From 4b66ff46f2e18b1d32e18c881799ef911606f3be Mon Sep 17 00:00:00 2001 From: James Clark Date: Wed, 12 Oct 2022 15:38:57 +0100 Subject: 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 Signed-off-by: Peter Zijlstra (Intel) Acked-by: Namhyung Kim Tested-by: SeongJae Park Tested-by: Athira Rajeev Link: https://lore.kernel.org/r/20221012143857.48198-1-james.clark@arm.com --- kernel/events/core.c | 1 + 1 file changed, 1 insertion(+) 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); -- cgit v1.2.3