--- a/hotspot/test/serviceability/dcmd/CodeCacheTest.java Thu Oct 09 11:24:13 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,174 +0,0 @@
-/*
- * Copyright (c) 2014, 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 CodeCacheTest
- * @bug 8054889
- * @build DcmdUtil CodeCacheTest
- * @run main/othervm -XX:+SegmentedCodeCache CodeCacheTest
- * @run main/othervm -XX:-SegmentedCodeCache CodeCacheTest
- * @summary Test of diagnostic command Compiler.codecache
- */
-
-import java.io.BufferedReader;
-import java.io.StringReader;
-import java.lang.reflect.Method;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-public class CodeCacheTest {
-
- /**
- * This test calls Jcmd (diagnostic command tool) Compiler.codecache and then parses the output,
- * making sure that all numbers look ok
- *
- *
- * Expected output without code cache segmentation:
- *
- * CodeCache: size=245760Kb used=4680Kb max_used=4680Kb free=241079Kb
- * bounds [0x00007f5bd9000000, 0x00007f5bd94a0000, 0x00007f5be8000000]
- * total_blobs=575 nmethods=69 adapters=423
- * compilation: enabled
- *
- * Expected output with code cache segmentation (number of segments may change):
- *
- * CodeHeap 'non-methods': size=5696Kb used=2236Kb max_used=2238Kb free=3459Kb
- * bounds [0x00007fa0f0ffe000, 0x00007fa0f126e000, 0x00007fa0f158e000]
- * CodeHeap 'profiled nmethods': size=120036Kb used=8Kb max_used=8Kb free=120027Kb
- * bounds [0x00007fa0f158e000, 0x00007fa0f17fe000, 0x00007fa0f8ac7000]
- * CodeHeap 'non-profiled nmethods': size=120036Kb used=2Kb max_used=2Kb free=120034Kb
- * bounds [0x00007fa0f8ac7000, 0x00007fa0f8d37000, 0x00007fa100000000]
- * total_blobs=486 nmethods=8 adapters=399
- * compilation: enabled
- */
-
- static Pattern line1 = Pattern.compile("(CodeCache|CodeHeap.*): size=(\\p{Digit}*)Kb used=(\\p{Digit}*)Kb max_used=(\\p{Digit}*)Kb free=(\\p{Digit}*)Kb");
- static Pattern line2 = Pattern.compile(" bounds \\[0x(\\p{XDigit}*), 0x(\\p{XDigit}*), 0x(\\p{XDigit}*)\\]");
- static Pattern line3 = Pattern.compile(" total_blobs=(\\p{Digit}*) nmethods=(\\p{Digit}*) adapters=(\\p{Digit}*)");
- static Pattern line4 = Pattern.compile(" compilation: (.*)");
-
- private static boolean getFlagBool(String flag, String where) {
- Matcher m = Pattern.compile(flag + "\\s+:?= (true|false)").matcher(where);
- if (!m.find()) {
- throw new RuntimeException("Could not find value for flag " + flag + " in output string");
- }
- return m.group(1).equals("true");
- }
-
- private static int getFlagInt(String flag, String where) {
- Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where);
- if (!m.find()) {
- throw new RuntimeException("Could not find value for flag " + flag + " in output string");
- }
- String match = m.group();
- return Integer.parseInt(match.substring(match.lastIndexOf(" ") + 1, match.length()));
- }
-
- public static void main(String arg[]) throws Exception {
- // Get number of code cache segments
- int segmentsCount = 0;
- String flags = DcmdUtil.executeDcmd("VM.flags", "-all");
- if (!getFlagBool("SegmentedCodeCache", flags) || !getFlagBool("UseCompiler", flags)) {
- // No segmentation
- segmentsCount = 1;
- } else if (getFlagBool("TieredCompilation", flags) && getFlagInt("TieredStopAtLevel", flags) > 1) {
- // Tiered compilation: use all segments
- segmentsCount = 3;
- } else {
- // No TieredCompilation: only non-method and non-profiled segment
- segmentsCount = 2;
- }
-
- // Get output from dcmd (diagnostic command)
- String result = DcmdUtil.executeDcmd("Compiler.codecache");
- BufferedReader r = new BufferedReader(new StringReader(result));
-
- // Validate code cache segments
- String line;
- Matcher m;
- for (int s = 0; s < segmentsCount; ++s) {
- // Validate first line
- line = r.readLine();
- m = line1.matcher(line);
- if (m.matches()) {
- for (int i = 2; i <= 5; i++) {
- int val = Integer.parseInt(m.group(i));
- if (val < 0) {
- throw new Exception("Failed parsing dcmd codecache output");
- }
- }
- } else {
- throw new Exception("Regexp 1 failed");
- }
-
- // Validate second line
- line = r.readLine();
- m = line2.matcher(line);
- if (m.matches()) {
- String start = m.group(1);
- String mark = m.group(2);
- String top = m.group(3);
-
- // Lexical compare of hex numbers to check that they look sane.
- if (start.compareTo(mark) > 1) {
- throw new Exception("Failed parsing dcmd codecache output");
- }
- if (mark.compareTo(top) > 1) {
- throw new Exception("Failed parsing dcmd codecache output");
- }
- } else {
- throw new Exception("Regexp 2 failed line: " + line);
- }
- }
-
- // Validate third line
- line = r.readLine();
- m = line3.matcher(line);
- if (m.matches()) {
- int blobs = Integer.parseInt(m.group(1));
- if (blobs <= 0) {
- throw new Exception("Failed parsing dcmd codecache output");
- }
- int nmethods = Integer.parseInt(m.group(2));
- if (nmethods < 0) {
- throw new Exception("Failed parsing dcmd codecache output");
- }
- int adapters = Integer.parseInt(m.group(3));
- if (adapters <= 0) {
- throw new Exception("Failed parsing dcmd codecache output");
- }
- if (blobs < (nmethods + adapters)) {
- throw new Exception("Failed parsing dcmd codecache output");
- }
- } else {
- throw new Exception("Regexp 3 failed");
- }
-
- // Validate fourth line
- line = r.readLine();
- m = line4.matcher(line);
- if (!m.matches()) {
- throw new Exception("Regexp 4 failed");
- }
- }
-}