From: Adrian Hunter Date: Fri, 25 Sep 2015 13:15:54 +0000 (+0300) Subject: perf inject: Remove more aux-related stuff when processing instruction traces X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=73117308f953afb60a1383725b7d5372feeb2433;p=openwrt%2Fstaging%2Fblogic.git perf inject: Remove more aux-related stuff when processing instruction traces perf inject can process instruction traces (using the --itrace option) which removes aux-related events and replaces them with the requested synthesized events. However there are still some leftovers, namely PERF_RECORD_ITRACE_START events and the original evsel (selected event) e.g. intel_pt// For the sake of completeness, remove them too. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Link: http://lkml.kernel.org/r/1443186956-18718-24-git-send-email-adrian.hunter@intel.com [ Made it use perf_evlist__remove() + perf_evsel__delete() ] Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 8638fad8a085..9b6119f134b4 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -31,6 +31,7 @@ struct perf_inject { const char *input_name; struct perf_data_file output; u64 bytes_written; + u64 aux_id; struct list_head samples; struct itrace_synth_opts itrace_synth_opts; }; @@ -176,6 +177,19 @@ static int perf_event__repipe(struct perf_tool *tool, return perf_event__repipe_synth(tool, event); } +static int perf_event__drop_aux(struct perf_tool *tool, + union perf_event *event __maybe_unused, + struct perf_sample *sample, + struct machine *machine __maybe_unused) +{ + struct perf_inject *inject = container_of(tool, struct perf_inject, tool); + + if (!inject->aux_id) + inject->aux_id = sample->id; + + return 0; +} + typedef int (*inject_handler)(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, @@ -512,6 +526,8 @@ static int __cmd_inject(struct perf_inject *inject) inject->tool.id_index = perf_event__repipe_id_index; inject->tool.auxtrace_info = perf_event__process_auxtrace_info; inject->tool.auxtrace = perf_event__process_auxtrace; + inject->tool.aux = perf_event__drop_aux; + inject->tool.itrace_start = perf_event__drop_aux, inject->tool.ordered_events = true; inject->tool.ordering_requires_timestamps = true; /* Allow space in the header for new attributes */ @@ -535,14 +551,25 @@ 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. + * synthesized hardware events, so clear the feature flag and + * remove the evsel. */ if (inject->itrace_synth_opts.set) { + struct perf_evsel *evsel; + perf_header__clear_feat(&session->header, HEADER_AUXTRACE); if (inject->itrace_synth_opts.last_branch) perf_header__set_feat(&session->header, HEADER_BRANCH_STACK); + evsel = perf_evlist__id2evsel_strict(session->evlist, + inject->aux_id); + if (evsel) { + pr_debug("Deleting %s\n", + perf_evsel__name(evsel)); + perf_evlist__remove(session->evlist, evsel); + perf_evsel__delete(evsel); + } } session->header.data_offset = output_data_offset; session->header.data_size = inject->bytes_written;