diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2016-01-19 11:23:38 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-11-16 15:06:12 +0100 |
| commit | f704ef44602fbf403e6722c7ed13f62d17e8cb20 (patch) | |
| tree | 5addd8e06c1323a71b3e9caffa2d610d63a789ff /tools/perf/Makefile.config | |
| parent | c33eff600584ed493adfb42e3f130a6335f97750 (diff) | |
s390/perf: add support for perf_regs and libdw
With support for perf_regs and libdw, you can record and report
call graphs for user space programs. Simply invoke perf with
the --call-graph=dwarf command line option.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
[brueckner: added dwfl_thread_state_register_pc() call]
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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 63f534a0902f..ed65e82f034e 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -53,6 +53,10 @@ ifeq ($(SRCARCH),arm64) LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 endif +ifeq ($(ARCH),s390) + NO_PERF_REGS := 0 +endif + ifeq ($(NO_PERF_REGS),0) $(call detected,CONFIG_PERF_REGS) endif @@ -61,7 +65,7 @@ endif # Disable it on all other architectures in case libdw unwind # support is detected in system. Add supported architectures # to the check. -ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc)) +ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc s390)) NO_LIBDW_DWARF_UNWIND := 1 endif |