linux-kernel - [tip:perf/core] perf/doc: Update design.txt for exclude

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <tip-23e232bd986a3024d589cbdbd64e078574d70794@git.kernel.org>
Date:   Mon, 21 Jan 2019 03:16:00 -0800
From:   tip-bot for Andrew Murray <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     acme@...nel.org, linux@...linux.org.uk, ink@...assic.park.msu.ru,
        tglx@...utronix.de, benh@...nel.crashing.org,
        s.hauer@...gutronix.de, rth@...ddle.net,
        linux-kernel@...r.kernel.org, mingo@...nel.org, paulus@...ba.org,
        shawnguo@...nel.org, mattst88@...il.com, andrew.murray@....com,
        hpa@...or.com, bp@...en8.de, mpe@...erman.id.au,
        peterz@...radead.org, will.deacon@....com,
        torvalds@...ux-foundation.org, mark.rutland@....com
Subject: [tip:perf/core] perf/doc: Update design.txt for
 exclude_{host|guest} flags

Commit-ID:  23e232bd986a3024d589cbdbd64e078574d70794
Gitweb:     https://git.kernel.org/tip/23e232bd986a3024d589cbdbd64e078574d70794
Author:     Andrew Murray <andrew.murray@....com>
AuthorDate: Thu, 10 Jan 2019 13:53:23 +0000
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 21 Jan 2019 11:01:18 +0100

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>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Ivan Kokshaysky <ink@...assic.park.msu.ru>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Matt Turner <mattst88@...il.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Richard Henderson <rth@...ddle.net>
Cc: Russell King <linux@...linux.org.uk>
Cc: Sascha Hauer <s.hauer@...gutronix.de>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Will Deacon <will.deacon@....com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: robin.murphy@....com
Cc: suzuki.poulose@....com
Link: https://lkml.kernel.org/r/1547128414-50693-2-git-send-email-andrew.murray@arm.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 tools/perf/design.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index a28dca2582aa..0453ba26cdbd 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 Linux as the hypervisor.
+
 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,