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| author |   Mao Han <han_mao@c-sky.com> | 2019-04-15 17:17:30 +0800 |
|---|---|---|
| committer |   Guo Ren <ren_guo@c-sky.com> | 2019-05-09 20:36:42 +0800 |
| commit | 3213486f2e442831e324cc6201a2f9e924ecc235 (patch) | |
| tree | c026f692a0cb5775a8a5a88969705e399e141bec /tools/perf/Makefile.config | |
| parent | Linux 5.1-rc6 (diff) | |
| download | linux-dev-3213486f2e442831e324cc6201a2f9e924ecc235.tar.xz linux-dev-3213486f2e442831e324cc6201a2f9e924ecc235.zip | |
csky: Add support for perf unwind-libdw
This patch add support for DWARF register mappings and libdw registers
initialization, which is used by perf callchain analyzing, eg:
perf record --call-graph=dwarf <COMMAND>
Here is elfutils csky backend patch set:
https://sourceware.org/ml/elfutils-devel/2019-q2/msg00007.html
Signed-off-by: Mao Han <han_mao@c-sky.com>
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Arnd Bergmann <arnd@arnd.de>
Diffstat (limited to 'tools/perf/Makefile.config')
| -rw-r--r-- | tools/perf/Makefile.config | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index fe3f97e342fa..42985ae2e24a 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -59,6 +59,10 @@ ifeq ($(SRCARCH),arm64) LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 endif +ifeq ($(SRCARCH),csky) + NO_PERF_REGS := 0 +endif + ifeq ($(ARCH),s390) NO_PERF_REGS := 0 NO_SYSCALL_TABLE := 0 @@ -77,7 +81,7 @@ endif # Disable it on all other architectures in case libdw unwind # support is detected in system. Add supported architectures # to the check. -ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390)) +ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky)) NO_LIBDW_DWARF_UNWIND := 1 endif |