diff options
Diffstat (limited to 'tools/perf/ui/browsers/hists.c')
-rw-r--r-- | tools/perf/ui/browsers/hists.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 904eaa719eb3..71c6d510390f 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -260,6 +260,9 @@ static int hierarchy_count_rows(struct hist_browser *hb, struct hist_entry *he, if (he->leaf) return callchain__count_rows(&he->sorted_chain); + if (he->has_no_entry) + return 1; + node = rb_first(&he->hroot_out); while (node) { float percent; @@ -409,10 +412,18 @@ static bool hist_browser__toggle_fold(struct hist_browser *browser) /* account grand children */ if (symbol_conf.report_hierarchy) browser->b.nr_entries += child_rows - he->nr_rows; + + if (!he->leaf && he->nr_rows == 0) { + he->has_no_entry = true; + he->nr_rows = 1; + } } else { if (symbol_conf.report_hierarchy) browser->b.nr_entries -= child_rows - he->nr_rows; + if (he->has_no_entry) + he->has_no_entry = false; + he->nr_rows = 0; } @@ -545,6 +556,12 @@ __hist_browser__set_folding(struct hist_browser *browser, bool unfold) browser->nr_hierarchy_entries++; if (he->leaf) browser->nr_callchain_rows += he->nr_rows; + else if (unfold && !hist_entry__has_hierarchy_children(he, browser->min_pcnt)) { + browser->nr_hierarchy_entries++; + he->has_no_entry = true; + he->nr_rows = 1; + } else + he->has_no_entry = false; } } @@ -1412,6 +1429,75 @@ show_callchain: return printed; } +static int hist_browser__show_no_entry(struct hist_browser *browser, + unsigned short row, + int level, int nr_sort_keys) +{ + int width = browser->b.width; + bool current_entry = ui_browser__is_current_entry(&browser->b, row); + bool first = true; + int column = 0; + int ret; + struct perf_hpp_fmt *fmt; + + if (current_entry) { + browser->he_selection = NULL; + browser->selection = NULL; + } + + hist_browser__gotorc(browser, row, 0); + + if (current_entry && browser->b.navkeypressed) + ui_browser__set_color(&browser->b, HE_COLORSET_SELECTED); + else + ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL); + + ui_browser__write_nstring(&browser->b, "", level * HIERARCHY_INDENT); + width -= level * HIERARCHY_INDENT; + + hists__for_each_format(browser->hists, fmt) { + if (perf_hpp__should_skip(fmt, browser->hists) || + column++ < browser->b.horiz_scroll) + continue; + + if (perf_hpp__is_sort_entry(fmt) || + perf_hpp__is_dynamic_entry(fmt)) + break; + + ret = fmt->width(fmt, NULL, hists_to_evsel(browser->hists)); + + if (first) { + /* for folded sign */ + first = false; + ret++; + } else { + /* space between columns */ + ret += 2; + } + + ui_browser__write_nstring(&browser->b, "", ret); + width -= ret; + } + + ui_browser__write_nstring(&browser->b, "", nr_sort_keys * HIERARCHY_INDENT); + width -= nr_sort_keys * HIERARCHY_INDENT; + + if (column >= browser->b.horiz_scroll) { + char buf[32]; + + ret = snprintf(buf, sizeof(buf), "no entry >= %.2f%%", browser->min_pcnt); + ui_browser__printf(&browser->b, " %s", buf); + width -= ret + 2; + } + + /* The scroll bar isn't being used */ + if (!browser->b.navkeypressed) + width += 1; + + ui_browser__write_nstring(&browser->b, "", width); + return 1; +} + static int advance_hpp_check(struct perf_hpp *hpp, int inc) { advance_hpp(hpp, inc); @@ -1575,6 +1661,14 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser) row += hist_browser__show_hierarchy_entry(hb, h, row, h->depth, nr_sort); + if (row == browser->rows) + break; + + if (h->has_no_entry) { + hist_browser__show_no_entry(hb, row, h->depth, + nr_sort); + row++; + } } else { row += hist_browser__show_entry(hb, h, row); } @@ -2461,6 +2555,11 @@ static void hist_browser__update_percent_limit(struct hist_browser *hb, while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) { he = rb_entry(nd, struct hist_entry, rb_node); + if (he->has_no_entry) { + he->has_no_entry = false; + he->nr_rows = 0; + } + if (!he->leaf || !symbol_conf.use_callchain) goto next; |