logo

oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

cgroupstats.h (2105B)

    

  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.  */
  16. #ifndef _LINUX_CGROUPSTATS_H
  17. #define _LINUX_CGROUPSTATS_H
  19. #include <linux/types.h>
  20. #include <linux/taskstats.h>
  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. };
  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.  */
  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. };
  52. #define CGROUPSTATS_CMD_MAX (__CGROUPSTATS_CMD_MAX - 1)
  54. enum {
  55. 	CGROUPSTATS_TYPE_UNSPEC = 0,	/* Reserved */
  56. 	CGROUPSTATS_TYPE_CGROUP_STATS,	/* contains name + stats */
  57. 	__CGROUPSTATS_TYPE_MAX,
  58. };
  60. #define CGROUPSTATS_TYPE_MAX (__CGROUPSTATS_TYPE_MAX - 1)
  62. enum {
  63. 	CGROUPSTATS_CMD_ATTR_UNSPEC = 0,
  64. 	CGROUPSTATS_CMD_ATTR_FD,
  65. 	__CGROUPSTATS_CMD_ATTR_MAX,
  66. };
  68. #define CGROUPSTATS_CMD_ATTR_MAX (__CGROUPSTATS_CMD_ATTR_MAX - 1)
  70. #endif /* _LINUX_CGROUPSTATS_H */