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| author | David S. Miller <davem@davemloft.net> | 2010-03-22 20:05:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-22 20:05:26 -0700 |
| commit | 91c030b4d6445ebe9fbddb86d584441f300df15c (patch) | |
| tree | e8a48e3ad9e0448c690268175e555fa651983546 /arch/sh/kernel/perf_event.c | |
| parent | 7c3456fdb503071787f7f972de1069b9cacd16f0 (diff) | |
| parent | ae6be51ed01d6c4aaf249a207b4434bc7785853b (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/sh/kernel/perf_event.c')
| -rw-r--r-- | arch/sh/kernel/perf_event.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c index 7ff0943e7a0..9f253e9cce0 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()) @@ -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; } |