Check out my first novel, midnight's simulacra!
Performance Counters: Difference between revisions
From dankwiki
No edit summary |
(No difference)
|
Revision as of 16:05, 28 September 2008
- Normally driven through MSRs
- RDPMC instruction: http://www.x86.org/secrets/opcodes/rdpmc.htm
- FreeBSD includes libpmc as part of the base system
- On Linux, we have libpfm
- This is the preferred way we get at TSC (TSC has fallen out of favor, though)