-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
7 changed files
with
505 additions
and
5 deletions.
There are no files selected for viewing
98 changes: 98 additions & 0 deletions
98
src/main/java/org/github/krashpad/domain/jdk/MemoryProtectionEvent.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /********************************************************************************************************************** | ||
| * krashpad * | ||
| * * | ||
| * Copyright (c) 2020-2024 Mike Millson * | ||
| * * | ||
| * This program and the accompanying materials are made available under the terms of the Eclipse Public License * | ||
| * v. 2.0 which is available at https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 which is * | ||
| * available at https://www.apache.org/licenses/LICENSE-2.0. * | ||
| * * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 * | ||
| * * | ||
| * Contributors: * | ||
| * Mike Millson - initial API and implementation * | ||
| *********************************************************************************************************************/ | ||
| package org.github.krashpad.domain.jdk; | ||
|
|
||
| import org.github.krashpad.domain.HeaderEvent; | ||
| import org.github.krashpad.domain.LogEvent; | ||
| import org.github.krashpad.util.jdk.JdkRegEx; | ||
| import org.github.krashpad.util.jdk.JdkUtil.LogEventType; | ||
|
|
||
| /** | ||
| * <p> | ||
| * MEMORY_PROTECTION_EVENT | ||
| * </p> | ||
| * | ||
| * <p> | ||
| * Memory protection information. Reported under generic <code>Event</code> prior to JDK21u4: | ||
| * <a href="https://bugs.openjdk.org/browse/JDK-8329605">JDK-8329605: hs errfile generic events - move memory | ||
| * protections and nmethod flushes to separate sections</a>. | ||
| * </p> | ||
| * | ||
| * <h2>Example Logging</h2> | ||
| * | ||
| * <pre> | ||
| * Memory protections (20 events): | ||
| * Event: 227.096 Protecting memory [0x00007f11466e8000,0x00007f11466ec000] with protection modes 0 | ||
| * </pre> | ||
| * | ||
| * @author <a href="mailto:mmillson@redhat.com">Mike Millson</a> | ||
| * | ||
| */ | ||
| public class MemoryProtectionEvent implements LogEvent, HeaderEvent { | ||
| /** | ||
| * Regular expression for the header. | ||
| */ | ||
| public static final String _REGEX_HEADER = "Memory protections \\(\\d{1,} events\\):"; | ||
|
|
||
| /** | ||
| * Regular expression defining the logging. | ||
| */ | ||
| private static final String REGEX = "^(" + _REGEX_HEADER + "|Event: " + JdkRegEx.TIMESTAMP | ||
| + " Protecting memory .+|No events)$"; | ||
|
|
||
| /** | ||
| * Determine if the logLine matches the logging pattern(s) for this event. | ||
| * | ||
| * @param logLine | ||
| * The log line to test. | ||
| * @return true if the log line matches the event pattern, false otherwise. | ||
| */ | ||
| public static final boolean match(String logLine) { | ||
| return logLine.matches(REGEX); | ||
| } | ||
|
|
||
| /** | ||
| * The log entry for the event. | ||
| */ | ||
| private String logEntry; | ||
|
|
||
| /** | ||
| * Create event from log entry. | ||
| * | ||
| * @param logEntry | ||
| * The log entry for the event. | ||
| */ | ||
| public MemoryProtectionEvent(String logEntry) { | ||
| this.logEntry = logEntry; | ||
| } | ||
|
|
||
| @Override | ||
| public LogEventType getEventType() { | ||
| return LogEventType.MEMORY_PROTECTION_EVENT; | ||
| } | ||
|
|
||
| public String getLogEntry() { | ||
| return logEntry; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isHeader() { | ||
| boolean isHeader = false; | ||
| if (this.logEntry != null) { | ||
| isHeader = logEntry.matches(_REGEX_HEADER); | ||
| } | ||
| return isHeader; | ||
| } | ||
| } |
98 changes: 98 additions & 0 deletions
98
src/main/java/org/github/krashpad/domain/jdk/NmethodFlushesEvent.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /********************************************************************************************************************** | ||
| * krashpad * | ||
| * * | ||
| * Copyright (c) 2020-2024 Mike Millson * | ||
| * * | ||
| * This program and the accompanying materials are made available under the terms of the Eclipse Public License * | ||
| * v. 2.0 which is available at https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 which is * | ||
| * available at https://www.apache.org/licenses/LICENSE-2.0. * | ||
| * * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 * | ||
| * * | ||
| * Contributors: * | ||
| * Mike Millson - initial API and implementation * | ||
| *********************************************************************************************************************/ | ||
| package org.github.krashpad.domain.jdk; | ||
|
|
||
| import org.github.krashpad.domain.HeaderEvent; | ||
| import org.github.krashpad.domain.LogEvent; | ||
| import org.github.krashpad.util.jdk.JdkRegEx; | ||
| import org.github.krashpad.util.jdk.JdkUtil.LogEventType; | ||
|
|
||
| /** | ||
| * <p> | ||
| * NMETHOD_FLUSHES_EVENT | ||
| * </p> | ||
| * | ||
| * <p> | ||
| * nmethod flushes information. Reported under generic <code>Event</code> prior to JDK21u4: | ||
| * <a href="https://bugs.openjdk.org/browse/JDK-8329605">JDK-8329605: hs errfile generic events - move memory | ||
| * protections and nmethod flushes to separate sections</a>. | ||
| * </p> | ||
| * | ||
| * <h2>Example Logging</h2> | ||
| * | ||
| * <pre> | ||
| * Nmethod flushes (20 events): | ||
| * Event: 39.992 Thread 0x00007f128cf57870 flushing nmethod 0x00007f1235b2ae90 | ||
| * </pre> | ||
| * | ||
| * @author <a href="mailto:mmillson@redhat.com">Mike Millson</a> | ||
| * | ||
| */ | ||
| public class NmethodFlushesEvent implements LogEvent, HeaderEvent { | ||
| /** | ||
| * Regular expression for the header. | ||
| */ | ||
| public static final String _REGEX_HEADER = "Nmethod flushes \\(\\d{1,} events\\):"; | ||
|
|
||
| /** | ||
| * Regular expression defining the logging. | ||
| */ | ||
| private static final String REGEX = "^(" + _REGEX_HEADER + "|Event: " + JdkRegEx.TIMESTAMP + " Thread " | ||
| + JdkRegEx.ADDRESS + " flushing .+|No events)$"; | ||
|
|
||
| /** | ||
| * Determine if the logLine matches the logging pattern(s) for this event. | ||
| * | ||
| * @param logLine | ||
| * The log line to test. | ||
| * @return true if the log line matches the event pattern, false otherwise. | ||
| */ | ||
| public static final boolean match(String logLine) { | ||
| return logLine.matches(REGEX); | ||
| } | ||
|
|
||
| /** | ||
| * The log entry for the event. | ||
| */ | ||
| private String logEntry; | ||
|
|
||
| /** | ||
| * Create event from log entry. | ||
| * | ||
| * @param logEntry | ||
| * The log entry for the event. | ||
| */ | ||
| public NmethodFlushesEvent(String logEntry) { | ||
| this.logEntry = logEntry; | ||
| } | ||
|
|
||
| @Override | ||
| public LogEventType getEventType() { | ||
| return LogEventType.NMETHOD_FLUSHES_EVENT; | ||
| } | ||
|
|
||
| public String getLogEntry() { | ||
| return logEntry; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isHeader() { | ||
| boolean isHeader = false; | ||
| if (this.logEntry != null) { | ||
| isHeader = logEntry.matches(_REGEX_HEADER); | ||
| } | ||
| return isHeader; | ||
| } | ||
| } |
82 changes: 82 additions & 0 deletions
82
src/main/java/org/github/krashpad/domain/jdk/Swappiness.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /********************************************************************************************************************** | ||
| * krashpad * | ||
| * * | ||
| * Copyright (c) 2020-2024 Mike Millson * | ||
| * * | ||
| * This program and the accompanying materials are made available under the terms of the Eclipse Public License * | ||
| * v. 2.0 which is available at https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 which is * | ||
| * available at https://www.apache.org/licenses/LICENSE-2.0. * | ||
| * * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 * | ||
| * * | ||
| * Contributors: * | ||
| * Mike Millson - initial API and implementation * | ||
| *********************************************************************************************************************/ | ||
| package org.github.krashpad.domain.jdk; | ||
|
|
||
| import org.github.krashpad.domain.LogEvent; | ||
| import org.github.krashpad.util.jdk.JdkUtil.LogEventType; | ||
|
|
||
| /** | ||
| * <p> | ||
| * SWAPPINESS | ||
| * </p> | ||
| * | ||
| * <p> | ||
| * swappiness information (a higher value means more swappy). Added in JDK17u12 and JDK21u4: | ||
| * <a href="https://bugs.openjdk.org/browse/JDK-8327059">JDK-8327059: os::Linux::print_proc_sys_info add swappiness | ||
| * information</a>. | ||
| * </p> | ||
| * | ||
| * <h2>Example Logging</h2> | ||
| * | ||
| * <pre> | ||
| * /proc/sys/vm/swappiness (control to define how aggressively the kernel swaps out anonymous memory): 10 | ||
| * </pre> | ||
| * | ||
| * @author <a href="mailto:mmillson@redhat.com">Mike Millson</a> | ||
| * | ||
| */ | ||
| public class Swappiness implements LogEvent { | ||
|
|
||
| /** | ||
| * Regular expression defining the logging. | ||
| */ | ||
| private static final String REGEX = "^/proc/sys/vm/swappiness \\(control to define how aggressively the kernel " | ||
| + "swaps out anonymous memory\\): \\d{1,3}$"; | ||
|
|
||
| /** | ||
| * Determine if the logLine matches the logging pattern(s) for this event. | ||
| * | ||
| * @param logLine | ||
| * The log line to test. | ||
| * @return true if the log line matches the event pattern, false otherwise. | ||
| */ | ||
| public static final boolean match(String logLine) { | ||
| return logLine.matches(REGEX); | ||
| } | ||
|
|
||
| /** | ||
| * The log entry for the event. | ||
| */ | ||
| private String logEntry; | ||
|
|
||
| /** | ||
| * Create event from log entry. | ||
| * | ||
| * @param logEntry | ||
| * The log entry for the event. | ||
| */ | ||
| public Swappiness(String logEntry) { | ||
| this.logEntry = logEntry; | ||
| } | ||
|
|
||
| @Override | ||
| public LogEventType getEventType() { | ||
| return LogEventType.SWAPPINESS; | ||
| } | ||
|
|
||
| public String getLogEntry() { | ||
| return logEntry; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.