PowerTOP report

Processor frequency report

Package		Core		CPU 0		CPU 2
				Actual	895 MHz	829 MHz
Turbo Mode	1.5%	Turbo Mode	1.4%	Turbo Mode	1.4%	0.1%
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	0.1%	1.80 GHz	0.1%	1.80 GHz	0.1%	0.0%
1.60 GHz	0.1%	1.60 GHz	0.1%	1.60 GHz	0.1%	0.0%
1400 MHz	0.0%	1400 MHz	0.0%	1400 MHz	0.0%	0.0%
1200 MHz	0.2%	1200 MHz	0.2%	1200 MHz	0.2%	0.0%
1000 MHz	1.2%	1000 MHz	1.2%	1000 MHz	1.2%	0.0%
800 MHz	63.9%	800 MHz	61.6%	800 MHz	61.5%	1.8%
Idle	33.1%	Idle	35.4%	Idle	35.5%	98.1%
		Core		CPU 1		CPU 3
				Actual	823 MHz	821 MHz
		Turbo Mode	1.2%	Turbo Mode	1.2%	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	0.1%	1.80 GHz	0.1%	0.0%
		1.60 GHz	0.1%	1.60 GHz	0.1%	0.0%
		1400 MHz	0.0%	1400 MHz	0.0%	0.0%
		1200 MHz	0.0%	1200 MHz	0.0%	0.0%
		1000 MHz	0.9%	1000 MHz	0.9%	0.0%
		800 MHz	47.5%	800 MHz	47.1%	1.5%
		Idle	50.2%	Idle	50.7%	98.4%

Overview of Software Power Consumers

Usage	Wakeups/s	GPU ops/s	GFX Wakeups/s	Category	Description
38.6 ms/s	107.1	26.3	58.8	Process	/usr/bin/cinnamon
27.2 ms/s	75.1	0.1	38.0	Process	clementine
15.7 ms/s	81.6			Process	/usr/lib64/xulrunner/plugin-container /usr/lib64/flash-plugin/libflashplayer.so -greomni /usr/lib64/xulrunner/omni.ja -appomni
366.8 us/s	11.3	21.8	14.7	Process	/usr/lib64/firefox/firefox -no-remote -ProfileManager
3.3 ms/s	32.8			Timer	tick_sched_timer
4.1 ms/s	25.1			Interrupt	[7] sched(softirq)
2.7 ms/s	21.9			Interrupt	[43] i915
2.3 ms/s	11.2			Timer	hrtimer_wakeup
0.8 ms/s	11.8			Process	/usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --log-error=/var/log/mysqld.lo
16.5 ms/s	1.3			Process	/usr/bin/Xorg :0 -background none -verbose -auth /var/run/gdm/auth-for-gdm-l0zLqX/database -nolisten tcp vt1
0.8 ms/s	6.0			Interrupt	[6] tasklet(softirq)
0.8 ms/s	1.5	2.1	1.2	Process	roxterm
146.4 us/s	3.3			Process	iscsid
2.6 ms/s				kWork	acpi_os_execute_deferred
3.6 us/s	1.0			kWork	sync_cmos_clock
678.3 us/s	0.4	0.1	0.4	Process	[kworker/0:0]
338.4 us/s	0.6		0.2	Process	/usr/libexec/gnome-settings-daemon
95.0 us/s	0.6		0.3	Process	nm-applet
1.5 ms/s				Timer	delayed_work_timer_fn
44.2 us/s	0.5			Process	/usr/sbin/lldpad
1.3 ms/s				kWork	do_dbs_timer
5.2 us/s	0.5			kWork	i915_gem_retire_work_handler
0.0 us/s	0.5			kWork	disk_events_workfn
1.2 ms/s				Interrupt	[1] timer(softirq)
295.6 us/s	0.4			Process	/sbin/udevd
411.3 us/s	0.3			Process	ksmtuned
14.3 us/s	0.5			Process	[wl_event_handle]
54.0 us/s	0.4		0.1	Process	/usr/libexec/evolution/3.2/evolution-alarm-notify
663.4 us/s	0.10			Process	ps
0.9 ms/s				Interrupt	PS/2 Touchpad / Keyboard / Mouse
31.3 us/s	0.3			Interrupt	[4] block(softirq)
582.7 us/s	0.05			Process	powertop --html /data/tim/notes/powertop_report_f16.html
5.3 us/s	0.25			Process	[watchdog/2]
109.2 us/s	0.20			Process	/usr/sbin/NetworkManager --no-daemon
538.0 us/s				Process	/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
14.7 us/s	0.20			Timer	watchdog_timer_fn
3.6 us/s	0.20			Process	[watchdog/3]
100.2 us/s	0.15			Process	/usr/bin/gnome-session --session=cinnamon
412.0 us/s				Process	[kworker/2:1]
406.7 us/s				Timer	wl_timer
19.0 us/s	0.15			Process	[jbd2/sda7-8]
0.3 us/s	0.15			kWork	blk_delay_work
348.9 us/s				Process	[kworker/3:0]
77.4 us/s	0.10			Process	sleep 60
70.6 us/s	0.10			Process	/usr/sbin/irqbalance
31.3 us/s	0.10			Process	sendmail: accepting connections
264.5 us/s				Interrupt	[17] eth0
6.9 us/s	0.10			Process	/usr/sbin/fcoemon --syslog
1.9 us/s	0.10			Process	[watchdog/0]
1.1 us/s	0.10			Timer	it_real_fn
244.6 us/s				Process	[kworker/1:0]
226.2 us/s				Timer	timeout_func
69.5 us/s	0.05			Process	[kthreadd]
32.6 us/s	0.05		0.1	Process	/usr/bin/seapplet
177.0 us/s				Process	libvirtd --daemon
27.6 us/s	0.05			Process	abrt-applet
151.1 us/s				Interrupt	[9] RCU(softirq)
18.2 us/s	0.05			Process	/usr/sbin/crond -n
141.9 us/s				Interrupt	[17] ehci_hcd:usb2
8.4 us/s	0.05			Process	/usr/libexec/packagekitd
8.0 us/s	0.05			Process	/usr/libexec/rtkit-daemon
6.5 us/s	0.05			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
4.0 us/s	0.05			Process	/usr/libexec/gconfd-2
3.4 us/s	0.05			Process	[flush-8:0]
3.0 us/s	0.05			Process	/usr/bin/ssh-agent /bin/sh -c exec -l /bin/bash -c "/usr/bin/gnome-session --session=cinnamon"
2.1 us/s	0.05			Process	[kworker/3:1]
1.4 us/s	0.05			Process	[khugepaged]
1.0 us/s	0.05			kWork	neigh_periodic_work
0.2 us/s	0.05			kWork	ioc_release_fn
0.1 us/s	0.05			kWork	cfq_kick_queue
0.1 us/s	0.05			kWork	do_cache_clean
119.4 us/s				Interrupt	[17] firewire_ohci
114.1 us/s				Process	/bin/dbus-daemon --system --address=systemd: --nofork --systemd-activation
110.9 us/s				Process	[ksoftirqd/1]
57.8 us/s				Interrupt	[9] acpi
42.8 us/s				Process	gnome-screensaver
30.0 us/s				Process	/usr/libexec/gdu-notification-daemon
29.3 us/s				Interrupt	[8] hrtimer(softirq)
28.9 us/s				kWork	vmstat_update
20.6 us/s				Process	awk
19.9 us/s				Process	[migration/3]
17.5 us/s				Process	[migration/1]
14.4 us/s				Process	[kworker/u:5]
14.3 us/s				Process	[migration/0]
13.6 us/s				Interrupt	[42] SATA controller
13.2 us/s				Process	[migration/2]
11.9 us/s				Timer	clocksource_watchdog
10.8 us/s				Process	[kworker/0:2]
7.7 us/s				Process	[ksoftirqd/0]
6.2 us/s				Process	[ksoftirqd/2]
5.7 us/s				Process	kworker/0:2
5.4 us/s				Timer	tg3_timer
2.7 us/s				Timer	br_hello_timer_expired
2.6 us/s				Process	/bin/bash /usr/sbin/ksmtuned
2.6 us/s				Process	[kworker/0:1H]
2.6 us/s				Timer	death_by_timeout
2.3 us/s				Process	[kworker/0:1]
2.1 us/s				Timer	process_timeout

Device Power Report

The battery reports a discharge rate of 15.5 W

Usage	Device name
12.8%	CPU use
100.0%	Audio codec hwC0D0: IDT
100.0%	Audio codec hwC0D3: Intel
50.3 ops/s	GPU
100.0%	Display backlight
100.0%	Display backlight
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1
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
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3
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 7
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
100.0%	PCI Device: Intel Corporation HM65 Express Chipset Family LPC Controller
100.0%	PCI Device: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
100.0%	PCI Device: Broadcom Corporation BCM43228 802.11a/b/g/n
100.0%	PCI Device: O2 Micro, Inc. Device 8134
100.0%	PCI Device: O2 Micro, Inc. Device 13f7
100.0%	PCI Device: O2 Micro, Inc. Device 8321
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 2nd Generation Core Processor Family Integrated Graphics Controller
100.0%	Radio device: wl
100.0%	Radio device: btusb
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
0.0 pkts/s	nic:virbr0-nic
0.0 pkts/s	nic:virbr0
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
	/dev/kmsg
systemd-stdout-	/dev/console
	/dev/console
	/dev/kmsg
bluetoothd	/dev/rfkill
mcelog	/dev/mcelog
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/vga_arbiter
upowerd	/dev/cpu_dma_latency
	/dev/input/event0
	/dev/network_latency
gvfs-fuse-daemo	/dev/fuse
pulseaudio	/dev/snd/controlC0
cinnamon	/dev/dri/card0
	/dev/rfkill

Software Settings in need of Tuning

NMI watchdog should be turned off	echo '0' > '/proc/sys/kernel/nmi_watchdog';
VM writeback timeout	echo '1500' > '/proc/sys/vm/dirty_writeback_centisecs';
Enable Audio codec power management	echo '1' > '/sys/module/snd_hda_intel/parameters/power_save';
Enable SATA link power management for /dev/sda	echo 'min_power' > '/sys/class/scsi_host/host0/link_power_management_policy';
Autosuspend for USB device DW375 Bluetooth Module [Dell Computer Corp]	echo 'auto' > '/sys/bus/usb/devices/2-1.6/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 7	echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.6/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 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 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 High Definition Audio Controller	echo 'auto' > '/sys/bus/pci/devices/0000:00:1b.0/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 PCI Express Root Port 2	echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.1/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 6 port SATA AHCI Controller	echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.2/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 O2 Micro, Inc. Device 13f7	echo 'auto' > '/sys/bus/pci/devices/0000:09:00.0/power/control';
Runtime PM for PCI Device O2 Micro, Inc. Device 8321	echo 'auto' > '/sys/bus/pci/devices/0000:09:00.1/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 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';
Wake-on-lan status for device p6p1	ethtool -s p6p1 wol d;

Untunable Software Issues

PCI Device Intel Corporation 2nd Generation Core Processor Family DRAM Controller has no runtime power management

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

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

PCI Device O2 Micro, Inc. Device 8331 has no runtime power management

Optimal Tuned Software Settings

Bluetooth device interface status

Autosuspend for USB device EHCI Host Controller [usb1]

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

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

Autosuspend for USB device EHCI Host Controller [usb2]

Wake-on-lan status for device eth0

Wake-on-lan status for device virbr0

Wake-on-lan status for device virbr0-nic

Using 'ondemand' cpufreq governor

PowerTOP Version	v2.1
Kernel Version	Linux version 3.6.11-4.fc16.x86_64 (mockbuild@bkernel02) (gcc version 4.6.3 20120306 (Red Hat 4.6.3-2) (GCC) ) #1 SMP Tue Jan 8 20:57:42 UTC 2013
System Name	Dell Inc. 0675PR 01
CPU Information	4x Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz
OS Information	Fedora release 16 (Verne)

Package		Core		CPU 0			CPU 2
				C0 active	3.5%		1.2%
				POLL	0.0%	0.0 ms	0.0%	0.0 ms
				C1-SNB	1.3%	0.5 ms	0.1%	0.3 ms
C2 (pc2)	6.5%
C3 (pc3)	1.1%	C3 (cc3)	1.1%	C3-SNB	1.1%	0.9 ms	0.1%	0.5 ms
C6 (pc6)	8.2%	C6 (cc6)	0.1%	C6-SNB	0.1%	1.1 ms	0.0%	0.7 ms
C7 (pc7)	57.8%	C7 (cc7)	82.6%	C7-SNB	87.8%	2.5 ms	96.4%	9.4 ms
		Core		CPU 1			CPU 3
				C0 active	2.7%		0.7%
				POLL	0.0%	0.0 ms	0.0%	0.0 ms
				C1-SNB	0.7%	0.5 ms	0.1%	0.3 ms

		C3 (cc3)	1.0%	C3-SNB	1.0%	2.0 ms	0.0%	0.4 ms
		C6 (cc6)	0.4%	C6-SNB	0.4%	4.6 ms	0.0%	0.7 ms
		C7 (cc7)	86.4%	C7-SNB	89.8%	4.0 ms	97.7%	14.9 ms
		GPU

		Active	7.1%
		RC6	92.9%
		RC6p	0.0%
		RC6pp	0.0%

Power Consumption Summary

Processor Idle state report