PowerTOP 1.13 (C) 2007 - 2010 Intel Corporation Collecting data for 300 seconds Cn Avg residency C0 (cpu running) ( 0.1%) polling 0.0ms ( 0.0%) C1 mwait 0.0ms ( 0.0%) C2 mwait 0.3ms ( 0.0%) C6 mwait 65.6ms (99.9%) P-states (frequencies) Turbo Mode 0.2% 1.87 Ghz 0.0% 1.60 Ghz 0.0% 800 Mhz 99.8% Disk accesses: The application 'rsyslogd' is writing to file 'syslog' on /dev/dm-1 The application 'rsyslogd' is writing to file 'syslog' on /dev/dm-1 The application 'rsyslogd' is writing to file 'syslog' on /dev/dm-1 The application 'rsyslogd' is writing to file 'daemon.log' on /dev/dm-1 The application 'rsyslogd' is writing to file 'daemon.log' on /dev/dm-1 The application 'rsyslogd' is writing to file 'daemon.log' on /dev/dm-1 Wakeups-from-idle per second : 15.7 interval: 300.0s Power usage (ACPI estimate): 9.4W (3.4 hours) Top causes for wakeups: 20.3% ( 3.7) [kernel core] hrtimer_start (tick_sched_timer) 19.0% ( 3.4) [kernel scheduler] Load balancing tick 13.8% ( 2.5) Xorg 9.2% ( 1.7) gnome-terminal 6.4% ( 1.2) ntpd 0.2% ( 0.0)D rsyslogd 5.5% ( 1.0) gvfs-afc-volume 4.2% ( 0.8) [acpi] 2.8% ( 0.5) [eth0] 2.7% ( 0.5) events/0 1.5% ( 0.3) gnome-settings- 1.4% ( 0.2) menu-cached 1.1% ( 0.2) flush-252:1 1.1% ( 0.2) bdi-default 0.9% ( 0.2) [kernel core] bdi_arm_supers_timer (sync_supers_timer_fn) 0.8% ( 0.1) [kernel core] inc_rt_group (sched_rt_period_timer) 0.7% ( 0.1) rtkit-daemon 0.6% ( 0.1) ssh-agent 0.6% ( 0.1) gnome-power-man 0.3% ( 0.1) flush-8:0 0.3% ( 0.1) [ahci] 0.3% ( 0.0) flush-7:0 0.3% ( 0.0) flush-7:2 0.3% ( 0.0) flush-7:1 0.2% ( 0.0) flush-7:6 0.2% ( 0.0) flush-252:0 0.2% ( 0.0) flush-252:2 0.2% ( 0.0) flush-7:5 0.2% ( 0.0) flush-7:4 0.2% ( 0.0) flush-7:3 0.2% ( 0.0) flush-7:7 0.2% ( 0.0) flush-1:15 0.2% ( 0.0) flush-1:13 0.2% ( 0.0) flush-1:11 0.2% ( 0.0) flush-1:9 0.2% ( 0.0) flush-1:7 0.2% ( 0.0) flush-1:5 0.2% ( 0.0) flush-1:3 0.2% ( 0.0) flush-1:1 0.2% ( 0.0) flush-1:14 0.2% ( 0.0) flush-1:0 0.2% ( 0.0) flush-1:2 0.2% ( 0.0) flush-1:4 0.2% ( 0.0) flush-1:6 0.2% ( 0.0) flush-1:8 0.2% ( 0.0) flush-1:10 0.2% ( 0.0) flush-1:12 0.2% ( 0.0) gconfd-2 0.2% ( 0.0) upowerd 0.1% ( 0.0) cron Suggestion: increase the VM dirty writeback time from 5.00 to 15 seconds with: echo 1500 > /proc/sys/vm/dirty_writeback_centisecs This wakes the disk up less frequently for background VM activity 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. Suggestion: Enable the CONFIG_PM_ADVANCED_DEBUG kernel configuration option. This option will allow PowerTOP to collect runtime power management statistics. The program 'rsyslogd' is writing to file 'daemon.log' on /dev/dm-1. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'daemon.log' on /dev/dm-1. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'daemon.log' on /dev/dm-1. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'syslog' on /dev/dm-1. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'syslog' on /dev/dm-1. This prevents the disk from going to powersave mode. The program 'rsyslogd' is writing to file 'syslog' on /dev/dm-1. This prevents the disk from going to powersave mode. Recent USB suspend statistics Active Device name 0.0% USB device usb8 : UHCI Host Controller (Linux 2.6.35-23-generic uhci_hcd) 0.0% USB device usb7 : UHCI Host Controller (Linux 2.6.35-23-generic uhci_hcd) 0.0% USB device usb6 : UHCI Host Controller (Linux 2.6.35-23-generic uhci_hcd) 0.0% USB device usb5 : UHCI Host Controller (Linux 2.6.35-23-generic uhci_hcd) 0.0% USB device usb4 : UHCI Host Controller (Linux 2.6.35-23-generic uhci_hcd) 0.0% USB device usb3 : UHCI Host Controller (Linux 2.6.35-23-generic uhci_hcd) 0.0% USB device usb2 : EHCI Host Controller (Linux 2.6.35-23-generic ehci_hcd) 0.0% USB device usb1 : EHCI Host Controller (Linux 2.6.35-23-generic ehci_hcd) Runtime Device Power Management statistics Active Device name Devices without runtime PM 03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller 00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller 00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge 00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller 9 more devices without runtime PM ommitted Recent audio activity statistics Active Device name 0.0% hwC0D0 Conexant CX20561 (Hermosa) Recent SATA AHCI link activity statistics Active Partial Slumber Device name 0.0% 0.0% 100.0% HITACHI HTS72201