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| author | Kim Phillips <kim.phillips@arm.com> | 2018-03-09 04:10:30 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-16 17:53:46 +0100 |
| commit | 744e9a91cf898bf027dbe65cc61a5d7565335cba (patch) | |
| tree | 234692bdb93a9f480b656aab1d9a3c52f39d67fe /tools/perf/arch/arm64/tests | |
| parent | perf c2c report: Add cacheline address count column (diff) | |
| download | linux-744e9a91cf898bf027dbe65cc61a5d7565335cba.tar.xz linux-744e9a91cf898bf027dbe65cc61a5d7565335cba.zip | |
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/arch/arm64/tests')
| -rw-r--r-- | tools/perf/arch/arm64/tests/Build | 2 | ||||
| -rw-r--r-- | tools/perf/arch/arm64/tests/arch-tests.c | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/arch/arm64/tests/Build b/tools/perf/arch/arm64/tests/Build index b30eff9bcc83..883c57ff0c08 100644 --- a/tools/perf/arch/arm64/tests/Build +++ b/tools/perf/arch/arm64/tests/Build @@ -1,2 +1,4 @@ libperf-y += regs_load.o libperf-y += dwarf-unwind.o + +libperf-y += arch-tests.o diff --git a/tools/perf/arch/arm64/tests/arch-tests.c b/tools/perf/arch/arm64/tests/arch-tests.c new file mode 100644 index 000000000000..5b1543c98022 --- /dev/null +++ b/tools/perf/arch/arm64/tests/arch-tests.c @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <string.h> +#include "tests/tests.h" +#include "arch-tests.h" + +struct test arch_tests[] = { +#ifdef HAVE_DWARF_UNWIND_SUPPORT + { + .desc = "DWARF unwind", + .func = test__dwarf_unwind, + }, +#endif + { + .func = NULL, + }, +}; |