Checks if a given trace hook word is being traced by system trace.
The trc_ishookon kernel service informs the user if tracing is on and the specified hook word is being traced.
Item | Description |
---|---|
chan | The channel to query with the range from 0 to 7. |
hkwd | The hook word to be traced by system trace. |
Item | Description |
---|---|
1 | The hook word is being traced. |
0 | Hook word is not being traced or system trace is off. |