On 20.01.11 05:17:16, Ari Kauppi wrote:
> > @@ -91,6 +79,30 @@ static struct frame_tail* user_backtrace(struct frame_tail *tail)
> > return buftail[0].fp-1;
> > }
> >
> > +#else
> > +
> > +static int oprofile_arch_init(struct oprofile_operations *ops)
> > +{
> > + pr_info("oprofile: hardware counters not available\n");
> > + return -ENODEV;
> > +}
> > +
> > +static void oprofile_arch_exit(void) { }
>
> I guess you mean oprofile_perf_init and oprofile_perf_exit?
Yes, did not compile test it as my arm cross compile chain was broken.
Maybe we move it to include/linux/oprofile.h.
I also observed some mismatches while using CONFIG_HW_PERF_EVENTS and
CONFIG_PERF_EVENTS, esp. with include/linux/oprofile.h. /arch/sh is
also affected. We need to review this too.
>
> Also the user_backtrace and frame_tail need to be moved out from the
> #ifdef.
Yes, thanks.
-Robert
--
Advanced Micro Devices, Inc.
Operating System Research Center
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