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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>
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
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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