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authorIngo Molnar <mingo@kernel.org>2020-10-09 08:55:17 +0200
committerIngo Molnar <mingo@kernel.org>2020-10-09 08:55:17 +0200
commite705d397965811ac528d7213b42d74ffe43caf38 (patch)
tree8a5bbe85cc42e64992b97859976e307027f83e33 /tools/perf/util/cs-etm.c
parentd89d5f855f84ccf3f7e648813b4bb95c780bd7cd (diff)
parentbaffd723e44dc3d7f84f0b8f1fe1ece00ddd2710 (diff)
downloadlinux-e705d397965811ac528d7213b42d74ffe43caf38.tar.bz2
Merge branch 'locking/urgent' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/cs-etm.c')
-rw-r--r--tools/perf/util/cs-etm.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index c283223fb31f..a2a369e2fbb6 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -1344,8 +1344,15 @@ static int cs_etm__synth_events(struct cs_etm_auxtrace *etm,
attr.sample_type &= ~(u64)PERF_SAMPLE_ADDR;
}
- if (etm->synth_opts.last_branch)
+ if (etm->synth_opts.last_branch) {
attr.sample_type |= PERF_SAMPLE_BRANCH_STACK;
+ /*
+ * We don't use the hardware index, but the sample generation
+ * code uses the new format branch_stack with this field,
+ * so the event attributes must indicate that it's present.
+ */
+ attr.branch_sample_type |= PERF_SAMPLE_BRANCH_HW_INDEX;
+ }
if (etm->synth_opts.instructions) {
attr.config = PERF_COUNT_HW_INSTRUCTIONS;