PowerTOP report

System information

PowerTOP version	1.98 beta 1
Kernel version	Linux version 3.3.0-1.fc17.x86_64 (mockbuild@x86-12.phx2.fedoraproject.org) (gcc version 4.7.0 20120308 (Red Hat 4.7.0-0.19) (GCC) ) #1 SMP Mon Mar 19 03:03:39 UTC 2012
System name	Apple Inc. Mac-942C5DF58193131B 1.0
CPU information	2x Intel(R) Core(TM)2 Duo CPU L9400 @ 1.86GHz
OS information	Fedora release 17 (Beefy Miracle)

Power consumption summary

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

Usage	Events/s	Category	Description
0.4%	39.9	Process	/usr/bin/python /usr/sbin/tuned -d
0.8 ms/s	11.3	Timer	hrtimer_wakeup
164.3 us/s	8.7	kWork	ieee80211_iface_work
0.1%	7.5	Process	/usr/libexec/upowerd
0.4%	6.2	Process	/usr/bin/gnome-shell
0.1%	6.9	Process	/usr/bin/Xorg :0 -background none -logverbose 7 -auth /var/run/gdm/auth-for-gdm-1loKYE/database -seat seat0 -nolisten tcp vt1
493.4 us/s	6.6	Timer	tick_sched_timer
616.3 us/s	5.7	Interrupt	[6] tasklet(softirq)
0.0%	4.1	Process	[usb-storage]
3.6 ms/s	1.5	kWork	_brcms_timer

Processor Idle state report

Package		CPU 0
POLL	0.0%	POLL	0.0%	0.0 ms
C1	0.0%	C1	0.0%	0.0 ms
C2	0.2%	C2	0.1%	0.9 ms
C3	98.3%	C3	98.1%	11.6 ms
		CPU 1
		POLL	0.0%	0.0 ms
		C1	0.0%	0.0 ms
		C2	0.2%	2.0 ms
		C3	98.4%	12.0 ms

Processor frequency report

Package		CPU 0
1.87 Ghz	0.0%	1.87 Ghz	0.0%
1.60 Ghz	0.0%	1.60 Ghz	0.0%
798 Mhz	1.2%	798 Mhz	1.2%
Idle	98.8%	Idle	98.8%
		CPU 1
		1.87 Ghz	0.0%
		1.60 Ghz	0.0%
		798 Mhz	0.1%
		Idle	99.9%

Overview of software power consumers

Usage	Wakeups/s	Category	Description
4.2 ms/s	39.9	Process	/usr/bin/python /usr/sbin/tuned -d
0.8 ms/s	11.3	Timer	hrtimer_wakeup
164.3 us/s	8.7	kWork	ieee80211_iface_work
0.8 ms/s	7.5	Process	/usr/libexec/upowerd
4.0 ms/s	6.2	Process	/usr/bin/gnome-shell
1.3 ms/s	6.9	Process	/usr/bin/Xorg :0 -background none -logverbose 7 -auth /var/run/gdm/auth-for-gdm-1loKYE/database -seat seat0 -nolisten tcp vt1
493.4 us/s	6.6	Timer	tick_sched_timer
616.3 us/s	5.7	Interrupt	[6] tasklet(softirq)
129.6 us/s	4.1	Process	[usb-storage]
3.6 ms/s	1.5	kWork	_brcms_timer
227.9 us/s	2.7	Interrupt	[7] sched(softirq)
601.9 us/s	0.9	Process	gnome-terminal
0.0 us/s	0.9	kWork	disk_events_workfn
35.4 us/s	0.8	Process	[loop4]
442.9 us/s	0.5	Process	/bin/dbus-daemon --system --address=systemd: --nofork --systemd-activation
92.2 us/s	0.6	Process	nm-applet
36.6 us/s	0.6	Process	[jbd2/dm-0-8]
0.0 us/s	0.5	kWork	do_work
176.9 us/s	0.4	Process	/usr/libexec/gnome-settings-daemon
69.1 us/s	0.4	Process	[ksoftirqd/1]
5.5 us/s	0.4	Timer	sched_rt_period_timer
228.7 us/s	0.30	Process	/usr/sbin/NetworkManager --no-daemon
0.8 ms/s		Interrupt	[0] timer/0
10.6 us/s	0.30	Timer	watchdog_timer_fn
67.6 us/s	0.25	Process	nautilus
560.5 us/s	0.05	Process	powertop --html
35.1 us/s	0.25	Process	[ksoftirqd/0]
4.6 us/s	0.25	Process	[watchdog/1]
4.2 us/s	0.25	Process	[watchdog/0]
43.8 us/s	0.20	Process	sendmail: accepting connections
41.0 us/s	0.20	Process	/usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -B -u -u -f /var/log/wpa_supplicant.log -P /var/run/wpa_sup
18.3 us/s	0.20	Process	/usr/libexec/rtkit-daemon
2.5 us/s	0.20	kWork	dm_wq_work
0.0 us/s	0.20	kWork	acpi_os_execute_deferred
27.6 us/s	0.15	Interrupt	[21] ehci_hcd:usb1
1.2 us/s	0.15	kWork	neigh_periodic_work
39.7 us/s	0.10	Process	/usr/libexec/tracker-miner-fs
282.4 us/s		Process	[kworker/0:3]
273.1 us/s		Timer	delayed_work_timer_fn
265.7 us/s		Interrupt	[1] timer(softirq)
255.8 us/s		kWork	do_dbs_timer
189.4 us/s		Interrupt	[23] brcmsmac
62.4 us/s	0.05	Process	gnome-session
53.2 us/s	0.05	Process	/usr/libexec/libsocialweb-core
174.3 us/s		Process	[kworker/u:0]
166.9 us/s		Process	[kworker/1:0]
36.6 us/s	0.05	Process	/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
3.3 us/s	0.05	Process	/usr/libexec/gconfd-2
2.7 us/s	0.05	Process	[khugepaged]
2.7 us/s	0.05	kWork	ieee80211_sta_monitor_work
2.2 us/s	0.05	Process	/sbin/audispd
1.6 us/s	0.05	Process	[sync_supers]
115.3 us/s		Timer	process_timeout
76.2 us/s		Interrupt	[9] RCU(softirq)
74.2 us/s		Interrupt	[19] ehci_hcd:usb2
70.9 us/s		Process	[kworker/0:1]
38.4 us/s		Interrupt	[4] block(softirq)
33.4 us/s		Timer	ehci_watchdog
17.9 us/s		Process	[migration/0]
12.9 us/s		kWork	vmstat_update
3.9 us/s		Process	[migration/1]
2.5 us/s		Interrupt	[8] hrtimer(softirq)
0.7 us/s		Timer	ieee80211_sta_timer
0.7 us/s		Timer	sync_supers_timer_fn
0.7 us/s		Timer	ieee80211_sta_conn_mon_timer
0.6 us/s		Interrupt	[18] nouveau
0.4 us/s		Timer	addrconf_verify
0.2 us/s		Timer	blk_rq_timed_out_timer

Process device activity

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

Device power report

The battery reports a discharge rate of 11.1 W

Usage	Device name
2.2%	CPU use
100.0%	Display backlight
20.0%	Display backlight
0.0%	Audio codec hwC0D0: Cirrus Logic
100.0%	PCI Device: nVidia Corporation Device 08a3
100.0%	PCI Device: Broadcom Corporation BCM43224 802.11a/b/g/n
100.0%	PCI Device: nVidia Corporation Device 0d9b
100.0%	PCI Device: nVidia Corporation MCP89 SATA Controller
100.0%	PCI Device: nVidia Corporation MCP89 High Definition Audio
100.0%	PCI Device: nVidia Corporation MCP89 EHCI USB 2.0 Controller
100.0%	PCI Device: nVidia Corporation MCP89 OHCI USB 1.1 Controller
100.0%	PCI Device: nVidia Corporation MCP89 EHCI USB 2.0 Controller
100.0%	PCI Device: nVidia Corporation MCP89 OHCI USB 1.1 Controller
100.0%	Radio device: brcmsmac
100.0%	Radio device: btusb
100.0%	USB device: Mass Storage Device (JetFlash)
100.0%	USB device: Bluetooth USB Host Controller (Apple Inc.)
100.0%	USB device: BRCM2070 Hub (Apple Inc.)
100.0%	USB device: Apple Internal Keyboard / Trackpad (Apple Inc.)
100.0%	USB device: Card Reader (Apple)
100.0%	USB device: Ma獳s Storage Device (USB2.0 External)
100.0%	USB device: OHCI Host Controller
100.0%	USB device: EHCI Host Controller
100.0%	USB device: EHCI Host Controller
0.0%	Audio codec hwC0D4: Nvidia
0.0%	Audio codec hwC0D3: Nvidia
0.0%	Audio codec hwC0D5: Nvidia
0.0 pkts/s	Network interface: wlan0 (brcmsmac)
0.0%	USB device: Built-in iSight (Apple Inc.)
0.0%	USB device: OHCI Host Controller

Software settings in need of tuning

Wireless Power Saving for interface wlan0	iw dev wlan0 set power_save off
NMI watchdog should be turned off	echo '0' > '/proc/sys/kernel/nmi_watchdog';
Enable Audio codec power management	echo '1' > '/sys/module/snd_hda_intel/parameters/power_save';
Autosuspend for USB device Mass Storage Device [JetFlash]	echo 'auto' > '/sys/bus/usb/devices/2-2/power/control';
Autosuspend for USB device Apple Internal Keyboard / Trackpad [Apple Inc.]	echo 'auto' > '/sys/bus/usb/devices/3-3/power/control';
Autosuspend for USB device Bluetooth USB Host Controller [Apple Inc.]	echo 'auto' > '/sys/bus/usb/devices/3-5.3/power/control';
Autosuspend for USB device Card Reader [Apple]	echo 'auto' > '/sys/bus/usb/devices/2-1/power/control';
Autosuspend for USB device Ma獳s Storage Device [USB2.0 External]	echo 'auto' > '/sys/bus/usb/devices/1-1/power/control';
Runtime PM for PCI Device nVidia Corporation MCP89 High Definition Audio	echo 'auto' > '/sys/bus/pci/devices/0000:00:08.0/power/control';
Runtime PM for PCI Device nVidia Corporation MCP89 OHCI USB 1.1 Controller	echo 'auto' > '/sys/bus/pci/devices/0000:00:04.0/power/control';
Runtime PM for PCI Device nVidia Corporation MCP89 EHCI USB 2.0 Controller	echo 'auto' > '/sys/bus/pci/devices/0000:00:04.1/power/control';
Runtime PM for PCI Device nVidia Corporation MCP89 OHCI USB 1.1 Controller	echo 'auto' > '/sys/bus/pci/devices/0000:00:06.0/power/control';
Runtime PM for PCI Device nVidia Corporation MCP89 SATA Controller	echo 'auto' > '/sys/bus/pci/devices/0000:00:0a.0/power/control';
Runtime PM for PCI Device nVidia Corporation Device 0d9b	echo 'auto' > '/sys/bus/pci/devices/0000:00:15.0/power/control';
Runtime PM for PCI Device Broadcom Corporation BCM43224 802.11a/b/g/n	echo 'auto' > '/sys/bus/pci/devices/0000:01:00.0/power/control';
Runtime PM for PCI Device nVidia Corporation Device 08a3	echo 'auto' > '/sys/bus/pci/devices/0000:02:00.0/power/control';
Runtime PM for PCI Device nVidia Corporation MCP89 EHCI USB 2.0 Controller	echo 'auto' > '/sys/bus/pci/devices/0000:00:06.1/power/control';

Untunable software issues

PCI Device nVidia Corporation MCP89 HOST Bridge has no runtime power management

PCI Device nVidia Corporation MCP89 Memory Controller has no runtime power management

PCI Device nVidia Corporation Device 0d6d has no runtime power management

PCI Device nVidia Corporation Device 0d6e has no runtime power management

PCI Device nVidia Corporation Device 0d6f has no runtime power management

PCI Device nVidia Corporation Device 0d70 has no runtime power management

PCI Device nVidia Corporation Device 0d71 has no runtime power management

PCI Device nVidia Corporation Device 0d72 has no runtime power management

PCI Device nVidia Corporation MCP89 LPC Bridge has no runtime power management

PCI Device nVidia Corporation MCP89 Memory Controller has no runtime power management

PCI Device nVidia Corporation MCP89 SMBus has no runtime power management

PCI Device nVidia Corporation MCP89 Memory Controller has no runtime power management

PCI Device nVidia Corporation MCP89 Co-Processor has no runtime power management

PCI Device nVidia Corporation Device 0d75 has no runtime power management

PCI Device nVidia Corporation MCP89 PCI Express Bridge has no runtime power management

Optimal tuned software settings

Bluetooth device interface status

VM writeback timeout

Autosuspend for USB device EHCI Host Controller [usb1]

Autosuspend for USB device EHCI Host Controller [usb2]

Autosuspend for USB device BRCM2070 Hub [Apple Inc.]

Autosuspend for USB device OHCI Host Controller [usb3]

Autosuspend for USB device OHCI Host Controller [usb4]

Autosuspend for USB device Built-in iSight [Apple Inc.]

Wake-on-lan status for device wlan0

Using 'ondemand' cpufreq governor