1 #include <petscsys.h> 2 #include <petsctime.h> 3 4 int main(int argc,char **argv) 5 { 6 PetscLogDouble x,y; 7 PetscLogEvent e1; 8 PetscBool flg; 9 10 PetscCall(PetscInitialize(&argc,&argv,0,0)); 11 PetscLogEventRegister("*DummyEvent",0,&e1); 12 /* To take care of the paging effects */ 13 PetscCall(PetscTime(&x)); 14 PetscCall(PetscLogEventBegin(e1,&x,0,0,0)); 15 PetscCall(PetscLogEventEnd(e1,&x,0,0,0)); 16 17 PetscCall(PetscTime(&x)); 18 /* 10 Occurrences of the dummy event */ 19 PetscCall(PetscLogEventBegin(e1,&x,0,0,0)); 20 PetscCall(PetscLogEventEnd(e1,&x,0,0,0)); 21 PetscCall(PetscLogEventBegin(e1,&x,&y,0,0)); 22 PetscCall(PetscLogEventEnd(e1,&x,&y,0,0)); 23 PetscCall(PetscLogEventBegin(e1,&y,0,0,0)); 24 PetscCall(PetscLogEventEnd(e1,&y,0,0,0)); 25 PetscCall(PetscLogEventBegin(e1,&x,0,0,0)); 26 PetscCall(PetscLogEventEnd(e1,&x,0,0,0)); 27 PetscCall(PetscLogEventBegin(e1,&x,&y,0,0)); 28 PetscCall(PetscLogEventEnd(e1,&x,&y,0,0)); 29 PetscCall(PetscLogEventBegin(e1,&y,0,0,0)); 30 PetscCall(PetscLogEventEnd(e1,&y,0,0,0)); 31 PetscCall(PetscLogEventBegin(e1,&x,0,0,0)); 32 PetscCall(PetscLogEventEnd(e1,&x,0,0,0)); 33 PetscCall(PetscLogEventBegin(e1,&x,&y,0,0)); 34 PetscCall(PetscLogEventEnd(e1,&x,&y,0,0)); 35 PetscCall(PetscLogEventBegin(e1,&y,0,0,0)); 36 PetscCall(PetscLogEventEnd(e1,&y,0,0,0)); 37 PetscCall(PetscLogEventBegin(e1,&x,&e1,0,0)); 38 PetscCall(PetscLogEventEnd(e1,&x,&e1,0,0)); 39 40 PetscCall(PetscTime(&y)); 41 fprintf(stderr,"%-15s : %e sec, with options : ","PetscLogEvent",(y-x)/10.0); 42 43 PetscCall(PetscOptionsHasName(NULL,"-log",&flg)); 44 if (flg) fprintf(stderr,"-log "); 45 PetscCall(PetscOptionsHasName(NULL,"-log_all",&flg)); 46 if (flg) fprintf(stderr,"-log_all "); 47 PetscCall(PetscOptionsHasName(NULL,"-log_view",&flg)); 48 if (flg) fprintf(stderr,"-log_view "); 49 PetscCall(PetscOptionsHasName(NULL,"-log_mpe",&flg)); 50 if (flg) fprintf(stderr,"-log_mpe "); 51 52 fprintf(stderr,"\n"); 53 54 PetscCall(PetscFinalize()); 55 return 0; 56 } 57