/* 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 */