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From: Jiri Olsa <jolsa@redhat.com>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
	mingo@elte.hu, ak@linux.intel.com, acme@redhat.com,
	zheng.z.yan@intel.com, bp@alien8.de
Subject: Re: [PATCH v3 3/4] perf,x86: add Intel RAPL PMU support
Date: Fri, 25 Oct 2013 13:13:39 +0200	[thread overview]
Message-ID: <20131025111339.GA1219@krava.redhat.com> (raw)
In-Reply-To: <1382533085-7166-4-git-send-email-eranian@google.com>

On Wed, Oct 23, 2013 at 02:58:04PM +0200, Stephane Eranian wrote:

SNIP

> +
> +	perf_cpu_notifier(rapl_cpu_notifier);
> +
> +	ret = perf_pmu_register(&rapl_pmu_class, "power", -1);
> +	WARN_ON(ret);
> +	if (!ret) {
> +		pr_info("RAPL PMU detected, registration failed, RAPL PMU disabled\n");
> +		put_online_cpus();
> +		return -1;
> +	}

should above rather be:

        if (WARN_ON(ret)) {
                pr_info("RAPL PMU detected, registration failed, RAPL PMU disabled\n");

jirka

  reply	other threads:[~2013-10-25 11:14 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-23 12:58 [PATCH v3 0/4] perf,x86: add Intel RAPL PMU support Stephane Eranian
2013-10-23 12:58 ` [PATCH v3 1/4] perf: add active_entry list head to struct perf_event Stephane Eranian
2013-10-25 14:56   ` Jiri Olsa
2013-10-26 16:57     ` Stephane Eranian
2013-10-26 17:44       ` Jiri Olsa
2013-10-28  9:58         ` Stephane Eranian
2013-10-23 12:58 ` [PATCH v3 2/4] perf stat: add event unit and scale support Stephane Eranian
2013-10-23 12:58 ` [PATCH v3 3/4] perf,x86: add Intel RAPL PMU support Stephane Eranian
2013-10-25 11:13   ` Jiri Olsa [this message]
2013-10-25 11:13   ` Jiri Olsa
2013-10-25 11:14   ` Jiri Olsa
2013-10-26 17:00     ` Stephane Eranian
2013-10-28 10:33       ` Stephane Eranian
2013-10-28 12:17         ` Peter Zijlstra
2013-10-28 15:54           ` Stephane Eranian
2013-10-23 12:58 ` [PATCH v3 4/4] perf,x86: add RAPL hrtimer support Stephane Eranian
2013-10-25 17:44   ` Jiri Olsa
2013-10-26 17:07     ` Stephane Eranian
2013-10-26 17:53       ` Jiri Olsa
2013-10-28  9:55         ` Stephane Eranian

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