diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Makefile | 10 | ||||
| -rw-r--r-- | tools/perf/util/util.c | 4 |
2 files changed, 7 insertions, 7 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 5216ade909d..f9126f89efe 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -45,6 +45,8 @@ include config/utilities.mak # # Define NO_LIBUNWIND if you do not want libunwind dependency for dwarf # backtrace post unwind. +# +# Define NO_BACKTRACE if you do not want stack backtrace debug feature $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) @@ -749,11 +751,9 @@ ifndef NO_STRLCPY endif endif -ifdef NO_BACKTRACE - BASIC_CFLAGS += -DNO_BACKTRACE -else - ifneq ($(call try-cc,$(SOURCE_BACKTRACE),),y) - BASIC_CFLAGS += -DNO_BACKTRACE +ifndef NO_BACKTRACE + ifeq ($(call try-cc,$(SOURCE_BACKTRACE),),y) + BASIC_CFLAGS += -DBACKTRACE_SUPPORT endif endif diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 2055cf38041..99664598bc1 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -1,7 +1,7 @@ #include "../perf.h" #include "util.h" #include <sys/mman.h> -#ifndef NO_BACKTRACE +#ifdef BACKTRACE_SUPPORT #include <execinfo.h> #endif #include <stdio.h> @@ -165,7 +165,7 @@ size_t hex_width(u64 v) } /* Obtain a backtrace and print it to stdout. */ -#ifndef NO_BACKTRACE +#ifdef BACKTRACE_SUPPORT void dump_stack(void) { void *array[16]; |