Skip to content

K
Kernel

openeuler / Kernel
1 年多 前同步成功

通知 8
Star 0
Fork 0
K
Kernel
切换分支/标签
查找文件 普通视图历史永久链接Permalink
parse-events.y 6.0 KB
Newer Older
Z
perf/tool: Make the event parser re-entrant  
Zheng Yan 已提交
1 
%pure-parser
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
2 
%name-prefix "parse_events_"
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
3 
%parse-param {void *_data}
Z
perf/tool: Make the event parser re-entrant  
Zheng Yan 已提交
4 5 
%parse-param {void *scanner}
%lex-param {void* scanner}
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
6 7 8 9 10 11 12 13 14 15 

%{

#define YYDEBUG 1

#include <linux/compiler.h>
#include <linux/list.h>
#include "types.h"
#include "util.h"
#include "parse-events.h"
Z
perf/tool: Make the event parser re-entrant  
Zheng Yan 已提交
16 
#include "parse-events-bison.h"
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
17
Z
perf/tool: Make the event parser re-entrant  
Zheng Yan 已提交
18 
extern int parse_events_lex (YYSTYPE* lvalp, void* scanner);
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
19 20 21 22 23 24 25 26 27 

#define ABORT_ON(val) \
do { \
	if (val) \
		YYABORT; \
} while (0)

%}
J
perf/tool: Add support to reuse event grammar to parse out terms  
Jiri Olsa 已提交
28 
%token PE_START_EVENTS PE_START_TERMS
J
perf tools: Split out PE_VALUE_SYM parsing token to SW and HW tokens  
Jiri Olsa 已提交
29 
%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
30 31 32 33 34 35 
%token PE_NAME
%token PE_MODIFIER_EVENT PE_MODIFIER_BP
%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
%token PE_PREFIX_MEM PE_PREFIX_RAW
%token PE_ERROR
%type <num> PE_VALUE
J
perf tools: Split out PE_VALUE_SYM parsing token to SW and HW tokens  
Jiri Olsa 已提交
36 37 
%type <num> PE_VALUE_SYM_HW
%type <num> PE_VALUE_SYM_SW
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
38 
%type <num> PE_RAW
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
39 
%type <num> PE_TERM
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
40 41 42 43 44 
%type <str> PE_NAME
%type <str> PE_NAME_CACHE_TYPE
%type <str> PE_NAME_CACHE_OP_RESULT
%type <str> PE_MODIFIER_EVENT
%type <str> PE_MODIFIER_BP
J
perf tools: Split out PE_VALUE_SYM parsing token to SW and HW tokens  
Jiri Olsa 已提交
45 
%type <num> value_sym
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
46 47 
%type <head> event_config
%type <term> event_term
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
48 49 50 51 52 53 54 55 
%type <head> event_pmu
%type <head> event_legacy_symbol
%type <head> event_legacy_cache
%type <head> event_legacy_mem
%type <head> event_legacy_tracepoint
%type <head> event_legacy_numeric
%type <head> event_legacy_raw
%type <head> event_def
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
56 57 58 59 

%union
{
	char *str;
R
perf tools: Fix parsing of 64 bit raw config value for 32 bit  
Robert Richter 已提交
60 
	u64 num;
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
61 62 
	struct list_head *head;
	struct parse_events__term *term;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
63 64 65 
}
%%
J
perf/tool: Add support to reuse event grammar to parse out terms  
Jiri Olsa 已提交
66 67 68 69 70 
start:
PE_START_EVENTS events
|
PE_START_TERMS  terms
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
71 72 73 74 75 76 
events:
events ',' event | event

event:
event_def PE_MODIFIER_EVENT
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
77 78 
	struct parse_events_data__events *data = _data;
J
perf tools: Fix modifier to be applied on correct events  
Jiri Olsa 已提交
79 80 81 82 83 
	/*
	 * Apply modifier on all events added by single event definition
	 * (there could be more events added for multiple tracepoint
	 * definitions via '*?'.
	 */
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
84 
	ABORT_ON(parse_events_modifier($1, $2));
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
85 
	parse_events_update_lists($1, &data->list);
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
86 87 88 
}
|
event_def
J
perf tools: Fix modifier to be applied on correct events  
Jiri Olsa 已提交
89 
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
90 91 92 
	struct parse_events_data__events *data = _data;

	parse_events_update_lists($1, &data->list);
J
perf tools: Fix modifier to be applied on correct events  
Jiri Olsa 已提交
93 
}
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
94
J
perf tools: Add support to specify pmu style event  
Jiri Olsa 已提交
95 96 
event_def: event_pmu |
	   event_legacy_symbol |
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
97 98 99 100 101 102 
	   event_legacy_cache sep_dc |
	   event_legacy_mem |
	   event_legacy_tracepoint sep_dc |
	   event_legacy_numeric sep_dc |
	   event_legacy_raw sep_dc
J
perf tools: Add support to specify pmu style event  
Jiri Olsa 已提交
103 104 105 
event_pmu:
PE_NAME '/' event_config '/'
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
106 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
107 108 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
109 
	ABORT_ON(parse_events_add_pmu(&list, &data->idx, $1, $3));
J
perf tools: Add support to specify pmu style event  
Jiri Olsa 已提交
110 
	parse_events__free_terms($3);
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
111 
	$$ = list;
J
perf tools: Add support to specify pmu style event  
Jiri Olsa 已提交
112 113 
}
J
perf tools: Split out PE_VALUE_SYM parsing token to SW and HW tokens  
Jiri Olsa 已提交
114 115 116 117 118 
value_sym:
PE_VALUE_SYM_HW
|
PE_VALUE_SYM_SW
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
119 
event_legacy_symbol:
J
perf tools: Split out PE_VALUE_SYM parsing token to SW and HW tokens  
Jiri Olsa 已提交
120 
value_sym '/' event_config '/'
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
121 
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
122 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
123 
	struct list_head *list = NULL;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
124 125 126 
	int type = $1 >> 16;
	int config = $1 & 255;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
127 128 
	ABORT_ON(parse_events_add_numeric(&list, &data->idx,
					  type, config, $3));
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
129 
	parse_events__free_terms($3);
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
130 
	$$ = list;
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
131 132 
}
|
J
perf tools: Split out PE_VALUE_SYM parsing token to SW and HW tokens  
Jiri Olsa 已提交
133 
value_sym sep_slash_dc
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
134 
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
135 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
136 
	struct list_head *list = NULL;
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
137 138 139 
	int type = $1 >> 16;
	int config = $1 & 255;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
140 141 
	ABORT_ON(parse_events_add_numeric(&list, &data->idx,
					  type, config, NULL));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
142 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
143 144 145 146 147 
}

event_legacy_cache:
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
148 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
149 150 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
151 
	ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, $5));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
152 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
153 154 155 156 
}
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
157 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
158 159 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
160 
	ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, NULL));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
161 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
162 163 164 165 
}
|
PE_NAME_CACHE_TYPE
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
166 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
167 168 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
169 
	ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, NULL, NULL));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
170 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
171 172 173 174 175 
}

event_legacy_mem:
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
176 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
177 178 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
179 180 
	ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
					     (void *) $2, $4));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
181 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
182 183 184 185 
}
|
PE_PREFIX_MEM PE_VALUE sep_dc
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
186 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
187 188 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
189 190 
	ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
					     (void *) $2, NULL));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
191 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
192 193 194 195 196 
}

event_legacy_tracepoint:
PE_NAME ':' PE_NAME
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
197 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
198 199 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
200 
	ABORT_ON(parse_events_add_tracepoint(&list, &data->idx, $1, $3));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
201 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
202 203 204 205 206 
}

event_legacy_numeric:
PE_VALUE ':' PE_VALUE
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
207 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
208 209 
	struct list_head *list = NULL;
R
perf tools: Fix parsing of 64 bit raw config value for 32 bit  
Robert Richter 已提交
210 
	ABORT_ON(parse_events_add_numeric(&list, &data->idx, (u32)$1, $3, NULL));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
211 
	$$ = list;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
212 213 214 215 216 
}

event_legacy_raw:
PE_RAW
{
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
217 
	struct parse_events_data__events *data = _data;
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
218 219 
	struct list_head *list = NULL;
J
perf/tool: Use data struct for arg passing in event parse function  
Jiri Olsa 已提交
220 221 
	ABORT_ON(parse_events_add_numeric(&list, &data->idx,
					  PERF_TYPE_RAW, $1, NULL));
J
perf tools: Use allocated list for each parsed event  
Jiri Olsa 已提交
222 
	$$ = list;
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
223 224 
}
J
perf/tool: Add support to reuse event grammar to parse out terms  
Jiri Olsa 已提交
225 226 227 228 229 230 
terms: event_config
{
	struct parse_events_data__terms *data = _data;
	data->terms = $1;
}
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 
event_config:
event_config ',' event_term
{
	struct list_head *head = $1;
	struct parse_events__term *term = $3;

	ABORT_ON(!head);
	list_add_tail(&term->list, head);
	$$ = $1;
}
|
event_term
{
	struct list_head *head = malloc(sizeof(*head));
	struct parse_events__term *term = $1;

	ABORT_ON(!head);
	INIT_LIST_HEAD(head);
	list_add_tail(&term->list, head);
	$$ = head;
}

event_term:
PE_NAME '=' PE_NAME
{
	struct parse_events__term *term;
J
perf tools: Split term type into value type and term type  
Jiri Olsa 已提交
258 259 
	ABORT_ON(parse_events__term_str(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, $3));
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
260 261 262 263 264 265 266 
	$$ = term;
}
|
PE_NAME '=' PE_VALUE
{
	struct parse_events__term *term;
J
perf tools: Split term type into value type and term type  
Jiri Olsa 已提交
267 268 
	ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, $3));
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
269 270 271 272 273 274 275 
	$$ = term;
}
|
PE_NAME
{
	struct parse_events__term *term;
J
perf tools: Split term type into value type and term type  
Jiri Olsa 已提交
276 277 
	ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, 1));
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
278 279 280 
	$$ = term;
}
|
J
perf tools: Add hardcoded name term for pmu events  
Jiri Olsa 已提交
281 282 283 284 
PE_TERM '=' PE_NAME
{
	struct parse_events__term *term;
R
perf tools: Fix parsing of 64 bit raw config value for 32 bit  
Robert Richter 已提交
285 
	ABORT_ON(parse_events__term_str(&term, (int)$1, NULL, $3));
J
perf tools: Add hardcoded name term for pmu events  
Jiri Olsa 已提交
286 287 288 
	$$ = term;
}
|
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
289 290 291 292 
PE_TERM '=' PE_VALUE
{
	struct parse_events__term *term;
R
perf tools: Fix parsing of 64 bit raw config value for 32 bit  
Robert Richter 已提交
293 
	ABORT_ON(parse_events__term_num(&term, (int)$1, NULL, $3));
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
294 295 296 297 298 299 300 
	$$ = term;
}
|
PE_TERM
{
	struct parse_events__term *term;
R
perf tools: Fix parsing of 64 bit raw config value for 32 bit  
Robert Richter 已提交
301 
	ABORT_ON(parse_events__term_num(&term, (int)$1, NULL, 1));
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
302 
	$$ = term;
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
303 304 305 306 
}

sep_dc: ':' |
J
perf tools: Add config options support for event parsing  
Jiri Olsa 已提交
307 308 
sep_slash_dc: '/' | ':' |
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
309 310 
%%
Z
perf/tool: Make the event parser re-entrant  
Zheng Yan 已提交
311 
void parse_events_error(void *data __used, void *scanner __used,
J
perf tools: Add parser generator for events parsing  
Jiri Olsa 已提交
312 313 314 
			char const *msg __used)
{
}