From: David Ahern <dsahern@gmail.com>
To: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Ingo Molnar <mingo@kernel.org>,
linux-kernel@vger.kernel.org,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH] perf stat: Do not show stats if workload fails
Date: Mon, 23 Dec 2013 19:29:54 -0500 [thread overview]
Message-ID: <52B8D582.9090009@gmail.com> (raw)
In-Reply-To: <20131223193757.GA1396@ghostprotocols.net>
On 12/23/13, 2:37 PM, Arnaldo Carvalho de Melo wrote:
> int perf_evlist__start_workload(struct perf_evlist *evlist)
> {
> if (evlist->workload.cork_fd > 0) {
> char bf = 0;
> int ret;
> /*
> * Remove the cork, let it rip!
> */
> ret = write(evlist->workload.cork_fd, &bf, 1);
> if (ret < 0)
> perror("enable to write to pipe");
>
> close(evlist->workload.cork_fd);
> return ret;
> }
>
> return 0;
> }
>
> Ret there is 1, so we need to change it to:
>
> return ret != 1 ? -1 : 0;
>
> Right?
Yes, nice catch.
David
next prev parent reply other threads:[~2013-12-24 0:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-20 5:52 [PATCH] perf stat: Do not show stats if workload fails David Ahern
2013-12-20 7:57 ` Ingo Molnar
2013-12-23 19:37 ` Arnaldo Carvalho de Melo
2013-12-24 0:29 ` David Ahern [this message]
2013-12-24 12:53 ` Arnaldo Carvalho de Melo
2013-12-24 13:30 ` Arnaldo Carvalho de Melo
2013-12-26 14:11 ` David Ahern
2013-12-26 14:15 ` Arnaldo Carvalho de Melo
2013-12-26 14:18 ` David Ahern
2013-12-26 14:26 ` Arnaldo Carvalho de Melo
2013-12-26 14:55 ` Arnaldo Carvalho de Melo
2014-01-02 14:44 ` Arnaldo Carvalho de Melo
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=52B8D582.9090009@gmail.com \
--to=dsahern@gmail.com \
--cc=acme@ghostprotocols.net \
--cc=eranian@google.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
/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