From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio

---
 kernel/tools/perf/design.txt |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/kernel/tools/perf/design.txt b/kernel/tools/perf/design.txt
index a28dca2..a42fab3 100644
--- a/kernel/tools/perf/design.txt
+++ b/kernel/tools/perf/design.txt
@@ -222,6 +222,10 @@
 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,
@@ -254,7 +258,8 @@
 their own tasks.
 
 A 'pid == -1' and 'cpu == x' counter is a per CPU counter that counts
-all events on CPU-x. Per CPU counters need CAP_SYS_ADMIN privilege.
+all events on CPU-x. Per CPU counters need CAP_PERFMON or CAP_SYS_ADMIN
+privilege.
 
 The 'flags' parameter is currently unused and must be zero.
 

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