- pid_out = ltt_event_get_unsigned(e, th->f1);
- pid_in = ltt_event_get_unsigned(e, th->f2);
- state_out = ltt_event_get_long_int(e, th->f3);
+ pid_out = ltt_event_get_unsigned(e, lttv_trace_get_hook_field(th, 0));
+ pid_in = ltt_event_get_unsigned(e, lttv_trace_get_hook_field(th, 1));
+ state_out = ltt_event_get_long_int(e, lttv_trace_get_hook_field(th, 2));