zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/util/header.h b/ap/os/linux/linux-3.4.x/tools/perf/util/header.h
new file mode 100644
index 0000000..21a6be0
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/util/header.h
@@ -0,0 +1,138 @@
+#ifndef __PERF_HEADER_H
+#define __PERF_HEADER_H
+
+#include "../../../include/linux/perf_event.h"
+#include <sys/types.h>
+#include <stdbool.h>
+#include "types.h"
+#include "event.h"
+
+#include <linux/bitmap.h>
+
+enum {
+ HEADER_RESERVED = 0, /* always cleared */
+ HEADER_FIRST_FEATURE = 1,
+ HEADER_TRACE_INFO = 1,
+ HEADER_BUILD_ID,
+
+ HEADER_HOSTNAME,
+ HEADER_OSRELEASE,
+ HEADER_VERSION,
+ HEADER_ARCH,
+ HEADER_NRCPUS,
+ HEADER_CPUDESC,
+ HEADER_CPUID,
+ HEADER_TOTAL_MEM,
+ HEADER_CMDLINE,
+ HEADER_EVENT_DESC,
+ HEADER_CPU_TOPOLOGY,
+ HEADER_NUMA_TOPOLOGY,
+ HEADER_BRANCH_STACK,
+ HEADER_LAST_FEATURE,
+ HEADER_FEAT_BITS = 256,
+};
+
+struct perf_file_section {
+ u64 offset;
+ u64 size;
+};
+
+struct perf_file_header {
+ u64 magic;
+ u64 size;
+ u64 attr_size;
+ struct perf_file_section attrs;
+ struct perf_file_section data;
+ struct perf_file_section event_types;
+ DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
+};
+
+struct perf_pipe_file_header {
+ u64 magic;
+ u64 size;
+};
+
+struct perf_header;
+
+int perf_file_header__read(struct perf_file_header *header,
+ struct perf_header *ph, int fd);
+
+struct perf_header {
+ int frozen;
+ bool needs_swap;
+ s64 attr_offset;
+ u64 data_offset;
+ u64 data_size;
+ u64 event_offset;
+ u64 event_size;
+ DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
+};
+
+struct perf_evlist;
+struct perf_session;
+
+int perf_session__read_header(struct perf_session *session, int fd);
+int perf_session__write_header(struct perf_session *session,
+ struct perf_evlist *evlist,
+ int fd, bool at_exit);
+int perf_header__write_pipe(int fd);
+
+int perf_header__push_event(u64 id, const char *name);
+char *perf_header__find_event(u64 id);
+
+void perf_header__set_feat(struct perf_header *header, int feat);
+void perf_header__clear_feat(struct perf_header *header, int feat);
+bool perf_header__has_feat(const struct perf_header *header, int feat);
+
+int perf_header__set_cmdline(int argc, const char **argv);
+
+int perf_header__process_sections(struct perf_header *header, int fd,
+ void *data,
+ int (*process)(struct perf_file_section *section,
+ struct perf_header *ph,
+ int feat, int fd, void *data));
+
+int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
+
+int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
+ const char *name, bool is_kallsyms);
+int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
+
+int perf_event__synthesize_attr(struct perf_tool *tool,
+ struct perf_event_attr *attr, u16 ids, u64 *id,
+ perf_event__handler_t process);
+int perf_event__synthesize_attrs(struct perf_tool *tool,
+ struct perf_session *session,
+ perf_event__handler_t process);
+int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist);
+
+int perf_event__synthesize_event_type(struct perf_tool *tool,
+ u64 event_id, char *name,
+ perf_event__handler_t process,
+ struct machine *machine);
+int perf_event__synthesize_event_types(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine);
+int perf_event__process_event_type(struct perf_tool *tool,
+ union perf_event *event);
+
+int perf_event__synthesize_tracing_data(struct perf_tool *tool,
+ int fd, struct perf_evlist *evlist,
+ perf_event__handler_t process);
+int perf_event__process_tracing_data(union perf_event *event,
+ struct perf_session *session);
+
+int perf_event__synthesize_build_id(struct perf_tool *tool,
+ struct dso *pos, u16 misc,
+ perf_event__handler_t process,
+ struct machine *machine);
+int perf_event__process_build_id(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_session *session);
+
+/*
+ * arch specific callback
+ */
+int get_cpuid(char *buffer, size_t sz);
+
+#endif /* __PERF_HEADER_H */