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