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>
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 @@
bool sched;
bool multiple_threads;
bool summary;
+ bool summary_only;
bool show_comm;
bool show_tool_stats;
double duration_filter;
@@ -1611,7 +1612,7 @@
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 @@
} 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 @@
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 @@
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) {