linux-kernel - [PATCH v2 01/20] perf/doc: update design.txt for exclude

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Message-Id: <1543230756-15319-2-git-send-email-andrew.murray@arm.com>
Date:   Mon, 26 Nov 2018 11:12:17 +0000
From:   Andrew Murray <andrew.murray@....com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>, x86@...nel.org,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        "David S . Miller" <davem@...emloft.net>,
        sparclinux@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-s390@...r.kernel.org, linux-mips@...ux-mips.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-alpha@...r.kernel.org
Subject: [PATCH v2 01/20] perf/doc: update design.txt for exclude_{host|guest} flags

Update design.txt to reflect the presence of the exclude_host
and exclude_guest perf flags.

Signed-off-by: Andrew Murray <andrew.murray@....com>
---
 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.
+
 The 'mmap' and 'munmap' bits allow recording of PROT_EXEC mmap/munmap
 operations, these can be used to relate userspace IP addresses to actual
 code, even after the mapping (or even the whole process) is gone,
-- 
2.7.4