Re: [PATCHSET 0/5] perf report: Make --stat output more compact

From: Jiri Olsa
Date: Sat Apr 24 2021 - 08:23:37 EST


On Fri, Apr 23, 2021 at 11:46:47AM -0700, Andi Kleen wrote:
> > So I added --skip-empty (and --no-skip-empty automatically) to suppres
> > the 0 output and add the event stats like below.
>
> I doubt we need the option for this.

I agree this could be default, but I'm getting compilation fail:

CC ui/browsers/hists.o
ui/browsers/hists.c: In function ‘hist_browser__handle_hotkey’:
ui/browsers/hists.c:699:29: error: ‘struct hists_stats’ has no member named ‘nr_lost_warned’
699 | (browser->hists->stats.nr_lost_warned !=
| ^
ui/browsers/hists.c:700:28: error: ‘struct hists_stats’ has no member named ‘nr_events’
700 | browser->hists->stats.nr_events[PERF_RECORD_LOST])) {
| ^
ui/browsers/hists.c:701:25: error: ‘struct hists_stats’ has no member named ‘nr_lost_warned’
701 | browser->hists->stats.nr_lost_warned =
| ^
ui/browsers/hists.c:702:26: error: ‘struct hists_stats’ has no member named ‘nr_events’
702 | browser->hists->stats.nr_events[PERF_RECORD_LOST];
| ^
ui/browsers/hists.c: In function ‘perf_evsel_menu__write’:
ui/browsers/hists.c:3419:40: error: ‘struct hists_stats’ has no member named ‘nr_events’
3419 | unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE];
| ^
ui/browsers/hists.c:3435:33: error: ‘struct hists_stats’ has no member named ‘nr_events’
3435 | nr_events += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
| ^
ui/browsers/hists.c:3444:26: error: ‘struct hists_stats’ has no member named ‘nr_events’
3444 | nr_events = hists->stats.nr_events[PERF_RECORD_LOST];
| ^
ui/browsers/hists.c: In function ‘block_hists_browser__title’:
ui/browsers/hists.c:3650:41: error: ‘struct hists_stats’ has no member named ‘nr_events’
3650 | unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
| ^

jirka


>
> But if you change it I would add the percentages after the absolute values.
>
> -Andi
>