Messages in this thread | | | Date | Fri, 13 Aug 2004 13:35:46 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] voluntary-preempt-2.6.8-rc4-O7 |
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* Florian Schmidt <mista.tapas@gmx.net> wrote:
> > in -O7 i've added a runtime flag to disable/enable tracing without > > having to recompile the kernel: > > > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc4-O7 > > I have one question: Are kernel frame pointers required for the > latency traces? I had frame pointers on in my kernel config but wonder > if they are nessecary or if i can save the cycles and kb [i'm not too > big on kernel internals, so forgive the possibly stupid question]?..
-pg requires frame pointers, yes. The Kconfig change i did forces framepointers on so it's automatic. (gcc bails out with an error on -pg -fomit-frame-pointer)
> The other thing i wanted to say is: way to go man!! These patches rock > my linux audio world. A big thank you from me and [probably] the whole > linux audio community for the work you put into this!
you are welcome!
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