[mirror_ubuntu-zesty-kernel.git] / tools / perf / util / parse-events.l


%option reentrant
%option bison-bridge
%option prefix="parse_events_"
%option stack
%option bison-locations
%option yylineno

%{
#include <errno.h>
#include "../perf.h"
#include "parse-events-bison.h"
#include "parse-events.h"

char *parse_events_get_text(yyscan_t yyscanner);
YYSTYPE *parse_events_get_lval(yyscan_t yyscanner);

static int __value(YYSTYPE *yylval, char *str, int base, int token)
{
	u64 num;

	errno = 0;
	num = strtoull(str, NULL, base);
	if (errno)
		return PE_ERROR;

	yylval->num = num;
	return token;
}

static int value(yyscan_t scanner, int base)
{
	YYSTYPE *yylval = parse_events_get_lval(scanner);
	char *text = parse_events_get_text(scanner);

	return __value(yylval, text, base, PE_VALUE);
}

static int raw(yyscan_t scanner)
{
	YYSTYPE *yylval = parse_events_get_lval(scanner);
	char *text = parse_events_get_text(scanner);

	return __value(yylval, text + 1, 16, PE_RAW);
}

static int str(yyscan_t scanner, int token)
{
	YYSTYPE *yylval = parse_events_get_lval(scanner);
	char *text = parse_events_get_text(scanner);

	yylval->str = strdup(text);
	return token;
}

#define REWIND(__alloc)				\
do {								\
	YYSTYPE *__yylval = parse_events_get_lval(yyscanner);	\
	char *text = parse_events_get_text(yyscanner);		\
								\
	if (__alloc)						\
		__yylval->str = strdup(text);			\
								\
	yycolumn -= strlen(text);				\
	yyless(0);						\
} while (0)

static int pmu_str_check(yyscan_t scanner)
{
	YYSTYPE *yylval = parse_events_get_lval(scanner);
	char *text = parse_events_get_text(scanner);

	yylval->str = strdup(text);
	switch (perf_pmu__parse_check(text)) {
		case PMU_EVENT_SYMBOL_PREFIX:
			return PE_PMU_EVENT_PRE;
		case PMU_EVENT_SYMBOL_SUFFIX:
			return PE_PMU_EVENT_SUF;
		case PMU_EVENT_SYMBOL:
			return PE_KERNEL_PMU_EVENT;
		default:
			return PE_NAME;
	}
}

static int sym(yyscan_t scanner, int type, int config)
{
	YYSTYPE *yylval = parse_events_get_lval(scanner);

	yylval->num = (type << 16) + config;
	return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW;
}

static int term(yyscan_t scanner, int type)
{
	YYSTYPE *yylval = parse_events_get_lval(scanner);

	yylval->num = type;
	return PE_TERM;
}

#define YY_USER_ACTION					\
do {							\
	yylloc->last_column  = yylloc->first_column;	\
	yylloc->first_column = yycolumn;		\
	yycolumn += yyleng;				\
} while (0);

%}

%x mem
%s config
%x event

group		[^,{}/]*[{][^}]*[}][^,{}/]*
event_pmu	[^,{}/]+[/][^/]*[/][^,{}/]*
event		[^,{}/]+
bpf_object	.*\.(o|bpf)
bpf_source	.*\.c

num_dec		[0-9]+
num_hex		0x[a-fA-F0-9]+
num_raw_hex	[a-fA-F0-9]+
name		[a-zA-Z_*?][a-zA-Z0-9_*?.]*
name_minus	[a-zA-Z_*?][a-zA-Z0-9\-_*?.]*
/* If you add a modifier you need to update check_modifier() */
modifier_event	[ukhpPGHSDI]+
modifier_bp	[rwx]{1,3}

%%

%{
	{
		int start_token;

		start_token = parse_events_get_extra(yyscanner);

		if (start_token == PE_START_TERMS)
			BEGIN(config);
		else if (start_token == PE_START_EVENTS)
			BEGIN(event);

		if (start_token) {
			parse_events_set_extra(NULL, yyscanner);
			/*
			 * The flex parser does not init locations variable
			 * via the scan_string interface, so we need do the
			 * init in here.
			 */
			yycolumn = 0;
			return start_token;
		}
         }
%}

<event>{

{group}		{
			BEGIN(INITIAL);
			REWIND(0);
		}

{event_pmu}	|
{bpf_object}	|
{bpf_source}	|
{event}		{
			BEGIN(INITIAL);
			REWIND(1);
			return PE_EVENT_NAME;
		}

<<EOF>>		{
			BEGIN(INITIAL);
			REWIND(0);
		}

}

<config>{
	/*
	 * Please update parse_events_formats_error_string any time
	 * new static term is added.
	 */
config			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); }
config1			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); }
config2			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); }
name			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); }
period			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
freq			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ); }
branch_type		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); }
time			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_TIME); }
call-graph		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CALLGRAPH); }
stack-size		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_STACKSIZE); }
inherit			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_INHERIT); }
no-inherit		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOINHERIT); }
,			{ return ','; }
"/"			{ BEGIN(INITIAL); return '/'; }
{name_minus}		{ return str(yyscanner, PE_NAME); }
}

<mem>{
{modifier_bp}		{ return str(yyscanner, PE_MODIFIER_BP); }
:			{ return ':'; }
"/"			{ return '/'; }
{num_dec}		{ return value(yyscanner, 10); }
{num_hex}		{ return value(yyscanner, 16); }
	/*
	 * We need to separate 'mem:' scanner part, in order to get specific
	 * modifier bits parsed out. Otherwise we would need to handle PE_NAME
	 * and we'd need to parse it manually. During the escape from <mem>
	 * state we need to put the escaping char back, so we dont miss it.
	 */
.			{ unput(*yytext); BEGIN(INITIAL); }
	/*
	 * We destroy the scanner after reaching EOF,
	 * but anyway just to be sure get back to INIT state.
	 */
<<EOF>>			{ BEGIN(INITIAL); }
}

cpu-cycles|cycles				{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); }
stalled-cycles-frontend|idle-cycles-frontend	{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); }
stalled-cycles-backend|idle-cycles-backend	{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); }
instructions					{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); }
cache-references				{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); }
cache-misses					{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); }
branch-instructions|branches			{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); }
branch-misses					{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); }
bus-cycles					{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); }
ref-cycles					{ return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); }
cpu-clock					{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); }
task-clock					{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); }
page-faults|faults				{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); }
minor-faults					{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); }
major-faults					{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); }
context-switches|cs				{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); }
cpu-migrations|migrations			{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); }
alignment-faults				{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); }
emulation-faults				{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); }
dummy						{ return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); }

	/*
	 * We have to handle the kernel PMU event cycles-ct/cycles-t/mem-loads/mem-stores separately.
	 * Because the prefix cycles is mixed up with cpu-cycles.
	 * loads and stores are mixed up with cache event
	 */
cycles-ct					{ return str(yyscanner, PE_KERNEL_PMU_EVENT); }
cycles-t					{ return str(yyscanner, PE_KERNEL_PMU_EVENT); }
mem-loads					{ return str(yyscanner, PE_KERNEL_PMU_EVENT); }
mem-stores					{ return str(yyscanner, PE_KERNEL_PMU_EVENT); }

L1-dcache|l1-d|l1d|L1-data		|
L1-icache|l1-i|l1i|L1-instruction	|
LLC|L2					|
dTLB|d-tlb|Data-TLB			|
iTLB|i-tlb|Instruction-TLB		|
branch|branches|bpu|btb|bpc		|
node					{ return str(yyscanner, PE_NAME_CACHE_TYPE); }

load|loads|read				|
store|stores|write			|
prefetch|prefetches			|
speculative-read|speculative-load	|
refs|Reference|ops|access		|
misses|miss				{ return str(yyscanner, PE_NAME_CACHE_OP_RESULT); }

mem:			{ BEGIN(mem); return PE_PREFIX_MEM; }
r{num_raw_hex}		{ return raw(yyscanner); }
{num_dec}		{ return value(yyscanner, 10); }
{num_hex}		{ return value(yyscanner, 16); }

{modifier_event}	{ return str(yyscanner, PE_MODIFIER_EVENT); }
{bpf_object}		{ return str(yyscanner, PE_BPF_OBJECT); }
{bpf_source}		{ return str(yyscanner, PE_BPF_SOURCE); }
{name}			{ return pmu_str_check(yyscanner); }
"/"			{ BEGIN(config); return '/'; }
-			{ return '-'; }
,			{ BEGIN(event); return ','; }
:			{ return ':'; }
"{"			{ BEGIN(event); return '{'; }
"}"			{ return '}'; }
=			{ return '='; }
\n			{ }
.			{ }

%%

int parse_events_wrap(void *scanner __maybe_unused)
{
	return 1;
}
Commit	Line	Data
89812fc8	1
ac20de6f ZY	2	%option reentrant
ac20de6f ZY	3	%option bison-bridge
89812fc8	4	%option prefix="parse_events_"
08d2f762	5	%option stack
6297d423 JO	6	%option bison-locations
6297d423 JO	7	%option yylineno
89812fc8 JO	8
	9	%{
	10	#include <errno.h>
	11	#include "../perf.h"
	12	#include "parse-events-bison.h"
8f707d84	13	#include "parse-events.h"
89812fc8	14
ac20de6f ZY	15	char *parse_events_get_text(yyscan_t yyscanner);
	16	YYSTYPE *parse_events_get_lval(yyscan_t yyscanner);
	17
	18	static int __value(YYSTYPE yylval, char str, int base, int token)
89812fc8	19	{
b527bab5	20	u64 num;
89812fc8 JO	21
89812fc8 JO	22	errno = 0;
b527bab5	23	num = strtoull(str, NULL, base);
89812fc8 JO	24	if (errno)
	25	return PE_ERROR;
	26
ac20de6f	27	yylval->num = num;
89812fc8 JO	28	return token;
	29	}
	30
ac20de6f	31	static int value(yyscan_t scanner, int base)
89812fc8	32	{
ac20de6f ZY	33	YYSTYPE *yylval = parse_events_get_lval(scanner);
	34	char *text = parse_events_get_text(scanner);
	35
	36	return __value(yylval, text, base, PE_VALUE);
89812fc8 JO	37	}
89812fc8 JO	38
ac20de6f	39	static int raw(yyscan_t scanner)
89812fc8	40	{
ac20de6f ZY	41	YYSTYPE *yylval = parse_events_get_lval(scanner);
	42	char *text = parse_events_get_text(scanner);
	43
	44	return __value(yylval, text + 1, 16, PE_RAW);
89812fc8 JO	45	}
89812fc8 JO	46
ac20de6f	47	static int str(yyscan_t scanner, int token)
89812fc8	48	{
ac20de6f ZY	49	YYSTYPE *yylval = parse_events_get_lval(scanner);
	50	char *text = parse_events_get_text(scanner);
	51
	52	yylval->str = strdup(text);
89812fc8 JO	53	return token;
	54	}
	55
6297d423 JO	56	#define REWIND(__alloc) \
	57	do { \
	58	YYSTYPE *__yylval = parse_events_get_lval(yyscanner); \
	59	char *text = parse_events_get_text(yyscanner); \
	60	\
	61	if (__alloc) \
	62	__yylval->str = strdup(text); \
	63	\
	64	yycolumn -= strlen(text); \
	65	yyless(0); \
	66	} while (0)
	67
ba32a451 KL	68	static int pmu_str_check(yyscan_t scanner)
	69	{
	70	YYSTYPE *yylval = parse_events_get_lval(scanner);
	71	char *text = parse_events_get_text(scanner);
	72
	73	yylval->str = strdup(text);
	74	switch (perf_pmu__parse_check(text)) {
	75	case PMU_EVENT_SYMBOL_PREFIX:
	76	return PE_PMU_EVENT_PRE;
	77	case PMU_EVENT_SYMBOL_SUFFIX:
	78	return PE_PMU_EVENT_SUF;
	79	case PMU_EVENT_SYMBOL:
	80	return PE_KERNEL_PMU_EVENT;
	81	default:
	82	return PE_NAME;
	83	}
	84	}
	85
ac20de6f	86	static int sym(yyscan_t scanner, int type, int config)
89812fc8	87	{
ac20de6f ZY	88	YYSTYPE *yylval = parse_events_get_lval(scanner);
	89
	90	yylval->num = (type << 16) + config;
cf3506dc	91	return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW;
89812fc8 JO	92	}
89812fc8 JO	93
ac20de6f	94	static int term(yyscan_t scanner, int type)
8f707d84	95	{
ac20de6f ZY	96	YYSTYPE *yylval = parse_events_get_lval(scanner);
	97
	98	yylval->num = type;
8f707d84 JO	99	return PE_TERM;
	100	}
	101
6297d423 JO	102	#define YY_USER_ACTION \
	103	do { \
	104	yylloc->last_column = yylloc->first_column; \
	105	yylloc->first_column = yycolumn; \
	106	yycolumn += yyleng; \
	107	} while (0);
	108
89812fc8 JO	109	%}
89812fc8 JO	110
08d2f762	111	%x mem
ac2ba9f3 RR	112	%s config
	113	%x event
	114
	115	group [^,{}/][{][^}][}][^,{}/]*
	116	event_pmu [^,{}/]+[/][^/][/][^,{}/]
	117	event [^,{}/]+
84c86ca1	118	bpf_object .*\.(o\|bpf)
d509db04	119	bpf_source .*\.c
08d2f762	120
89812fc8 JO	121	num_dec [0-9]+
	122	num_hex 0x[a-fA-F0-9]+
	123	num_raw_hex [a-fA-F0-9]+
5b021ddf AK	124	name [a-zA-Z_?][a-zA-Z0-9_?.]*
5b021ddf AK	125	name_minus [a-zA-Z_?][a-zA-Z0-9\-_?.]*
e9a7c414	126	/* If you add a modifier you need to update check_modifier() */
7f94af7a	127	modifier_event [ukhpPGHSDI]+
7582732f	128	modifier_bp [rwx]{1,3}
89812fc8 JO	129
89812fc8 JO	130	%%
90e2b22d JO	131
	132	%{
	133	{
	134	int start_token;
	135
ac2ba9f3 RR	136	start_token = parse_events_get_extra(yyscanner);
	137
	138	if (start_token == PE_START_TERMS)
	139	BEGIN(config);
	140	else if (start_token == PE_START_EVENTS)
	141	BEGIN(event);
	142
90e2b22d JO	143	if (start_token) {
90e2b22d JO	144	parse_events_set_extra(NULL, yyscanner);
6297d423 JO	145	/*
	146	* The flex parser does not init locations variable
	147	* via the scan_string interface, so we need do the
	148	* init in here.
	149	*/
	150	yycolumn = 0;
90e2b22d JO	151	return start_token;
	152	}
	153	}
	154	%}
	155
ac2ba9f3 RR	156	<event>{
	157
	158	{group} {
6297d423 JO	159	BEGIN(INITIAL);
6297d423 JO	160	REWIND(0);
ac2ba9f3 RR	161	}
	162
	163	{event_pmu} \|
84c86ca1	164	{bpf_object} \|
d509db04	165	{bpf_source} \|
ac2ba9f3	166	{event} {
6297d423 JO	167	BEGIN(INITIAL);
6297d423 JO	168	REWIND(1);
ac2ba9f3 RR	169	return PE_EVENT_NAME;
	170	}
	171
ac2ba9f3	172	<<EOF>> {
6297d423 JO	173	BEGIN(INITIAL);
6297d423 JO	174	REWIND(0);
ac2ba9f3 RR	175	}
	176
	177	}
	178
82004223	179	<config>{
e64b020b	180	/*
ffeb883e	181	* Please update parse_events_formats_error_string any time
e64b020b JO	182	* new static term is added.
e64b020b JO	183	*/
82004223 JO	184	config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); }
	185	config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); }
	186	config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); }
	187	name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); }
	188	period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
09af2a55	189	freq { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ); }
82004223	190	branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); }
32067712	191	time { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_TIME); }
d457c963 KL	192	call-graph { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CALLGRAPH); }
d457c963 KL	193	stack-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_STACKSIZE); }
374ce938 WN	194	inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_INHERIT); }
374ce938 WN	195	no-inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOINHERIT); }
82004223 JO	196	, { return ','; }
	197	"/" { BEGIN(INITIAL); return '/'; }
	198	{name_minus} { return str(yyscanner, PE_NAME); }
	199	}
	200
	201	<mem>{
	202	{modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); }
	203	: { return ':'; }
3741eb9f	204	"/" { return '/'; }
82004223 JO	205	{num_dec} { return value(yyscanner, 10); }
	206	{num_hex} { return value(yyscanner, 16); }
	207	/*
	208	* We need to separate 'mem:' scanner part, in order to get specific
	209	* modifier bits parsed out. Otherwise we would need to handle PE_NAME
	210	* and we'd need to parse it manually. During the escape from <mem>
	211	* state we need to put the escaping char back, so we dont miss it.
	212	*/
	213	. { unput(*yytext); BEGIN(INITIAL); }
	214	/*
	215	* We destroy the scanner after reaching EOF,
	216	* but anyway just to be sure get back to INIT state.
	217	*/
	218	<<EOF>> { BEGIN(INITIAL); }
	219	}
	220
ac20de6f ZY	221	cpu-cycles\|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); }
	222	stalled-cycles-frontend\|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); }
	223	stalled-cycles-backend\|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); }
	224	instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); }
	225	cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); }
	226	cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); }
	227	branch-instructions\|branches { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); }
	228	branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); }
	229	bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); }
	230	ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); }
	231	cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); }
	232	task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); }
	233	page-faults\|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); }
	234	minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); }
	235	major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); }
	236	context-switches\|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); }
	237	cpu-migrations\|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); }
	238	alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); }
	239	emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); }
d22d1a2a	240	dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); }
89812fc8	241
ba32a451 KL	242	/*
	243	* We have to handle the kernel PMU event cycles-ct/cycles-t/mem-loads/mem-stores separately.
	244	* Because the prefix cycles is mixed up with cpu-cycles.
	245	* loads and stores are mixed up with cache event
	246	*/
	247	cycles-ct { return str(yyscanner, PE_KERNEL_PMU_EVENT); }
	248	cycles-t { return str(yyscanner, PE_KERNEL_PMU_EVENT); }
	249	mem-loads { return str(yyscanner, PE_KERNEL_PMU_EVENT); }
	250	mem-stores { return str(yyscanner, PE_KERNEL_PMU_EVENT); }
	251
89812fc8 JO	252	L1-dcache\|l1-d\|l1d\|L1-data \|
	253	L1-icache\|l1-i\|l1i\|L1-instruction \|
	254	LLC\|L2 \|
	255	dTLB\|d-tlb\|Data-TLB \|
	256	iTLB\|i-tlb\|Instruction-TLB \|
	257	branch\|branches\|bpu\|btb\|bpc \|
ac20de6f	258	node { return str(yyscanner, PE_NAME_CACHE_TYPE); }
89812fc8 JO	259
	260	load\|loads\|read \|
	261	store\|stores\|write \|
	262	prefetch\|prefetches \|
	263	speculative-read\|speculative-load \|
	264	refs\|Reference\|ops\|access \|
ac20de6f	265	misses\|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); }
89812fc8	266
08d2f762	267	mem: { BEGIN(mem); return PE_PREFIX_MEM; }
ac20de6f ZY	268	r{num_raw_hex} { return raw(yyscanner); }
	269	{num_dec} { return value(yyscanner, 10); }
	270	{num_hex} { return value(yyscanner, 16); }
89812fc8	271
ac20de6f	272	{modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); }
84c86ca1	273	{bpf_object} { return str(yyscanner, PE_BPF_OBJECT); }
d509db04	274	{bpf_source} { return str(yyscanner, PE_BPF_SOURCE); }
ba32a451	275	{name} { return pmu_str_check(yyscanner); }
ac2ba9f3	276	"/" { BEGIN(config); return '/'; }
89812fc8	277	- { return '-'; }
ac2ba9f3	278	, { BEGIN(event); return ','; }
89812fc8	279	: { return ':'; }
ac2ba9f3	280	"{" { BEGIN(event); return '{'; }
89efb029	281	"}" { return '}'; }
89812fc8	282	= { return '='; }
8c5f0a84	283	\n { }
82004223	284	. { }
08d2f762	285
89812fc8 JO	286	%%
89812fc8 JO	287
1d037ca1	288	int parse_events_wrap(void *scanner __maybe_unused)
89812fc8 JO	289	{
	290	return 1;
	291	}