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| author | Ingo Molnar <mingo@elte.hu> | 2011-02-07 08:44:11 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-07 08:44:26 +0100 |
| commit | c7f9a6f377fa64e5a74f8c128d4349765c28fab1 (patch) | |
| tree | e71eaf08c5f9179d6fd6c7e08d8539358dc76ad1 /kernel/perf_event.c | |
| parent | fe4b04fa31a6dcf4358aa84cf81e5a7fd079469b (diff) | |
| parent | 8dbdea8444d303a772bceb1ba963f0e3273bfc5e (diff) | |
| download | lwn-c7f9a6f377fa64e5a74f8c128d4349765c28fab1.tar.gz lwn-c7f9a6f377fa64e5a74f8c128d4349765c28fab1.zip | |
Merge branch 'linus' into perf/core
Merge reason: Pick up perf fixes that are now upstream
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/perf_event.c')
| -rw-r--r-- | kernel/perf_event.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 7d3faa25e136..a353a4d6d00d 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -1966,11 +1966,12 @@ static void __perf_event_read(void *info) return; raw_spin_lock(&ctx->lock); - update_context_time(ctx); + if (ctx->is_active) + update_context_time(ctx); update_event_times(event); + if (event->state == PERF_EVENT_STATE_ACTIVE) + event->pmu->read(event); raw_spin_unlock(&ctx->lock); - - event->pmu->read(event); } static inline u64 perf_event_count(struct perf_event *event) @@ -2064,8 +2065,7 @@ static int alloc_callchain_buffers(void) * accessed from NMI. Use a temporary manual per cpu allocation * until that gets sorted out. */ - size = sizeof(*entries) + sizeof(struct perf_callchain_entry *) * - num_possible_cpus(); + size = offsetof(struct callchain_cpus_entries, cpu_entries[nr_cpu_ids]); entries = kzalloc(size, GFP_KERNEL); if (!entries) |