On Thu, 25 Oct 2007 22:03:21 -0700 "Russ Dill" <[EMAIL PROTECTED]> wrote:
> > > Format: [schedule,]<number> > > > Param: "schedule" - profile schedule points. > > > Param: <number> - step/bucket size as a power of 2 > > > for > > > - statistical time based profiling. > > > + statistical time based profiling. A value of > > > + 2 will provide a granularity of 4 bytes, a > > > + value of 3 will provide a granularity of 8 > > > + bytes and so on. > > > Param: "sleep" - profile D-state sleeping > > > (millisecs) > > > > Actually the prof_shift isn't in units of bytes: it is in units of > > sizeof(unsigned long). > > > I thought we just went through this? Just. I seem to recall discussing this with someone a number of weeks ago. Sorry, but my memory gets flushed a lot more frequently than that. > extern char _text[], _stext[], _etext[]; > [...] > prof_len = (_etext - _stext) >> prof_shift; > prof_buffer = alloc_bootmem(prof_len*sizeof(atomic_t)); > ok, you're right. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
