Author:
Mark Dalrymple
I lied. Sorry. I thought this dive into DTrace would be a three-parter, but here’s a part 4, on static probes, suggested in a comment by Chris last month.
You can go a long way with the built in DTrace providers, like the syscall, pid, and 4 providers.…
Author:
Mark Dalrymple
As you’ve seen before, DTrace can give you a huge amount of visibility into the guts of your computer. You saw the syscall provider which lets you attach probes to system calls, those functions that let you take advantage of services from the kernel.…
Author:
Mark Dalrymple
The other day I was chatting with one of my colleagues at the Ranch and he asked me where I get my blog ideas. One fertile idea-ground is what sometimes happens during day-to-day work, solving a potentially hard problem in a way that’s actually pretty easy.…
Author:
Mark Dalrymple
My day-to-day work is building Mac and iOS software. That means I spend a fair amount of time inside of the Usual Tools for that. Xcode. Interface Builder. Instruments. gdb and lldb. There’s another tool out there that many programmers don’t think to reach for, and that’s DTrace.…