PetscLogTraceBegin#

Begins trace logging. Every time a PETSc event begins or ends, the event name is printed.

Synopsis#

#include "petscsys.h"   
PetscErrorCode PetscLogTraceBegin(FILE *file)

Logically Collective on PETSC_COMM_WORLD

Input Parameter#

  • file - The file to print trace in (e.g. stdout)

Options Database Key#

Notes#

PetscLogTraceBegin() prints the processor number, the execution time (sec), then “Event begin:” or “Event end:” followed by the event name.

PetscLogTraceBegin() allows tracing of all PETSc calls, which is useful to determine where a program is hanging without running in the debugger. Can be used in conjunction with the -info option.

See Also#

Profiling, PetscLogDump(), PetscLogView(), PetscLogDefaultBegin()

Level#

intermediate

Location#

src/sys/logging/plog.c


Index of all Profiling routines
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Index of all manual pages