Commit-ID: 23e232bd986a3024d589cbdbd64e078574d70794
Gitweb: https://git.kernel.org/tip/23e232bd986a3024d589cbdbd64e078574d70794
Author: Andrew Murray <[email protected]>
AuthorDate: Thu, 10 Jan 2019 13:53:23 +0000
Committer: Ingo Molnar <[email protected]>
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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Russell King <[email protected]>
Cc: Sascha Hauer <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link:
https://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
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,
