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-rw-r--r--tools/perf/util/parse-events.c96
1 files changed, 64 insertions, 32 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index c7fc18a33d54..05dbc8b3c767 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -23,8 +23,10 @@ struct event_symbol {
const char *alias;
};
-int parse_events_parse(struct list_head *list, struct list_head *list_tmp,
- int *idx);
+#ifdef PARSER_DEBUG
+extern int parse_events_debug;
+#endif
+int parse_events_parse(struct list_head *list, int *idx);
#define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x
#define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x
@@ -60,19 +62,6 @@ static struct event_symbol event_symbols[] = {
#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
#define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
-static const char *hw_event_names[PERF_COUNT_HW_MAX] = {
- "cycles",
- "instructions",
- "cache-references",
- "cache-misses",
- "branches",
- "branch-misses",
- "bus-cycles",
- "stalled-cycles-frontend",
- "stalled-cycles-backend",
- "ref-cycles",
-};
-
static const char *sw_event_names[PERF_COUNT_SW_MAX] = {
"cpu-clock",
"task-clock",
@@ -298,6 +287,16 @@ const char *event_name(struct perf_evsel *evsel)
u64 config = evsel->attr.config;
int type = evsel->attr.type;
+ if (type == PERF_TYPE_RAW || type == PERF_TYPE_HARDWARE) {
+ /*
+ * XXX minimal fix, see comment on perf_evsen__name, this static buffer
+ * will go away together with event_name in the next devel cycle.
+ */
+ static char bf[128];
+ perf_evsel__name(evsel, bf, sizeof(bf));
+ return bf;
+ }
+
if (evsel->name)
return evsel->name;
@@ -315,9 +314,7 @@ const char *__event_name(int type, u64 config)
switch (type) {
case PERF_TYPE_HARDWARE:
- if (config < PERF_COUNT_HW_MAX && hw_event_names[config])
- return hw_event_names[config];
- return "unknown-hardware";
+ return __perf_evsel__hw_name(config);
case PERF_TYPE_HW_CACHE: {
u8 cache_type, cache_op, cache_result;
@@ -355,20 +352,30 @@ const char *__event_name(int type, u64 config)
return "unknown";
}
-static int add_event(struct list_head *list, int *idx,
+static int add_event(struct list_head **_list, int *idx,
struct perf_event_attr *attr, char *name)
{
struct perf_evsel *evsel;
+ struct list_head *list = *_list;
+
+ if (!list) {
+ list = malloc(sizeof(*list));
+ if (!list)
+ return -ENOMEM;
+ INIT_LIST_HEAD(list);
+ }
event_attr_init(attr);
evsel = perf_evsel__new(attr, (*idx)++);
- if (!evsel)
+ if (!evsel) {
+ free(list);
return -ENOMEM;
-
- list_add_tail(&evsel->node, list);
+ }
evsel->name = strdup(name);
+ list_add_tail(&evsel->node, list);
+ *_list = list;
return 0;
}
@@ -390,7 +397,7 @@ static int parse_aliases(char *str, const char *names[][MAX_ALIASES], int size)
return -1;
}
-int parse_events_add_cache(struct list_head *list, int *idx,
+int parse_events_add_cache(struct list_head **list, int *idx,
char *type, char *op_result1, char *op_result2)
{
struct perf_event_attr attr;
@@ -451,7 +458,7 @@ int parse_events_add_cache(struct list_head *list, int *idx,
return add_event(list, idx, &attr, name);
}
-static int add_tracepoint(struct list_head *list, int *idx,
+static int add_tracepoint(struct list_head **list, int *idx,
char *sys_name, char *evt_name)
{
struct perf_event_attr attr;
@@ -488,7 +495,7 @@ static int add_tracepoint(struct list_head *list, int *idx,
return add_event(list, idx, &attr, name);
}
-static int add_tracepoint_multi(struct list_head *list, int *idx,
+static int add_tracepoint_multi(struct list_head **list, int *idx,
char *sys_name, char *evt_name)
{
char evt_path[MAXPATHLEN];
@@ -519,7 +526,7 @@ static int add_tracepoint_multi(struct list_head *list, int *idx,
return ret;
}
-int parse_events_add_tracepoint(struct list_head *list, int *idx,
+int parse_events_add_tracepoint(struct list_head **list, int *idx,
char *sys, char *event)
{
int ret;
@@ -563,7 +570,7 @@ parse_breakpoint_type(const char *type, struct perf_event_attr *attr)
return 0;
}
-int parse_events_add_breakpoint(struct list_head *list, int *idx,
+int parse_events_add_breakpoint(struct list_head **list, int *idx,
void *ptr, char *type)
{
struct perf_event_attr attr;
@@ -622,6 +629,9 @@ do { \
* attr->branch_sample_type = term->val.num;
*/
break;
+ case PARSE_EVENTS__TERM_TYPE_NAME:
+ CHECK_TYPE_VAL(STR);
+ break;
default:
return -EINVAL;
}
@@ -642,7 +652,7 @@ static int config_attr(struct perf_event_attr *attr,
return 0;
}
-int parse_events_add_numeric(struct list_head *list, int *idx,
+int parse_events_add_numeric(struct list_head **list, int *idx,
unsigned long type, unsigned long config,
struct list_head *head_config)
{
@@ -660,7 +670,24 @@ int parse_events_add_numeric(struct list_head *list, int *idx,
(char *) __event_name(type, config));
}
-int parse_events_add_pmu(struct list_head *list, int *idx,
+static int parse_events__is_name_term(struct parse_events__term *term)
+{
+ return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME;
+}
+
+static char *pmu_event_name(struct perf_event_attr *attr,
+ struct list_head *head_terms)
+{
+ struct parse_events__term *term;
+
+ list_for_each_entry(term, head_terms, list)
+ if (parse_events__is_name_term(term))
+ return term->val.str;
+
+ return (char *) __event_name(PERF_TYPE_RAW, attr->config);
+}
+
+int parse_events_add_pmu(struct list_head **list, int *idx,
char *name, struct list_head *head_config)
{
struct perf_event_attr attr;
@@ -681,7 +708,8 @@ int parse_events_add_pmu(struct list_head *list, int *idx,
if (perf_pmu__config(pmu, &attr, head_config))
return -EINVAL;
- return add_event(list, idx, &attr, (char *) "pmu");
+ return add_event(list, idx, &attr,
+ pmu_event_name(&attr, head_config));
}
void parse_events_update_lists(struct list_head *list_event,
@@ -693,7 +721,7 @@ void parse_events_update_lists(struct list_head *list_event,
* list, for next event definition.
*/
list_splice_tail(list_event, list_all);
- INIT_LIST_HEAD(list_event);
+ free(list_event);
}
int parse_events_modifier(struct list_head *list, char *str)
@@ -768,10 +796,14 @@ int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
buffer = parse_events__scan_string(str);
- ret = parse_events_parse(&list, &list_tmp, &idx);
+#ifdef PARSER_DEBUG
+ parse_events_debug = 1;
+#endif
+ ret = parse_events_parse(&list, &idx);
parse_events__flush_buffer(buffer);
parse_events__delete_buffer(buffer);
+ parse_events_lex_destroy();
if (!ret) {
int entries = idx - evlist->nr_entries;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.