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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2012-10-02 15:41:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-10-05 13:59:07 +0200 |
| commit | 95cf59ea72331d0093010543b8951bb43f262cac (patch) | |
| tree | 7d0bc786d071b50217040691c4e1ab5a6ff73296 /kernel/trace/ring_buffer.c | |
| parent | 3f1f33206c16c7b3839d71372bc2ac3f305aa802 (diff) | |
perf: Fix perf_cgroup_switch for sw-events
Jiri reported that he could trigger the WARN_ON_ONCE() in
perf_cgroup_switch() using sw-events. This is because sw-events share
a cpuctx with multiple PMUs.
Use the ->unique_pmu pointer to limit the pmu iteration to unique
cpuctx instances.
Reported-and-Tested-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-so7wi2zf3jjzrwcutm2mkz0j@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
0 files changed, 0 insertions, 0 deletions