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perf stat record: Initialize record features 

Disabling all non stat related features.

Also as we now enable STAT feature in the data file, adding code to
instruct session open to skip sample type checking for stat data files.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1446734469-11352-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-11-05 15:40:47 +01:00 committed by Arnaldo Carvalho de Melo
parent 4979d0c7d0
commit 3ba78bd00e
2 changed files with 18 additions and 0 deletions
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15
tools/perf/builtin-stat.c
View File

@ -1310,6 +1310,19 @@ static const char * const recort_usage[] = {
NULL,
};
static void init_features(struct perf_session *session)
{
int feat;
for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++)
perf_header__set_feat(&session->header, feat);
perf_header__clear_feat(&session->header, HEADER_BUILD_ID);
perf_header__clear_feat(&session->header, HEADER_TRACING_DATA);
perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK);
perf_header__clear_feat(&session->header, HEADER_AUXTRACE);
}
static int __cmd_record(int argc, const char **argv)
{
struct perf_session *session;
@ -1331,6 +1344,8 @@ static int __cmd_record(int argc, const char **argv)
if (perf_stat.file.is_pipe)
return -EINVAL;
init_features(session);
session->evlist = evsel_list;
perf_stat.session = session;
perf_stat.record = true;

3
tools/perf/util/session.c
View File

@ -37,6 +37,9 @@ static int perf_session__open(struct perf_session *session)
if (perf_data_file__is_pipe(file))
return 0;
if (perf_header__has_feat(&session->header, HEADER_STAT))
return 0;
if (!perf_evlist__valid_sample_type(session->evlist)) {
pr_err("non matching sample_type\n");
return -1;