Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1335450

[PATCH v6 19/25] perf hists browser: Support collapsing/expanding whole entries in hierarchy

From Namhyung Kim <namhyung@kernel.org>
Newsgroups linux.kernel
Subject [PATCH v6 19/25] perf hists browser: Support collapsing/expanding whole entries in hierarchy
Date 2016-02-16 15:20 +0100
Message-ID <r2ODW-vy-61@gated-at.bofh.it> (permalink)
References <r2ODT-vy-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


The 'C' and 'E' keys are to collapse/expand all hist entries.  Update
nr_hierarchy_entries properly in this case.

Acked-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/ui/browsers/hists.c | 58 ++++++++++++++++++++++++++++++++++--------
 1 file changed, 48 insertions(+), 10 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index de1d6f0df8a7..857b9beb0aab 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -484,13 +484,38 @@ static int callchain__set_folding(struct rb_root *chain, bool unfold)
 	return n;
 }
 
-static void hist_entry__set_folding(struct hist_entry *he, bool unfold)
+static int hierarchy_set_folding(struct hist_browser *hb, struct hist_entry *he,
+				 bool unfold __maybe_unused)
+{
+	float percent;
+	struct rb_node *nd;
+	struct hist_entry *child;
+	int n = 0;
+
+	for (nd = rb_first(&he->hroot_out); nd; nd = rb_next(nd)) {
+		child = rb_entry(nd, struct hist_entry, rb_node);
+		percent = hist_entry__get_percent_limit(child);
+		if (!child->filtered && percent >= hb->min_pcnt)
+			n++;
+	}
+
+	return n;
+}
+
+static void hist_entry__set_folding(struct hist_entry *he,
+				    struct hist_browser *hb, bool unfold)
 {
 	hist_entry__init_have_children(he);
 	he->unfolded = unfold ? he->has_children : false;
 
 	if (he->has_children) {
-		int n = callchain__set_folding(&he->sorted_chain, unfold);
+		int n;
+
+		if (he->leaf)
+			n = callchain__set_folding(&he->sorted_chain, unfold);
+		else
+			n = hierarchy_set_folding(hb, he, unfold);
+
 		he->nr_rows = unfold ? n : 0;
 	} else
 		he->nr_rows = 0;
@@ -500,19 +525,32 @@ static void
 __hist_browser__set_folding(struct hist_browser *browser, bool unfold)
 {
 	struct rb_node *nd;
-	struct hists *hists = browser->hists;
+	struct hist_entry *he;
+	double percent;
 
-	for (nd = rb_first(&hists->entries);
-	     (nd = hists__filter_entries(nd, 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);
-		browser->nr_callchain_rows += he->nr_rows;
+	nd = rb_first(&browser->hists->entries);
+	while (nd) {
+		he = rb_entry(nd, struct hist_entry, rb_node);
+
+		/* set folding state even if it's currently folded */
+		nd = __rb_hierarchy_next(nd, HMD_FORCE_CHILD);
+
+		hist_entry__set_folding(he, browser, unfold);
+
+		percent = hist_entry__get_percent_limit(he);
+		if (he->filtered || percent < browser->min_pcnt)
+			continue;
+
+		if (!he->depth || unfold)
+			browser->nr_hierarchy_entries++;
+		if (he->leaf)
+			browser->nr_callchain_rows += he->nr_rows;
 	}
 }
 
 static void hist_browser__set_folding(struct hist_browser *browser, bool unfold)
 {
+	browser->nr_hierarchy_entries = 0;
 	browser->nr_callchain_rows = 0;
 	__hist_browser__set_folding(browser, unfold);
 
@@ -2131,7 +2169,7 @@ static void hist_browser__update_percent_limit(struct hist_browser *hb,
 
 		/* force to re-evaluate folding state of callchains */
 		he->init_have_children = false;
-		hist_entry__set_folding(he, false);
+		hist_entry__set_folding(he, hb, false);
 
 		nd = rb_next(nd);
 	}
-- 
2.7.1

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCHSET 00/25] perf tools: Add support for hierachy view (v6) Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
  [PATCH v6 23/25] perf report: Add --hierarchy option Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
  [PATCH v6 24/25] perf hists: Support decaying in hierarchy mode Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
  [PATCH v6 14/25] perf hists: Resort after filtering hierarchy Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
  [PATCH v6 05/25] perf callchain: Check return value of split_add_child() Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    [tip:perf/core] perf callchain:   Check return value of split_add_child() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2016-02-20 12:50 +0100
  [PATCH v6 13/25] perf hists: Support filtering in hierarchy mode Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
  [PATCH v6 04/25] perf callchain: Add enum match_result for match_chain() Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    [tip:perf/core] perf callchain:   Add enum match_result for match_chain() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2016-02-20 12:50 +0100
  [PATCH v6 21/25] perf hists browser: Align column header in hierarchy mode Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
  [PATCH v6 03/25] perf callchain: Check return value of fill_node() Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    [tip:perf/core] perf callchain: Check return value of fill_node() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2016-02-20 12:50 +0100
  [PATCH v6 02/25] perf callchain: Check return value of add_child() Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    [tip:perf/core] perf callchain: Check return value of add_child() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2016-02-20 12:50 +0100
  [PATCH v6 25/25] perf top: Add --hierarchy option Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    Re: [PATCH v6 25/25] perf top: Add --hierarchy option Jiri Olsa <jolsa@redhat.com> - 2016-02-21 00:20 +0100
      Re: [PATCH v6 25/25] perf top: Add --hierarchy option Namhyung Kim <namhyung@kernel.org> - 2016-02-21 19:20 +0100
  [PATCH v6 16/25] perf ui/stdio: Implement hierarchy output mode Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    Re: [PATCH v6 16/25] perf ui/stdio: Implement hierarchy output mode Jiri Olsa <jolsa@redhat.com> - 2016-02-21 00:20 +0100
      Re: [PATCH v6 16/25] perf ui/stdio: Implement hierarchy output mode Namhyung Kim <namhyung@kernel.org> - 2016-02-21 19:10 +0100
  [PATCH v6 09/25] perf hists: Basic support of hierarchical report view Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    Re: [PATCH v6 09/25] perf hists: Basic support of hierarchical  report view Jiri Olsa <jolsa@redhat.com> - 2016-02-21 00:20 +0100
      Re: [PATCH v6 09/25] perf hists: Basic support of hierarchical  report view Namhyung Kim <namhyung@kernel.org> - 2016-02-21 21:00 +0100
  [PATCH v6 20/25] perf hists browser: Implement hierarchy output Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    Re: [PATCH v6 20/25] perf hists browser: Implement hierarchy output Jiri Olsa <jolsa@redhat.com> - 2016-02-21 00:20 +0100
  [PATCH v6 19/25] perf hists browser: Support collapsing/expanding whole entries in hierarchy Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
  [PATCH v6 08/25] perf report: Check error during report__collapse_hists() Namhyung Kim <namhyung@kernel.org> - 2016-02-16 15:20 +0100
    [tip:perf/core] perf report:   Check error during report__collapse_hists() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2016-02-20 12:50 +0100

csiph-web