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hc
2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6 
 kernel/include/uapi/linux/perf_event.h
....@@ -141,8 +141,10 @@
141141 	PERF_SAMPLE_TRANSACTION			= 1U << 17,
142142 	PERF_SAMPLE_REGS_INTR			= 1U << 18,
143143 	PERF_SAMPLE_PHYS_ADDR			= 1U << 19,
144
+	PERF_SAMPLE_AUX				= 1U << 20,
145
+	PERF_SAMPLE_CGROUP			= 1U << 21,
144146 
145
-	PERF_SAMPLE_MAX = 1U << 20,		/* non-ABI */
147
+	PERF_SAMPLE_MAX = 1U << 22,		/* non-ABI */
146148 
147149 	__PERF_SAMPLE_CALLCHAIN_EARLY		= 1ULL << 63, /* non-ABI; internal use */
148150 };
....@@ -180,6 +182,8 @@
180182 
181183 	PERF_SAMPLE_BRANCH_TYPE_SAVE_SHIFT	= 16, /* save branch type */
182184 
185
+	PERF_SAMPLE_BRANCH_HW_INDEX_SHIFT	= 17, /* save low level index of raw branch records */
186
+
183187 	PERF_SAMPLE_BRANCH_MAX_SHIFT		/* non-ABI */
184188 };
185189 
....@@ -206,6 +210,8 @@
206210 
207211 	PERF_SAMPLE_BRANCH_TYPE_SAVE	=
208212 		1U << PERF_SAMPLE_BRANCH_TYPE_SAVE_SHIFT,
213
+
214
+	PERF_SAMPLE_BRANCH_HW_INDEX	= 1U << PERF_SAMPLE_BRANCH_HW_INDEX_SHIFT,
209215 
210216 	PERF_SAMPLE_BRANCH_MAX		= 1U << PERF_SAMPLE_BRANCH_MAX_SHIFT,
211217 };
....@@ -300,6 +306,7 @@
300306 					/* add: sample_stack_user */
301307 #define PERF_ATTR_SIZE_VER4	104	/* add: sample_regs_intr */
302308 #define PERF_ATTR_SIZE_VER5	112	/* add: aux_watermark */
309
+#define PERF_ATTR_SIZE_VER6	120	/* add: aux_sample_size */
303310 
304311 /*
305312  * Hardware event_id to monitor via a performance monitoring event:
....@@ -372,7 +379,12 @@
372379 				context_switch :  1, /* context switch data */
373380 				write_backward :  1, /* Write ring buffer from end to beginning */
374381 				namespaces     :  1, /* include namespaces data */
375
-				__reserved_1   : 35;
382
+				ksymbol        :  1, /* include ksymbol events */
383
+				bpf_event      :  1, /* include bpf events */
384
+				aux_output     :  1, /* generate AUX records instead of events */
385
+				cgroup         :  1, /* include cgroup events */
386
+				text_poke      :  1, /* include text poke events */
387
+				__reserved_1   : 30;
376388 
377389 	union {
378390 		__u32		wakeup_events;	  /* wakeup every n events */
....@@ -421,7 +433,9 @@
421433 	 */
422434 	__u32	aux_watermark;
423435 	__u16	sample_max_stack;
424
-	__u16	__reserved_2;	/* align to __u64 */
436
+	__u16	__reserved_2;
437
+	__u32	aux_sample_size;
438
+	__u32	__reserved_3;
425439 };
426440 
427441 /*
....@@ -444,8 +458,6 @@
444458 	 */
445459 	__u32	ids[0];
446460 };
447
-
448
-#define perf_flags(attr)	(*(&(attr)->read_format + 1))
449461 
450462 /*
451463  * Ioctls that can be done on a perf event fd:
....@@ -521,9 +533,10 @@
521533 				cap_bit0_is_deprecated	: 1, /* Always 1, signals that bit 0 is zero */
522534 
523535 				cap_user_rdpmc		: 1, /* The RDPMC instruction can be used to read counts */
524
-				cap_user_time		: 1, /* The time_* fields are used */
536
+				cap_user_time		: 1, /* The time_{shift,mult,offset} fields are used */
525537 				cap_user_time_zero	: 1, /* The time_zero field is used */
526
-				cap_____res		: 59;
538
+				cap_user_time_short	: 1, /* the time_{cycle,mask} fields are used */
539
+				cap_____res		: 58;
527540 		};
528541 	};
529542 
....@@ -582,13 +595,29 @@
582595 	 *               ((rem * time_mult) >> time_shift);
583596 	 */
584597 	__u64	time_zero;
598
+
585599 	__u32	size;			/* Header size up to __reserved[] fields. */
600
+	__u32	__reserved_1;
601
+
602
+	/*
603
+	 * If cap_usr_time_short, the hardware clock is less than 64bit wide
604
+	 * and we must compute the 'cyc' value, as used by cap_usr_time, as:
605
+	 *
606
+	 *   cyc = time_cycles + ((cyc - time_cycles) & time_mask)
607
+	 *
608
+	 * NOTE: this form is explicitly chosen such that cap_usr_time_short
609
+	 *       is a correction on top of cap_usr_time, and code that doesn't
610
+	 *       know about cap_usr_time_short still works under the assumption
611
+	 *       the counter doesn't wrap.
612
+	 */
613
+	__u64	time_cycles;
614
+	__u64	time_mask;
586615 
587616 		/*
588617 		 * Hole for extension of the self monitor capabilities
589618 		 */
590619 
591
-	__u8	__reserved[118*8+4];	/* align to 1k. */
620
+	__u8	__reserved[116*8];	/* align to 1k. */
592621 
593622 	/*
594623 	 * Control data for the mmap() data buffer.
....@@ -646,10 +675,12 @@
646675  *
647676  *   PERF_RECORD_MISC_MMAP_DATA  - PERF_RECORD_MMAP* events
648677  *   PERF_RECORD_MISC_COMM_EXEC  - PERF_RECORD_COMM event
678
+ *   PERF_RECORD_MISC_FORK_EXEC  - PERF_RECORD_FORK event (perf internal)
649679  *   PERF_RECORD_MISC_SWITCH_OUT - PERF_RECORD_SWITCH* events
650680  */
651681 #define PERF_RECORD_MISC_MMAP_DATA		(1 << 13)
652682 #define PERF_RECORD_MISC_COMM_EXEC		(1 << 13)
683
+#define PERF_RECORD_MISC_FORK_EXEC		(1 << 13)
653684 #define PERF_RECORD_MISC_SWITCH_OUT		(1 << 13)
654685 /*
655686  * These PERF_RECORD_MISC_* flags below are safely reused
....@@ -846,7 +877,9 @@
846877 	 *	  char                  data[size];}&& PERF_SAMPLE_RAW
847878 	 *
848879 	 *	{ u64                   nr;
849
-	 *        { u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
880
+	 *	  { u64	hw_idx; } && PERF_SAMPLE_BRANCH_HW_INDEX
881
+	 *        { u64 from, to, flags } lbr[nr];
882
+	 *      } && PERF_SAMPLE_BRANCH_STACK
850883 	 *
851884 	 * 	{ u64			abi; # enum perf_sample_regs_abi
852885 	 * 	  u64			regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER
....@@ -861,6 +894,8 @@
861894 	 *	{ u64			abi; # enum perf_sample_regs_abi
862895 	 *	  u64			regs[weight(mask)]; } && PERF_SAMPLE_REGS_INTR
863896 	 *	{ u64			phys_addr;} && PERF_SAMPLE_PHYS_ADDR
897
+	 *	{ u64			size;
898
+	 *	  char			data[size]; } && PERF_SAMPLE_AUX
864899 	 * };
865900 	 */
866901 	PERF_RECORD_SAMPLE			= 9,
....@@ -963,7 +998,89 @@
963998 	 */
964999 	PERF_RECORD_NAMESPACES			= 16,
9651000 
1001
+	/*
1002
+	 * Record ksymbol register/unregister events:
1003
+	 *
1004
+	 * struct {
1005
+	 *	struct perf_event_header	header;
1006
+	 *	u64				addr;
1007
+	 *	u32				len;
1008
+	 *	u16				ksym_type;
1009
+	 *	u16				flags;
1010
+	 *	char				name[];
1011
+	 *	struct sample_id		sample_id;
1012
+	 * };
1013
+	 */
1014
+	PERF_RECORD_KSYMBOL			= 17,
1015
+
1016
+	/*
1017
+	 * Record bpf events:
1018
+	 *  enum perf_bpf_event_type {
1019
+	 *	PERF_BPF_EVENT_UNKNOWN		= 0,
1020
+	 *	PERF_BPF_EVENT_PROG_LOAD	= 1,
1021
+	 *	PERF_BPF_EVENT_PROG_UNLOAD	= 2,
1022
+	 *  };
1023
+	 *
1024
+	 * struct {
1025
+	 *	struct perf_event_header	header;
1026
+	 *	u16				type;
1027
+	 *	u16				flags;
1028
+	 *	u32				id;
1029
+	 *	u8				tag[BPF_TAG_SIZE];
1030
+	 *	struct sample_id		sample_id;
1031
+	 * };
1032
+	 */
1033
+	PERF_RECORD_BPF_EVENT			= 18,
1034
+
1035
+	/*
1036
+	 * struct {
1037
+	 *	struct perf_event_header	header;
1038
+	 *	u64				id;
1039
+	 *	char				path[];
1040
+	 *	struct sample_id		sample_id;
1041
+	 * };
1042
+	 */
1043
+	PERF_RECORD_CGROUP			= 19,
1044
+
1045
+	/*
1046
+	 * Records changes to kernel text i.e. self-modified code. 'old_len' is
1047
+	 * the number of old bytes, 'new_len' is the number of new bytes. Either
1048
+	 * 'old_len' or 'new_len' may be zero to indicate, for example, the
1049
+	 * addition or removal of a trampoline. 'bytes' contains the old bytes
1050
+	 * followed immediately by the new bytes.
1051
+	 *
1052
+	 * struct {
1053
+	 *	struct perf_event_header	header;
1054
+	 *	u64				addr;
1055
+	 *	u16				old_len;
1056
+	 *	u16				new_len;
1057
+	 *	u8				bytes[];
1058
+	 *	struct sample_id		sample_id;
1059
+	 * };
1060
+	 */
1061
+	PERF_RECORD_TEXT_POKE			= 20,
1062
+
9661063 	PERF_RECORD_MAX,			/* non-ABI */
1064
+};
1065
+
1066
+enum perf_record_ksymbol_type {
1067
+	PERF_RECORD_KSYMBOL_TYPE_UNKNOWN	= 0,
1068
+	PERF_RECORD_KSYMBOL_TYPE_BPF		= 1,
1069
+	/*
1070
+	 * Out of line code such as kprobe-replaced instructions or optimized
1071
+	 * kprobes or ftrace trampolines.
1072
+	 */
1073
+	PERF_RECORD_KSYMBOL_TYPE_OOL		= 2,
1074
+	PERF_RECORD_KSYMBOL_TYPE_MAX		/* non-ABI */
1075
+};
1076
+
1077
+#define PERF_RECORD_KSYMBOL_FLAGS_UNREGISTER	(1 << 0)
1078
+
1079
+enum perf_bpf_event_type {
1080
+	PERF_BPF_EVENT_UNKNOWN		= 0,
1081
+	PERF_BPF_EVENT_PROG_LOAD	= 1,
1082
+	PERF_BPF_EVENT_PROG_UNLOAD	= 2,
1083
+	PERF_BPF_EVENT_MAX,		/* non-ABI */
9671084 };
9681085 
9691086 #define PERF_MAX_STACK_DEPTH		127
....@@ -984,10 +1101,15 @@
9841101 /**
9851102  * PERF_RECORD_AUX::flags bits
9861103  */
987
-#define PERF_AUX_FLAG_TRUNCATED		0x01	/* record was truncated to fit */
988
-#define PERF_AUX_FLAG_OVERWRITE		0x02	/* snapshot from overwrite mode */
989
-#define PERF_AUX_FLAG_PARTIAL		0x04	/* record contains gaps */
990
-#define PERF_AUX_FLAG_COLLISION		0x08	/* sample collided with another */
1104
+#define PERF_AUX_FLAG_TRUNCATED			0x01	/* record was truncated to fit */
1105
+#define PERF_AUX_FLAG_OVERWRITE			0x02	/* snapshot from overwrite mode */
1106
+#define PERF_AUX_FLAG_PARTIAL			0x04	/* record contains gaps */
1107
+#define PERF_AUX_FLAG_COLLISION			0x08	/* sample collided with another */
1108
+#define PERF_AUX_FLAG_PMU_FORMAT_TYPE_MASK	0xff00	/* PMU specific trace format type */
1109
+
1110
+/* CoreSight PMU AUX buffer formats */
1111
+#define PERF_AUX_FLAG_CORESIGHT_FORMAT_CORESIGHT	0x0000 /* Default for backward compatibility */
1112
+#define PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW		0x0100 /* Raw format of the source */
9911113 
9921114 #define PERF_FLAG_FD_NO_GROUP		(1UL << 0)
9931115 #define PERF_FLAG_FD_OUTPUT		(1UL << 1)