Pavel Machek wrote:
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>>Having the last branch before a crash would be cool. Its easy to
>>add note
>
>
> How do you get that info in the first place? I do not think CPU stores
> info about last branch it did...
Haven't seen a reply so far so here it goes.
Look at Intel's System Programming manual for P4. One of the MSRs
stores this information. 0x1d7 on P4/P4 Xeon.
- --
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Ulrich Drepper \ ,-----------------' \ Mountain View, CA 94041 USA
Red Hat `--' drepper at redhat.com `---------------------------
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This archive was generated by hypermail 2b29 : Thu Nov 07 2002 - 22:00:28 EST