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| author |   Peter Zijlstra <a.p.zijlstra@chello.nl> | 2011-11-20 23:30:47 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2011-12-21 11:01:11 +0100 |
| commit | 0c9d42ed4cee2aa1dfc3a260b741baae8615744f (patch) | |
| tree | 393a3a3d0be5cbd57e1d03490b3f6a5a15d5367d /include/linux/perf_event.h | |
| parent | perf, x86: Implement user-space RDPMC support, to allow fast, user-space access to self-monitoring counters (diff) | |
| download | linux-dev-0c9d42ed4cee2aa1dfc3a260b741baae8615744f.tar.xz linux-dev-0c9d42ed4cee2aa1dfc3a260b741baae8615744f.zip | |
perf, x86: Provide means for disabling userspace RDPMC
Allow the disabling of RDPMC via a pmu specific attribute:
echo 0 > /sys/bus/event_source/devices/cpu/rdpmc
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Arun Sharma <asharma@fb.com>
Link: http://lkml.kernel.org/n/tip-pqeog465zo5hsimtkfz73f27@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 02545e6df95b..5311b79fe62c 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -615,6 +615,7 @@ struct pmu { struct list_head entry; struct device *dev; + const struct attribute_group **attr_groups; char *name; int type; |