cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

cgroupstats.h (2219B)

      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 * For the nr_io_wait state, a flag in the delay accounting structure
     28 * indicates that the task is waiting on IO
     29 *
     30 * Each member is aligned to a 8 byte boundary.
     31 */
     32struct cgroupstats {
     33	__u64	nr_sleeping;		/* Number of tasks sleeping */
     34	__u64	nr_running;		/* Number of tasks running */
     35	__u64	nr_stopped;		/* Number of tasks in stopped state */
     36	__u64	nr_uninterruptible;	/* Number of tasks in uninterruptible */
     37					/* state */
     38	__u64	nr_io_wait;		/* Number of tasks waiting on IO */
     39};
     40
     41/*
     42 * Commands sent from userspace
     43 * Not versioned. New commands should only be inserted at the enum's end
     44 * prior to __CGROUPSTATS_CMD_MAX
     45 */
     46
     47enum {
     48	CGROUPSTATS_CMD_UNSPEC = __TASKSTATS_CMD_MAX,	/* Reserved */
     49	CGROUPSTATS_CMD_GET,		/* user->kernel request/get-response */
     50	CGROUPSTATS_CMD_NEW,		/* kernel->user event */
     51	__CGROUPSTATS_CMD_MAX,
     52};
     53
     54#define CGROUPSTATS_CMD_MAX (__CGROUPSTATS_CMD_MAX - 1)
     55
     56enum {
     57	CGROUPSTATS_TYPE_UNSPEC = 0,	/* Reserved */
     58	CGROUPSTATS_TYPE_CGROUP_STATS,	/* contains name + stats */
     59	__CGROUPSTATS_TYPE_MAX,
     60};
     61
     62#define CGROUPSTATS_TYPE_MAX (__CGROUPSTATS_TYPE_MAX - 1)
     63
     64enum {
     65	CGROUPSTATS_CMD_ATTR_UNSPEC = 0,
     66	CGROUPSTATS_CMD_ATTR_FD,
     67	__CGROUPSTATS_CMD_ATTR_MAX,
     68};
     69
     70#define CGROUPSTATS_CMD_ATTR_MAX (__CGROUPSTATS_CMD_ATTR_MAX - 1)
     71
     72#endif /* _LINUX_CGROUPSTATS_H */