HotSpot JVM's performance data analyzer written in Golang.
Parser library for HotSpot JVM's performance data. And there is some useful commands built on it.
jstat/jps is slow. And these commands aren't programmable.
go get github.com/tokuhirom/go-hsperfdata/hsps/
go get github.com/tokuhirom/go-hsperfdata/hsstat/
go get github.com/tokuhirom/go-hsperfdata/hssampler/
go get github.com/tokuhirom/go-hsperfdata/hsjcmd/
$ hsps
13223
21916 org.jetbrains.jps.cmdline.Launcher
$ hsstat 21916
sun.rt._sync_Inflations=13
sun.rt._sync_Deflations=11
sun.rt._sync_ContendedLockAttempts=65
...
sun.classloader.findClassTime=937707942
sun.urlClassLoader.readClassBytesTime=164844351
sun.zip.zipFiles=135
sun.zip.zipFile.openTime=23649506
$ time hsps
13223
21916 org.jetbrains.jps.cmdline.Launcher
hsps 0.00s user 0.00s system 83% cpu 0.010 total
$ time jps
13223
21916 Launcher
93597 Jps
jps 0.41s user 0.09s system 104% cpu 0.479 total
The MIT License (MIT)
Copyright © 2015 Tokuhiro Matsuno, http://64p.org/ <[email protected]>
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