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Subject[PATCH 2/2] perf annotate: Add error log in symbol__annotate()
Date
When users use the perf annotate feature on unsupported machines, error
logs should be printed for user feedback.

Signed-off-by: Li Huafei <lihuafei1@huawei.com>
---
tools/perf/util/annotate.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

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;
--
2.17.1
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