PowerTOP report

System information

PowerTOP version	1.99 alpha 1
Kernel version	Linux version 2.6.36+ (arjan@arjan-desktop.yourdomain.com.) (gcc version 4.5.0 20100414 (MeeGo 4.5.0-1) (GCC) ) #1 SMP PREEMPT Mon Nov 1 14:55:44 PDT 2010
System name	LENOVO 514328U ThinkPad X201s
CPU information	4x Intel(R) Core(TM) i7 CPU L 640 @ 2.13GHz
OS information	MeeGo release 1.1.80 (MeeGo)

Power consumption summary

Power est.	Usage/s	Events/s	Category	Description
3.44 W	100.0%		Device	Display backlight
1.03 W	3029 rpm		Device	Laptop fan
297 mW	100.0%		Device	Radio device: btusb
25.6 mW	79.6 us	12.2	Interrupt	[40] i915
21.2 mW	0.2 ms	10.0	Process	syndaemon -i 0.5 -k
13.2 mW	0.8 ms	5.7	Process	/usr/bin/Xorg :0 -logfile /tmp/Xorg.0.arjan.log -dpi 120 -nolisten tcp -noreset -auth /home/arjan/.Xauthority vt2
9.27 mW	0.1%		Device	SATA disk: INTEL SSDSA2SH03
8.62 mW	39.2 us	4.1	Timer	tick_sched_timer
5.48 mW	33.2 us	2.6	Timer	hrtimer_wakeup
5.18 mW	0.2 ms	2.3	Process	[btrfs-transacti]

Processor Idle state report

Package		Core		CPU 0			CPU 1
				C0 active	0.1%		0.1%
				C0 polling	0.0%	0.0 ms	0.0%	0.0 ms
				NHM-C1	0.0%	0.1 ms	0.1%	0.6 ms
C3 (pc3)	0.5%	C3 (cc3)	0.7%	NHM-C3	0.4%	3.6 ms	0.4%	2.7 ms
C6 (pc6)	96.6%	C6 (cc6)	98.9%	NHM-C6	99.5%	38.3 ms	99.3%	37.6 ms
		Core		CPU 2			CPU 3
				C0 active	0.1%		0.0%
				C0 polling	0.0%	0.0 ms	0.0%	0.0 ms
				NHM-C1	0.0%	0.0 ms	0.2%	2.5 ms
		C3 (cc3)	0.1%	NHM-C3	0.0%	0.6 ms	0.1%	1.1 ms
		C6 (cc6)	99.5%	NHM-C6	99.9%	60.4 ms	99.7%	58.8 ms

Processor frequency report

Package		Core		CPU 0		CPU 1
				Actual	1389 Mhz	1428 Mhz
Turbo Mode	0.0%	Turbo Mode	0.0%	Turbo Mode	0.0%	0.0%
2.14 Ghz	0.0%	2.14 Ghz	0.0%	2.14 Ghz	0.0%	0.0%
2.00 Ghz	0.0%	2.00 Ghz	0.0%	2.00 Ghz	0.0%	0.0%
1.87 Ghz	0.0%	1.87 Ghz	0.0%	1.87 Ghz	0.0%	0.0%
1.74 Ghz	0.0%	1.74 Ghz	0.0%	1.74 Ghz	0.0%	0.0%
1.60 Ghz	0.0%	1.60 Ghz	0.0%	1.60 Ghz	0.0%	0.0%
1466 Mhz	0.0%	1466 Mhz	0.0%	1466 Mhz	0.0%	0.0%
1333 Mhz	0.0%	1333 Mhz	0.0%	1333 Mhz	0.0%	0.0%
1199 Mhz	0.1%	1199 Mhz	0.1%	1199 Mhz	0.1%	0.0%
Idle	99.9%	Idle	99.9%	Idle	99.9%	100.0%
		Core		CPU 2		CPU 3
				Actual	1444 Mhz	1457 Mhz
		Turbo Mode	0.0%	Turbo Mode	0.0%	0.0%
		2.14 Ghz	0.0%	2.14 Ghz	0.0%	0.0%
		2.00 Ghz	0.0%	2.00 Ghz	0.0%	0.0%
		1.87 Ghz	0.0%	1.87 Ghz	0.0%	0.0%
		1.74 Ghz	0.0%	1.74 Ghz	0.0%	0.0%
		1.60 Ghz	0.0%	1.60 Ghz	0.0%	0.0%
		1466 Mhz	0.0%	1466 Mhz	0.0%	0.0%
		1333 Mhz	0.0%	1333 Mhz	0.0%	0.0%
		1199 Mhz	0.0%	1199 Mhz	0.0%	0.0%
		Idle	99.9%	Idle	99.9%	100.0%

Overview of software power consumers

Power est.	Usage/s	Wakeups/s	GPU ops/s	Category	Description
25.6 mW	79.6 us	12.2		Interrupt	[40] i915
21.2 mW	0.2 ms	10.0		Process	syndaemon -i 0.5 -k
13.2 mW	0.8 ms	5.7		Process	/usr/bin/Xorg :0 -logfile /tmp/Xorg.0.arjan.log -dpi 120 -nolisten tcp -noreset -auth /home/arjan/.Xauthority vt2
8.62 mW	39.2 us	4.1		Timer	tick_sched_timer
5.48 mW	33.2 us	2.6		Timer	hrtimer_wakeup
5.18 mW	0.2 ms	2.3		Process	[btrfs-transacti]
4.57 mW	0.1 ms	1.2	0.5	Process	/usr/bin/mutter --sm-disable
4.56 mW	47.3 us	2.1		Process	[btrfs-submit-0]
3.94 mW	55.8 us	1.8		kWork	cache_reap
3.69 mW	22.3 us	1.7		Process	[btrfs-endio-met]
2.69 mW	59.7 us	1.2		Interrupt	[4] block(softirq)
908 uW	0.6 ms	0.0		Process	./powertop --html
847 uW	83.9 us	0.3		Process	gnome-terminal
538 uW	11.4 us	0.2		Process	/usr/libexec/gnome-settings-daemon
386 uW	0.1 ms	0.1		Process	[btrfs-worker-0]
274 uW	46.9 us	0.1		Interrupt	[41] SATA controller
227 uW	13.4 us	0.1		Interrupt	[7] sched(softirq)
209 uW	0.3 us	0.1		kWork	intel_idle_update
209 uW	0.1 us	0.1		kWork	cfq_kick_queue
130 uW	18.8 us	0.0		Process	/usr/libexec/tracker-miner-fs
115 uW	7.9 us	0.0		Process	joe Makefile
109 uW	3.0 us	0.0		Process	[ksoftirqd/3]
107 uW	2.1 us	0.0		kWork	rt_worker_func
106 uW	1.5 us	0.0		Process	init [5]
105 uW	0.6 us	0.0		Process	[flush-btrfs-1]
105 uW	0.6 us	0.0		Timer	it_real_fn
105 uW	0.5 us	0.0		Process	[ksoftirqd/2]
105 uW	0.4 us	0.0		kWork	flush_to_ldisc
105 uW	0.3 us	0.0		Process	[sync_supers]
105 uW	0.3 us	0.0		kWork	neigh_periodic_work
105 uW	0.2 us	0.0		kWork	i915_gem_retire_work_handler
105 uW	0.2 us	0.0		Process	[btrfs-cleaner]
102 uW	73.6 us			Interrupt	[1] timer(softirq)
0 mW	31.4 us			Timer	delayed_work_timer_fn
0 mW	21.7 us			kWork	do_dbs_timer
0 mW	13.0 us			Process	[kworker/2:0]
0 mW	12.6 us			Interrupt	[9] RCU(softirq)
0 mW	10.3 us			Process	[kworker/1:2]
0 mW	9.3 us			Process	[kworker/0:2]
0 mW	6.1 us			Timer	clocksource_watchdog
0 mW	6.1 us			Process	[kworker/3:0]
0 mW	6.0 us			kWork	vmstat_update
0 mW	1.9 us			Timer	iwl_bg_monitor_recover
0 mW	1.0 us			Process	[kworker/u:1]
0 mW	0.3 us			Timer	process_timeout
0 mW	0.2 us			Timer	sync_supers_timer_fn
0 mW	0.2 us			Timer	intel_gpu_idle_timer
0 mW	0.1 us			Timer	i915_hangcheck_elapsed
0 mW	0.1 us			Timer	intel_crtc_idle_timer
0 mW	0.1 us			Timer	vblank_disable_fn
0 mW	0.1 us			Timer	peer_check_expire

Device power report

System baseline power is estimated at 7.39 W

Power est.	Usage	Device name
3.44 W	100.0%	Display backlight
1.03 W	3029 rpm	Laptop fan
297 mW	100.0%	Radio device: btusb
102 mW	0.3%	CPU use
9.27 mW	0.1%	SATA disk: INTEL SSDSA2SH03
1.80 mW	0.5 ops/s	GPU
0 mW	0.0 pkts/s	Network interface: eth0 (e1000e)
0 mW	100.0%	USB Device: Intel built in USB hub
0 mW	100.0%	USB device: EHCI Host Controller
0 mW	100.0%	Radio device: iwlagn
0 mW	100.0%	Radio device: thinkpad_acpi
0 mW	100.0%	USB device: Broadcom Bluetooth Device (Broadcom Corp)
0 mW	0.0%	Audio codec hwC0D0: Conexant
0 mW	0.0%	USB device: EHCI Host Controller
0 mW	0.0%	USB device: Biometric Coprocessor (UPEK)
0 mW	0.0%	USB Device: Intel built in USB hub
0 mW	0.0 pkts/s	Network interface: wlan0 (iwlagn)
	100.0%	PCI Device: Intel Corporation Device 4239
	100.0%	PCI Device: Intel Corporation Ibex Peak 6 port SATA AHCI Controller
	100.0%	PCI Device: Intel Corporation Ibex Peak USB2 Enhanced Host Controller
	100.0%	PCI Device: Intel Corporation Ibex Peak High Definition Audio
	100.0%	PCI Device: Intel Corporation Ibex Peak USB2 Enhanced Host Controller
	100.0%	PCI Device: Intel Corporation Device 10ea
	100.0%	PCI Device: Intel Corporation Ibex Peak KT Controller
	100.0%	PCI Device: Intel Corporation Device 0046
	100.0%	PCI Device: Intel Corporation Device 0044
	0.0%	SATA link: host1
	0.0%	SATA link: host2
	0.0%	Audio codec hwC0D3: Intel
	0.0%	SATA link: host5
	0.0%	SATA link: host4
	0.0%	SATA link: host3

Software settings in need of tuning

Autosuspend for USB device Broadcom Bluetooth Device (Broadcom Corp)

Runtime PM for PCI Device Intel Corporation Device 4239

Runtime PM for PCI Device Intel Corporation Ibex Peak 6 port SATA AHCI Controller

Runtime PM for PCI Device Intel Corporation Ibex Peak USB2 Enhanced Host Controller

Runtime PM for PCI Device Intel Corporation Ibex Peak High Definition Audio

Runtime PM for PCI Device Intel Corporation Ibex Peak USB2 Enhanced Host Controller

Runtime PM for PCI Device Intel Corporation Device 10ea

Runtime PM for PCI Device Intel Corporation Ibex Peak KT Controller

Runtime PM for PCI Device Intel Corporation Device 0044

Runtime PM for PCI Device Intel Corporation Device 0046

Untunable software issues

PCI Device Intel Corporation Device 2c62 has no runtime power management

PCI Device Intel Corporation Device 2d01 has no runtime power management

PCI Device Intel Corporation Device 2d10 has no runtime power management

PCI Device Intel Corporation Device 2d11 has no runtime power management

PCI Device Intel Corporation Device 2d12 has no runtime power management

PCI Device Intel Corporation Device 2d13 has no runtime power management

PCI Device Intel Corporation Ibex Peak HECI Controller has no runtime power management

PCI Device Intel Corporation Ibex Peak PCI Express Root Port 1 has no runtime power management

PCI Device Intel Corporation Ibex Peak PCI Express Root Port 4 has no runtime power management

PCI Device Intel Corporation Ibex Peak PCI Express Root Port 5 has no runtime power management

PCI Device Intel Corporation 82801 Mobile PCI Bridge has no runtime power management

PCI Device Intel Corporation Ibex Peak LPC Interface Controller has no runtime power management

PCI Device Intel Corporation Ibex Peak SMBus Controller has no runtime power management

PCI Device Intel Corporation Ibex Peak Thermal Subsystem has no runtime power management

Optimal tuned software settings

Bluetooth device interface status

Enable SATA link power management for /dev/sda

NMI watchdog should be turned off

VM writeback timeout

Enable Audio codec power management

Autosuspend for USB device Biometric Coprocessor (UPEK)

Autospuspend for unknown USB device 1-1 (8087:0020)

Autospuspend for unknown USB device 2-1 (8087:0020)

Autosuspend for USB device EHCI Host Controller [usb1]

Autosuspend for USB device EHCI Host Controller [usb2]

Wake-on-lan status for device eth0

Using 'ondemand' cpufreq governor