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| author | David Ahern <dsahern@gmail.com> | 2013-11-12 09:31:15 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-11-12 16:24:38 -0300 |
| commit | fd2eabaf16984bc75695e43f4b76e6f20ed4ea41 (patch) | |
| tree | 183ed62dbfd9b53d70c05aeecff230f6119d34bc /tools/perf/builtin-trace.c | |
| parent | 99ff7150547382ee612c40d8d6a0670ddec7c9fc (diff) | |
| download | op-kernel-dev-fd2eabaf16984bc75695e43f4b76e6f20ed4ea41.zip op-kernel-dev-fd2eabaf16984bc75695e43f4b76e6f20ed4ea41.tar.gz | |
perf trace: Add summary only option
Per request from Pekka make --summary a summary only option meaning do
not show the individual system calls. Add another option to see all
syscalls along with the summary. In addition use 's' and 'S' as
shortcuts for the options.
Requested-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: David Ahern <dsahern@gmail.com>
Tested-by: Pekka Enberg <penberg@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/1384273875-3751-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 0964c0c..aa5702f 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1168,6 +1168,7 @@ struct trace { bool sched; bool multiple_threads; bool summary; + bool summary_only; bool show_comm; bool show_tool_stats; double duration_filter; @@ -1611,7 +1612,7 @@ static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, args, trace, thread); if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { - if (!trace->duration_filter) { + if (!trace->duration_filter && !trace->summary_only) { trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); fprintf(trace->output, "%-70s\n", ttrace->entry_str); } @@ -1664,6 +1665,9 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, } else if (trace->duration_filter) goto out; + if (trace->summary_only) + goto out; + trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); if (ttrace->entry_pending) { @@ -2282,8 +2286,10 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) OPT_INCR('v', "verbose", &verbose, "be more verbose"), OPT_BOOLEAN('T', "time", &trace.full_time, "Show full timestamp, not time relative to first start"), - OPT_BOOLEAN(0, "summary", &trace.summary, - "Show syscall summary with statistics"), + OPT_BOOLEAN('s', "summary", &trace.summary_only, + "Show only syscall summary with statistics"), + OPT_BOOLEAN('S', "with-summary", &trace.summary, + "Show all syscalls and summary with statistics"), OPT_END() }; int err; @@ -2294,6 +2300,10 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) argc = parse_options(argc, argv, trace_options, trace_usage, 0); + /* summary_only implies summary option, but don't overwrite summary if set */ + if (trace.summary_only) + trace.summary = trace.summary_only; + if (output_name != NULL) { err = trace__open_output(&trace, output_name); if (err < 0) { |
