Hello, everyone:
My platform is intel westmere (single socket) . The cpu is core i3. the OS
kernel is linux 2.6.31. However, I encounter the following errors when I run
the syst_smpl program,
the error is :
syst_smpl: can not attach the events PERF_COUNT_HW_CPU_CYCLES: invalid
parameters.
The task_smpl program is the same error as the syst_smpl.
The errors was occured at the call point of the function of
perf_event_open() in setup_cup()..
I want to know the reason of the errors. Anyone can response me ?
Thanks in advance!
Jason
2011/2/19
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