Em Wed, Feb 18, 2015 at 07:03:18PM -0500, David Ahern escreveu: > perf-top is terminating due to SIGBUS on sparc64. git bisect points to: > > commit 82396986032915c1572bfb74b224fcc2e4e8ba7c > Author: Arnaldo Carvalho de Melo <a...@redhat.com> > Date: Mon Sep 8 13:26:35 2014 -0300 > > perf evlist: Refcount mmaps > > We need to know how many fds are using a perf mmap via > PERF_EVENT_IOC_SET_OUTPUT, so that we can know when to ditch an mmap, > refcount it. > > This commit added 'int refcnt' to struct perf_mmap and the addition makes the > event_copy element no longer 8-byte aligned. Fix by adding a pad.
I am applying this, but please consider doing like the kernel and using one of those __aligned_on_foo struct member attributes. I am adding a comment right after that pad... - Arnaldo > Signed-off-by: David Ahern <david.ah...@oracle.com> > --- > tools/perf/util/evlist.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h > index c94a9e03ecf1..7a5a77b2b907 100644 > --- a/tools/perf/util/evlist.h > +++ b/tools/perf/util/evlist.h > @@ -28,6 +28,7 @@ struct perf_mmap { > int mask; > int refcnt; > unsigned int prev; > + int pad; > char event_copy[PERF_SAMPLE_MAX_SIZE]; > }; > > -- > 1.9.3 -- 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/