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| author |   Li Huafei <lihuafei1@huawei.com> | 2021-07-26 20:38:54 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-02 09:56:18 -0300 |
| commit | c4db54be9bc00f9f6883de798de99744b30ed461 (patch) | |
| tree | bab865ca455987f388da403369fee444ced9b84f /tools/perf/util/annotate.c | |
| parent | perf env: Normalize aarch64.* and arm64.* to arm64 in normalize_arch() (diff) | |
| download | linux-dev-c4db54be9bc00f9f6883de798de99744b30ed461.tar.xz linux-dev-c4db54be9bc00f9f6883de798de99744b30ed461.zip | |
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 '')
| -rw-r--r-- | tools/perf/util/annotate.c | 4 |
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; |