Message-ID: <4DCA76A5.7030000@redhat.com>
Date: Wed, 11 May 2011 14:44:37 +0300
From: Avi Kivity <avi@redhat.com>
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To: Joerg Roedel <joerg.roedel@amd.com>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>, Paul Mackerras <paulus@samba.org>,
        Ingo Molnar <mingo@elte.hu>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH 1/3] perf, core: Introduce attrs to count in either host
 or guest mode
References: <1305038132-5080-1-git-send-email-joerg.roedel@amd.com> <1305038132-5080-2-git-send-email-joerg.roedel@amd.com>
In-Reply-To: <1305038132-5080-2-git-send-email-joerg.roedel@amd.com>
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On 05/10/2011 05:35 PM, Joerg Roedel wrote:
> The two new attributes exclude_guest and exclude_host can
> bes used by user-space to tell the kernel to setup
> performance counter to either only count while the CPU is in
> guest or in host mode.
> An additional check is also introduced to make sure
> user-space does not try to exclude guest and host mode from
> counting.
>
> @@ -217,7 +217,10 @@ struct perf_event_attr {
>   				mmap_data      :  1, /* non-exec mmap data    */
>   				sample_id_all  :  1, /* sample_type all events */
>
> -				__reserved_1   : 45;
> +				exclude_host   :  1, /* don't count in host   */
> +				exclude_guest  :  1, /* don't count in guest  */
> +
> +				__reserved_1   : 43;
>

We have exclude_hv a few lines up, so only exclude_guest is needed.

-- 
error compiling committee.c: too many arguments to function

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