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perf tools: Add WARN_ONCE equivalent for UI warnings

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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>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20210729155805.2830-2-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
James Clark 2021-07-29 16:58:00 +01:00 committed by Arnaldo Carvalho de Melo
parent ec02f2b134
commit 1094795eb9
1 changed files with 14 additions and 0 deletions
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14
tools/perf/util/debug.h
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@ -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, ...);