Measures processor speed in cycles per second.
Performance Monitor APIs Library (libpmapi.a)
#include <pmapi.h>
double pm_cycles (void)The pm_cycles subroutine uses the Performance Monitor cycle counter and the processor real-time clock to measure the actual processor clock speed. The speed is returned in cycles per second.
| Item | Description |
|---|---|
| 0 | An error occurred. |
| Processor speed in cycles per second | No errors occurred. |
| Item | Description |
|---|---|
| /usr/include/pmapi.h | Defines standard macros, data types, and subroutines. |