1 files changed, 140 insertions, 93 deletions

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 7ec871af3f6..1c331b934ff 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -26,13 +26,36 @@ struct hist_browser {
 	int		     print_seq;
 	bool		     show_dso;
 	float		     min_pcnt;
-	u64		     nr_pcnt_entries;
+	u64		     nr_non_filtered_entries;
+	u64		     nr_callchain_rows;
 };
 
 extern void hist_browser__init_hpp(void);
 
 static int hists__browser_title(struct hists *hists, char *bf, size_t size,
 				const char *ev_name);
+static void hist_browser__update_nr_entries(struct hist_browser *hb);
+
+static struct rb_node *hists__filter_entries(struct rb_node *nd,
+					     struct hists *hists,
+					     float min_pcnt);
+
+static bool hist_browser__has_filter(struct hist_browser *hb)
+{
+	return hists__has_filter(hb->hists) || hb->min_pcnt;
+}
+
+static u32 hist_browser__nr_entries(struct hist_browser *hb)
+{
+	u32 nr_entries;
+
+	if (hist_browser__has_filter(hb))
+		nr_entries = hb->nr_non_filtered_entries;
+	else
+		nr_entries = hb->hists->nr_entries;
+
+	return nr_entries + hb->nr_callchain_rows;
+}
 
 static void hist_browser__refresh_dimensions(struct hist_browser *browser)
 {
@@ -43,7 +66,14 @@ static void hist_browser__refresh_dimensions(struct hist_browser *browser)
 
 static void hist_browser__reset(struct hist_browser *browser)
 {
-	browser->b.nr_entries = browser->hists->nr_entries;
+	/*
+	 * The hists__remove_entry_filter() already folds non-filtered
+	 * entries so we can assume it has 0 callchain rows.
+	 */
+	browser->nr_callchain_rows = 0;
+
+	hist_browser__update_nr_entries(browser);
+	browser->b.nr_entries = hist_browser__nr_entries(browser);
 	hist_browser__refresh_dimensions(browser);
 	ui_browser__reset_index(&browser->b);
 }
@@ -198,14 +228,16 @@ static bool hist_browser__toggle_fold(struct hist_browser *browser)
 		struct hist_entry *he = browser->he_selection;
 
 		hist_entry__init_have_children(he);
-		browser->hists->nr_entries -= he->nr_rows;
+		browser->b.nr_entries -= he->nr_rows;
+		browser->nr_callchain_rows -= he->nr_rows;
 
 		if (he->ms.unfolded)
 			he->nr_rows = callchain__count_rows(&he->sorted_chain);
 		else
 			he->nr_rows = 0;
-		browser->hists->nr_entries += he->nr_rows;
-		browser->b.nr_entries = browser->hists->nr_entries;
+
+		browser->b.nr_entries += he->nr_rows;
+		browser->nr_callchain_rows += he->nr_rows;
 
 		return true;
 	}
@@ -280,23 +312,27 @@ static void hist_entry__set_folding(struct hist_entry *he, bool unfold)
 		he->nr_rows = 0;
 }
 
-static void hists__set_folding(struct hists *hists, bool unfold)
+static void
+__hist_browser__set_folding(struct hist_browser *browser, bool unfold)
 {
 	struct rb_node *nd;
+	struct hists *hists = browser->hists;
 
-	hists->nr_entries = 0;
-
-	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
+	for (nd = rb_first(&hists->entries);
+	     (nd = hists__filter_entries(nd, hists, browser->min_pcnt)) != NULL;
+	     nd = rb_next(nd)) {
 		struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
 		hist_entry__set_folding(he, unfold);
-		hists->nr_entries += 1 + he->nr_rows;
+		browser->nr_callchain_rows += he->nr_rows;
 	}
 }
 
 static void hist_browser__set_folding(struct hist_browser *browser, bool unfold)
 {
-	hists__set_folding(browser->hists, unfold);
-	browser->b.nr_entries = browser->hists->nr_entries;
+	browser->nr_callchain_rows = 0;
+	__hist_browser__set_folding(browser, unfold);
+
+	browser->b.nr_entries = hist_browser__nr_entries(browser);
 	/* Go to the start, we may be way after valid entries after a collapse */
 	ui_browser__reset_index(&browser->b);
 }
@@ -310,8 +346,6 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser)
 		"Or reduce the sampling frequency.");
 }
 
-static void hist_browser__update_pcnt_entries(struct hist_browser *hb);
-
 static int hist_browser__run(struct hist_browser *browser, const char *ev_name,
 			     struct hist_browser_timer *hbt)
 {
@@ -320,9 +354,7 @@ static int hist_browser__run(struct hist_browser *browser, const char *ev_name,
 	int delay_secs = hbt ? hbt->refresh : 0;
 
 	browser->b.entries = &browser->hists->entries;
-	browser->b.nr_entries = browser->hists->nr_entries;
-	if (browser->min_pcnt)
-		browser->b.nr_entries = browser->nr_pcnt_entries;
+	browser->b.nr_entries = hist_browser__nr_entries(browser);
 
 	hist_browser__refresh_dimensions(browser);
 	hists__browser_title(browser->hists, title, sizeof(title), ev_name);
@@ -339,13 +371,10 @@ static int hist_browser__run(struct hist_browser *browser, const char *ev_name,
 			u64 nr_entries;
 			hbt->timer(hbt->arg);
 
-			if (browser->min_pcnt) {
-				hist_browser__update_pcnt_entries(browser);
-				nr_entries = browser->nr_pcnt_entries;
-			} else {
-				nr_entries = browser->hists->nr_entries;
-			}
+			if (hist_browser__has_filter(browser))
+				hist_browser__update_nr_entries(browser);
 
+			nr_entries = hist_browser__nr_entries(browser);
 			ui_browser__update_nr_entries(&browser->b, nr_entries);
 
 			if (browser->hists->stats.nr_lost_warned !=
@@ -587,35 +616,6 @@ struct hpp_arg {
 	bool current_entry;
 };
 
-static int __hpp__overhead_callback(struct perf_hpp *hpp, bool front)
-{
-	struct hpp_arg *arg = hpp->ptr;
-
-	if (arg->current_entry && arg->b->navkeypressed)
-		ui_browser__set_color(arg->b, HE_COLORSET_SELECTED);
-	else
-		ui_browser__set_color(arg->b, HE_COLORSET_NORMAL);
-
-	if (front) {
-		if (!symbol_conf.use_callchain)
-			return 0;
-
-		slsmg_printf("%c ", arg->folded_sign);
-		return 2;
-	}
-
-	return 0;
-}
-
-static int __hpp__color_callback(struct perf_hpp *hpp, bool front __maybe_unused)
-{
-	struct hpp_arg *arg = hpp->ptr;
-
-	if (!arg->current_entry || !arg->b->navkeypressed)
-		ui_browser__set_color(arg->b, HE_COLORSET_NORMAL);
-	return 0;
-}
-
 static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
 {
 	struct hpp_arg *arg = hpp->ptr;
@@ -636,7 +636,7 @@ static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
 	return ret;
 }
 
-#define __HPP_COLOR_PERCENT_FN(_type, _field, _cb)			\
+#define __HPP_COLOR_PERCENT_FN(_type, _field)				\
 static u64 __hpp_get_##_field(struct hist_entry *he)			\
 {									\
 	return he->stat._field;						\
@@ -647,22 +647,20 @@ hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,\
 				struct perf_hpp *hpp,			\
 				struct hist_entry *he)			\
 {									\
-	return __hpp__fmt(hpp, he, __hpp_get_##_field, _cb, " %6.2f%%",	\
+	return __hpp__fmt(hpp, he, __hpp_get_##_field, " %6.2f%%",	\
 			  __hpp__slsmg_color_printf, true);		\
 }
 
-__HPP_COLOR_PERCENT_FN(overhead, period, __hpp__overhead_callback)
-__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys, __hpp__color_callback)
-__HPP_COLOR_PERCENT_FN(overhead_us, period_us, __hpp__color_callback)
-__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys, __hpp__color_callback)
-__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us, __hpp__color_callback)
+__HPP_COLOR_PERCENT_FN(overhead, period)
+__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
+__HPP_COLOR_PERCENT_FN(overhead_us, period_us)
+__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
+__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
 
 #undef __HPP_COLOR_PERCENT_FN
 
 void hist_browser__init_hpp(void)
 {
-	perf_hpp__init();
-
 	perf_hpp__format[PERF_HPP__OVERHEAD].color =
 				hist_browser__hpp_color_overhead;
 	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
@@ -700,7 +698,7 @@ static int hist_browser__show_entry(struct hist_browser *browser,
 
 	if (row_offset == 0) {
 		struct hpp_arg arg = {
-			.b 		= &browser->b,
+			.b		= &browser->b,
 			.folded_sign	= folded_sign,
 			.current_entry	= current_entry,
 		};
@@ -713,11 +711,27 @@ static int hist_browser__show_entry(struct hist_browser *browser,
 		ui_browser__gotorc(&browser->b, row, 0);
 
 		perf_hpp__for_each_format(fmt) {
-			if (!first) {
+			if (perf_hpp__should_skip(fmt))
+				continue;
+
+			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);
+			}
+
+			if (first) {
+				if (symbol_conf.use_callchain) {
+					slsmg_printf("%c ", folded_sign);
+					width -= 2;
+				}
+				first = false;
+			} else {
 				slsmg_printf("  ");
 				width -= 2;
 			}
-			first = false;
 
 			if (fmt->color) {
 				width -= fmt->color(fmt, &hpp, entry);
@@ -731,8 +745,8 @@ static int hist_browser__show_entry(struct hist_browser *browser,
 		if (!browser->b.navkeypressed)
 			width += 1;
 
-		hist_entry__sort_snprintf(entry, s, sizeof(s), browser->hists);
-		slsmg_write_nstring(s, width);
+		slsmg_write_nstring("", width);
+
 		++row;
 		++printed;
 	} else
@@ -769,12 +783,15 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
 
 	for (nd = browser->top; nd; nd = rb_next(nd)) {
 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
-		float percent = h->stat.period * 100.0 /
-					hb->hists->stats.total_period;
+		u64 total = hists__total_period(h->hists);
+		float percent = 0.0;
 
 		if (h->filtered)
 			continue;
 
+		if (total)
+			percent = h->stat.period * 100.0 / total;
+
 		if (percent < hb->min_pcnt)
 			continue;
 
@@ -792,13 +809,13 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd,
 {
 	while (nd != NULL) {
 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
-		float percent = h->stat.period * 100.0 /
-					hists->stats.total_period;
+		u64 total = hists__total_period(hists);
+		float percent = 0.0;
 
-		if (percent < min_pcnt)
-			return NULL;
+		if (total)
+			percent = h->stat.period * 100.0 / total;
 
-		if (!h->filtered)
+		if (!h->filtered && percent >= min_pcnt)
 			return nd;
 
 		nd = rb_next(nd);
@@ -813,8 +830,11 @@ static struct rb_node *hists__filter_prev_entries(struct rb_node *nd,
 {
 	while (nd != NULL) {
 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
-		float percent = h->stat.period * 100.0 /
-					hists->stats.total_period;
+		u64 total = hists__total_period(hists);
+		float percent = 0.0;
+
+		if (total)
+			percent = h->stat.period * 100.0 / total;
 
 		if (!h->filtered && percent >= min_pcnt)
 			return nd;
@@ -1066,27 +1086,35 @@ static int hist_browser__fprintf_entry(struct hist_browser *browser,
 				       struct hist_entry *he, FILE *fp)
 {
 	char s[8192];
-	double percent;
 	int printed = 0;
 	char folded_sign = ' ';
+	struct perf_hpp hpp = {
+		.buf = s,
+		.size = sizeof(s),
+	};
+	struct perf_hpp_fmt *fmt;
+	bool first = true;
+	int ret;
 
 	if (symbol_conf.use_callchain)
 		folded_sign = hist_entry__folded(he);
 
-	hist_entry__sort_snprintf(he, s, sizeof(s), browser->hists);
-	percent = (he->stat.period * 100.0) / browser->hists->stats.total_period;
-
 	if (symbol_conf.use_callchain)
 		printed += fprintf(fp, "%c ", folded_sign);
 
-	printed += fprintf(fp, " %5.2f%%", percent);
-
-	if (symbol_conf.show_nr_samples)
-		printed += fprintf(fp, " %11u", he->stat.nr_events);
+	perf_hpp__for_each_format(fmt) {
+		if (perf_hpp__should_skip(fmt))
+			continue;
 
-	if (symbol_conf.show_total_period)
-		printed += fprintf(fp, " %12" PRIu64, he->stat.period);
+		if (!first) {
+			ret = scnprintf(hpp.buf, hpp.size, "  ");
+			advance_hpp(&hpp, ret);
+		} else
+			first = false;
 
+		ret = fmt->entry(fmt, &hpp, he);
+		advance_hpp(&hpp, ret);
+	}
 	printed += fprintf(fp, "%s\n", rtrim(s));
 
 	if (folded_sign == '-')
@@ -1189,6 +1217,11 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size,
 	char buf[512];
 	size_t buflen = sizeof(buf);
 
+	if (symbol_conf.filter_relative) {
+		nr_samples = hists->stats.nr_non_filtered_samples;
+		nr_events = hists->stats.total_non_filtered_period;
+	}
+
 	if (perf_evsel__is_group_event(evsel)) {
 		struct perf_evsel *pos;
 
@@ -1196,8 +1229,13 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size,
 		ev_name = buf;
 
 		for_each_group_member(pos, evsel) {
-			nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
-			nr_events += pos->hists.stats.total_period;
+			if (symbol_conf.filter_relative) {
+				nr_samples += pos->hists.stats.nr_non_filtered_samples;
+				nr_events += pos->hists.stats.total_non_filtered_period;
+			} else {
+				nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+				nr_events += pos->hists.stats.total_period;
+			}
 		}
 	}
 
@@ -1324,18 +1362,23 @@ close_file_and_continue:
 	return ret;
 }
 
-static void hist_browser__update_pcnt_entries(struct hist_browser *hb)
+static void hist_browser__update_nr_entries(struct hist_browser *hb)
 {
 	u64 nr_entries = 0;
 	struct rb_node *nd = rb_first(&hb->hists->entries);
 
-	while (nd) {
+	if (hb->min_pcnt == 0) {
+		hb->nr_non_filtered_entries = hb->hists->nr_non_filtered_entries;
+		return;
+	}
+
+	while ((nd = hists__filter_entries(nd, hb->hists,
+					   hb->min_pcnt)) != NULL) {
 		nr_entries++;
-		nd = hists__filter_entries(rb_next(nd), hb->hists,
-					   hb->min_pcnt);
+		nd = rb_next(nd);
 	}
 
-	hb->nr_pcnt_entries = nr_entries;
+	hb->nr_non_filtered_entries = nr_entries;
 }
 
 static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
@@ -1370,6 +1413,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 	"C             Collapse all callchains\n"			\
 	"d             Zoom into current DSO\n"				\
 	"E             Expand all callchains\n"				\
+	"F             Toggle percentage of filtered entries\n"		\
 
 	/* help messages are sorted by lexical order of the hotkey */
 	const char report_help[] = HIST_BROWSER_HELP_COMMON
@@ -1391,7 +1435,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 
 	if (min_pcnt) {
 		browser->min_pcnt = min_pcnt;
-		hist_browser__update_pcnt_entries(browser);
+		hist_browser__update_nr_entries(browser);
 	}
 
 	fstack = pstack__new(2);
@@ -1475,6 +1519,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 			if (env->arch)
 				tui__header_window(env);
 			continue;
+		case 'F':
+			symbol_conf.filter_relative ^= 1;
+			continue;
 		case K_F1:
 		case 'h':
 		case '?':