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SubjectRe: [PATCH/RFC] perf ui/tui: Show column header in hist browser
Em Wed, Jan 15, 2014 at 01:10:44PM +0100, Jiri Olsa escreveu:
> On Wed, Jan 15, 2014 at 02:08:45PM +0900, Namhyung Kim wrote:
> > Add a line for showing column headers like --stdio.
>
> https://git.kernel.org/cgit/linux/kernel/git/jolsa/perf.git/commit/?h=perf/lock12&id=1a06d77629cb8870838132688f443b9ca1436026
>
> ;-) I'll check your change

From a quick view, your change looks better, i.e. being able to toggle
the header line.

Please let me know what you guys end up agreeing is best.

- Arnaldo

> jirka
>
> >
> > Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> > ---
> > tools/perf/ui/browser.c | 4 +--
> > tools/perf/ui/browsers/hists.c | 55 ++++++++++++++++++++++++++++++++++++++++++
> > 2 files changed, 57 insertions(+), 2 deletions(-)
> >
> > diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
> > index d11541d4d7d7..441470ba8d2c 100644
> > --- a/tools/perf/ui/browser.c
> > +++ b/tools/perf/ui/browser.c
> > @@ -278,8 +278,8 @@ void ui_browser__hide(struct ui_browser *browser)
> > static void ui_browser__scrollbar_set(struct ui_browser *browser)
> > {
> > int height = browser->height, h = 0, pct = 0,
> > - col = browser->width,
> > - row = browser->y - 1;
> > + col = browser->width, row = 0;
> > +
> >
> > if (browser->nr_entries > 1) {
> > pct = ((browser->index * (browser->height - 1)) /
> > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> > index e0ab399d431d..5b94de48f23c 100644
> > --- a/tools/perf/ui/browsers/hists.c
> > +++ b/tools/perf/ui/browsers/hists.c
> > @@ -25,6 +25,7 @@ struct hist_browser {
> > struct map_symbol *selection;
> > int print_seq;
> > bool show_dso;
> > + bool show_column_header;
> > float min_pcnt;
> > u64 nr_pcnt_entries;
> > };
> > @@ -312,6 +313,57 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser)
> >
> > static void hist_browser__update_pcnt_entries(struct hist_browser *hb);
> >
> > +static void hist_browser__column_header(struct hist_browser *browser)
> > +{
> > + struct perf_hpp_fmt *fmt;
> > + struct sort_entry *se;
> > + struct hists *hists = browser->hists;
> > + bool show = browser->show_column_header;
> > + unsigned int width;
> > +
> > + pthread_mutex_lock(&ui__lock);
> > +
> > + if (!show)
> > + goto out;
> > +
> > + ui_browser__gotorc(&browser->b, 0, 0);
> > +
> > + perf_hpp__for_each_format(fmt) {
> > + char buf[128];
> > + struct perf_hpp hpp = {
> > + .buf = buf,
> > + .size = sizeof(buf),
> > + .ptr = hists_to_evsel(hists),
> > + };
> > +
> > + width = fmt->width(fmt, &hpp);
> > + fmt->header(fmt, &hpp);
> > +
> > + slsmg_printf(" %-*s", width, hpp.buf);
> > + }
> > +
> > + list_for_each_entry(se, &hist_entry__sort_list, list) {
> > + if (se->elide)
> > + continue;
> > +
> > + width = strlen(se->se_header);
> > + if (!hists__new_col_len(hists, se->se_width_idx, width))
> > + width = hists__col_len(hists, se->se_width_idx);
> > +
> > + slsmg_printf(" %-*s", width, se->se_header);
> > + }
> > +
> > + /*
> > + * We just called ui_browser__refresh_dimensions().
> > + * Update it to honor a new column header line.
> > + */
> > + browser->b.y++;
> > + browser->b.height--;
> > +
> > +out:
> > + pthread_mutex_unlock(&ui__lock);
> > +}
> > +
> > static int hist_browser__run(struct hist_browser *browser, const char *ev_name,
> > struct hist_browser_timer *hbt)
> > {
> > @@ -331,6 +383,8 @@ static int hist_browser__run(struct hist_browser *browser, const char *ev_name,
> > "Press '?' for help on key bindings") < 0)
> > return -1;
> >
> > + hist_browser__column_header(browser);
> > +
> > while (1) {
> > key = ui_browser__run(&browser->b, delay_secs);
> >
> > @@ -1198,6 +1252,7 @@ static struct hist_browser *hist_browser__new(struct hists *hists)
> > browser->b.refresh = hist_browser__refresh;
> > browser->b.seek = ui_browser__hists_seek;
> > browser->b.use_navkeypressed = true;
> > + browser->show_column_header = true;
> > }
> >
> > return browser;
> > --
> > 1.7.11.7
> >


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