Re: [PATCH 1/3] Updated dynamic tick patches - Fix lost tick calculation in timer_pm.c

[Srivatsa Vaddagiri]

On Sat, Sep 03, 2005 at 12:05:00AM -0400, Lee Revell wrote:
> Are lost ticks really that common?  If so, any idea what's disabling

It becomes common with a patch like dynamic ticks, where we purposefully
skip ticks when CPU is idle. When the CPU wakes up, we have to regain
the lost/skipped ticks and thats where I ran into incorrect lost-tick
calculation issues.

> interrupts for so long (or if it's a hardware issue)?  And if not, it
> seems like you'd need an artificial way to simulate lost ticks in order
> to test this stuff.

Dyn-tick patch is enought to simulate these lost ticks!

-- 


Thanks and Regards,
Srivatsa Vaddagiri,
Linux Technology Center,
IBM Software Labs,
Bangalore, INDIA - 560017
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