jdk-24/test/hotspot/jtreg/runtime/logging/DeoptStats.java
2022-06-22 15:57:48 +00:00

80 lines
2.8 KiB
Java

/*
* Copyright Amazon.com Inc. 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
* @bug 8275865
* @requires vm.compiler2.enabled
* @summary Verify that the Deoptimization statistics are printed to the VM/Compiler log file
* @library /test/lib
* @run main/othervm -Xbatch -XX:-UseOnStackReplacement -XX:-OmitStackTraceInFastThrow
* -XX:+UnlockDiagnosticVMOptions -XX:+LogCompilation
* -XX:-LogVMOutput -XX:LogFile=compilation.log DeoptStats
* @run main/othervm -Xbatch -XX:-UseOnStackReplacement -XX:-OmitStackTraceInFastThrow
* -XX:+UnlockDiagnosticVMOptions -XX:+LogCompilation
* -XX:+LogVMOutput -XX:LogFile=vmOutput.log DeoptStats
* @run main/othervm DeoptStats compilation.log vmOutput.log
*/
import java.nio.file.Paths;
import jdk.test.lib.process.OutputAnalyzer;
public class DeoptStats {
static class Value {
int i;
public Value(int i) { this.i = i; }
}
static int f(Value v) {
try {
return v.i;
} catch (NullPointerException npe) {
return -1;
}
}
public static void verify(String[] logFiles) throws Exception {
for (String logFile : logFiles) {
OutputAnalyzer oa = new OutputAnalyzer(Paths.get(logFile));
oa.shouldMatchByLine("<statistics type='deoptimization'>", // Start from this line
"</statistics>", // Match until this line
"(Deoptimization traps recorded:)|( .+)");
}
}
public static void main(String[] args) throws Exception {
if (args.length > 0) {
verify(args);
} else {
Value zero = new Value(0);
for (int i = 0; i < 20_000; i++) {
f(zero);
}
// trigger null_check
f(null);
}
}
}