PowerTOP report

System information

PowerTOP version	1.98 beta 1
Kernel version	Linux version 3.1.1-2.fc16.x86_64 (mockbuild@x86-07.phx2.fedoraproject.org) (gcc version 4.6.2 20111027 (Red Hat 4.6.2-1) (GCC) ) #1 SMP Mon Nov 14 15:46:10 UTC 2011
System name	LENOVO 4291CL9 ThinkPad X220
CPU information	4x Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz
OS information	Fedora release 16 (Verne)

Power consumption summary

168.5 wakeups/second, 0.0 GPU ops/second and 0.0 VFS ops/sec

Usage	Events/s	Category	Description
3851 rpm		Device	Laptop fan
518.3 us/s	66.4	Interrupt	[48] i915
562.9 us/s	27.2	Interrupt	[6] tasklet(softirq)
167.2 us/s	21.1	Timer	tick_sched_timer
57.7 us/s	9.8	kWork	ieee80211_iface_work
64.2 us/s	9.2	Timer	hrtimer_wakeup
0.0%	8.7	Process	xchat
0.3%	6.0	Process	/usr/bin/gnome-shell
0.1%	5.7	Process	/usr/bin/Xorg :0 -background none -verbose -auth /var/run/gdm/auth-for-gdm-P5tsrx/database -nolisten tcp vt1
55.0 us/s	3.1	kWork	iwl_bg_run_time_calib_work

Processor Idle state report

Package		Core		CPU 0			CPU 1
				C0 active	0.5%		0.1%
				POLL	0.0%	0.0 ms	0.0%	0.0 ms
				C1-SNB	0.5%	0.2 ms	0.2%	0.2 ms
C2 (pc2)	0.0%
C3 (pc3)	0.0%	C3 (cc3)	0.2%	C3-SNB	0.2%	0.3 ms	0.1%	0.4 ms
C6 (pc6)	0.0%	C6 (cc6)	0.0%	C6-SNB	0.0%	1.4 ms	0.0%	0.4 ms
C7 (pc7)	0.0%	C7 (cc7)	97.8%	C7-SNB	98.5%	7.4 ms	99.4%	35.5 ms
		Core		CPU 2			CPU 3
				C0 active	0.0%		0.0%
				POLL	0.0%	0.0 ms	0.0%	0.0 ms
				C1-SNB	4.8%	138.2 ms	0.1%	1.5 ms

		C3 (cc3)	0.0%	C3-SNB	0.0%	0.1 ms	0.0%	0.0 ms
		C6 (cc6)	0.0%	C6-SNB	0.0%	0.0 ms	0.0%	0.0 ms
		C7 (cc7)	95.1%	C7-SNB	95.1%	234.9 ms	99.9%	281.4 ms

Processor frequency report

Package		Core		CPU 0		CPU 1
				Actual	1.7 Ghz	1.6 Ghz
Turbo Mode	0.0%	Turbo Mode	0.0%	Turbo Mode	0.0%	0.0%
2.71 Ghz	0.0%	2.71 Ghz	0.0%	2.71 Ghz	0.0%	0.0%
2.21 Ghz	0.0%	2.21 Ghz	0.0%	2.21 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	0.0%	1.60 Ghz	0.0%	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	0.5%	800 Mhz	0.5%	800 Mhz	0.5%	0.1%
		Core		CPU 2		CPU 3
				Actual	2.0 Ghz	1.7 Ghz
		Turbo Mode	0.0%	Turbo Mode	0.0%	0.0%
		2.71 Ghz	0.0%	2.71 Ghz	0.0%	0.0%
		2.21 Ghz	0.0%	2.21 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	0.0%	1.60 Ghz	0.0%	0.0%
		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	0.0%	800 Mhz	0.0%	0.0%

Overview of software power consumers

Usage	Wakeups/s	Category	Description
518.3 us/s	66.4	Interrupt	[48] i915
562.9 us/s	27.2	Interrupt	[6] tasklet(softirq)
167.2 us/s	21.1	Timer	tick_sched_timer
57.7 us/s	9.8	kWork	ieee80211_iface_work
64.2 us/s	9.2	Timer	hrtimer_wakeup
471.2 us/s	8.7	Process	xchat
2.8 ms/s	6.0	Process	/usr/bin/gnome-shell
0.7 ms/s	5.7	Process	/usr/bin/Xorg :0 -background none -verbose -auth /var/run/gdm/auth-for-gdm-P5tsrx/database -nolisten tcp vt1
55.0 us/s	3.1	kWork	iwl_bg_run_time_calib_work
28.4 us/s	1.0	Process	/usr/libexec/gvfs-afc-volume-monitor
15.7 us/s	1.0	Process	[ksoftirqd/1]
84.7 us/s	0.9	Interrupt	[7] sched(softirq)
180.1 us/s	0.8	Process	gnome-terminal
14.2 us/s	0.8	Process	[ksoftirqd/0]
3.9 us/s	0.8	kWork	i915_gem_retire_work_handler
10.6 us/s	0.7	Interrupt	[4] block(softirq)
48.0 us/s	0.6	Process	cups-polld cups.bos.redhat.com 631 30 631
85.6 us/s	0.5	Process	/usr/sbin/vpnc --non-inter --no-detach -
28.8 us/s	0.5	Process	/bin/dbus-daemon --config-file=/etc/at-spi2/accessibility.conf --nofork --print-address 3
40.0 us/s	0.5	Process	/usr/sbin/cupsd -f
0.4 us/s	0.5	kWork	blk_delay_work
0.8 ms/s	0.05	Process	powertop --html powertop.html
35.4 us/s	0.3	Process	/usr/libexec/gnome-settings-daemon
106.9 us/s	0.20	Process	nm-applet
16.1 us/s	0.20	Process	sendmail: accepting connections
11.8 us/s	0.20	Process	[jbd2/sda2-8]
6.9 us/s	0.20	Process	[jbd2/sda3-8]
0.9 us/s	0.20	kWork	gen6_pm_rps_work
0.3 us/s	0.20	kWork	ieee80211_dynamic_ps_enable_wor
48.1 us/s	0.15	Process	/bin/dbus-daemon --system --address=systemd: --nofork --systemd-activation
0.4 us/s	0.15	kWork	iwl_bg_scan_completed
0.4 us/s	0.15	Timer	sched_rt_period_timer
33.8 us/s	0.10	Process	/usr/sbin/irqbalance
14.4 us/s	0.10	Process	/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
4.1 us/s	0.10	Process	/usr/libexec/rtkit-daemon
2.1 us/s	0.10	Process	/usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -B -u -f /var/log/wpa_supplicant.log -P /var/run/wpa_suppli
0.8 us/s	0.10	Process	[khugepaged]
0.2 us/s	0.10	kWork	neigh_periodic_work
0.1 us/s	0.10	kWork	cfq_kick_queue
227.3 us/s		Interrupt	[50] iwlagn
65.3 us/s	0.05	Process	evolution
42.0 us/s	0.05	Process	/usr/sbin/NetworkManager --no-daemon
7.9 us/s	0.05	Process	gnome-session
2.8 us/s	0.05	Process	[ksoftirqd/2]
2.4 us/s	0.05	Process	krb5-auth-dialog --auto
1.2 us/s	0.05	Process	/usr/libexec/gconfd-2
1.1 us/s	0.05	Process	[ksoftirqd/3]
0.6 us/s	0.05	Process	[flush-8:0]
0.4 us/s	0.05	Process	[sync_supers]
0.1 us/s	0.05	kWork	do_cache_clean
0.0 us/s	0.05	kWork	iwl_bg_start_internal_scan
122.9 us/s		Process	[kworker/0:0]
112.0 us/s		Timer	delayed_work_timer_fn
105.3 us/s		Interrupt	[1] timer(softirq)
100.5 us/s		Process	[kworker/u:35]
93.4 us/s		kWork	do_dbs_timer
87.2 us/s		Process	[kworker/u:0]
53.7 us/s		Timer	flush_unmaps_timeout
43.4 us/s		Interrupt	[9] RCU(softirq)
36.3 us/s		Process	[kworker/1:0]
20.8 us/s		kWork	iwl_bg_rx_replenish
15.0 us/s		Interrupt	[3] net_rx(softirq)
12.2 us/s		Process	[migration/1]
12.1 us/s		Process	[migration/0]
8.7 us/s		kWork	vmstat_update
8.5 us/s		Process	[kworker/3:1]
6.6 us/s		Process	[kworker/2:0]
6.1 us/s		Timer	clocksource_watchdog
5.6 us/s		Process	[migration/2]
5.6 us/s		Process	[migration/3]
5.3 us/s		Interrupt	[42] SATA controller
3.0 us/s		Timer	intel_gpu_idle_timer
1.2 us/s		Timer	iwl_bg_watchdog
1.0 us/s		Timer	intel_crtc_idle_timer
0.8 us/s		Timer	death_by_timeout
0.7 us/s		Timer	ieee80211_dynamic_ps_timer
0.6 us/s		Interrupt	[8] hrtimer(softirq)
0.4 us/s		kWork	iwl_bg_tt_work
0.4 us/s		Timer	tcp_write_timer
0.3 us/s		Timer	commit_timeout
0.3 us/s		Timer	process_timeout
0.2 us/s		Timer	i915_hangcheck_elapsed
0.2 us/s		Timer	cfq_idle_slice_timer
0.2 us/s		Timer	vblank_disable_fn
0.2 us/s		Timer	sync_supers_timer_fn
0.1 us/s		Timer	neigh_timer_handler
0.0 us/s		Timer	tcp_delack_timer
0.0 us/s		Timer	blk_rq_timed_out_timer

Process device activity

Process	Device
systemd	/dev/kmsg
	/dev/autofs
systemd-stdout-	/dev/kmsg
	/dev/console
	/dev/console
bluetoothd	/dev/rfkill
mcelog	/dev/mcelog
Xorg	/dev/dri/card0
	/dev/vga_arbiter
	/dev/input/event6
	/dev/input/event8
	/dev/input/event3
	/dev/input/event2
	/dev/input/event5
	/dev/input/event1
	/dev/input/event7
	/dev/input/event4
upowerd	/dev/input/event0
	/dev/network_latency
	/dev/cpu_dma_latency
gvfs-fuse-daemo	/dev/fuse
pulseaudio	/dev/snd/controlC0
	/dev/snd/controlC0
gnome-shell	/dev/rfkill
	/dev/dri/card0
vpnc	/dev/net/tun

Device power report

The battery reports a discharge rate of 16.0 W

Usage	Device name
3851 rpm	Laptop fan
0.8%	CPU use
168.8 pkts/s	nic:tun0
100.0%	Display backlight
100.0%	Display backlight
0.0%	USB device: EHCI Host Controller
0.0%	USB device: usb-device-8087-0024
0.0%	Audio codec hwC0D0: Conexant
0.0%	USB device: Broadcom Bluetooth Device (Broadcom Corp)
224.0 pkts/s	Network interface: wlan0 (iwlagn)
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
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 PCI Express Root Port 4
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller
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%	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 1
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller
100.0%	PCI Device: Intel Corporation Centrino Advanced-N 6205
100.0%	Radio device: iwlagn
100.0%	Radio device: thinkpad_acpi
100.0%	Radio device: btusb
100.0%	PCI Device: Ricoh Co Ltd Device e823
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2
0.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
0.0%	PCI Device: Intel Corporation 82579LM Gigabit Network Connection
0.0%	PCI Device: NEC Corporation uPD720200 USB 3.0 Host Controller
0.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
0.0%	USB device: Integrated Camera (Chicony Electronics Co., Ltd.)
0.0%	USB device: EHCI Host Controller
0.0%	USB device: xHCI Host Controller
0.0 pkts/s	Network interface: em1 (e1000e)
0.0%	Thinkpad light
0.0%	USB device: xHCI Host Controller
0.0%	USB device: usb-device-8087-0024
0.0%	Audio codec hwC0D3: Intel

Untunable software issues

PCI Device Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 has no runtime power management

PCI Device Intel Corporation QM67 Express Chipset Family LPC Controller has no runtime power management

Optimal tuned software settings

Wireless Power Saving for interface wlan0

Enable SATA link power management for /dev/sda

NMI watchdog should be turned off

Power Aware CPU scheduler

VM writeback timeout

Enable Audio codec power management

Bluetooth device interface status

Autosuspend for USB device Integrated Camera [Chicony Electronics Co., Ltd.]

Autosuspend for USB device EHCI Host Controller [usb1]

Autosuspend for USB device EHCI Host Controller [usb2]

Autosuspend for USB device xHCI Host Controller [usb3]

Autosuspend for USB device xHCI Host Controller [usb4]

Autosuspend for unknown USB device 2-1 (8087:0024)

Autosuspend for USB device Broadcom Bluetooth Device [Broadcom Corp]

Autosuspend for unknown USB device 1-1 (8087:0024)

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller

Runtime PM for PCI Device Intel Corporation 82579LM Gigabit Network Connection

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family KT Controller

Runtime PM for PCI Device Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller

Runtime PM for PCI Device Intel Corporation 2nd Generation Core Processor Family DRAM Controller

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4

Runtime PM for PCI Device NEC Corporation uPD720200 USB 3.0 Host Controller

Runtime PM for PCI Device Ricoh Co Ltd Device e823

Runtime PM for PCI Device Intel Corporation Centrino Advanced-N 6205

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller

Runtime PM for PCI Device Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7

Wake-on-lan status for device em1

Wake-on-lan status for device wlan0

Wake-on-lan status for device tun0

Using 'ondemand' cpufreq governor