--- a/src/hotspot/share/runtime/arguments.cpp	Thu Jun 06 15:12:37 2019 -0700
+++ b/src/hotspot/share/runtime/arguments.cpp	Thu Jun 06 16:06:10 2019 -0700
@@ -604,6 +604,7 @@
   { "TraceSafepointCleanupTime", LogLevel::Info,  true,  LOG_TAGS(safepoint, cleanup) },
   { "TraceJVMTIObjectTagging",   LogLevel::Debug, true,  LOG_TAGS(jvmti, objecttagging) },
   { "TraceRedefineClasses",      LogLevel::Info,  false, LOG_TAGS(redefine, class) },
+  { "TraceNMethodInstalls",      LogLevel::Info,  true,  LOG_TAGS(nmethod, install) },
   { NULL,                        LogLevel::Off,   false, LOG_TAGS(_NO_TAG) }
 };