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Merge branch 'perf/urgent' into perf/core

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Merge reason: We want to queue up a dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2010-03-12 10:20:57 +01:00
parent 6230f2c7ef 9f591fd76a
commit 937779db13
35 changed files with 522 additions and 219 deletions
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30
kernel/perf_event.c
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@ -2790,6 +2790,11 @@ __weak struct perf_callchain_entry *perf_callchain(struct pt_regs *regs)
return NULL;
}
__weak
void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip)
{
}
/*
* Output
*/
@ -4317,9 +4322,8 @@ static const struct pmu perf_ops_task_clock = {
#ifdef CONFIG_EVENT_TRACING
void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
int entry_size)
int entry_size, struct pt_regs *regs)
{
struct pt_regs *regs = get_irq_regs();
struct perf_sample_data data;
struct perf_raw_record raw = {
.size = entry_size,
@ -4329,12 +4333,9 @@ void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
perf_sample_data_init(&data, addr);
data.raw = &raw;
if (!regs)
regs = task_pt_regs(current);
/* Trace events already protected against recursion */
do_perf_sw_event(PERF_TYPE_TRACEPOINT, event_id, count, 1,
&data, regs);
&data, regs);
}
EXPORT_SYMBOL_GPL(perf_tp_event);
@ -4350,7 +4351,7 @@ static int perf_tp_event_match(struct perf_event *event,
static void tp_perf_event_destroy(struct perf_event *event)
{
ftrace_profile_disable(event->attr.config);
perf_trace_disable(event->attr.config);
}
static const struct pmu *tp_perf_event_init(struct perf_event *event)
@ -4364,7 +4365,7 @@ static const struct pmu *tp_perf_event_init(struct perf_event *event)
!capable(CAP_SYS_ADMIN))
return ERR_PTR(-EPERM);
if (ftrace_profile_enable(event->attr.config))
if (perf_trace_enable(event->attr.config))
return NULL;
event->destroy = tp_perf_event_destroy;
@ -5371,12 +5372,22 @@ int perf_event_init_task(struct task_struct *child)
return ret;
}
static void __init perf_event_init_all_cpus(void)
{
int cpu;
struct perf_cpu_context *cpuctx;
for_each_possible_cpu(cpu) {
cpuctx = &per_cpu(perf_cpu_context, cpu);
__perf_event_init_context(&cpuctx->ctx, NULL);
}
}
static void __cpuinit perf_event_init_cpu(int cpu)
{
struct perf_cpu_context *cpuctx;
cpuctx = &per_cpu(perf_cpu_context, cpu);
__perf_event_init_context(&cpuctx->ctx, NULL);
spin_lock(&perf_resource_lock);
cpuctx->max_pertask = perf_max_events - perf_reserved_percpu;
@ -5442,6 +5453,7 @@ static struct notifier_block __cpuinitdata perf_cpu_nb = {
void __init perf_event_init(void)
{
perf_event_init_all_cpus();
perf_cpu_notify(&perf_cpu_nb, (unsigned long)CPU_UP_PREPARE,
(void *)(long)smp_processor_id());
perf_cpu_notify(&perf_cpu_nb, (unsigned long)CPU_ONLINE,