System Information

PowerTOP Version v2.2
Kernel Version Linux version 3.7.7-201.fc18.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.7.2 20121109 (Red Hat 4.7.2-8) (GCC) ) #1 SMP Tue Feb 12 22:35:01 UTC 2013
System Name Dell Inc. 0675PR 01
CPU Information 4x Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz
OS Information Fedora release 18 (Spherical Cow)

Power Consumption Summary

257.4 wakeups/second, 6.1 GPU ops/second, 0.0 VFS ops/sec, 48.4 GFX wakes/sec and 4.3% CPU use

Usage Events/s Category Description
0.0% 0.4 Process /usr/bin/pulseaudio --start
100.0% Device Audio codec hwC0D3: Intel
0.4% 67.7 Process clipit
1.4% 42.7 Process /usr/bin/cinnamon
0.1% 54.0 Interrupt [43] i915
0.1% 20.3 Timer tick_sched_timer
0.1% 16.2 Interrupt [6] tasklet(softirq)
0.1% 13.0 Interrupt [7] sched(softirq)
0.0% 11.9 Timer hrtimer_wakeup
0.0% 8.0 Process [rcu_sched]
0.6% 3.6 Process /usr/bin/Xorg :0 -background none -verbose -auth /var/run/gdm/auth-for-gdm-6AYIhf/database -seat seat0 -nolisten tcp vt1

Processor Idle state report

Package 0   Core 0   CPU 0 CPU 2
    C0 active 0.6%   0.2%  
    POLL 0.0% 0.0 ms 0.0% 0.0 ms
    C1-SNB 0.3% 0.6 ms 0.0% 0.3 ms
C2 (pc2) 1.8%    
C3 (pc3) 0.8%   C3 (cc3) 1.3%   C3-SNB 0.3% 1.7 ms 0.0% 0.7 ms
C6 (pc6) 1.9%   C6 (cc6) 0.1%   C6-SNB 0.1% 4.0 ms 0.0% 0.0 ms
C7 (pc7) 67.8%   C7 (cc7) 95.5%   C7-SNB 97.7% 7.7 ms 99.4% 53.3 ms
    Core 1   CPU 1 CPU 3
      C0 active 0.8%   0.5%  
      POLL 0.0% 0.0 ms 0.0% 0.0 ms
      C1-SNB 0.5% 0.6 ms 0.0% 0.2 ms
     
    C3 (cc3) 1.3%   C3-SNB 0.1% 0.4 ms 0.0% 0.0 ms
    C6 (cc6) 0.0%   C6-SNB 0.0% 0.0 ms 0.0% 0.0 ms
    C7 (cc7) 94.6%   C7-SNB 97.3% 10.8 ms 99.1% 93.5 ms
    GPU 0  
     
    Powered On 23.7%  
    RC6 76.3%  
    RC6p 0.0%  
    RC6pp 0.0%  
     
     

Processor Frequency Report

Package 0   Core 0   CPU 0 CPU 2
    Actual 821 MHz 861 MHz
Turbo Mode 0.0%   Turbo Mode 0.0%   Turbo Mode 0.0% 0.0%
2.50 GHz 0.0%   2.50 GHz 0.0%   2.50 GHz 0.0% 0.0%
2.00 GHz 0.0%   2.00 GHz 0.0%   2.00 GHz 0.0% 0.0%
1.80 GHz 0.0%   1.80 GHz 0.0%   1.80 GHz 0.0% 0.0%
1.60 GHz 1.1%   1.60 GHz 0.1%   1.60 GHz 0.0% 0.0%
1400 MHz 0.0%   1400 MHz 0.0%   1400 MHz 0.0% 0.0%
1200 MHz 0.0%   1200 MHz 0.0%   1200 MHz 0.0% 0.0%
1000 MHz 0.0%   1000 MHz 0.0%   1000 MHz 0.0% 0.0%
800 MHz 2.4%   800 MHz 1.2%   800 MHz 1.2% 0.1%
Idle 96.5%   Idle 98.7%   Idle 98.8% 99.9%
    Core 1   CPU 1 CPU 3
      Actual 935 MHz 1399 MHz
    Turbo Mode 0.0%   Turbo Mode 0.0% 0.0%
    2.50 GHz 0.0%   2.50 GHz 0.0% 0.0%
    2.00 GHz 0.0%   2.00 GHz 0.0% 0.0%
    1.80 GHz 0.0%   1.80 GHz 0.0% 0.0%
    1.60 GHz 1.1%   1.60 GHz 0.4% 0.7%
    1400 MHz 0.0%   1400 MHz 0.0% 0.0%
    1200 MHz 0.0%   1200 MHz 0.0% 0.0%
    1000 MHz 0.0%   1000 MHz 0.0% 0.0%
    800 MHz 1.4%   800 MHz 1.3% 0.1%
    Idle 97.5%   Idle 98.3% 99.2%

Overview of Software Power Consumers

Usage Wakeups/s GPU ops/s Disk IO/s GFX Wakeups/s Category Description
113.7 us/s 0.4 Process /usr/bin/pulseaudio --start
4.3 ms/s 67.7 30.0 Process clipit
13.6 ms/s 37.4 5.3 16.7 Process /usr/bin/cinnamon
1.0 ms/s 54.0 Interrupt [43] i915
688.6 us/s 20.3 Timer tick_sched_timer
0.7 ms/s 16.2 Interrupt [6] tasklet(softirq)
663.0 us/s 13.0 Interrupt [7] sched(softirq)
330.7 us/s 11.9 Timer hrtimer_wakeup
149.8 us/s 8.0 Process [rcu_sched]
6.5 ms/s 3.6 Process /usr/bin/Xorg :0 -background none -verbose -auth /var/run/gdm/auth-for-gdm-6AYIhf/database -seat seat0 -nolisten tcp vt1
209.4 us/s 5.0 Process iscsid
469.1 us/s 2.5 0.9 0.9 Process roxterm
336.4 us/s 3.7 Process /usr/lib64/firefox/firefox
6.4 ms/s 0.05 Process StartupCache
397.2 us/s 1.7 0.3 Process /usr/libexec/gnome-settings-daemon
107.4 us/s 1.3 0.6 Process nm-applet
9.4 us/s 1.2 kWork intel_unpin_work_fn
16.8 us/s 1.0 Timer watchdog_timer_fn
10.2 us/s 0.9 kWork i915_gem_retire_work_handler
318.8 us/s 0.7 Process /usr/libexec/upowerd
15.3 us/s 0.7 Process [wl_event_handle]
4.6 us/s 0.6 Timer sched_rt_period_timer
28.1 us/s 0.5 Interrupt [4] block(softirq)
2.1 us/s 0.5 kWork mei_timer
0.0 us/s 0.5 kWork disk_events_workfn
1.1 ms/s 0.05 Process powertop --html
1.2 ms/s Timer wl_timer
26.4 us/s 0.5 Interrupt [9] acpi
118.6 us/s 0.3 Process /usr/sbin/NetworkManager --no-daemon
25.0 us/s 0.3 Process /usr/libexec/packagekitd
13.2 us/s 0.3 Process /usr/libexec/rtkit-daemon
6.1 us/s 0.25 Process [watchdog/0]
5.4 us/s 0.25 Process [watchdog/1]
5.1 us/s 0.25 Process [watchdog/3]
5.0 us/s 0.25 Process [watchdog/2]
32.7 us/s 0.20 Process sendmail: accepting connections
7.0 us/s 0.20 Process [flush-8:0]
340.4 us/s 0.05 Process firefox
463.5 us/s Interrupt [1] timer(softirq)
12.0 us/s 0.15 Interrupt [42] SATA controller
1.0 us/s 0.15 kWork neigh_periodic_work
0.4 us/s 0.15 kWork blk_delay_work
368.3 us/s Timer delayed_work_timer_fn
107.2 us/s 0.10 Process /usr/sbin/irqbalance
290.9 us/s kWork do_dbs_timer
37.3 us/s 0.10 Process /usr/libexec/tracker-store
33.0 us/s 0.10 Process [khugepaged]
272.5 us/s Interrupt [17] eth0
13.7 us/s 0.10 Process SSL Cert #1
5.7 us/s 0.10 Process /usr/sbin/wpa_supplicant -u -f /var/log/wpa_supplicant.log -c /etc/wpa_supplicant/wpa_supplicant.conf -u -f /var/log/wpa_suppli
4.5 us/s 0.10 Process /usr/bin/ssh-agent /bin/sh -c exec -l /bin/bash -c "/usr/bin/gnome-session --session=cinnamon"
223.4 us/s Process [kworker/2:0]
197.5 us/s Process [ksoftirqd/2]
153.7 us/s Process /bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
15.8 us/s 0.05 Process [jbd2/sda10-8]
140.3 us/s Interrupt [17] ehci_hcd:usb2
13.3 us/s 0.05 Process gnome-screensaver
12.8 us/s 0.05 Process /usr/bin/gnome-keyring-daemon --daemonize --login
132.9 us/s Process [kworker/1:0]
3.1 us/s 0.05 Process /sbin/rpcbind -w
2.2 us/s 0.05 Process [flush-253:0]
2.0 us/s 0.05 Process /sbin/audispd
0.2 us/s 0.05 kWork do_cache_clean
0.1 us/s 0.05 kWork process_req
0.1 us/s 0.05 kWork cfq_kick_queue
112.9 us/s Interrupt [17] firewire_ohci
108.6 us/s Process [kworker/0:2]
87.5 us/s Interrupt [9] RCU(softirq)
86.7 us/s Process /bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
57.1 us/s Process [kworker/3:0]
46.4 us/s Process [kworker/u:33]
45.0 us/s Process /usr/libexec/tracker-miner-fs
42.7 us/s Timer process_timeout
28.7 us/s Process [migration/2]
27.8 us/s Process [migration/1]
25.4 us/s Process /usr/bin/gnome-session --session=cinnamon
24.9 us/s Process [migration/0]
23.5 us/s kWork vmstat_update
20.6 us/s Process [migration/3]
11.1 us/s Timer clocksource_watchdog
4.5 us/s Timer tg3_timer
4.0 us/s Process [kworker/1:0H]
2.3 us/s Interrupt [8] hrtimer(softirq)
1.5 us/s Process [ksoftirqd/1]
1.5 us/s Timer death_by_timeout
1.5 us/s Process [ksoftirqd/0]
1.3 us/s Timer writeout_period
0.8 us/s Timer neigh_timer_handler
0.4 us/s Timer commit_timeout
0.2 us/s Timer cfq_idle_slice_timer
0.2 us/s Timer blk_rq_timed_out_timer

Device Power Report

The battery reports a discharge rate of 17.1 W

Usage Device name
4.3% CPU use
100.0% Audio codec hwC0D3: Intel
100.0% Audio codec hwC0D0: IDT (pulseaudio )
6.1 ops/s GPU
100.0% Display backlight
100.0% Display backlight
100.0% USB device: USB Optical Mouse (Logitech)
100.0% Radio device: wl
100.0% PCI Device: O2 Micro, Inc. O2 Flash Memory Card
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1
100.0% PCI Device: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller
100.0% PCI Device: Intel Corporation 2nd Generation Core Processor Family DRAM Controller
100.0% Radio device: btusb
100.0% PCI Device: O2 Micro, Inc. 1394 OHCI Compliant Host Controller
100.0% USB device: DW375 Bluetooth Module (Dell Computer Corp)
100.0% USB device: EHCI Host Controller
100.0% USB device: usb-device-8087-0024
100.0% PCI Device: O2 Micro, Inc. Integrated MMC/SD controller
100.0% PCI Device: O2 Micro, Inc. Device 8134
100.0% PCI Device: Broadcom Corporation BCM43228 802.11a/b/g/n
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
100.0% PCI Device: Intel Corporation HM65 Express Chipset Family LPC Controller
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3
100.0% PCI Device: Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe
100.0% PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2
0.0 pkts/s Network interface: p6p1 (tg3)
0.0 pkts/s Network interface: eth0 (wl)
0.0% USB device: EHCI Host Controller
0.0% USB device: usb-device-8087-0024

Process device activity

Process Device
systemd /dev/autofs
systemd-journal /dev/kmsg
/dev/kmsg
bluetoothd /dev/rfkill
systemd-logind /dev/input/event0
/dev/input/event1
/dev/input/event2
/dev/input/event3
/dev/input/event8
mcelog /dev/mcelog
wpa_supplicant /dev/rfkill
Xorg /dev/dri/card0
/dev/input/event1
/dev/input/event2
/dev/input/event3
/dev/input/event4
/dev/input/event5
/dev/input/event6
/dev/input/event7
/dev/input/event8
/dev/input/event9
/dev/vga_arbiter
upowerd /dev/cpu_dma_latency
/dev/input/event0
/dev/network_latency
gvfsd-fuse /dev/fuse
pulseaudio /dev/snd/controlC0
/dev/snd/controlC0
/dev/snd/controlC0
/dev/snd/controlC0
/dev/snd/pcmC0D0p
cinnamon /dev/dri/card0
/dev/rfkill

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 DW375 Bluetooth Module [Dell Computer Corp] echo 'auto' > '/sys/bus/usb/devices/2-1.6/power/control';
Autosuspend for USB device USB Optical Mouse [Logitech] echo 'auto' > '/sys/bus/usb/devices/2-1.2/power/control';
Runtime PM for PCI Device Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe echo 'auto' > '/sys/bus/pci/devices/0000:0a:00.0/power/control';
Runtime PM for PCI Device O2 Micro, Inc. 1394 OHCI Compliant Host Controller echo 'auto' > '/sys/bus/pci/devices/0000:09:00.0/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.5/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.1/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.2/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.0/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 echo 'auto' > '/sys/bus/pci/devices/0000:00:1a.0/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 echo 'auto' > '/sys/bus/pci/devices/0000:00:16.0/power/control';
Runtime PM for PCI Device Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:02.0/power/control';
Runtime PM for PCI Device Intel Corporation 2nd Generation Core Processor Family DRAM Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:00.0/power/control';
Runtime PM for PCI Device O2 Micro, Inc. O2 Flash Memory Card echo 'auto' > '/sys/bus/pci/devices/0000:09:00.2/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.3/power/control';
Runtime PM for PCI Device O2 Micro, Inc. Integrated MMC/SD controller echo 'auto' > '/sys/bus/pci/devices/0000:09:00.1/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.2/power/control';
Runtime PM for PCI Device Intel Corporation HM65 Express Chipset Family LPC Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.0/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 echo 'auto' > '/sys/bus/pci/devices/0000:00:1d.0/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7 echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.6/power/control';
Runtime PM for PCI Device Broadcom Corporation BCM43228 802.11a/b/g/n echo 'auto' > '/sys/bus/pci/devices/0000:02:00.0/power/control';
Runtime PM for PCI Device O2 Micro, Inc. Device 8134 echo 'auto' > '/sys/bus/pci/devices/0000:03:00.0/power/control';
Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller echo 'auto' > '/sys/bus/pci/devices/0000:00:1b.0/power/control';
Wake-on-lan status for device p6p1 ethtool -s p6p1 wol d;

Optimal Tuned Software Settings

Description
Bluetooth device interface status
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 eth0
Using 'ondemand' cpufreq governor