Commit | Line | Data |
---|---|---|
89812fc8 | 1 | |
ac20de6f ZY |
2 | %option reentrant |
3 | %option bison-bridge | |
89812fc8 | 4 | %option prefix="parse_events_" |
08d2f762 | 5 | %option stack |
89812fc8 JO |
6 | |
7 | %{ | |
8 | #include <errno.h> | |
9 | #include "../perf.h" | |
10 | #include "parse-events-bison.h" | |
8f707d84 | 11 | #include "parse-events.h" |
89812fc8 | 12 | |
ac20de6f ZY |
13 | char *parse_events_get_text(yyscan_t yyscanner); |
14 | YYSTYPE *parse_events_get_lval(yyscan_t yyscanner); | |
15 | ||
16 | static int __value(YYSTYPE *yylval, char *str, int base, int token) | |
89812fc8 | 17 | { |
b527bab5 | 18 | u64 num; |
89812fc8 JO |
19 | |
20 | errno = 0; | |
b527bab5 | 21 | num = strtoull(str, NULL, base); |
89812fc8 JO |
22 | if (errno) |
23 | return PE_ERROR; | |
24 | ||
ac20de6f | 25 | yylval->num = num; |
89812fc8 JO |
26 | return token; |
27 | } | |
28 | ||
ac20de6f | 29 | static int value(yyscan_t scanner, int base) |
89812fc8 | 30 | { |
ac20de6f ZY |
31 | YYSTYPE *yylval = parse_events_get_lval(scanner); |
32 | char *text = parse_events_get_text(scanner); | |
33 | ||
34 | return __value(yylval, text, base, PE_VALUE); | |
89812fc8 JO |
35 | } |
36 | ||
ac20de6f | 37 | static int raw(yyscan_t scanner) |
89812fc8 | 38 | { |
ac20de6f ZY |
39 | YYSTYPE *yylval = parse_events_get_lval(scanner); |
40 | char *text = parse_events_get_text(scanner); | |
41 | ||
42 | return __value(yylval, text + 1, 16, PE_RAW); | |
89812fc8 JO |
43 | } |
44 | ||
ac20de6f | 45 | static int str(yyscan_t scanner, int token) |
89812fc8 | 46 | { |
ac20de6f ZY |
47 | YYSTYPE *yylval = parse_events_get_lval(scanner); |
48 | char *text = parse_events_get_text(scanner); | |
49 | ||
50 | yylval->str = strdup(text); | |
89812fc8 JO |
51 | return token; |
52 | } | |
53 | ||
ba32a451 KL |
54 | static int pmu_str_check(yyscan_t scanner) |
55 | { | |
56 | YYSTYPE *yylval = parse_events_get_lval(scanner); | |
57 | char *text = parse_events_get_text(scanner); | |
58 | ||
59 | yylval->str = strdup(text); | |
60 | switch (perf_pmu__parse_check(text)) { | |
61 | case PMU_EVENT_SYMBOL_PREFIX: | |
62 | return PE_PMU_EVENT_PRE; | |
63 | case PMU_EVENT_SYMBOL_SUFFIX: | |
64 | return PE_PMU_EVENT_SUF; | |
65 | case PMU_EVENT_SYMBOL: | |
66 | return PE_KERNEL_PMU_EVENT; | |
67 | default: | |
68 | return PE_NAME; | |
69 | } | |
70 | } | |
71 | ||
ac20de6f | 72 | static int sym(yyscan_t scanner, int type, int config) |
89812fc8 | 73 | { |
ac20de6f ZY |
74 | YYSTYPE *yylval = parse_events_get_lval(scanner); |
75 | ||
76 | yylval->num = (type << 16) + config; | |
cf3506dc | 77 | return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW; |
89812fc8 JO |
78 | } |
79 | ||
ac20de6f | 80 | static int term(yyscan_t scanner, int type) |
8f707d84 | 81 | { |
ac20de6f ZY |
82 | YYSTYPE *yylval = parse_events_get_lval(scanner); |
83 | ||
84 | yylval->num = type; | |
8f707d84 JO |
85 | return PE_TERM; |
86 | } | |
87 | ||
89812fc8 JO |
88 | %} |
89 | ||
08d2f762 | 90 | %x mem |
ac2ba9f3 RR |
91 | %s config |
92 | %x event | |
93 | ||
94 | group [^,{}/]*[{][^}]*[}][^,{}/]* | |
95 | event_pmu [^,{}/]+[/][^/]*[/][^,{}/]* | |
96 | event [^,{}/]+ | |
08d2f762 | 97 | |
89812fc8 JO |
98 | num_dec [0-9]+ |
99 | num_hex 0x[a-fA-F0-9]+ | |
100 | num_raw_hex [a-fA-F0-9]+ | |
101 | name [a-zA-Z_*?][a-zA-Z0-9_*?]* | |
eef9ba98 | 102 | name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?]* |
e9a7c414 ME |
103 | /* If you add a modifier you need to update check_modifier() */ |
104 | modifier_event [ukhpGHSD]+ | |
7582732f | 105 | modifier_bp [rwx]{1,3} |
89812fc8 JO |
106 | |
107 | %% | |
90e2b22d JO |
108 | |
109 | %{ | |
110 | { | |
111 | int start_token; | |
112 | ||
ac2ba9f3 RR |
113 | start_token = parse_events_get_extra(yyscanner); |
114 | ||
115 | if (start_token == PE_START_TERMS) | |
116 | BEGIN(config); | |
117 | else if (start_token == PE_START_EVENTS) | |
118 | BEGIN(event); | |
119 | ||
90e2b22d JO |
120 | if (start_token) { |
121 | parse_events_set_extra(NULL, yyscanner); | |
122 | return start_token; | |
123 | } | |
124 | } | |
125 | %} | |
126 | ||
ac2ba9f3 RR |
127 | <event>{ |
128 | ||
129 | {group} { | |
130 | BEGIN(INITIAL); yyless(0); | |
131 | } | |
132 | ||
133 | {event_pmu} | | |
134 | {event} { | |
135 | str(yyscanner, PE_EVENT_NAME); | |
136 | BEGIN(INITIAL); yyless(0); | |
137 | return PE_EVENT_NAME; | |
138 | } | |
139 | ||
140 | . | | |
141 | <<EOF>> { | |
142 | BEGIN(INITIAL); yyless(0); | |
143 | } | |
144 | ||
145 | } | |
146 | ||
82004223 JO |
147 | <config>{ |
148 | config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); } | |
149 | config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); } | |
150 | config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); } | |
151 | name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); } | |
152 | period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } | |
153 | branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } | |
154 | , { return ','; } | |
155 | "/" { BEGIN(INITIAL); return '/'; } | |
156 | {name_minus} { return str(yyscanner, PE_NAME); } | |
157 | } | |
158 | ||
159 | <mem>{ | |
160 | {modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); } | |
161 | : { return ':'; } | |
162 | {num_dec} { return value(yyscanner, 10); } | |
163 | {num_hex} { return value(yyscanner, 16); } | |
164 | /* | |
165 | * We need to separate 'mem:' scanner part, in order to get specific | |
166 | * modifier bits parsed out. Otherwise we would need to handle PE_NAME | |
167 | * and we'd need to parse it manually. During the escape from <mem> | |
168 | * state we need to put the escaping char back, so we dont miss it. | |
169 | */ | |
170 | . { unput(*yytext); BEGIN(INITIAL); } | |
171 | /* | |
172 | * We destroy the scanner after reaching EOF, | |
173 | * but anyway just to be sure get back to INIT state. | |
174 | */ | |
175 | <<EOF>> { BEGIN(INITIAL); } | |
176 | } | |
177 | ||
ac20de6f ZY |
178 | cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } |
179 | stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } | |
180 | stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } | |
181 | instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } | |
182 | cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } | |
183 | cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } | |
184 | branch-instructions|branches { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } | |
185 | branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } | |
186 | bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } | |
187 | ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); } | |
188 | cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } | |
189 | task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } | |
190 | page-faults|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } | |
191 | minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } | |
192 | major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } | |
193 | context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } | |
194 | cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } | |
195 | alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } | |
196 | emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } | |
d22d1a2a | 197 | dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); } |
89812fc8 | 198 | |
ba32a451 KL |
199 | /* |
200 | * We have to handle the kernel PMU event cycles-ct/cycles-t/mem-loads/mem-stores separately. | |
201 | * Because the prefix cycles is mixed up with cpu-cycles. | |
202 | * loads and stores are mixed up with cache event | |
203 | */ | |
204 | cycles-ct { return str(yyscanner, PE_KERNEL_PMU_EVENT); } | |
205 | cycles-t { return str(yyscanner, PE_KERNEL_PMU_EVENT); } | |
206 | mem-loads { return str(yyscanner, PE_KERNEL_PMU_EVENT); } | |
207 | mem-stores { return str(yyscanner, PE_KERNEL_PMU_EVENT); } | |
208 | ||
89812fc8 JO |
209 | L1-dcache|l1-d|l1d|L1-data | |
210 | L1-icache|l1-i|l1i|L1-instruction | | |
211 | LLC|L2 | | |
212 | dTLB|d-tlb|Data-TLB | | |
213 | iTLB|i-tlb|Instruction-TLB | | |
214 | branch|branches|bpu|btb|bpc | | |
ac20de6f | 215 | node { return str(yyscanner, PE_NAME_CACHE_TYPE); } |
89812fc8 JO |
216 | |
217 | load|loads|read | | |
218 | store|stores|write | | |
219 | prefetch|prefetches | | |
220 | speculative-read|speculative-load | | |
221 | refs|Reference|ops|access | | |
ac20de6f | 222 | misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); } |
89812fc8 | 223 | |
08d2f762 | 224 | mem: { BEGIN(mem); return PE_PREFIX_MEM; } |
ac20de6f ZY |
225 | r{num_raw_hex} { return raw(yyscanner); } |
226 | {num_dec} { return value(yyscanner, 10); } | |
227 | {num_hex} { return value(yyscanner, 16); } | |
89812fc8 | 228 | |
ac20de6f | 229 | {modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); } |
ba32a451 | 230 | {name} { return pmu_str_check(yyscanner); } |
ac2ba9f3 | 231 | "/" { BEGIN(config); return '/'; } |
89812fc8 | 232 | - { return '-'; } |
ac2ba9f3 | 233 | , { BEGIN(event); return ','; } |
89812fc8 | 234 | : { return ':'; } |
ac2ba9f3 | 235 | "{" { BEGIN(event); return '{'; } |
89efb029 | 236 | "}" { return '}'; } |
89812fc8 | 237 | = { return '='; } |
8c5f0a84 | 238 | \n { } |
82004223 | 239 | . { } |
08d2f762 | 240 | |
89812fc8 JO |
241 | %% |
242 | ||
1d037ca1 | 243 | int parse_events_wrap(void *scanner __maybe_unused) |
89812fc8 JO |
244 | { |
245 | return 1; | |
246 | } |