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[tip:perf/core] perf hists: Introduce struct perf_hpp_list

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  [tip:perf/core] perf hists: Introduce struct perf_hpp_list tip-bot for Jiri Olsa <tipbot@zytor.com> - 2016-02-04 13:40 +0100

#1326745 — [tip:perf/core] perf hists: Introduce struct perf_hpp_list

Commit-ID:  7c31e10266bd18de163d5c60899591c0540bb002
Gitweb:     http://git.kernel.org/tip/7c31e10266bd18de163d5c60899591c0540bb002
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Mon, 18 Jan 2016 10:24:12 +0100
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 3 Feb 2016 12:24:10 -0300

perf hists: Introduce struct perf_hpp_list

Gather output and sort lists under struct perf_hpp_list, so we could
have multiple instancies of sort/output format entries.

Replacing current perf_hpp__list and perf_hpp__sort_list lists with
single perf_hpp_list instance.

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/1453109064-1026-15-git-send-email-jolsa@kernel.org
[ Renamed fields to .{fields,sorts} as suggested by Namhyung and acked by Jiri ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/ui/hist.c   | 11 ++++++-----
 tools/perf/util/hist.h | 16 ++++++++++------
 2 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 2cd1a03..74dbeac 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -436,9 +436,10 @@ struct perf_hpp_fmt perf_hpp__format[] = {
 	HPP__PRINT_FNS("Period", period, PERIOD)
 };
 
-LIST_HEAD(perf_hpp__list);
-LIST_HEAD(perf_hpp__sort_list);
-
+struct perf_hpp_list perf_hpp_list = {
+	.fields	= LIST_HEAD_INIT(perf_hpp_list.fields),
+	.sorts	= LIST_HEAD_INIT(perf_hpp_list.sorts),
+};
 
 #undef HPP__COLOR_PRINT_FNS
 #undef HPP__COLOR_ACC_PRINT_FNS
@@ -506,7 +507,7 @@ void perf_hpp__init(void)
 
 void perf_hpp__column_register(struct perf_hpp_fmt *format)
 {
-	list_add_tail(&format->list, &perf_hpp__list);
+	list_add_tail(&format->list, &perf_hpp_list.fields);
 }
 
 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
@@ -516,7 +517,7 @@ void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
 
 void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
 {
-	list_add_tail(&format->sort_list, &perf_hpp__sort_list);
+	list_add_tail(&format->sort_list, &perf_hpp_list.sorts);
 }
 
 void perf_hpp__cancel_cumulate(void)
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index f3bcf2d..203397a 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -226,20 +226,24 @@ struct perf_hpp_fmt {
 	int idx;
 };
 
-extern struct list_head perf_hpp__list;
-extern struct list_head perf_hpp__sort_list;
+struct perf_hpp_list {
+	struct list_head fields;
+	struct list_head sorts;
+};
+
+extern struct perf_hpp_list perf_hpp_list;
 
 #define perf_hpp__for_each_format(format) \
-	list_for_each_entry(format, &perf_hpp__list, list)
+	list_for_each_entry(format, &perf_hpp_list.fields, list)
 
 #define perf_hpp__for_each_format_safe(format, tmp)	\
-	list_for_each_entry_safe(format, tmp, &perf_hpp__list, list)
+	list_for_each_entry_safe(format, tmp, &perf_hpp_list.fields, list)
 
 #define perf_hpp__for_each_sort_list(format) \
-	list_for_each_entry(format, &perf_hpp__sort_list, sort_list)
+	list_for_each_entry(format, &perf_hpp_list.sorts, sort_list)
 
 #define perf_hpp__for_each_sort_list_safe(format, tmp)	\
-	list_for_each_entry_safe(format, tmp, &perf_hpp__sort_list, sort_list)
+	list_for_each_entry_safe(format, tmp, &perf_hpp_list.sorts, sort_list)
 
 extern struct perf_hpp_fmt perf_hpp__format[];
 

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