Archive for April, 2012

BTrace: DTrace for Java… ish

DTrace first peered into Java in early 2005 thanks to an early prototype by Jarod Jenson that led eventually to the inclusion of USDT probes in the HotSpot JVM. If you want to see where, say, the java.net.SocketOutputStream.write() method is called, you can simply run this DTrace script: hotspot$target:::method-entry /copyinstr(arg1, arg2) == “java/net/SocketOutputStream” && copyinstr(arg3, [...]





Posted on April 24, 2012 at 7:29 am by ahl · Permalink · 4 Comments
In: DTrace · Tagged with: , ,

dtrace.conf(12) wrap-up

For the second time in as many quadrennial dtrace.confs, I was impressed at how well the unconference format worked out. Sharing coffee with the DTrace community, it was great to see some of the oldest friends of DTrace — Jarod Jenson, Stephen O’Grady, Jonathan Adams to name a few — and to put faces to [...]





Posted on April 9, 2012 at 6:03 pm by ahl · Permalink · 5 Comments
In: DTrace · Tagged with: , , , , , , , ,