zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/util/tool.h b/ap/os/linux/linux-3.4.x/tools/perf/util/tool.h
new file mode 100644
index 0000000..b0e1aad
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/util/tool.h
@@ -0,0 +1,50 @@
+#ifndef __PERF_TOOL_H
+#define __PERF_TOOL_H
+
+#include <stdbool.h>
+
+struct perf_session;
+union perf_event;
+struct perf_evlist;
+struct perf_evsel;
+struct perf_sample;
+struct perf_tool;
+struct machine;
+
+typedef int (*event_sample)(struct perf_tool *tool, union perf_event *event,
+			    struct perf_sample *sample,
+			    struct perf_evsel *evsel, struct machine *machine);
+
+typedef int (*event_op)(struct perf_tool *tool, union perf_event *event,
+			struct perf_sample *sample, struct machine *machine);
+
+typedef int (*event_attr_op)(union perf_event *event,
+			     struct perf_evlist **pevlist);
+typedef int (*event_simple_op)(struct perf_tool *tool, union perf_event *event);
+
+typedef int (*event_synth_op)(union perf_event *event,
+			      struct perf_session *session);
+
+typedef int (*event_op2)(struct perf_tool *tool, union perf_event *event,
+			 struct perf_session *session);
+
+struct perf_tool {
+	event_sample	sample,
+			read;
+	event_op	mmap,
+			comm,
+			fork,
+			exit,
+			lost,
+			throttle,
+			unthrottle;
+	event_attr_op	attr;
+	event_synth_op	tracing_data;
+	event_simple_op	event_type;
+	event_op2	finished_round,
+			build_id;
+	bool		ordered_samples;
+	bool		ordering_requires_timestamps;
+};
+
+#endif /* __PERF_TOOL_H */