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Name	Size	Permission
arm	[ DIR ]	drwxr-xr-x
arm64	[ DIR ]	drwxr-xr-x
i386	[ DIR ]	drwxr-xr-x
ia64	[ DIR ]	drwxr-xr-x
powerpc	[ DIR ]	drwxr-xr-x
s390	[ DIR ]	drwxr-xr-x
x86_64	[ DIR ]	drwxr-xr-x
atomic.stp	1.52 KB	-rw-r--r--
aux_syscalls.stp	139.14 KB	-rw-r--r--
context-caller.stp	3.07 KB	-rw-r--r--
context-envvar.stp	1.71 KB	-rw-r--r--
context-symbols.stp	11.98 KB	-rw-r--r--
context-unwind.stp	2.81 KB	-rw-r--r--
context.stp	17.76 KB	-rw-r--r--
context.stpm	125 B	-rw-r--r--
conversions-guru.stp	5.56 KB	-rw-r--r--
conversions.stp	10.92 KB	-rw-r--r--
ctime.stp	5.32 KB	-rw-r--r--
dentry.stp	9.79 KB	-rw-r--r--
dev.stp	1.79 KB	-rw-r--r--
endian.stp	602 B	-rw-r--r--
guru-delay.stp	1.2 KB	-rw-r--r--
guru-signal.stp	1.07 KB	-rw-r--r--
inet.stp	1.42 KB	-rw-r--r--
inet_sock.stp	1.31 KB	-rw-r--r--
ioblock.stp	12.55 KB	-rw-r--r--
ioscheduler.stp	11.74 KB	-rw-r--r--
ip.stp	5.23 KB	-rw-r--r--
ipmib-filter-default.stp	965 B	-rw-r--r--
ipmib.stp	12.55 KB	-rw-r--r--
irq.stp	5 KB	-rw-r--r--
json.stp	8.92 KB	-rw-r--r--
json.stpm	6.11 KB	-rw-r--r--
kprocess.stp	4.38 KB	-rw-r--r--
kretprobe.stp	2.1 KB	-rw-r--r--
linuxmib-filter-default.stp	876 B	-rw-r--r--
linuxmib.stp	3.38 KB	-rw-r--r--
loadavg.stp	1.87 KB	-rw-r--r--
logging.stp	2.08 KB	-rw-r--r--
memory.stp	17.77 KB	-rw-r--r--
nd_syscalls.stp	138.14 KB	-rw-r--r--
nd_syscalls2.stp	161.75 KB	-rw-r--r--
netfilter.stp	31.56 KB	-rw-r--r--
networking.stp	7.17 KB	-rw-r--r--
nfs.stp	37.86 KB	-rw-r--r--
nfs_proc.stp	55.3 KB	-rw-r--r--
nfs_proc.stpm	1.18 KB	-rw-r--r--
nfsd.stp	39.97 KB	-rw-r--r--
nfsderrno.stp	11.7 KB	-rw-r--r--
panic.stp	1.07 KB	-rw-r--r--
perf.stp	4.5 KB	-rw-r--r--
proc_mem.stp	11.49 KB	-rw-r--r--
pstrace.stp	773 B	-rw-r--r--
rcu.stp	917 B	-rw-r--r--
rlimit.stp	1.35 KB	-rw-r--r--
rpc.stp	37.94 KB	-rw-r--r--
scheduler.stp	11.33 KB	-rw-r--r--
scsi.stp	9.46 KB	-rw-r--r--
signal.stp	28.35 KB	-rw-r--r--
socket.stp	33.41 KB	-rw-r--r--
syscalls.stp	136.01 KB	-rw-r--r--
syscalls.stpm	11.28 KB	-rw-r--r--
syscalls2.stp	158.1 KB	-rw-r--r--
syscalls_cfg_trunc.stp	111 B	-rw-r--r--
target_set.stp	1.71 KB	-rw-r--r--
task.stp	19.07 KB	-rw-r--r--
task.stpm	157 B	-rw-r--r--
task_ancestry.stp	1.57 KB	-rw-r--r--
task_time.stp	7.45 KB	-rw-r--r--
tcp.stp	21.98 KB	-rw-r--r--
tcpmib-filter-default.stp	885 B	-rw-r--r--
tcpmib.stp	10.29 KB	-rw-r--r--
timestamp.stp	1.72 KB	-rw-r--r--
timestamp_gtod.stp	1.59 KB	-rw-r--r--
timestamp_monotonic.stp	5.12 KB	-rw-r--r--
tty.stp	7.15 KB	-rw-r--r--
tzinfo.stp	803 B	-rw-r--r--
ucontext-symbols.stp	8.62 KB	-rw-r--r--
ucontext-unwind.stp	3.64 KB	-rw-r--r--
ucontext.stp	2.18 KB	-rw-r--r--
udp.stp	5.73 KB	-rw-r--r--
utrace.stp	1.33 KB	-rw-r--r--
vfs.stp	26.83 KB	-rw-r--r--

Code Editor : task_time.stp

// Task time query and utility functions.
// Copyright (C) 2009, 2014 Red Hat Inc.
//
// This file is part of systemtap, and is free software.  You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.

// <tapsetdescription>
// Task time query and utility functions provide information about
// the time resource usage of the current task. These functions provide
// information about the user time and system time of the current
// task. And provide utility functions to turn the reported times
// into miliseconds and create human readable string representations
// of task time used. The reported times are approximates and should
// be used for "coarse grained" measurements only. The reported user
// and system time are only for the current task, not for the process
// as a whole nor of any time spend by children of the current task.
// </tapsetdescription>

%{
#include <linux/sched.h>		/* includes asm/cputime.h */
#include <linux/time.h>

/* Kernels since 2.6.37 generally have cputime_to_usecs, but not msecs.
 * (ref: kernel commit d57af9b2142f31a39dcfdeb30776baadfc802827)
 * Yet note some kernels (RHEL6) may already have both...  */
#if defined(cputime_to_usecs)
#if !defined(cputime_to_msecs)
#define cputime_to_msecs(__ct)		_stp_div64(NULL, cputime_to_usecs(__ct), 1000ULL)
#endif

/* Kernels before 2.6.37 have cputime_to_msecs, but not usecs. */
#elif defined(cputime_to_msecs)
#define cputime_to_usecs(__ct)		(cputime_to_msecs(__ct) * 1000ULL)

/* RHEL4 (2.6.9) kernels have neither, but it's just jiffies anyway. */
#else
#define cputime_to_msecs(__ct)		jiffies_to_msecs(__ct)
#define cputime_to_usecs(__ct)		jiffies_to_usecs(__ct)
#endif
%}

/**
 * sfunction task_utime - User time of the current task
 *
 * Description: Returns the user time of the current task in cputime.
 * Does not include any time used by other tasks in this process, nor
 * does it include any time of the children of this task.
 */
function task_utime:long ()
%{ /* pure */ /* stable */ /* unprivileged */
  STAP_RETVALUE = current->utime;
%}

/**
 * sfunction task_utime_tid - User time of the given task
 *
 * @tid: Thread id of the given task
 *
 * Description: Returns the user time of the given task in cputime,
 * or zero if the task doesn't exist.
 * Does not include any time used by other tasks in this process, nor
 * does it include any time of the children of this task.
 */
function task_utime_tid:long(tid:long)
{
  task = pid2task(tid);
  if (task != 0)
    return task->utime;
  else
    return 0;
}

/**
 * sfunction task_stime - System time of the current task
 *
 * Description: Returns the system time of the current task in cputime.
 * Does not include any time used by other tasks in this process, nor
 * does it include any time of the children of this task.
 */
function task_stime:long ()
%{ /* pure */ /* stable */ /* unprivileged */
  STAP_RETVALUE = current->stime;
%}

/**
 * sfunction task_stime_tid - System time of the given task
 *
 * @tid: Thread id of the given task
 *
 * Description: Returns the system time of the given task in cputime,
 * or zero if the task doesn't exist.
 * Does not include any time used by other tasks in this process, nor
 * does it include any time of the children of this task.
 */
function task_stime_tid:long(tid:long)
{
  task = pid2task(tid);
  if (task != 0)
    return task->stime;
  else
    return 0;
}

/**
 * sfunction task_start_time - Start time of the given task
 *
 * @tid: Thread id of the given task
 *
 * Description: Returns the start time of the given task in nanoseconds since
 * boot time or 0 if the task does not exist.
 */
function task_start_time:long (tid:long) {
  task = pid2task(tid);
  if (task != 0) {
    if (@defined(@task(0)->real_start_time->tv_sec)) {
      time_sec = task->real_start_time->tv_sec
      time_nsec = task->real_start_time->tv_nsec
      return time_sec * 1000000000 + time_nsec
    } else {
      // simple u64 in ns since kernel commit 57e0be041d9e2
      return task->real_start_time
    }
  } else return 0
}

/**
 * sfunction cputime_to_msecs - Translates the given cputime into milliseconds
 * @cputime: Time to convert to milliseconds.
 */
function cputime_to_msecs:long (cputime:long)
%{ /* pure */ /* unprivileged */
  STAP_RETVALUE = cputime_to_msecs (STAP_ARG_cputime);
%}

/**
 * sfunction cputime_to_usecs - Translates the given cputime into microseconds
 * @cputime: Time to convert to microseconds.
 */
function cputime_to_usecs:long (cputime:long)
%{ /* pure */ /* unprivileged */
  STAP_RETVALUE = cputime_to_usecs (STAP_ARG_cputime);
%}

/**
 * sfunction msecs_to_string - Human readable string for given milliseconds
 *
 * @msecs: Number of milliseconds to translate.
 *
 * Description: Returns a string representing the number of
 * milliseconds as a human readable string consisting of "XmY.ZZZs",
 * where X is the number of minutes, Y is the number of seconds and
 * ZZZ is the number of milliseconds.
 */
function msecs_to_string:string (msecs:long)
{
  ms = msecs % 1000;
  secs = msecs / 1000;
  mins = secs / 60;
  secs = secs % 60;
  return sprintf("%dm%d.%.3ds", mins, secs, ms);
}

/**
 * sfunction usecs_to_string - Human readable string for given microseconds
 *
 * @usecs: Number of microseconds to translate.
 *
 * Description: Returns a string representing the number of
 * microseconds as a human readable string consisting of "XmY.ZZZZZZs",
 * where X is the number of minutes, Y is the number of seconds and
 * ZZZZZZ is the number of microseconds.
 */
function usecs_to_string:string (usecs:long)
{
  us = usecs % 1000000;
  secs = usecs / 1000000;
  mins = secs / 60;
  secs = secs % 60;
  return sprintf("%dm%d.%.6ds", mins, secs, us);
}

/**
 * sfunction nsecs_to_string - Human readable string for given nanoseconds
 *
 * @nsecs: Number of nanoseconds to translate.
 *
 * Description: Returns a string representing the number of
 * nanoseconds as a human readable string consisting of "XmY.ZZZZZZs",
 * where X is the number of minutes, Y is the number of seconds and
 * ZZZZZZZZZ is the number of nanoseconds.
 */
function nsecs_to_string:string (nsecs:long)
{
  ns = nsecs % 1000000000;
  secs = nsecs / 1000000000;
  mins = secs / 60;
  secs = secs % 60;
  return sprintf("%dm%d.%.9ds", mins, secs, ns);
}

/**
 * sfunction cputime_to_string - Human readable string for given cputime
 *
 * @cputime: Time to translate.
 *
 * Description: Equivalent to calling:
 * msec_to_string (cputime_to_msecs (cputime).
 */
function cputime_to_string:string (cputime:long)
{
  return msecs_to_string (cputime_to_msecs (cputime));
}

/**
 * sfunction task_time_string - Human readable string of task time usage
 *
 * Description: Returns a human readable string showing the user and
 * system time the current task has used up to now.  For example
 * "usr: 0m12.908s, sys: 1m6.851s".
 */
function task_time_string:string ()
{
  return sprintf ("usr: %s, sys: %s",
                  cputime_to_string (task_utime()),
                  cputime_to_string (task_stime()));
}

/**
 * sfunction task_time_string_tid - Human readable string of task time usage
 *
 * @tid: Thread id of the given task
 *
 * Description: Returns a human readable string showing the user and
 * system time the given task has used up to now.  For example
 * "usr: 0m12.908s, sys: 1m6.851s".
 */
function task_time_string_tid:string (tid:long)
{
  return sprintf ("usr: %s, sys: %s",
                  cputime_to_string (task_utime_tid(tid)),
                  cputime_to_string (task_stime_tid(tid)));
}

${this.title}

Code Editor : task_time.stp