pm_start and pm_tstart Subroutine
Purpose
Starts system wide Performance Monitor counting.
Library
Performance Monitor APIs Library (libpmapi.a)
Syntax
#include <pmapi.h>
int pm_start()
int pm_tstart(*time)
timebasestruct_t *time;Description
The pm_start subroutine starts system wide Performance Monitor counting.
The pm_tstart subroutine starts system wide Performance Monitor counting, and returns a timestamp indicating when the counting was started.
Parameters
| Item | Description |
|---|---|
| *time | Pointer to a structure containing the timebase value when the counting was started. This can be converted to time using the time_base_to_time subroutine. |
Return Values
| Item | Description |
|---|---|
| 0 | Operation completed successfully. |
| Positive error code | Refer to the pm_error Subroutine to decode the error code |
Error Codes
Refer to the pm_error Subroutine.
Files
| Item | Description |
|---|---|
| /usr/include/pmapi.h | Defines standard macros, data types, and subroutines. |