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Groups > linux.kernel > #1325664

[PATCH 12/29] perf hists: Properly release format fields

From Arnaldo Carvalho de Melo <acme@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 12/29] perf hists: Properly release format fields
Date 2016-02-03 17:50 +0100
Message-ID <qY8MY-4sb-53@gated-at.bofh.it> (permalink)
References <qY8Dg-4ol-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Jiri Olsa <jolsa@kernel.org>

With multiple list holding format entries, we need the support properly
releasing format output/sort fields.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1453109064-1026-12-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/ui/hist.c   |  8 ++++++++
 tools/perf/util/hist.h |  1 +
 tools/perf/util/sort.c | 24 ++++++++++++++++++++++++
 3 files changed, 33 insertions(+)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 80d63a997287..2cd1a03bf375 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -583,6 +583,12 @@ next:
 	}
 }
 
+static void fmt_free(struct perf_hpp_fmt *fmt)
+{
+	if (fmt->free)
+		fmt->free(fmt);
+}
+
 void perf_hpp__reset_output_field(void)
 {
 	struct perf_hpp_fmt *fmt, *tmp;
@@ -591,12 +597,14 @@ void perf_hpp__reset_output_field(void)
 	perf_hpp__for_each_format_safe(fmt, tmp) {
 		list_del_init(&fmt->list);
 		list_del_init(&fmt->sort_list);
+		fmt_free(fmt);
 	}
 
 	/* reset sort keys */
 	perf_hpp__for_each_sort_list_safe(fmt, tmp) {
 		list_del_init(&fmt->list);
 		list_del_init(&fmt->sort_list);
+		fmt_free(fmt);
 	}
 }
 
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 1f9e21dd53f3..f3bcf2d38733 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -216,6 +216,7 @@ struct perf_hpp_fmt {
 	int64_t (*sort)(struct perf_hpp_fmt *fmt,
 			struct hist_entry *a, struct hist_entry *b);
 	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
+	void (*free)(struct perf_hpp_fmt *fmt);
 
 	struct list_head list;
 	struct list_head sort_list;
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 52e4a3674985..b5389a54356d 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1545,6 +1545,14 @@ static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 	return hse_a->se == hse_b->se;
 }
 
+static void hse_free(struct perf_hpp_fmt *fmt)
+{
+	struct hpp_sort_entry *hse;
+
+	hse = container_of(fmt, struct hpp_sort_entry, hpp);
+	free(hse);
+}
+
 static struct hpp_sort_entry *
 __sort_dimension__alloc_hpp(struct sort_dimension *sd)
 {
@@ -1567,6 +1575,7 @@ __sort_dimension__alloc_hpp(struct sort_dimension *sd)
 	hse->hpp.collapse = __sort__hpp_collapse;
 	hse->hpp.sort = __sort__hpp_sort;
 	hse->hpp.equal = __sort__hpp_equal;
+	hse->hpp.free = hse_free;
 
 	INIT_LIST_HEAD(&hse->hpp.list);
 	INIT_LIST_HEAD(&hse->hpp.sort_list);
@@ -1577,6 +1586,11 @@ __sort_dimension__alloc_hpp(struct sort_dimension *sd)
 	return hse;
 }
 
+static void hpp_free(struct perf_hpp_fmt *fmt)
+{
+	free(fmt);
+}
+
 static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd)
 {
 	struct perf_hpp_fmt *fmt;
@@ -1585,6 +1599,7 @@ static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd)
 	if (fmt) {
 		INIT_LIST_HEAD(&fmt->list);
 		INIT_LIST_HEAD(&fmt->sort_list);
+		fmt->free = hpp_free;
 	}
 
 	return fmt;
@@ -1818,6 +1833,14 @@ bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
 	return fmt->cmp == __sort__hde_cmp;
 }
 
+static void hde_free(struct perf_hpp_fmt *fmt)
+{
+	struct hpp_dynamic_entry *hde;
+
+	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
+	free(hde);
+}
+
 static struct hpp_dynamic_entry *
 __alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field)
 {
@@ -1842,6 +1865,7 @@ __alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field)
 	hde->hpp.cmp = __sort__hde_cmp;
 	hde->hpp.collapse = __sort__hde_cmp;
 	hde->hpp.sort = __sort__hde_cmp;
+	hde->hpp.free = hde_free;
 
 	INIT_LIST_HEAD(&hde->hpp.list);
 	INIT_LIST_HEAD(&hde->hpp.sort_list);
-- 
2.5.0

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Thread

[GIT PULL 00/29] perf/core improvements and fixes Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 25/29] perf hists: Introduce hists__for_each_format macro Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 01/29] perf hists: Factor output_resort from hists__output_resort Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 03/29] perf hists: Add _idx fields into struct perf_hpp_fmt Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 26/29] perf hists: Introduce hists__for_each_sort_list macro Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 23/29] perf hists: Add struct perf_hpp_list argument to helper functions Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 27/29] perf report: Update documentation of --sort option Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 20/29] perf hists: Introduce perf_hpp_list__for_each_format_safe macro Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 22/29] perf hists: Introduce perf_hpp_list__for_each_sort_list_safe macro Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 14/29] perf hists: Separate output fields parsing into setup_output_list function Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 02/29] perf hists: Introduce perf_evsel__output_resort function Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:40 +0100
  [PATCH 07/29] perf hists: Make hpp setup function generic Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 15/29] perf hists: Introduce struct perf_hpp_list Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 17/29] perf hists: Add perf_hpp_list register helpers Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 19/29] perf hists: Introduce perf_hpp_list__for_each_format macro Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 13/29] perf hists: Separate sort fields parsing into setup_sort_list function Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 16/29] perf hists: Introduce perf_hpp_list__init function Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 24/29] perf tools: Add hpp_list into struct hists object Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 12/29] perf hists: Properly release format fields Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 10/29] perf hists: Allocate output sort field Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 08/29] perf report: Move UI initialization ahead of sort setup Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 06/29] perf hists: Add 'hpp__equal' callback function Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 21/29] perf hists: Introduce perf_hpp_list__for_each_sort_list macro Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 04/29] perf hists: Use struct perf_hpp_fmt::idx in perf_hpp__reset_width Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 11/29] perf hists: Remove perf_hpp__column_(disable|enable) Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 17:50 +0100
  [PATCH 18/29] perf hists: Pass perf_hpp_list all the way through setup_output_list Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 18:00 +0100
  [PATCH 28/29] perf report: Update documention of --percent-limit option Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 18:00 +0100
  [PATCH 09/29] perf top: Move UI initialization ahead of sort setup Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 18:00 +0100
  [PATCH 29/29] perf hists browser: Add 'L' hotkey to change percent limit Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-03 18:00 +0100
  Re: [GIT PULL 00/29] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2016-02-04 09:00 +0100

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