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Date:	Mon, 22 Dec 2014 12:30:04 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 05/10] perf hists: Introduce function for deleting/removing hist_entry

From: Arnaldo Carvalho de Melo <acme@...hat.com>

The code being used when decaying and deleting entries from a hists
instance was the same, provide a function to avoid code dup.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-j6ideab7lkakavfvfguw858z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/hist.c | 36 ++++++++++++++++--------------------
 1 file changed, 16 insertions(+), 20 deletions(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 9090b5fc07e0..f03854b5fb5f 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -240,6 +240,20 @@ static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
 	return he->stat.period == 0;
 }
 
+static void hists__delete_entry(struct hists *hists, struct hist_entry *he)
+{
+	rb_erase(&he->rb_node, &hists->entries);
+
+	if (sort__need_collapse)
+		rb_erase(&he->rb_node_in, &hists->entries_collapsed);
+
+	--hists->nr_entries;
+	if (!he->filtered)
+		--hists->nr_non_filtered_entries;
+
+	hist_entry__delete(he);
+}
+
 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
 {
 	struct rb_node *next = rb_first(&hists->entries);
@@ -257,16 +271,7 @@ void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
 		     (zap_kernel && n->level != '.') ||
 		     hists__decay_entry(hists, n)) &&
 		    !n->used) {
-			rb_erase(&n->rb_node, &hists->entries);
-
-			if (sort__need_collapse)
-				rb_erase(&n->rb_node_in, &hists->entries_collapsed);
-
-			--hists->nr_entries;
-			if (!n->filtered)
-				--hists->nr_non_filtered_entries;
-
-			hist_entry__delete(n);
+			hists__delete_entry(hists, n);
 		}
 	}
 }
@@ -280,16 +285,7 @@ void hists__delete_entries(struct hists *hists)
 		n = rb_entry(next, struct hist_entry, rb_node);
 		next = rb_next(&n->rb_node);
 
-		rb_erase(&n->rb_node, &hists->entries);
-
-		if (sort__need_collapse)
-			rb_erase(&n->rb_node_in, &hists->entries_collapsed);
-
-		--hists->nr_entries;
-		if (!n->filtered)
-			--hists->nr_non_filtered_entries;
-
-		hist_entry__delete(n);
+		hists__delete_entry(hists, n);
 	}
 }
 
-- 
1.9.3

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