Edit File: cgroupstats.h
/* SPDX-License-Identifier: LGPL-2.1 WITH Linux-syscall-note */ /* 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 */
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