Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH/RFC] perf ui/tui: Show column header in hist browser | Date | Wed, 15 Jan 2014 14:08:45 +0900 |
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Add a line for showing column headers like --stdio.
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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