Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

perf tools: Hit all build ids when AUX area tracing

Browse source 
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>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1430404667-10593-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2015-04-30 17:37:26 +03:00 committed by Arnaldo Carvalho de Melo
parent 99fa298453
commit cd10b28952
3 changed files with 25 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
tools/perf/builtin-buildid-list.c
View file

@ -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

8
tools/perf/builtin-inject.c
View file

@ -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.

10
tools/perf/builtin-record.c
View file

@ -620,8 +620,16 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
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);
}