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Merge branch 'master' into export-slabh

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This commit is contained in:
Tejun Heo 2010-04-05 11:37:28 +09:00
commit 336f5899d2
183 changed files with 4625 additions and 2682 deletions
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22
kernel/perf_event.c
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@ -1165,11 +1165,9 @@ void perf_event_task_sched_out(struct task_struct *task,
struct perf_event_context *ctx = task->perf_event_ctxp;
struct perf_event_context *next_ctx;
struct perf_event_context *parent;
struct pt_regs *regs;
int do_switch = 1;
regs = task_pt_regs(task);
perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, regs, 0);
perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0);
if (likely(!ctx || !cpuctx->task_ctx))
return;
@ -2787,12 +2785,11 @@ __weak struct perf_callchain_entry *perf_callchain(struct pt_regs *regs)
return NULL;
}
#ifdef CONFIG_EVENT_TRACING
__weak
void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip)
{
}
#endif
/*
* Output
@ -3379,15 +3376,23 @@ static void perf_event_task_output(struct perf_event *event,
struct perf_task_event *task_event)
{
struct perf_output_handle handle;
int size;
struct task_struct *task = task_event->task;
int ret;
unsigned long flags;
int size, ret;
/*
* If this CPU attempts to acquire an rq lock held by a CPU spinning
* in perf_output_lock() from interrupt context, it's game over.
*/
local_irq_save(flags);
size = task_event->event_id.header.size;
ret = perf_output_begin(&handle, event, size, 0, 0);
if (ret)
if (ret) {
local_irq_restore(flags);
return;
}
task_event->event_id.pid = perf_event_pid(event, task);
task_event->event_id.ppid = perf_event_pid(event, current);
@ -3398,6 +3403,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_output_put(&handle, task_event->event_id);
perf_output_end(&handle);
local_irq_restore(flags);
}
static int perf_event_task_match(struct perf_event *event)