perfmon usage?
I've looked at the perfmon.c in the arch/ia64/kernel directory of the kernel source. Not beeing a kernel expert I suspect that this is or will be a syscall called 'perfmonctl'.
Is there any tool available to play around with the performance counters by using this syscall?
Thanks in advance for the help,
Erich Focht
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NEC European Supercomputer Systems, European HPC Technology Center
Erich,
Quoted 9 lines
I've looked at the
perfmon.cin thearch/ia64/kerneldirectory of the kernel source. Not beeing a kernel expert I suspect that this is or will be a syscall called 'perfmonctl'.Is there any tool available to play around with the performance counters by using this syscall?
Thanks in advance for the help,
There used to be a tool part of the PCL library which was originally ported by IBM along with the perfmon.c code. perfmon.c was later enhanced slightly by NEC.
However this code is broken. The user tool does not count correctly.
I am in the process of fixing and enhancing the kernel code to support the entire feature set of the IA-64 PMU and in particular the Itanium implementation. This code is not ready for prime time yet.
Most likely there will be a sample tool to exercise the kernel code.
Stay tuned for more....
--Stephane