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author | David Howells <dhowells@redhat.com> | 2012-10-13 10:46:48 +0100 |
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committer | David Howells <dhowells@redhat.com> | 2012-10-13 10:46:48 +0100 |
commit | 607ca46e97a1b6594b29647d98a32d545c24bdff (patch) | |
tree | 30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/cgroupstats.h | |
parent | 08cce05c5a91f5017f4edc9866cf026908c73f9f (diff) | |
download | op-kernel-dev-607ca46e97a1b6594b29647d98a32d545c24bdff.zip op-kernel-dev-607ca46e97a1b6594b29647d98a32d545c24bdff.tar.gz |
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/cgroupstats.h')
-rw-r--r-- | include/uapi/linux/cgroupstats.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/uapi/linux/cgroupstats.h b/include/uapi/linux/cgroupstats.h new file mode 100644 index 0000000..3753c33 --- /dev/null +++ b/include/uapi/linux/cgroupstats.h @@ -0,0 +1,71 @@ +/* cgroupstats.h - exporting per-cgroup statistics + * + * Copyright IBM Corporation, 2007 + * Author Balbir Singh <balbir@linux.vnet.ibm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _LINUX_CGROUPSTATS_H +#define _LINUX_CGROUPSTATS_H + +#include <linux/types.h> +#include <linux/taskstats.h> + +/* + * Data shared between user space and kernel space on a per cgroup + * basis. This data is shared using taskstats. + * + * Most of these states are derived by looking at the task->state value + * For the nr_io_wait state, a flag in the delay accounting structure + * indicates that the task is waiting on IO + * + * Each member is aligned to a 8 byte boundary. + */ +struct cgroupstats { + __u64 nr_sleeping; /* Number of tasks sleeping */ + __u64 nr_running; /* Number of tasks running */ + __u64 nr_stopped; /* Number of tasks in stopped state */ + __u64 nr_uninterruptible; /* Number of tasks in uninterruptible */ + /* state */ + __u64 nr_io_wait; /* Number of tasks waiting on IO */ +}; + +/* + * Commands sent from userspace + * Not versioned. New commands should only be inserted at the enum's end + * prior to __CGROUPSTATS_CMD_MAX + */ + +enum { + CGROUPSTATS_CMD_UNSPEC = __TASKSTATS_CMD_MAX, /* Reserved */ + CGROUPSTATS_CMD_GET, /* user->kernel request/get-response */ + CGROUPSTATS_CMD_NEW, /* kernel->user event */ + __CGROUPSTATS_CMD_MAX, +}; + +#define CGROUPSTATS_CMD_MAX (__CGROUPSTATS_CMD_MAX - 1) + +enum { + CGROUPSTATS_TYPE_UNSPEC = 0, /* Reserved */ + CGROUPSTATS_TYPE_CGROUP_STATS, /* contains name + stats */ + __CGROUPSTATS_TYPE_MAX, +}; + +#define CGROUPSTATS_TYPE_MAX (__CGROUPSTATS_TYPE_MAX - 1) + +enum { + CGROUPSTATS_CMD_ATTR_UNSPEC = 0, + CGROUPSTATS_CMD_ATTR_FD, + __CGROUPSTATS_CMD_ATTR_MAX, +}; + +#define CGROUPSTATS_CMD_ATTR_MAX (__CGROUPSTATS_CMD_ATTR_MAX - 1) + +#endif /* _LINUX_CGROUPSTATS_H */ |