[tip:perf/core] perf annotate browser: Support --show-nr-samples option

tip-bot for Taeung Song
2017-08-22T10:29:15Z

Commit-ID: 9cef4b0b5b7f64016f043609313aaa821d682d2e
Gitweb: http://git.kernel.org/tip/9cef4b0b5b7f64016f043609313aaa821d682d2e
Author: Taeung Song <treeze.taeung@gmail.com>
AuthorDate: Fri, 18 Aug 2017 17:47:03 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 18 Aug 2017 11:15:09 -0300

perf annotate browser: Support --show-nr-samples option

Support the --show-nr-samples in the TUI browser.

Committer notes:

Lift the restriction about --tui but leave it for --gtk:

$ export LD_LIBRARY_PATH=~/lib64
$ perf annotate --gtk --show-nr-samples --show-nr-samples is not available in --gtk mode at this time
$

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1503046023-5646-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-annotate.c | 4 ++--
tools/perf/ui/browsers/annotate.c | 14 +++++++++++---
2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 89fc038..c383731 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -474,8 +474,8 @@ int cmd_annotate(int argc, const char **argv)
annotate.sym_hist_filter = argv[0];
}

- if (symbol_conf.show_nr_samples && !annotate.use_stdio) {
- pr_err("--show-nr-samples is only available in --stdio mode at this time\n");
+ if (symbol_conf.show_nr_samples && annotate.use_gtk) {
+ pr_err("--show-nr-samples is not available in --gtk mode at this time\n");
return ret;
}

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 80f38da..faca1b9 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -42,6 +42,7 @@ static struct annotate_browser_opt {
jump_arrows,
show_linenr,
show_nr_jumps,
+ show_nr_samples,
show_total_period;
} annotate_browser__opts = {
.use_offset = true,
@@ -155,6 +156,9 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
if (annotate_browser__opts.show_total_period) {
ui_browser__printf(browser, "%11" PRIu64 " ",
bdl->samples[i].he.period);
+ } else if (annotate_browser__opts.show_nr_samples) {
+ ui_browser__printf(browser, "%6" PRIu64 " ",
+ bdl->samples[i].he.nr_samples);
} else {
ui_browser__printf(browser, "%6.2f ",
bdl->samples[i].percent);
@@ -167,7 +171,8 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
ui_browser__write_nstring(browser, " ", pcnt_width);
else {
ui_browser__printf(browser, "%*s", pcnt_width,
- annotate_browser__opts.show_total_period ? "Period" : "Percent");
+ annotate_browser__opts.show_total_period ? "Period" :
+ annotate_browser__opts.show_nr_samples ? "Samples" : "Percent");
}
}
if (ab->have_cycles) {
@@ -931,9 +936,11 @@ out:
int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel,
struct hist_browser_timer *hbt)
{
- /* Set default value for show_total_period. */
+ /* Set default value for show_total_period and show_nr_samples */
annotate_browser__opts.show_total_period =
- symbol_conf.show_total_period;
+ symbol_conf.show_total_period;
+ annotate_browser__opts.show_nr_samples =
+ symbol_conf.show_nr_samples;

return symbol__tui_annotate(ms->sym, ms->map, evsel, hbt);
}
@@ -1184,6 +1191,7 @@ static struct annotate_config {
ANNOTATE_CFG(jump_arrows),
ANNOTATE_CFG(show_linenr),
ANNOTATE_CFG(show_nr_jumps),
+ ANNOTATE_CFG(show_nr_samples),
ANNOTATE_CFG(show_total_period),
ANNOTATE_CFG(use_offset),
};