aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGraham Woodward <[email protected]>2024-10-25 15:30:07 +0100
committerNamhyung Kim <[email protected]>2024-10-29 16:10:10 -0700
commitc1b67c85108f99af0a80aa9e59a2b94ad95428d7 (patch)
tree23f842401231af01020ce1b95c1499de99e94e92
parent19966d792b9e6b055aeb2f0e573b4d4573d5e15b (diff)
perf arm-spe: Use ARM_SPE_OP_BRANCH_ERET when synthesizing branches
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 <[email protected]> Reviewed-by: James Clark <[email protected]> Tested-by: Leo Yan <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Namhyung Kim <[email protected]>
-rw-r--r--tools/perf/util/arm-spe.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 49b763807360..e60e21d24735 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -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;
}