diff options
| author | Paul Menage <menage@google.com> | 2007-10-18 23:39:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 11:53:36 -0700 |
| commit | 62d0df64065e7c135d0002f069444fbdfc64768f (patch) | |
| tree | 9087bf336182ab9c619460ba2370a223200179bc /include/linux | |
| parent | 8793d854edbc2774943a4b0de3304dc73991159a (diff) | |
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>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/cgroup_subsys.h | 6 | ||||
| -rw-r--r-- | include/linux/cpu_acct.h | 14 |
2 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h index b152b51a436..a568b8746f1 100644 --- a/include/linux/cgroup_subsys.h +++ b/include/linux/cgroup_subsys.h @@ -13,4 +13,10 @@ SUBSYS(cpuset) /* */ +#ifdef CONFIG_CGROUP_CPUACCT +SUBSYS(cpuacct) +#endif + +/* */ + /* */ diff --git a/include/linux/cpu_acct.h b/include/linux/cpu_acct.h new file mode 100644 index 00000000000..6b5fd8a66c8 --- /dev/null +++ b/include/linux/cpu_acct.h @@ -0,0 +1,14 @@ + +#ifndef _LINUX_CPU_ACCT_H +#define _LINUX_CPU_ACCT_H + +#include <linux/cgroup.h> +#include <asm/cputime.h> + +#ifdef CONFIG_CGROUP_CPUACCT +extern void cpuacct_charge(struct task_struct *, cputime_t cputime); +#else +static void inline cpuacct_charge(struct task_struct *p, cputime_t cputime) {} +#endif + +#endif |