The function
pmc_get_driver_statistics()
retrieves a snapshot of the usage statistics maintained by
hwpmc(4)
into the memory area pointed to by argument
gms.
The returned structure includes the following fields:
pm_intr_ignored
|
The number of sampling interrupts ignored.
|
pm_intr_processed
|
The number of sampling interrupts processed.
|
pm_intr_bufferfull
|
The number of sampling interrupts dropped due to lack of space
in the sample buffer.
|
pm_syscalls
|
The number of system calls into
hwpmc(4).
|
pm_syscalls_errors
|
The number of system calls into
hwpmc(4)
that failed.
|
pm_buffer_requests
|
The number of log buffer requests so far.
|
pm_buffer_requests_failed
|
|
The number of log buffer requests that failed due to lack of buffers.
|
pm_log_sweeps
|
The number of sample buffer processing sweeps.
|