Starts system wide Performance Monitor counting.
Performance Monitor APIs Library (libpmapi.a)
#include <pmapi.h> int pm_start()
The pm_start subroutine starts system wide Performance Monitor counting.
| 0 | Operation completed successfully. | 
| Positive Error Code. | Refer to the pm_error (pm_error Subroutine) subroutine to decode the error code | 
Refer to the pm_error (pm_error Subroutine) subroutine.
| /usr/include/pmapi.h | Defines standard macros, data types, and subroutines. | 
The pm_init (pm_init Subroutine) subroutine, pm_error (pm_error Subroutine) subroutine, pm_set_program (pm_set_program Subroutine) subroutine, pm_get_program (pm_get_program Subroutine) subroutine, pm_delete_program (pm_delete_program Subroutine) subroutine, pm_get_data (pm_get_data Subroutine) subroutine, pm_stop (pm_stop Subroutine) subroutine, pm_reset_data (pm_reset_data Subroutine) subroutine.