Messages in this thread Patch in this message | | | Date | Mon, 21 Jan 2019 03:16:00 -0800 | From | tip-bot for Andrew Murray <> | Subject | [tip:perf/core] perf/doc: Update design.txt for exclude_{host|guest} flags |
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Commit-ID: 23e232bd986a3024d589cbdbd64e078574d70794 Gitweb: https://git.kernel.org/tip/23e232bd986a3024d589cbdbd64e078574d70794 Author: Andrew Murray <andrew.murray@arm.com> AuthorDate: Thu, 10 Jan 2019 13:53:23 +0000 Committer: Ingo Molnar <mingo@kernel.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@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <linux@armlinux.org.uk> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linuxppc-dev@lists.ozlabs.org Cc: robin.murphy@arm.com Cc: suzuki.poulose@arm.com Link: https://lkml.kernel.org/r/1547128414-50693-2-git-send-email-andrew.murray@arm.com Signed-off-by: Ingo Molnar <mingo@kernel.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,
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