*/
term = list_entry(term->list.next, struct parse_events_term, list);
TEST_ASSERT_VAL("wrong type term",
- term->type_term == PARSE_EVENTS__TERM_TYPE_USER);
+ term->type_term == PARSE_EVENTS__TERM_TYPE_RAW);
TEST_ASSERT_VAL("wrong type val",
- term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
- TEST_ASSERT_VAL("wrong val", term->val.num == 1);
- TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "read"));
+ term->type_val == PARSE_EVENTS__TERM_TYPE_STR);
+ TEST_ASSERT_VAL("wrong val", !strcmp(term->val.str, "read"));
+ TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "raw"));
/*
* r0xead
*/
term = list_entry(term->list.next, struct parse_events_term, list);
TEST_ASSERT_VAL("wrong type term",
- term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG);
+ term->type_term == PARSE_EVENTS__TERM_TYPE_RAW);
TEST_ASSERT_VAL("wrong type val",
- term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
- TEST_ASSERT_VAL("wrong val", term->val.num == 0xead);
- TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config"));
+ term->type_val == PARSE_EVENTS__TERM_TYPE_STR);
+ TEST_ASSERT_VAL("wrong val", !strcmp(term->val.str, "r0xead"));
+ TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "raw"));
return TEST_OK;
}
return -ENOMEM;
parse_events_error__init(&err);
- perf_pmu__test_parse_init();
ret = __parse_events(evlist, str, &err, &perf_pmu__fake, /*warn_if_reordered=*/true);
if (ret) {
pr_debug("failed to parse event '%s', err %d, str '%s'\n",
INIT_LIST_HEAD(&terms);
- /*
- * The perf_pmu__test_parse_init prepares perf_pmu_events_list
- * which gets freed in parse_events_terms.
- */
- if (perf_pmu__test_parse_init())
- return -1;
-
ret = parse_events_terms(&terms, t->str);
if (ret) {
pr_debug("failed to parse terms '%s', err %d\n",
for (cur = strchr(dup, '@') ; cur; cur = strchr(++cur, '@'))
*cur = '/';
- if (fake_pmu) {
- /*
- * Every call to __parse_events will try to initialize the PMU
- * state from sysfs and then clean it up at the end. Reset the
- * PMU events to the test state so that we don't pick up
- * erroneous prefixes and suffixes.
- */
- perf_pmu__test_parse_init();
- }
ret = __parse_events(evlist, dup, error, fake_pmu, /*warn_if_reordered=*/true);
free(dup);
#define MAX_NAME_LEN 100
-struct perf_pmu_event_symbol {
- char *symbol;
- enum perf_pmu_event_symbol_type type;
-};
-
#ifdef PARSER_DEBUG
extern int parse_events_debug;
#endif
const char *str, char *pmu_name,
struct list_head *list);
-static struct perf_pmu_event_symbol *perf_pmu_events_list;
-/*
- * The variable indicates the number of supported pmu event symbols.
- * 0 means not initialized and ready to init
- * -1 means failed to init, don't try anymore
- * >0 is the number of supported pmu event symbols
- */
-static int perf_pmu_events_list_num;
-
struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = {
.symbol = "cpu-cycles",
return get_config_str(head_terms, PARSE_EVENTS__TERM_TYPE_NAME);
}
+/**
+ * fix_raw - For each raw term see if there is an event (aka alias) in pmu that
+ * matches the raw's string value. If the string value matches an
+ * event then change the term to be an event, if not then change it to
+ * be a config term. For example, "read" may be an event of the PMU or
+ * a raw hex encoding of 0xead. The fix-up is done late so the PMU of
+ * the event can be determined and we don't need to scan all PMUs
+ * ahead-of-time.
+ * @config_terms: the list of terms that may contain a raw term.
+ * @pmu: the PMU to scan for events from.
+ */
+static void fix_raw(struct list_head *config_terms, struct perf_pmu *pmu)
+{
+ struct parse_events_term *term;
+
+ list_for_each_entry(term, config_terms, list) {
+ struct perf_pmu_alias *alias;
+ bool matched = false;
+
+ if (term->type_term != PARSE_EVENTS__TERM_TYPE_RAW)
+ continue;
+
+ list_for_each_entry(alias, &pmu->aliases, list) {
+ if (!strcmp(alias->name, term->val.str)) {
+ free(term->config);
+ term->config = term->val.str;
+ term->type_val = PARSE_EVENTS__TERM_TYPE_NUM;
+ term->type_term = PARSE_EVENTS__TERM_TYPE_USER;
+ term->val.num = 1;
+ term->no_value = true;
+ matched = true;
+ break;
+ }
+ }
+ if (!matched) {
+ u64 num;
+
+ free(term->config);
+ term->config = strdup("config");
+ errno = 0;
+ num = strtoull(term->val.str + 1, NULL, 16);
+ assert(errno == 0);
+ free(term->val.str);
+ term->type_val = PARSE_EVENTS__TERM_TYPE_NUM;
+ term->type_term = PARSE_EVENTS__TERM_TYPE_CONFIG;
+ term->val.num = num;
+ term->no_value = false;
+ }
+ }
+}
+
static struct evsel *
__add_event(struct list_head *list, int *idx,
struct perf_event_attr *attr,
return 0;
}
-static int parse_aliases(char *str, const char *const names[][EVSEL__MAX_ALIASES], int size)
+/**
+ * parse_aliases - search names for entries beginning or equalling str ignoring
+ * case. If mutliple entries in names match str then the longest
+ * is chosen.
+ * @str: The needle to look for.
+ * @names: The haystack to search.
+ * @size: The size of the haystack.
+ * @longest: Out argument giving the length of the matching entry.
+ */
+static int parse_aliases(const char *str, const char *const names[][EVSEL__MAX_ALIASES], int size,
+ int *longest)
{
- int i, j;
- int n, longest = -1;
+ *longest = -1;
+ for (int i = 0; i < size; i++) {
+ for (int j = 0; j < EVSEL__MAX_ALIASES && names[i][j]; j++) {
+ int n = strlen(names[i][j]);
- for (i = 0; i < size; i++) {
- for (j = 0; j < EVSEL__MAX_ALIASES && names[i][j]; j++) {
- n = strlen(names[i][j]);
- if (n > longest && !strncasecmp(str, names[i][j], n))
- longest = n;
+ if (n > *longest && !strncasecmp(str, names[i][j], n))
+ *longest = n;
}
- if (longest > 0)
+ if (*longest > 0)
return i;
}
struct parse_events_error *err,
config_term_func_t config_term);
-int parse_events_add_cache(struct list_head *list, int *idx,
- char *type, char *op_result1, char *op_result2,
+int parse_events_add_cache(struct list_head *list, int *idx, const char *name,
struct parse_events_error *err,
struct list_head *head_config,
struct parse_events_state *parse_state)
{
struct perf_event_attr attr;
LIST_HEAD(config_terms);
- char name[MAX_NAME_LEN];
const char *config_name, *metric_id;
int cache_type = -1, cache_op = -1, cache_result = -1;
- char *op_result[2] = { op_result1, op_result2 };
- int i, n, ret;
+ int ret, len;
+ const char *name_end = &name[strlen(name) + 1];
bool hybrid;
+ const char *str = name;
/*
- * No fallback - if we cannot get a clear cache type
- * then bail out:
+ * Search str for the legacy cache event name composed of 1, 2 or 3
+ * hyphen separated sections. The first section is the cache type while
+ * the others are the optional op and optional result. To make life hard
+ * the names in the table also contain hyphens and the longest name
+ * should always be selected.
*/
- cache_type = parse_aliases(type, evsel__hw_cache, PERF_COUNT_HW_CACHE_MAX);
+ cache_type = parse_aliases(str, evsel__hw_cache, PERF_COUNT_HW_CACHE_MAX, &len);
if (cache_type == -1)
return -EINVAL;
+ str += len + 1;
config_name = get_config_name(head_config);
- n = snprintf(name, MAX_NAME_LEN, "%s", type);
-
- for (i = 0; (i < 2) && (op_result[i]); i++) {
- char *str = op_result[i];
-
- n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str);
-
- if (cache_op == -1) {
+ if (str < name_end) {
+ cache_op = parse_aliases(str, evsel__hw_cache_op,
+ PERF_COUNT_HW_CACHE_OP_MAX, &len);
+ if (cache_op >= 0) {
+ if (!evsel__is_cache_op_valid(cache_type, cache_op))
+ return -EINVAL;
+ str += len + 1;
+ } else {
+ cache_result = parse_aliases(str, evsel__hw_cache_result,
+ PERF_COUNT_HW_CACHE_RESULT_MAX, &len);
+ if (cache_result >= 0)
+ str += len + 1;
+ }
+ }
+ if (str < name_end) {
+ if (cache_op < 0) {
cache_op = parse_aliases(str, evsel__hw_cache_op,
- PERF_COUNT_HW_CACHE_OP_MAX);
+ PERF_COUNT_HW_CACHE_OP_MAX, &len);
if (cache_op >= 0) {
if (!evsel__is_cache_op_valid(cache_type, cache_op))
return -EINVAL;
- continue;
}
- }
-
- if (cache_result == -1) {
+ } else if (cache_result < 0) {
cache_result = parse_aliases(str, evsel__hw_cache_result,
- PERF_COUNT_HW_CACHE_RESULT_MAX);
- if (cache_result >= 0)
- continue;
+ PERF_COUNT_HW_CACHE_RESULT_MAX, &len);
}
}
[PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT] = "aux-output",
[PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE] = "aux-sample-size",
[PARSE_EVENTS__TERM_TYPE_METRIC_ID] = "metric-id",
+ [PARSE_EVENTS__TERM_TYPE_RAW] = "raw",
};
static bool config_term_shrinked;
case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
CHECK_TYPE_VAL(STR);
break;
+ case PARSE_EVENTS__TERM_TYPE_RAW:
+ CHECK_TYPE_VAL(STR);
+ break;
case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
CHECK_TYPE_VAL(NUM);
break;
parse_events_error__handle(err, 0, err_str, NULL);
return -EINVAL;
}
+ if (head_config)
+ fix_raw(head_config, pmu);
if (pmu->default_config) {
memcpy(&attr, pmu->default_config,
return 0;
}
-static int
-comp_pmu(const void *p1, const void *p2)
-{
- struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1;
- struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2;
-
- return strcasecmp(pmu1->symbol, pmu2->symbol);
-}
-
-static void perf_pmu__parse_cleanup(void)
-{
- if (perf_pmu_events_list_num > 0) {
- struct perf_pmu_event_symbol *p;
- int i;
-
- for (i = 0; i < perf_pmu_events_list_num; i++) {
- p = perf_pmu_events_list + i;
- zfree(&p->symbol);
- }
- zfree(&perf_pmu_events_list);
- perf_pmu_events_list_num = 0;
- }
-}
-
-#define SET_SYMBOL(str, stype) \
-do { \
- p->symbol = str; \
- if (!p->symbol) \
- goto err; \
- p->type = stype; \
-} while (0)
-
-/*
- * Read the pmu events list from sysfs
- * Save it into perf_pmu_events_list
- */
-static void perf_pmu__parse_init(void)
-{
-
- struct perf_pmu *pmu = NULL;
- struct perf_pmu_alias *alias;
- int len = 0;
-
- pmu = NULL;
- while ((pmu = perf_pmu__scan(pmu)) != NULL) {
- list_for_each_entry(alias, &pmu->aliases, list) {
- char *tmp = strchr(alias->name, '-');
-
- if (tmp) {
- char *tmp2 = NULL;
-
- tmp2 = strchr(tmp + 1, '-');
- len++;
- if (tmp2)
- len++;
- }
-
- len++;
- }
- }
-
- if (len == 0) {
- perf_pmu_events_list_num = -1;
- return;
- }
- perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len);
- if (!perf_pmu_events_list)
- return;
- perf_pmu_events_list_num = len;
-
- len = 0;
- pmu = NULL;
- while ((pmu = perf_pmu__scan(pmu)) != NULL) {
- list_for_each_entry(alias, &pmu->aliases, list) {
- struct perf_pmu_event_symbol *p = perf_pmu_events_list + len;
- char *tmp = strchr(alias->name, '-');
- char *tmp2 = NULL;
-
- if (tmp)
- tmp2 = strchr(tmp + 1, '-');
- if (tmp2) {
- SET_SYMBOL(strndup(alias->name, tmp - alias->name),
- PMU_EVENT_SYMBOL_PREFIX);
- p++;
- tmp++;
- SET_SYMBOL(strndup(tmp, tmp2 - tmp), PMU_EVENT_SYMBOL_SUFFIX);
- p++;
- SET_SYMBOL(strdup(++tmp2), PMU_EVENT_SYMBOL_SUFFIX2);
- len += 3;
- } else if (tmp) {
- SET_SYMBOL(strndup(alias->name, tmp - alias->name),
- PMU_EVENT_SYMBOL_PREFIX);
- p++;
- SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX);
- len += 2;
- } else {
- SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL);
- len++;
- }
- }
- }
- qsort(perf_pmu_events_list, len,
- sizeof(struct perf_pmu_event_symbol), comp_pmu);
-
- return;
-err:
- perf_pmu__parse_cleanup();
-}
-
-/*
- * This function injects special term in
- * perf_pmu_events_list so the test code
- * can check on this functionality.
- */
-int perf_pmu__test_parse_init(void)
-{
- struct perf_pmu_event_symbol *list, *tmp, symbols[] = {
- {(char *)"read", PMU_EVENT_SYMBOL},
- {(char *)"event", PMU_EVENT_SYMBOL_PREFIX},
- {(char *)"two", PMU_EVENT_SYMBOL_SUFFIX},
- {(char *)"hyphen", PMU_EVENT_SYMBOL_SUFFIX},
- {(char *)"hyph", PMU_EVENT_SYMBOL_SUFFIX2},
- };
- unsigned long i, j;
-
- tmp = list = malloc(sizeof(*list) * ARRAY_SIZE(symbols));
- if (!list)
- return -ENOMEM;
-
- for (i = 0; i < ARRAY_SIZE(symbols); i++, tmp++) {
- tmp->type = symbols[i].type;
- tmp->symbol = strdup(symbols[i].symbol);
- if (!tmp->symbol)
- goto err_free;
- }
-
- perf_pmu_events_list = list;
- perf_pmu_events_list_num = ARRAY_SIZE(symbols);
-
- qsort(perf_pmu_events_list, ARRAY_SIZE(symbols),
- sizeof(struct perf_pmu_event_symbol), comp_pmu);
- return 0;
-
-err_free:
- for (j = 0, tmp = list; j < i; j++, tmp++)
- zfree(&tmp->symbol);
- free(list);
- return -ENOMEM;
-}
-
-enum perf_pmu_event_symbol_type
-perf_pmu__parse_check(const char *name)
-{
- struct perf_pmu_event_symbol p, *r;
-
- /* scan kernel pmu events from sysfs if needed */
- if (perf_pmu_events_list_num == 0)
- perf_pmu__parse_init();
- /*
- * name "cpu" could be prefix of cpu-cycles or cpu// events.
- * cpu-cycles has been handled by hardcode.
- * So it must be cpu// events, not kernel pmu event.
- */
- if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu"))
- return PMU_EVENT_SYMBOL_ERR;
-
- p.symbol = strdup(name);
- r = bsearch(&p, perf_pmu_events_list,
- (size_t) perf_pmu_events_list_num,
- sizeof(struct perf_pmu_event_symbol), comp_pmu);
- zfree(&p.symbol);
- return r ? r->type : PMU_EVENT_SYMBOL_ERR;
-}
-
static int parse_events__scanner(const char *str,
struct parse_events_state *parse_state)
{
int ret;
ret = parse_events__scanner(str, &parse_state);
- perf_pmu__parse_cleanup();
if (!ret) {
list_splice(parse_state.terms, terms);
int ret;
ret = parse_events__scanner(str, &ps);
- perf_pmu__parse_cleanup();
if (!ret) {
if (!list_empty(&ps.list)) {
int ret;
ret = parse_events__scanner(str, &parse_state);
- perf_pmu__parse_cleanup();
if (!ret && list_empty(&parse_state.list)) {
WARN_ONCE(true, "WARNING: event parser found nothing\n");
int parse_filter(const struct option *opt, const char *str, int unset);
int exclude_perf(const struct option *opt, const char *arg, int unset);
-enum perf_pmu_event_symbol_type {
- PMU_EVENT_SYMBOL_ERR, /* not a PMU EVENT */
- PMU_EVENT_SYMBOL, /* normal style PMU event */
- PMU_EVENT_SYMBOL_PREFIX, /* prefix of pre-suf style event */
- PMU_EVENT_SYMBOL_SUFFIX, /* suffix of pre-suf style event */
- PMU_EVENT_SYMBOL_SUFFIX2, /* suffix of pre-suf2 style event */
-};
-
enum {
PARSE_EVENTS__TERM_TYPE_NUM,
PARSE_EVENTS__TERM_TYPE_STR,
PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT,
PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE,
PARSE_EVENTS__TERM_TYPE_METRIC_ID,
+ PARSE_EVENTS__TERM_TYPE_RAW,
__PARSE_EVENTS__TERM_TYPE_NR,
};
int parse_events_add_tool(struct parse_events_state *parse_state,
struct list_head *list,
int tool_event);
-int parse_events_add_cache(struct list_head *list, int *idx,
- char *type, char *op_result1, char *op_result2,
+int parse_events_add_cache(struct list_head *list, int *idx, const char *name,
struct parse_events_error *error,
struct list_head *head_config,
struct parse_events_state *parse_state);
int parse_events_copy_term_list(struct list_head *old,
struct list_head **new);
-enum perf_pmu_event_symbol_type
-perf_pmu__parse_check(const char *name);
void parse_events__set_leader(char *name, struct list_head *list);
void parse_events_update_lists(struct list_head *list_event,
struct list_head *list_all);
}
#endif /* HAVE_LIBELF_SUPPORT */
-int perf_pmu__test_parse_init(void);
-
struct evsel *parse_events__add_event_hybrid(struct list_head *list, int *idx,
struct perf_event_attr *attr,
const char *name,
return token;
}
-static int raw(yyscan_t scanner)
-{
- YYSTYPE *yylval = parse_events_get_lval(scanner);
- char *text = parse_events_get_text(scanner);
-
- if (perf_pmu__parse_check(text) == PMU_EVENT_SYMBOL)
- return str(scanner, PE_NAME);
-
- return __value(yylval, text + 1, 16, PE_RAW);
-}
-
static bool isbpf_suffix(char *text)
{
int len = strlen(text);
yyless(0); \
} while (0)
-static int pmu_str_check(yyscan_t scanner, struct parse_events_state *parse_state)
-{
- YYSTYPE *yylval = parse_events_get_lval(scanner);
- char *text = parse_events_get_text(scanner);
-
- yylval->str = strdup(text);
-
- /*
- * If we're not testing then parse check determines the PMU event type
- * which if it isn't a PMU returns PE_NAME. When testing the result of
- * parse check can't be trusted so we return PE_PMU_EVENT_FAKE unless
- * an '!' is present in which case the text can't be a PMU name.
- */
- 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_SUFFIX2:
- return PE_PMU_EVENT_SUF2;
- case PMU_EVENT_SYMBOL:
- return parse_state->fake_pmu
- ? PE_PMU_EVENT_FAKE : PE_KERNEL_PMU_EVENT;
- default:
- return parse_state->fake_pmu && !strchr(text,'!')
- ? PE_PMU_EVENT_FAKE : PE_NAME;
- }
-}
-
static int sym(yyscan_t scanner, int type, int config)
{
YYSTYPE *yylval = parse_events_get_lval(scanner);
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 [a-zA-Z_*?\[\]][a-zA-Z0-9_*?.\[\]!\-]*
name_tag [\'][a-zA-Z_*?\[\]][a-zA-Z0-9_*?\-,\.\[\]:=]*[\']
name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?.:]*
drv_cfg_term [a-zA-Z0-9_\.]+(=[a-zA-Z0-9_*?\.:]+)?
/* If you add a modifier you need to update check_modifier() */
modifier_event [ukhpPGHSDIWeb]+
modifier_bp [rwx]{1,3}
+lc_type (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)
+lc_op_result (load|loads|read|store|stores|write|prefetch|prefetches|speculative-read|speculative-load|refs|Reference|ops|access|misses|miss)
%%
aux-output { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT); }
aux-sample-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE); }
metric-id { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_METRIC_ID); }
-r{num_raw_hex} { return raw(yyscanner); }
-r0x{num_raw_hex} { return raw(yyscanner); }
+r{num_raw_hex} { return str(yyscanner, PE_RAW); }
+r0x{num_raw_hex} { return str(yyscanner, PE_RAW); }
, { return ','; }
"/" { BEGIN(INITIAL); return '/'; }
{name_minus} { return str(yyscanner, PE_NAME); }
bpf-output { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_BPF_OUTPUT); }
cgroup-switches { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CGROUP_SWITCHES); }
- /*
- * 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 |
-cycles-t |
-mem-loads |
-mem-loads-aux |
-mem-stores |
-topdown-[a-z-]+ |
-tx-capacity-[a-z-]+ |
-el-capacity-[a-z-]+ { 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); }
-
+{lc_type} { return str(yyscanner, PE_LEGACY_CACHE); }
+{lc_type}-{lc_op_result} { return str(yyscanner, PE_LEGACY_CACHE); }
+{lc_type}-{lc_op_result}-{lc_op_result} { return str(yyscanner, PE_LEGACY_CACHE); }
mem: { BEGIN(mem); return PE_PREFIX_MEM; }
-r{num_raw_hex} { return raw(yyscanner); }
+r{num_raw_hex} { return str(yyscanner, PE_RAW); }
{num_dec} { return value(yyscanner, 10); }
{num_hex} { return value(yyscanner, 16); }
{modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); }
{bpf_object} { if (!isbpf(yyscanner)) { USER_REJECT }; return str(yyscanner, PE_BPF_OBJECT); }
{bpf_source} { if (!isbpf(yyscanner)) { USER_REJECT }; return str(yyscanner, PE_BPF_SOURCE); }
-{name} { return pmu_str_check(yyscanner, _parse_state); }
+{name} { return str(yyscanner, PE_NAME); }
{name_tag} { return str(yyscanner, PE_NAME); }
"/" { BEGIN(config); return '/'; }
-- { return '-'; }
, { BEGIN(event); return ','; }
: { return ':'; }
"{" { BEGIN(event); return '{'; }
#define YYDEBUG 1
+#include <errno.h>
#include <fnmatch.h>
#include <stdio.h>
#include <linux/compiler.h>
%}
%token PE_START_EVENTS PE_START_TERMS
-%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
+%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_TERM
%token PE_VALUE_SYM_TOOL
%token PE_EVENT_NAME
-%token PE_NAME
+%token PE_RAW PE_NAME
%token PE_BPF_OBJECT PE_BPF_SOURCE
%token PE_MODIFIER_EVENT PE_MODIFIER_BP
-%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
+%token PE_LEGACY_CACHE
%token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
%token PE_ERROR
-%token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_PMU_EVENT_SUF2 PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
+%token PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
%token PE_ARRAY_ALL PE_ARRAY_RANGE
%token PE_DRV_CFG_TERM
%type <num> PE_VALUE
%type <num> PE_VALUE_SYM_HW
%type <num> PE_VALUE_SYM_SW
%type <num> PE_VALUE_SYM_TOOL
-%type <num> PE_RAW
%type <num> PE_TERM
%type <num> value_sym
+%type <str> PE_RAW
%type <str> PE_NAME
%type <str> PE_BPF_OBJECT
%type <str> PE_BPF_SOURCE
-%type <str> PE_NAME_CACHE_TYPE
-%type <str> PE_NAME_CACHE_OP_RESULT
+%type <str> PE_LEGACY_CACHE
%type <str> PE_MODIFIER_EVENT
%type <str> PE_MODIFIER_BP
%type <str> PE_EVENT_NAME
-%type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_PMU_EVENT_SUF2 PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
+%type <str> PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
%type <str> PE_DRV_CFG_TERM
-%type <str> event_pmu_name
+%type <str> name_or_raw
%destructor { free ($$); } <str>
%type <term> event_term
%destructor { parse_events_term__delete ($$); } <term>
event_legacy_raw sep_dc |
event_bpf_file
-event_pmu_name:
-PE_NAME | PE_PMU_EVENT_PRE
-
event_pmu:
-event_pmu_name opt_pmu_config
+PE_NAME opt_pmu_config
{
struct parse_events_state *parse_state = _parse_state;
struct parse_events_error *error = parse_state->error;
list = alloc_list();
if (!list)
CLEANUP_YYABORT;
+ /* Attempt to add to list assuming $1 is a PMU name. */
if (parse_events_add_pmu(_parse_state, list, $1, $2, /*auto_merge_stats=*/false)) {
struct perf_pmu *pmu = NULL;
int ok = 0;
+ /* Failure to add, try wildcard expansion of $1 as a PMU name. */
if (asprintf(&pattern, "%s*", $1) < 0)
CLEANUP_YYABORT;
}
}
+ if (!ok) {
+ /* Failure to add, assume $1 is an event name. */
+ zfree(&list);
+ ok = !parse_events_multi_pmu_add(_parse_state, $1, $2, &list);
+ $2 = NULL;
+ }
if (!ok)
CLEANUP_YYABORT;
}
$$ = list;
}
|
-PE_KERNEL_PMU_EVENT opt_pmu_config
+PE_NAME sep_dc
{
struct list_head *list;
int err;
- /* frees $2 */
- err = parse_events_multi_pmu_add(_parse_state, $1, $2, &list);
+ err = parse_events_multi_pmu_add(_parse_state, $1, NULL, &list);
free($1);
if (err < 0)
YYABORT;
$$ = list;
}
|
-PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF '-' PE_PMU_EVENT_SUF2 sep_dc
-{
- struct list_head *list;
- char pmu_name[128];
- snprintf(pmu_name, sizeof(pmu_name), "%s-%s-%s", $1, $3, $5);
- free($1);
- free($3);
- free($5);
- if (parse_events_multi_pmu_add(_parse_state, pmu_name, NULL, &list) < 0)
- YYABORT;
- $$ = list;
-}
-|
-PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
+PE_KERNEL_PMU_EVENT opt_pmu_config
{
struct list_head *list;
- char pmu_name[128];
+ int err;
- snprintf(pmu_name, sizeof(pmu_name), "%s-%s", $1, $3);
+ /* frees $2 */
+ err = parse_events_multi_pmu_add(_parse_state, $1, $2, &list);
free($1);
- free($3);
- if (parse_events_multi_pmu_add(_parse_state, pmu_name, NULL, &list) < 0)
+ if (err < 0)
YYABORT;
$$ = list;
}
}
event_legacy_cache:
-PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
+PE_LEGACY_CACHE opt_event_config
{
struct parse_events_state *parse_state = _parse_state;
struct parse_events_error *error = parse_state->error;
list = alloc_list();
ABORT_ON(!list);
- err = parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6,
- parse_state);
- parse_events_terms__delete($6);
- free($1);
- free($3);
- free($5);
- if (err) {
- free_list_evsel(list);
- YYABORT;
- }
- $$ = list;
-}
-|
-PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
-{
- struct parse_events_state *parse_state = _parse_state;
- struct parse_events_error *error = parse_state->error;
- struct list_head *list;
- int err;
+ err = parse_events_add_cache(list, &parse_state->idx, $1, error, $2, parse_state);
- list = alloc_list();
- ABORT_ON(!list);
- err = parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4,
- parse_state);
- parse_events_terms__delete($4);
- free($1);
- free($3);
- if (err) {
- free_list_evsel(list);
- YYABORT;
- }
- $$ = list;
-}
-|
-PE_NAME_CACHE_TYPE opt_event_config
-{
- struct parse_events_state *parse_state = _parse_state;
- struct parse_events_error *error = parse_state->error;
- struct list_head *list;
- int err;
-
- list = alloc_list();
- ABORT_ON(!list);
- err = parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2,
- parse_state);
parse_events_terms__delete($2);
free($1);
if (err) {
}
tracepoint_name:
-PE_NAME '-' PE_NAME ':' PE_NAME
-{
- struct tracepoint_name tracepoint;
-
- ABORT_ON(asprintf(&tracepoint.sys, "%s-%s", $1, $3) < 0);
- tracepoint.event = $5;
- free($1);
- free($3);
- $$ = tracepoint;
-}
-|
PE_NAME ':' PE_NAME
{
struct tracepoint_name tracepoint = {$1, $3};
{
struct list_head *list;
int err;
+ u64 num;
list = alloc_list();
ABORT_ON(!list);
- err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2);
+ errno = 0;
+ num = strtoull($1 + 1, NULL, 16);
+ ABORT_ON(errno);
+ free($1);
+ err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, num, $2);
parse_events_terms__delete($2);
if (err) {
free(list);
$$ = head;
}
+name_or_raw: PE_RAW | PE_NAME
+
event_term:
PE_RAW
{
struct parse_events_term *term;
- ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_CONFIG,
- NULL, $1, false, &@1, NULL));
+ if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_RAW,
+ strdup("raw"), $1, &@1, &@1)) {
+ free($1);
+ YYABORT;
+ }
$$ = term;
}
|
-PE_NAME '=' PE_NAME
+name_or_raw '=' PE_NAME
{
struct parse_events_term *term;
$$ = term;
}
|
-PE_NAME '=' PE_VALUE
+name_or_raw '=' PE_VALUE
{
struct parse_events_term *term;
$$ = term;
}
|
-PE_NAME '=' PE_VALUE_SYM_HW
+name_or_raw '=' PE_VALUE_SYM_HW
{
struct parse_events_term *term;
int config = $3 & 255;
$$ = term;
}
|
-PE_NAME array '=' PE_NAME
+name_or_raw array '=' PE_NAME
{
struct parse_events_term *term;
$$ = term;
}
|
-PE_NAME array '=' PE_VALUE
+name_or_raw array '=' PE_VALUE
{
struct parse_events_term *term;
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