Re: Using a new perf tool against an older kernel
From: Arun Sharma
Date: Thu Jun 23 2011 - 20:42:42 EST
On 6/23/11 5:11 PM, Frederic Weisbecker wrote:
I'm confused, you first said it happens with new tools on older kernel.
Can you tell us which combination of kernel/user raises the error? and
which error.
perf-3.0 + 2.6.38
perf record -agR gives:
Can't find id 9's machine
Found 1 unknown events!
perf-3.0 + 2.6.32
perf record -ag
perf script
samples have bogus timestamps
perf-3.0 + 2.6.32
perf record -agR
perf script
error: Samples do not contain timestamps
perf-3.0 + any kernel
perf record -agT
perf script
is happy everywhere. Thanks!
-Arun
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