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ca125277 ACM |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | #include <inttypes.h> | |
3 | #include <stdio.h> | |
4 | #include <stdbool.h> | |
5 | #include <linux/kernel.h> | |
6 | #include <linux/types.h> | |
7 | #include <linux/perf_event.h> | |
8 | #include "util/evsel_fprintf.h" | |
9 | ||
10 | struct bit_names { | |
11 | int bit; | |
12 | const char *name; | |
13 | }; | |
14 | ||
15 | static void __p_bits(char *buf, size_t size, u64 value, struct bit_names *bits) | |
16 | { | |
17 | bool first_bit = true; | |
18 | int i = 0; | |
19 | ||
20 | do { | |
21 | if (value & bits[i].bit) { | |
22 | buf += scnprintf(buf, size, "%s%s", first_bit ? "" : "|", bits[i].name); | |
23 | first_bit = false; | |
24 | } | |
25 | } while (bits[++i].name != NULL); | |
26 | } | |
27 | ||
28 | static void __p_sample_type(char *buf, size_t size, u64 value) | |
29 | { | |
30 | #define bit_name(n) { PERF_SAMPLE_##n, #n } | |
31 | struct bit_names bits[] = { | |
32 | bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR), | |
33 | bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU), | |
34 | bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW), | |
35 | bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER), | |
36 | bit_name(IDENTIFIER), bit_name(REGS_INTR), bit_name(DATA_SRC), | |
98dcf14d | 37 | bit_name(WEIGHT), bit_name(PHYS_ADDR), bit_name(AUX), |
c1de7f3d | 38 | bit_name(CGROUP), bit_name(DATA_PAGE_SIZE), bit_name(CODE_PAGE_SIZE), |
ea8d0ed6 | 39 | bit_name(WEIGHT_STRUCT), |
ca125277 ACM |
40 | { .name = NULL, } |
41 | }; | |
42 | #undef bit_name | |
43 | __p_bits(buf, size, value, bits); | |
44 | } | |
45 | ||
46 | static void __p_branch_sample_type(char *buf, size_t size, u64 value) | |
47 | { | |
48 | #define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n } | |
49 | struct bit_names bits[] = { | |
50 | bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY), | |
51 | bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL), | |
52 | bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX), | |
53 | bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP), | |
54 | bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES), | |
bcb96ce6 | 55 | bit_name(TYPE_SAVE), bit_name(HW_INDEX), bit_name(PRIV_SAVE), |
ca125277 ACM |
56 | { .name = NULL, } |
57 | }; | |
58 | #undef bit_name | |
59 | __p_bits(buf, size, value, bits); | |
60 | } | |
61 | ||
62 | static void __p_read_format(char *buf, size_t size, u64 value) | |
63 | { | |
64 | #define bit_name(n) { PERF_FORMAT_##n, #n } | |
65 | struct bit_names bits[] = { | |
66 | bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING), | |
a8d68cc4 | 67 | bit_name(ID), bit_name(GROUP), bit_name(LOST), |
ca125277 ACM |
68 | { .name = NULL, } |
69 | }; | |
70 | #undef bit_name | |
71 | __p_bits(buf, size, value, bits); | |
72 | } | |
73 | ||
74 | #define BUF_SIZE 1024 | |
75 | ||
76 | #define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val)) | |
77 | #define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val)) | |
78 | #define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val)) | |
79 | #define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val) | |
80 | #define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val) | |
81 | #define p_read_format(val) __p_read_format(buf, BUF_SIZE, val) | |
82 | ||
83 | #define PRINT_ATTRn(_n, _f, _p) \ | |
84 | do { \ | |
85 | if (attr->_f) { \ | |
86 | _p(attr->_f); \ | |
87 | ret += attr__fprintf(fp, _n, buf, priv);\ | |
88 | } \ | |
89 | } while (0) | |
90 | ||
91 | #define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p) | |
92 | ||
93 | int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, | |
94 | attr__fprintf_f attr__fprintf, void *priv) | |
95 | { | |
96 | char buf[BUF_SIZE]; | |
97 | int ret = 0; | |
98 | ||
99 | PRINT_ATTRf(type, p_unsigned); | |
100 | PRINT_ATTRf(size, p_unsigned); | |
101 | PRINT_ATTRf(config, p_hex); | |
102 | PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned); | |
103 | PRINT_ATTRf(sample_type, p_sample_type); | |
104 | PRINT_ATTRf(read_format, p_read_format); | |
105 | ||
106 | PRINT_ATTRf(disabled, p_unsigned); | |
107 | PRINT_ATTRf(inherit, p_unsigned); | |
108 | PRINT_ATTRf(pinned, p_unsigned); | |
109 | PRINT_ATTRf(exclusive, p_unsigned); | |
110 | PRINT_ATTRf(exclude_user, p_unsigned); | |
111 | PRINT_ATTRf(exclude_kernel, p_unsigned); | |
112 | PRINT_ATTRf(exclude_hv, p_unsigned); | |
113 | PRINT_ATTRf(exclude_idle, p_unsigned); | |
114 | PRINT_ATTRf(mmap, p_unsigned); | |
115 | PRINT_ATTRf(comm, p_unsigned); | |
116 | PRINT_ATTRf(freq, p_unsigned); | |
117 | PRINT_ATTRf(inherit_stat, p_unsigned); | |
118 | PRINT_ATTRf(enable_on_exec, p_unsigned); | |
119 | PRINT_ATTRf(task, p_unsigned); | |
120 | PRINT_ATTRf(watermark, p_unsigned); | |
121 | PRINT_ATTRf(precise_ip, p_unsigned); | |
122 | PRINT_ATTRf(mmap_data, p_unsigned); | |
123 | PRINT_ATTRf(sample_id_all, p_unsigned); | |
124 | PRINT_ATTRf(exclude_host, p_unsigned); | |
125 | PRINT_ATTRf(exclude_guest, p_unsigned); | |
126 | PRINT_ATTRf(exclude_callchain_kernel, p_unsigned); | |
127 | PRINT_ATTRf(exclude_callchain_user, p_unsigned); | |
128 | PRINT_ATTRf(mmap2, p_unsigned); | |
129 | PRINT_ATTRf(comm_exec, p_unsigned); | |
130 | PRINT_ATTRf(use_clockid, p_unsigned); | |
131 | PRINT_ATTRf(context_switch, p_unsigned); | |
132 | PRINT_ATTRf(write_backward, p_unsigned); | |
133 | PRINT_ATTRf(namespaces, p_unsigned); | |
134 | PRINT_ATTRf(ksymbol, p_unsigned); | |
135 | PRINT_ATTRf(bpf_event, p_unsigned); | |
136 | PRINT_ATTRf(aux_output, p_unsigned); | |
ba78c1c5 | 137 | PRINT_ATTRf(cgroup, p_unsigned); |
e29386c8 JO |
138 | PRINT_ATTRf(text_poke, p_unsigned); |
139 | PRINT_ATTRf(build_id, p_unsigned); | |
eb34363a AH |
140 | PRINT_ATTRf(inherit_thread, p_unsigned); |
141 | PRINT_ATTRf(remove_on_exec, p_unsigned); | |
142 | PRINT_ATTRf(sigtrap, p_unsigned); | |
ca125277 ACM |
143 | |
144 | PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned); | |
145 | PRINT_ATTRf(bp_type, p_unsigned); | |
146 | PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex); | |
147 | PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex); | |
148 | PRINT_ATTRf(branch_sample_type, p_branch_sample_type); | |
149 | PRINT_ATTRf(sample_regs_user, p_hex); | |
150 | PRINT_ATTRf(sample_stack_user, p_unsigned); | |
151 | PRINT_ATTRf(clockid, p_signed); | |
152 | PRINT_ATTRf(sample_regs_intr, p_hex); | |
153 | PRINT_ATTRf(aux_watermark, p_unsigned); | |
154 | PRINT_ATTRf(sample_max_stack, p_unsigned); | |
98dcf14d | 155 | PRINT_ATTRf(aux_sample_size, p_unsigned); |
eb34363a | 156 | PRINT_ATTRf(sig_data, p_unsigned); |
ca125277 ACM |
157 | |
158 | return ret; | |
159 | } |