diff options
Diffstat (limited to 'arch/sh/kernel/perf_event.c')
| -rw-r--r-- | arch/sh/kernel/perf_event.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c index 5a4b3343565..02331672b6d 100644 --- a/arch/sh/kernel/perf_event.c +++ b/arch/sh/kernel/perf_event.c @@ -25,6 +25,7 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/perf_event.h> +#include <linux/export.h> #include <asm/processor.h> struct cpu_hw_events { @@ -226,7 +227,7 @@ again: static void sh_pmu_stop(struct perf_event *event, int flags) { - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct hw_perf_event *hwc = &event->hw; int idx = hwc->idx; @@ -244,7 +245,7 @@ static void sh_pmu_stop(struct perf_event *event, int flags) static void sh_pmu_start(struct perf_event *event, int flags) { - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct hw_perf_event *hwc = &event->hw; int idx = hwc->idx; @@ -261,7 +262,7 @@ static void sh_pmu_start(struct perf_event *event, int flags) static void sh_pmu_del(struct perf_event *event, int flags) { - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); sh_pmu_stop(event, PERF_EF_UPDATE); __clear_bit(event->hw.idx, cpuc->used_mask); @@ -271,7 +272,7 @@ static void sh_pmu_del(struct perf_event *event, int flags) static int sh_pmu_add(struct perf_event *event, int flags) { - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct hw_perf_event *hwc = &event->hw; int idx = hwc->idx; int ret = -EAGAIN; @@ -309,6 +310,10 @@ static int sh_pmu_event_init(struct perf_event *event) { int err; + /* does not support taken branch sampling */ + if (has_branch_stack(event)) + return -EOPNOTSUPP; + switch (event->attr.type) { case PERF_TYPE_RAW: case PERF_TYPE_HW_CACHE: @@ -362,7 +367,7 @@ static void sh_pmu_setup(int cpu) memset(cpuhw, 0, sizeof(struct cpu_hw_events)); } -static int __cpuinit +static int sh_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu) { unsigned int cpu = (long)hcpu; @@ -379,7 +384,7 @@ sh_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu) return NOTIFY_OK; } -int __cpuinit register_sh_pmu(struct sh_pmu *_pmu) +int register_sh_pmu(struct sh_pmu *_pmu) { if (sh_pmu) return -EBUSY; @@ -389,7 +394,7 @@ int __cpuinit register_sh_pmu(struct sh_pmu *_pmu) WARN_ON(_pmu->num_events > MAX_HWEVENTS); - perf_pmu_register(&pmu); + perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); perf_cpu_notifier(sh_pmu_notifier); return 0; } |