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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-12 23:19:01 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-12 23:20:33 +0200 |
| commit | a9aa1d02de36b450990b0e25a88fc2ff1c3e6b94 (patch) | |
| tree | 1f9d19f1642d263e65906a916a48be9339accc73 /arch/sh/kernel/perf_event.c | |
| parent | 5671a10e2bc7f99d9157c6044faf8be2ef302361 (diff) | |
| parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) | |
Merge commit 'v2.6.34-rc7' into perf/nmi
Merge reason: catch up with latest softlockup detector changes.
Diffstat (limited to 'arch/sh/kernel/perf_event.c')
| -rw-r--r-- | arch/sh/kernel/perf_event.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c index 7ff0943e7a08..81b6de41ae5d 100644 --- a/arch/sh/kernel/perf_event.c +++ b/arch/sh/kernel/perf_event.c @@ -275,13 +275,30 @@ const struct pmu *hw_perf_event_init(struct perf_event *event) return &pmu; } -void hw_perf_event_setup(int cpu) +static void sh_pmu_setup(int cpu) { struct cpu_hw_events *cpuhw = &per_cpu(cpu_hw_events, cpu); memset(cpuhw, 0, sizeof(struct cpu_hw_events)); } +static int __cpuinit +sh_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu) +{ + unsigned int cpu = (long)hcpu; + + switch (action & ~CPU_TASKS_FROZEN) { + case CPU_UP_PREPARE: + sh_pmu_setup(cpu); + break; + + default: + break; + } + + return NOTIFY_OK; +} + void hw_perf_enable(void) { if (!sh_pmu_initialized()) @@ -298,7 +315,7 @@ void hw_perf_disable(void) sh_pmu->disable_all(); } -int register_sh_pmu(struct sh_pmu *pmu) +int __cpuinit register_sh_pmu(struct sh_pmu *pmu) { if (sh_pmu) return -EBUSY; @@ -308,5 +325,6 @@ int register_sh_pmu(struct sh_pmu *pmu) WARN_ON(pmu->num_events > MAX_HWEVENTS); + perf_cpu_notifier(sh_pmu_notifier); return 0; } |