https://github.com/colinianking/eventstat

Eventstat periodically dumps out the current kernel event state. It keeps track of current events and outputs the change in events on each output update. The tool requires sudo to run since it needs to write to /proc/timer_stats to start and stop the event monitoring.
https://github.com/colinianking/eventstat

linux power-saving wakeup-calls

Last synced: about 1 year ago
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Eventstat periodically dumps out the current kernel event state. It keeps track of current events and outputs the change in events on each output update. The tool requires sudo to run since it needs to write to /proc/timer_stats to start and stop the event monitoring.

• Host: GitHub
• URL: https://github.com/colinianking/eventstat
• Owner: ColinIanKing
• License: gpl-2.0
• Created: 2015-06-24T10:11:33.000Z (about 11 years ago)
• Default Branch: master
• Last Pushed: 2025-01-01T22:37:14.000Z (over 1 year ago)
• Last Synced: 2025-04-21T08:06:45.458Z (about 1 year ago)
• Topics: linux, power-saving, wakeup-calls
• Language: C
• Homepage: https://github.com/ColinIanKing/eventstat
• Size: 367 KB
• Stars: 11
• Watchers: 5
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: COPYING

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README

          
# Eventstat

Eventstat periodically dumps out the current kernel event state.

It keeps track of current events and outputs the change in events

on each output update.

# Eventstat command line options:

* -c report cumulative events rather than events per second.

* -C report event count rather than event per second in CSV output.

* -d remove pathname from long process name in CSV output.

* -h print this help.

* -l use long cmdline text from /proc/pid/cmdline in CSV output.

* -n events - specifies number of events to display.

* -q run quietly, useful with option -r.

* -r filename  - specifies a comma separated values (CSV) output file to dump samples into.

* -s use short process name from /proc/pid/cmdline in CSV output.

* -S calculate min, max, average and standard deviation in CSV output.

* -t threshold - samples less than the specified threshold are ignored.

* -T 'top' mode

# Example Output:

```

sudo eventstat 10 1

  Evnt/s PID   Task            Init Function             Callback

  123.30  2253 alsa-sink       hrtimer_start_range_ns    hrtimer_wakeup

   55.20  2252 alsa-source     hrtimer_start_range_ns    hrtimer_wakeup

   41.20     0 swapper/0       hrtimer_start_range_ns    tick_sched_timer

   24.60     0 swapper/1       hrtimer_start_range_ns    tick_sched_timer

   22.70     0 swapper/0       hrtimer_start             tick_sched_timer

   18.20  2186 compiz          hrtimer_start_range_ns    hrtimer_wakeup

    8.00     0 swapper/1       usb_hcd_poll_rh_status    rh_timer_func

    5.00  2245 syndaemon       hrtimer_start_range_ns    hrtimer_wakeup

    2.20     0 swapper/1       hrtimer_start             tick_sched_timer

    2.10  3116 xchat-gnome     hrtimer_start_range_ns    hrtimer_wakeup

    2.00  3088 mumble          hrtimer_start_range_ns    hrtimer_wakeup

    1.10  2232 gvfs-afc-volume hrtimer_start_range_ns    hrtimer_wakeup

    1.00     5 kworker/u:0     queue_delayed_work        delayed_work_timer_fn

    1.00  2641 ubuntuone-syncd hrtimer_start_range_ns    hrtimer_wakeup

    1.00     0 swapper/1       add_timer                 tg3_timer

    1.00     1 swapper/0       start_bandwidth_timer     sched_rt_period_timer

    0.60 12547 firefox         hrtimer_start_range_ns    hrtimer_wakeup

    0.60  3097 threaded-ml     hrtimer_start_range_ns    hrtimer_wakeup

    0.50  1218 Xorg            intel_mark_busy           intel_gpu_idle_timer

    0.20  2178 gnome-settings- hrtimer_start_range_ns    hrtimer_wakeup

    0.20  3123 mumble          hrtimer_start_range_ns    hrtimer_wakeup

    0.20  1218 Xorg            hrtimer_start_range_ns    hrtimer_wakeup

    0.20  3123 mumble          sk_reset_timer            tcp_write_timer

    0.10  2465 gnome-terminal  hrtimer_start_range_ns    hrtimer_wakeup

N   0.00 13143 kworker/0:2     queue_delayed_work        delayed_work_timer_fn

N   0.00  1706 upowerd         schedule_timeout_interruptible process_timeout

N   0.00 12546 firefox         hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  2415 unity-applicati hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  2456 zeitgeist-datah hrtimer_start_range_ns    hrtimer_wakeup

N   0.00 12893 thunderbird-bin hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  1218 Xorg            i915_add_request          i915_hangcheck_elapsed

N   0.00  2200 nautilus        hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  3091 threaded-ml     laptop_io_completion      laptop_mode_timer_fn

N   0.00  1218 Xorg            intel_mark_busy           intel_crtc_idle_timer

N   0.00  1190 irqbalance      hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  1959 rtkit-daemon    hrtimer_start_range_ns    hrtimer_wakeup

N   0.00     0 swapper/0       dev_watchdog              dev_watchdog

N   0.00  1706 upowerd         acpi_ec_transaction_unlocked process_timeout

N   0.00  1706 upowerd         schedule_timeout_uninterruptible process_timeout

N   0.00    12 watchdog/1      hrtimer_start             watchdog_timer_fn

N   0.00  2153 ssh-agent       hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  1706 upowerd         hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  1570 accounts-daemon hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  2282 unity-panel-ser hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  1218 Xorg            drm_vblank_put            vblank_disable_fn

N   0.00 12896 thunderbird-bin hrtimer_start_range_ns    hrtimer_wakeup

N   0.00  2189 gconfd-2        hrtimer_start_range_ns    hrtimer_wakeup

N   0.00     7 watchdog/0      hrtimer_start             watchdog_timer_fn

N   0.00 13361 kworker/0:0     schedule_timeout_uninterruptible process_timeout

3122 Total events, 312.20 events/sec

```