On 2/12/13 10:07 AM, Tim Chen wrote:
On Mon, 2013-02-11 at 15:30 -0700, David Ahern wrote:
On 2/11/13 3:15 PM, Tim Chen wrote:
On Mon, 2013-02-11 at 12:34 -0700, David Ahern wrote:
On 2/11/13 11:50 AM, Tim Chen wrote:
David,
When I am doing a profiling of kernel compile with 32 threads on a 4
socket westmere machine, I found that perf record terminated right away
for the version of perf in 3.7 kernel source tree.
There's no profile data recroded and the compile is running in
background.
$ make -j32 &
then
$ sudo /test/perf record -a -g -f sleep 5
sleep: Terminated
This is the more appropriate fix. Make mmap consistent with comm. Revert
the other one.
Thanks. Works for me.
Tim
BTW, this does not seem to be a problem with 3.8 - at least I could not
reproduce it. So it seems limited to 3.7 kernels only.
David
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