PowerTOP Versionv2.1
Kernel VersionLinux version 3.4.1 (root@adsl-s04.cs.wisc.edu) (gcc version 4.7.0 20120507 (Red Hat 4.7.0-5) (GCC) ) #202 SMP Sun Sep 9 18:39:30 CDT 2012
System NameGigabyte Technology Co., Ltd. H77M-D3H To be filled by O.E.M.
CPU Information4x Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
OS InformationFedora release 17 (Beefy Miracle)

Power Consumption Summary

175.7 wakeups/second, 0.0 GPU ops/second, 0.0 VFS ops/sec, 0.0 GFX wakes/sec and 25.9% CPU use

UsageEvents/sCategoryDescription
100.0%DeviceAudio codec hwC0D3: Intel
100.0%DeviceAudio codec hwC0D2: VIA
0.1% 90.8Timertick_sched_timer
11.3% 28.7Processmake
8.2% 2.9Processcc1
2.7% 22.3Processsh
1.6% 6.8Processgcc
0.0% 8.7kWorkcfq_kick_queue
0.5% 1.2Processas
0.0% 2.0Interrupt[7] sched(softirq)

Processor Idle state report

Package  Core  CPU 0
  C0 active 47.8%
  POLL 0.0% 0.0 ms
  C1-SNB 1.7% 0.7 ms
C2 (pc2) 0.0%  
C3 (pc3) 0.2% C3 (cc3) 0.2% C3-SNB 0.2% 0.9 ms
C6 (pc6) 49.2% C6 (cc6) 51.3% C6-SNB 51.4% 20.8 ms
C7 (pc7) 0.0% C7 (cc7) 0.0% 
   Core  CPU 1
   C0 active 46.7%
   POLL 0.0% 0.0 ms
   C1-SNB 1.0% 0.4 ms
   
  C3 (cc3) 0.1% C3-SNB 0.1% 0.6 ms
  C6 (cc6) 53.0% C6-SNB 53.1% 19.4 ms
  C7 (cc7) 0.0% 
   Core  CPU 2
   C0 active 46.9%
   POLL 0.0% 0.2 ms
   C1-SNB 0.9% 0.4 ms
   
  C3 (cc3) 0.2% C3-SNB 0.2% 0.5 ms
  C6 (cc6) 52.8% C6-SNB 53.0% 19.5 ms
  C7 (cc7) 0.0% 
   Core  CPU 3
   C0 active 46.3%
   POLL 0.0% 0.3 ms
   C1-SNB 1.2% 0.3 ms
   
  C3 (cc3) 0.2% C3-SNB 0.2% 0.6 ms
  C6 (cc6) 53.2% C6-SNB 53.3% 21.4 ms
  C7 (cc7) 0.0% 

Processor frequency report

Package  Core  CPU 0
  Actual3.4 GHz
Turbo Mode 16.1%  Turbo Mode 14.9%  Turbo Mode 14.9%
3.71 GHz 0.1%  3.71 GHz 0.1%  3.71 GHz 0.1%
3.50 GHz 0.0%  3.50 GHz 0.0%  3.50 GHz 0.0%
3.40 GHz 0.0%  3.40 GHz 0.0%  3.40 GHz 0.0%
3.21 GHz 0.0%  3.21 GHz 0.0%  3.21 GHz 0.0%
3.10 GHz 0.0%  3.10 GHz 0.0%  3.10 GHz 0.0%
2.90 GHz 0.0%  2.90 GHz 0.0%  2.90 GHz 0.0%
2.81 GHz 0.0%  2.81 GHz 0.0%  2.81 GHz 0.0%
2.60 GHz 0.0%  2.60 GHz 0.0%  2.60 GHz 0.0%
2.50 GHz 0.1%  2.50 GHz 0.1%  2.50 GHz 0.1%
2.31 GHz 0.0%  2.31 GHz 0.0%  2.31 GHz 0.0%
2.21 GHz 0.0%  2.21 GHz 0.0%  2.21 GHz 0.0%
2.00 GHz 0.0%  2.00 GHz 0.0%  2.00 GHz 0.0%
1.91 GHz 0.0%  1.91 GHz 0.0%  1.91 GHz 0.0%
1.71 GHz 0.0%  1.71 GHz 0.0%  1.71 GHz 0.0%
1.60 GHz 3.8%  1.60 GHz 0.8%  1.60 GHz 0.8%
Idle 79.8%  Idle 84.0%  Idle 84.0%
   Core  CPU 1
   Actual3.4 GHz
  Turbo Mode 15.2%  Turbo Mode 15.2%
  3.71 GHz 0.0%  3.71 GHz 0.0%
  3.50 GHz 0.0%  3.50 GHz 0.0%
  3.40 GHz 0.0%  3.40 GHz 0.0%
  3.21 GHz 0.0%  3.21 GHz 0.0%
  3.10 GHz 0.0%  3.10 GHz 0.0%
  2.90 GHz 0.0%  2.90 GHz 0.0%
  2.81 GHz 0.0%  2.81 GHz 0.0%
  2.60 GHz 0.0%  2.60 GHz 0.0%
  2.50 GHz 0.1%  2.50 GHz 0.1%
  2.31 GHz 0.0%  2.31 GHz 0.0%
  2.21 GHz 0.0%  2.21 GHz 0.0%
  2.00 GHz 0.0%  2.00 GHz 0.0%
  1.91 GHz 0.0%  1.91 GHz 0.0%
  1.71 GHz 0.0%  1.71 GHz 0.0%
  1.60 GHz 2.0%  1.60 GHz 2.0%
  Idle 82.6%  Idle 82.6%
   Core  CPU 2
   Actual3.4 GHz
  Turbo Mode 14.2%  Turbo Mode 14.2%
  3.71 GHz 0.0%  3.71 GHz 0.0%
  3.50 GHz 0.0%  3.50 GHz 0.0%
  3.40 GHz 0.0%  3.40 GHz 0.0%
  3.21 GHz 0.0%  3.21 GHz 0.0%
  3.10 GHz 0.0%  3.10 GHz 0.0%
  2.90 GHz 0.0%  2.90 GHz 0.0%
  2.81 GHz 0.0%  2.81 GHz 0.0%
  2.60 GHz 0.0%  2.60 GHz 0.0%
  2.50 GHz 0.1%  2.50 GHz 0.1%
  2.31 GHz 0.0%  2.31 GHz 0.0%
  2.21 GHz 0.0%  2.21 GHz 0.0%
  2.00 GHz 0.0%  2.00 GHz 0.0%
  1.91 GHz 0.0%  1.91 GHz 0.0%
  1.71 GHz 0.0%  1.71 GHz 0.0%
  1.60 GHz 1.3%  1.60 GHz 1.3%
  Idle 84.3%  Idle 84.3%
   Core  CPU 3
   Actual3.4 GHz
  Turbo Mode 14.0%  Turbo Mode 14.0%
  3.71 GHz 0.0%  3.71 GHz 0.0%
  3.50 GHz 0.0%  3.50 GHz 0.0%
  3.40 GHz 0.0%  3.40 GHz 0.0%
  3.21 GHz 0.0%  3.21 GHz 0.0%
  3.10 GHz 0.0%  3.10 GHz 0.0%
  2.90 GHz 0.0%  2.90 GHz 0.0%
  2.81 GHz 0.0%  2.81 GHz 0.0%
  2.60 GHz 0.0%  2.60 GHz 0.0%
  2.50 GHz 0.0%  2.50 GHz 0.0%
  2.31 GHz 0.0%  2.31 GHz 0.0%
  2.21 GHz 0.0%  2.21 GHz 0.0%
  2.00 GHz 0.0%  2.00 GHz 0.0%
  1.91 GHz 0.0%  1.91 GHz 0.0%
  1.71 GHz 0.0%  1.71 GHz 0.0%
  1.60 GHz 0.7%  1.60 GHz 0.7%
  Idle 85.3%  Idle 85.3%

Overview of Software Power Consumers

UsageWakeups/sGPU ops/sDisk IO/sGFX Wakeups/sCategoryDescription
1.2 ms/s 90.8Timertick_sched_timer
112.8 ms/s 28.7Processmake
82.3 ms/s 2.9Processcc1
26.9 ms/s 22.3Processsh
15.9 ms/s 6.8Processgcc
256.0 us/s 8.7kWorkcfq_kick_queue
5.5 ms/s 1.2Processas
69.8 us/s 2.0Interrupt[7] sched(softirq)
4.5 ms/sProcessld
32.0 us/s 1.6kWorkflush_to_ldisc
304.1 us/s 1.4Interrupt[4] block(softirq)
654.1 us/s 1.2Interrupt[19] ata_piix
8.0 us/s 1.0kWorkioc_release_fn
2.3 ms/s 0.11Processmake -j 8
1.6 ms/s 0.3Processcollect2
137.3 us/s 0.8Processsshd: root@pts/2
32.7 us/s 0.7Interrupt[3] net_rx(softirq)
5.7 us/s 0.7Timerhrtimer_wakeup
3.6 us/s 0.7Timerwatchdog_timer_fn
222.0 us/s 0.5Processgnome-shell --gdm-mode
0.6 us/s 0.3kWorkmei_timer
615.5 us/s 0.05Processpowertop --html
52.5 us/s 0.27Process-bash
36.9 us/s 0.22Interrupt[44] p4p1
4.1 us/s 0.22Process/usr/libexec/rtkit-daemon
0.2 us/s 0.22kWorkblk_delay_work
551.4 us/sProcesscat
547.3 us/sInterrupt[9] RCU(softirq)
516.9 us/sTimerdelayed_work_timer_fn
1.1 us/s 0.16Process[watchdog/1]
1.1 us/s 0.16Process[watchdog/0]
1.1 us/s 0.16Process[watchdog/2]
1.1 us/s 0.16Process[watchdog/3]
389.6 us/skWorkdo_dbs_timer
42.8 us/s 0.11Processexpr
40.1 us/s 0.11Processcmp
12.3 us/s 0.11Processsendmail: accepting connections
10.8 us/s 0.11Process[jbd2/sda3-8]
1.5 us/s 0.11Process[flush-8:0]
1.1 us/s 0.11Process[flush-8:16]
0.8 us/s 0.11Timersched_rt_period_timer
197.9 us/sInterrupt[1] timer(softirq)
38.5 us/s 0.05Processrm
25.0 us/s 0.05kWorkrt_worker_func
19.6 us/s 0.05Process/usr/sbin/irqbalance
10.2 us/s 0.05Process[jbd2/sdb2-8]
6.1 us/s 0.05Processgrep
4.5 us/s 0.05Timerclocksource_watchdog
1.2 us/s 0.05Interrupt[2] net tx(softirq)
1.0 us/s 0.05Process/sbin/audispd
1.0 us/s 0.05Process[khugepaged]
0.6 us/s 0.05Process[sync_supers]
0.3 us/s 0.05kWorkneigh_periodic_work
104.6 us/sProcess[kworker/0:1]
68.8 us/sProcess[kworker/1:2]
68.2 us/sProcess[kworker/3:2]
58.2 us/sProcess[kworker/2:0]
55.2 us/sProcessmv
50.1 us/sTimercfq_idle_slice_timer
37.9 us/sProcessfind
37.5 us/sProcess[migration/1]
34.3 us/sProcess[migration/3]
33.6 us/sProcess[migration/2]
32.2 us/sProcess[migration/0]
27.3 us/sProcessfixdep
20.9 us/sProcesswc
13.1 us/sProcessmk_elfconfig
7.0 us/skWorkvmstat_update
6.7 us/skWorkwq_barrier_func
6.1 us/sProcesssed
3.0 us/sTimerprocess_timeout
1.9 us/sProcess[ksoftirqd/2]
1.1 us/sProcess[ksoftirqd/1]
1.0 us/sProcess[kworker/1:1]
0.9 us/sProcess[ksoftirqd/3]
0.9 us/sTimertcp_write_timer
0.5 us/sTimertcp_delack_timer
0.5 us/sProcess[ksoftirqd/0]
0.4 us/sTimersync_supers_timer_fn
0.3 us/sTimerdev_watchdog
0.3 us/sTimercommit_timeout
0.3 us/sInterrupt[8] hrtimer(softirq)
0.2 us/sTimerwakeup_timer_fn
0.2 us/sProcessmkdir
0.1 us/sTimerneigh_timer_handler

Device Power Report

UsageDevice name
25.9%CPU use
100.0%Audio codec hwC0D3: Intel
100.0%Audio codec hwC0D2: VIA
100.0%Display backlight
0.0 ops/sGPU
867.5 pkts/sNetwork interface: p4p1 (atl1c)
100.0%PCI Device: Intel Corporation Panther Point MEI Controller #1
100.0%PCI Device: Atheros Communications AR8151 v2.0 Gigabit Ethernet
100.0%PCI Device: Intel Corporation Panther Point 2 port SATA IDE Controller
100.0%PCI Device: Intel Corporation Panther Point 4 port SATA IDE Controller
100.0%PCI Device: Intel Corporation Panther Point USB Enhanced Host Controller #1
100.0%PCI Device: Intel Corporation Panther Point PCI Express Root Port 5
100.0%PCI Device: Intel Corporation Panther Point PCI Express Root Port 1
100.0%PCI Device: Intel Corporation Panther Point High Definition Audio Controller
100.0%PCI Device: Intel Corporation Panther Point USB Enhanced Host Controller #2
100.0%PCI Device: Intel Corporation Panther Point USB xHCI Host Controller
100.0%PCI Device: Intel Corporation 2nd Generation Core Processor Family DRAM Controller
100.0%USB device: USB KVM Switch (Justcom Technology)
100.0%USB device: xHCI Host Controller
0.0%USB device: EHCI Host Controller
0.0%USB device: usb-device-8087-0024
0.0%USB device: usb-device-8087-0024
0.0%USB device: EHCI Host Controller
0.0%USB device: xHCI Host Controller

Process device activity

ProcessDevice
systemd/dev/autofs
/dev/kmsg
mcelog/dev/mcelog
bluetoothd/dev/rfkill
Xorg/dev/input/event0
/dev/input/event1
/dev/input/event2
/dev/input/event3
/dev/input/event4
/dev/vga_arbiter
upowerd/dev/cpu_dma_latency
/dev/network_latency
pulseaudio/dev/snd/controlC0
/dev/snd/controlC0

Software Settings in need of Tuning

NMI watchdog should be turned offecho '0' > '/proc/sys/kernel/nmi_watchdog';
VM writeback timeoutecho '1500' > '/proc/sys/vm/dirty_writeback_centisecs';
Enable Audio codec power managementecho '1' > '/sys/module/snd_hda_intel/parameters/power_save';
Enable SATA link power management for /dev/sdaecho 'min_power' > '/sys/class/scsi_host/host0/link_power_management_policy';
Autosuspend for USB device USB KVM Switch [Justcom Technology]echo 'auto' > '/sys/bus/usb/devices/3-4/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point High Definition Audio Controllerecho 'auto' > '/sys/bus/pci/devices/0000:00:1b.0/power/control';
Runtime PM for PCI Device Intel Corporation 2nd Generation Core Processor Family DRAM Controllerecho 'auto' > '/sys/bus/pci/devices/0000:00:00.0/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point MEI Controller #1echo 'auto' > '/sys/bus/pci/devices/0000:00:16.0/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point USB Enhanced Host Controller #2echo 'auto' > '/sys/bus/pci/devices/0000:00:1a.0/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point PCI Express Root Port 1echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.0/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point PCI Express Root Port 5echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.4/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point USB Enhanced Host Controller #1echo 'auto' > '/sys/bus/pci/devices/0000:00:1d.0/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point 4 port SATA IDE Controllerecho 'auto' > '/sys/bus/pci/devices/0000:00:1f.2/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point 2 port SATA IDE Controllerecho 'auto' > '/sys/bus/pci/devices/0000:00:1f.5/power/control';
Runtime PM for PCI Device Atheros Communications AR8151 v2.0 Gigabit Ethernetecho 'auto' > '/sys/bus/pci/devices/0000:02:00.0/power/control';
Runtime PM for PCI Device Intel Corporation Panther Point USB xHCI Host Controllerecho 'auto' > '/sys/bus/pci/devices/0000:00:14.0/power/control';

Untunable Software Issues

PCI Device Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller has no runtime power management
PCI Device Intel Corporation 82801 PCI Bridge has no runtime power management
PCI Device Intel Corporation Panther Point LPC Controller has no runtime power management
PCI Device Intel Corporation Panther Point SMBus Controller has no runtime power management
PCI Device Intel Corporation 82801 PCI Bridge has no runtime power management

Optimal Tuned Software Settings

Autosuspend for USB device xHCI Host Controller [usb3]
Autosuspend for USB device xHCI Host Controller [usb4]
Autosuspend for USB device EHCI Host Controller [usb1]
Autosuspend for USB device EHCI Host Controller [usb2]
Autosuspend for unknown USB device 1-1 (8087:0024)
Autosuspend for unknown USB device 2-1 (8087:0024)
Wake-on-lan status for device p4p1
Using 'ondemand' cpufreq governor