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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * This file is part of Sponge, licensed under the MIT License (MIT). | ||
| * | ||
| * Copyright (c) SpongePowered <https://www.spongepowered.org> | ||
| * Copyright (c) contributors | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
| package org.spongepowered.common.util; | ||
|
|
||
| import org.spongepowered.common.SpongeCommon; | ||
|
|
||
| import java.lang.management.ManagementFactory; | ||
| import java.lang.reflect.Method; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.text.MessageFormat; | ||
| import java.time.LocalDateTime; | ||
| import java.time.format.DateTimeFormatter; | ||
|
|
||
| import javax.management.MBeanServer; | ||
|
|
||
| public final class JvmUtil { | ||
|
|
||
| public static boolean dumpHeap() { | ||
| final Path p = Path.of(".", "dumps", | ||
| "heap-dump-" + DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss").format(LocalDateTime.now()) + "-server.hprof"); | ||
| SpongeCommon.logger().info("Writing JVM heap data to: {}", p.toAbsolutePath()); | ||
| try { | ||
| Files.createDirectories(p.getParent()); | ||
|
|
||
| final Class<?> clazz = Class.forName("com.sun.management.HotSpotDiagnosticMXBean"); | ||
| final MBeanServer server = ManagementFactory.getPlatformMBeanServer(); | ||
| final Object hotspotMBean = ManagementFactory.newPlatformMXBeanProxy(server, "com.sun.management:type=HotSpotDiagnostic", clazz); | ||
| final Method m = clazz.getMethod("dumpHeap", String.class, boolean.class); | ||
| m.invoke(hotspotMBean, p.toString(), true); | ||
| SpongeCommon.logger().info("Heap dump complete"); | ||
| return true; | ||
| } catch (final Throwable t) { | ||
| SpongeCommon.logger().error(t); | ||
| SpongeCommon.logger().error(MessageFormat.format("Could not write heap to {0}: {1}", p, t.getMessage())); | ||
| return false; | ||
| } | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
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...mixins/java/org/spongepowered/common/mixin/core/server/dedicated/ServerWatchdogMixin.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * This file is part of Sponge, licensed under the MIT License (MIT). | ||
| * | ||
| * Copyright (c) SpongePowered <https://www.spongepowered.org> | ||
| * Copyright (c) contributors | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
| package org.spongepowered.common.mixin.core.server.dedicated; | ||
|
|
||
| import net.minecraft.server.dedicated.ServerWatchdog; | ||
| import org.spongepowered.asm.mixin.Mixin; | ||
| import org.spongepowered.asm.mixin.injection.At; | ||
| import org.spongepowered.asm.mixin.injection.Inject; | ||
| import org.spongepowered.asm.mixin.injection.callback.CallbackInfo; | ||
| import org.spongepowered.common.util.JvmUtil; | ||
|
|
||
| @Mixin(ServerWatchdog.class) | ||
| public abstract class ServerWatchdogMixin { | ||
|
|
||
| @Inject(method = "exit", at = @At("HEAD")) | ||
| private void impl$dumpHeap(final CallbackInfo ci) { | ||
| if (Boolean.getBoolean("sponge.watchdogWriteDumpHeap")) { | ||
| JvmUtil.dumpHeap(); | ||
| } | ||
| } | ||
| } |
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