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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2012-10-02 17:38:52 +0400
committerIngo Molnar <mingo@kernel.org>2012-10-05 15:59:06 +0400
commit3f1f33206c16c7b3839d71372bc2ac3f305aa802 (patch)
tree683e2af07cb49e9a333f982e72088929027881c1 /include/linux
parent2e132b12f78d88672711ae1d87624951de1089ca (diff)
downloadlinux-3f1f33206c16c7b3839d71372bc2ac3f305aa802.tar.xz
perf: Clarify perf_cpu_context::active_pmu usage by renaming it to ::unique_pmu
Stephane thought the perf_cpu_context::active_pmu name confusing and suggested using 'unique_pmu' instead. This pointer is a pointer to a 'random' pmu sharing the cpuctx instance, therefore limiting a for_each_pmu loop to those where cpuctx->unique_pmu matches the pmu we get a loop over unique cpuctx instances. Suggested-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-kxyjqpfj2fn9gt7kwu5ag9ks@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/perf_event.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 599afc4bb67e..b4166cdfa7a2 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1110,7 +1110,7 @@ struct perf_cpu_context {
int exclusive;
struct list_head rotation_list;
int jiffies_interval;
- struct pmu *active_pmu;
+ struct pmu *unique_pmu;
struct perf_cgroup *cgrp;
};