Added JMH to be also built by code-tools

tools/code-tools/Jenkinsfile

@@ -61,6 +61,14 @@ pipeline {
                         build('jcov')
                     }
                 }
+                stage('jmh') {
+                    agent {
+                        label NODE_LABEL
+                    }
+                    steps {
+                        build('jmh')
+                    }
+                }
                 stage('temurin-sbom') {
                     agent {
                         label NODE_LABEL

tools/code-tools/jmh.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+
+################################################################
+# Script to build jmh to be reused by jdk testing community    #
+# currently builds tip and latest released version             #
+################################################################
+
+# shellcheck disable=SC2035,SC2155
+set -euo pipefail
+WORKSPACE=$PWD
+
+function hashJars() {
+  pushd "${1}"
+    for file in `ls jmh*.jar benchmark*.jar` ; do
+      sha256sum $file > $file.sha256sum.txt
+    done
+  popd
+}
+
+function hashTars() {
+  for file in `ls jmh*.tar.gz` ; do
+    sha256sum $file > $file.sha256sum.txt
+  done
+}
+
+function detectJdks() {
+  jvm_dir="/usr/lib/jvm/"
+  find ${jvm_dir} -maxdepth 1 | sort
+  echo "Available jdks 11 in ${jvm_dir}:"
+  find ${jvm_dir} -maxdepth 1 | sort | grep -e java-11- -e jdk-11
+  echo "Available jdks 17 in ${jvm_dir}:"
+  find ${jvm_dir} -maxdepth 1 | sort | grep -e java-17- -e jdk-17
+  jdk11=$(readlink -f $(find ${jvm_dir} -maxdepth 1 | sort | grep -e java-11- -e jdk-11 | head -n 1))
+  jdk17=$(readlink -f $(find ${jvm_dir} -maxdepth 1 | sort | grep -e java-17- -e jdk-17 | head -n 1))
+}
+
+function buildJmh {
+  local jdk="${1}"
+  local checkout="${2}"
+  export JAVA_HOME="${jdk}"
+  mvn clean
+  local dirName="${main_name}-${checkout}"
+  rm -rf "${dirName}"
+  mkdir "${dirName}"
+  git checkout "${checkout}"
+  mvn clean install ${TESTS}
+  local jars=$(find -mindepth 2 -type f | grep "\\.jar$" | grep -v "/benchmarks.jar")
+  mv -v ${jars} "${dirName}"
+  mv -v ./jmh-samples/target/benchmarks.jar "${dirName}/jmh-samples-benchmarks.jar" # avoiding flat clash
+  mv -v ./jmh-core-benchmarks/target/benchmarks.jar "${dirName}"
+  hashJars "${dirName}"
+  tar -czf "${dirName}.tar.gz" "${dirName}"
+  rm -rf "${dirName}"
+  mvn clean
+  git checkout master
+  unset JAVA_HOME
+}
+
+# tests for jmh are pretty lenghty consider just building 
+#TESTS="-DskipTests"
+TESTS=""
+REPO_DIR="jmh"
+main_name=$REPO_DIR
+if [ ! -e $REPO_DIR ] ; then
+  git clone https://github.com/openjdk/$REPO_DIR.git
+else
+  rm -vf $REPO_DIR/$main_name*.jar $REPO_DIR/$main_name*.sha256sum.txt $REPO_DIR/$main_name*.tar.gz
+fi
+detectJdks
+pushd $REPO_DIR
+  git checkout master
+  tip=`git log | head -n 1 | sed "s/.*\s\+//"` || true
+  tip_shortened=`echo ${tip:0:7}`
+  latestRelease=`git tag -l | sort -Vr | head -n 1`
+
+  # latest released
+  buildJmh "${jdk11}" "${latestRelease}"
+
+  # tip
+  buildJmh "${jdk17}" "master"
+
+  # version less latest release and version full tip
+  cp -v "jmh-${latestRelease}.tar.gz" "jmh.tar.gz"
+  cp -v "jmh-master.tar.gz" "jmh-${tip_shortened}.tar.gz"
+
+  hashTars
+popd