Russ Cox personal blog
Hacking the OS X Kernel for Fun and Profiles
My last post described how user-level CPU profilers work, and specifically how Google’s pprof profiler gathers its CPU profiles with the help of the operating system. The specific feature needed from the operating system is the profiling timer provided by setitimer (2) and the SIGPROF signals that it delivers.
- Points
- 174
- HN comments
- 35
- Submissions
- 1
- Cited by
- 0 commenters
Systems & PerformanceSecurity & Privacy2013
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Aug 13, 2013 | Hacking the OS X Kernel for Fun and Profiles by f2f | 174 | 35 |
