powertop questions

Reindl Harald h.reindl at thelounge.net
Sun Jul 17 20:57:32 UTC 2011


hi

has anybody an idea how to optimize the "Runtime PM" settings where "powertop"
says bad? "pcie_aspm=force" as kernel-param is set

System: Fedora 15 x86_64, Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz

Important:
I search generic options which would be active on shared configurations
because there are two machines with little different hwardware

   Bad           Enable SATA link power management for /dev/sda
   Bad           Autosuspend for USB device USB Keyboard [NOVATEK]
   Bad           Autosuspend for USB device USB2.0-CRW [Generic]
   Bad           Autosuspend for USB device USB-PS/2 Optical Mouse [Logitech]
   Bad           Runtime PM for PCI Device Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller
   Bad           Runtime PM for PCI Device Intel Corporation Sandy Bridge DRAM Controller
   Bad           Runtime PM for PCI Device Intel Corporation Sandy Bridge PCI Express Root Port
   Bad           Runtime PM for PCI Device Intel Corporation Sandy Bridge Integrated Graphics Controller
   Bad           Runtime PM for PCI Device Intel Corporation 82579LM Gigabit Network Connection
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point High Definition Audio Controller
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point PCI Express Root Port 1
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point PCI Express Root Port 5
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point PCI Express Root Port 7
   Bad           Runtime PM for PCI Device NEC Corporation uPD720200 USB 3.0 Host Controller
   Bad           Runtime PM for PCI Device Intel Corporation 82574L Gigabit Network Connection
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point USB Enhanced Host Controller #1
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point USB Enhanced Host Controller #2
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point 6 port SATA AHCI Controller
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point SMBus Controller
   Bad           Runtime PM for PCI Device Intel Corporation Cougar Point PCI Express Root Port 8
   Bad           Wake-on-lan status for device eth0
   Good          NMI watchdog should be turned off
   Good          VM writeback timeout
   Good          Autosuspend for USB device xHCI Host Controller [usb3]
   Good          Autosuspend for unknown USB device 1-1 (8087:0024)
   Good          Autosuspend for unknown USB device 2-1 (8087:0024)
   Good          Autosuspend for USB device EHCI Host Controller [usb1]
   Good          Autosuspend for USB device EHCI Host Controller [usb2]
   Good          Wake-on-lan status for device eth1

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