[tip:perf/core] perf hists: Add __hist_entry__snprintf function

[tip-bot for Jiri Olsa]

Commit-ID:  9da44db1493a9d384ddc1bcd1553a1803ff985b6
Gitweb:     http://git.kernel.org/tip/9da44db1493a9d384ddc1bcd1553a1803ff985b6
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 22 Sep 2016 17:36:29 +0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 22 Sep 2016 13:08:56 -0300

perf hists: Add __hist_entry__snprintf function

Add __hist_entry__snprintf() to take a perf_hpp_list as an argument
instead of using he->hists->hpp_list.

This way we can display arbitrary list of entries regardless of the
hists setup, which will be useful in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Joe Mario <jmario@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1474558645-19956-2-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/ui/stdio/hist.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index c8dca34..189665c 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -373,7 +373,8 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
 	return 0;
 }
 
-static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
+static int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
+				  struct perf_hpp_list *hpp_list)
 {
 	const char *sep = symbol_conf.field_sep;
 	struct perf_hpp_fmt *fmt;
@@ -384,7 +385,7 @@ static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
 	if (symbol_conf.exclude_other && !he->parent)
 		return 0;
 
-	hists__for_each_format(he->hists, fmt) {
+	perf_hpp_list__for_each_format(hpp_list, fmt) {
 		if (perf_hpp__should_skip(fmt, he->hists))
 			continue;
 
@@ -410,6 +411,11 @@ static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
 	return hpp->buf - start;
 }
 
+static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
+{
+	return __hist_entry__snprintf(he, hpp, he->hists->hpp_list);
+}
+
 static int hist_entry__hierarchy_fprintf(struct hist_entry *he,
 					 struct perf_hpp *hpp,
 					 struct hists *hists,