Messages in this thread | | | Date | Thu, 26 Dec 2013 11:05:21 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 2/8] perf ui/tui: Split help message for perf top and report |
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Em Thu, Dec 26, 2013 at 02:37:58PM +0900, Namhyung Kim escreveu: > From: Namhyung Kim <namhyung.kim@lge.com> > > Some hotkeys don't work for perf top so split help messages for them. > It'll be helpful to a future modification. Also sort the message by > alphabetical order of the hotkey. > > Signed-off-by: Namhyung Kim <namhyung@kernel.org> > --- > tools/perf/ui/browsers/hists.c | 49 ++++++++++++++++++++++++++---------------- > 1 file changed, 30 insertions(+), 19 deletions(-) > > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c > index a440e03cd8c2..d43ec79ea4e3 100644 > --- a/tools/perf/ui/browsers/hists.c > +++ b/tools/perf/ui/browsers/hists.c > @@ -1400,6 +1400,35 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, > char script_opt[64]; > int delay_secs = hbt ? hbt->refresh : 0; > > +#define HIST_BROWSER_HELP_COMMON \ > + "h/?/F1 Show this window\n" \ > + "UP/DOWN/PGUP\n" \ > + "PGDN/SPACE Navigate\n" \ > + "q/ESC/CTRL+C Exit browser\n\n" \ > + "For multiple event sessions:\n\n" \ > + "TAB/UNTAB Switch events\n\n" \ > + "For symbolic views (--sort has sym):\n\n" \ > + "-> Zoom into DSO/Threads & Annotate current symbol\n" \ > + "<- Zoom out\n" \ > + "a Annotate current symbol\n" \ > + "C Collapse all callchains\n" \ > + "d Zoom into current DSO\n" \ > + "E Expand all callchains\n" \ > + > + /* help messages are sorted by lexical order of the hotkey */ > + const char report_help[] = HIST_BROWSER_HELP_COMMON > + "P Print histograms to perf.hist.N\n" > + "r Run available scripts\n" > + "s Switch to another data file in PWD\n" > + "t Zoom into current Thread\n" > + "V Verbose (DSO names in callchains, etc)\n" > + "/ Filter symbol by name"; > + const char top_help[] = HIST_BROWSER_HELP_COMMON > + "P Print histograms to perf.hist.N\n" > + "t Zoom into current Thread\n" > + "V Verbose (DSO names in callchains, etc)\n" > + "/ Filter symbol by name"; > + > if (browser == NULL) return -1;
This wastes space, why not have the HIST_BROWSER_HELP_COMMON as a
const char common_help[] = ...
and then use: ui_browser_helo(..., "%s%s", common_help, is_report_browser(hbt) ? report_help : top_help);
?
- Arnaldo
> > @@ -1488,25 +1517,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, > case 'h': > case '?': > ui_browser__help_window(&browser->b, > - "h/?/F1 Show this window\n" > - "UP/DOWN/PGUP\n" > - "PGDN/SPACE Navigate\n" > - "q/ESC/CTRL+C Exit browser\n\n" > - "For multiple event sessions:\n\n" > - "TAB/UNTAB Switch events\n\n" > - "For symbolic views (--sort has sym):\n\n" > - "-> Zoom into DSO/Threads & Annotate current symbol\n" > - "<- Zoom out\n" > - "a Annotate current symbol\n" > - "C Collapse all callchains\n" > - "E Expand all callchains\n" > - "d Zoom into current DSO\n" > - "t Zoom into current Thread\n" > - "r Run available scripts('perf report' only)\n" > - "s Switch to another data file in PWD ('perf report' only)\n" > - "P Print histograms to perf.hist.N\n" > - "V Verbose (DSO names in callchains, etc)\n" > - "/ Filter symbol by name"); > + is_report_browser(hbt) ? report_help : top_help); > continue; > case K_ENTER: > case K_RIGHT: > -- > 1.7.11.7
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