zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/util/session.h b/ap/os/linux/linux-3.4.x/tools/perf/util/session.h
new file mode 100644
index 0000000..7a5434c
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/util/session.h
@@ -0,0 +1,160 @@
+#ifndef __PERF_SESSION_H
+#define __PERF_SESSION_H
+
+#include "hist.h"
+#include "event.h"
+#include "header.h"
+#include "symbol.h"
+#include "thread.h"
+#include <linux/rbtree.h>
+#include "../../../include/linux/perf_event.h"
+
+struct sample_queue;
+struct ip_callchain;
+struct thread;
+
+struct ordered_samples {
+ u64 last_flush;
+ u64 next_flush;
+ u64 max_timestamp;
+ struct list_head samples;
+ struct list_head sample_cache;
+ struct list_head to_free;
+ struct sample_queue *sample_buffer;
+ struct sample_queue *last_sample;
+ int sample_buffer_idx;
+ unsigned int nr_samples;
+};
+
+struct perf_session {
+ struct perf_header header;
+ unsigned long size;
+ unsigned long mmap_window;
+ struct machine host_machine;
+ struct rb_root machines;
+ struct perf_evlist *evlist;
+ /*
+ * FIXME: Need to split this up further, we need global
+ * stats + per event stats. 'perf diff' also needs
+ * to properly support multiple events in a single
+ * perf.data file.
+ */
+ struct hists hists;
+ u64 sample_type;
+ int sample_size;
+ int fd;
+ bool fd_pipe;
+ bool repipe;
+ bool sample_id_all;
+ u16 id_hdr_size;
+ int cwdlen;
+ char *cwd;
+ struct ordered_samples ordered_samples;
+ char filename[1];
+};
+
+struct perf_tool;
+
+struct perf_session *perf_session__new(const char *filename, int mode,
+ bool force, bool repipe,
+ struct perf_tool *tool);
+void perf_session__delete(struct perf_session *self);
+
+void perf_event_header__bswap(struct perf_event_header *self);
+
+int __perf_session__process_events(struct perf_session *self,
+ u64 data_offset, u64 data_size, u64 size,
+ struct perf_tool *tool);
+int perf_session__process_events(struct perf_session *self,
+ struct perf_tool *tool);
+
+int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
+ struct thread *thread,
+ struct ip_callchain *chain,
+ struct symbol **parent);
+
+struct branch_info *machine__resolve_bstack(struct machine *self,
+ struct thread *thread,
+ struct branch_stack *bs);
+
+bool perf_session__has_traces(struct perf_session *self, const char *msg);
+
+void mem_bswap_64(void *src, int byte_size);
+void perf_event__attr_swap(struct perf_event_attr *attr);
+
+int perf_session__create_kernel_maps(struct perf_session *self);
+
+void perf_session__update_sample_type(struct perf_session *self);
+void perf_session__remove_thread(struct perf_session *self, struct thread *th);
+
+static inline
+struct machine *perf_session__find_host_machine(struct perf_session *self)
+{
+ return &self->host_machine;
+}
+
+static inline
+struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
+{
+ if (pid == HOST_KERNEL_ID)
+ return &self->host_machine;
+ return machines__find(&self->machines, pid);
+}
+
+static inline
+struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
+{
+ if (pid == HOST_KERNEL_ID)
+ return &self->host_machine;
+ return machines__findnew(&self->machines, pid);
+}
+
+static inline
+void perf_session__process_machines(struct perf_session *self,
+ struct perf_tool *tool,
+ machine__process_t process)
+{
+ process(&self->host_machine, tool);
+ return machines__process(&self->machines, process, tool);
+}
+
+struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
+size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
+
+size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
+
+size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
+ FILE *fp, bool with_hits);
+
+size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
+
+static inline int perf_session__parse_sample(struct perf_session *session,
+ const union perf_event *event,
+ struct perf_sample *sample)
+{
+ return perf_event__parse_sample(event, session->sample_type,
+ session->sample_size,
+ session->sample_id_all, sample,
+ session->header.needs_swap);
+}
+
+static inline int perf_session__synthesize_sample(struct perf_session *session,
+ union perf_event *event,
+ const struct perf_sample *sample)
+{
+ return perf_event__synthesize_sample(event, session->sample_type,
+ sample, session->header.needs_swap);
+}
+
+struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
+ unsigned int type);
+
+void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
+ struct machine *machine, struct perf_evsel *evsel,
+ int print_sym, int print_dso, int print_symoffset);
+
+int perf_session__cpu_bitmap(struct perf_session *session,
+ const char *cpu_list, unsigned long *cpu_bitmap);
+
+void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
+#endif /* __PERF_SESSION_H */