Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH v2 01/20] perf/doc: update design.txt for
 exclude_{host|guest} flags
To:     Andrew Murray <andrew.murray@arm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Will Deacon <will.deacon@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Borislav Petkov <bp@alien8.de>, x86@kernel.org,
        Ralf Baechle <ralf@linux-mips.org>,
        Paul Burton <paul.burton@mips.com>,
        James Hogan <jhogan@kernel.org>,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        "David S . Miller" <davem@davemloft.net>,
        sparclinux@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>
Cc:     linux-s390@vger.kernel.org, linux-mips@linux-mips.org,
        linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
        linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org
References: <1543230756-15319-1-git-send-email-andrew.murray@arm.com>
 <1543230756-15319-2-git-send-email-andrew.murray@arm.com>
From:   Suzuki K Poulose <suzuki.poulose@arm.com>
Message-ID: <b5ba3edb-bc2a-225b-5a87-dd144104cabb@arm.com>
Date:   Mon, 26 Nov 2018 18:22:47 +0000
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101
 Thunderbird/60.2.1
MIME-Version: 1.0
In-Reply-To: <1543230756-15319-2-git-send-email-andrew.murray@arm.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi Andrew,

On 26/11/2018 11:12, Andrew Murray wrote:
> Update design.txt to reflect the presence of the exclude_host
> and exclude_guest perf flags.
> 
> Signed-off-by: Andrew Murray <andrew.murray@arm.com>

Thanks a lot for adding this !

> ---
>   tools/perf/design.txt | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/tools/perf/design.txt b/tools/perf/design.txt
> index a28dca2..5b2b23b 100644
> --- a/tools/perf/design.txt
> +++ b/tools/perf/design.txt
> @@ -222,6 +222,10 @@ The 'exclude_user', 'exclude_kernel' and 'exclude_hv' bits provide a
>   way to request that counting of events be restricted to times when the
>   CPU is in user, kernel and/or hypervisor mode.
>   
> +Furthermore the 'exclude_host' and 'exclude_guest' bits provide a way
> +to request counting of events restricted to guest and host contexts when
> +using KVM virtualisation.

minor nit: could we generalise this to :

"using Linux as the hypervisor".

Otherwise, looks good to me.

Cheers
Suzuki