perf unwind: Check for mmaps also in MAP__VARIABLE tree
authorJiri Olsa <jolsa@kernel.org>
Thu, 7 Jan 2016 09:14:01 +0000 (10:14 +0100)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 8 Jan 2016 17:16:34 +0000 (14:16 -0300)
commit0ddf5246f70ecc04e1bb4c4dc2be65977d1c03a7
tree1b11f0001dbcadbb977fc06eb6223d38536c7fe9
parentf22ed827a8d5ff5a85e7c8e865baaaaf71a8d0cc
perf unwind: Check for mmaps also in MAP__VARIABLE tree

We've seen cases (softice) where DWARF unwinder went through non
executable mmaps, which we need to lookup in MAP__VARIABLE tree.

Reported-and-Tested-by: Noel Grandin <noelgrandin@gmail.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1452158050-28061-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/unwind-libunwind.c