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 | ||
ac20de6f | 54 | static int sym(yyscan_t scanner, int type, int config) |
89812fc8 | 55 | { |
ac20de6f ZY |
56 | YYSTYPE *yylval = parse_events_get_lval(scanner); |
57 | ||
58 | yylval->num = (type << 16) + config; | |
cf3506dc | 59 | return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW; |
89812fc8 JO |
60 | } |
61 | ||
ac20de6f | 62 | static int term(yyscan_t scanner, int type) |
8f707d84 | 63 | { |
ac20de6f ZY |
64 | YYSTYPE *yylval = parse_events_get_lval(scanner); |
65 | ||
66 | yylval->num = type; | |
8f707d84 JO |
67 | return PE_TERM; |
68 | } | |
69 | ||
89812fc8 JO |
70 | %} |
71 | ||
08d2f762 | 72 | %x mem |
ac2ba9f3 RR |
73 | %s config |
74 | %x event | |
75 | ||
76 | group [^,{}/]*[{][^}]*[}][^,{}/]* | |
77 | event_pmu [^,{}/]+[/][^/]*[/][^,{}/]* | |
78 | event [^,{}/]+ | |
08d2f762 | 79 | |
89812fc8 JO |
80 | num_dec [0-9]+ |
81 | num_hex 0x[a-fA-F0-9]+ | |
82 | num_raw_hex [a-fA-F0-9]+ | |
83 | name [a-zA-Z_*?][a-zA-Z0-9_*?]* | |
eef9ba98 | 84 | name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?]* |
e9a7c414 ME |
85 | /* If you add a modifier you need to update check_modifier() */ |
86 | modifier_event [ukhpGHSD]+ | |
7582732f | 87 | modifier_bp [rwx]{1,3} |
89812fc8 JO |
88 | |
89 | %% | |
90e2b22d JO |
90 | |
91 | %{ | |
92 | { | |
93 | int start_token; | |
94 | ||
ac2ba9f3 RR |
95 | start_token = parse_events_get_extra(yyscanner); |
96 | ||
97 | if (start_token == PE_START_TERMS) | |
98 | BEGIN(config); | |
99 | else if (start_token == PE_START_EVENTS) | |
100 | BEGIN(event); | |
101 | ||
90e2b22d JO |
102 | if (start_token) { |
103 | parse_events_set_extra(NULL, yyscanner); | |
104 | return start_token; | |
105 | } | |
106 | } | |
107 | %} | |
108 | ||
ac2ba9f3 RR |
109 | <event>{ |
110 | ||
111 | {group} { | |
112 | BEGIN(INITIAL); yyless(0); | |
113 | } | |
114 | ||
115 | {event_pmu} | | |
116 | {event} { | |
117 | str(yyscanner, PE_EVENT_NAME); | |
118 | BEGIN(INITIAL); yyless(0); | |
119 | return PE_EVENT_NAME; | |
120 | } | |
121 | ||
122 | . | | |
123 | <<EOF>> { | |
124 | BEGIN(INITIAL); yyless(0); | |
125 | } | |
126 | ||
127 | } | |
128 | ||
82004223 JO |
129 | <config>{ |
130 | config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); } | |
131 | config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); } | |
132 | config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); } | |
133 | name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); } | |
134 | period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } | |
135 | branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } | |
136 | , { return ','; } | |
137 | "/" { BEGIN(INITIAL); return '/'; } | |
138 | {name_minus} { return str(yyscanner, PE_NAME); } | |
139 | } | |
140 | ||
141 | <mem>{ | |
142 | {modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); } | |
143 | : { return ':'; } | |
144 | {num_dec} { return value(yyscanner, 10); } | |
145 | {num_hex} { return value(yyscanner, 16); } | |
146 | /* | |
147 | * We need to separate 'mem:' scanner part, in order to get specific | |
148 | * modifier bits parsed out. Otherwise we would need to handle PE_NAME | |
149 | * and we'd need to parse it manually. During the escape from <mem> | |
150 | * state we need to put the escaping char back, so we dont miss it. | |
151 | */ | |
152 | . { unput(*yytext); BEGIN(INITIAL); } | |
153 | /* | |
154 | * We destroy the scanner after reaching EOF, | |
155 | * but anyway just to be sure get back to INIT state. | |
156 | */ | |
157 | <<EOF>> { BEGIN(INITIAL); } | |
158 | } | |
159 | ||
ac20de6f ZY |
160 | cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } |
161 | stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } | |
162 | stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } | |
163 | instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } | |
164 | cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } | |
165 | cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } | |
166 | branch-instructions|branches { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } | |
167 | branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } | |
168 | bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } | |
169 | ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); } | |
170 | cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } | |
171 | task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } | |
172 | page-faults|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } | |
173 | minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } | |
174 | major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } | |
175 | context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } | |
176 | cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } | |
177 | alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } | |
178 | emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } | |
d22d1a2a | 179 | dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); } |
89812fc8 JO |
180 | |
181 | L1-dcache|l1-d|l1d|L1-data | | |
182 | L1-icache|l1-i|l1i|L1-instruction | | |
183 | LLC|L2 | | |
184 | dTLB|d-tlb|Data-TLB | | |
185 | iTLB|i-tlb|Instruction-TLB | | |
186 | branch|branches|bpu|btb|bpc | | |
ac20de6f | 187 | node { return str(yyscanner, PE_NAME_CACHE_TYPE); } |
89812fc8 JO |
188 | |
189 | load|loads|read | | |
190 | store|stores|write | | |
191 | prefetch|prefetches | | |
192 | speculative-read|speculative-load | | |
193 | refs|Reference|ops|access | | |
ac20de6f | 194 | misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); } |
89812fc8 | 195 | |
08d2f762 | 196 | mem: { BEGIN(mem); return PE_PREFIX_MEM; } |
ac20de6f ZY |
197 | r{num_raw_hex} { return raw(yyscanner); } |
198 | {num_dec} { return value(yyscanner, 10); } | |
199 | {num_hex} { return value(yyscanner, 16); } | |
89812fc8 | 200 | |
ac20de6f ZY |
201 | {modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); } |
202 | {name} { return str(yyscanner, PE_NAME); } | |
ac2ba9f3 | 203 | "/" { BEGIN(config); return '/'; } |
89812fc8 | 204 | - { return '-'; } |
ac2ba9f3 | 205 | , { BEGIN(event); return ','; } |
89812fc8 | 206 | : { return ':'; } |
ac2ba9f3 | 207 | "{" { BEGIN(event); return '{'; } |
89efb029 | 208 | "}" { return '}'; } |
89812fc8 | 209 | = { return '='; } |
8c5f0a84 | 210 | \n { } |
82004223 | 211 | . { } |
08d2f762 | 212 | |
89812fc8 JO |
213 | %% |
214 | ||
1d037ca1 | 215 | int parse_events_wrap(void *scanner __maybe_unused) |
89812fc8 JO |
216 | { |
217 | return 1; | |
218 | } |