pfm_initialize - initialize library
This is the first function that a program must call otherwise
the library will not function at all. This function probes the
underlying hardware looking for valid PMUs event tables to activate.
Multiple distinct PMU tables may be activated at the same time.
The function must be called only once.
The function returns whether or not it was successful, i.e., at least
one PMU was activated. A return value of PFM_SUCCESS indicates
success, otherwise the value is an error code.
No PMU was activated.
Stephane Eranian <email@example.com>
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using the manual pages.
Time: 21:58:05 GMT, September 29, 2009