System Information

PowerTOP Version v2.4
Kernel Version Linux version 3.11.8-200.fc19.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.2 20131017 (Red Hat 4.8.2-1) (GCC) ) #1 SMP Wed Nov 13 16:29:59 UTC 2013
System Name Dell Inc. 0H634K
CPU Information 2x Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz
OS Information Fedora release 19 (Schrödinger’s Cat)

Power Consumption Summary

7.7 wakeups/second, 0.0 GPU ops/second, 0.0 VFS ops/sec, 3.9 GFX wakes/sec and 99.7% CPU use

Usage Events/s Category Description
92.3% 0.00 kWork nouveau_connector_hotplug_work
100.0% Device Audio codec hwC0D0: Analog Devices
5.5% 0.00 Process [kworker/0:1]
0.0% 5.7 Timer tick_sched_timer
1.1% 0.00 Process [migration/1]
0.0% 1.8 Process [rcu_sched]
0.3% 0.00 Interrupt [16] nouveau
0.1% 0.00 Process /usr/libexec/kde4/kdm_greet
0.2% 0.05 kWork disk_events_workfn
0.0% 0.00 Process [usb-storage]
0.1% 0.00 Interrupt [1] timer(softirq)

Processor Idle state report

Package 0     CPU 0
      CPU 1

Processor Frequency Report

Package 0     CPU 0
Idle 100.0%     Idle 100.0%
      CPU 1
      Idle 100.0%

Overview of Software Power Consumers

Usage Wakeups/s GPU ops/s Disk IO/s GFX Wakeups/s Category Description
923.3 ms/s kWork nouveau_connector_hotplug_work
54.6 ms/s Process [kworker/0:1]
438.3 us/s 5.7 Timer tick_sched_timer
10.7 ms/s Process [migration/1]
238.5 us/s 1.8 Process [rcu_sched]
3.0 ms/s Interrupt [16] nouveau
608.9 us/s 2.3 Process /usr/libexec/kde4/kdm_greet
1.6 ms/s 0.05 kWork disk_events_workfn
25.2 us/s 1.7 Process [usb-storage]
635.1 us/s Interrupt [1] timer(softirq)
549.9 us/s Process powertop --html=report.html
481.3 us/s Interrupt [16] uhci_hcd:usb3
9.7 us/s 0.15 Process [migration/0]
270.9 us/s Timer process_timeout
9.5 us/s 0.05 Interrupt [4] block(softirq)
4.0 us/s 0.05 Process [ksoftirqd/1]
49.4 us/s Process /usr/bin/X :0 vt1 -background none -nolisten tcp -seat seat0 -auth /var/run/kdm/A:0-uNJqsc
48.9 us/s Timer rh_timer_func
18.4 us/s Interrupt [40] hpet2
17.3 us/s kWork fb_flashcursor
17.1 us/s Process [kworker/1:4]
16.7 us/s kWork e1000_watchdog_task
15.4 us/s Interrupt [41] hpet3
14.1 us/s Process [kworker/1:2]
12.3 us/s Timer cursor_timer_handler
11.7 us/s Interrupt [7] sched(softirq)
10.9 us/s Process sendmail: accepting connections
6.8 us/s kWork vmstat_update
6.4 us/s Timer delayed_work_timer_fn
6.4 us/s Process [jbd2/sdb3-8]
5.0 us/s Process /usr/libexec/accounts-daemon
4.0 us/s Process [kworker/1:3]
3.6 us/s Timer clocksource_watchdog
3.4 us/s Timer ehci_hrtimer_func
3.3 us/s Timer hrtimer_wakeup
2.6 us/s Interrupt [9] RCU(softirq)
1.8 us/s Process [khugepaged]
1.5 us/s Process [kworker/1:1H]
1.4 us/s Process /usr/libexec/rtkit-daemon
1.3 us/s kWork blk_delay_work
1.2 us/s Process /sbin/auditd -n
1.0 us/s kWork neigh_periodic_work
0.9 us/s kWork mei_timer
0.9 us/s kWork bdi_writeback_workfn
0.9 us/s Process [watchdog/0]
0.7 us/s Interrupt [3] net_rx(softirq)
0.6 us/s Process [kworker/0:1H]
0.5 us/s Process [watchdog/1]
0.4 us/s Process /sbin/audispd
0.3 us/s Timer watchdog_timer_fn
0.2 us/s Timer dev_watchdog
0.2 us/s kWork do_cache_clean
0.2 us/s Timer e1000_watchdog
0.2 us/s Process [kworker/u16:7]
0.1 us/s Interrupt [2] net tx(softirq)
0.1 us/s Timer sched_rt_period_timer
0.1 us/s Timer commit_timeout
0.1 us/s Timer cfq_idle_slice_timer
0.1 us/s Timer blk_rq_timed_out_timer
0.0 us/s kWork cfq_kick_queue

Device Power Report

Usage Device name
99.7% CPU use
100.0% Audio codec hwC0D0: Analog Devices
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) SMBus Controller
100.0% PCI Device: Intel Corporation 82801 SATA Controller [RAID mode]
100.0% PCI Device: NVIDIA Corporation GK106 [GeForce GTX 650 Ti]
100.0% PCI Device: NVIDIA Corporation GK106 HDMI Audio Controller
100.0% USB device: UHCI Host Controller
100.0% USB device: usb-device-0424-2512
100.0% USB device: Backup+ Desk (Seagate)
100.0% USB device: usb-device-0424-2514
100.0% USB device: USB DISK 2.0 ( )
100.0% USB device: Dell QuietKey Keyboard (Dell)
100.0% USB device: EHCI Host Controller
100.0% USB device: EHCI Host Controller
100.0% PCI Device: Intel Corporation 4 Series Chipset HECI Controller
100.0% USB device: usb-device-0424-2602
100.0% USB device: Razer Copperhead Laser Mouse (Razer)
100.0% USB device: Flash Card Reader (Generic)
100.0% PCI Device: Intel Corporation 4 Series Chipset DRAM Controller
100.0% PCI Device: Intel Corporation 82801 PCI Bridge
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 2
100.0% PCI Device: Intel Corporation 4 Series Chipset PT IDER Controller
100.0% PCI Device: Intel Corporation 4 Series Chipset Serial KT Controller
100.0% PCI Device: Intel Corporation 82567LM-3 Gigabit Network Connection
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #4
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #5
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #6
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #2
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) HD Audio Controller
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 1
100.0% PCI Device: Intel Corporation 4 Series Chipset PCI Express Root Port
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #1
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #2
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #3
100.0% PCI Device: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #1
100.0% PCI Device: Intel Corporation 82801JDO (ICH10DO) LPC Interface Controller
0.0% USB device: UHCI Host Controller
0.0% USB device: UHCI Host Controller
0.0% USB device: UHCI Host Controller
0.0% USB device: UHCI Host Controller
0.0% USB device: UHCI Host Controller
0.0 pkts/s Network interface: em1 (e1000e)
0.0% USB device: usb-device-0424-2504

Process device activity

Process Device
systemd /dev/autofs
/dev/kmsg
systemd-journal /dev/kmsg
/dev/kmsg
alsactl /dev/snd/controlC0
/dev/snd/controlC1
systemd-logind /dev/input/event0
/dev/input/event1
mcelog /dev/mcelog
X /dev/dri/card0
/dev/vga_arbiter

Software Settings in need of Tuning

Description Script
VM writeback timeout echo '1500' > '/proc/sys/vm/dirty_writeback_centisecs';
Enable SATA link power Managmenet for host0 echo 'min_power' > '/sys/class/scsi_host/host0/link_power_management_policy';
Enable SATA link power Managmenet for host1 echo 'min_power' > '/sys/class/scsi_host/host1/link_power_management_policy';
Enable SATA link power Managmenet for host2 echo 'min_power' > '/sys/class/scsi_host/host2/link_power_management_policy';
Enable SATA link power Managmenet for host3 echo 'min_power' > '/sys/class/scsi_host/host3/link_power_management_policy';
Enable SATA link power Managmenet for host4 echo 'min_power' > '/sys/class/scsi_host/host4/link_power_management_policy';
Enable SATA link power Managmenet for host5 echo 'min_power' > '/sys/class/scsi_host/host5/link_power_management_policy';
Enable Audio codec power management echo '1' > '/sys/module/snd_hda_intel/parameters/power_save';
NMI watchdog should be turned off echo '0' > '/proc/sys/kernel/nmi_watchdog';
Autosuspend for USB device Backup+ Desk [Seagate] echo 'auto' > '/sys/bus/usb/devices/1-5/power/control';
Autosuspend for USB device USB DISK 2.0 [ ] echo 'auto' > '/sys/bus/usb/devices/2-4/power/control';
Autosuspend for USB device Dell QuietKey Keyboard [Dell] echo 'auto' > '/sys/bus/usb/devices/4-2/power/control';
Autosuspend for USB device Razer Copperhead Laser Mouse [Razer] echo 'auto' > '/sys/bus/usb/devices/1-6.2/power/control';
Autosuspend for USB device Flash Card Reader [Generic] echo 'auto' > '/sys/bus/usb/devices/1-3.1.1/power/control';
Runtime PM for PCI Device Intel Corporation 82801 PCI Bridge echo 'auto' > '/sys/bus/pci/devices/0000:00:1e.0/power/control';
Runtime PM for PCI Device Intel Corporation 4 Series Chipset Serial KT Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:03.3/power/control';
Runtime PM for PCI Device Intel Corporation 4 Series Chipset DRAM Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:00.0/power/control';
Runtime PM for PCI Device Intel Corporation 4 Series Chipset PCI Express Root Port echo 'auto' > '/sys/bus/pci/devices/0000:00:01.0/power/control';
Runtime PM for PCI Device Intel Corporation 4 Series Chipset HECI Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:03.0/power/control';
Runtime PM for PCI Device Intel Corporation 4 Series Chipset PT IDER Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:03.2/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #5 echo 'auto' > '/sys/bus/pci/devices/0000:00:1a.1/power/control';
Runtime PM for PCI Device NVIDIA Corporation GK106 HDMI Audio Controller echo 'auto' > '/sys/bus/pci/devices/0000:01:00.1/power/control';
Runtime PM for PCI Device NVIDIA Corporation GK106 [GeForce GTX 650 Ti] echo 'auto' > '/sys/bus/pci/devices/0000:01:00.0/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) SMBus Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.3/power/control';
Runtime PM for PCI Device Intel Corporation 82801 SATA Controller [RAID mode] echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.2/power/control';
Runtime PM for PCI Device Intel Corporation 82801JDO (ICH10DO) LPC Interface Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.0/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #3 echo 'auto' > '/sys/bus/pci/devices/0000:00:1d.2/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #1 echo 'auto' > '/sys/bus/pci/devices/0000:00:1d.7/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #2 echo 'auto' > '/sys/bus/pci/devices/0000:00:1d.1/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #6 echo 'auto' > '/sys/bus/pci/devices/0000:00:1a.2/power/control';
Runtime PM for PCI Device Intel Corporation 82567LM-3 Gigabit Network Connection echo 'auto' > '/sys/bus/pci/devices/0000:00:19.0/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #2 echo 'auto' > '/sys/bus/pci/devices/0000:00:1a.7/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) HD Audio Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:1b.0/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 1 echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.0/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #4 echo 'auto' > '/sys/bus/pci/devices/0000:00:1a.0/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 2 echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.1/power/control';
Runtime PM for PCI Device Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #1 echo 'auto' > '/sys/bus/pci/devices/0000:00:1d.0/power/control';
Wake-on-lan status for device em1 ethtool -s em1 wol d;

Optimal Tuned Software Settings

Description
Autosuspend for unknown USB device 1-6 (0424:2514)
Autosuspend for unknown USB device 1-2 (0424:2504)
Autosuspend for unknown USB device 1-3 (0424:2512)
Autosuspend for unknown USB device 1-3.1 (0424:2602)
Autosuspend for USB device UHCI Host Controller [usb5]
Autosuspend for USB device UHCI Host Controller [usb6]
Autosuspend for USB device UHCI Host Controller [usb4]
Autosuspend for USB device UHCI Host Controller [usb7]
Autosuspend for USB device UHCI Host Controller [usb3]
Autosuspend for USB device EHCI Host Controller [usb1]
Autosuspend for USB device EHCI Host Controller [usb2]
Autosuspend for USB device UHCI Host Controller [usb8]
Using 'ondemand' cpufreq governor