tools include: Define likely/unlikely in linux/compiler.h

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1389276059-8829-3-git-send-email-namhyung@kernel.org
[ Added the new header to tools/perf/MANIFEST ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index 0135ccf..fbc6665 100644 (file)
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -27,4 +27,12 @@
 # define __weak                        __attribute__((weak))
 #endif
 
+#ifndef likely
+# define likely(x)             __builtin_expect(!!(x), 1)
+#endif
+
+#ifndef unlikely
+# define unlikely(x)           __builtin_expect(!!(x), 0)
+#endif
+
 #endif /* _TOOLS_LINUX_COMPILER_H */

diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 3170a7f..285f28f 100644 (file)
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -4,6 +4,7 @@ tools/lib/traceevent
 tools/lib/lk
 tools/lib/symbol/kallsyms.c
 tools/lib/symbol/kallsyms.h
+tools/include/linux/compiler.h
 include/linux/const.h
 include/linux/perf_event.h
 include/linux/rbtree.h