Task Control Groups: example CPU accounting subsystem

This example demonstrates how to use the generic cgroup subsystem for a
simple resource tracker that counts, for the processes in a cgroup, the
total CPU time used and the %CPU used in the last complete 10 second interval.

Portions contributed by Balbir Singh <balbir@in.ibm.com>

Signed-off-by: Paul Menage <menage@google.com>
Cc: Serge E. Hallyn <serue@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/init/Kconfig b/init/Kconfig
index 18b1abc677da..b59a0a95a0e6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -335,6 +335,13 @@ config PROC_PID_CPUSET
         depends on CPUSETS
         default y
 
+config CGROUP_CPUACCT
+        bool "Simple CPU accounting cgroup subsystem"
+        depends on CGROUPS
+        help
+          Provides a simple Resource Controller for monitoring the
+          total CPU consumed by the tasks in a cgroup
+
 config RELAY
         bool "Kernel->user space relay support (formerly relayfs)"
         help