Archive for October, 2004

DTrace time

The other day I spent some time with a customer tuning their app using DTrace. I hadn’t done much work on apps outside of Sun, so I was excited to see what I could do with DTrace other people’s code. I’m certainly not the first person to use DTrace on a real-world app (I’m probably [...]





Posted on October 29, 2004 at 7:00 pm by ahl · Permalink · 4 Comments
In: DTrace

breaking with tradition

In this weblog, I’ve tried to stick to the facts, talk about the things I know about DTrace, Solaris and the industry, and not stray into the excrutiating minutia of the rest of my life. But: The Red Sox Are Going To The World Series!! Post World Series Update: It has been an amazing and [...]





Posted on October 20, 2004 at 11:00 pm by ahl · Permalink · 4 Comments
In: Other

DTrace case study and contest

Jay Danielson has posted a great case study of using DTrace to solve a problem porting a linux driver to Solaris. It’s not an incredibly complicated example, but I find this kind of tracking a problem from symptoms to root cause to be very helpful at understanding how to use DTrace. Speaking of using DTrace [...]





Posted on October 18, 2004 at 10:00 am by ahl · Permalink · Comments Closed
In: DTrace

more on gcore

Trawling through b.s.c I noticed Fintan Ryan talking about gcore(1), and I realized that I hadn’t sufficently promoted this cool utility. As part of my work adding variable core file content, I rewote gcore from scratch (it used to be a real pile) to add a few new features and to make it use libproc [...]





Posted on October 13, 2004 at 10:00 pm by ahl · Permalink · 6 Comments
In: OpenSolaris

back from the DTrace road show

A number of factors have conspired to keep me away from blogging, not the least of which being that I’ve been on a coast-to-coast DTrace road show. Now that I’m back, I’ve got some news to report from the road. Step right up! At times it felt a bit like a medicine road show: “Step [...]





Posted on October 5, 2004 at 10:00 pm by ahl · Permalink · One Comment
In: DTrace