Em Mon, Jan 26, 2015 at 03:31:48PM +0100, Jiri Olsa escreveu: > On Mon, Jan 26, 2015 at 09:26:21AM -0500, Steven Rostedt wrote: > > On Mon, 26 Jan 2015 10:02:55 +0100 > > Jiri Olsa <jo...@redhat.com> wrote: > > > > > > Note, WTF is perf checking the magic number for debugfs?? If events > > > > move, even if its at the same path, this will break perf! > > > > > > good question.. it's there since 2009: > > > f6bdafef2ab9 perf_counter: Add tracepoint support to perf list, perf > > > stat > > > > > > I guess we didn't want anyone to trick us with fake tracepoints ;-) > > > > But that would be a feature not a bug. I could imagine admins doing > > this for some work around. > > > > But can we nuke that check? I don't think it's very useful. > > I'd be ok with that
Yeah, that check is a nuisance, should be removed as it takes away flexibility... - Arnaldo -- 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/