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authorLi Huafei <lihuafei1@huawei.com>2021-07-26 20:38:54 +0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-08-02 09:56:18 -0300
commitc4db54be9bc00f9f6883de798de99744b30ed461 (patch)
treebab865ca455987f388da403369fee444ced9b84f /tools/perf/util
parent4502da0efbdd3119fb94a491fa90c6d761bbed92 (diff)
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perf annotate: Add error log in symbol__annotate()
When users use 'perf annotate' on unsupported machines, error logs should be printed for user feedback. Signed-off-by: Li Huafei <lihuafei1@huawei.com> Reviewed-by: James Clark <james.clark@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Dengcheng Zhu <dzhu@wavecomp.com> Cc: Ian Rogers <irogers@google.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Martin Liška <mliska@suse.cz> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Zhang Jinhao <zhangjinhao2@huawei.com> Link: http://lore.kernel.org/lkml/20210726123854.13463-2-lihuafei1@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/annotate.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index aa04a3655236..cb280de3369f 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2192,8 +2192,10 @@ int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
return errno;
args.arch = arch = arch__find(arch_name);
- if (arch == NULL)
+ if (arch == NULL) {
+ pr_err("%s: unsupported arch %s\n", __func__, arch_name);
return ENOTSUP;
+ }
if (parch)
*parch = arch;