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8221623: Add StackWalker micro benchmarks to jdk repo
Reviewed-by: dfuchs, mchung, redestad
This commit is contained in:
Brent Christian
parent
a36b2af52b
commit
916bbc23b7
358
test/micro/org/openjdk/bench/java/lang/StackWalkBench.java
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358
test/micro/org/openjdk/bench/java/lang/StackWalkBench.java
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@ -0,0 +1,358 @@
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/*
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* Copyright (c) 2015, 2019 Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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||||
* This code is free software; you can redistribute it and/or modify it
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||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
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||||
* 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).
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||||
*
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||||
* 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.
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||||
*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.openjdk.bench.java.lang;
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import java.lang.StackWalker.StackFrame;
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import java.util.concurrent.TimeUnit;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Param;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.infra.Blackhole;
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/**
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* Benchmarks for java.lang.StackWalker
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*/
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@State(value=Scope.Benchmark)
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.NANOSECONDS)
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public class StackWalkBench {
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private static final StackWalker WALKER_DEFAULT = StackWalker.getInstance();
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private static final StackWalker WALKER_CLASS =
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StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
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// TestStack will add this number of calls to the call stack
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@Param({"4", "100", "1000"})
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// For more thorough testing, consider:
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// @Param({"4", "10", "100", "256", "1000"})
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public int depth;
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// Only used by swFilterCallerClass, to specify (roughly) how far back the
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// call stack the target class will be found. Not needed by other
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// benchmarks, so not a @Param by default.
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// @Param({"4"})
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public int mark = 4;
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/** Build a call stack of a given size, then run trigger code in it.
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* (Does not account for existing frames higher up in the JMH machinery).
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*/
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public static class TestStack {
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final long fence;
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long current;
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final Runnable trigger;
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public TestStack(long max, Runnable trigger) {
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this.fence = max;
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this.current = 0;
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this.trigger = trigger;
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}
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public void start() {
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one();
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}
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public void one() {
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if (check()) {
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two();
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}
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}
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void two() {
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if (check()) {
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three();
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}
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}
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private void three() {
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if (check()) {
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one();
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}
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}
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boolean check() {
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if (++current == fence) {
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trigger.run();
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return false;
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} else {
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return true;
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}
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}
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}
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/* Class to look for when testing filtering */
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static class TestMarker {
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public void call(MarkedTestStack test) {
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test.marked();
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}
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}
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/** Call stack to test filtering.
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* TestMarker will make a call on the stack.
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*/
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static class MarkedTestStack extends TestStack {
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long mark;
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/**
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* @param mark How far back the stack should the TestMarker be found?
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*/
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public MarkedTestStack(long max, long mark, Runnable trigger) {
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super(max, trigger);
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if (mark > max) {
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throw new IllegalArgumentException("mark must be <= max");
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}
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this.mark = max - mark; // Count backwards from the completed call stack
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}
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@Override
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public void start() {
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if (mark == 0) {
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mark();
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} else {
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super.one();
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}
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}
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@Override
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boolean check() {
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if (++current == mark) {
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mark();
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return false;
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} else if (current == fence) {
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trigger.run();
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return false;
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} else {
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return true;
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}
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}
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void mark() {
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new TestMarker().call(this);
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}
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public void marked() {
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if (current < fence) {
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if (check()) {
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one();
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}
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} else {
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trigger.run();
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}
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}
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}
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/**
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* StackWalker.forEach() with default options
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*/
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@Benchmark
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public void forEach_DefaultOpts(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new TestStack(depth, new Runnable() {
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public void run() {
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WALKER_DEFAULT.forEach(localBH::consume);
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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/**
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* Use Stackwalker.walk() to fetch class names
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*/
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@Benchmark
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public void walk_ClassNames(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new TestStack(depth, new Runnable() {
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public void run() {
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WALKER_DEFAULT.walk(s -> {
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s.map(StackFrame::getClassName).forEach(localBH::consume);
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return null;
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});
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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/**
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* Use Stackwalker.walk() to fetch method names
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*/
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@Benchmark
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public void walk_MethodNames(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new TestStack(depth, new Runnable() {
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public void run() {
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WALKER_DEFAULT.walk( s -> {
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s.map(StackFrame::getMethodName).forEach(localBH::consume);
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return null;
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});
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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/**
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* Use Stackwalker.walk() to fetch declaring class instances
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*/
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@Benchmark
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public void walk_DeclaringClass(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new TestStack(depth, new Runnable() {
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public void run() {
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WALKER_CLASS.walk(s -> {
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s.map(StackFrame::getDeclaringClass).forEach(localBH::consume);
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return null;
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});
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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/**
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* Use StackWalker.walk() to fetch StackTraceElements
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*/
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@Benchmark
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public void walk_StackTraceElements(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new TestStack(depth, new Runnable() {
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public void run() {
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WALKER_DEFAULT.walk(s -> {
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s.map(StackFrame::toStackTraceElement).forEach(localBH::consume);
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return null;
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});
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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/**
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* StackWalker.getCallerClass()
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*/
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@Benchmark
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public void getCallerClass(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new TestStack(depth, new Runnable() {
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public void run() {
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localBH.consume(WALKER_CLASS.getCallerClass());
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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/**
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* Use StackWalker.walk() to filter the StackFrames, looking for the
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* TestMarker class, which will be (approximately) 'mark' calls back up the
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* call stack.
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*/
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@Benchmark
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public void walk_filterCallerClass(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new MarkedTestStack(depth, mark, new Runnable() {
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public void run() {
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// To be comparable with Reflection.getCallerClass(), return the Class object
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WALKER_CLASS.walk(s -> {
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localBH.consume(s.filter(f -> TestMarker.class.equals(f.getDeclaringClass())).findFirst().get().getDeclaringClass());
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return null;
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});
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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/**
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* Use StackWalker.walk() to filter the StackFrames, looking for the
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* TestMarker class, which will be (approximately) depth/2 calls back up the
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* call stack.
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*/
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@Benchmark
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public void walk_filterCallerClassHalfStack(Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new MarkedTestStack(depth, depth / 2, new Runnable() {
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public void run() {
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// To be comparable with Reflection.getCallerClass(), return the Class object
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WALKER_CLASS.walk(s -> {
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localBH.consume(s.filter((f) -> TestMarker.class.equals(f.getDeclaringClass())).findFirst().get().getDeclaringClass());
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return null;
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});
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done[0] = true;
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}
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}).start();
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if (!done[0]) {
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throw new RuntimeException();
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}
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}
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// TODO: add swConsumeFramesWithReflection
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// TODO: add swFilterOutStreamClasses
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// // This benchmark is for collecting performance counter data
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// static PerfCounter streamTime = PerfCounter.newPerfCounter("jdk.stackwalk.testStreamsElapsedTime");
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// static PerfCounter numStream = PerfCounter.newPerfCounter("jdk.stackwalk.numTestStreams");
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// // @Benchmark
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// public void swStkFrmsTimed(Blackhole bh) {
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// final Blackhole localBH = bh;
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// final boolean[] done = {false};
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// new TestStack(depth, new Runnable() {
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// public void run() {
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// long t0 = System.nanoTime();
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// WALKER_DEFAULT.forEach(localBH::consume);
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// streamTime.addElapsedTimeFrom(t0);
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// numStream.increment();
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// done[0] = true;
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// }
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// }).start();
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// if (!done[0]) {
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// throw new RuntimeException();
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// }
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// }
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}
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@ -0,0 +1,175 @@
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/*
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* Copyright (c) 2015, 2019 Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
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* This code is distributed in the hope that it will be useful, but WITHOUT
|
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* 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).
|
||||
*
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* 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.
|
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
|
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* questions.
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*/
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package org.openjdk.bench.java.util.logging;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.logging.LogRecord;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Param;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.infra.Blackhole;
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@State(value = Scope.Benchmark)
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.NANOSECONDS)
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public class LoggingRuntimeMicros {
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// TestStack will add this number of calls to the call stack
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@Param({"4", "100", "1000"})
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// For more thorough testing, consider:
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// @Param({"4", "10", "100", "256", "1000"})
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public int depth;
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/** Logging handler for testing logging calls. */
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@State(value = Scope.Thread) // create a separate one for each worker thread
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public static class TestHandler extends java.util.logging.Handler {
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private final static AtomicInteger serialNum = new AtomicInteger(0);
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private final java.util.logging.Logger logger;
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private volatile LogRecord record;
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public TestHandler() {
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// Each instance uses its own logger
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logger = java.util.logging.Logger.getLogger("StackWalkBench" + serialNum.incrementAndGet());
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logger.setUseParentHandlers(false);
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logger.addHandler(this);
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}
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@Override
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public void publish(LogRecord record) {
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record.getSourceMethodName();
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this.record = record;
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}
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private LogRecord reset() {
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LogRecord record = this.record;
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this.record = null;
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return record;
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}
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public final LogRecord testInferCaller(String msg) {
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logger.info(msg);
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LogRecord rec = this.reset();
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if (!"testInferCaller".equals(rec.getSourceMethodName())) {
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throw new RuntimeException("bad caller: "
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+ rec.getSourceClassName() + "."
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+ rec.getSourceMethodName());
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}
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return rec;
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}
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public final LogRecord testLogp(String msg) {
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logger.logp(java.util.logging.Level.INFO, "foo", "bar", msg);
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LogRecord rec = this.reset();
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if (!"bar".equals(rec.getSourceMethodName())) {
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throw new RuntimeException("bad caller: "
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+ rec.getSourceClassName() + "."
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+ rec.getSourceMethodName());
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}
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return rec;
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}
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@Override public void flush() {}
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@Override public void close() throws SecurityException {}
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}
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/** Build a call stack of a given size, then run trigger code in it.
|
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* (Does not account for existing frames higher up in the JMH machinery).
|
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*/
|
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static class TestStack {
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final long fence;
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long current;
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final Runnable trigger;
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TestStack(long max, Runnable trigger) {
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this.fence = max;
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this.current = 0;
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this.trigger = trigger;
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}
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public void start() {
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one();
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}
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public void one() {
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if (check()) {
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two();
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}
|
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}
|
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void two() {
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if (check()) {
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three();
|
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}
|
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}
|
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|
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private void three() {
|
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if (check()) {
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one();
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}
|
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}
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boolean check() {
|
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if (++current == fence) {
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trigger.run();
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return false;
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} else {
|
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return true;
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}
|
||||
}
|
||||
}
|
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@Benchmark
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public void testLoggingInferCaller(TestHandler handler, Blackhole bh) {
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final Blackhole localBH = bh;
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final boolean[] done = {false};
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new TestStack(depth, new Runnable() {
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public void run() {
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localBH.consume(handler.testInferCaller("test"));
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done[0] = true;
|
||||
}
|
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}).start();
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if (!done[0]) {
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||||
throw new RuntimeException();
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public void testLoggingLogp(TestHandler handler, Blackhole bh) {
|
||||
final Blackhole localBH = bh;
|
||||
final boolean[] done = {false};
|
||||
new TestStack(depth, new Runnable() {
|
||||
public void run() {
|
||||
localBH.consume(handler.testLogp("test"));
|
||||
done[0] = true;
|
||||
}
|
||||
}).start();
|
||||
if (!done[0]) {
|
||||
throw new RuntimeException();
|
||||
}
|
||||
}
|
||||
}
|
||||
139
test/micro/org/openjdk/bench/vm/lang/ThrowableRuntimeMicros.java
Normal file
139
test/micro/org/openjdk/bench/vm/lang/ThrowableRuntimeMicros.java
Normal file
@ -0,0 +1,139 @@
|
||||
/*
|
||||
* Copyright (c) 2015, 2019 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.
|
||||
*/
|
||||
package org.openjdk.bench.vm.lang;
|
||||
|
||||
import java.util.concurrent.TimeUnit;
|
||||
import org.openjdk.jmh.annotations.Benchmark;
|
||||
import org.openjdk.jmh.annotations.BenchmarkMode;
|
||||
import org.openjdk.jmh.annotations.Mode;
|
||||
import org.openjdk.jmh.annotations.OutputTimeUnit;
|
||||
import org.openjdk.jmh.annotations.Param;
|
||||
import org.openjdk.jmh.annotations.Scope;
|
||||
import org.openjdk.jmh.annotations.State;
|
||||
import org.openjdk.jmh.infra.Blackhole;
|
||||
|
||||
@State(value = Scope.Benchmark)
|
||||
@BenchmarkMode(Mode.AverageTime)
|
||||
@OutputTimeUnit(TimeUnit.NANOSECONDS)
|
||||
public class ThrowableRuntimeMicros {
|
||||
|
||||
// TestStack will add this number of calls to the call stack
|
||||
@Param({"4", "100", "1000"})
|
||||
// For more thorough testing, consider:
|
||||
// @Param({"4", "10", "100", "256", "1000"})
|
||||
public int depth;
|
||||
|
||||
/** Build a call stack of a given size, then run trigger code in it.
|
||||
* (Does not account for existing frames higher up in the JMH machinery).
|
||||
*/
|
||||
static class TestStack {
|
||||
final long fence;
|
||||
long current;
|
||||
final Runnable trigger;
|
||||
|
||||
TestStack(long max, Runnable trigger) {
|
||||
this.fence = max;
|
||||
this.current = 0;
|
||||
this.trigger = trigger;
|
||||
}
|
||||
|
||||
public void start() {
|
||||
one();
|
||||
}
|
||||
|
||||
public void one() {
|
||||
if (check()) {
|
||||
two();
|
||||
}
|
||||
}
|
||||
|
||||
void two() {
|
||||
if (check()) {
|
||||
three();
|
||||
}
|
||||
}
|
||||
|
||||
private void three() {
|
||||
if (check()) {
|
||||
one();
|
||||
}
|
||||
}
|
||||
|
||||
boolean check() {
|
||||
if (++current == fence) {
|
||||
trigger.run();
|
||||
return false;
|
||||
} else {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public void testThrowableInit(Blackhole bh) {
|
||||
final Blackhole localBH = bh;
|
||||
final boolean[] done = {false};
|
||||
new TestStack(depth, new Runnable() {
|
||||
public void run() {
|
||||
localBH.consume(new Throwable());
|
||||
done[0] = true;
|
||||
}
|
||||
}).start();
|
||||
if (!done[0]) {
|
||||
throw new RuntimeException();
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public void testThrowableGetStackTrace(Blackhole bh) {
|
||||
final Blackhole localBH = bh;
|
||||
final boolean[] done = {false};
|
||||
new TestStack(depth, new Runnable() {
|
||||
public void run() {
|
||||
localBH.consume(new Throwable().getStackTrace());
|
||||
done[0] = true;
|
||||
}
|
||||
}).start();
|
||||
if (!done[0]) {
|
||||
throw new RuntimeException();
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public void testThrowableSTEtoString(Blackhole bh) {
|
||||
final Blackhole localBH = bh;
|
||||
final boolean[] done = {false};
|
||||
new TestStack(depth, new Runnable() {
|
||||
public void run() {
|
||||
Throwable t = new Throwable();
|
||||
for (StackTraceElement ste : t.getStackTrace()) {
|
||||
localBH.consume(ste.toString());
|
||||
}
|
||||
done[0] = true;
|
||||
}
|
||||
}).start();
|
||||
if (!done[0]) {
|
||||
throw new RuntimeException();
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user