Messages in this thread | | | Date | Wed, 5 Feb 2003 22:39:19 +0100 | From | Pavel Machek <> | Subject | Re: Switch APIC to driver model (and make S3 sleep with APIC on) |
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Hi!
> > Unfortunately my systems seems to miss bfd.h, required by libutil++. > > The debian package is apparently called binutils-dev
Thanx. oprofile now seems to work for me.
> > > I haven't seen where you added these checks. They did not exist before: > > > oprofile took responsibility for the NMI/perfctr handling off the NMI > > > watchdog entirely, then handed it back when oprofile finished. > > > > Ouch, I did not see that code. It seems not to be in nmi_int.c; where > > is that? > > oprofile saves the perfctr config when it starts in nmi_int.c, then > calls the set_nmi_pm_callback. Then the suspend/resume calls oprofile's, > and we assume we have unique access to controlling the generated NMIs > (ie it becomes oprofile's job to ensure no NMIs are generated by the > perfctrs whilst suspended).
I can see set_nmi_pm_callback() in nmi_setup(), but can not see where nmi.c's pm_callback is restored in nmi_shutdown(). Perhaps that's a bug?
> It's pretty ugly, so a correct cleanup would be appreciated. > > I suppose this is quite an unusual case for the PM model ?
Yes, it is pretty unusual. Pavel -- Worst form of spam? Adding advertisment signatures ala sourceforge.net. What goes next? Inserting advertisment *into* email? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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