diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-02-22 22:19:14 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-29 09:35:17 +0100 |
| commit | 1f2569fac6c6dd5a6e3fba41c183c04273f05a58 (patch) | |
| tree | ce4e243f794b0fbf2e511f3d686fd793bbe9082d /arch/x86/events/intel/uncore_snb.c | |
| parent | 54d751d4ad357c817907fe89db3222b97ff66db3 (diff) | |
perf/x86/intel/uncore: Store box in event->pmu_private
Store the PMU pointer in event->pmu_private, so we can get rid of the
per CPU data storage.
We keep it after converting to per package data, because a CPU to
package lookup will be 3 loads versus one and these usage sites are
in the perf fast path.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andi Kleen <andi.kleen@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Harish Chegondi <harish.chegondi@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/20160222221011.460851335@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events/intel/uncore_snb.c')
| -rw-r--r-- | arch/x86/events/intel/uncore_snb.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c index 120e106389f6..96531d2b843f 100644 --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -313,6 +313,7 @@ static int snb_uncore_imc_event_init(struct perf_event *event) return -EINVAL; event->cpu = box->cpu; + event->pmu_private = box; event->hw.idx = -1; event->hw.last_tag = ~0ULL; |