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Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 2621fd24ad26..c9b9cb79231a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6794,11 +6794,10 @@ out_put:
static void __perf_event_header__init_id(struct perf_event_header *header,
struct perf_sample_data *data,
- struct perf_event *event)
+ struct perf_event *event,
+ u64 sample_type)
{
- u64 sample_type = event->attr.sample_type;
-
- data->type = sample_type;
+ data->type = event->attr.sample_type;
header->size += event->id_header_size;
if (sample_type & PERF_SAMPLE_TID) {
@@ -6827,7 +6826,7 @@ void perf_event_header__init_id(struct perf_event_header *header,
struct perf_event *event)
{
if (event->attr.sample_id_all)
- __perf_event_header__init_id(header, data, event);
+ __perf_event_header__init_id(header, data, event, event->attr.sample_type);
}
static void __perf_event__output_id_sample(struct perf_output_handle *handle,
@@ -7303,6 +7302,7 @@ void perf_prepare_sample(struct perf_event_header *header,
struct pt_regs *regs)
{
u64 sample_type = event->attr.sample_type;
+ u64 filtered_sample_type;
header->type = PERF_RECORD_SAMPLE;
header->size = sizeof(*header) + event->header_size;
@@ -7310,7 +7310,12 @@ void perf_prepare_sample(struct perf_event_header *header,
header->misc = 0;
header->misc |= perf_misc_flags(regs);
- __perf_event_header__init_id(header, data, event);
+ /*
+ * Clear the sample flags that have already been done by the
+ * PMU driver.
+ */
+ filtered_sample_type = sample_type & ~data->sample_flags;
+ __perf_event_header__init_id(header, data, event, filtered_sample_type);
if (sample_type & (PERF_SAMPLE_IP | PERF_SAMPLE_CODE_PAGE_SIZE))
data->ip = perf_instruction_pointer(regs);