Starts the collection of trace data.
Runtime Services Library (librts.a)
int trcon( Channel)
int Channel;
The trcon subroutine starts trace data collection for a trace channel.The trace session must have already been started using the trace command or the trcstart (trcstart Subroutine) subroutine.
| Channel | Specifies one of eight trace channels. Channel number 0 always refers to the Event/Performance trace. Channel numbers 1 through 7 specify generic trace channels. |
If the trcon subroutine was successful, zero is returned and trace data collection starts. If unsuccessful, a negative one is returned.
The trcgen (trcgen or trcgent Subroutine) subroutine, trchook (trchook or utrchook Subroutine) subroutine, trcoff (trcoff Subroutine) subroutine, trcstart (trcstart Subroutine) subroutine, trcstop (trcstop Subroutine) subroutine.
The trace daemon.
The trcgenk kernel service, trcgenkt kernel service.