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| author | Kim Phillips <kim.phillips@arm.com> | 2018-03-09 06:10:30 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-16 19:53:46 +0300 |
| commit | 744e9a91cf898bf027dbe65cc61a5d7565335cba (patch) | |
| tree | 234692bdb93a9f480b656aab1d9a3c52f39d67fe /tools/perf/Makefile.config | |
| parent | 03d9fcb701340de3446b4ff4ddb9f5407d1412f5 (diff) | |
| download | linux-744e9a91cf898bf027dbe65cc61a5d7565335cba.tar.xz | |
perf tools arm64: Add libdw DWARF post unwind support for ARM64
Based on prior work:
https://lkml.org/lkml/2014/5/6/395
and on how other arches add libdw unwind support. Includes support for
running the unwind test, e.g., on a system with only elfutils' libdw
0.170, the test now runs, and successfully:
$ ./perf test unwind
56: Test dwarf unwind : Ok
Originally-by: Jean Pihet <jean.pihet@linaro.org>
Reported-by: Christian Hansen <chansen3@cisco.com>
Signed-off-by: Kim Phillips <kim.phillips@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180308211030.4ee4a0d6ff6dc5cda1b567d4@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Makefile.config')
| -rw-r--r-- | tools/perf/Makefile.config | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 89cb2a36b8ff..98ff73648b51 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -75,7 +75,7 @@ endif # Disable it on all other architectures in case libdw unwind # support is detected in system. Add supported architectures # to the check. -ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc s390)) +ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390)) NO_LIBDW_DWARF_UNWIND := 1 endif |