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PAPI_get_virt_nsec(3) | PAPI | PAPI_get_virt_nsec(3) |
NAME¶
PAPI_get_virt_nsec - Get virtual time counter values in nanoseconds.SYNOPSIS¶
Detailed Description¶
Return values:PAPI_ECNFLCT If there is no master event set. This
will happen if the library has not been initialized, or for threaded
applications, if there has been no thread id function defined by the
PAPI_thread_init function.
PAPI_ENOMEM For threaded applications, if there has not yet been any
thread specific master event created for the current thread, and if the
allocation of such an event set fails, the call will return PAPI_ENOMEM or
PAPI_ESYS .
This function returns the total number of virtual units from some arbitrary
starting point. Virtual units accrue every time the process is running in
user-mode on behalf of the process. Like the real time counters, this count is
guaranteed to exist on every platform PAPI supports. However on some
platforms, the resolution can be as bad as 1/Hz as defined by the operating
system.
Author¶
Generated automatically by Doxygen for PAPI from the source code.Thu Nov 17 2016 | Version 5.5.1.0 |