Em Fri, Feb 17, 2017 at 05:17:39PM +0900, Namhyung Kim escreveu:
> The -q/--quiet option is to suppress any message. Sometimes users just
> want to see the numbers and it can be used for that case.
#
# (Tip: Customize output of perf script with: perf script -F event,ip,sym)
#
(END)
This still appears, at the end :-\
- Arnaldo
> Signed-off-by: Namhyung Kim <namhy...@kernel.org>
> ---
> tools/perf/Documentation/perf-report.txt | 4 ++++
> tools/perf/builtin-report.c | 21 ++++++++++++++++-----
> 2 files changed, 20 insertions(+), 5 deletions(-)
>
> diff --git a/tools/perf/Documentation/perf-report.txt
> b/tools/perf/Documentation/perf-report.txt
> index f2914f03ae7b..c04cc0647c16 100644
> --- a/tools/perf/Documentation/perf-report.txt
> +++ b/tools/perf/Documentation/perf-report.txt
> @@ -25,6 +25,10 @@ OPTIONS
> --verbose::
> Be more verbose. (show symbol address, etc)
>
> +-q::
> +--quiet::
> + Do not show any message. (Suppress -v)
> +
> -n::
> --show-nr-samples::
> Show the number of samples for each symbol
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index dbd7fa028861..0a88670e56f3 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -320,6 +320,9 @@ static size_t hists__fprintf_nr_sample_events(struct
> hists *hists, struct report
> size_t size = sizeof(buf);
> int socked_id = hists->socket_filter;
>
> + if (quiet)
> + return 0;
> +
> if (symbol_conf.filter_relative) {
> nr_samples = hists->stats.nr_non_filtered_samples;
> nr_events = hists->stats.total_non_filtered_period;
> @@ -372,7 +375,11 @@ static int perf_evlist__tty_browse_hists(struct
> perf_evlist *evlist,
> {
> struct perf_evsel *pos;
>
> - fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
> evlist->stats.total_lost_samples);
> + if (!quiet) {
> + fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
> + evlist->stats.total_lost_samples);
> + }
> +
> evlist__for_each_entry(evlist, pos) {
> struct hists *hists = evsel__hists(pos);
> const char *evname = perf_evsel__name(pos);
> @@ -382,7 +389,7 @@ static int perf_evlist__tty_browse_hists(struct
> perf_evlist *evlist,
> continue;
>
> hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
> - hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout,
> + hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
> symbol_conf.use_callchain);
> fprintf(stdout, "\n\n");
> }
> @@ -716,6 +723,7 @@ int cmd_report(int argc, const char **argv, const char
> *prefix __maybe_unused)
> "input file name"),
> OPT_INCR('v', "verbose", &verbose,
> "be more verbose (show symbol address, etc)"),
> + OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
> OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
> "dump raw trace in ASCII"),
> OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
> @@ -863,6 +871,9 @@ int cmd_report(int argc, const char **argv, const char
> *prefix __maybe_unused)
> report.symbol_filter_str = argv[0];
> }
>
> + if (quiet)
> + perf_quiet_option();
> +
> if (symbol_conf.vmlinux_name &&
> access(symbol_conf.vmlinux_name, R_OK)) {
> pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
> @@ -983,14 +994,14 @@ int cmd_report(int argc, const char **argv, const char
> *prefix __maybe_unused)
> goto error;
> }
>
> - if (report.header || report.header_only) {
> + if ((report.header || report.header_only) && !quiet) {
> perf_session__fprintf_info(session, stdout,
> report.show_full_info);
> if (report.header_only) {
> ret = 0;
> goto error;
> }
> - } else if (use_browser == 0) {
> + } else if (use_browser == 0 && !quiet) {
> fputs("# To display the perf.data header info, please use
> --header/--header-only options.\n#\n",
> stdout);
> }
> @@ -1009,7 +1020,7 @@ int cmd_report(int argc, const char **argv, const char
> *prefix __maybe_unused)
> * providing it only in verbose mode not to bloat too
> * much struct symbol.
> */
> - if (verbose) {
> + if (verbose > 0) {
> /*
> * XXX: Need to provide a less kludgy way to ask for
> * more space per symbol, the u32 is for the index on
> --
> 2.11.1
