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authorChangbin Du <[email protected]>2023-04-26 11:22:46 +0800
committerArnaldo Carvalho de Melo <[email protected]>2023-05-02 08:36:14 -0300
commitc31380140f11195abb5b5f576355f886d32afd1c (patch)
tree11594a217510b2b348fa89da698b5a9f49fe5832
parent69b0e112612be9e325ea682263d895f3c675772f (diff)
perf unwind: Suppress massive unsupported target platform errors
When cross-analyzing perf data recorded on an another platform, massive unsupported target platform errors are printed. So let's show this message as warning and only once. Signed-off-by: Changbin Du <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Hui Wang <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/perf/util/unwind-libunwind.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index b54968e6a4e4..375d23d9a590 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -56,7 +56,7 @@ int unwind__prepare_access(struct maps *maps, struct map *map, bool *initialized
}
if (!ops) {
- pr_err("unwind: target platform=%s is not supported\n", arch);
+ pr_warning_once("unwind: target platform=%s is not supported\n", arch);
return 0;
}
out_register: