[PATCH V3 05/25] perf tools: Hit all build ids when AUX area tracing

Adrian Hunter
2015-04-24T19:32:47Z

We need to include all buildids when a perf.data
file contains AUX area tracing data because we
do not decode the trace for that purpose because
it would take too long.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/builtin-buildid-list.c | 9 +++++++++
tools/perf/builtin-inject.c | 8 +++++++-
tools/perf/builtin-record.c | 10 +++++++++-
3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index feb420f..9fe93c8 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -69,6 +69,15 @@ static int perf_session__list_build_ids(bool force, bool with_hits)
session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops);
if (session == NULL)
return -1;
+
+ /*
+ * We take all buildids when the file contains AUX area tracing data
+ * because we do not decode the trace because it would take too long.
+ */
+ if (!perf_data_file__is_pipe(&file) &&
+ perf_header__has_feat(&session->header, HEADER_AUXTRACE))
+ with_hits = false;
+
/*
* in pipe-mode, the only way to get the buildids is to parse
* the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 6d4bbde..cc905f1 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -27,6 +27,7 @@ struct perf_inject {
struct perf_session *session;
bool build_ids;
bool sched_stat;
+ bool have_auxtrace;
const char *input_name;
struct perf_data_file output;
u64 bytes_written;
@@ -122,6 +123,8 @@ static s64 perf_event__repipe_auxtrace(struct perf_tool *tool,
tool);
int ret;

+ inject->have_auxtrace = true;
+
if (!inject->output.is_pipe) {
off_t offset;

@@ -508,9 +511,12 @@ static int __cmd_inject(struct perf_inject *inject)
ret = perf_session__process_events(session);

if (!file_out->is_pipe) {
- if (inject->build_ids)
+ if (inject->build_ids) {
perf_header__set_feat(&session->header,
HEADER_BUILD_ID);
+ if (inject->have_auxtrace)
+ dsos__hit_all(session);
+ }
/*
* The AUX areas have been removed and replaced with
* synthesized hardware events, so clear the feature flag.
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index c8c784c..4d0ebbb 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -620,8 +620,16 @@ out_child:
if (!err && !file->is_pipe) {
rec->session->header.data_size += rec->bytes_written;

- if (!rec->no_buildid)
+ if (!rec->no_buildid) {
process_buildids(rec);
+ /*
+ * We take all buildids when the file contains
+ * AUX area tracing data because we do not decode the
+ * trace because it would take too long.
+ */
+ if (rec->opts.full_auxtrace)
+ dsos__hit_all(rec->session);
+ }
perf_session__write_header(rec->session, rec->evlist, fd, true);
}

--
1.9.1