From: Adrian Hunter Date: Fri, 25 Sep 2015 13:15:43 +0000 (+0300) Subject: perf inject: Set branch stack feature flag when synthesizing branch stacks X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=051a01b9a2c1c1ef3049973a43d9ed4ddcc946f3;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git 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 Cc: Jiri Olsa Link: http://lkml.kernel.org/r/1443186956-18718-13-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index f62c49b35be0..8638fad8a085 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -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);