Clock

Appendix G. KVM Virtual Machine Timing Management

http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization/3.0/html/Administration_Guide/KVM_Clock_Appendix.html Summary: append to VM’s kernel, for i386,i686 => ‘divider=10 clocksource=acpi_pm’, for x86_64 => ‘divider=10 notsc’ This is needed to fix the drifting clock issue on VMs that are not using pv_clock driver

Appendix G. KVM Virtual Machine Timing Management

http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization/3.0/html/Administration_Guide/KVM_Clock_Appendix.html Summary: append to VM’s kernel, for i386,i686 => ‘divider=10 clocksource=acpi_pm’, for x86_64 => ‘divider=10 notsc’ This is needed to fix the drifting clock issue on VMs that are not using pv_clock driver

Appendix G. KVM Virtual Machine Timing Management

http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization/3.0/html/Administration_Guide/KVM_Clock_Appendix.html Summary: append to VM’s kernel, for i386,i686 => ‘divider=10 clocksource=acpi_pm’, for x86_64 => ‘divider=10 notsc’ This is needed to fix the drifting clock issue on VMs that are not using pv_clock driver

[linux, hardware] Section 6.1. Clock and Timer Circuits

http://www.makelinux.net/books/ulk3/understandlk-CHP-6-SECT-1 The section explains different time sources available to linux. Also see /sys/devices/system/clocksource/clocksource0/current_clocksource

[linux, hardware] Section 6.1. Clock and Timer Circuits

http://www.makelinux.net/books/ulk3/understandlk-CHP-6-SECT-1 The section explains different time sources available to linux. Also see /sys/devices/system/clocksource/clocksource0/current_clocksource

[linux, hardware] Section 6.1. Clock and Timer Circuits

http://www.makelinux.net/books/ulk3/understandlk-CHP-6-SECT-1 The section explains different time sources available to linux. Also see /sys/devices/system/clocksource/clocksource0/current_clocksource