From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Changbin Du <changbin.du@huawei.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
Hui Wang <hw.huiwang@huawei.com>
Subject: Re: [PATCH] perf: unwind: suppress massive unsupported target platform errors
Date: Fri, 28 Apr 2023 22:53:23 -0300 [thread overview]
Message-ID: <ZEx4k+tl6HPH3fsx@kernel.org> (raw)
In-Reply-To: <20230426032246.3608596-1-changbin.du@huawei.com>
Em Wed, Apr 26, 2023 at 11:22:46AM +0800, Changbin Du escreveu:
> 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.
Thanks, applied.
- Arnaldo
> Signed-off-by: Changbin Du <changbin.du@huawei.com>
> ---
> tools/perf/util/unwind-libunwind.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
> index 509c287ee762..e95adbedf6ed 100644
> --- a/tools/perf/util/unwind-libunwind.c
> +++ b/tools/perf/util/unwind-libunwind.c
> @@ -54,7 +54,7 @@ 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:
> --
> 2.25.1
>
--
- Arnaldo
prev parent reply other threads:[~2023-04-29 1:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-26 3:22 [PATCH] perf: unwind: suppress massive unsupported target platform errors Changbin Du
2023-04-29 1:53 ` Arnaldo Carvalho de Melo [this message]
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