diff options
| author | Alexis Berlemont <alexis.berlemont@gmail.com> | 2016-10-12 23:48:23 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-10-24 11:07:42 -0300 |
| commit | 21e8c81095cdbbde9d2aba8fffc51cb9b5e0eeaa (patch) | |
| tree | 7794155f0af8bdf9b083bba61c6cc5437cedba3f /tools/perf/ui | |
| parent | 042cfb5fa6225ed4b04fd1051b3de16f260a9c67 (diff) | |
perf hists browser: Dynamically change verbosity level
Here is a small patch which tries to fulfill a point in the perf todo
list:
* Make pressing 'V' multiple times to go on cycling thru various
verbosity levels in 'perf top', so that info that is present in
'perf top -v' can be obtained without having to restart the tool
(acme).
After a small grep in the code, the max verbosity level seems 3; so,
we cycle at 4; I did not dare define a MAX_VERBOSE_LEVEL constant.
Signed-off-by: Alexis Berlemont <alexis.berlemont@gmail.com>
Suggested-and-Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20161012214823.14324-2-alexis.berlemont@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/ui')
| -rw-r--r-- | tools/perf/ui/browsers/hists.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 31d6d5a7c2dc..ddc4c3e59cc1 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -2807,7 +2807,10 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, do_zoom_dso(browser, actions); continue; case 'V': - browser->show_dso = !browser->show_dso; + verbose = (verbose + 1) % 4; + browser->show_dso = verbose > 0; + ui_helpline__fpush("Verbosity level set to %d\n", + verbose); continue; case 't': actions->thread = thread; |