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perf ui browser: Add vprintf() method

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message Mar 25, 2018 perf events

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Commit-ID:  c52202434de2bd3e0c447c6dce992266fd7fc589
Gitweb:     https://git.kernel.org/tip/c52202434de2bd3e0c447c6dce992266fd7fc589
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Thu, 15 Mar 2018 17:52:53 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
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 <[email protected]>
Cc Andi Kleen <[email protected]>
Cc David Ahern <[email protected]>
Cc Jin Yao <[email protected]>
Cc Jiri Olsa <[email protected]>
Cc Namhyung Kim <[email protected]>
Cc Wang Nan <[email protected]>
Link https://lkml.kernel.org/n/[email protected] open here
Signed-off-by Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/ui/browser.c | 7 ++++++-
 tools/perf/ui/browser.h | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)
tools/perf/ui/browser.c +6 -1
index 63399af3049f..33c30325885f 100644
@@ -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);
 }
tools/perf/ui/browser.h +2 -0
index 03e1734412b9..9e69c6a43514 100644
@@ -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,