Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) #ifndef _PERF_BRANCH_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #define _PERF_BRANCH_H 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * The linux/stddef.h isn't need here, but is needed for __always_inline used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * in files included from uapi/linux/perf_event.h such as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * detected in at least musl libc, used in Alpine Linux. -acme
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/perf_event.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "event.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct branch_flags {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		u64 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 			u64 mispred:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 			u64 predicted:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 			u64 in_tx:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 			u64 abort:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 			u64 cycles:16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 			u64 type:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			u64 reserved:40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct branch_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct addr_map_symbol from;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	struct addr_map_symbol to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct branch_flags    flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	char		       *srcline_from;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	char		       *srcline_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct branch_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	u64			from;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	u64			to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	struct branch_flags	flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct branch_stack {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	u64			nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	u64			hw_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	struct branch_entry	entries[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)  * The hw_idx is only available when PERF_SAMPLE_BRANCH_HW_INDEX is applied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)  * Otherwise, the output format of a sample with branch stack is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)  * struct branch_stack {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)  *	u64			nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)  *	struct branch_entry	entries[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)  * }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)  * Check whether the hw_idx is available,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)  * and return the corresponding pointer of entries[0].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static inline struct branch_entry *perf_sample__branch_entries(struct perf_sample *sample)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	u64 *entry = (u64 *)sample->branch_stack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	entry++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	if (sample->no_hw_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 		return (struct branch_entry *)entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	return (struct branch_entry *)(++entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct branch_type_stat {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	bool	branch_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	u64	counts[PERF_BR_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 	u64	cond_fwd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	u64	cond_bwd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 	u64	cross_4k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	u64	cross_2m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) void branch_type_count(struct branch_type_stat *st, struct branch_flags *flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 		       u64 from, u64 to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) const char *branch_type_name(int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) void branch_type_stat_display(FILE *fp, struct branch_type_stat *st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int branch_type_str(struct branch_type_stat *st, char *bf, int bfsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #endif /* _PERF_BRANCH_H */