NAME

trace_start - start collecting driver trace

SYNOPSIS

void trace_start(filename, auto_stop_sec = 30)

DESCRIPTION

Call this funciton to start collecting tracing information, this include LPC
funciton level execution information.

Driver will stop collection and dump to `filename` on `trace_end()`, or
after `auto_stop_sec` seconds, default to be 30.

Note: do not leave tracing enabled for too long, otherwise you will run out of
memory.

SEE ALSO

trace_end()
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