8058712: [TESTBUG] serviceability/dcmd/CodeCacheTest.java fails with java.lang.Exception
The test is changed to check the output according to the number of available code segments. Reviewed-by: kvn
This commit is contained in:
Tobias Hartmann
parent
37c8ef911c
commit
b9eae7f74f
@ -25,7 +25,8 @@
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* @test CodeCacheTest
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* @bug 8054889
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* @build DcmdUtil CodeCacheTest
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* @run main CodeCacheTest
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* @run main/othervm -XX:+SegmentedCodeCache CodeCacheTest
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* @run main/othervm -XX:-SegmentedCodeCache CodeCacheTest
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* @summary Test of diagnostic command Compiler.codecache
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*/
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@ -39,60 +40,105 @@ public class CodeCacheTest {
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/**
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* This test calls Jcmd (diagnostic command tool) Compiler.codecache and then parses the output,
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* making sure that all number look ok
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* making sure that all numbers look ok
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*
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*
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* Expected output:
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* Expected output without code cache segmentation:
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*
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* CodeCache: size=245760Kb used=4680Kb max_used=4680Kb free=241079Kb
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* bounds [0x00007f5bd9000000, 0x00007f5bd94a0000, 0x00007f5be8000000]
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* total_blobs=575 nmethods=69 adapters=423
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* compilation: enabled
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*
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* Expected output with code cache segmentation (number of segments may change):
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*
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* CodeHeap 'non-methods': size=5696Kb used=2236Kb max_used=2238Kb free=3459Kb
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* bounds [0x00007fa0f0ffe000, 0x00007fa0f126e000, 0x00007fa0f158e000]
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* CodeHeap 'profiled nmethods': size=120036Kb used=8Kb max_used=8Kb free=120027Kb
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* bounds [0x00007fa0f158e000, 0x00007fa0f17fe000, 0x00007fa0f8ac7000]
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* CodeHeap 'non-profiled nmethods': size=120036Kb used=2Kb max_used=2Kb free=120034Kb
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* bounds [0x00007fa0f8ac7000, 0x00007fa0f8d37000, 0x00007fa100000000]
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* total_blobs=486 nmethods=8 adapters=399
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* compilation: enabled
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*/
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static Pattern line1 = Pattern.compile("CodeCache: size=(\\p{Digit}*)Kb used=(\\p{Digit}*)Kb max_used=(\\p{Digit}*)Kb free=(\\p{Digit}*)Kb");
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static Pattern line1 = Pattern.compile("(CodeCache|CodeHeap.*): size=(\\p{Digit}*)Kb used=(\\p{Digit}*)Kb max_used=(\\p{Digit}*)Kb free=(\\p{Digit}*)Kb");
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static Pattern line2 = Pattern.compile(" bounds \\[0x(\\p{XDigit}*), 0x(\\p{XDigit}*), 0x(\\p{XDigit}*)\\]");
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static Pattern line3 = Pattern.compile(" total_blobs=(\\p{Digit}*) nmethods=(\\p{Digit}*) adapters=(\\p{Digit}*)");
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static Pattern line4 = Pattern.compile(" compilation: (\\w*)");
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static Pattern line4 = Pattern.compile(" compilation: (.*)");
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private static boolean getFlagBool(String flag, String where) {
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Matcher m = Pattern.compile(flag + "\\s+:?= (true|false)").matcher(where);
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if (!m.find()) {
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throw new RuntimeException("Could not find value for flag " + flag + " in output string");
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}
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return m.group(1).equals("true");
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}
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private static int getFlagInt(String flag, String where) {
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Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where);
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if (!m.find()) {
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throw new RuntimeException("Could not find value for flag " + flag + " in output string");
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}
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String match = m.group();
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return Integer.parseInt(match.substring(match.lastIndexOf(" ") + 1, match.length()));
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}
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public static void main(String arg[]) throws Exception {
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// Get number of code cache segments
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int segmentsCount = 0;
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String flags = DcmdUtil.executeDcmd("VM.flags", "-all");
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if (!getFlagBool("SegmentedCodeCache", flags) || !getFlagBool("UseCompiler", flags)) {
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// No segmentation
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segmentsCount = 1;
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} else if (getFlagBool("TieredCompilation", flags) && getFlagInt("TieredStopAtLevel", flags) > 1) {
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// Tiered compilation: use all segments
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segmentsCount = 3;
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} else {
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// No TieredCompilation: only non-method and non-profiled segment
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segmentsCount = 2;
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}
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// Get output from dcmd (diagnostic command)
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String result = DcmdUtil.executeDcmd("Compiler.codecache");
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BufferedReader r = new BufferedReader(new StringReader(result));
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// Validate first line
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// Validate code cache segments
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String line;
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line = r.readLine();
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Matcher m = line1.matcher(line);
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if (m.matches()) {
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for(int i = 1; i <= 4; i++) {
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int val = Integer.parseInt(m.group(i));
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if (val < 0) {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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}
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} else {
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throw new Exception("Regexp 1 failed");
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}
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Matcher m;
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for (int s = 0; s < segmentsCount; ++s) {
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// Validate first line
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line = r.readLine();
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m = line1.matcher(line);
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if (m.matches()) {
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for (int i = 2; i <= 5; i++) {
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int val = Integer.parseInt(m.group(i));
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if (val < 0) {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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}
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} else {
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throw new Exception("Regexp 1 failed");
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}
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// Validate second line
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line = r.readLine();
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m = line2.matcher(line);
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if (m.matches()) {
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String start = m.group(1);
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String mark = m.group(2);
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String top = m.group(3);
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// Validate second line
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line = r.readLine();
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m = line2.matcher(line);
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if (m.matches()) {
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String start = m.group(1);
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String mark = m.group(2);
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String top = m.group(3);
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// Lexical compare of hex numbers to check that they look sane.
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if (start.compareTo(mark) > 1) {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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if (mark.compareTo(top) > 1) {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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} else {
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throw new Exception("Regexp 2 failed line: " + line);
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// Lexical compare of hex numbers to check that they look sane.
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if (start.compareTo(mark) > 1) {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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if (mark.compareTo(top) > 1) {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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} else {
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throw new Exception("Regexp 2 failed line: " + line);
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}
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}
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// Validate third line
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@ -104,7 +150,7 @@ public class CodeCacheTest {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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int nmethods = Integer.parseInt(m.group(2));
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if (nmethods <= 0) {
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if (nmethods < 0) {
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throw new Exception("Failed parsing dcmd codecache output");
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}
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int adapters = Integer.parseInt(m.group(3));
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@ -121,11 +167,7 @@ public class CodeCacheTest {
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// Validate fourth line
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line = r.readLine();
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m = line4.matcher(line);
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if (m.matches()) {
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if (!m.group(1).equals("enabled")) {
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throw new Exception("Invalid message: '" + m.group(1) + "'");
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}
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} else {
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if (!m.matches()) {
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throw new Exception("Regexp 4 failed");
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}
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}
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