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      1 #ifndef __PERF_SESSION_H
      2 #define __PERF_SESSION_H
      3 
      4 #include "hist.h"
      5 #include "event.h"
      6 #include "header.h"
      7 #include "machine.h"
      8 #include "symbol.h"
      9 #include "thread.h"
     10 #include <linux/rbtree.h>
     11 #include <linux/perf_event.h>
     12 
     13 struct sample_queue;
     14 struct ip_callchain;
     15 struct thread;
     16 
     17 struct ordered_samples {
     18 	u64			last_flush;
     19 	u64			next_flush;
     20 	u64			max_timestamp;
     21 	struct list_head	samples;
     22 	struct list_head	sample_cache;
     23 	struct list_head	to_free;
     24 	struct sample_queue	*sample_buffer;
     25 	struct sample_queue	*last_sample;
     26 	int			sample_buffer_idx;
     27 	unsigned int		nr_samples;
     28 };
     29 
     30 struct perf_session {
     31 	struct perf_header	header;
     32 	unsigned long		size;
     33 	struct machines		machines;
     34 	struct perf_evlist	*evlist;
     35 	struct pevent		*pevent;
     36 	struct events_stats	stats;
     37 	int			fd;
     38 	bool			fd_pipe;
     39 	bool			repipe;
     40 	struct ordered_samples	ordered_samples;
     41 	char			filename[1];
     42 };
     43 
     44 #define PRINT_IP_OPT_IP		(1<<0)
     45 #define PRINT_IP_OPT_SYM		(1<<1)
     46 #define PRINT_IP_OPT_DSO		(1<<2)
     47 #define PRINT_IP_OPT_SYMOFFSET	(1<<3)
     48 #define PRINT_IP_OPT_ONELINE	(1<<4)
     49 
     50 struct perf_tool;
     51 
     52 struct perf_session *perf_session__new(const char *filename, int mode,
     53 				       bool force, bool repipe,
     54 				       struct perf_tool *tool);
     55 void perf_session__delete(struct perf_session *session);
     56 
     57 void perf_event_header__bswap(struct perf_event_header *self);
     58 
     59 int __perf_session__process_events(struct perf_session *self,
     60 				   u64 data_offset, u64 data_size, u64 size,
     61 				   struct perf_tool *tool);
     62 int perf_session__process_events(struct perf_session *self,
     63 				 struct perf_tool *tool);
     64 
     65 int perf_session_queue_event(struct perf_session *s, union perf_event *event,
     66 			     struct perf_sample *sample, u64 file_offset);
     67 
     68 void perf_tool__fill_defaults(struct perf_tool *tool);
     69 
     70 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
     71 				    struct thread *thread,
     72 				    struct ip_callchain *chain,
     73 				    struct symbol **parent);
     74 
     75 bool perf_session__has_traces(struct perf_session *self, const char *msg);
     76 
     77 void mem_bswap_64(void *src, int byte_size);
     78 void mem_bswap_32(void *src, int byte_size);
     79 void perf_event__attr_swap(struct perf_event_attr *attr);
     80 
     81 int perf_session__create_kernel_maps(struct perf_session *self);
     82 
     83 void perf_session__set_id_hdr_size(struct perf_session *session);
     84 
     85 static inline
     86 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
     87 {
     88 	return machines__find(&self->machines, pid);
     89 }
     90 
     91 static inline
     92 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
     93 {
     94 	return machines__findnew(&self->machines, pid);
     95 }
     96 
     97 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
     98 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
     99 
    100 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
    101 
    102 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
    103 					  bool (fn)(struct dso *dso, int parm), int parm);
    104 
    105 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
    106 
    107 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
    108 					    unsigned int type);
    109 
    110 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
    111 			  struct perf_sample *sample, struct machine *machine,
    112 			  unsigned int print_opts, unsigned int stack_depth);
    113 
    114 int perf_session__cpu_bitmap(struct perf_session *session,
    115 			     const char *cpu_list, unsigned long *cpu_bitmap);
    116 
    117 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
    118 
    119 struct perf_evsel_str_handler;
    120 
    121 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
    122 					     const struct perf_evsel_str_handler *assocs,
    123 					     size_t nr_assocs);
    124 
    125 #define perf_session__set_tracepoints_handlers(session, array) \
    126 	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
    127 
    128 extern volatile int session_done;
    129 
    130 #define session_done()	(*(volatile int *)(&session_done))
    131 #endif /* __PERF_SESSION_H */
    132