Enable JFR support across all containers and add utility script for snapshot dumps

Author: RustamKuramshin

.gitignore

@@ -54,3 +54,4 @@ crac-files/*
 !crac-files/.gitkeep
 
 /scripts/jmeter.log
+*.jfr

.java-version

@@ -1 +1 @@
-17
+25

Dockerfile

@@ -29,9 +29,5 @@ COPY --from=extractor /extractor/extracted/spring-boot-loader/ ./
 COPY --from=extractor /extractor/extracted/snapshot-dependencies/ ./
 COPY --from=extractor /extractor/extracted/application/ ./
 
-# Enable JFR startup recording by default. Can be disabled with JFR_ENABLE=false
-ENV JFR_ENABLE=true \
-    JFR_DURATION=20m \
-    JFR_SETTINGS=profile
-
-CMD ["sh", "-c", "if [ \"$JFR_ENABLE\" = \"true\" ]; then exec java -XX:+FlightRecorder -XX:StartFlightRecording=duration=${JFR_DURATION:-20m},name=${SPRING_APPLICATION_NAME:-petclinic},settings=${JFR_SETTINGS:-profile},filename=/jfr/${SPRING_APPLICATION_NAME:-petclinic}-$(date +%Y%m%d-%H%M%S).jfr,dumponexit=true,disk=true -Djdk.tracePinnedThreads=full -Djdk.tracePinnedThreads.warning=true -Djdk.traceVirtualThreadLocals=true -jar spring-petclinic.jar; else exec java -jar spring-petclinic.jar; fi"]
+# Always record JFR at startup
+CMD ["sh", "-c", "exec java -XX:+FlightRecorder -XX:StartFlightRecording=duration=20m,name=${SPRING_APPLICATION_NAME:-petclinic},settings=profile,filename=/jfr/${SPRING_APPLICATION_NAME:-petclinic}-$(date +%Y%m%d-%H%M%S).jfr,dumponexit=true,disk=true -Djdk.tracePinnedThreads=full -Djdk.tracePinnedThreads.warning=true -Djdk.traceVirtualThreadLocals=true -jar spring-petclinic.jar"]

jfr-method-timing.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+java \
+  "-XX:StartFlightRecording=filename=petclinic.jfr,settings=profile,method-timing=\
+java.lang.reflect.Method::invoke;java.lang.reflect.Constructor::newInstance;\
+java.lang.reflect.Field::get;java.lang.reflect.Field::set;\
+java.lang.Class::forName;java.lang.reflect.Proxy::newProxyInstance" \
+  -jar target/spring-petclinic-3.4.0-SNAPSHOT.jar --spring.profiles.active=postgres
+
+# Потом выполнить
+# jfr view method-timing petclinic.jfr