Hi, On 9 February 2011 21:05, Arjan van de Ven <[email protected]> wrote: > > hmmm..... powertop in meego does report things.. but in your case it just > reports the btrfs background workers, > not the guys who cause those to be busy. > (the "D" ones in the screenshot) > > can you run "powertop -d" to see if other "D"'s show up?
I have attached the output of powertop -d > > -- Peace, Love, Linux Debayan Banerjee
PowerTOP 1.12 (C) 2007, 2008 Intel Corporation Collecting data for 15 seconds Your CPU supports the following C-states : C1 C2 C4 Your BIOS reports the following C-states : C1 C2 C4 Cn Avg residency C0 (cpu running) ( 2.5%) polling 16.3ms (97.5%) C1 mwait 0.0ms ( 0.0%) C2 mwait 0.0ms ( 0.0%) C4 mwait 0.0ms ( 0.0%) P-states (frequencies) 1.67 Ghz 0.0% 1333 Mhz 1.7% 1000 Mhz 98.3% Disk accesses: The application 'gconfd-2' is writing to file '?' on /dev/sda2 The application 'gconfd-2' is writing to file '?' on /dev/sda2 The application 'gconfd-2' is writing to file '%gconf.xml.new' on /dev/sda2 The application 'gconfd-2' is writing to file '%gconf.xml.new' on /dev/sda2 The application 'gconfd-2' is writing to file '%gconf.xml.new' on /dev/sda2 The application 'flush-btrfs-1' is writing to file '?' on /dev/sda2 The application 'flush-btrfs-1' is writing to file '?' on /dev/sda2 The application 'anerley-account' is writing to file '?' on /dev/sda2 The application 'anerley-account' is writing to file '?' on /dev/sda2 The application 'anerley-account' is writing to file '.xsession-errors' on /dev/sda2 The application 'anerley-account' is writing to file '.xsession-errors' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 The application 'rsyslogd' is writing to file 'messages' on /dev/sda2 Wakeups-from-idle per second : 60.0 interval: 15.0s no ACPI power usage estimate available Top causes for wakeups: 0.0% ( 0.0)D rsyslogd 62.5% ( 32.2) [uhci_hcd:usb5, wlan0] <interrupt> 0.3% ( 0.1)D gconfd-2 0.0% ( 0.0)D anerley-account 0.1% ( 0.1)D flush-btrfs-1 11.0% ( 5.7) [acpi] <interrupt> 4.1% ( 2.1) [Rescheduling interrupts] <kernel IPI> 3.2% ( 1.7) [TLB shootdowns] <kernel IPI> 3.2% ( 1.7) grep 2.7% ( 1.4) [ahci] <interrupt> 2.3% ( 1.2) [kernel core] queue_delayed_work (delayed_work_timer_fn) 1.6% ( 0.8) wpa_supplicant 1.0% ( 0.5) [kernel core] start_rt_bandwidth.clone.0 (sched_rt_period_timer) 0.9% ( 0.5) [Function call interrupts] <kernel IPI> 0.9% ( 0.5) [kernel core] watch_dog_timer_callback (watch_dog_timer_callback) 0.9% ( 0.5) [kernel core] check_rfctrl_gpio_timer (check_rfctrl_gpio_timer) 0.8% ( 0.4) Xorg 0.8% ( 0.4) gnome-screensav 0.6% ( 0.3) [kernel core] dev_watchdog (dev_watchdog) 0.5% ( 0.3) [i915] <interrupt> 0.4% ( 0.2) init 0.3% ( 0.1) mutter 0.3% ( 0.1) tracker-miner-f 0.3% ( 0.1) [kernel core] inet_twdr_hangman (inet_twdr_hangman) 0.3% ( 0.1) gnome-settings- 0.1% ( 0.1) PS/2 keyboard/mouse/touchpad interrupt 0.1% ( 0.1) gnome-terminal 0.1% ( 0.1) [kernel core] cfq_arm_slice_timer (cfq_idle_slice_timer) 0.1% ( 0.1) crond 0.1% ( 0.1) [kernel core] neigh_timer_handler (neigh_timer_handler) 0.1% ( 0.1) tracker-store 0.1% ( 0.1) sh 0.1% ( 0.1) avahi-daemon A SATA device is active 9.8% of the time: SAMSUNG HM251HI Disable Ethernet Wake-On-Lan with the following command: ethtool -s eth0 wol d Wake-on-Lan keeps the phy active, this costs power. Suggestion: Enable SATA ALPM link power management via: echo min_power > /sys/class/scsi_host/host0/link_power_management_policy or press the S key. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'messages' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'anerley-account' is writing to file '.xsession-errors' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'anerley-account' is writing to file '.xsession-errors' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'gconfd-2' is writing to file '%gconf.xml.new' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'gconfd-2' is writing to file '%gconf.xml.new' on /dev/sda2. This prevents the disk from going to powersave mode. The program 'gconfd-2' is writing to file '%gconf.xml.new' on /dev/sda2. This prevents the disk from going to powersave mode. Recent USB suspend statistics Active Device name 0.0% USB device usb5 : UHCI Host Controller (Linux 2.6.35.3-10.3-netbook uhci_hcd) 0.0% USB device usb4 : UHCI Host Controller (Linux 2.6.35.3-10.3-netbook uhci_hcd) 0.0% USB device usb3 : UHCI Host Controller (Linux 2.6.35.3-10.3-netbook uhci_hcd) 0.0% USB device usb2 : UHCI Host Controller (Linux 2.6.35.3-10.3-netbook uhci_hcd) 0.0% USB device usb1 : EHCI Host Controller (Linux 2.6.35.3-10.3-netbook ehci_hcd) Recent audio activity statistics Active Device name 0.0% hwC0D0 VIA VT1812 Recent SATA AHCI link activity statistics Active Partial Slumber Device name 9.8% 0.0% 90.2% SAMSUNG HM251HI
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