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author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2015-11-18 15:40:24 +0900 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-11-19 13:19:19 -0300 |
commit | ebe9729c8c3171aa46ad5d7af40acdc29806689d (patch) | |
tree | 1f118e944c8deee350a5c53059a30260aec511f2 | |
parent | e96e4078e9a5ea150b3ad9a296440a7976439e4a (diff) | |
download | op-kernel-dev-ebe9729c8c3171aa46ad5d7af40acdc29806689d.zip op-kernel-dev-ebe9729c8c3171aa46ad5d7af40acdc29806689d.tar.gz |
perf machine: Fix to destroy kernel maps when machine exits
Actually machine__exit forgot to call machine__destroy_kernel_maps.
This fixes some memory leaks on map as below.
Without this fix.
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./perf probe vfs_read
Added new event:
probe:vfs_read (on vfs_read)
You can now use it in all perf tools, such as:
perf record -e probe:vfs_read -aR sleep 1
REFCNT: BUG: Unreclaimed objects found.
REFCNT: Total 4 objects are not reclaimed.
To see all backtraces, rerun with -v option
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With this fix.
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./perf probe vfs_read
Added new event:
probe:vfs_read (on vfs_read)
You can now use it in all perf tools, such as:
perf record -e probe:vfs_read -aR sleep 1
REFCNT: BUG: Unreclaimed objects found.
REFCNT: Total 2 objects are not reclaimed.
To see all backtraces, rerun with -v option
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Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20151118064024.30709.43577.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r-- | tools/perf/util/machine.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index e9e09be..a358771 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -122,6 +122,7 @@ void machine__delete_threads(struct machine *machine) void machine__exit(struct machine *machine) { + machine__destroy_kernel_maps(machine); map_groups__exit(&machine->kmaps); dsos__exit(&machine->dsos); machine__exit_vdso(machine); |