[tip:perf/core] perf ui browser: Add vprintf() method

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  c52202434de2bd3e0c447c6dce992266fd7fc589
Gitweb:     https://git.kernel.org/tip/c52202434de2bd3e0c447c6dce992266fd7fc589
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Thu, 15 Mar 2018 17:52:53 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 20 Mar 2018 13:19:30 -0300

perf ui browser: Add vprintf() method

We'll need it for some callbacks for the upcoming
annotation__line_print() routines.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: https://lkml.kernel.org/n/tip-t3qiobj4ua38xzsq8cyw9ky5@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/ui/browser.c | 7 ++++++-
 tools/perf/ui/browser.h | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index 63399af3049f..33c30325885f 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -56,12 +56,17 @@ void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const
 	slsmg_write_nstring(msg, width);
 }
 
+void ui_browser__vprintf(struct ui_browser *browser __maybe_unused, const char *fmt, va_list args)
+{
+	slsmg_vprintf(fmt, args);
+}
+
 void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
-	slsmg_vprintf(fmt, args);
+	ui_browser__vprintf(browser, fmt, args);
 	va_end(args);
 }
 
diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index 03e1734412b9..9e69c6a43514 100644
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -3,6 +3,7 @@
 #define _PERF_UI_BROWSER_H_ 1
 
 #include <linux/types.h>
+#include <stdarg.h>
 
 #define HE_COLORSET_TOP		50
 #define HE_COLORSET_MEDIUM	51
@@ -40,6 +41,7 @@ void ui_browser__reset_index(struct ui_browser *browser);
 void ui_browser__gotorc(struct ui_browser *browser, int y, int x);
 void ui_browser__write_nstring(struct ui_browser *browser, const char *msg,
 			       unsigned int width);
+void ui_browser__vprintf(struct ui_browser *browser, const char *fmt, va_list args);
 void ui_browser__printf(struct ui_browser *browser, const char *fmt, ...);
 void ui_browser__write_graph(struct ui_browser *browser, int graph);
 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,