Hi,
I am trying to install the perfmon2 patches on Intel Xeon E5520 with Redhat
Enterprise server 5.3.
The kernel version of Redhat server is 2.6.18 kernel. Since only the newer
perfmon2 supports the
Intel Nehalem processor, I downloaded a 2.6.29 kernel from ftp.kernel.org. I
also patched the kernel using
the kernel patches downloaded from sourceforge (perfmon-new-base-090622.tar.gz).
Results so far show that I can build and load the 2.6.29 kernel with the
modified perfmon2 patches.
However, when I try to run pfmon I get the following error.
>[e...@discovery ~]$ pfmon -eUNHALTED_CORE_CYCLES -- ls
>detection of unavailable registers failed, leave it to the kernel to
decide
>can't create perfmon context: Invalid argument
And only 5 events are supported.
>[...@discovery ~]$ pfmon -l
>UNHALTED_CORE_CYCLES
>INSTRUCTIONS_RETIRED
>LAST_LEVEL_CACHE_REFERENCES
>LAST_LEVEL_CACHE_MISSES
>BRANCH_INSTRUCTIONS_RETIRED
I wonder if I missed some important issues. How can I fix up the problem?
Thanks!
------------
Eric
2009-09-02
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