Ingo Molnar 289f480af8 [PATCH] Add debugging feature /proc/timer_list ...

add /proc/timer_list, which prints all currently pending (high-res) timers,
all clock-event sources and their parameters in a human-readable form.

Sample output:

Timer List Version: v0.1
HRTIMER_MAX_CLOCK_BASES: 2
now at 4246046273872 nsecs

cpu: 0
 clock 0:
  .index:      0
  .resolution: 1 nsecs
  .get_time:   ktime_get_real
  .offset:     1273998312645738432 nsecs
active timers:
 clock 1:
  .index:      1
  .resolution: 1 nsecs
  .get_time:   ktime_get
  .offset:     0 nsecs
active timers:
 #0: <f5a90ec8>, hrtimer_sched_tick, hrtimer_stop_sched_tick, swapper/0
 # expires at 4246432689566 nsecs [in 386415694 nsecs]
 #1: <f5a90ec8>, hrtimer_wakeup, do_nanosleep, pcscd/2050
 # expires at 4247018194689 nsecs [in 971920817 nsecs]
 #2: <f5a90ec8>, hrtimer_wakeup, do_nanosleep, irqbalance/1909
 # expires at 4247351358392 nsecs [in 1305084520 nsecs]
 #3: <f5a90ec8>, hrtimer_wakeup, do_nanosleep, crond/2157
 # expires at 4249097614968 nsecs [in 3051341096 nsecs]
 #4: <f5a90ec8>, it_real_fn, do_setitimer, syslogd/1888
 # expires at 4251329900926 nsecs [in 5283627054 nsecs]
  .expires_next   : 4246432689566 nsecs
  .hres_active    : 1
  .check_clocks   : 0
  .nr_events      : 31306
  .idle_tick      : 4246020791890 nsecs
  .tick_stopped   : 1
  .idle_jiffies   : 986504
  .idle_calls     : 40700
  .idle_sleeps    : 36014
  .idle_entrytime : 4246019418883 nsecs
  .idle_sleeptime : 4178181972709 nsecs

cpu: 1
 clock 0:
  .index:      0
  .resolution: 1 nsecs
  .get_time:   ktime_get_real
  .offset:     1273998312645738432 nsecs
active timers:
 clock 1:
  .index:      1
  .resolution: 1 nsecs
  .get_time:   ktime_get
  .offset:     0 nsecs
active timers:
 #0: <f5a90ec8>, hrtimer_sched_tick, hrtimer_restart_sched_tick, swapper/0
 # expires at 4246050084568 nsecs [in 3810696 nsecs]
 #1: <f5a90ec8>, hrtimer_wakeup, do_nanosleep, atd/2227
 # expires at 4261010635003 nsecs [in 14964361131 nsecs]
 #2: <f5a90ec8>, hrtimer_wakeup, do_nanosleep, smartd/2332
 # expires at 5469485798970 nsecs [in 1223439525098 nsecs]
  .expires_next   : 4246050084568 nsecs
  .hres_active    : 1
  .check_clocks   : 0
  .nr_events      : 24043
  .idle_tick      : 4246046084568 nsecs
  .tick_stopped   : 0
  .idle_jiffies   : 986510
  .idle_calls     : 26360
  .idle_sleeps    : 22551
  .idle_entrytime : 4246043874339 nsecs
  .idle_sleeptime : 4170763761184 nsecs

tick_broadcast_mask: 00000003
event_broadcast_mask: 00000001

CPU#0's local event device:

Clock Event Device: lapic
 capabilities:   0000000e
 max_delta_ns:   807385544
 min_delta_ns:   1443
 mult:           44624025
 shift:          32
 set_next_event: lapic_next_event
 set_mode:       lapic_timer_setup
 event_handler:  hrtimer_interrupt
  .installed:  1
  .expires:    4246432689566 nsecs

CPU#1's local event device:

Clock Event Device: lapic
 capabilities:   0000000e
 max_delta_ns:   807385544
 min_delta_ns:   1443
 mult:           44624025
 shift:          32
 set_next_event: lapic_next_event
 set_mode:       lapic_timer_setup
 event_handler:  hrtimer_interrupt
  .installed:  1
  .expires:    4246050084568 nsecs

Clock Event Device: hpet
 capabilities:   00000007
 max_delta_ns:   2147483647
 min_delta_ns:   3352
 mult:           61496110
 shift:          32
 set_next_event: hpet_next_event
 set_mode:       hpet_set_mode
 event_handler:  handle_nextevt_broadcast

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2007-02-16 08:13:59 -08:00

..

irq

[PATCH] Add a function to handle interrupt affinity setting

2007-02-16 08:13:56 -08:00

power

[PATCH] swsusp: Change pm_ops handling by userland interface

2007-02-11 10:51:20 -08:00

time

[PATCH] Add debugging feature /proc/timer_list

2007-02-16 08:13:59 -08:00

.gitignore

gitignore: ignore more generated files

2006-01-03 11:35:26 +01:00

acct.c

[PATCH] kernel: change uses of f_{dentry, vfsmnt} to use f_path

2006-12-08 08:28:42 -08:00

audit.c

[PATCH] Add include/linux/freezer.h and move definitions from sched.h

2006-12-07 08:39:27 -08:00

audit.h

[PATCH] audit: AUDIT_PERM support

2006-09-11 13:32:30 -04:00

auditfilter.c

[PATCH] audit: fix audit_filter_user_rules() initialization bug

2007-02-11 10:51:34 -08:00

auditsc.c

[PATCH] struct path: convert kernel

2006-12-08 08:28:46 -08:00

capability.c

[PATCH] pid: replace do/while_each_task_pid with do/while_each_pid_task

2007-02-12 09:48:32 -08:00

compat.c

[PATCH] Common compat_sys_sysinfo

2007-02-11 10:51:32 -08:00

configs.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

cpu.c

[PATCH] swsusp: Change code ordering in disk.c

2007-02-11 10:51:19 -08:00

cpuset.c

[PATCH] mark struct inode_operations const 2

2007-02-12 09:48:46 -08:00

delayacct.c

[PATCH] slab: remove kmem_cache_t

2006-12-07 08:39:25 -08:00

dma.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

exec_domain.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

exit.c

[PATCH] pid: replace is_orphaned_pgrp with is_current_pgrp_orphaned

2007-02-12 09:48:32 -08:00

extable.c

[PATCH] symbol_put_addr() locks kernel

2006-05-15 11:20:55 -07:00

fork.c

[PATCH] hrtimers: namespace and enum cleanup

2007-02-16 08:13:58 -08:00

futex_compat.c

[PATCH] __user annotations: futex

2006-10-10 15:37:22 -07:00

futex.c

[PATCH] hrtimers: namespace and enum cleanup

2007-02-16 08:13:58 -08:00

hrtimer.c

[PATCH] Add debugging feature /proc/timer_stat

2007-02-16 08:13:59 -08:00

itimer.c

[PATCH] hrtimers: prevent possible itimer DoS

2007-02-16 08:13:59 -08:00

kallsyms.c

[PATCH] move kallsyms data to .rodata

2006-12-08 08:28:37 -08:00

Kconfig.hz

[PATCH] HZ: 300Hz support

2006-12-07 08:39:36 -08:00

Kconfig.preempt

[PATCH] sched: voluntary kernel preemption

2005-06-25 16:24:45 -07:00

kexec.c

Merge branch 'release' of master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6

2006-12-07 15:39:22 -08:00

kfifo.c

[PATCH] Numerous fixes to kernel-doc info in source files.

2007-02-11 10:51:32 -08:00

kmod.c

[PATCH] x86-64: Allow to run a program when a machine check event is detected

2007-02-13 13:26:23 +01:00

kprobes.c

[PATCH] kprobes: replace magic numbers with enum

2007-01-30 16:01:35 -08:00

ksysfs.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

kthread.c

[PATCH] Numerous fixes to kernel-doc info in source files.

2007-02-11 10:51:32 -08:00

latency.c

[PATCH] severing module.h->sched.h

2006-12-04 02:00:22 -05:00

lockdep_internals.h

[PATCH] lockdep: more chains

2006-12-07 08:39:43 -08:00

lockdep_proc.c

[PATCH] remove many unneeded #includes of sched.h

2007-02-14 08:09:54 -08:00

lockdep.c

[PATCH] lockdep: add graph depth information to /proc/lockdep

2007-02-11 10:51:26 -08:00

Makefile

[PATCH] sysctl: move utsname sysctls to their own file

2007-02-14 08:09:58 -08:00

module.c

/sys/modules/*/holders

2007-02-07 10:37:12 -08:00

mutex-debug.c

[PATCH] remove many unneeded #includes of sched.h

2007-02-14 08:09:54 -08:00

mutex-debug.h

[PATCH] lockdep: better lock debugging

2006-07-03 15:27:01 -07:00

mutex.c

[PATCH] lockdep: avoid lockdep warning in md

2006-12-08 08:28:39 -08:00

mutex.h

[PATCH] lockdep: prove mutex locking correctness

2006-07-03 15:27:04 -07:00

nsproxy.c

Revert "[PATCH] namespaces: fix exit race by splitting exit"

2007-01-30 13:35:18 -08:00

panic.c

[PATCH] Add TAINT_USER and ability to set taint flags from userspace

2007-02-11 10:51:29 -08:00

params.c

/sys/modules/*/holders

2007-02-07 10:37:12 -08:00

pid.c

[PATCH] namespaces: fix task exit disaster

2007-01-30 13:40:36 -08:00

posix-cpu-timers.c

[PATCH] posix-cpu-timers: prevent signal delivery starvation

2006-10-17 08:18:43 -07:00

posix-timers.c

[PATCH] hrtimers: add high resolution timer support

2007-02-16 08:13:59 -08:00

printk.c

[PATCH] order of lockdep off/on in vprintk() should be changed

2007-02-11 11:18:06 -08:00

profile.c

[PATCH] proc: remove useless (and buggy) ->nlink settings

2007-02-11 10:51:32 -08:00

ptrace.c

[PATCH] pidspace: is_init()

2006-09-29 09:18:12 -07:00

rcupdate.c

[PATCH] rcu: add a prefetch() in rcu_do_batch()

2006-12-07 08:39:40 -08:00

rcutorture.c

[PATCH] rcu: rcutorture suspend fix

2006-12-30 10:55:55 -08:00

relay.c

[PATCH] Numerous fixes to kernel-doc info in source files.

2007-02-11 10:51:32 -08:00

resource.c

[PATCH] remove many unneeded #includes of sched.h

2007-02-14 08:09:54 -08:00

rtmutex_common.h

[PATCH] pi-futex: futex_lock_pi/futex_unlock_pi support

2006-06-27 17:32:47 -07:00

rtmutex-debug.c

Remove all inclusions of <linux/config.h>

2006-10-04 03:38:54 -04:00

rtmutex-debug.h

[PATCH] lockdep: better lock debugging

2006-07-03 15:27:01 -07:00

rtmutex-tester.c

[PATCH] Add include/linux/freezer.h and move definitions from sched.h

2006-12-07 08:39:27 -08:00

rtmutex.c

[PATCH] hrtimers: namespace and enum cleanup

2007-02-16 08:13:58 -08:00

rtmutex.h

[PATCH] lockdep: better lock debugging

2006-07-03 15:27:01 -07:00

rwsem.c

[PATCH] lockdep: prove rwsem locking correctness

2006-07-03 15:27:04 -07:00

sched.c

[PATCH] i386: paravirt CPU hypercall batching mode

2007-02-13 13:26:21 +01:00

seccomp.c

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

signal.c

[PATCH] hrtimers: prevent possible itimer DoS

2007-02-16 08:13:59 -08:00

softirq.c

[PATCH] tick-management: dyntick / highres functionality

2007-02-16 08:13:59 -08:00

softlockup.c

[PATCH] check return value of cpu_callback

2006-09-29 09:18:14 -07:00

spinlock.c

[PATCH] lockdep: spin_lock_irqsave_nested()

2006-11-25 13:28:34 -08:00

srcu.c

[PATCH] SRCU: report out-of-memory errors

2006-10-04 07:55:30 -07:00

stacktrace.c

[PATCH] lockdep: stacktrace subsystem, core

2006-07-03 15:27:02 -07:00

stop_machine.c

[PATCH] stop_machine.c copyright

2006-09-29 09:18:24 -07:00

sys_ni.c

[PATCH] Create compat_sys_migrate_pages

2006-11-03 12:27:59 -08:00

sys.c

[PATCH] pid: replace do/while_each_task_pid with do/while_each_pid_task

2007-02-12 09:48:32 -08:00

sysctl.c

[PATCH] sysctl: add a parent entry to ctl_table and set the parent entry

2007-02-14 08:10:00 -08:00

taskstats.c

[PATCH] taskstats: cleanup reply assembling

2006-12-07 08:39:34 -08:00

time.c

[PATCH] Fix multiple conversion bugs in msecs_to_jiffies

2007-02-16 08:13:56 -08:00

timer.c

[PATCH] Add debugging feature /proc/timer_stat

2007-02-16 08:13:59 -08:00

tsacct.c

[PATCH] io-accounting: via taskstats

2006-12-10 09:55:41 -08:00

uid16.c

[PATCH] Add more prevent_tail_call()

2006-04-19 16:27:18 -07:00

user.c

[PATCH] slab: remove kmem_cache_t

2006-12-07 08:39:25 -08:00

utsname_sysctl.c

[PATCH] sysctl: remove insert_at_head from register_sysctl

2007-02-14 08:09:59 -08:00

utsname.c

[PATCH] namespaces: utsname: implement CLONE_NEWUTS flag

2006-10-02 07:57:22 -07:00

wait.c

[PATCH] uninline init_waitqueue_head()

2006-07-10 13:24:25 -07:00

workqueue.c

[PATCH] Add debugging feature /proc/timer_stat

2007-02-16 08:13:59 -08:00