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[Qemu-devel] RE: [kvm-devel] [PATCH] Dynamic ticks

From: Dor Laor
Subject: [Qemu-devel] RE: [kvm-devel] [PATCH] Dynamic ticks
Date: Wed, 15 Aug 2007 12:48:09 -0700

>> I like it ;) I have some comments (and a reworked patch at the end):
>And thanks a lot for that.
>> Plus, in this way you change the behaviour from "always try RTC under
>> Linux" to "don't use RTC is dynticks is enabled".
>> Is this what you really want?
>I don't know whether this is what should be done, but it's what I
>I was not looking for a dynamic-ticks solution for every available time
>source, and considered the system's POSIX timer as a good enough
>Am I wrong here?

Using dyn-tick should be the default option. Not only it saves ticks for
with HZ < 1000, it improves the accurency and responsiveness of the
There are also issues with address@hidden because of HPET inteference.

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