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authorChangbin Du <changbin.du@huawei.com>2023-04-26 05:22:46 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-05-02 13:36:14 +0200
commitc31380140f11195abb5b5f576355f886d32afd1c (patch)
tree11594a217510b2b348fa89da698b5a9f49fe5832 /tools/perf
parentperf script: Add new parameter in kfree_skb tracepoint to the python scripts ... (diff)
downloadlinux-c31380140f11195abb5b5f576355f886d32afd1c.tar.xz
linux-c31380140f11195abb5b5f576355f886d32afd1c.zip
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 <changbin.du@huawei.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Hui Wang <hw.huiwang@huawei.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20230426032246.3608596-1-changbin.du@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-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: