On Fri, Oct 19, 2012 at 05:47:11PM +0200, Stephane Eranian wrote: > On Fri, Oct 19, 2012 at 5:23 PM, Jiri Olsa <jo...@redhat.com> wrote: > > On Fri, Oct 19, 2012 at 05:17:57PM +0200, Stephane Eranian wrote: > >> On Fri, Oct 19, 2012 at 5:13 PM, Peter Zijlstra <pet...@infradead.org> > >> wrote: > >> > On Fri, 2012-10-19 at 16:52 +0200, Stephane Eranian wrote: > >> >> -modifier_event [ukhpGH]{1,8} > >> >> +modifier_event [ukhpGHx]{1,8} > >> > > >> > wouldn't the max modifier sting length grow by adding another possible > >> > modifier? > >> > >> That's what I thought too, but then I don't understand why it was at > >> eight before and not > >> seven: One instance of each letter, + a second for pp (precise=2). Or > >> am I missing > >> something here? > > > > hm, I think I assumed for some reason that 'ppp' is valid as well > > > If that's the case, then yes, I need to bump that number to 9.
found my source ;) include/linux/perf_event.h: ... /* * precise_ip: * * 0 - SAMPLE_IP can have arbitrary skid * 1 - SAMPLE_IP must have constant skid * 2 - SAMPLE_IP requested to have 0 skid * 3 - SAMPLE_IP must have 0 skid * * See also PERF_RECORD_MISC_EXACT_IP */ precise_ip : 2, /* skid constraint */ ... jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/