If one CS_ETM_TRACE_ON packet is inserted, we miss to generate branch sample for the previous CS_ETM_RANGE packet.
This patch is to generate branch sample when receiving a CS_ETM_TRACE_ON packet, so this can save complete info for the previous CS_ETM_RANGE packet just before CS_ETM_TRACE_ON packet.
Signed-off-by: Leo Yan leo.yan@linaro.org --- tools/perf/util/cs-etm.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 976db84..d3b7942 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -935,6 +935,7 @@ static int cs_etm__sample(struct cs_etm_queue *etmq) static int cs_etm__flush(struct cs_etm_queue *etmq) { int err = 0; + struct cs_etm_auxtrace *etm = etmq->etm; struct cs_etm_packet *tmp;
if (!etmq->prev_packet) @@ -965,6 +966,13 @@ static int cs_etm__flush(struct cs_etm_queue *etmq)
}
+ if (etm->sample_branches && + etmq->prev_packet->sample_type == CS_ETM_RANGE) { + err = cs_etm__synth_branch_sample(etmq); + if (err) + return err; + } + swap_packet: if (etmq->etm->synth_opts.last_branch) { /*