The C and C++ Include Header Files

/usr/include/linux/cgroupstats.h


$ cat -n /usr/include/linux/cgroupstats.h

     1	/* SPDX-License-Identifier: LGPL-2.1 WITH Linux-syscall-note */
     2	/* cgroupstats.h - exporting per-cgroup statistics
     3	 *
     4	 * Copyright IBM Corporation, 2007
     5	 * Author Balbir Singh <balbir@linux.vnet.ibm.com>
     6	 *
     7	 * This program is free software; you can redistribute it and/or modify it
     8	 * under the terms of version 2.1 of the GNU Lesser General Public License
     9	 * as published by the Free Software Foundation.
    10	 *
    11	 * This program is distributed in the hope that it would be useful, but
    12	 * WITHOUT ANY WARRANTY; without even the implied warranty of
    13	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    14	 */
    15	
    16	#ifndef _LINUX_CGROUPSTATS_H
    17	#define _LINUX_CGROUPSTATS_H
    18	
    19	#include <linux/types.h>
    20	#include <linux/taskstats.h>
    21	
    22	/*
    23	 * Data shared between user space and kernel space on a per cgroup
    24	 * basis. This data is shared using taskstats.
    25	 *
    26	 * Most of these states are derived by looking at the task->state value
    27	 *
    28	 * Each member is aligned to a 8 byte boundary.
    29	 */
    30	struct cgroupstats {
    31		__u64	nr_sleeping;		/* Number of tasks sleeping */
    32		__u64	nr_running;		/* Number of tasks running */
    33		__u64	nr_stopped;		/* Number of tasks in stopped state */
    34		__u64	nr_uninterruptible;	/* Number of tasks in uninterruptible */
    35						/* state */
    36		__u64	nr_io_wait;		/* Number of tasks waiting on IO */
    37	};
    38	
    39	/*
    40	 * Commands sent from userspace
    41	 * Not versioned. New commands should only be inserted at the enum's end
    42	 * prior to __CGROUPSTATS_CMD_MAX
    43	 */
    44	
    45	enum {
    46		CGROUPSTATS_CMD_UNSPEC = __TASKSTATS_CMD_MAX,	/* Reserved */
    47		CGROUPSTATS_CMD_GET,		/* user->kernel request/get-response */
    48		CGROUPSTATS_CMD_NEW,		/* kernel->user event */
    49		__CGROUPSTATS_CMD_MAX,
    50	};
    51	
    52	#define CGROUPSTATS_CMD_MAX (__CGROUPSTATS_CMD_MAX - 1)
    53	
    54	enum {
    55		CGROUPSTATS_TYPE_UNSPEC = 0,	/* Reserved */
    56		CGROUPSTATS_TYPE_CGROUP_STATS,	/* contains name + stats */
    57		__CGROUPSTATS_TYPE_MAX,
    58	};
    59	
    60	#define CGROUPSTATS_TYPE_MAX (__CGROUPSTATS_TYPE_MAX - 1)
    61	
    62	enum {
    63		CGROUPSTATS_CMD_ATTR_UNSPEC = 0,
    64		CGROUPSTATS_CMD_ATTR_FD,
    65		__CGROUPSTATS_CMD_ATTR_MAX,
    66	};
    67	
    68	#define CGROUPSTATS_CMD_ATTR_MAX (__CGROUPSTATS_CMD_ATTR_MAX - 1)
    69	
    70	#endif /* _LINUX_CGROUPSTATS_H */