442 lines
10 KiB
C
442 lines
10 KiB
C
#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;
|
|
};
|
|
|
|
/*
|
|
* 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 reserved:60;
|
|
};
|
|
|
|
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 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_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];
|
|
};
|
|
|
|
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];
|
|
};
|
|
|
|
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 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;
|
|
};
|
|
|
|
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);
|
|
int perf_event__synthesize_threads(struct perf_tool *tool,
|
|
perf_event__handler_t process,
|
|
struct machine *machine, bool mmap_data);
|
|
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_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);
|
|
|
|
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);
|
|
|
|
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);
|
|
|
|
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(union perf_event *event, FILE *fp);
|
|
|
|
u64 kallsyms__get_function_start(const char *kallsyms_filename,
|
|
const char *symbol_name);
|
|
|
|
#endif /* __PERF_RECORD_H */
|