On 10 September 2013 21:14, David Ahern <dsah...@gmail.com> wrote: > On 9/9/13 3:00 AM, Jean Pihet wrote: >> >> diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile >> index 7014373..54532b8 100644 >> --- a/tools/perf/config/Makefile >> +++ b/tools/perf/config/Makefile >> @@ -222,7 +222,7 @@ endif >> >> FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) >> $(LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS) >> ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y) >> - msg := $(warning No libunwind found, disabling post unwind support. >> Please install libunwind-dev[el] >= 0.99); >> + msg := $(warning No libunwind found, disabling post unwind support. >> Please install libunwind-dev[el] >= 1.1); >> NO_LIBUNWIND := 1 >> endif # Libunwind support >> endif # NO_LIBUNWIND > > > Is the 1.1 version required for x86 too? Yes if the dwarf unwinding feature is used. I know it is not in use on x86 as of now but could be in the future since the dwarf info brings more details in the trace, cf. http://lwn.net/Articles/499116/.
> > David Jean -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/