diff options
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r-- | kernel/perf_event.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index a4fa381db3c2..17ac47f4bce6 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c | |||
@@ -4468,8 +4468,9 @@ static int swevent_hlist_get(struct perf_event *event) | |||
4468 | #ifdef CONFIG_EVENT_TRACING | 4468 | #ifdef CONFIG_EVENT_TRACING |
4469 | 4469 | ||
4470 | void perf_tp_event(int event_id, u64 addr, u64 count, void *record, | 4470 | void perf_tp_event(int event_id, u64 addr, u64 count, void *record, |
4471 | int entry_size, struct pt_regs *regs) | 4471 | int entry_size, struct pt_regs *regs, void *event) |
4472 | { | 4472 | { |
4473 | const int type = PERF_TYPE_TRACEPOINT; | ||
4473 | struct perf_sample_data data; | 4474 | struct perf_sample_data data; |
4474 | struct perf_raw_record raw = { | 4475 | struct perf_raw_record raw = { |
4475 | .size = entry_size, | 4476 | .size = entry_size, |
@@ -4479,9 +4480,13 @@ void perf_tp_event(int event_id, u64 addr, u64 count, void *record, | |||
4479 | perf_sample_data_init(&data, addr); | 4480 | perf_sample_data_init(&data, addr); |
4480 | data.raw = &raw; | 4481 | data.raw = &raw; |
4481 | 4482 | ||
4482 | /* Trace events already protected against recursion */ | 4483 | if (!event) { |
4483 | do_perf_sw_event(PERF_TYPE_TRACEPOINT, event_id, count, 1, | 4484 | do_perf_sw_event(type, event_id, count, 1, &data, regs); |
4484 | &data, regs); | 4485 | return; |
4486 | } | ||
4487 | |||
4488 | if (perf_swevent_match(event, type, event_id, &data, regs)) | ||
4489 | perf_swevent_add(event, count, 1, &data, regs); | ||
4485 | } | 4490 | } |
4486 | EXPORT_SYMBOL_GPL(perf_tp_event); | 4491 | EXPORT_SYMBOL_GPL(perf_tp_event); |
4487 | 4492 | ||
@@ -4514,7 +4519,7 @@ static const struct pmu *tp_perf_event_init(struct perf_event *event) | |||
4514 | !capable(CAP_SYS_ADMIN)) | 4519 | !capable(CAP_SYS_ADMIN)) |
4515 | return ERR_PTR(-EPERM); | 4520 | return ERR_PTR(-EPERM); |
4516 | 4521 | ||
4517 | if (perf_trace_enable(event->attr.config)) | 4522 | if (perf_trace_enable(event->attr.config, event)) |
4518 | return NULL; | 4523 | return NULL; |
4519 | 4524 | ||
4520 | event->destroy = tp_perf_event_destroy; | 4525 | event->destroy = tp_perf_event_destroy; |