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/*
* Copyright (c) 2023, 2025, Red Hat, Inc. All rights reserved.
* Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test id=c2
* @summary Checks that -XX:CompileCommand=MemStat,...,print works with C2
* @requires vm.compiler1.enabled & vm.compiler2.enabled
* @library /test/lib
* @run driver compiler.print.CompileCommandPrintMemStat c2
*/
/*
* @test id=c1
* @summary Checks that -XX:CompileCommand=MemStat,...,print works with C1
* @requires vm.compiler1.enabled & vm.compiler2.enabled
* @library /test/lib
* @run driver compiler.print.CompileCommandPrintMemStat c1
*/
package compiler.print;
import jdk.test.lib.Platform;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.util.ArrayList;
import java.util.List;
public class CompileCommandPrintMemStat {
final static String METHOD1 = "method1";
final static String METHOD2 = "method2";
enum CompType {
c1, c2
}
public static void main(String[] args) throws Exception {
if (args.length != 1) {
throw new RuntimeException("Missing Args");
}
CompType ctyp = CompType.valueOf(args[0]);
test(METHOD1, METHOD2, ctyp);
test(METHOD2, METHOD1, ctyp);
test(METHOD1, METHOD2, ctyp);
test(METHOD2, METHOD1, ctyp);
}
private static void test(String include, String exclude, CompType ctyp) throws Exception {
List<String> options = new ArrayList<String>();
options.add("-Xcomp");
options.add("-XX:CompileCommand=compileonly," + getTestClass() + "::*");
options.add("-XX:-Inline");
if (ctyp.equals(CompType.c2)) {
options.add("-XX:-TieredCompilation");
} else {
options.add("-XX:TieredStopAtLevel=1");
}
options.add("-XX:CompileCommand=MemStat," + getTestMethod(include) + ",print");
options.add("-XX:+UnlockDiagnosticVMOptions");
options.add("-XX:+PrintCompilerMemoryStatisticsAtExit");
options.add(getTestClass());
OutputAnalyzer oa = ProcessTools.executeTestJava(options);
oa.reportDiagnosticSummary();
// We expect two printouts for "MemStat". A line at compilation time, and a line in a summary report
// that is printed when we exit. Both use the typical <class>::name format but use / as separator and also
// print the signature.
String expectedNameIncl = getTestMethod(include)
.replace('.', '/')
.replace("$", "\\$");
String expectedNameExcl = getTestMethod(exclude)
.replace('.', '/')
.replace("$", "\\$");
oa.shouldHaveExitValue(0);
if (ctyp == CompType.c1) {
// Example output for a C1 compilation output:
// c1 (885) (ok) Arena usage java/util/zip/ZipFile$Source::get((Ljava/io/File;ZLjava/util/zip/ZipCoder;)Ljava/util/zip/ZipFile$Source;): 752744 [ra 687288, cienv 65456]
oa.shouldMatch("c1.*Arena usage " + expectedNameIncl + ".*: \\d+.*");
}
// In C2, analyze phase timeline and per-phase accumulation
if (ctyp == CompType.c2) {
oa.shouldMatch("c2.*Arena usage " + expectedNameIncl + ".*: \\d+.*");
oa.shouldMatch("--- Arena Usage by Arena Type and compilation phase, at arena usage peak of \\d+ ---");
oa.shouldContain("--- Allocation timelime by phase ---");
if (Platform.isDebugBuild()) {
oa.shouldMatch(".*testPhase2 +33554432 +33554432 +0 +0 +0 +0 +0.*");
oa.shouldMatch(" +>\\d+ +testPhase1.*significant temporary peak: \\d+ \\(\\+2098136\\)");
oa.shouldMatch(" +>\\d+ +testPhase2 +\\d+ +\\(\\+33554432\\).*");
}
}
// We also print a final report to tty if print is enabled. Looks like this:
//
// Compilation Memory usage:
// ctyp total ra node comp type index reglive regsplit cienv other #nodes codesz result limit time id thread method
// c1 14104176 13776896 0 0 0 0 0 0 327280 0 - 0 oom 10240K 0,547 412 0x00007fb14c1fb640 jdk/internal/classfile/impl/StackMapGenerator::processBlock((Ljdk/internal/classfile/impl/RawBytecodeHelper;)Z)
// c2 5058384 4499056 262808 197352 0 0 0 0 32728 66440 293 1464 ok 10240K 0,200 191 0x00007fb14c1f9bb0 java/lang/StringLatin1::lastIndexOf(([BII)I)
oa.shouldMatch("\\s+ctyp\\s+total.*method.*");
oa.shouldMatch("\\s+c(1|2)\\s+\\d+.*" + expectedNameIncl + ".*");
// In debug builds, we have a default memory limit enabled. That implies MemStat. Therefore we
// may see the other method also.
if (!Platform.isDebugBuild()) {
oa.shouldNotContain(expectedNameExcl);
}
}
// Test class that is invoked by the sub process
public static String getTestClass() {
return TestMain.class.getName();
}
public static String getTestMethod(String method) {
return getTestClass() + "::" + method;
}
public static class TestMain {
public static void main(String[] args) {
method1();
method2();
}
static void method1() {}
static void method2() {}
}
}
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