From: jayabrata_c@dataone.in
To: linux-rt-users@vger.kernel.org
Subject: Interrupt latency benchmark
Date: Mon, 09 Jul 2007 02:40:16 +1000 [thread overview]
Message-ID: <f5f0cd74458f.4691a010@dataone.in> (raw)
Hello All,
I have a query, Can i use Realfeel benchmark tool,
to test the interrupt latency on an smp machine. I have a non-smp machine,
on which i tested the 2.6.19-rt11 kernel, and i got very impressive
interrupt latency (< 30 us, with tests carried over 10 hours, on heavy load).
But i am not getting the same performance on an smp machine, which i
recently acquired. I used the latest 2.6.21.5-rt19 kernel.
But still the same results. Am i doing something wrong, or is Realfeel not
meant for smp? In that case, which tool can i use? I have used the Realfeel
tool from the amlat package.
Regards
Jayabrata
reply other threads:[~2007-07-08 16:40 UTC|newest]
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