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perf arm-spe: Use ARM_SPE_OP_BRANCH_ERET when synthesizing branches

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Instead of checking the type for just branch misses, we can instead
check for the OP_BRANCH_ERET and synthesise branches as well as
branch misses.

Signed-off-by: Graham Woodward <graham.woodward@arm.com>
Reviewed-by: James Clark <james.clark@linaro.org>
Tested-by: Leo Yan <leo.yan@arm.com>
Cc: nd@arm.com
Cc: mike.leach@linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20241025143009.25419-3-graham.woodward@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Graham Woodward
2024-10-25 15:30:07 +01:00
committed by Namhyung Kim
parent 19966d792b
commit c1b67c8510
1 changed files with 6 additions and 6 deletions
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12
tools/perf/util/arm-spe.c
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@@ -68,7 +68,7 @@ struct arm_spe {
u64 llc_access_id;
u64 tlb_miss_id;
u64 tlb_access_id;
u64 branch_miss_id;
u64 branch_id;
u64 remote_access_id;
u64 memory_id;
u64 instructions_id;
@@ -672,8 +672,8 @@ static int arm_spe_sample(struct arm_spe_queue *speq)
}
}
if (spe->sample_branch && (record->type & ARM_SPE_BRANCH_MISS)) {
err = arm_spe__synth_branch_sample(speq, spe->branch_miss_id);
if (spe->sample_branch && (record->op & ARM_SPE_OP_BRANCH_ERET)) {
err = arm_spe__synth_branch_sample(speq, spe->branch_id);
if (err)
return err;
}
@@ -1385,12 +1385,12 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
if (spe->synth_opts.branches) {
spe->sample_branch = true;
/* Branch miss */
/* Branch */
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->branch_miss_id = id;
arm_spe_set_event_name(evlist, id, "branch-miss");
spe->branch_id = id;
arm_spe_set_event_name(evlist, id, "branch");
id += 1;
}