sample-filter.h

 1#ifndef PERF_UTIL_BPF_SKEL_SAMPLE_FILTER_H
 2#define PERF_UTIL_BPF_SKEL_SAMPLE_FILTER_H
 3
 4#define MAX_FILTERS   64
 5#define MAX_IDX_HASH  (16 * 1024)
 6#define MAX_EVT_HASH  (1024 * 1024)
 7
 8/* supported filter operations */
 9enum perf_bpf_filter_op {
10	PBF_OP_EQ,
11	PBF_OP_NEQ,
12	PBF_OP_GT,
13	PBF_OP_GE,
14	PBF_OP_LT,
15	PBF_OP_LE,
16	PBF_OP_AND,
17	PBF_OP_GROUP_BEGIN,
18	PBF_OP_GROUP_END,
19	PBF_OP_DONE,
20};
21
22enum perf_bpf_filter_term {
23	/* No term is in use. */
24	PBF_TERM_NONE = 0,
25	/* Terms that correspond to PERF_SAMPLE_xx values. */
26	PBF_TERM_SAMPLE_START	= PBF_TERM_NONE + 1,
27	PBF_TERM_IP		= PBF_TERM_SAMPLE_START + 0, /* SAMPLE_IP = 1U << 0 */
28	PBF_TERM_TID		= PBF_TERM_SAMPLE_START + 1, /* SAMPLE_TID = 1U << 1 */
29	PBF_TERM_TIME		= PBF_TERM_SAMPLE_START + 2, /* SAMPLE_TIME = 1U << 2 */
30	PBF_TERM_ADDR		= PBF_TERM_SAMPLE_START + 3, /* SAMPLE_ADDR = 1U << 3 */
31	__PBF_UNUSED_TERM4	= PBF_TERM_SAMPLE_START + 4, /* SAMPLE_READ = 1U << 4 */
32	__PBF_UNUSED_TERM5	= PBF_TERM_SAMPLE_START + 5, /* SAMPLE_CALLCHAIN = 1U << 5 */
33	PBF_TERM_ID		= PBF_TERM_SAMPLE_START + 6, /* SAMPLE_ID = 1U << 6 */
34	PBF_TERM_CPU		= PBF_TERM_SAMPLE_START + 7, /* SAMPLE_CPU = 1U << 7 */
35	PBF_TERM_PERIOD		= PBF_TERM_SAMPLE_START + 8, /* SAMPLE_PERIOD = 1U << 8 */
36	__PBF_UNUSED_TERM9	= PBF_TERM_SAMPLE_START + 9, /* SAMPLE_STREAM_ID = 1U << 9 */
37	__PBF_UNUSED_TERM10	= PBF_TERM_SAMPLE_START + 10, /* SAMPLE_RAW = 1U << 10 */
38	__PBF_UNUSED_TERM11	= PBF_TERM_SAMPLE_START + 11, /* SAMPLE_BRANCH_STACK = 1U << 11 */
39	__PBF_UNUSED_TERM12	= PBF_TERM_SAMPLE_START + 12, /* SAMPLE_REGS_USER = 1U << 12 */
40	__PBF_UNUSED_TERM13	= PBF_TERM_SAMPLE_START + 13, /* SAMPLE_STACK_USER = 1U << 13 */
41	PBF_TERM_WEIGHT		= PBF_TERM_SAMPLE_START + 14, /* SAMPLE_WEIGHT = 1U << 14 */
42	PBF_TERM_DATA_SRC	= PBF_TERM_SAMPLE_START + 15, /* SAMPLE_DATA_SRC = 1U << 15 */
43	__PBF_UNUSED_TERM16	= PBF_TERM_SAMPLE_START + 16, /* SAMPLE_IDENTIFIER = 1U << 16 */
44	PBF_TERM_TRANSACTION	= PBF_TERM_SAMPLE_START + 17, /* SAMPLE_TRANSACTION = 1U << 17 */
45	__PBF_UNUSED_TERM18	= PBF_TERM_SAMPLE_START + 18, /* SAMPLE_REGS_INTR = 1U << 18 */
46	PBF_TERM_PHYS_ADDR	= PBF_TERM_SAMPLE_START + 19, /* SAMPLE_PHYS_ADDR = 1U << 19 */
47	__PBF_UNUSED_TERM20	= PBF_TERM_SAMPLE_START + 20, /* SAMPLE_AUX = 1U << 20 */
48	PBF_TERM_CGROUP		= PBF_TERM_SAMPLE_START + 21, /* SAMPLE_CGROUP = 1U << 21 */
49	PBF_TERM_DATA_PAGE_SIZE	= PBF_TERM_SAMPLE_START + 22, /* SAMPLE_DATA_PAGE_SIZE = 1U << 22 */
50	PBF_TERM_CODE_PAGE_SIZE	= PBF_TERM_SAMPLE_START + 23, /* SAMPLE_CODE_PAGE_SIZE = 1U << 23 */
51	PBF_TERM_WEIGHT_STRUCT	= PBF_TERM_SAMPLE_START + 24, /* SAMPLE_WEIGHT_STRUCT = 1U << 24 */
52	PBF_TERM_SAMPLE_END	= PBF_TERM_WEIGHT_STRUCT,
53	/* Terms computed from BPF helpers. */
54	PBF_TERM_UID,
55	PBF_TERM_GID,
56};
57
58/* BPF map entry for filtering */
59struct perf_bpf_filter_entry {
60	enum perf_bpf_filter_op op;
61	__u32 part; /* sub-sample type info when it has multiple values */
62	enum perf_bpf_filter_term term;
63	__u64 value;
64};
65
66struct idx_hash_key {
67	__u64 evt_id;
68	__u32 tgid;
69	__u32 reserved;
70};
71
72#endif /* PERF_UTIL_BPF_SKEL_SAMPLE_FILTER_H */