[tip:perf/core] perf hists: Introduce perf_hpp_list__for_each_format_safe macro

[tip-bot for Jiri Olsa]

Commit-ID:  7a1799e0a276069d8b903ba17179b4983b98c04b
Gitweb:     http://git.kernel.org/tip/7a1799e0a276069d8b903ba17179b4983b98c04b
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Mon, 18 Jan 2016 10:24:18 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 3 Feb 2016 12:24:14 -0300

perf hists: Introduce perf_hpp_list__for_each_format_safe macro

Introducing perf_hpp_list__for_each_format_safe macro to iterate
perf_hpp_list object's output entries safely.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1453109064-1026-21-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/ui/hist.c   | 4 ++--
 tools/perf/util/hist.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 7b5e8ce..348706a 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -532,7 +532,7 @@ void perf_hpp__cancel_cumulate(void)
 	ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
 	acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
 
-	perf_hpp__for_each_format_safe(fmt, tmp) {
+	perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
 		if (acc->equal(acc, fmt)) {
 			perf_hpp__column_unregister(fmt);
 			continue;
@@ -597,7 +597,7 @@ void perf_hpp__reset_output_field(void)
 	struct perf_hpp_fmt *fmt, *tmp;
 
 	/* reset output fields */
-	perf_hpp__for_each_format_safe(fmt, tmp) {
+	perf_hpp_list__for_each_format_safe(&perf_hpp_list, 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 eadffca..f5b2309 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -251,8 +251,8 @@ static inline void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
 #define perf_hpp_list__for_each_format(_list, format) \
 	list_for_each_entry(format, &(_list)->fields, list)
 
-#define perf_hpp__for_each_format_safe(format, tmp)	\
-	list_for_each_entry_safe(format, tmp, &perf_hpp_list.fields, list)
+#define perf_hpp_list__for_each_format_safe(_list, format, tmp)	\
+	list_for_each_entry_safe(format, tmp, &(_list)->fields, list)
 
 #define perf_hpp__for_each_sort_list(format) \
 	list_for_each_entry(format, &perf_hpp_list.sorts, sort_list)