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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __PERF_RECORD_H3#define __PERF_RECORD_H4/*5 * The linux/stddef.h isn't need here, but is needed for __always_inline used6 * in files included from uapi/linux/perf_event.h such as7 * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h,8 * detected in at least musl libc, used in Alpine Linux. -acme9 */10#include <stdio.h>11#include <linux/stddef.h>12#include <perf/event.h>13#include <linux/types.h>14 15struct dso;16struct machine;17struct perf_event_attr;18struct perf_sample;19 20#ifdef __LP64__21/*22 * /usr/include/inttypes.h uses just 'lu' for PRIu64, but we end up defining23 * __u64 as long long unsigned int, and then -Werror=format= kicks in and24 * complains of the mismatched types, so use these two special extra PRI25 * macros to overcome that.26 */27#define PRI_lu64 "l" PRIu6428#define PRI_lx64 "l" PRIx6429#define PRI_ld64 "l" PRId6430#else31#define PRI_lu64 PRIu6432#define PRI_lx64 PRIx6433#define PRI_ld64 PRId6434#endif35 36#define PERF_SAMPLE_MASK				\37	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\38	 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |		\39	PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |	\40	 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD |		\41	 PERF_SAMPLE_IDENTIFIER)42 43/* perf sample has 16 bits size limit */44#define PERF_SAMPLE_MAX_SIZE (1 << 16)45 46struct ip_callchain {47	u64 nr;48	u64 ips[];49};50 51struct branch_stack;52 53enum {54	PERF_IP_FLAG_BRANCH		= 1ULL << 0,55	PERF_IP_FLAG_CALL		= 1ULL << 1,56	PERF_IP_FLAG_RETURN		= 1ULL << 2,57	PERF_IP_FLAG_CONDITIONAL	= 1ULL << 3,58	PERF_IP_FLAG_SYSCALLRET		= 1ULL << 4,59	PERF_IP_FLAG_ASYNC		= 1ULL << 5,60	PERF_IP_FLAG_INTERRUPT		= 1ULL << 6,61	PERF_IP_FLAG_TX_ABORT		= 1ULL << 7,62	PERF_IP_FLAG_TRACE_BEGIN	= 1ULL << 8,63	PERF_IP_FLAG_TRACE_END		= 1ULL << 9,64	PERF_IP_FLAG_IN_TX		= 1ULL << 10,65	PERF_IP_FLAG_VMENTRY		= 1ULL << 11,66	PERF_IP_FLAG_VMEXIT		= 1ULL << 12,67	PERF_IP_FLAG_INTR_DISABLE	= 1ULL << 13,68	PERF_IP_FLAG_INTR_TOGGLE	= 1ULL << 14,69};70 71#define PERF_IP_FLAG_CHARS "bcrosyiABExghDt"72 73#define PERF_BRANCH_MASK		(\74	PERF_IP_FLAG_BRANCH		|\75	PERF_IP_FLAG_CALL		|\76	PERF_IP_FLAG_RETURN		|\77	PERF_IP_FLAG_CONDITIONAL	|\78	PERF_IP_FLAG_SYSCALLRET		|\79	PERF_IP_FLAG_ASYNC		|\80	PERF_IP_FLAG_INTERRUPT		|\81	PERF_IP_FLAG_TX_ABORT		|\82	PERF_IP_FLAG_TRACE_BEGIN	|\83	PERF_IP_FLAG_TRACE_END		|\84	PERF_IP_FLAG_VMENTRY		|\85	PERF_IP_FLAG_VMEXIT)86 87#define PERF_MEM_DATA_SRC_NONE \88	(PERF_MEM_S(OP, NA) |\89	 PERF_MEM_S(LVL, NA) |\90	 PERF_MEM_S(SNOOP, NA) |\91	 PERF_MEM_S(LOCK, NA) |\92	 PERF_MEM_S(TLB, NA) |\93	 PERF_MEM_S(LVLNUM, NA))94 95/* Attribute type for custom synthesized events */96#define PERF_TYPE_SYNTH		(INT_MAX + 1U)97 98/* Attribute config for custom synthesized events */99enum perf_synth_id {100	PERF_SYNTH_INTEL_PTWRITE,101	PERF_SYNTH_INTEL_MWAIT,102	PERF_SYNTH_INTEL_PWRE,103	PERF_SYNTH_INTEL_EXSTOP,104	PERF_SYNTH_INTEL_PWRX,105	PERF_SYNTH_INTEL_CBR,106	PERF_SYNTH_INTEL_PSB,107	PERF_SYNTH_INTEL_EVT,108	PERF_SYNTH_INTEL_IFLAG_CHG,109};110 111/*112 * Raw data formats for synthesized events. Note that 4 bytes of padding are113 * present to match the 'size' member of PERF_SAMPLE_RAW data which is always114 * 8-byte aligned. That means we must dereference raw_data with an offset of 4.115 * Refer perf_sample__synth_ptr() and perf_synth__raw_data().  It also means the116 * structure sizes are 4 bytes bigger than the raw_size, refer117 * perf_synth__raw_size().118 */119 120struct perf_synth_intel_ptwrite {121	u32 padding;122	union {123		struct {124			u32	ip		:  1,125				reserved	: 31;126		};127		u32	flags;128	};129	u64	payload;130};131 132struct perf_synth_intel_mwait {133	u32 padding;134	u32 reserved;135	union {136		struct {137			u64	hints		:  8,138				reserved1	: 24,139				extensions	:  2,140				reserved2	: 30;141		};142		u64	payload;143	};144};145 146struct perf_synth_intel_pwre {147	u32 padding;148	u32 reserved;149	union {150		struct {151			u64	reserved1	:  7,152				hw		:  1,153				subcstate	:  4,154				cstate		:  4,155				reserved2	: 48;156		};157		u64	payload;158	};159};160 161struct perf_synth_intel_exstop {162	u32 padding;163	union {164		struct {165			u32	ip		:  1,166				reserved	: 31;167		};168		u32	flags;169	};170};171 172struct perf_synth_intel_pwrx {173	u32 padding;174	u32 reserved;175	union {176		struct {177			u64	deepest_cstate	:  4,178				last_cstate	:  4,179				wake_reason	:  4,180				reserved1	: 52;181		};182		u64	payload;183	};184};185 186struct perf_synth_intel_cbr {187	u32 padding;188	union {189		struct {190			u32	cbr		:  8,191				reserved1	:  8,192				max_nonturbo	:  8,193				reserved2	:  8;194		};195		u32	flags;196	};197	u32 freq;198	u32 reserved3;199};200 201struct perf_synth_intel_psb {202	u32 padding;203	u32 reserved;204	u64 offset;205};206 207struct perf_synth_intel_evd {208	union {209		struct {210			u8	evd_type;211			u8	reserved[7];212		};213		u64	et;214	};215	u64	payload;216};217 218/* Intel PT Event Trace */219struct perf_synth_intel_evt {220	u32 padding;221	union {222		struct {223			u32	type		:  5,224				reserved	:  2,225				ip		:  1,226				vector		:  8,227				evd_cnt		: 16;228		};229		u32	cfe;230	};231	struct perf_synth_intel_evd evd[0];232};233 234struct perf_synth_intel_iflag_chg {235	u32 padding;236	union {237		struct {238			u32	iflag		:  1,239				via_branch	:  1;240		};241		u32	flags;242	};243	u64	branch_ip; /* If via_branch */244};245 246static inline void *perf_synth__raw_data(void *p)247{248	return p + 4;249}250 251#define perf_synth__raw_size(d) (sizeof(d) - 4)252 253#define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)254 255enum {256	PERF_STAT_ROUND_TYPE__INTERVAL	= 0,257	PERF_STAT_ROUND_TYPE__FINAL	= 1,258};259 260void perf_event__print_totals(void);261 262struct perf_cpu_map;263struct perf_record_stat_config;264struct perf_stat_config;265struct perf_tool;266 267void perf_event__read_stat_config(struct perf_stat_config *config,268				  struct perf_record_stat_config *event);269 270int perf_event__process_comm(const struct perf_tool *tool,271			     union perf_event *event,272			     struct perf_sample *sample,273			     struct machine *machine);274int perf_event__process_lost(const struct perf_tool *tool,275			     union perf_event *event,276			     struct perf_sample *sample,277			     struct machine *machine);278int perf_event__process_lost_samples(const struct perf_tool *tool,279				     union perf_event *event,280				     struct perf_sample *sample,281				     struct machine *machine);282int perf_event__process_aux(const struct perf_tool *tool,283			    union perf_event *event,284			    struct perf_sample *sample,285			    struct machine *machine);286int perf_event__process_itrace_start(const struct perf_tool *tool,287				     union perf_event *event,288				     struct perf_sample *sample,289				     struct machine *machine);290int perf_event__process_aux_output_hw_id(const struct perf_tool *tool,291					 union perf_event *event,292					 struct perf_sample *sample,293					 struct machine *machine);294int perf_event__process_switch(const struct perf_tool *tool,295			       union perf_event *event,296			       struct perf_sample *sample,297			       struct machine *machine);298int perf_event__process_namespaces(const struct perf_tool *tool,299				   union perf_event *event,300				   struct perf_sample *sample,301				   struct machine *machine);302int perf_event__process_cgroup(const struct perf_tool *tool,303			       union perf_event *event,304			       struct perf_sample *sample,305			       struct machine *machine);306int perf_event__process_mmap(const struct perf_tool *tool,307			     union perf_event *event,308			     struct perf_sample *sample,309			     struct machine *machine);310int perf_event__process_mmap2(const struct perf_tool *tool,311			     union perf_event *event,312			     struct perf_sample *sample,313			     struct machine *machine);314int perf_event__process_fork(const struct perf_tool *tool,315			     union perf_event *event,316			     struct perf_sample *sample,317			     struct machine *machine);318int perf_event__process_exit(const struct perf_tool *tool,319			     union perf_event *event,320			     struct perf_sample *sample,321			     struct machine *machine);322int perf_event__exit_del_thread(const struct perf_tool *tool,323				union perf_event *event,324				struct perf_sample *sample,325				struct machine *machine);326int perf_event__process_ksymbol(const struct perf_tool *tool,327				union perf_event *event,328				struct perf_sample *sample,329				struct machine *machine);330int perf_event__process_bpf(const struct perf_tool *tool,331			    union perf_event *event,332			    struct perf_sample *sample,333			    struct machine *machine);334int perf_event__process_text_poke(const struct perf_tool *tool,335				  union perf_event *event,336				  struct perf_sample *sample,337				  struct machine *machine);338int perf_event__process(const struct perf_tool *tool,339			union perf_event *event,340			struct perf_sample *sample,341			struct machine *machine);342 343bool is_bts_event(struct perf_event_attr *attr);344bool sample_addr_correlates_sym(struct perf_event_attr *attr);345 346const char *perf_event__name(unsigned int id);347 348size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);349size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);350size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);351size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);352size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);353size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);354size_t perf_event__fprintf_aux_output_hw_id(union perf_event *event, FILE *fp);355size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);356size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);357size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);358size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);359size_t perf_event__fprintf_cgroup(union perf_event *event, FILE *fp);360size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp);361size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp);362size_t perf_event__fprintf_text_poke(union perf_event *event, struct machine *machine,FILE *fp);363size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FILE *fp);364 365int kallsyms__get_function_start(const char *kallsyms_filename,366				 const char *symbol_name, u64 *addr);367int kallsyms__get_symbol_start(const char *kallsyms_filename,368			       const char *symbol_name, u64 *addr);369 370void event_attr_init(struct perf_event_attr *attr);371 372int perf_event_paranoid(void);373bool perf_event_paranoid_check(int max_level);374 375extern int sysctl_perf_event_max_stack;376extern int sysctl_perf_event_max_contexts_per_stack;377extern unsigned int proc_map_timeout;378 379#define PAGE_SIZE_NAME_LEN	32380char *get_page_size_name(u64 size, char *str);381 382void arch_perf_parse_sample_weight(struct perf_sample *data, const __u64 *array, u64 type);383void arch_perf_synthesize_sample_weight(const struct perf_sample *data, __u64 *array, u64 type);384const char *arch_perf_header_entry(const char *se_header);385int arch_support_sort_key(const char *sort_key);386 387static inline bool perf_event_header__cpumode_is_guest(u8 cpumode)388{389	return cpumode == PERF_RECORD_MISC_GUEST_KERNEL ||390	       cpumode == PERF_RECORD_MISC_GUEST_USER;391}392 393static inline bool perf_event_header__misc_is_guest(u16 misc)394{395	return perf_event_header__cpumode_is_guest(misc & PERF_RECORD_MISC_CPUMODE_MASK);396}397 398static inline bool perf_event_header__is_guest(const struct perf_event_header *header)399{400	return perf_event_header__misc_is_guest(header->misc);401}402 403static inline bool perf_event__is_guest(const union perf_event *event)404{405	return perf_event_header__is_guest(&event->header);406}407 408#endif /* __PERF_RECORD_H */409