diff options
| author |   James Clark <james.clark@arm.com> | 2022-10-12 15:38:57 +0100 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2022-10-27 10:27:30 +0200 |
| commit | 4b66ff46f2e18b1d32e18c881799ef911606f3be (patch) | |
| tree | f8ccbd24c3b47c40140e21dfeb9d38f62c46db32 /kernel/events | |
| parent | Linux 6.1-rc2 (diff) | |
| download | linux-dev-4b66ff46f2e18b1d32e18c881799ef911606f3be.tar.xz linux-dev-4b66ff46f2e18b1d32e18c881799ef911606f3be.zip | |
perf: Fix missing raw data on tracepoint events
Since commit 838d9bb62d13 ("perf: Use sample_flags for raw_data")
raw data is not being output on tracepoints due to the PERF_SAMPLE_RAW
field not being set. Fix this by setting it for tracepoint events.
This fixes the following test failure:
perf test "sched_switch" -vvv
35: Track with sched_switch
--- start ---
test child forked, pid 1828
...
Using CPUID 0x00000000410fd400
sched_switch: cpu: 2 prev_tid -14687 next_tid 0
sched_switch: cpu: 2 prev_tid -14687 next_tid 0
Missing sched_switch events
4613 events recorded
test child finished with -1
---- end ----
Track with sched_switch: FAILED!
Fixes: 838d9bb62d13 ("perf: Use sample_flags for raw_data")
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: SeongJae Park <sj@kernel.org>
Tested-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/20221012143857.48198-1-james.clark@arm.com
Diffstat (limited to 'kernel/events')
| -rw-r--r-- | kernel/events/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 01933db7629c..4ec3717003d5 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -9846,6 +9846,7 @@ void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size, perf_sample_data_init(&data, 0, 0); data.raw = &raw; + data.sample_flags |= PERF_SAMPLE_RAW; perf_trace_buf_update(record, event_type); |