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 JO |
17 | { |
18 | long num; | |
19 | ||
20 | errno = 0; | |
21 | num = strtoul(str, NULL, base); | |
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 JO |
72 | %x mem |
73 | ||
89812fc8 JO |
74 | num_dec [0-9]+ |
75 | num_hex 0x[a-fA-F0-9]+ | |
76 | num_raw_hex [a-fA-F0-9]+ | |
77 | name [a-zA-Z_*?][a-zA-Z0-9_*?]* | |
e7c72d88 | 78 | modifier_event [ukhpGH]{1,8} |
7582732f | 79 | modifier_bp [rwx]{1,3} |
89812fc8 JO |
80 | |
81 | %% | |
90e2b22d JO |
82 | |
83 | %{ | |
84 | { | |
85 | int start_token; | |
86 | ||
87 | start_token = (int) parse_events_get_extra(yyscanner); | |
88 | if (start_token) { | |
89 | parse_events_set_extra(NULL, yyscanner); | |
90 | return start_token; | |
91 | } | |
92 | } | |
93 | %} | |
94 | ||
ac20de6f ZY |
95 | cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } |
96 | stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } | |
97 | stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } | |
98 | instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } | |
99 | cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } | |
100 | cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } | |
101 | branch-instructions|branches { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } | |
102 | branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } | |
103 | bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } | |
104 | ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); } | |
105 | cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } | |
106 | task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } | |
107 | page-faults|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } | |
108 | minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } | |
109 | major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } | |
110 | context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } | |
111 | cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } | |
112 | alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } | |
113 | emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } | |
89812fc8 JO |
114 | |
115 | L1-dcache|l1-d|l1d|L1-data | | |
116 | L1-icache|l1-i|l1i|L1-instruction | | |
117 | LLC|L2 | | |
118 | dTLB|d-tlb|Data-TLB | | |
119 | iTLB|i-tlb|Instruction-TLB | | |
120 | branch|branches|bpu|btb|bpc | | |
ac20de6f | 121 | node { return str(yyscanner, PE_NAME_CACHE_TYPE); } |
89812fc8 JO |
122 | |
123 | load|loads|read | | |
124 | store|stores|write | | |
125 | prefetch|prefetches | | |
126 | speculative-read|speculative-load | | |
127 | refs|Reference|ops|access | | |
ac20de6f | 128 | misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); } |
89812fc8 | 129 | |
8f707d84 JO |
130 | /* |
131 | * These are event config hardcoded term names to be specified | |
132 | * within xxx/.../ syntax. So far we dont clash with other names, | |
133 | * so we can put them here directly. In case the we have a conflict | |
134 | * in future, this needs to go into '//' condition block. | |
135 | */ | |
ac20de6f ZY |
136 | config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); } |
137 | config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); } | |
138 | config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); } | |
139 | name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); } | |
140 | period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } | |
141 | branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } | |
8f707d84 | 142 | |
08d2f762 | 143 | mem: { BEGIN(mem); return PE_PREFIX_MEM; } |
ac20de6f ZY |
144 | r{num_raw_hex} { return raw(yyscanner); } |
145 | {num_dec} { return value(yyscanner, 10); } | |
146 | {num_hex} { return value(yyscanner, 16); } | |
89812fc8 | 147 | |
ac20de6f ZY |
148 | {modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); } |
149 | {name} { return str(yyscanner, PE_NAME); } | |
89812fc8 JO |
150 | "/" { return '/'; } |
151 | - { return '-'; } | |
152 | , { return ','; } | |
153 | : { return ':'; } | |
154 | = { return '='; } | |
8c5f0a84 | 155 | \n { } |
89812fc8 | 156 | |
08d2f762 | 157 | <mem>{ |
ac20de6f | 158 | {modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); } |
08d2f762 | 159 | : { return ':'; } |
ac20de6f ZY |
160 | {num_dec} { return value(yyscanner, 10); } |
161 | {num_hex} { return value(yyscanner, 16); } | |
08d2f762 JO |
162 | /* |
163 | * We need to separate 'mem:' scanner part, in order to get specific | |
164 | * modifier bits parsed out. Otherwise we would need to handle PE_NAME | |
165 | * and we'd need to parse it manually. During the escape from <mem> | |
166 | * state we need to put the escaping char back, so we dont miss it. | |
167 | */ | |
ac20de6f | 168 | . { unput(*yytext); BEGIN(INITIAL); } |
08d2f762 JO |
169 | /* |
170 | * We destroy the scanner after reaching EOF, | |
171 | * but anyway just to be sure get back to INIT state. | |
172 | */ | |
173 | <<EOF>> { BEGIN(INITIAL); } | |
174 | } | |
175 | ||
89812fc8 JO |
176 | %% |
177 | ||
ac20de6f | 178 | int parse_events_wrap(void *scanner __used) |
89812fc8 JO |
179 | { |
180 | return 1; | |
181 | } |