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perf inject: Set branch stack feature flag when synthesizing branch stacks 

The branch stack feature flag is set by 'perf record' when recording
data that contains branch stacks.  Consequently, when 'perf inject'
synthesizes branch stacks, the feature flag should be set also.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1443186956-18718-13-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2015-09-25 16:15:43 +03:00 committed by Arnaldo Carvalho de Melo
parent f86225db3a
commit 051a01b9a2
1 changed files with 5 additions and 1 deletions
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6
tools/perf/builtin-inject.c
View File

@ -537,9 +537,13 @@ static int __cmd_inject(struct perf_inject *inject)
* The AUX areas have been removed and replaced with
* synthesized hardware events, so clear the feature flag.
*/
if (inject->itrace_synth_opts.set)
if (inject->itrace_synth_opts.set) {
perf_header__clear_feat(&session->header,
HEADER_AUXTRACE);
if (inject->itrace_synth_opts.last_branch)
perf_header__set_feat(&session->header,
HEADER_BRANCH_STACK);
}
session->header.data_offset = output_data_offset;
session->header.data_size = inject->bytes_written;
perf_session__write_header(session, session->evlist, fd, true);