246 lines
4.6 KiB
Plaintext
246 lines
4.6 KiB
Plaintext
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%name-prefix "parse_events_"
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%parse-param {struct list_head *list_all}
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%parse-param {struct list_head *list_event}
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%parse-param {int *idx}
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%{
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#define YYDEBUG 1
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#include <linux/compiler.h>
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#include <linux/list.h>
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#include "types.h"
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#include "util.h"
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#include "parse-events.h"
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extern int parse_events_lex (void);
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#define ABORT_ON(val) \
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do { \
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if (val) \
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YYABORT; \
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} while (0)
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%}
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%token PE_VALUE PE_VALUE_SYM PE_RAW PE_SH_RAW PE_FAB_RAW PE_TERM
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%token PE_NAME
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%token PE_MODIFIER_EVENT PE_MODIFIER_BP
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%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
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%token PE_PREFIX_MEM PE_PREFIX_RAW
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%token PE_ERROR
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%type <num> PE_VALUE
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%type <num> PE_VALUE_SYM
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%type <num> PE_RAW
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%type <num> PE_SH_RAW
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%type <num> PE_FAB_RAW
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%type <num> PE_TERM
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%type <str> PE_NAME
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%type <str> PE_NAME_CACHE_TYPE
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%type <str> PE_NAME_CACHE_OP_RESULT
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%type <str> PE_MODIFIER_EVENT
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%type <str> PE_MODIFIER_BP
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%type <head> event_config
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%type <term> event_term
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%union
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{
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char *str;
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unsigned long num;
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struct list_head *head;
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struct parse_events__term *term;
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}
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%%
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events:
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events ',' event | event
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event:
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event_def PE_MODIFIER_EVENT
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{
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/*
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* Apply modifier on all events added by single event definition
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* (there could be more events added for multiple tracepoint
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* definitions via '*?'.
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*/
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ABORT_ON(parse_events_modifier(list_event, $2));
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parse_events_update_lists(list_event, list_all);
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}
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event_def
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{
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parse_events_update_lists(list_event, list_all);
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}
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event_def: event_pmu |
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event_legacy_symbol |
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event_legacy_cache sep_dc |
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event_legacy_mem |
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event_legacy_tracepoint sep_dc |
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event_legacy_numeric sep_dc |
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event_legacy_raw sep_dc |
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event_legacy_shared_raw sep_dc |
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event_legacy_fabric_raw sep_dc
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event_pmu:
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PE_NAME '/' event_config '/'
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{
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ABORT_ON(parse_events_add_pmu(list_event, idx, $1, $3));
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parse_events__free_terms($3);
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}
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event_legacy_symbol:
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PE_VALUE_SYM '/' event_config '/'
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{
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int type = $1 >> 16;
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int config = $1 & 255;
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ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, $3));
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parse_events__free_terms($3);
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}
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PE_VALUE_SYM sep_slash_dc
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{
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int type = $1 >> 16;
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int config = $1 & 255;
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ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, NULL));
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}
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event_legacy_cache:
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PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
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{
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ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, $5));
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}
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PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
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{
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ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, NULL));
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}
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PE_NAME_CACHE_TYPE
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{
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ABORT_ON(parse_events_add_cache(list_event, idx, $1, NULL, NULL));
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}
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event_legacy_mem:
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PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
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{
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ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, $4));
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}
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PE_PREFIX_MEM PE_VALUE sep_dc
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{
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ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, NULL));
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}
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event_legacy_tracepoint:
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PE_NAME ':' PE_NAME
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{
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ABORT_ON(parse_events_add_tracepoint(list_event, idx, $1, $3));
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}
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event_legacy_numeric:
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PE_VALUE ':' PE_VALUE
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{
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ABORT_ON(parse_events_add_numeric(list_event, idx, $1, $3, NULL));
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}
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event_legacy_raw:
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PE_RAW
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{
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ABORT_ON(parse_events_add_numeric(list_event, idx, PERF_TYPE_RAW, $1, NULL));
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}
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event_legacy_shared_raw:
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PE_SH_RAW
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{
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ABORT_ON(parse_events_add_numeric_legacy(list_event, idx, "msm-l2", $1, NULL));
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}
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event_legacy_fabric_raw:
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PE_FAB_RAW
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{
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ABORT_ON(parse_events_add_numeric_legacy(list_event, idx, "msm-busmon", $1, NULL));
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}
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event_config:
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event_config ',' event_term
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{
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struct list_head *head = $1;
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struct parse_events__term *term = $3;
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ABORT_ON(!head);
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list_add_tail(&term->list, head);
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$$ = $1;
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}
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event_term
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{
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struct list_head *head = malloc(sizeof(*head));
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struct parse_events__term *term = $1;
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ABORT_ON(!head);
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INIT_LIST_HEAD(head);
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list_add_tail(&term->list, head);
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$$ = head;
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}
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event_term:
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PE_NAME '=' PE_NAME
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{
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struct parse_events__term *term;
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ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_STR,
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$1, $3, 0));
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$$ = term;
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}
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PE_NAME '=' PE_VALUE
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{
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struct parse_events__term *term;
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ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM,
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$1, NULL, $3));
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$$ = term;
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}
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PE_NAME
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{
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struct parse_events__term *term;
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ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM,
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$1, NULL, 1));
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$$ = term;
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}
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PE_TERM '=' PE_VALUE
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{
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struct parse_events__term *term;
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ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, $3));
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$$ = term;
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}
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PE_TERM
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{
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struct parse_events__term *term;
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ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, 1));
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$$ = term;
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}
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sep_dc: ':' |
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sep_slash_dc: '/' | ':' |
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%%
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void parse_events_error(struct list_head *list_all __used,
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struct list_head *list_event __used,
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int *idx __used,
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char const *msg __used)
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{
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}
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