| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __PERF_RECORD_H |
| #define __PERF_RECORD_H |
| /* |
| * The linux/stddef.h isn't need here, but is needed for __always_inline used |
| * in files included from uapi/linux/perf_event.h such as |
| * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h, |
| * detected in at least musl libc, used in Alpine Linux. -acme |
| */ |
| #include <stdio.h> |
| #include <linux/stddef.h> |
| #include <perf/event.h> |
| #include <linux/types.h> |
| |
| #include "perf_regs.h" |
| |
| struct dso; |
| struct machine; |
| struct perf_event_attr; |
| |
| #ifdef __LP64__ |
| /* |
| * /usr/include/inttypes.h uses just 'lu' for PRIu64, but we end up defining |
| * __u64 as long long unsigned int, and then -Werror=format= kicks in and |
| * complains of the mismatched types, so use these two special extra PRI |
| * macros to overcome that. |
| */ |
| #define PRI_lu64 "l" PRIu64 |
| #define PRI_lx64 "l" PRIx64 |
| #define PRI_ld64 "l" PRId64 |
| #else |
| #define PRI_lu64 PRIu64 |
| #define PRI_lx64 PRIx64 |
| #define PRI_ld64 PRId64 |
| #endif |
| |
| #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 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[]; |
| }; |
| |
| struct branch_stack; |
| |
| 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) |
| |
| #define MAX_INSN 16 |
| |
| struct aux_sample { |
| u64 size; |
| void *data; |
| }; |
| |
| struct perf_sample { |
| u64 ip; |
| u32 pid, tid; |
| u64 time; |
| u64 addr; |
| u64 id; |
| u64 stream_id; |
| u64 period; |
| u64 weight; |
| u64 transaction; |
| u64 insn_cnt; |
| u64 cyc_cnt; |
| u32 cpu; |
| u32 raw_size; |
| u64 data_src; |
| u64 phys_addr; |
| u64 cgroup; |
| u32 flags; |
| u16 insn_len; |
| u8 cpumode; |
| u16 misc; |
| bool no_hw_idx; /* No hw_idx collected in branch_stack */ |
| char insn[MAX_INSN]; |
| 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; |
| struct aux_sample aux_sample; |
| }; |
| |
| #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)) |
| |
| /* Attribute type for custom synthesized events */ |
| #define PERF_TYPE_SYNTH (INT_MAX + 1U) |
| |
| /* Attribute config for custom synthesized events */ |
| enum perf_synth_id { |
| PERF_SYNTH_INTEL_PTWRITE, |
| PERF_SYNTH_INTEL_MWAIT, |
| PERF_SYNTH_INTEL_PWRE, |
| PERF_SYNTH_INTEL_EXSTOP, |
| PERF_SYNTH_INTEL_PWRX, |
| PERF_SYNTH_INTEL_CBR, |
| }; |
| |
| /* |
| * Raw data formats for synthesized events. Note that 4 bytes of padding are |
| * present to match the 'size' member of PERF_SAMPLE_RAW data which is always |
| * 8-byte aligned. That means we must dereference raw_data with an offset of 4. |
| * Refer perf_sample__synth_ptr() and perf_synth__raw_data(). It also means the |
| * structure sizes are 4 bytes bigger than the raw_size, refer |
| * perf_synth__raw_size(). |
| */ |
| |
| struct perf_synth_intel_ptwrite { |
| u32 padding; |
| union { |
| struct { |
| u32 ip : 1, |
| reserved : 31; |
| }; |
| u32 flags; |
| }; |
| u64 payload; |
| }; |
| |
| struct perf_synth_intel_mwait { |
| u32 padding; |
| u32 reserved; |
| union { |
| struct { |
| u64 hints : 8, |
| reserved1 : 24, |
| extensions : 2, |
| reserved2 : 30; |
| }; |
| u64 payload; |
| }; |
| }; |
| |
| struct perf_synth_intel_pwre { |
| u32 padding; |
| u32 reserved; |
| union { |
| struct { |
| u64 reserved1 : 7, |
| hw : 1, |
| subcstate : 4, |
| cstate : 4, |
| reserved2 : 48; |
| }; |
| u64 payload; |
| }; |
| }; |
| |
| struct perf_synth_intel_exstop { |
| u32 padding; |
| union { |
| struct { |
| u32 ip : 1, |
| reserved : 31; |
| }; |
| u32 flags; |
| }; |
| }; |
| |
| struct perf_synth_intel_pwrx { |
| u32 padding; |
| u32 reserved; |
| union { |
| struct { |
| u64 deepest_cstate : 4, |
| last_cstate : 4, |
| wake_reason : 4, |
| reserved1 : 52; |
| }; |
| u64 payload; |
| }; |
| }; |
| |
| struct perf_synth_intel_cbr { |
| u32 padding; |
| union { |
| struct { |
| u32 cbr : 8, |
| reserved1 : 8, |
| max_nonturbo : 8, |
| reserved2 : 8; |
| }; |
| u32 flags; |
| }; |
| u32 freq; |
| u32 reserved3; |
| }; |
| |
| /* |
| * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get |
| * 8-byte alignment. |
| */ |
| static inline void *perf_sample__synth_ptr(struct perf_sample *sample) |
| { |
| return sample->raw_data - 4; |
| } |
| |
| static inline void *perf_synth__raw_data(void *p) |
| { |
| return p + 4; |
| } |
| |
| #define perf_synth__raw_size(d) (sizeof(d) - 4) |
| |
| #define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4) |
| |
| enum { |
| PERF_STAT_ROUND_TYPE__INTERVAL = 0, |
| PERF_STAT_ROUND_TYPE__FINAL = 1, |
| }; |
| |
| void perf_event__print_totals(void); |
| |
| struct perf_cpu_map; |
| struct perf_record_stat_config; |
| struct perf_stat_config; |
| struct perf_tool; |
| |
| void perf_event__read_stat_config(struct perf_stat_config *config, |
| struct perf_record_stat_config *event); |
| |
| 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_namespaces(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine); |
| int perf_event__process_cgroup(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_ksymbol(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine); |
| int perf_event__process_bpf(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 machine__resolve(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 thread__resolve(struct thread *thread, struct addr_location *al, |
| struct perf_sample *sample); |
| |
| const char *perf_event__name(unsigned int id); |
| |
| 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_thread_map(union perf_event *event, FILE *fp); |
| size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp); |
| size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp); |
| size_t perf_event__fprintf_cgroup(union perf_event *event, FILE *fp); |
| size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp); |
| size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp); |
| size_t perf_event__fprintf(union perf_event *event, FILE *fp); |
| |
| int kallsyms__get_function_start(const char *kallsyms_filename, |
| const char *symbol_name, u64 *addr); |
| |
| void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max); |
| void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map, |
| u16 type, int max); |
| |
| void event_attr_init(struct perf_event_attr *attr); |
| |
| int perf_event_paranoid(void); |
| bool perf_event_paranoid_check(int max_level); |
| |
| extern int sysctl_perf_event_max_stack; |
| extern int sysctl_perf_event_max_contexts_per_stack; |
| extern unsigned int proc_map_timeout; |
| |
| #endif /* __PERF_RECORD_H */ |
