1 2 static char help[] = "Tests nested events.\n\n"; 3 4 #include <petscsys.h> 5 6 int main(int argc,char **argv) 7 { 8 int event1,event2,event3; 9 PetscErrorCode ierr; 10 11 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 12 ierr = PetscLogEventRegister("Event2",0,&event2);CHKERRQ(ierr); 13 ierr = PetscLogEventRegister("Event1",0,&event1);CHKERRQ(ierr); 14 ierr = PetscLogEventRegister("Event3",0,&event3);CHKERRQ(ierr); 15 16 ierr = PetscLogEventBegin(event1,0,0,0,0);CHKERRQ(ierr); 17 ierr = PetscSleep(1.0);CHKERRQ(ierr); 18 ierr = PetscLogEventBegin(event2,0,0,0,0);CHKERRQ(ierr); 19 ierr = PetscSleep(1.0);CHKERRQ(ierr); 20 ierr = PetscLogEventBegin(event3,0,0,0,0);CHKERRQ(ierr); 21 ierr = PetscSleep(1.0);CHKERRQ(ierr); 22 ierr = PetscLogEventEnd(event3,0,0,0,0);CHKERRQ(ierr); 23 ierr = PetscLogEventEnd(event2,0,0,0,0);CHKERRQ(ierr); 24 ierr = PetscLogEventEnd(event1,0,0,0,0);CHKERRQ(ierr); 25 ierr = PetscFinalize(); 26 return ierr; 27 } 28 29