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-rw-r--r--tools/perf/ui/browsers/hists.c99
-rw-r--r--tools/perf/util/hist.c2
-rw-r--r--tools/perf/util/sort.h1
3 files changed, 102 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 904eaa7..71c6d51 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;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index e716919..75dc41d 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1625,6 +1625,7 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h
/* force fold unfiltered entry for simplicity */
parent->unfolded = false;
+ parent->has_no_entry = false;
parent->row_offset = 0;
parent->nr_rows = 0;
next:
@@ -1637,6 +1638,7 @@ next:
/* force fold unfiltered entry for simplicity */
h->unfolded = false;
+ h->has_no_entry = false;
h->row_offset = 0;
h->nr_rows = 0;
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index a8d53ff..25a5529 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -117,6 +117,7 @@ struct hist_entry {
bool init_have_children;
bool unfolded;
bool has_children;
+ bool has_no_entry;
};
};
char *srcline;
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