Update LuaProc GC stat calc

diff --git a/libs/ardour/luaproc.cc b/libs/ardour/luaproc.cc
index 9122fb32fbdb9e5b1d71218dcd102a68a9201c8b..d5a0f65d1e08022e078f1436f73e3d8af2da010c 100644 (file)
--- a/libs/ardour/luaproc.cc
+++ b/libs/ardour/luaproc.cc
@@ -131,7 +131,8 @@ void
 LuaProc::init ()
 {
 #ifdef WITH_LUAPROC_STATS
-       _stats_avg[0] = _stats_avg[1] = _stats_max[0] = _stats_max[1] = _stats_cnt = 0;
+       _stats_avg[0] = _stats_avg[1] = _stats_max[0] = _stats_max[1] = 0;
+       _stats_cnt = -25;
 #endif
 
        lua.tweak_rt_gc ();
@@ -746,14 +747,15 @@ LuaProc::connect_and_run (BufferSet& bufs,
 
        lua.collect_garbage_step (100 /*kB*/);
 #ifdef WITH_LUAPROC_STATS
-       ++_stats_cnt;
-       int64_t t2 = g_get_monotonic_time ();
-       int64_t ela0 = t1 - t0;
-       int64_t ela1 = t2 - t1;
-       if (ela0 > _stats_max[0]) _stats_max[0] = ela0;
-       if (ela1 > _stats_max[1]) _stats_max[1] = ela1;
-       _stats_avg[0] += ela0;
-       _stats_avg[1] += ela1;
+       if (++_stats_cnt > 0) {
+               int64_t t2 = g_get_monotonic_time ();
+               int64_t ela0 = t1 - t0;
+               int64_t ela1 = t2 - t1;
+               if (ela0 > _stats_max[0]) _stats_max[0] = ela0;
+               if (ela1 > _stats_max[1]) _stats_max[1] = ela1;
+               _stats_avg[0] += ela0;
+               _stats_avg[1] += ela1;
+       }
 #endif
        return 0;
 }