Activates trace logging. Every time a PETSc event begins or ends, the event name is printed.
PetscErrorCode PetscLogTraceBegin(FILE *file)
Logically Collective on PETSC_COMM_WORLD
file -The file to print trace in (e.g. stdout)
Options Database Key
-log_trace [filename] -Activates PetscLogTraceBegin()
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.
PetscLogDump(), PetscLogAllBegin(), PetscLogView(), PetscLogDefaultBegin()
Index of all Profiling routines
Table of Contents for all manual pages
Index of all manual pages