On 10/5/18 8:48 AM, Alex Bennée wrote:
> @@ -81,6 +81,8 @@ def generate_c(event, group):
> cond = "trace_event_get_state(%s)" % event_id
>
> out('',
> +'%(event_obj)s.count++;',
> +'',
> 'if (!%(cond)s) {',
> 'return;',
> '
When working via the HMP to dynamically enable trace points it would
be useful to know if trace points are currently being hit. As the cost
is low we can simply increment a counter as we consider if we are
going to trace the event.
This cannot be precise as we don't take care to use atomic accesse
