Messages in this thread | | | Date | Fri, 7 Mar 1997 12:47:36 +0100 (MET) | From | Stephan Meyer <> | Subject | Re: MSR support for x86 |
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On 5 Mar 1997, Matthias Urlichs wrote: > In linux.dev.kernel, article <Pine.LNX.3.95.970303221036.323A-100000@wiesel.de>, > Stephan Meyer <sensei@wiesel.de> writes: > > > > For the processor instructions, a full 32-bit are used to identify the > > needed register. What if Intel places a new MSR right at the position of > > the "special field" > > > So use an IOCTL, or yet another /proc file, to set the CPU you want to talk > to.
I obviously don't have SMP and I don't know how to "set the CPU". Could someone of the SMP experts please provide me with a routine to set the CPU prior to read/write?
BTW, I will soon release an X application that charts to graphs of arbitrary events from the special pentium counters.
Cheers, Stephan
> -- > I don't like spreading rumors, but what else can you do with them? > -- > Matthias Urlichs \ noris network GmbH / Xlink-POP Nürnberg > Schleiermacherstraße 12 \ Linux+Internet / EMail: urlichs@noris.de > 90491 Nürnberg (Germany) \ Consulting+Programming+Networking+etc'ing > PGP: 1024/4F578875 1B 89 E2 1C 43 EA 80 44 15 D2 29 CF C6 C7 E0 DE > Click <A HREF="http://info.noris.de/~smurf/finger">here</A>. 42 > >
----------------------------------------------- Stephan Meyer +49-89-4301114 Stephan.Meyer@munich.netsurf.de http://fatman.mathematik.tu-muenchen.de/~meyer/ -----------------------------------------------
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