8255718f4b
When the user specifies a pmu directly, expand it automatically with a
prefix match for all available PMUs, similar as we do for the normal
aliases now.
This allows to specify attributes for duplicated boxes quickly. For
example uncore_cbox_{0,6}/.../ can be now specified as uncore_cbox/.../
and it gets automatically expanded for all boxes.
This generally makes it more concise to write uncore specifications, and
also avoids the need to know the exact topology of the system.
Before:
% perf stat -a -e uncore_cbox_0/event=0x35,umask=0x1,filter_opc=0x19C/,\
uncore_cbox_1/event=0x35,umask=0x1,filter_opc=0x19C/,\
uncore_cbox_2/event=0x35,umask=0x1,filter_opc=0x19C/,\
uncore_cbox_3/event=0x35,umask=0x1,filter_opc=0x19C/,\
uncore_cbox_4/event=0x35,umask=0x1,filter_opc=0x19C/,\
uncore_cbox_5/event=0x35,umask=0x1,filter_opc=0x19C/ sleep 1
After:
% perf stat -a -e uncore_cbox/event=0x35,umask=0x1,filter_opc=0x19C/ sleep 1
v2: Handle all bison rules. Move multi add code to separate function.
Handle uncore_ prefix correctly.
v3: Move parse_events_multi_pmu_add to separate patch. Move uncore
prefix check to separate patch.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20170320201711.14142-6-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
691 lines
13 KiB
Plaintext
691 lines
13 KiB
Plaintext
%pure-parser
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%parse-param {void *_data}
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%parse-param {void *scanner}
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%lex-param {void* scanner}
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%locations
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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 <linux/types.h>
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#include "util.h"
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#include "pmu.h"
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#include "debug.h"
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#include "parse-events.h"
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#include "parse-events-bison.h"
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void parse_events_error(YYLTYPE *loc, void *data, void *scanner, char const *msg);
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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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#define ALLOC_LIST(list) \
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do { \
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list = malloc(sizeof(*list)); \
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ABORT_ON(!list); \
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INIT_LIST_HEAD(list); \
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} while (0)
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static void inc_group_count(struct list_head *list,
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struct parse_events_evlist *data)
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{
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/* Count groups only have more than 1 members */
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if (!list_is_last(list->next, list))
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data->nr_groups++;
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}
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%}
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%token PE_START_EVENTS PE_START_TERMS
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%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
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%token PE_EVENT_NAME
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%token PE_NAME
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%token PE_BPF_OBJECT PE_BPF_SOURCE
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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 PE_PREFIX_GROUP
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%token PE_ERROR
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%token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
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%token PE_ARRAY_ALL PE_ARRAY_RANGE
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%token PE_DRV_CFG_TERM
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%type <num> PE_VALUE
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%type <num> PE_VALUE_SYM_HW
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%type <num> PE_VALUE_SYM_SW
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%type <num> PE_RAW
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%type <num> PE_TERM
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%type <str> PE_NAME
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%type <str> PE_BPF_OBJECT
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%type <str> PE_BPF_SOURCE
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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 <str> PE_EVENT_NAME
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%type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
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%type <str> PE_DRV_CFG_TERM
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%type <num> value_sym
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%type <head> event_config
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%type <head> opt_event_config
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%type <term> event_term
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%type <head> event_pmu
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%type <head> event_legacy_symbol
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%type <head> event_legacy_cache
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%type <head> event_legacy_mem
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%type <head> event_legacy_tracepoint
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%type <tracepoint_name> tracepoint_name
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%type <head> event_legacy_numeric
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%type <head> event_legacy_raw
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%type <head> event_bpf_file
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%type <head> event_def
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%type <head> event_mod
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%type <head> event_name
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%type <head> event
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%type <head> events
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%type <head> group_def
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%type <head> group
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%type <head> groups
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%type <array> array
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%type <array> array_term
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%type <array> array_terms
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%union
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{
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char *str;
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u64 num;
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struct list_head *head;
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struct parse_events_term *term;
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struct tracepoint_name {
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char *sys;
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char *event;
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} tracepoint_name;
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struct parse_events_array array;
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}
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%%
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start:
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PE_START_EVENTS start_events
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PE_START_TERMS start_terms
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start_events: groups
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{
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struct parse_events_evlist *data = _data;
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parse_events_update_lists($1, &data->list);
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}
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groups:
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groups ',' group
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{
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struct list_head *list = $1;
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struct list_head *group = $3;
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parse_events_update_lists(group, list);
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$$ = list;
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}
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groups ',' event
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{
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struct list_head *list = $1;
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struct list_head *event = $3;
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parse_events_update_lists(event, list);
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$$ = list;
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}
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group
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event
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group:
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group_def ':' PE_MODIFIER_EVENT
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{
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struct list_head *list = $1;
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ABORT_ON(parse_events__modifier_group(list, $3));
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$$ = list;
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}
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group_def
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group_def:
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PE_NAME '{' events '}'
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{
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struct list_head *list = $3;
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inc_group_count(list, _data);
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parse_events__set_leader($1, list);
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$$ = list;
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}
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'{' events '}'
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{
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struct list_head *list = $2;
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inc_group_count(list, _data);
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parse_events__set_leader(NULL, list);
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$$ = list;
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}
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events:
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events ',' event
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{
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struct list_head *event = $3;
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struct list_head *list = $1;
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parse_events_update_lists(event, list);
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$$ = list;
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}
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event
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event: event_mod
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event_mod:
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event_name PE_MODIFIER_EVENT
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{
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struct list_head *list = $1;
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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_event(list, $2, false));
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$$ = list;
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}
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event_name
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event_name:
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PE_EVENT_NAME event_def
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{
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ABORT_ON(parse_events_name($2, $1));
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free($1);
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$$ = $2;
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}
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event_def
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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_bpf_file
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event_pmu:
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PE_NAME opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list, *orig_terms, *terms;
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if (parse_events_copy_term_list($2, &orig_terms))
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YYABORT;
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ALLOC_LIST(list);
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if (parse_events_add_pmu(data, list, $1, $2)) {
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struct perf_pmu *pmu = NULL;
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int ok = 0;
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while ((pmu = perf_pmu__scan(pmu)) != NULL) {
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char *name = pmu->name;
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if (!strncmp($1, name, strlen($1))) {
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if (parse_events_copy_term_list(orig_terms, &terms))
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YYABORT;
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if (!parse_events_add_pmu(data, list, pmu->name, terms))
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ok++;
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parse_events_terms__delete(terms);
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}
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}
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if (!ok)
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YYABORT;
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}
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parse_events_terms__delete($2);
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parse_events_terms__delete(orig_terms);
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$$ = list;
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}
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PE_KERNEL_PMU_EVENT sep_dc
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{
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struct list_head *list;
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if (parse_events_multi_pmu_add(_data, $1, &list) < 0)
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YYABORT;
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$$ = list;
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}
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PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
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{
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struct list_head *list;
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char pmu_name[128];
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snprintf(&pmu_name, 128, "%s-%s", $1, $3);
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if (parse_events_multi_pmu_add(_data, pmu_name, &list) < 0)
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YYABORT;
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$$ = list;
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}
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value_sym:
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PE_VALUE_SYM_HW
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PE_VALUE_SYM_SW
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event_legacy_symbol:
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value_sym '/' event_config '/'
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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int type = $1 >> 16;
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int config = $1 & 255;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
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parse_events_terms__delete($3);
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$$ = list;
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}
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value_sym sep_slash_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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int type = $1 >> 16;
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int config = $1 & 255;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
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$$ = list;
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}
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event_legacy_cache:
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PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct parse_events_error *error = data->error;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5, error, $6));
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parse_events_terms__delete($6);
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$$ = list;
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}
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PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct parse_events_error *error = data->error;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL, error, $4));
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parse_events_terms__delete($4);
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$$ = list;
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}
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PE_NAME_CACHE_TYPE opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct parse_events_error *error = data->error;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL, error, $2));
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parse_events_terms__delete($2);
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$$ = list;
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}
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event_legacy_mem:
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PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
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(void *) $2, $6, $4));
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$$ = list;
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}
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PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
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(void *) $2, NULL, $4));
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$$ = list;
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}
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PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
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(void *) $2, $4, 0));
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$$ = list;
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}
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PE_PREFIX_MEM PE_VALUE sep_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
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(void *) $2, NULL, 0));
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$$ = list;
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}
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event_legacy_tracepoint:
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tracepoint_name opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct parse_events_error *error = data->error;
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struct list_head *list;
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ALLOC_LIST(list);
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if (error)
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error->idx = @1.first_column;
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if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
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error, $2))
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return -1;
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$$ = list;
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}
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tracepoint_name:
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PE_NAME '-' PE_NAME ':' PE_NAME
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{
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char sys_name[128];
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struct tracepoint_name tracepoint;
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snprintf(&sys_name, 128, "%s-%s", $1, $3);
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tracepoint.sys = &sys_name;
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tracepoint.event = $5;
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$$ = tracepoint;
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}
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PE_NAME ':' PE_NAME
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{
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struct tracepoint_name tracepoint = {$1, $3};
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$$ = tracepoint;
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}
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event_legacy_numeric:
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PE_VALUE ':' PE_VALUE opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, $4));
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parse_events_terms__delete($4);
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$$ = list;
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}
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event_legacy_raw:
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PE_RAW opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, $2));
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parse_events_terms__delete($2);
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$$ = list;
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}
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event_bpf_file:
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PE_BPF_OBJECT opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct parse_events_error *error = data->error;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_load_bpf(data, list, $1, false, $2));
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parse_events_terms__delete($2);
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$$ = list;
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}
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PE_BPF_SOURCE opt_event_config
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list;
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ALLOC_LIST(list);
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ABORT_ON(parse_events_load_bpf(data, list, $1, true, $2));
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parse_events_terms__delete($2);
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$$ = list;
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}
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opt_event_config:
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'/' event_config '/'
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{
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$$ = $2;
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}
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'/' '/'
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{
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$$ = NULL;
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}
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|
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{
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$$ = NULL;
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}
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start_terms: event_config
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{
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struct parse_events_terms *data = _data;
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data->terms = $1;
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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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$$ = $1;
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}
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|
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event_term
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{
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struct list_head *head = malloc(sizeof(*head));
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struct parse_events_term *term = $1;
|
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|
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ABORT_ON(!head);
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INIT_LIST_HEAD(head);
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list_add_tail(&term->list, head);
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$$ = head;
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}
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|
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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_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, $3, &@1, &@3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME '=' PE_VALUE
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, $3, false, &@1, &@3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME '=' PE_VALUE_SYM_HW
|
|
{
|
|
struct parse_events_term *term;
|
|
int config = $3 & 255;
|
|
|
|
ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, 1, true, &@1, NULL));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_VALUE_SYM_HW
|
|
{
|
|
struct parse_events_term *term;
|
|
int config = $1 & 255;
|
|
|
|
ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_TERM '=' PE_NAME
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_TERM '=' PE_VALUE
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_TERM
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME array '=' PE_NAME
|
|
{
|
|
struct parse_events_term *term;
|
|
int i;
|
|
|
|
ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, $4, &@1, &@4));
|
|
|
|
term->array = $2;
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME array '=' PE_VALUE
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, $4, false, &@1, &@4));
|
|
term->array = $2;
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_DRV_CFG_TERM
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
|
|
$1, $1, &@1, NULL));
|
|
$$ = term;
|
|
}
|
|
|
|
array:
|
|
'[' array_terms ']'
|
|
{
|
|
$$ = $2;
|
|
}
|
|
|
|
|
PE_ARRAY_ALL
|
|
{
|
|
$$.nr_ranges = 0;
|
|
$$.ranges = NULL;
|
|
}
|
|
|
|
array_terms:
|
|
array_terms ',' array_term
|
|
{
|
|
struct parse_events_array new_array;
|
|
|
|
new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
|
|
new_array.ranges = malloc(sizeof(new_array.ranges[0]) *
|
|
new_array.nr_ranges);
|
|
ABORT_ON(!new_array.ranges);
|
|
memcpy(&new_array.ranges[0], $1.ranges,
|
|
$1.nr_ranges * sizeof(new_array.ranges[0]));
|
|
memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
|
|
$3.nr_ranges * sizeof(new_array.ranges[0]));
|
|
free($1.ranges);
|
|
free($3.ranges);
|
|
$$ = new_array;
|
|
}
|
|
|
|
|
array_term
|
|
|
|
array_term:
|
|
PE_VALUE
|
|
{
|
|
struct parse_events_array array;
|
|
|
|
array.nr_ranges = 1;
|
|
array.ranges = malloc(sizeof(array.ranges[0]));
|
|
ABORT_ON(!array.ranges);
|
|
array.ranges[0].start = $1;
|
|
array.ranges[0].length = 1;
|
|
$$ = array;
|
|
}
|
|
|
|
|
PE_VALUE PE_ARRAY_RANGE PE_VALUE
|
|
{
|
|
struct parse_events_array array;
|
|
|
|
ABORT_ON($3 < $1);
|
|
array.nr_ranges = 1;
|
|
array.ranges = malloc(sizeof(array.ranges[0]));
|
|
ABORT_ON(!array.ranges);
|
|
array.ranges[0].start = $1;
|
|
array.ranges[0].length = $3 - $1 + 1;
|
|
$$ = array;
|
|
}
|
|
|
|
sep_dc: ':' |
|
|
|
|
sep_slash_dc: '/' | ':' |
|
|
|
|
%%
|
|
|
|
void parse_events_error(YYLTYPE *loc, void *data,
|
|
void *scanner __maybe_unused,
|
|
char const *msg __maybe_unused)
|
|
{
|
|
parse_events_evlist_error(data, loc->last_column, "parser error");
|
|
}
|