_info->flops));
1038     for (PetscInt event = 0; event < numEvents; event++) {
1039       PetscEventPerfInfo *eventInfo = &zero_info;
1040       PetscBool           is_zero   = PETSC_FALSE;
1041       PetscInt            event_id;
1042       const char         *event_name;
1043 
1044       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
1045       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
1046       if (event_id >= 0 && stage_id >= 0) PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &eventInfo));
1047       is_zero = eventInfo->count == 0 ? PETSC_TRUE : PETSC_FALSE;
1048       PetscCall(PetscMemcmp(eventInfo, &zero_info, sizeof(zero_info), &is_zero));
1049       PetscCall(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPIU_BOOL, MPI_LAND, comm));
1050       if (!is_zero) {
1051         PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Stages[\"%s\"][\"%s\"][%d] = {\"count\" : %d, \"time\" : %g, \"syncTime\" : %g, \"numMessages\" : %g, \"messageLength\" : %g, \"numReductions\" : %g, \"flop\" : %g", stage_name, event_name, rank,
1052                                                      eventInfo->count, eventInfo->time, eventInfo->syncTime, eventInfo->numMessages, eventInfo->messageLength, eventInfo->numReductions, eventInfo->flops));
1053         if (eventInfo->dof[0] >= 0.) {
1054           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", \"dof\" : ["));
1055           for (PetscInt d = 0; d < 8; ++d) {
1056             if (d > 0) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", "));
1057             PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%g", eventInfo->dof[d]));
1058           }
1059           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "]"));
1060           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", \"error\" : ["));
1061           for (PetscInt e = 0; e < 8; ++e) {
1062             if (e > 0) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", "));
1063             PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%g", eventInfo->errors[e]));
1064           }
1065           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "]"));
1066         }
1067       }
1068       PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "}\n"));
1069     }
1070   }
1071   PetscCall(PetscViewerFlush(viewer));
1072   PetscCall(PetscViewerASCIIPopSynchronized(viewer));
1073   PetscCall(PetscLogGlobalNamesDestroy(&global_events));
1074   PetscCall(PetscLogGlobalNamesDestroy(&global_stages));
1075   PetscFunctionReturn(PETSC_SUCCESS);
1076 }
1077 
1078 /*
1079   PetscLogView_CSV - Each process prints the times for its own events in Comma-Separated Value Format
1080 */
1081 static PetscErrorCode PetscLogHandlerView_Default_CSV(PetscLogHandler handler, PetscViewer viewer)
1082 {
1083   PetscLogDouble      locTotalTime, maxMem;
1084   PetscInt            numStages, numEvents, stage, event;
1085   MPI_Comm            comm = PetscObjectComm((PetscObject)viewer);
1086   PetscMPIInt         rank, size;
1087   PetscLogGlobalNames global_stages, global_events;
1088   PetscLogState       state;
1089   PetscEventPerfInfo  zero_info;
1090 
1091   PetscFunctionBegin;
1092   PetscCall(PetscLogHandlerGetState(handler, &state));
1093   PetscCallMPI(MPI_Comm_size(comm, &size));
1094   PetscCallMPI(MPI_Comm_rank(comm, &rank));
1095   /* Must preserve reduction count before we go on */
1096   /* Get the total elapsed time */
1097   PetscCall(PetscTime(&locTotalTime));
1098   locTotalTime -= petsc_BaseTime;
1099   PetscCall(PetscMallocGetMaximumUsage(&maxMem));
1100   PetscCall(PetscLogRegistryCreateGlobalStageNames(comm, state->registry, &global_stages));
1101   PetscCall(PetscLogRegistryCreateGlobalEventNames(comm, state->registry, &global_events));
1102   PetscCall(PetscLogGlobalNamesGetSize(global_stages, NULL, &numStages));
1103   PetscCall(PetscLogGlobalNamesGetSize(global_events, NULL, &numEvents));
1104   PetscCall(PetscMemzero(&zero_info, sizeof(zero_info)));
1105   PetscCall(PetscViewerASCIIPushSynchronized(viewer));
1106   PetscCall(PetscViewerASCIIPrintf(viewer, "Stage Name,Event Name,Rank,Count,Time,Num Messages,Message Length,Num Reductions,FLOP,dof0,dof1,dof2,dof3,dof4,dof5,dof6,dof7,e0,e1,e2,e3,e4,e5,e6,e7,%d\n", size));
1107   PetscCall(PetscViewerFlush(viewer));
1108   for (stage = 0; stage < numStages; stage++) {
1109     PetscEventPerfInfo *stage_perf_info;
1110     PetscInt            stage_id;
1111     const char         *stage_name;
1112 
1113     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
1114     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
1115     stage_perf_info = &zero_info;
1116     if (stage_id >= 0) {
1117       PetscStagePerf *stage_info;
1118       PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage_id, &stage_info));
1119       stage_perf_info = &stage_info->perfInfo;
1120     }
1121     PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%s,summary,%d,1,%g,%g,%g,%g,%g\n", stage_name, rank, stage_perf_info->time, stage_perf_info->numMessages, stage_perf_info->messageLength, stage_perf_info->numReductions, stage_perf_info->flops));
1122     for (event = 0; event < numEvents; event++) {
1123       PetscEventPerfInfo *eventInfo = &zero_info;
1124       PetscBool           is_zero   = PETSC_FALSE;
1125       PetscInt            event_id;
1126       const char         *event_name;
1127 
1128       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
1129       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
1130       if (event_id >= 0 && stage_id >= 0) PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &eventInfo));
1131       PetscCall(PetscMemcmp(eventInfo, &zero_info, sizeof(zero_info), &is_zero));
1132       PetscCall(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPIU_BOOL, MPI_LAND, comm));
1133       if (!is_zero) {
1134         PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%s,%s,%d,%d,%g,%g,%g,%g,%g", stage_name, event_name, rank, eventInfo->count, eventInfo->time, eventInfo->numMessages, eventInfo->messageLength, eventInfo->numReductions, eventInfo->flops));
1135         if (eventInfo->dof[0] >= 0.) {
1136           for (PetscInt d = 0; d < 8; ++d) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ",%g", eventInfo->dof[d]));
1137           for (PetscInt e = 0; e < 8; ++e) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ",%g", eventInfo->errors[e]));
1138         }
1139       }
1140       PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "\n"));
1141     }
1142   }
1143   PetscCall(PetscViewerFlush(viewer));
1144   PetscCall(PetscViewerASCIIPopSynchronized(viewer));
1145   PetscCall(PetscLogGlobalNamesDestroy(&global_stages));
1146   PetscCall(PetscLogGlobalNamesDestroy(&global_events));
1147   PetscFunctionReturn(PETSC_SUCCESS);
1148 }
1149 
1150 static PetscErrorCode PetscLogViewWarnSync(MPI_Comm comm, FILE *fd)
1151 {
1152   PetscFunctionBegin;
1153   if (!PetscLogSyncOn) PetscFunctionReturn(PETSC_SUCCESS);
1154   PetscCall(PetscFPrintf(comm, fd, "\n\n"));
1155   PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n"));
1156   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1157   PetscCall(PetscFPrintf(comm, fd, "      #                       WARNING!!!                       #\n"));
1158   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1159   PetscCall(PetscFPrintf(comm, fd, "      #   This program was run with logging synchronization.   #\n"));
1160   PetscCall(PetscFPrintf(comm, fd, "      #   This option provides more meaningful imbalance       #\n"));
1161   PetscCall(PetscFPrintf(comm, fd, "      #   figures at the expense of slowing things down and    #\n"));
1162   PetscCall(PetscFPrintf(comm, fd, "      #   providing a distorted view of the overall runtime.   #\n"));
1163   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1164   PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n\n\n"));
1165   PetscFunctionReturn(PETSC_SUCCESS);
1166 }
1167 
1168 static PetscErrorCode PetscLogViewWarnDebugging(MPI_Comm comm, FILE *fd)
1169 {
1170   PetscFunctionBegin;
1171   if (PetscDefined(USE_DEBUG)) {
1172     PetscCall(PetscFPrintf(comm, fd, "\n\n"));
1173     PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n"));
1174     PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1175     PetscCall(PetscFPrintf(comm, fd, "      #                       WARNING!!!                       #\n"));
1176     PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1177     PetscCall(PetscFPrintf(comm, fd, "      #   This code was compiled with a debugging option.      #\n"));
1178     PetscCall(PetscFPrintf(comm, fd, "      #   To get timing results run ./configure                #\n"));
1179     PetscCall(PetscFPrintf(comm, fd, "      #   using --with-debugging=no, the performance will      #\n"));
1180     PetscCall(PetscFPrintf(comm, fd, "      #   be generally two or three times faster.              #\n"));
1181     PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1182     PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n\n\n"));
1183   }
1184   PetscFunctionReturn(PETSC_SUCCESS);
1185 }
1186 
1187 static PetscErrorCode PetscLogViewWarnNoGpuAwareMpi(MPI_Comm comm, FILE *fd)
1188 {
1189 #if defined(PETSC_HAVE_DEVICE)
1190   PetscMPIInt size;
1191   PetscBool   deviceInitialized = PETSC_FALSE;
1192 
1193   PetscFunctionBegin;
1194   PetscCallMPI(MPI_Comm_size(comm, &size));
1195   for (int i = PETSC_DEVICE_HOST + 1; i < PETSC_DEVICE_MAX; ++i) {
1196     const PetscDeviceType dtype = PetscDeviceTypeCast(i);
1197     if (PetscDeviceInitialized(dtype)) { /* a non-host device was initialized */
1198       deviceInitialized = PETSC_TRUE;
1199       break;
1200     }
1201   }
1202   /* the last condition says petsc is configured with device but it is a pure CPU run, so don't print misleading warnings */
1203   if (use_gpu_aware_mpi || size == 1 || !deviceInitialized) PetscFunctionReturn(PETSC_SUCCESS);
1204   PetscCall(PetscFPrintf(comm, fd, "\n\n"));
1205   PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n"));
1206   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1207   PetscCall(PetscFPrintf(comm, fd, "      #                       WARNING!!!                       #\n"));
1208   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1209   PetscCall(PetscFPrintf(comm, fd, "      #   This code was compiled with GPU support and you've   #\n"));
1210   PetscCall(PetscFPrintf(comm, fd, "      #   created PETSc/GPU objects, but you intentionally     #\n"));
1211   PetscCall(PetscFPrintf(comm, fd, "      #   used -use_gpu_aware_mpi 0, requiring PETSc to copy   #\n"));
1212   PetscCall(PetscFPrintf(comm, fd, "      #   additional data between the GPU and CPU. To obtain   #\n"));
1213   PetscCall(PetscFPrintf(comm, fd, "      #   meaningful timing results on multi-rank runs, use    #\n"));
1214   PetscCall(PetscFPrintf(comm, fd, "      #   GPU-aware MPI instead.                               #\n"));
1215   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1216   PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n\n\n"));
1217   PetscFunctionReturn(PETSC_SUCCESS);
1218 #else
1219   return PETSC_SUCCESS;
1220 #endif
1221 }
1222 
1223 static PetscErrorCode PetscLogViewWarnGpuTime(MPI_Comm comm, FILE *fd)
1224 {
1225 #if defined(PETSC_HAVE_DEVICE)
1226 
1227   PetscFunctionBegin;
1228   if (!PetscLogGpuTimeFlag || petsc_gflops == 0) PetscFunctionReturn(PETSC_SUCCESS);
1229   PetscCall(PetscFPrintf(comm, fd, "\n\n"));
1230   PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n"));
1231   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1232   PetscCall(PetscFPrintf(comm, fd, "      #                       WARNING!!!                       #\n"));
1233   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1234   PetscCall(PetscFPrintf(comm, fd, "      #   This code was run with -log_view_gpu_time            #\n"));
1235   PetscCall(PetscFPrintf(comm, fd, "      #   This provides accurate timing within the GPU kernels #\n"));
1236   PetscCall(PetscFPrintf(comm, fd, "      #   but can slow down the entire computation by a        #\n"));
1237   PetscCall(PetscFPrintf(comm, fd, "      #   measurable amount. For fastest runs we recommend     #\n"));
1238   PetscCall(PetscFPrintf(comm, fd, "      #   not using this option.                               #\n"));
1239   PetscCall(PetscFPrintf(comm, fd, "      #                                                        #\n"));
1240   PetscCall(PetscFPrintf(comm, fd, "      ##########################################################\n\n\n"));
1241   PetscFunctionReturn(PETSC_SUCCESS);
1242 #else
1243   return PETSC_SUCCESS;
1244 #endif
1245 }
1246 
1247 static PetscErrorCode PetscLogHandlerView_Default_Info(PetscLogHandler handler, PetscViewer viewer)
1248 {
1249   FILE                   *fd;
1250   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
1251   char                    arch[128], hostname[128], username[128], pname[PETSC_MAX_PATH_LEN], date[128];
1252   PetscLogDouble          locTotalTime, TotalTime, TotalFlops;
1253   PetscLogDouble          numMessages, messageLength, avgMessLen, numReductions;
1254   PetscLogDouble          stageTime, flops, flopr, mem, mess, messLen, red;
1255   PetscLogDouble          fracTime, fracFlops, fracMessages, fracLength, fracReductions, fracMess, fracMessLen, fracRed;
1256   PetscLogDouble          fracStageTime, fracStageFlops, fracStageMess, fracStageMessLen, fracStageRed;
1257   PetscLogDouble          min, max, tot, ratio, avg, x, y;
1258   PetscLogDouble          minf, maxf, totf, ratf, mint, maxt, tott, ratt, ratC, totm, totml, totr, mal, malmax, emalmax;
1259 #if defined(PETSC_HAVE_DEVICE)
1260   PetscLogEvent  KSP_Solve, SNES_Solve, TS_Step, TAO_Solve; /* These need to be fixed to be some events registered with certain objects */
1261   PetscLogDouble cct, gct, csz, gsz, gmaxt, gflops, gflopr, fracgflops;
1262 #endif
1263   PetscMPIInt   minC, maxC;
1264   PetscMPIInt   size, rank;
1265   PetscBool    *localStageUsed, *stageUsed;
1266   PetscBool    *localStageVisible, *stageVisible;
1267   PetscInt      numStages, numEvents;
1268   int           stage, oclass;
1269   PetscLogEvent event;
1270   char          version[256];
1271   MPI_Comm      comm;
1272 #if defined(PETSC_HAVE_DEVICE)
1273   PetscInt64 nas = 0x7FF0000000000002;
1274 #endif
1275   PetscLogGlobalNames global_stages, global_events;
1276   PetscEventPerfInfo  zero_info;
1277   PetscLogState       state;
1278 
1279   PetscFunctionBegin;
1280   PetscCall(PetscLogHandlerGetState(handler, &state));
1281   PetscCall(PetscFPTrapPush(PETSC_FP_TRAP_OFF));
1282   PetscCall(PetscObjectGetComm((PetscObject)viewer, &comm));
1283   PetscCall(PetscViewerASCIIGetPointer(viewer, &fd));
1284   PetscCallMPI(MPI_Comm_size(comm, &size));
1285   PetscCallMPI(MPI_Comm_rank(comm, &rank));
1286   /* Get the total elapsed time */
1287   PetscCall(PetscTime(&locTotalTime));
1288   locTotalTime -= petsc_BaseTime;
1289 
1290   PetscCall(PetscFPrintf(comm, fd, "****************************************************************************************************************************************************************\n"));
1291   PetscCall(PetscFPrintf(comm, fd, "***                                WIDEN YOUR WINDOW TO 160 CHARACTERS.  Use 'enscript -r -fCourier9' to print this document                                 ***\n"));
1292   PetscCall(PetscFPrintf(comm, fd, "****************************************************************************************************************************************************************\n"));
1293   PetscCall(PetscFPrintf(comm, fd, "\n------------------------------------------------------------------ PETSc Performance Summary: ------------------------------------------------------------------\n\n"));
1294   PetscCall(PetscLogViewWarnSync(comm, fd));
1295   PetscCall(PetscLogViewWarnDebugging(comm, fd));
1296   PetscCall(PetscLogViewWarnNoGpuAwareMpi(comm, fd));
1297   PetscCall(PetscLogViewWarnGpuTime(comm, fd));
1298   PetscCall(PetscGetArchType(arch, sizeof(arch)));
1299   PetscCall(PetscGetHostName(hostname, sizeof(hostname)));
1300   PetscCall(PetscGetUserName(username, sizeof(username)));
1301   PetscCall(PetscGetProgramName(pname, sizeof(pname)));
1302   PetscCall(PetscGetDate(date, sizeof(date)));
1303   PetscCall(PetscGetVersion(version, sizeof(version)));
1304   if (size == 1) {
1305     PetscCall(PetscFPrintf(comm, fd, "%s on a %s named %s with %d processor, by %s %s\n", pname, arch, hostname, size, username, date));
1306   } else {
1307     PetscCall(PetscFPrintf(comm, fd, "%s on a %s named %s with %d processors, by %s %s\n", pname, arch, hostname, size, username, date));
1308   }
1309 #if defined(PETSC_HAVE_OPENMP)
1310   PetscCall(PetscFPrintf(comm, fd, "Using %" PetscInt_FMT " OpenMP threads\n", PetscNumOMPThreads));
1311 #endif
1312   PetscCall(PetscFPrintf(comm, fd, "Using %s\n", version));
1313 
1314   /* Must preserve reduction count before we go on */
1315   red = petsc_allreduce_ct + petsc_gather_ct + petsc_scatter_ct;
1316 
1317   /* Calculate summary information */
1318   PetscCall(PetscFPrintf(comm, fd, "\n                         Max       Max/Min     Avg       Total\n"));
1319   /*   Time */
1320   PetscCall(MPIU_Allreduce(&locTotalTime, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1321   PetscCall(MPIU_Allreduce(&locTotalTime, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1322   PetscCall(MPIU_Allreduce(&locTotalTime, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1323   avg = tot / ((PetscLogDouble)size);
1324   if (min != 0.0) ratio = max / min;
1325   else ratio = 0.0;
1326   PetscCall(PetscFPrintf(comm, fd, "Time (sec):           %5.3e   %7.3f   %5.3e\n", max, ratio, avg));
1327   TotalTime = tot;
1328   /*   Objects */
1329   {
1330     PetscInt num_objects;
1331 
1332     PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, &num_objects, NULL));
1333     avg = (PetscLogDouble)num_objects;
1334   }
1335   PetscCall(MPIU_Allreduce(&avg, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1336   PetscCall(MPIU_Allreduce(&avg, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1337   PetscCall(MPIU_Allreduce(&avg, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1338   avg = tot / ((PetscLogDouble)size);
1339   if (min != 0.0) ratio = max / min;
1340   else ratio = 0.0;
1341   PetscCall(PetscFPrintf(comm, fd, "Objects:              %5.3e   %7.3f   %5.3e\n", max, ratio, avg));
1342   /*   Flops */
1343   PetscCall(MPIU_Allreduce(&petsc_TotalFlops, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1344   PetscCall(MPIU_Allreduce(&petsc_TotalFlops, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1345   PetscCall(MPIU_Allreduce(&petsc_TotalFlops, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1346   avg = tot / ((PetscLogDouble)size);
1347   if (min != 0.0) ratio = max / min;
1348   else ratio = 0.0;
1349   PetscCall(PetscFPrintf(comm, fd, "Flops:                %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
1350   TotalFlops = tot;
1351   /*   Flops/sec -- Must talk to Barry here */
1352   if (locTotalTime != 0.0) flops = petsc_TotalFlops / locTotalTime;
1353   else flops = 0.0;
1354   PetscCall(MPIU_Allreduce(&flops, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1355   PetscCall(MPIU_Allreduce(&flops, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1356   PetscCall(MPIU_Allreduce(&flops, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1357   avg = tot / ((PetscLogDouble)size);
1358   if (min != 0.0) ratio = max / min;
1359   else ratio = 0.0;
1360   PetscCall(PetscFPrintf(comm, fd, "Flops/sec:            %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
1361   /*   Memory */
1362   PetscCall(PetscMallocGetMaximumUsage(&mem));
1363   if (mem > 0.0) {
1364     PetscCall(MPIU_Allreduce(&mem, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1365     PetscCall(MPIU_Allreduce(&mem, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1366     PetscCall(MPIU_Allreduce(&mem, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1367     avg = tot / ((PetscLogDouble)size);
1368     if (min != 0.0) ratio = max / min;
1369     else ratio = 0.0;
1370     PetscCall(PetscFPrintf(comm, fd, "Memory (bytes):       %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
1371   }
1372   /*   Messages */
1373   mess = 0.5 * (petsc_irecv_ct + petsc_isend_ct + petsc_recv_ct + petsc_send_ct);
1374   PetscCall(MPIU_Allreduce(&mess, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1375   PetscCall(MPIU_Allreduce(&mess, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1376   PetscCall(MPIU_Allreduce(&mess, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1377   avg = tot / ((PetscLogDouble)size);
1378   if (min != 0.0) ratio = max / min;
1379   else ratio = 0.0;
1380   PetscCall(PetscFPrintf(comm, fd, "MPI Msg Count:        %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
1381   numMessages = tot;
1382   /*   Message Lengths */
1383   mess = 0.5 * (petsc_irecv_len + petsc_isend_len + petsc_recv_len + petsc_send_len);
1384   PetscCall(MPIU_Allreduce(&mess, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1385   PetscCall(MPIU_Allreduce(&mess, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1386   PetscCall(MPIU_Allreduce(&mess, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1387   if (numMessages != 0) avg = tot / numMessages;
1388   else avg = 0.0;
1389   if (min != 0.0) ratio = max / min;
1390   else ratio = 0.0;
1391   PetscCall(PetscFPrintf(comm, fd, "MPI Msg Len (bytes):  %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
1392   messageLength = tot;
1393   /*   Reductions */
1394   PetscCall(MPIU_Allreduce(&red, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1395   PetscCall(MPIU_Allreduce(&red, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1396   PetscCall(MPIU_Allreduce(&red, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1397   if (min != 0.0) ratio = max / min;
1398   else ratio = 0.0;
1399   PetscCall(PetscFPrintf(comm, fd, "MPI Reductions:       %5.3e   %7.3f\n", max, ratio));
1400   numReductions = red; /* wrong because uses count from process zero */
1401   PetscCall(PetscFPrintf(comm, fd, "\nFlop counting convention: 1 flop = 1 real number operation of type (multiply/divide/add/subtract)\n"));
1402   PetscCall(PetscFPrintf(comm, fd, "                            e.g., VecAXPY() for real vectors of length N --> 2N flops\n"));
1403   PetscCall(PetscFPrintf(comm, fd, "                            and VecAXPY() for complex vectors of length N --> 8N flops\n"));
1404 
1405   PetscCall(PetscLogRegistryCreateGlobalStageNames(comm, state->registry, &global_stages));
1406   PetscCall(PetscLogRegistryCreateGlobalEventNames(comm, state->registry, &global_events));
1407   PetscCall(PetscLogGlobalNamesGetSize(global_stages, NULL, &numStages));
1408   PetscCall(PetscLogGlobalNamesGetSize(global_events, NULL, &numEvents));
1409   PetscCall(PetscMemzero(&zero_info, sizeof(zero_info)));
1410   PetscCall(PetscMalloc1(numStages, &localStageUsed));
1411   PetscCall(PetscMalloc1(numStages, &stageUsed));
1412   PetscCall(PetscMalloc1(numStages, &localStageVisible));
1413   PetscCall(PetscMalloc1(numStages, &stageVisible));
1414   if (numStages > 0) {
1415     for (stage = 0; stage < numStages; stage++) {
1416       PetscInt stage_id;
1417 
1418       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
1419       if (stage_id >= 0) {
1420         PetscStagePerf *stage_info;
1421 
1422         PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_info));
1423         localStageUsed[stage]    = stage_info->used;
1424         localStageVisible[stage] = stage_info->perfInfo.visible;
1425       } else {
1426         localStageUsed[stage]    = PETSC_FALSE;
1427         localStageVisible[stage] = PETSC_TRUE;
1428       }
1429     }
1430     PetscCall(MPIU_Allreduce(localStageUsed, stageUsed, numStages, MPIU_BOOL, MPI_LOR, comm));
1431     PetscCall(MPIU_Allreduce(localStageVisible, stageVisible, numStages, MPIU_BOOL, MPI_LAND, comm));
1432     for (stage = 0; stage < numStages; stage++) {
1433       if (stageUsed[stage] && stageVisible[stage]) {
1434         PetscCall(PetscFPrintf(comm, fd, "\nSummary of Stages:   ----- Time ------  ----- Flop ------  --- Messages ---  -- Message Lengths --  -- Reductions --\n"));
1435         PetscCall(PetscFPrintf(comm, fd, "                        Avg     %%Total     Avg     %%Total    Count   %%Total     Avg         %%Total    Count   %%Total\n"));
1436         break;
1437       }
1438     }
1439     for (stage = 0; stage < numStages; stage++) {
1440       PetscInt            stage_id;
1441       PetscEventPerfInfo *stage_info;
1442       const char         *stage_name;
1443 
1444       if (!(stageUsed[stage] && stageVisible[stage])) continue;
1445       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
1446       PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
1447       stage_info = &zero_info;
1448       if (localStageUsed[stage]) {
1449         PetscStagePerf *stage_perf_info;
1450 
1451         PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_perf_info));
1452         stage_info = &stage_perf_info->perfInfo;
1453       }
1454       PetscCall(MPIU_Allreduce(&stage_info->time, &stageTime, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1455       PetscCall(MPIU_Allreduce(&stage_info->flops, &flops, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1456       PetscCall(MPIU_Allreduce(&stage_info->numMessages, &mess, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1457       PetscCall(MPIU_Allreduce(&stage_info->messageLength, &messLen, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1458       PetscCall(MPIU_Allreduce(&stage_info->numReductions, &red, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1459       mess *= 0.5;
1460       messLen *= 0.5;
1461       red /= size;
1462       if (TotalTime != 0.0) fracTime = stageTime / TotalTime;
1463       else fracTime = 0.0;
1464       if (TotalFlops != 0.0) fracFlops = flops / TotalFlops;
1465       else fracFlops = 0.0;
1466       /* Talk to Barry if (stageTime     != 0.0) flops          = (size*flops)/stageTime; else flops          = 0.0; */
1467       if (numMessages != 0.0) fracMessages = mess / numMessages;
1468       else fracMessages = 0.0;
1469       if (mess != 0.0) avgMessLen = messLen / mess;
1470       else avgMessLen = 0.0;
1471       if (messageLength != 0.0) fracLength = messLen / messageLength;
1472       else fracLength = 0.0;
1473       if (numReductions != 0.0) fracReductions = red / numReductions;
1474       else fracReductions = 0.0;
1475       PetscCall(PetscFPrintf(comm, fd, "%2d: %15s: %6.4e %5.1f%%  %6.4e %5.1f%%  %5.3e %5.1f%%  %5.3e      %5.1f%%  %5.3e %5.1f%%\n", stage, stage_name, stageTime / size, 100.0 * fracTime, flops, 100.0 * fracFlops, mess, 100.0 * fracMessages, avgMessLen, 100.0 * fracLength, red, 100.0 * fracReductions));
1476     }
1477   }
1478 
1479   PetscCall(PetscFPrintf(comm, fd, "\n------------------------------------------------------------------------------------------------------------------------\n"));
1480   PetscCall(PetscFPrintf(comm, fd, "See the 'Profiling' chapter of the users' manual for details on interpreting output.\n"));
1481   PetscCall(PetscFPrintf(comm, fd, "Phase summary info:\n"));
1482   PetscCall(PetscFPrintf(comm, fd, "   Count: number of times phase was executed\n"));
1483   PetscCall(PetscFPrintf(comm, fd, "   Time and Flop: Max - maximum over all processors\n"));
1484   PetscCall(PetscFPrintf(comm, fd, "                  Ratio - ratio of maximum to minimum over all processors\n"));
1485   PetscCall(PetscFPrintf(comm, fd, "   Mess: number of messages sent\n"));
1486   PetscCall(PetscFPrintf(comm, fd, "   AvgLen: average message length (bytes)\n"));
1487   PetscCall(PetscFPrintf(comm, fd, "   Reduct: number of global reductions\n"));
1488   PetscCall(PetscFPrintf(comm, fd, "   Global: entire computation\n"));
1489   PetscCall(PetscFPrintf(comm, fd, "   Stage: stages of a computation. Set stages with PetscLogStagePush() and PetscLogStagePop().\n"));
1490   PetscCall(PetscFPrintf(comm, fd, "      %%T - percent time in this phase         %%F - percent flop in this phase\n"));
1491   PetscCall(PetscFPrintf(comm, fd, "      %%M - percent messages in this phase     %%L - percent message lengths in this phase\n"));
1492   PetscCall(PetscFPrintf(comm, fd, "      %%R - percent reductions in this phase\n"));
1493   PetscCall(PetscFPrintf(comm, fd, "   Total Mflop/s: 10e-6 * (sum of flop over all processors)/(max time over all processors)\n"));
1494   if (PetscLogMemory) {
1495     PetscCall(PetscFPrintf(comm, fd, "   Memory usage is summed over all MPI processes, it is given in mega-bytes\n"));
1496     PetscCall(PetscFPrintf(comm, fd, "   Malloc Mbytes: Memory allocated and kept during event (sum over all calls to event). May be negative\n"));
1497     PetscCall(PetscFPrintf(comm, fd, "   EMalloc Mbytes: extra memory allocated during event and then freed (maximum over all calls to events). Never negative\n"));
1498     PetscCall(PetscFPrintf(comm, fd, "   MMalloc Mbytes: Increase in high water mark of allocated memory (sum over all calls to event). Never negative\n"));
1499     PetscCall(PetscFPrintf(comm, fd, "   RMI Mbytes: Increase in resident memory (sum over all calls to event)\n"));
1500   }
1501 #if defined(PETSC_HAVE_DEVICE)
1502   PetscCall(PetscFPrintf(comm, fd, "   GPU Mflop/s: 10e-6 * (sum of flop on GPU over all processors)/(max GPU time over all processors)\n"));
1503   PetscCall(PetscFPrintf(comm, fd, "   CpuToGpu Count: total number of CPU to GPU copies per processor\n"));
1504   PetscCall(PetscFPrintf(comm, fd, "   CpuToGpu Size (Mbytes): 10e-6 * (total size of CPU to GPU copies per processor)\n"));
1505   PetscCall(PetscFPrintf(comm, fd, "   GpuToCpu Count: total number of GPU to CPU copies per processor\n"));
1506   PetscCall(PetscFPrintf(comm, fd, "   GpuToCpu Size (Mbytes): 10e-6 * (total size of GPU to CPU copies per processor)\n"));
1507   PetscCall(PetscFPrintf(comm, fd, "   GPU %%F: percent flops on GPU in this event\n"));
1508 #endif
1509   PetscCall(PetscFPrintf(comm, fd, "------------------------------------------------------------------------------------------------------------------------\n"));
1510 
1511   PetscCall(PetscLogViewWarnDebugging(comm, fd));
1512 
1513   /* Report events */
1514   PetscCall(PetscFPrintf(comm, fd, "Event                Count      Time (sec)     Flop                              --- Global ---  --- Stage ----  Total"));
1515   if (PetscLogMemory) PetscCall(PetscFPrintf(comm, fd, "  Malloc EMalloc MMalloc RMI"));
1516 #if defined(PETSC_HAVE_DEVICE)
1517   PetscCall(PetscFPrintf(comm, fd, "   GPU    - CpuToGpu -   - GpuToCpu - GPU"));
1518 #endif
1519   PetscCall(PetscFPrintf(comm, fd, "\n"));
1520   PetscCall(PetscFPrintf(comm, fd, "                   Max Ratio  Max     Ratio   Max  Ratio  Mess   AvgLen  Reduct  %%T %%F %%M %%L %%R  %%T %%F %%M %%L %%R Mflop/s"));
1521   if (PetscLogMemory) PetscCall(PetscFPrintf(comm, fd, " Mbytes Mbytes Mbytes Mbytes"));
1522 #if defined(PETSC_HAVE_DEVICE)
1523   PetscCall(PetscFPrintf(comm, fd, " Mflop/s Count   Size   Count   Size  %%F"));
1524 #endif
1525   PetscCall(PetscFPrintf(comm, fd, "\n"));
1526   PetscCall(PetscFPrintf(comm, fd, "------------------------------------------------------------------------------------------------------------------------"));
1527   if (PetscLogMemory) PetscCall(PetscFPrintf(comm, fd, "-----------------------------"));
1528 #if defined(PETSC_HAVE_DEVICE)
1529   PetscCall(PetscFPrintf(comm, fd, "---------------------------------------"));
1530 #endif
1531   PetscCall(PetscFPrintf(comm, fd, "\n"));
1532 
1533 #if defined(PETSC_HAVE_DEVICE)
1534   /* this indirect way of accessing these values is needed when PETSc is build with multiple libraries since the symbols are not in libpetscsys */
1535   PetscCall(PetscLogStateGetEventFromName(state, "TaoSolve", &TAO_Solve));
1536   PetscCall(PetscLogStateGetEventFromName(state, "TSStep", &TS_Step));
1537   PetscCall(PetscLogStateGetEventFromName(state, "SNESSolve", &SNES_Solve));
1538   PetscCall(PetscLogStateGetEventFromName(state, "KSPSolve", &KSP_Solve));
1539 #endif
1540 
1541   for (stage = 0; stage < numStages; stage++) {
1542     PetscInt            stage_id;
1543     PetscEventPerfInfo *stage_info;
1544     const char         *stage_name;
1545 
1546     if (!(stageVisible[stage] && stageUsed[stage])) continue;
1547     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
1548     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
1549     PetscCall(PetscFPrintf(comm, fd, "\n--- Event Stage %d: %s\n\n", stage, stage_name));
1550     stage_info = &zero_info;
1551     if (localStageUsed[stage]) {
1552       PetscStagePerf *stage_perf_info;
1553 
1554       PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage_id, &stage_perf_info));
1555       stage_info = &stage_perf_info->perfInfo;
1556     }
1557     PetscCall(MPIU_Allreduce(&stage_info->time, &stageTime, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1558     PetscCall(MPIU_Allreduce(&stage_info->flops, &flops, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1559     PetscCall(MPIU_Allreduce(&stage_info->numMessages, &mess, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1560     PetscCall(MPIU_Allreduce(&stage_info->messageLength, &messLen, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1561     PetscCall(MPIU_Allreduce(&stage_info->numReductions, &red, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1562     mess *= 0.5;
1563     messLen *= 0.5;
1564     red /= size;
1565 
1566     for (event = 0; event < numEvents; event++) {
1567       PetscInt            event_id;
1568       PetscEventPerfInfo *event_info = &zero_info;
1569       PetscBool           is_zero    = PETSC_FALSE;
1570       const char         *event_name;
1571 
1572       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
1573       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
1574       if (event_id >= 0 && stage_id >= 0) { PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &event_info)); }
1575       PetscCall(PetscMemcmp(event_info, &zero_info, sizeof(zero_info), &is_zero));
1576       PetscCall(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPIU_BOOL, MPI_LAND, comm));
1577       if (!is_zero) {
1578         flopr = event_info->flops;
1579         PetscCall(MPIU_Allreduce(&flopr, &minf, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1580         PetscCall(MPIU_Allreduce(&flopr, &maxf, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1581         PetscCall(MPIU_Allreduce(&event_info->flops, &totf, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1582         PetscCall(MPIU_Allreduce(&event_info->time, &mint, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
1583         PetscCall(MPIU_Allreduce(&event_info->time, &maxt, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1584         PetscCall(MPIU_Allreduce(&event_info->time, &tott, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1585         PetscCall(MPIU_Allreduce(&event_info->numMessages, &totm, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1586         PetscCall(MPIU_Allreduce(&event_info->messageLength, &totml, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1587         PetscCall(MPIU_Allreduce(&event_info->numReductions, &totr, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1588         PetscCall(MPIU_Allreduce(&event_info->count, &minC, 1, MPI_INT, MPI_MIN, comm));
1589         PetscCall(MPIU_Allreduce(&event_info->count, &maxC, 1, MPI_INT, MPI_MAX, comm));
1590         if (PetscLogMemory) {
1591           PetscCall(MPIU_Allreduce(&event_info->memIncrease, &mem, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1592           PetscCall(MPIU_Allreduce(&event_info->mallocSpace, &mal, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1593           PetscCall(MPIU_Allreduce(&event_info->mallocIncrease, &malmax, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1594           PetscCall(MPIU_Allreduce(&event_info->mallocIncreaseEvent, &emalmax, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1595         }
1596 #if defined(PETSC_HAVE_DEVICE)
1597         PetscCall(MPIU_Allreduce(&event_info->CpuToGpuCount, &cct, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1598         PetscCall(MPIU_Allreduce(&event_info->GpuToCpuCount, &gct, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1599         PetscCall(MPIU_Allreduce(&event_info->CpuToGpuSize, &csz, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1600         PetscCall(MPIU_Allreduce(&event_info->GpuToCpuSize, &gsz, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1601         PetscCall(MPIU_Allreduce(&event_info->GpuFlops, &gflops, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
1602         PetscCall(MPIU_Allreduce(&event_info->GpuTime, &gmaxt, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
1603 #endif
1604         if (mint < 0.0) {
1605           PetscCall(PetscFPrintf(comm, fd, "WARNING!!! Minimum time %g over all processors for %s is negative! This happens\n on some machines whose times cannot handle too rapid calls.!\n artificially changing minimum to zero.\n", mint, event_name));
1606           mint = 0;
1607         }
1608         PetscCheck(minf >= 0.0, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Minimum flop %g over all processors for %s is negative! Not possible!", minf, event_name);
1609 #if defined(PETSC_HAVE_DEVICE)
1610         /* Put NaN into the time for all events that may not be time accurately since they may happen asynchronously on the GPU */
1611         if (!PetscLogGpuTimeFlag && petsc_gflops > 0) {
1612           memcpy(&gmaxt, &nas, sizeof(PetscLogDouble));
1613           if (event_id != SNES_Solve && event_id != KSP_Solve && event_id != TS_Step && event_id != TAO_Solve) {
1614             memcpy(&mint, &nas, sizeof(PetscLogDouble));
1615             memcpy(&maxt, &nas, sizeof(PetscLogDouble));
1616           }
1617         }
1618 #endif
1619         totm *= 0.5;
1620         totml *= 0.5;
1621         totr /= size;
1622 
1623         if (maxC != 0) {
1624           if (minC != 0) ratC = ((PetscLogDouble)maxC) / minC;
1625           else ratC = 0.0;
1626           if (mint != 0.0) ratt = maxt / mint;
1627           else ratt = 0.0;
1628           if (minf != 0.0) ratf = maxf / minf;
1629           else ratf = 0.0;
1630           if (TotalTime != 0.0) fracTime = tott / TotalTime;
1631           else fracTime = 0.0;
1632           if (TotalFlops != 0.0) fracFlops = totf / TotalFlops;
1633           else fracFlops = 0.0;
1634           if (stageTime != 0.0) fracStageTime = tott / stageTime;
1635           else fracStageTime = 0.0;
1636           if (flops != 0.0) fracStageFlops = totf / flops;
1637           else fracStageFlops = 0.0;
1638           if (numMessages != 0.0) fracMess = totm / numMessages;
1639           else fracMess = 0.0;
1640           if (messageLength != 0.0) fracMessLen = totml / messageLength;
1641           else fracMessLen = 0.0;
1642           if (numReductions != 0.0) fracRed = totr / numReductions;
1643           else fracRed = 0.0;
1644           if (mess != 0.0) fracStageMess = totm / mess;
1645           else fracStageMess = 0.0;
1646           if (messLen != 0.0) fracStageMessLen = totml / messLen;
1647           else fracStageMessLen = 0.0;
1648           if (red != 0.0) fracStageRed = totr / red;
1649           else fracStageRed = 0.0;
1650           if (totm != 0.0) totml /= totm;
1651           else totml = 0.0;
1652           if (maxt != 0.0) flopr = totf / maxt;
1653           else flopr = 0.0;
1654           if (fracStageTime > 1.0 || fracStageFlops > 1.0 || fracStageMess > 1.0 || fracStageMessLen > 1.0 || fracStageRed > 1.0)
1655             PetscCall(PetscFPrintf(comm, fd, "%-16s %7d %3.1f %5.4e %3.1f %3.2e %3.1f %2.1e %2.1e %2.1e %2.0f %2.0f %2.0f %2.0f %2.0f Multiple stages %5.0f", event_name, maxC, ratC, maxt, ratt, maxf, ratf, totm, totml, totr, 100.0 * fracTime, 100.0 * fracFlops, 100.0 * fracMess, 100.0 * fracMessLen, 100.0 * fracRed, PetscAbs(flopr) / 1.0e6));
1656           else
1657             PetscCall(PetscFPrintf(comm, fd, "%-16s %7d %3.1f %5.4e %3.1f %3.2e %3.1f %2.1e %2.1e %2.1e %2.0f %2.0f %2.0f %2.0f %2.0f %3.0f %2.0f %2.0f %2.0f %2.0f %5.0f", event_name, maxC, ratC, maxt, ratt, maxf, ratf, totm, totml, totr, 100.0 * fracTime, 100.0 * fracFlops, 100.0 * fracMess, 100.0 * fracMessLen, 100.0 * fracRed, 100.0 * fracStageTime, 100.0 * fracStageFlops, 100.0 * fracStageMess, 100.0 * fracStageMessLen, 100.0 * fracStageRed, PetscAbs(flopr) / 1.0e6));
1658           if (PetscLogMemory) PetscCall(PetscFPrintf(comm, fd, " %5.0f   %5.0f   %5.0f   %5.0f", mal / 1.0e6, emalmax / 1.0e6, malmax / 1.0e6, mem / 1.0e6));
1659 #if defined(PETSC_HAVE_DEVICE)
1660           if (totf != 0.0) fracgflops = gflops / totf;
1661           else fracgflops = 0.0;
1662           if (gmaxt != 0.0) gflopr = gflops / gmaxt;
1663           else gflopr = 0.0;
1664           PetscCall(PetscFPrintf(comm, fd, "   %5.0f   %4.0f %3.2e %4.0f %3.2e % 2.0f", PetscAbs(gflopr) / 1.0e6, cct / size, csz / (1.0e6 * size), gct / size, gsz / (1.0e6 * size), 100.0 * fracgflops));
1665 #endif
1666           PetscCall(PetscFPrintf(comm, fd, "\n"));
1667         }
1668       }
1669     }
1670   }
1671 
1672   /* Memory usage and object creation */
1673   PetscCall(PetscFPrintf(comm, fd, "------------------------------------------------------------------------------------------------------------------------"));
1674   if (PetscLogMemory) PetscCall(PetscFPrintf(comm, fd, "-----------------------------"));
1675 #if defined(PETSC_HAVE_DEVICE)
1676   PetscCall(PetscFPrintf(comm, fd, "---------------------------------------"));
1677 #endif
1678   PetscCall(PetscFPrintf(comm, fd, "\n"));
1679   PetscCall(PetscFPrintf(comm, fd, "\n"));
1680 
1681   /* Right now, only stages on the first processor are reported here, meaning only objects associated with
1682      the global communicator, or MPI_COMM_SELF for proc 1. We really should report global stats and then
1683      stats for stages local to processor sets.
1684   */
1685   /* We should figure out the longest object name here (now 20 characters) */
1686   PetscCall(PetscFPrintf(comm, fd, "Object Type          Creations   Destructions. Reports information only for process 0.\n"));
1687   for (stage = 0; stage < numStages; stage++) {
1688     const char *stage_name;
1689 
1690     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
1691     PetscCall(PetscFPrintf(comm, fd, "\n--- Event Stage %d: %s\n\n", stage, stage_name));
1692     if (localStageUsed[stage]) {
1693       PetscInt num_classes;
1694 
1695       PetscCall(PetscLogStateGetNumClasses(state, &num_classes));
1696       for (oclass = 0; oclass < num_classes; oclass++) {
1697         PetscClassPerf *class_perf_info;
1698 
1699         PetscCall(PetscLogHandlerDefaultGetClassPerf(handler, stage, oclass, &class_perf_info));
1700         if ((class_perf_info->creations > 0) || (class_perf_info->destructions > 0)) {
1701           PetscLogClassInfo class_reg_info;
1702           PetscBool         flg;
1703 
1704           PetscCall(PetscLogStateClassGetInfo(state, oclass, &class_reg_info));
1705           if (stage == 0 && oclass == num_classes - 1) {
1706             PetscCall(PetscStrcmp(class_reg_info.name, "Viewer", &flg));
1707             PetscCheck(flg && class_perf_info->creations == 1 && class_perf_info->destructions == 0, PETSC_COMM_SELF, PETSC_ERR_PLIB, "The last PetscObject type of the main PetscLogStage should be PetscViewer with a single creation and no destruction");
1708           } else PetscCall(PetscFPrintf(comm, fd, "%20s %5d          %5d\n", class_reg_info.name, class_perf_info->creations, class_perf_info->destructions));
1709         }
1710       }
1711     }
1712   }
1713 
1714   PetscCall(PetscFree(localStageUsed));
1715   PetscCall(PetscFree(stageUsed));
1716   PetscCall(PetscFree(localStageVisible));
1717   PetscCall(PetscFree(stageVisible));
1718   PetscCall(PetscLogGlobalNamesDestroy(&global_stages));
1719   PetscCall(PetscLogGlobalNamesDestroy(&global_events));
1720 
1721   /* Information unrelated to this particular run */
1722   PetscCall(PetscFPrintf(comm, fd, "========================================================================================================================\n"));
1723   PetscCall(PetscTime(&y));
1724   PetscCall(PetscTime(&x));
1725   PetscCall(PetscTime(&y));
1726   PetscCall(PetscTime(&y));
1727   PetscCall(PetscTime(&y));
1728   PetscCall(PetscTime(&y));
1729   PetscCall(PetscTime(&y));
1730   PetscCall(PetscTime(&y));
1731   PetscCall(PetscTime(&y));
1732   PetscCall(PetscTime(&y));
1733   PetscCall(PetscTime(&y));
1734   PetscCall(PetscTime(&y));
1735   PetscCall(PetscFPrintf(comm, fd, "Average time to get PetscTime(): %g\n", (y - x) / 10.0));
1736   /* MPI information */
1737   if (size > 1) {
1738     MPI_Status  status;
1739     PetscMPIInt tag;
1740     MPI_Comm    newcomm;
1741 
1742     PetscCallMPI(MPI_Barrier(comm));
1743     PetscCall(PetscTime(&x));
1744     PetscCallMPI(MPI_Barrier(comm));
1745     PetscCallMPI(MPI_Barrier(comm));
1746     PetscCallMPI(MPI_Barrier(comm));
1747     PetscCallMPI(MPI_Barrier(comm));
1748     PetscCallMPI(MPI_Barrier(comm));
1749     PetscCall(PetscTime(&y));
1750     PetscCall(PetscFPrintf(comm, fd, "Average time for MPI_Barrier(): %g\n", (y - x) / 5.0));
1751     PetscCall(PetscCommDuplicate(comm, &newcomm, &tag));
1752     PetscCallMPI(MPI_Barrier(comm));
1753     if (rank) {
1754       PetscCallMPI(MPI_Recv(NULL, 0, MPI_INT, rank - 1, tag, newcomm, &status));
1755       PetscCallMPI(MPI_Send(NULL, 0, MPI_INT, (rank + 1) % size, tag, newcomm));
1756     } else {
1757       PetscCall(PetscTime(&x));
1758       PetscCallMPI(MPI_Send(NULL, 0, MPI_INT, 1, tag, newcomm));
1759       PetscCallMPI(MPI_Recv(NULL, 0, MPI_INT, size - 1, tag, newcomm, &status));
1760       PetscCall(PetscTime(&y));
1761       PetscCall(PetscFPrintf(comm, fd, "Average time for zero size MPI_Send(): %g\n", (y - x) / size));
1762     }
1763     PetscCall(PetscCommDestroy(&newcomm));
1764   }
1765   PetscCall(PetscOptionsView(NULL, viewer));
1766 
1767   /* Machine and compile information */
1768   if (PetscDefined(USE_FORTRAN_KERNELS)) {
1769     PetscCall(PetscFPrintf(comm, fd, "Compiled with FORTRAN kernels\n"));
1770   } else {
1771     PetscCall(PetscFPrintf(comm, fd, "Compiled without FORTRAN kernels\n"));
1772   }
1773   if (PetscDefined(USE_64BIT_INDICES)) {
1774     PetscCall(PetscFPrintf(comm, fd, "Compiled with 64-bit PetscInt\n"));
1775   } else if (PetscDefined(USE___FLOAT128)) {
1776     PetscCall(PetscFPrintf(comm, fd, "Compiled with 32-bit PetscInt\n"));
1777   }
1778   if (PetscDefined(USE_REAL_SINGLE)) {
1779     PetscCall(PetscFPrintf(comm, fd, "Compiled with single precision PetscScalar and PetscReal\n"));
1780   } else if (PetscDefined(USE___FLOAT128)) {
1781     PetscCall(PetscFPrintf(comm, fd, "Compiled with 128 bit precision PetscScalar and PetscReal\n"));
1782   }
1783   if (PetscDefined(USE_REAL_MAT_SINGLE)) {
1784     PetscCall(PetscFPrintf(comm, fd, "Compiled with single precision matrices\n"));
1785   } else {
1786     PetscCall(PetscFPrintf(comm, fd, "Compiled with full precision matrices (default)\n"));
1787   }
1788   PetscCall(PetscFPrintf(comm, fd, "sizeof(short) %d sizeof(int) %d sizeof(long) %d sizeof(void*) %d sizeof(PetscScalar) %d sizeof(PetscInt) %d\n", (int)sizeof(short), (int)sizeof(int), (int)sizeof(long), (int)sizeof(void *), (int)sizeof(PetscScalar), (int)sizeof(PetscInt)));
1789 
1790   PetscCall(PetscFPrintf(comm, fd, "Configure options: %s", petscconfigureoptions));
1791   PetscCall(PetscFPrintf(comm, fd, "%s", petscmachineinfo));
1792   PetscCall(PetscFPrintf(comm, fd, "%s", petsccompilerinfo));
1793   PetscCall(PetscFPrintf(comm, fd, "%s", petsccompilerflagsinfo));
1794   PetscCall(PetscFPrintf(comm, fd, "%s", petsclinkerinfo));
1795 
1796   /* Cleanup */
1797   PetscCall(PetscFPrintf(comm, fd, "\n"));
1798   PetscCall(PetscLogViewWarnNoGpuAwareMpi(comm, fd));
1799   PetscCall(PetscLogViewWarnDebugging(comm, fd));
1800   PetscCall(PetscFPTrapPop());
1801   PetscFunctionReturn(PETSC_SUCCESS);
1802 }
1803 
1804 static PetscErrorCode PetscLogHandlerView_Default(PetscLogHandler handler, PetscViewer viewer)
1805 {
1806   PetscViewerFormat format;
1807 
1808   PetscFunctionBegin;
1809   PetscCall(PetscViewerGetFormat(viewer, &format));
1810   if (format == PETSC_VIEWER_DEFAULT || format == PETSC_VIEWER_ASCII_INFO) {
1811     PetscCall(PetscLogHandlerView_Default_Info(handler, viewer));
1812   } else if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) {
1813     PetscCall(PetscLogHandlerView_Default_Detailed(handler, viewer));
1814   } else if (format == PETSC_VIEWER_ASCII_CSV) {
1815     PetscCall(PetscLogHandlerView_Default_CSV(handler, viewer));
1816   }
1817   PetscFunctionReturn(PETSC_SUCCESS);
1818 }
1819 
1820 /*MC
1821   PETSCLOGHANDLERDEFAULT - PETSCLOGHANDLERDEFAULT = "default" -  A `PetscLogHandler` that collects data for PETSc
1822   default profiling log viewers (`PetscLogView()` and `PetscLogDump()`).  A log handler of this type is
1823   created and started (`PetscLogHandlerStart()`) by `PetscLogDefaultBegin()`.
1824 
1825   Options Database Keys:
1826 + -log_include_actions - include a growing list of actions (event beginnings and endings, object creations and destructions) in `PetscLogDump()` (`PetscLogActions()`).
1827 - -log_include_objects - include a growing list of object creations and destructions in `PetscLogDump()` (`PetscLogObjects()`).
1828 
1829   Level: developer
1830 
1831 .seealso: [](ch_profiling), `PetscLogHandler`
1832 M*/
1833 
1834 PETSC_INTERN PetscErrorCode PetscLogHandlerCreate_Default(PetscLogHandler handler)
1835 {
1836   PetscFunctionBegin;
1837   PetscCall(PetscLogHandlerContextCreate_Default((PetscLogHandler_Default *)&handler->data));
1838   handler->ops->destroy       = PetscLogHandlerDestroy_Default;
1839   handler->ops->eventbegin    = PetscLogHandlerEventBegin_Default;
1840   handler->ops->eventend      = PetscLogHandlerEventEnd_Default;
1841   handler->ops->eventsync     = PetscLogHandlerEventSync_Default;
1842   handler->ops->objectcreate  = PetscLogHandlerObjectCreate_Default;
1843   handler->ops->objectdestroy = PetscLogHandlerObjectDestroy_Default;
1844   handler->ops->stagepush     = PetscLogHandlerStagePush_Default;
1845   handler->ops->stagepop      = PetscLogHandlerStagePop_Default;
1846   handler->ops->view          = PetscLogHandlerView_Default;
1847   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerGetEventPerfInfo_C", PetscLogHandlerGetEventPerfInfo_Default));
1848   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerGetStagePerfInfo_C", PetscLogHandlerGetStagePerfInfo_Default));
1849   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerSetLogActions_C", PetscLogHandlerSetLogActions_Default));
1850   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerSetLogObjects_C", PetscLogHandlerSetLogObjects_Default));
1851   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerLogObjectState_C", PetscLogHandlerLogObjectState_Default));
1852   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerGetNumObjects_C", PetscLogHandlerGetNumObjects_Default));
1853   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventDeactivatePush_C", PetscLogHandlerEventDeactivatePush_Default));
1854   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventDeactivatePop_C", PetscLogHandlerEventDeactivatePop_Default));
1855   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventsPause_C", PetscLogHandlerEventsPause_Default));
1856   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventsResume_C", PetscLogHandlerEventsResume_Default));
1857   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerDump_C", PetscLogHandlerDump_Default));
1858   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerStageSetVisible_C", PetscLogHandlerStageSetVisible_Default));
1859   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerStageGetVisible_C", PetscLogHandlerStageGetVisible_Default));
1860   PetscFunctionReturn(PETSC_SUCCESS);
1861 }
1862