perf intel-pt: Fix async branch flags

commit f2d87895cb upstream.

Ensure PERF_IP_FLAG_ASYNC is set always for asynchronous branches (i.e.
interrupts etc).

Fixes: 90e457f7be ("perf tools: Add Intel PT support")
Cc: stable@vger.kernel.org
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20230928072953.19369-1-adrian.hunter@intel.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Adrian Hunter 2023-09-28 10:29:53 +03:00 committed by Greg Kroah-Hartman
parent a1d8f675ea
commit 4cb064f617

View File

@ -1483,9 +1483,11 @@ static void intel_pt_sample_flags(struct intel_pt_queue *ptq)
} else if (ptq->state->flags & INTEL_PT_ASYNC) {
if (!ptq->state->to_ip)
ptq->flags = PERF_IP_FLAG_BRANCH |
PERF_IP_FLAG_ASYNC |
PERF_IP_FLAG_TRACE_END;
else if (ptq->state->from_nr && !ptq->state->to_nr)
ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL |
PERF_IP_FLAG_ASYNC |
PERF_IP_FLAG_VMEXIT;
else
ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL |