1 2 #include <petscsys.h> 3 #include <petsctime.h> 4 5 #undef __FUNCT__ 6 #define __FUNCT__ "main" 7 int main(int argc,char **argv) 8 { 9 PetscLogDouble x,y; 10 PetscLogEvent e1; 11 PetscErrorCode ierr; 12 PetscBool flg; 13 14 PetscInitialize(&argc,&argv,0,0); 15 PetscLogEventRegister("*DummyEvent",0,&e1); 16 /* To take care of the paging effects */ 17 ierr = PetscTime(&x);CHKERRQ(ierr); 18 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 19 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 20 21 ierr = PetscTime(&x);CHKERRQ(ierr); 22 /* 10 Occurences of the dummy event */ 23 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 24 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 25 ierr = PetscLogEventBegin(e1,&x,&y,0,0);CHKERRQ(ierr); 26 ierr = PetscLogEventEnd(e1,&x,&y,0,0);CHKERRQ(ierr); 27 ierr = PetscLogEventBegin(e1,&y,0,0,0);CHKERRQ(ierr); 28 ierr = PetscLogEventEnd(e1,&y,0,0,0);CHKERRQ(ierr); 29 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 30 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 31 ierr = PetscLogEventBegin(e1,&x,&y,0,0);CHKERRQ(ierr); 32 ierr = PetscLogEventEnd(e1,&x,&y,0,0);CHKERRQ(ierr); 33 ierr = PetscLogEventBegin(e1,&y,0,0,0);CHKERRQ(ierr); 34 ierr = PetscLogEventEnd(e1,&y,0,0,0);CHKERRQ(ierr); 35 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 36 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 37 ierr = PetscLogEventBegin(e1,&x,&y,0,0);CHKERRQ(ierr); 38 ierr = PetscLogEventEnd(e1,&x,&y,0,0);CHKERRQ(ierr); 39 ierr = PetscLogEventBegin(e1,&y,0,0,0);CHKERRQ(ierr); 40 ierr = PetscLogEventEnd(e1,&y,0,0,0);CHKERRQ(ierr); 41 ierr = PetscLogEventBegin(e1,&x,&e1,0,0);CHKERRQ(ierr); 42 ierr = PetscLogEventEnd(e1,&x,&e1,0,0);CHKERRQ(ierr); 43 44 ierr = PetscTime(&y);CHKERRQ(ierr); 45 fprintf(stderr,"%-15s : %e sec, with options : ","PetscLogEvent",(y-x)/10.0); 46 47 ierr = PetscOptionsHasName(NULL,"-log",&flg);CHKERRQ(ierr); 48 if (flg) fprintf(stderr,"-log "); 49 ierr = PetscOptionsHasName(NULL,"-log_all",&flg);CHKERRQ(ierr); 50 if (flg) fprintf(stderr,"-log_all "); 51 ierr = PetscOptionsHasName(NULL,"-log_summary",&flg);CHKERRQ(ierr); 52 if (flg) fprintf(stderr,"-log_summary "); 53 ierr = PetscOptionsHasName(NULL,"-log_mpe",&flg);CHKERRQ(ierr); 54 if (flg) fprintf(stderr,"-log_mpe "); 55 56 fprintf(stderr,"\n"); 57 58 ierr = PetscFinalize(); 59 PetscFunctionReturn(0); 60 } 61