LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: James Clark <james.clark@arm.com>
To: Li Huafei <lihuafei1@huawei.com>, acme@kernel.org, jolsa@kernel.org
Cc: peterz@infradead.org, mark.rutland@arm.com, mingo@redhat.com,
	alexander.shishkin@linux.intel.com, namhyung@kernel.org,
	mliska@suse.cz, irogers@google.com, dzhu@wavecomp.com,
	rickyman7@gmail.com, yao.jin@linux.intel.com,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	zhangjinhao2@huawei.com
Subject: Re: [PATCH 2/2] perf annotate: Add error log in symbol__annotate()
Date: Mon, 26 Jul 2021 16:19:26 +0100	[thread overview]
Message-ID: <7106d95c-2a97-cd8b-b361-7f498a1b0a5f@arm.com> (raw)
In-Reply-To: <20210726123854.13463-2-lihuafei1@huawei.com>



On 26/07/2021 13:38, Li Huafei wrote:
> 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;
> 

This one is missing the v2 in the summary so it doesn't work with tools like b4,
but I applied it manually and it works.

Reviewed-by: James Clark <james.clark@arm.com>

  reply	other threads:[~2021-07-26 15:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-26 12:38 [PATCH v2 1/2] perf env: Normalize aarch64.* and arm64.* to arm64 in normalize_arch() Li Huafei
2021-07-26 12:38 ` [PATCH 2/2] perf annotate: Add error log in symbol__annotate() Li Huafei
2021-07-26 15:19   ` James Clark [this message]
2021-07-27 15:55     ` Arnaldo Carvalho de Melo
2021-07-26 15:18 ` [PATCH v2 1/2] perf env: Normalize aarch64.* and arm64.* to arm64 in normalize_arch() James Clark

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=7106d95c-2a97-cd8b-b361-7f498a1b0a5f@arm.com \
    --to=james.clark@arm.com \
    --cc=acme@kernel.org \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=dzhu@wavecomp.com \
    --cc=irogers@google.com \
    --cc=jolsa@kernel.org \
    --cc=lihuafei1@huawei.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mingo@redhat.com \
    --cc=mliska@suse.cz \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=rickyman7@gmail.com \
    --cc=yao.jin@linux.intel.com \
    --cc=zhangjinhao2@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).