<div>Hi all:</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>now my work need lttng ,and why lttng use macro like this:TRACEPOINT_EVENT(tracepoint_provider,event_name,…)?</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Except I can use any primitive C-type i want,is there any other adavantage about this macro type?And how lttng improve performance compare other log system(specially efficiency ).I need detail information about this mechanism.Can anyone help me?</div>
<div><br></div><div>Best regard.</div>