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Date:	Thu, 21 Jun 2007 11:54:17 -0400
From:	jamal <>
To:	David Miller <>
Subject: FSCKED clock sources WAS(Re: [WIP][PATCHES] Network xmit batching

On Tue, 2007-19-06 at 15:28 -0700, David Miller wrote:

> Converting pktgen over to ktime_t might be a nice cleanup.

Would that really solve it? i.e doesnt it still tie to what the clock
source is?

I had a friend of mine (Robert, you know Jeremy) and results are
slightly different from what Evginy found.

The summary is: Batching always is better, jiffies is always the better
clock source (and who would have thunk,eh? Opteron kicks a Xeons ass).
Attached results.

Evgeniy, did you sync on the batching case with the git tree?
Can you describe your hardware in /proc/cpuinfo and /proc/interupts?


View attachment "batch-clock-res" of type "text/plain" (2631 bytes)

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