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-rw-r--r--init/Kconfig3
1 files changed, 2 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 20a6ac33761c..7766b06a0038 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1027,7 +1027,8 @@ config CGROUP_PERF
help
This option extends the perf per-cpu mode to restrict monitoring
to threads which belong to the cgroup specified and run on the
- designated cpu.
+ designated cpu. Or this can be used to have cgroup ID in samples
+ so that it can monitor performance events among cgroups.
Say N if unsure.