diff options
Diffstat (limited to 'include/linux/taskstats.h')
| -rw-r--r-- | include/linux/taskstats.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h deleted file mode 100644 index 2466e550a41d..000000000000 --- a/include/linux/taskstats.h +++ /dev/null @@ -1,213 +0,0 @@ -/* taskstats.h - exporting per-task statistics - * - * Copyright (C) Shailabh Nagar, IBM Corp. 2006 - * (C) Balbir Singh, IBM Corp. 2006 - * (C) Jay Lan, SGI, 2006 - * - * 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_TASKSTATS_H -#define _LINUX_TASKSTATS_H - -#include <linux/types.h> - -/* Format for per-task data returned to userland when - * - a task exits - * - listener requests stats for a task - * - * The struct is versioned. Newer versions should only add fields to - * the bottom of the struct to maintain backward compatibility. - * - * - * To add new fields - * a) bump up TASKSTATS_VERSION - * b) add comment indicating new version number at end of struct - * c) add new fields after version comment; maintain 64-bit alignment - */ - - -#define TASKSTATS_VERSION 8 -#define TS_COMM_LEN 32 /* should be >= TASK_COMM_LEN - * in linux/sched.h */ - -struct taskstats { - - /* The version number of this struct. This field is always set to - * TAKSTATS_VERSION, which is defined in <linux/taskstats.h>. - * Each time the struct is changed, the value should be incremented. - */ - __u16 version; - __u32 ac_exitcode; /* Exit status */ - - /* The accounting flags of a task as defined in <linux/acct.h> - * Defined values are AFORK, ASU, ACOMPAT, ACORE, and AXSIG. - */ - __u8 ac_flag; /* Record flags */ - __u8 ac_nice; /* task_nice */ - - /* Delay accounting fields start - * - * All values, until comment "Delay accounting fields end" are - * available only if delay accounting is enabled, even though the last - * few fields are not delays - * - * xxx_count is the number of delay values recorded - * xxx_delay_total is the corresponding cumulative delay in nanoseconds - * - * xxx_delay_total wraps around to zero on overflow - * xxx_count incremented regardless of overflow - */ - - /* Delay waiting for cpu, while runnable - * count, delay_total NOT updated atomically - */ - __u64 cpu_count __attribute__((aligned(8))); - __u64 cpu_delay_total; - - /* Following four fields atomically updated using task->delays->lock */ - - /* Delay waiting for synchronous block I/O to complete - * does not account for delays in I/O submission - */ - __u64 blkio_count; - __u64 blkio_delay_total; - - /* Delay waiting for page fault I/O (swap in only) */ - __u64 swapin_count; - __u64 swapin_delay_total; - - /* cpu "wall-clock" running time - * On some architectures, value will adjust for cpu time stolen - * from the kernel in involuntary waits due to virtualization. - * Value is cumulative, in nanoseconds, without a corresponding count - * and wraps around to zero silently on overflow - */ - __u64 cpu_run_real_total; - - /* cpu "virtual" running time - * Uses time intervals seen by the kernel i.e. no adjustment - * for kernel's involuntary waits due to virtualization. - * Value is cumulative, in nanoseconds, without a corresponding count - * and wraps around to zero silently on overflow - */ - __u64 cpu_run_virtual_total; - /* Delay accounting fields end */ - /* version 1 ends here */ - - /* Basic Accounting Fields start */ - char ac_comm[TS_COMM_LEN]; /* Command name */ - __u8 ac_sched __attribute__((aligned(8))); - /* Scheduling discipline */ - __u8 ac_pad[3]; - __u32 ac_uid __attribute__((aligned(8))); - /* User ID */ - __u32 ac_gid; /* Group ID */ - __u32 ac_pid; /* Process ID */ - __u32 ac_ppid; /* Parent process ID */ - __u32 ac_btime; /* Begin time [sec since 1970] */ - __u64 ac_etime __attribute__((aligned(8))); - /* Elapsed time [usec] */ - __u64 ac_utime; /* User CPU time [usec] */ - __u64 ac_stime; /* SYstem CPU time [usec] */ - __u64 ac_minflt; /* Minor Page Fault Count */ - __u64 ac_majflt; /* Major Page Fault Count */ - /* Basic Accounting Fields end */ - - /* Extended accounting fields start */ - /* Accumulated RSS usage in duration of a task, in MBytes-usecs. - * The current rss usage is added to this counter every time - * a tick is charged to a task's system time. So, at the end we - * will have memory usage multiplied by system time. Thus an - * average usage per system time unit can be calculated. - */ - __u64 coremem; /* accumulated RSS usage in MB-usec */ - /* Accumulated virtual memory usage in duration of a task. - * Same as acct_rss_mem1 above except that we keep track of VM usage. - */ - __u64 virtmem; /* accumulated VM usage in MB-usec */ - - /* High watermark of RSS and virtual memory usage in duration of - * a task, in KBytes. - */ - __u64 hiwater_rss; /* High-watermark of RSS usage, in KB */ - __u64 hiwater_vm; /* High-water VM usage, in KB */ - - /* The following four fields are I/O statistics of a task. */ - __u64 read_char; /* bytes read */ - __u64 write_char; /* bytes written */ - __u64 read_syscalls; /* read syscalls */ - __u64 write_syscalls; /* write syscalls */ - /* Extended accounting fields end */ - -#define TASKSTATS_HAS_IO_ACCOUNTING - /* Per-task storage I/O accounting starts */ - __u64 read_bytes; /* bytes of read I/O */ - __u64 write_bytes; /* bytes of write I/O */ - __u64 cancelled_write_bytes; /* bytes of cancelled write I/O */ - - __u64 nvcsw; /* voluntary_ctxt_switches */ - __u64 nivcsw; /* nonvoluntary_ctxt_switches */ - - /* time accounting for SMT machines */ - __u64 ac_utimescaled; /* utime scaled on frequency etc */ - __u64 ac_stimescaled; /* stime scaled on frequency etc */ - __u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */ - - /* Delay waiting for memory reclaim */ - __u64 freepages_count; - __u64 freepages_delay_total; -}; - - -/* - * Commands sent from userspace - * Not versioned. New commands should only be inserted at the enum's end - * prior to __TASKSTATS_CMD_MAX - */ - -enum { - TASKSTATS_CMD_UNSPEC = 0, /* Reserved */ - TASKSTATS_CMD_GET, /* user->kernel request/get-response */ - TASKSTATS_CMD_NEW, /* kernel->user event */ - __TASKSTATS_CMD_MAX, -}; - -#define TASKSTATS_CMD_MAX (__TASKSTATS_CMD_MAX - 1) - -enum { - TASKSTATS_TYPE_UNSPEC = 0, /* Reserved */ - TASKSTATS_TYPE_PID, /* Process id */ - TASKSTATS_TYPE_TGID, /* Thread group id */ - TASKSTATS_TYPE_STATS, /* taskstats structure */ - TASKSTATS_TYPE_AGGR_PID, /* contains pid + stats */ - TASKSTATS_TYPE_AGGR_TGID, /* contains tgid + stats */ - TASKSTATS_TYPE_NULL, /* contains nothing */ - __TASKSTATS_TYPE_MAX, -}; - -#define TASKSTATS_TYPE_MAX (__TASKSTATS_TYPE_MAX - 1) - -enum { - TASKSTATS_CMD_ATTR_UNSPEC = 0, - TASKSTATS_CMD_ATTR_PID, - TASKSTATS_CMD_ATTR_TGID, - TASKSTATS_CMD_ATTR_REGISTER_CPUMASK, - TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK, - __TASKSTATS_CMD_ATTR_MAX, -}; - -#define TASKSTATS_CMD_ATTR_MAX (__TASKSTATS_CMD_ATTR_MAX - 1) - -/* NETLINK_GENERIC related info */ - -#define TASKSTATS_GENL_NAME "TASKSTATS" -#define TASKSTATS_GENL_VERSION 0x1 - -#endif /* _LINUX_TASKSTATS_H */ |