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perf tools: Add ARM64 perf_regs_load to support libunwind and enable testing

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Newest libunwind does support ARM64, and perf is able to utilize it
also.

This patch enables the perf test dwarf unwind for arm64.

 Test result:
  # ./perf test unwind
  25: Test dwarf unwind                                      : Ok

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Link: http://lkml.kernel.org/r/1427461681-72971-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Wang Nan
2015-03-27 13:08:01 +00:00
committed by Arnaldo Carvalho de Melo
parent b236512280
commit 3237f28188
8 changed files with 116 additions and 3 deletions
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2
tools/perf/tests/Build
View File

@@ -34,7 +34,7 @@ perf-y += kmod-path.o
perf-$(CONFIG_X86) += perf-time-to-tsc.o
ifeq ($(ARCH),$(filter $(ARCH),x86 arm))
ifeq ($(ARCH),$(filter $(ARCH),x86 arm arm64))
perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
endif

2
tools/perf/tests/builtin-test.c
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@@ -126,7 +126,7 @@ static struct test {
.desc = "Test parsing with no sample_id_all bit set",
.func = test__parse_no_sample_id_all,
},
#if defined(__x86_64__) || defined(__i386__) || defined(__arm__)
#if defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
{
.desc = "Test dwarf unwind",

2
tools/perf/tests/tests.h
View File

@@ -62,7 +62,7 @@ int test__fdarray__filter(void);
int test__fdarray__add(void);
int test__kmod_path__parse(void);
#if defined(__x86_64__) || defined(__i386__) || defined(__arm__)
#if defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
struct thread;
struct perf_sample;