diff options
| -rw-r--r-- | tools/perf/util/intel-pt.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index cafb3943d5f6..f6e28ac231b7 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -2171,7 +2171,27 @@ static int intel_pt_sample(struct intel_pt_queue *ptq) } if (pt->sample_branches) { - err = intel_pt_synth_branch_sample(ptq); + if (state->from_nr != state->to_nr && + state->from_ip && state->to_ip) { + struct intel_pt_state *st = (struct intel_pt_state *)state; + u64 to_ip = st->to_ip; + u64 from_ip = st->from_ip; + + /* + * perf cannot handle having different machines for ip + * and addr, so create 2 branches. + */ + st->to_ip = 0; + err = intel_pt_synth_branch_sample(ptq); + if (err) + return err; + st->from_ip = 0; + st->to_ip = to_ip; + err = intel_pt_synth_branch_sample(ptq); + st->from_ip = from_ip; + } else { + err = intel_pt_synth_branch_sample(ptq); + } if (err) return err; } |