Remove costly matchers from ignore list
Removing these matchers caused the time spent matching ignores to go from greater than 1 second to less than 100 ms.
MODIFY
dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/AgentInstaller.java
dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/AgentInstaller.java
@@ -68,10 +68,11 @@ public class AgentInstaller {
// https://github.com/raphw/byte-buddy/issues/558
// .with(AgentBuilder.LambdaInstrumentationStrategy.ENABLED)
.ignore(any(), skipClassLoader())
- // Unlikely to ever need to instrument an annotation:
- .or(ElementMatchers.<TypeDescription>isAnnotation())
- // Unlikely to ever need to instrument an enum:
- .or(ElementMatchers.<TypeDescription>isEnum())
+ /**
+ * Be very careful about the types of matchers used in this section as they are called
+ * on every class load, so they must be fast. Generally speaking try to only use name
+ * matchers as they don't have to load additional info.
+ */
.or(
nameStartsWith("datadog.trace.")
// FIXME: We should remove this once
@@ -136,7 +137,6 @@ public class AgentInstaller {
.or(nameContains(".asm."))
.or(nameContains("$__sisu"))
.or(nameMatches("com\\.mchange\\.v2\\.c3p0\\..*Proxy"))
- .or(isAnnotatedWith(named("javax.decorator.Decorator")))
.or(matchesConfiguredExcludes());
for (final AgentBuilder.Listener listener : listeners) {

Remove costly matchers from ignore list

Removing these matchers caused the time spent matching ignores to go from greater than 1 second to less than 100 ms.