Actual source code: PLogEvent.c

 2:  #include petsc.h

  6: int main(int argc,char **argv)
  7: {
  8:   PetscLogDouble x,y;
  9:   int        e1,ierr;
 10:   PetscTruth flg;

 12:   PetscInitialize(&argc,&argv,0,0);
 13:   PetscLogEventRegister(&e1,"*DummyEvent",0);
 14:   /* To take care of the paging effects */
 15:   PetscGetTime(&x);
 16:   PetscLogEventBegin(e1,&x,0,0,0);
 17:   PetscLogEventEnd(e1,&x,0,0,0);

 19:   PetscGetTime(&x);
 20:   /* 10 Occurences of the dummy event */
 21:   PetscLogEventBegin(e1,&x,0,0,0);
 22:   PetscLogEventEnd(e1,&x,0,0,0);
 23:   PetscLogEventBegin(e1,&x,&y,0,0);
 24:   PetscLogEventEnd(e1,&x,&y,0,0);
 25:   PetscLogEventBegin(e1,&y,0,0,0);
 26:   PetscLogEventEnd(e1,&y,0,0,0);
 27:   PetscLogEventBegin(e1,&x,0,0,0);
 28:   PetscLogEventEnd(e1,&x,0,0,0);
 29:   PetscLogEventBegin(e1,&x,&y,0,0);
 30:   PetscLogEventEnd(e1,&x,&y,0,0);
 31:   PetscLogEventBegin(e1,&y,0,0,0);
 32:   PetscLogEventEnd(e1,&y,0,0,0);
 33:   PetscLogEventBegin(e1,&x,0,0,0);
 34:   PetscLogEventEnd(e1,&x,0,0,0);
 35:   PetscLogEventBegin(e1,&x,&y,0,0);
 36:   PetscLogEventEnd(e1,&x,&y,0,0);
 37:   PetscLogEventBegin(e1,&y,0,0,0);
 38:   PetscLogEventEnd(e1,&y,0,0,0);
 39:   PetscLogEventBegin(e1,&x,&e1,0,0);
 40:   PetscLogEventEnd(e1,&x,&e1,0,0);

 42:   PetscGetTime(&y);
 43:   fprintf(stderr,"%-15s : %e sec, with options : ","PetscLogEvent",(y-x)/10.0);

 45:   if(PetscOptionsHasName(PETSC_NULL,"-log",&flg),flg) fprintf(stderr,"-log ");
 46:   if(PetscOptionsHasName(PETSC_NULL,"-log_all",&flg),flg) fprintf(stderr,"-log_all ");
 47:   if(PetscOptionsHasName(PETSC_NULL,"-log_summary",&flg),flg) fprintf(stderr,"-log_summary ");
 48:   if(PetscOptionsHasName(PETSC_NULL,"-log_mpe",&flg),flg) fprintf(stderr,"-log_mpe ");
 49: 
 50:   fprintf(stderr,"\n");

 52:   PetscFinalize();
 53:   return(0);
 54: }