lkml.org 
[lkml]   [2021]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 1/6] perf tools: Add WARN_ONCE equivalent for UI warnings
Date
Currently WARN_ONCE prints to stderr and corrupts the TUI. Add
equivalent methods for UI warnings.

Signed-off-by: James Clark <james.clark@arm.com>
---
tools/perf/util/debug.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
index 48f631966067..f99468a7f681 100644
--- a/tools/perf/util/debug.h
+++ b/tools/perf/util/debug.h
@@ -22,6 +22,13 @@ extern int debug_data_convert;
eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
#define pr_warning(fmt, ...) \
eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warning_once(fmt, ...) ({ \
+ static int __warned; \
+ if (unlikely(!__warned)) { \
+ pr_warning(fmt, ##__VA_ARGS__); \
+ __warned = 1; \
+ } \
+})
#define pr_info(fmt, ...) \
eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
#define pr_debug(fmt, ...) \
@@ -55,6 +62,13 @@ void trace_event(union perf_event *event);

int ui__error(const char *format, ...) __printf(1, 2);
int ui__warning(const char *format, ...) __printf(1, 2);
+#define ui__warning_once(format, ...) ({ \
+ static int __warned; \
+ if (unlikely(!__warned)) { \
+ ui__warning(format, ##__VA_ARGS__); \
+ __warned = 1; \
+ } \
+})

void pr_stat(const char *fmt, ...);

--
2.28.0
\
 
 \ /
  Last update: 2021-07-29 18:01    [W:0.097 / U:0.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site