PetscMallocViewSet#

Activates logging of all calls to PetscMalloc() with a minimum size to view

Synopsis#

#include "petscsys.h" 
PetscErrorCode PetscMallocViewSet(PetscLogDouble logmin)

Not Collective

Input Parameter#

  • logmin - minimum allocation size to log, or PETSC_DEFAULT to log all memory allocations

Options Database Keys#

  • -malloc_view - Activates PetscMallocView() in PetscFinalize()

  • -malloc_view_threshold - Sets a minimum size if -malloc_view is used

  • -log_view_memory - view the memory usage also with the -log_view option

Note#

Must be called after PetscMallocSetDebug()

Developer Note#

Uses MPI_COMM_WORLD to determine rank because PETSc communicators may not be available

See Also#

PetscMallocViewGet(), PetscMallocDump(), PetscMallocView(), PetscMallocTraceSet(), PetscMallocValidate(), PetscMalloc(), PetscFree()

Level#

advanced

Location#

src/sys/memory/mtr.c

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