http://bugzilla.kernel.org/show_bug.cgi?id=12788 ------- Comment #3 from theholyettlz@xxxxxxxxxxxxxx 2009-02-27 12:53 ------- PowerTOP screenshot BEFORE suspend/resume at desktop idle: PowerTOP version 1.10 (C) 2007 Intel Corporation Cn Avg residency P-states (frequencies) C0 (cpu running) ( 3.8%) 2.11 Ghz 3.2% C0 0.0ms ( 0.0%) 2.10 Ghz 0.1% C1 0.0ms ( 0.0%) 1200 Mhz 0.2% C2 0.0ms ( 0.0%) 800 Mhz 96.5% C3 5.3ms (96.2%) Wakeups-from-idle per second : 183.8 interval: 10.0s no ACPI power usage estimate available Top causes for wakeups: 22.7% ( 40.7) firefox : futex_wait (hrtimer_wakeup) 17.1% ( 30.7) <kernel IPI> : Rescheduling interrupts 14.8% ( 26.6) <interrupt> : acpi 7.7% ( 13.8) <interrupt> : extra timer interrupt 6.7% ( 12.0) work_on_cpu/0 : mod_timer (rh_timer_func) 6.5% ( 11.7) <interrupt> : uhci_hcd:usb3, mmc0, mmc1, iwlagn, i915@pci: 0000:00:02.0 Suggestion: Disable 'hal' from polling your cdrom with: hal-disable-polling --device /dev/scd0 'hal' is the component that auto-opens a window if you plug in a CD but disables SATA power saving from kicking in. Q - Quit R - Refresh K - kill hald-addon-storage ... and AFTER suspend/resume, under the same conditions: PowerTOP version 1.10 (C) 2007 Intel Corporation Cn Avg residency P-states (frequencies) C0 (cpu running) (53.6%) 2.11 Ghz 3.4% C0 0.0ms ( 0.0%) 2.10 Ghz 0.3% C1 0.0ms ( 0.0%) 1.60 Ghz 0.4% C2 0.0ms (40.3%) 800 Mhz 95.9% C3 0.1ms ( 6.1%) Wakeups-from-idle per second : 34595.0 interval: 10.0s no ACPI power usage estimate available Top causes for wakeups: 16.9% ( 61.2) USB device 6-1 : USB Optical Mouse (Logitech) 16.8% ( 61.1) <interrupt> : uhci_hcd:usb6, firewire_ohci, eth0 15.9% ( 57.7) <kernel IPI> : Rescheduling interrupts 10.4% ( 37.8) <interrupt> : acpi 8.9% ( 32.2) firefox : futex_wait (hrtimer_wakeup) 5.9% ( 21.5) <interrupt> : extra timer interrupt Suggestion: Enable USB autosuspend by pressing the U key or adding usbcore.autosuspend=1 to the kernel command line in the grub config Q - Quit R - Refresh U - Enable USB suspend -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
