gctoolkit

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Generational ZGC not supported

9

The ZGC log pattern seems to have changed since jdk21, do you have a plan to support it? Known changes for **CYCLE_START**: before: ``` [20.134s][info ][gc ] GC(1) Garbage Collection...

loyispa

NullPointerException when processing file without GC Events

6

**Describe the bug** A NullPointerException is thrown when processing a file that contains no GC events. The JVM does not return after this NPE occurs. (Have to kill the process...

Bluetopia

GCToolKit cannot parse `G1Young` event from JDK8's gc log.

3

**Describe the bug** I first used JDK 8 and set `-XX:+UseG1GC` option to run a program, and exported the GC log (I will provide the link to the log file...

BurryPotter

Generational parser does not seem to handle GC Cause included in young event.

4

**Describe the bug** When processing a line like: ```5.374: [GC (Allocation Failure) [PSYoungGen: 262144K->28340K(305664K)] 262144K->28364K(1005056K), 0.0146665 secs] [Times: user=0.08 sys=0.00, real=0.01 secs]``` GenerationalHeapParser.psYoungGen(GCLogTrace, String) is called and the offset (5)...

Bluetopia

GCToolKit support for simple logs

1

GCToolKit doesn't do well with logs that have no details. The attached CMS log should be parsable. [gc.out.3 (1).zip](https://github.com/microsoft/gctoolkit/files/14950784/gc.out.3.1.zip)

kcpeppe

AbstractJavaVirtualMachine.getCommandLine() is currently stubbed out, can't retrieve CLI parameters for Pre-Unified log.

2

**Describe the bug** The getCommandLine() method has been stubbed out with a TODO. See https://github.com/microsoft/gctoolkit/blob/1476fc128465991f2c531645c780d3ed7c865f2c/api/src/main/java/com/microsoft/gctoolkit/jvm/AbstractJavaVirtualMachine.java#L84 **Expected behavior** Expected this method, or child override in PreUnifiedJavaVirtualMachine to return the command line...

Bluetopia

**Describe the bug** The attached file seems to be generated by using the options -Xlog:gc (not -Xlog:gc*). Without the *, only the events tagged "gc" are written out. ``` [6.837s][info][gc]...

jlittle-ptc

Generational ZGC runs two garbage collectors concurrently (major and minor). The current implementation of ZGCParser assumes that at any given time, there can be at most one cycle happening. When...

akiselev98

- **Update dependencies but disable rat plugin as mvnw won't pick up correct config**

karianna

Active and Total workers count for Concurrent and Full G1 GCs

2

Log lines are being parsed ( WORKER_SUMMARY parsing rule) and saved on G1GCForwardReference. But there are no getters there for the corresponding (evacuationWorkersUsed and evacuationWorkersAvailable) variables.

AlinaHovakimyan