[linux-2.6-block.git] / tools / perf / util / event.h

#ifndef __PERF_RECORD_H
#define __PERF_RECORD_H

#include <limits.h>
#include <stdio.h>

#include "../perf.h"
#include "map.h"
#include "build-id.h"
#include "perf_regs.h"

struct mmap_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 start;
	u64 len;
	u64 pgoff;
	char filename[PATH_MAX];
};

struct mmap2_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 start;
	u64 len;
	u64 pgoff;
	u32 maj;
	u32 min;
	u64 ino;
	u64 ino_generation;
	u32 prot;
	u32 flags;
	char filename[PATH_MAX];
};

struct comm_event {
	struct perf_event_header header;
	u32 pid, tid;
	char comm[16];
};

struct fork_event {
	struct perf_event_header header;
	u32 pid, ppid;
	u32 tid, ptid;
	u64 time;
};

struct lost_event {
	struct perf_event_header header;
	u64 id;
	u64 lost;
};

struct lost_samples_event {
	struct perf_event_header header;
	u64 lost;
};

/*
 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
 */
struct read_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 value;
	u64 time_enabled;
	u64 time_running;
	u64 id;
};

struct throttle_event {
	struct perf_event_header header;
	u64 time;
	u64 id;
	u64 stream_id;
};

#define PERF_SAMPLE_MASK				\
	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\
	 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |		\
	PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |	\
	 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD |		\
	 PERF_SAMPLE_IDENTIFIER)

/* perf sample has 16 bits size limit */
#define PERF_SAMPLE_MAX_SIZE (1 << 16)

struct sample_event {
	struct perf_event_header        header;
	u64 array[];
};

struct regs_dump {
	u64 abi;
	u64 mask;
	u64 *regs;

	/* Cached values/mask filled by first register access. */
	u64 cache_regs[PERF_REGS_MAX];
	u64 cache_mask;
};

struct stack_dump {
	u16 offset;
	u64 size;
	char *data;
};

struct sample_read_value {
	u64 value;
	u64 id;
};

struct sample_read {
	u64 time_enabled;
	u64 time_running;
	union {
		struct {
			u64 nr;
			struct sample_read_value *values;
		} group;
		struct sample_read_value one;
	};
};

struct ip_callchain {
	u64 nr;
	u64 ips[0];
};

struct branch_flags {
	u64 mispred:1;
	u64 predicted:1;
	u64 in_tx:1;
	u64 abort:1;
	u64 cycles:16;
	u64 reserved:44;
};

struct branch_entry {
	u64			from;
	u64			to;
	struct branch_flags	flags;
};

struct branch_stack {
	u64			nr;
	struct branch_entry	entries[0];
};

enum {
	PERF_IP_FLAG_BRANCH		= 1ULL << 0,
	PERF_IP_FLAG_CALL		= 1ULL << 1,
	PERF_IP_FLAG_RETURN		= 1ULL << 2,
	PERF_IP_FLAG_CONDITIONAL	= 1ULL << 3,
	PERF_IP_FLAG_SYSCALLRET		= 1ULL << 4,
	PERF_IP_FLAG_ASYNC		= 1ULL << 5,
	PERF_IP_FLAG_INTERRUPT		= 1ULL << 6,
	PERF_IP_FLAG_TX_ABORT		= 1ULL << 7,
	PERF_IP_FLAG_TRACE_BEGIN	= 1ULL << 8,
	PERF_IP_FLAG_TRACE_END		= 1ULL << 9,
	PERF_IP_FLAG_IN_TX		= 1ULL << 10,
};

#define PERF_IP_FLAG_CHARS "bcrosyiABEx"

#define PERF_BRANCH_MASK		(\
	PERF_IP_FLAG_BRANCH		|\
	PERF_IP_FLAG_CALL		|\
	PERF_IP_FLAG_RETURN		|\
	PERF_IP_FLAG_CONDITIONAL	|\
	PERF_IP_FLAG_SYSCALLRET		|\
	PERF_IP_FLAG_ASYNC		|\
	PERF_IP_FLAG_INTERRUPT		|\
	PERF_IP_FLAG_TX_ABORT		|\
	PERF_IP_FLAG_TRACE_BEGIN	|\
	PERF_IP_FLAG_TRACE_END)

struct perf_sample {
	u64 ip;
	u32 pid, tid;
	u64 time;
	u64 addr;
	u64 id;
	u64 stream_id;
	u64 period;
	u64 weight;
	u64 transaction;
	u32 cpu;
	u32 raw_size;
	u64 data_src;
	u32 flags;
	u16 insn_len;
	void *raw_data;
	struct ip_callchain *callchain;
	struct branch_stack *branch_stack;
	struct regs_dump  user_regs;
	struct regs_dump  intr_regs;
	struct stack_dump user_stack;
	struct sample_read read;
};

#define PERF_MEM_DATA_SRC_NONE \
	(PERF_MEM_S(OP, NA) |\
	 PERF_MEM_S(LVL, NA) |\
	 PERF_MEM_S(SNOOP, NA) |\
	 PERF_MEM_S(LOCK, NA) |\
	 PERF_MEM_S(TLB, NA))

struct build_id_event {
	struct perf_event_header header;
	pid_t			 pid;
	u8			 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
	char			 filename[];
};

enum perf_user_event_type { /* above any possible kernel type */
	PERF_RECORD_USER_TYPE_START		= 64,
	PERF_RECORD_HEADER_ATTR			= 64,
	PERF_RECORD_HEADER_EVENT_TYPE		= 65, /* depreceated */
	PERF_RECORD_HEADER_TRACING_DATA		= 66,
	PERF_RECORD_HEADER_BUILD_ID		= 67,
	PERF_RECORD_FINISHED_ROUND		= 68,
	PERF_RECORD_ID_INDEX			= 69,
	PERF_RECORD_AUXTRACE_INFO		= 70,
	PERF_RECORD_AUXTRACE			= 71,
	PERF_RECORD_AUXTRACE_ERROR		= 72,
	PERF_RECORD_HEADER_MAX
};

enum auxtrace_error_type {
	PERF_AUXTRACE_ERROR_ITRACE  = 1,
	PERF_AUXTRACE_ERROR_MAX
};

/*
 * The kernel collects the number of events it couldn't send in a stretch and
 * when possible sends this number in a PERF_RECORD_LOST event. The number of
 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
 * the sum of all struct lost_event.lost fields reported.
 *
 * The kernel discards mixed up samples and sends the number in a
 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
 * all struct lost_samples_event.lost fields reported.
 *
 * The total_period is needed because by default auto-freq is used, so
 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
 * the total number of low level events, it is necessary to to sum all struct
 * sample_event.period and stash the result in total_period.
 */
struct events_stats {
	u64 total_period;
	u64 total_non_filtered_period;
	u64 total_lost;
	u64 total_lost_samples;
	u64 total_invalid_chains;
	u32 nr_events[PERF_RECORD_HEADER_MAX];
	u32 nr_non_filtered_samples;
	u32 nr_lost_warned;
	u32 nr_unknown_events;
	u32 nr_invalid_chains;
	u32 nr_unknown_id;
	u32 nr_unprocessable_samples;
	u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
	u32 nr_proc_map_timeout;
};

struct attr_event {
	struct perf_event_header header;
	struct perf_event_attr attr;
	u64 id[];
};

#define MAX_EVENT_NAME 64

struct perf_trace_event_type {
	u64	event_id;
	char	name[MAX_EVENT_NAME];
};

struct event_type_event {
	struct perf_event_header header;
	struct perf_trace_event_type event_type;
};

struct tracing_data_event {
	struct perf_event_header header;
	u32 size;
};

struct id_index_entry {
	u64 id;
	u64 idx;
	u64 cpu;
	u64 tid;
};

struct id_index_event {
	struct perf_event_header header;
	u64 nr;
	struct id_index_entry entries[0];
};

struct auxtrace_info_event {
	struct perf_event_header header;
	u32 type;
	u32 reserved__; /* For alignment */
	u64 priv[];
};

struct auxtrace_event {
	struct perf_event_header header;
	u64 size;
	u64 offset;
	u64 reference;
	u32 idx;
	u32 tid;
	u32 cpu;
	u32 reserved__; /* For alignment */
};

#define MAX_AUXTRACE_ERROR_MSG 64

struct auxtrace_error_event {
	struct perf_event_header header;
	u32 type;
	u32 code;
	u32 cpu;
	u32 pid;
	u32 tid;
	u32 reserved__; /* For alignment */
	u64 ip;
	char msg[MAX_AUXTRACE_ERROR_MSG];
};

struct aux_event {
	struct perf_event_header header;
	u64	aux_offset;
	u64	aux_size;
	u64	flags;
};

struct itrace_start_event {
	struct perf_event_header header;
	u32 pid, tid;
};

struct context_switch_event {
	struct perf_event_header header;
	u32 next_prev_pid;
	u32 next_prev_tid;
};

union perf_event {
	struct perf_event_header	header;
	struct mmap_event		mmap;
	struct mmap2_event		mmap2;
	struct comm_event		comm;
	struct fork_event		fork;
	struct lost_event		lost;
	struct lost_samples_event	lost_samples;
	struct read_event		read;
	struct throttle_event		throttle;
	struct sample_event		sample;
	struct attr_event		attr;
	struct event_type_event		event_type;
	struct tracing_data_event	tracing_data;
	struct build_id_event		build_id;
	struct id_index_event		id_index;
	struct auxtrace_info_event	auxtrace_info;
	struct auxtrace_event		auxtrace;
	struct auxtrace_error_event	auxtrace_error;
	struct aux_event		aux;
	struct itrace_start_event	itrace_start;
	struct context_switch_event	context_switch;
};

void perf_event__print_totals(void);

struct perf_tool;
struct thread_map;

typedef int (*perf_event__handler_t)(struct perf_tool *tool,
				     union perf_event *event,
				     struct perf_sample *sample,
				     struct machine *machine);

int perf_event__synthesize_thread_map(struct perf_tool *tool,
				      struct thread_map *threads,
				      perf_event__handler_t process,
				      struct machine *machine, bool mmap_data,
				      unsigned int proc_map_timeout);
int perf_event__synthesize_threads(struct perf_tool *tool,
				   perf_event__handler_t process,
				   struct machine *machine, bool mmap_data,
				   unsigned int proc_map_timeout);
int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
				       perf_event__handler_t process,
				       struct machine *machine);

int perf_event__synthesize_modules(struct perf_tool *tool,
				   perf_event__handler_t process,
				   struct machine *machine);

int perf_event__process_comm(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_lost(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_lost_samples(struct perf_tool *tool,
				     union perf_event *event,
				     struct perf_sample *sample,
				     struct machine *machine);
int perf_event__process_aux(struct perf_tool *tool,
			    union perf_event *event,
			    struct perf_sample *sample,
			    struct machine *machine);
int perf_event__process_itrace_start(struct perf_tool *tool,
				     union perf_event *event,
				     struct perf_sample *sample,
				     struct machine *machine);
int perf_event__process_switch(struct perf_tool *tool,
			       union perf_event *event,
			       struct perf_sample *sample,
			       struct machine *machine);
int perf_event__process_mmap(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_mmap2(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_fork(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_exit(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process(struct perf_tool *tool,
			union perf_event *event,
			struct perf_sample *sample,
			struct machine *machine);

struct addr_location;

int perf_event__preprocess_sample(const union perf_event *event,
				  struct machine *machine,
				  struct addr_location *al,
				  struct perf_sample *sample);

void addr_location__put(struct addr_location *al);

struct thread;

bool is_bts_event(struct perf_event_attr *attr);
bool sample_addr_correlates_sym(struct perf_event_attr *attr);
void perf_event__preprocess_sample_addr(union perf_event *event,
					struct perf_sample *sample,
					struct thread *thread,
					struct addr_location *al);

const char *perf_event__name(unsigned int id);

size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
				     u64 read_format);
int perf_event__synthesize_sample(union perf_event *event, u64 type,
				  u64 read_format,
				  const struct perf_sample *sample,
				  bool swapped);

pid_t perf_event__synthesize_comm(struct perf_tool *tool,
				  union perf_event *event, pid_t pid,
				  perf_event__handler_t process,
				  struct machine *machine);

int perf_event__synthesize_mmap_events(struct perf_tool *tool,
				       union perf_event *event,
				       pid_t pid, pid_t tgid,
				       perf_event__handler_t process,
				       struct machine *machine,
				       bool mmap_data,
				       unsigned int proc_map_timeout);

size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
size_t perf_event__fprintf(union perf_event *event, FILE *fp);

u64 kallsyms__get_function_start(const char *kallsyms_filename,
				 const char *symbol_name);

#endif /* __PERF_RECORD_H */
Commit	Line	Data
cdd6c482 IM	1	#ifndef __PERF_RECORD_H
cdd6c482 IM	2	#define __PERF_RECORD_H
8b40f521	3
4a58e611	4	#include <limits.h>
482ad897	5	#include <stdio.h>
4a58e611	6
1fe2c106	7	#include "../perf.h"
4a58e611	8	#include "map.h"
4383db88	9	#include "build-id.h"
0c4e774f	10	#include "perf_regs.h"
1fe2c106	11
1fe2c106 FW	12	struct mmap_event {
	13	struct perf_event_header header;
	14	u32 pid, tid;
	15	u64 start;
	16	u64 len;
	17	u64 pgoff;
	18	char filename[PATH_MAX];
	19	};
	20
5c5e854b SE	21	struct mmap2_event {
	22	struct perf_event_header header;
	23	u32 pid, tid;
	24	u64 start;
	25	u64 len;
	26	u64 pgoff;
	27	u32 maj;
	28	u32 min;
	29	u64 ino;
	30	u64 ino_generation;
7ef80703 DZ	31	u32 prot;
7ef80703 DZ	32	u32 flags;
5c5e854b SE	33	char filename[PATH_MAX];
	34	};
	35
1fe2c106 FW	36	struct comm_event {
	37	struct perf_event_header header;
	38	u32 pid, tid;
	39	char comm[16];
	40	};
	41
	42	struct fork_event {
	43	struct perf_event_header header;
	44	u32 pid, ppid;
	45	u32 tid, ptid;
393b2ad8	46	u64 time;
1fe2c106 FW	47	};
	48
	49	struct lost_event {
	50	struct perf_event_header header;
	51	u64 id;
	52	u64 lost;
	53	};
	54
c4937a91 KL	55	struct lost_samples_event {
	56	struct perf_event_header header;
	57	u64 lost;
	58	};
	59
18408ddc PZ	60	/*
	61	* PERF_FORMAT_ENABLED \| PERF_FORMAT_RUNNING \| PERF_FORMAT_ID
	62	*/
1fe2c106 FW	63	struct read_event {
1fe2c106 FW	64	struct perf_event_header header;
dc02bf71	65	u32 pid, tid;
1fe2c106 FW	66	u64 value;
	67	u64 time_enabled;
	68	u64 time_running;
	69	u64 id;
	70	};
	71
dd96c46b JO	72	struct throttle_event {
	73	struct perf_event_header header;
	74	u64 time;
	75	u64 id;
	76	u64 stream_id;
	77	};
a2854124 FW	78
	79	#define PERF_SAMPLE_MASK \
	80	(PERF_SAMPLE_IP \| PERF_SAMPLE_TID \| \
	81	PERF_SAMPLE_TIME \| PERF_SAMPLE_ADDR \| \
	82	PERF_SAMPLE_ID \| PERF_SAMPLE_STREAM_ID \| \
75562573 AH	83	PERF_SAMPLE_CPU \| PERF_SAMPLE_PERIOD \| \
75562573 AH	84	PERF_SAMPLE_IDENTIFIER)
a2854124	85
a65cb4b9 JO	86	/* perf sample has 16 bits size limit */
	87	#define PERF_SAMPLE_MAX_SIZE (1 << 16)
	88
180f95e2	89	struct sample_event {
fd39e055 AV	90	struct perf_event_header header;
	91	u64 array[];
	92	};
	93
0f6a3015	94	struct regs_dump {
5b95a4a3	95	u64 abi;
352ea45a	96	u64 mask;
0f6a3015	97	u64 *regs;
0c4e774f JO	98
	99	/* Cached values/mask filled by first register access. */
	100	u64 cache_regs[PERF_REGS_MAX];
	101	u64 cache_mask;
0f6a3015 JO	102	};
	103
	104	struct stack_dump {
	105	u16 offset;
	106	u64 size;
	107	char *data;
	108	};
	109
9ede473c JO	110	struct sample_read_value {
	111	u64 value;
	112	u64 id;
	113	};
	114
	115	struct sample_read {
	116	u64 time_enabled;
	117	u64 time_running;
	118	union {
	119	struct {
	120	u64 nr;
	121	struct sample_read_value *values;
	122	} group;
	123	struct sample_read_value one;
	124	};
	125	};
	126
0776eb59 JO	127	struct ip_callchain {
	128	u64 nr;
	129	u64 ips[0];
	130	};
	131
	132	struct branch_flags {
	133	u64 mispred:1;
	134	u64 predicted:1;
	135	u64 in_tx:1;
	136	u64 abort:1;
0e332f03 AK	137	u64 cycles:16;
0e332f03 AK	138	u64 reserved:44;
0776eb59 JO	139	};
	140
	141	struct branch_entry {
	142	u64 from;
	143	u64 to;
	144	struct branch_flags flags;
	145	};
	146
	147	struct branch_stack {
	148	u64 nr;
	149	struct branch_entry entries[0];
	150	};
	151
00447ccd AH	152	enum {
	153	PERF_IP_FLAG_BRANCH = 1ULL << 0,
	154	PERF_IP_FLAG_CALL = 1ULL << 1,
	155	PERF_IP_FLAG_RETURN = 1ULL << 2,
	156	PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
	157	PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
	158	PERF_IP_FLAG_ASYNC = 1ULL << 5,
	159	PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
	160	PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
	161	PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
	162	PERF_IP_FLAG_TRACE_END = 1ULL << 9,
	163	PERF_IP_FLAG_IN_TX = 1ULL << 10,
	164	};
	165
400ea6d3 AH	166	#define PERF_IP_FLAG_CHARS "bcrosyiABEx"
400ea6d3 AH	167
00447ccd AH	168	#define PERF_BRANCH_MASK (\
	169	PERF_IP_FLAG_BRANCH \|\
	170	PERF_IP_FLAG_CALL \|\
	171	PERF_IP_FLAG_RETURN \|\
	172	PERF_IP_FLAG_CONDITIONAL \|\
	173	PERF_IP_FLAG_SYSCALLRET \|\
	174	PERF_IP_FLAG_ASYNC \|\
	175	PERF_IP_FLAG_INTERRUPT \|\
	176	PERF_IP_FLAG_TX_ABORT \|\
	177	PERF_IP_FLAG_TRACE_BEGIN \|\
	178	PERF_IP_FLAG_TRACE_END)
	179
8d50e5b4	180	struct perf_sample {
180f95e2 OH	181	u64 ip;
	182	u32 pid, tid;
	183	u64 time;
	184	u64 addr;
	185	u64 id;
	186	u64 stream_id;
180f95e2	187	u64 period;
05484298	188	u64 weight;
475eeab9	189	u64 transaction;
eed05fe7	190	u32 cpu;
180f95e2	191	u32 raw_size;
98a3b32c	192	u64 data_src;
bf493902 AH	193	u32 flags;
bf493902 AH	194	u16 insn_len;
180f95e2	195	void *raw_data;
eed05fe7	196	struct ip_callchain *callchain;
b5387528	197	struct branch_stack *branch_stack;
0f6a3015	198	struct regs_dump user_regs;
6a21c0b5	199	struct regs_dump intr_regs;
0f6a3015	200	struct stack_dump user_stack;
9ede473c	201	struct sample_read read;
180f95e2 OH	202	};
180f95e2 OH	203
98a3b32c SE	204	#define PERF_MEM_DATA_SRC_NONE \
	205	(PERF_MEM_S(OP, NA) \|\
	206	PERF_MEM_S(LVL, NA) \|\
	207	PERF_MEM_S(SNOOP, NA) \|\
	208	PERF_MEM_S(LOCK, NA) \|\
	209	PERF_MEM_S(TLB, NA))
	210
8d06367f ACM	211	struct build_id_event {
8d06367f ACM	212	struct perf_event_header header;
a1645ce1	213	pid_t pid;
9ac3e487	214	u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
8d06367f ACM	215	char filename[];
8d06367f ACM	216	};
fd39e055	217
98402807	218	enum perf_user_event_type { /* above any possible kernel type */
9aefcab0	219	PERF_RECORD_USER_TYPE_START = 64,
2c46dbb5	220	PERF_RECORD_HEADER_ATTR = 64,
6065210d	221	PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
9215545e	222	PERF_RECORD_HEADER_TRACING_DATA = 66,
c7929e47	223	PERF_RECORD_HEADER_BUILD_ID = 67,
98402807	224	PERF_RECORD_FINISHED_ROUND = 68,
3c659eed	225	PERF_RECORD_ID_INDEX = 69,
a16ac023 AH	226	PERF_RECORD_AUXTRACE_INFO = 70,
a16ac023 AH	227	PERF_RECORD_AUXTRACE = 71,
e9bf54d2	228	PERF_RECORD_AUXTRACE_ERROR = 72,
2c46dbb5 TZ	229	PERF_RECORD_HEADER_MAX
	230	};
	231
85ed4729 AH	232	enum auxtrace_error_type {
	233	PERF_AUXTRACE_ERROR_ITRACE = 1,
	234	PERF_AUXTRACE_ERROR_MAX
	235	};
	236
4318bcb7 ACM	237	/*
	238	* The kernel collects the number of events it couldn't send in a stretch and
	239	* when possible sends this number in a PERF_RECORD_LOST event. The number of
	240	* such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
	241	* total_lost tells exactly how many events the kernel in fact lost, i.e. it is
	242	* the sum of all struct lost_event.lost fields reported.
	243	*
c4937a91 KL	244	* The kernel discards mixed up samples and sends the number in a
	245	* PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
	246	* in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
	247	* exactly how many samples the kernel in fact dropped, i.e. it is the sum of
	248	* all struct lost_samples_event.lost fields reported.
	249	*
4318bcb7 ACM	250	* The total_period is needed because by default auto-freq is used, so
	251	* multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
	252	* the total number of low level events, it is necessary to to sum all struct
	253	* sample_event.period and stash the result in total_period.
	254	*/
	255	struct events_stats {
	256	u64 total_period;
	257	u64 total_non_filtered_period;
	258	u64 total_lost;
c4937a91	259	u64 total_lost_samples;
4318bcb7 ACM	260	u64 total_invalid_chains;
	261	u32 nr_events[PERF_RECORD_HEADER_MAX];
	262	u32 nr_non_filtered_samples;
	263	u32 nr_lost_warned;
	264	u32 nr_unknown_events;
	265	u32 nr_invalid_chains;
	266	u32 nr_unknown_id;
	267	u32 nr_unprocessable_samples;
85ed4729	268	u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
930e6fcd	269	u32 nr_proc_map_timeout;
4318bcb7 ACM	270	};
4318bcb7 ACM	271
2c46dbb5 TZ	272	struct attr_event {
	273	struct perf_event_header header;
	274	struct perf_event_attr attr;
	275	u64 id[];
8dc58101 TZ	276	};
8dc58101 TZ	277
cd19a035 TZ	278	#define MAX_EVENT_NAME 64
	279
	280	struct perf_trace_event_type {
	281	u64 event_id;
	282	char name[MAX_EVENT_NAME];
	283	};
	284
	285	struct event_type_event {
	286	struct perf_event_header header;
	287	struct perf_trace_event_type event_type;
	288	};
	289
9215545e TZ	290	struct tracing_data_event {
	291	struct perf_event_header header;
	292	u32 size;
	293	};
	294
3c659eed AH	295	struct id_index_entry {
	296	u64 id;
	297	u64 idx;
	298	u64 cpu;
	299	u64 tid;
	300	};
	301
	302	struct id_index_event {
	303	struct perf_event_header header;
	304	u64 nr;
	305	struct id_index_entry entries[0];
	306	};
	307
a16ac023 AH	308	struct auxtrace_info_event {
	309	struct perf_event_header header;
	310	u32 type;
	311	u32 reserved__; /* For alignment */
	312	u64 priv[];
	313	};
	314
	315	struct auxtrace_event {
	316	struct perf_event_header header;
	317	u64 size;
	318	u64 offset;
	319	u64 reference;
	320	u32 idx;
	321	u32 tid;
	322	u32 cpu;
	323	u32 reserved__; /* For alignment */
	324	};
	325
e9bf54d2 AH	326	#define MAX_AUXTRACE_ERROR_MSG 64
	327
	328	struct auxtrace_error_event {
	329	struct perf_event_header header;
	330	u32 type;
	331	u32 code;
	332	u32 cpu;
	333	u32 pid;
	334	u32 tid;
	335	u32 reserved__; /* For alignment */
	336	u64 ip;
	337	char msg[MAX_AUXTRACE_ERROR_MSG];
	338	};
	339
4a96f7a0 AH	340	struct aux_event {
	341	struct perf_event_header header;
	342	u64 aux_offset;
	343	u64 aux_size;
	344	u64 flags;
	345	};
	346
0ad21f68 AH	347	struct itrace_start_event {
	348	struct perf_event_header header;
	349	u32 pid, tid;
	350	};
	351
0286039f AH	352	struct context_switch_event {
	353	struct perf_event_header header;
	354	u32 next_prev_pid;
	355	u32 next_prev_tid;
	356	};
	357
8115d60c	358	union perf_event {
1fe2c106	359	struct perf_event_header header;
1fe2c106	360	struct mmap_event mmap;
5c5e854b	361	struct mmap2_event mmap2;
1fe2c106 FW	362	struct comm_event comm;
	363	struct fork_event fork;
	364	struct lost_event lost;
c4937a91	365	struct lost_samples_event lost_samples;
1fe2c106	366	struct read_event read;
dd96c46b	367	struct throttle_event throttle;
fd39e055	368	struct sample_event sample;
2c46dbb5	369	struct attr_event attr;
cd19a035	370	struct event_type_event event_type;
9215545e	371	struct tracing_data_event tracing_data;
c7929e47	372	struct build_id_event build_id;
3c659eed	373	struct id_index_event id_index;
a16ac023 AH	374	struct auxtrace_info_event auxtrace_info;
a16ac023 AH	375	struct auxtrace_event auxtrace;
e9bf54d2	376	struct auxtrace_error_event auxtrace_error;
4a96f7a0	377	struct aux_event aux;
0ad21f68	378	struct itrace_start_event itrace_start;
0286039f	379	struct context_switch_event context_switch;
8115d60c	380	};
66e274f3	381
8115d60c	382	void perf_event__print_totals(void);
62daacb5	383
45694aa7	384	struct perf_tool;
401b8e13	385	struct thread_map;
4aa65636	386
45694aa7	387	typedef int (perf_event__handler_t)(struct perf_tool tool,
d20deb64	388	union perf_event *event,
8115d60c	389	struct perf_sample *sample,
743eb868	390	struct machine *machine);
cf553114	391
45694aa7	392	int perf_event__synthesize_thread_map(struct perf_tool *tool,
d20deb64	393	struct thread_map *threads,
7c940c18	394	perf_event__handler_t process,
9d9cad76 KL	395	struct machine *machine, bool mmap_data,
9d9cad76 KL	396	unsigned int proc_map_timeout);
45694aa7	397	int perf_event__synthesize_threads(struct perf_tool *tool,
d20deb64	398	perf_event__handler_t process,
9d9cad76 KL	399	struct machine *machine, bool mmap_data,
9d9cad76 KL	400	unsigned int proc_map_timeout);
45694aa7	401	int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
d20deb64	402	perf_event__handler_t process,
0ae617be	403	struct machine *machine);
8115d60c	404
45694aa7	405	int perf_event__synthesize_modules(struct perf_tool *tool,
d20deb64	406	perf_event__handler_t process,
8115d60c ACM	407	struct machine *machine);
8115d60c ACM	408
45694aa7	409	int perf_event__process_comm(struct perf_tool *tool,
d20deb64 ACM	410	union perf_event *event,
d20deb64 ACM	411	struct perf_sample *sample,
743eb868	412	struct machine *machine);
45694aa7	413	int perf_event__process_lost(struct perf_tool *tool,
d20deb64 ACM	414	union perf_event *event,
d20deb64 ACM	415	struct perf_sample *sample,
743eb868	416	struct machine *machine);
c4937a91 KL	417	int perf_event__process_lost_samples(struct perf_tool *tool,
	418	union perf_event *event,
	419	struct perf_sample *sample,
	420	struct machine *machine);
4a96f7a0 AH	421	int perf_event__process_aux(struct perf_tool *tool,
	422	union perf_event *event,
	423	struct perf_sample *sample,
	424	struct machine *machine);
0ad21f68 AH	425	int perf_event__process_itrace_start(struct perf_tool *tool,
	426	union perf_event *event,
	427	struct perf_sample *sample,
	428	struct machine *machine);
0286039f AH	429	int perf_event__process_switch(struct perf_tool *tool,
	430	union perf_event *event,
	431	struct perf_sample *sample,
	432	struct machine *machine);
45694aa7	433	int perf_event__process_mmap(struct perf_tool *tool,
d20deb64 ACM	434	union perf_event *event,
d20deb64 ACM	435	struct perf_sample *sample,
743eb868	436	struct machine *machine);
5c5e854b SE	437	int perf_event__process_mmap2(struct perf_tool *tool,
	438	union perf_event *event,
	439	struct perf_sample *sample,
	440	struct machine *machine);
f62d3f0f ACM	441	int perf_event__process_fork(struct perf_tool *tool,
	442	union perf_event *event,
	443	struct perf_sample *sample,
	444	struct machine *machine);
	445	int perf_event__process_exit(struct perf_tool *tool,
d20deb64 ACM	446	union perf_event *event,
d20deb64 ACM	447	struct perf_sample *sample,
743eb868	448	struct machine *machine);
45694aa7	449	int perf_event__process(struct perf_tool *tool,
d20deb64 ACM	450	union perf_event *event,
d20deb64 ACM	451	struct perf_sample *sample,
743eb868	452	struct machine *machine);
62daacb5	453
1ed091c4	454	struct addr_location;
316c7136 ACM	455
316c7136 ACM	456	int perf_event__preprocess_sample(const union perf_event *event,
743eb868	457	struct machine *machine,
8115d60c	458	struct addr_location *al,
e44baa3e	459	struct perf_sample *sample);
1ed091c4	460
b91fc39f ACM	461	void addr_location__put(struct addr_location *al);
b91fc39f ACM	462
9b0d2d87 AH	463	struct thread;
	464
	465	bool is_bts_event(struct perf_event_attr *attr);
	466	bool sample_addr_correlates_sym(struct perf_event_attr *attr);
	467	void perf_event__preprocess_sample_addr(union perf_event *event,
	468	struct perf_sample *sample,
9b0d2d87 AH	469	struct thread *thread,
	470	struct addr_location *al);
	471
8115d60c	472	const char *perf_event__name(unsigned int id);
c8446b9b	473
b1cf6f65	474	size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
352ea45a	475	u64 read_format);
74eec26f	476	int perf_event__synthesize_sample(union perf_event *event, u64 type,
352ea45a	477	u64 read_format,
74eec26f AV	478	const struct perf_sample *sample,
74eec26f AV	479	bool swapped);
d0dd74e8	480
e803cf97 NK	481	pid_t perf_event__synthesize_comm(struct perf_tool *tool,
	482	union perf_event *event, pid_t pid,
	483	perf_event__handler_t process,
	484	struct machine *machine);
	485
a18382b6 JO	486	int perf_event__synthesize_mmap_events(struct perf_tool *tool,
	487	union perf_event *event,
	488	pid_t pid, pid_t tgid,
	489	perf_event__handler_t process,
	490	struct machine *machine,
9d9cad76 KL	491	bool mmap_data,
9d9cad76 KL	492	unsigned int proc_map_timeout);
a18382b6	493
482ad897 ACM	494	size_t perf_event__fprintf_comm(union perf_event event, FILE fp);
482ad897 ACM	495	size_t perf_event__fprintf_mmap(union perf_event event, FILE fp);
5c5e854b	496	size_t perf_event__fprintf_mmap2(union perf_event event, FILE fp);
482ad897	497	size_t perf_event__fprintf_task(union perf_event event, FILE fp);
4a96f7a0	498	size_t perf_event__fprintf_aux(union perf_event event, FILE fp);
0ad21f68	499	size_t perf_event__fprintf_itrace_start(union perf_event event, FILE fp);
0286039f	500	size_t perf_event__fprintf_switch(union perf_event event, FILE fp);
482ad897 ACM	501	size_t perf_event__fprintf(union perf_event event, FILE fp);
482ad897 ACM	502
29b596b5 AH	503	u64 kallsyms__get_function_start(const char *kallsyms_filename,
	504	const char *symbol_name);
	505
8b40f521	506	#endif /* __PERF_RECORD_H */