Messages in this thread Patch in this message | | | Date | Wed, 23 Apr 2014 06:13:36 -0700 | From | tip-bot for Jiri Olsa <> | Subject | [tip:perf/urgent] perf tools: Disable libdw unwind for all but x86 arch |
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Commit-ID: 4dc549e58b6ebf63554cd466d5ceb0e9c70ab859 Gitweb: http://git.kernel.org/tip/4dc549e58b6ebf63554cd466d5ceb0e9c70ab859 Author: Jiri Olsa <jolsa@redhat.com> AuthorDate: Sun, 20 Apr 2014 10:50:00 +0200 Committer: Jiri Olsa <jolsa@redhat.com> CommitDate: Wed, 23 Apr 2014 13:19:18 +0200
perf tools: Disable libdw unwind for all but x86 arch
So far there's only x86 libdw unwind support merged in perf. Disable it on all other architectures in case libdw unwind support is detected in system.
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Josh Boyer <jwboyer@fedoraproject.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1397988006-14158-1-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa <jolsa@redhat.com> --- tools/perf/config/Makefile | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index ee21fa9..a71fb39 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -34,6 +34,14 @@ ifeq ($(ARCH),arm) LIBUNWIND_LIBS = -lunwind -lunwind-arm endif +# So far there's only x86 libdw unwind support merged in perf. +# Disable it on all other architectures in case libdw unwind +# support is detected in system. Add supported architectures +# to the check. +ifneq ($(ARCH),x86) + NO_LIBDW_DWARF_UNWIND := 1 +endif + ifeq ($(LIBUNWIND_LIBS),) NO_LIBUNWIND := 1 else
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