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0.22 - 2024 Jan 11

  • Feature: Added --json and --json-array to mx --get command to export MBean data as JSON
  • Feature: Made -f argument optional for mx --get in JSON mode (all attributes will be exported)
  • Fixed: Perfomance issue preventing HTML flame graphs for deep stack trace (previosuly lead to browser hang)

0.21 - 2023 Apr 19

  • Added --force-hostname option to overriden endpoint hostname on RMI stub with JMX connection hostname (useful for NAT and containers)
  • Added prfi command for importing sampling data from Linux perf
  • Add --csv and --json options to jps command

0.20 - 2021 Oct 5

  • Introduce jcmd command over JMX connection
  • Fix agent access to agent properties in post 8 Java

0.19 - 2021 Jul 18

  • Improvements for console output checker

0.18 - 2021 Jul 5

  • Separate module for test tools

0.17 - 2020 Oct 25

  • Clean up whitespaces in ssa --thread-info command
  • Add --numeric option for ssa --thread-info

0.16 - 2020 Jun 28

  • Added hs command
  • Ability to active HostpotInternal MBeans via JVM agent hs --enable-hotspot-mbean
  • Support multiple attributes in mx --get
  • Options to control header in mx --get CSV output mode

0.15 - 2020 Jan 8

  • Fixed NPE parsing some Java 11 JFR files
  • Fixed Netbeans/VisualVM nps files parsing

0.14 - 2019 Aug 11

  • Support for parsing JFR recordings Java 8 - 11
  • jfr2json command to convert JFR recordings to json
  • Support JFR allocation samples in ssa command
  • Support JFR exception event in ssa command

0.12 - 2019 Mar 15

  • Java 11 compatibility fixes
  • mxping command for connectivity diagnostics
  • vminfo support JVM flags listing

0.11 - 2018 Dec 12

  • Support JMX over TLS remote connections
  • mxprx command force correct RMI hostname usage
  • vminfo command added
  • Stack trace filter language improvements
  • Support Java 9/10 strings
  • Fixed parsing JFR files under JDK 9/10

0.10.1 - 2018 Jun 4

  • Java 9/10 compatibility fixes

0.10 - 2018 May 28

  • Added contention monitoring option to ttop command
  • jstack thread dump text format is now accepted by analytic commands
  • Added 'flame' command producing flame chart in HTML format

0.9.3 - 2018 Mar 31

  • Few minor changes in heap parser

0.9.2 - 2018 Feb 18

  • Frame histogram can be sorted by terminal count (default sort is by occurance count)
  • Export of tabular MBean attributes to CSV
  • Fixed NPE in thread dump collector

0.9.1 - 2018 Jan 9

  • Fixed few issues with hprof heap parser

0.9 - 2017 Dec 24

  • Fixed undesired splitting of JMX call arguments by comma
  • Fixed time range filtering for stcpy command
  • Added mprx command, open JMX port for target process

0.8.1 - 2017 Nov 12

  • Added SYS cpu time summary to ssa --thread-info command
  • Few improvements for dexp command

0.8 - 2017 Aug 6

  • Fixed transitive dependencies issues for JFR and NPS parsers
  • Fixed HeapPath bug for single asterisk path

0.7 - 2017 Jul 23

  • Parsing stack traces from NetBeans / VisualVM profiler snapshot format
  • Added command to export tags/counter from dump file to CSV or ASCII table

0.6 - 2017 Jun 4

  • Avoid unnecessary memory allocation to initialize hashCode on StackFrame object
  • Unified input processing between SSA and STCPY (SSA got wildcard support, STCPY time range filtering and trace trimming)
  • Parsing stack traces from Java Flight Recorder files

0.5.1 - 2017 Mar 19

  • Minor improvements to ThreadDumpSampler
  • Added memory MBean sampler

0.5 - 2017 Jan 29

  • Thread dump archive reader performance improvement
  • New generic event reader and writer API
  • Binary format V4 with support for non thread dump events
  • Added JMX GC event subscriber

0.4.4 - 2016 Dec 4

  • Compressed heap dump processing majot performance improvement
  • Added SingletonDetector utility class

0.4.3 - 2016 Aug 18

  • Added notation for null arguments for MBean operations
  • Added few formating options for mx command

0.4.2 - 2016 July 7

  • Option to override JMX URI (support for WildFly JMX over HTTP)
  • Fixed locale dependent decimal separator in flame graph generator

0.4.1 - 2016 March 27

  • Added --thread-info mode for SSA command
  • Added time range filter option for SSA command
  • Added thread name filter option for SSA command

0.4.0 - 2016 Jan 24

  • Added flame graph generation support (SVG format).
  • --trace-trim option for SSA commands, command used to remove unintersting top of call tree from analysis.

0.3.9 - 2016 Jan 14

  • Added stack trace filter expression language.
  • CLI related stuff is moved into separate module for reuse.
  • Fixed potential devision by zero in safe point rate calculation.
  • Support of basic primitive wrappers in mx command.
  • Optional CSV output for stack trace histogram and categorization.
  • Added compressed (gzip) heap dump support.
  • Ignore incomplete instances in heap dump.

0.3.8 - 2015 Sep 10

  • Added safe point information for ttop command.
  • Fixed NPE in heap cluster analyzer.

0.3.7 - 2015 July 17

  • Added --dead-young options to hh command.
  • org.gridkit.jvmtool.stacktrace.StackTraceCodec.ChainedStackTraceReader made public.
  • Suppress IO exception for parsing stack dump files.