Inserting trace events

You can even use TraceEvent() to insert your own events into the trace data. You can call TraceEvent() directly (see below), but it's much easier to use the following convenience functions:

trace_func_enter()

Insert a trace event for the entry to a function

trace_func_exit()

Insert a trace event for the exit from a function

trace_here()

Insert a trace event for the current address

trace_logb()

Insert a user combine trace event

trace_logbc()

Insert a trace event of an arbitrary class and type with arbitrary data

trace_logf()

Insert a user string trace event

trace_logi()

Insert a user simple trace event

trace_nlogf()

Insert a user string trace event, specifying a maximum string length

trace_vnlogf()

Insert a user string trace event, using a variable argument list

If you want to call TraceEvent() directly, use one of the following commands:

• _NTO_TRACE_INSERTCCLASSEVENT
• _NTO_TRACE_INSERTCUSEREVENT
• _NTO_TRACE_INSERTSCLASSEVENT
• _NTO_TRACE_INSERTSUSEREVENT
• _NTO_TRACE_INSERTUSRSTREVENT

For more information, see the entry for TraceEvent() in the QNX OS C Library Reference.