diff options
| author | James Clark <[email protected]> | 2021-07-29 16:58:00 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2021-08-03 17:03:18 -0300 |
| commit | 1094795eb9f2b17678d944eb38d45af8f8f67362 (patch) | |
| tree | 1014e97b793ebf1cc34bd58b97e8bda46eb98827 | |
| parent | ec02f2b134d86b4a91c5d82eed03319060718a97 (diff) | |
perf tools: Add WARN_ONCE equivalent for UI warnings
Currently WARN_ONCE prints to stderr and corrupts the TUI. Add
equivalent methods for UI warnings.
Signed-off-by: James Clark <[email protected]>
Reviewed-by: Leo Yan <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: John Garry <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Mathieu Poirier <[email protected]>
Cc: Mike Leach <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Suzuki Poulouse <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/util/debug.h | 14 |
1 files changed, 14 insertions, 0 deletions
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, ...); |