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Subject[RFC 3/3] perf pmu: Restore auto-merging of PMU events created by prefix match
Date
This was disabled when auto-merging of non-alias events was disabled in
commit 63ce844 (perf stat: Only auto-merge events that are PMU aliases).

Signed-off-by: Agustin Vega-Frias <agustinv@codeaurora.org>
---
tools/perf/util/parse-events.c | 13 +++----------
tools/perf/util/parse-events.h | 2 +-
tools/perf/util/parse-events.y | 4 ++--
3 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index bafc91e..4e80ca3 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1217,7 +1217,7 @@ int parse_events_add_numeric(struct parse_events_state *parse_state,
get_config_name(head_config), &config_terms);
}

-static int __parse_events_add_pmu(struct parse_events_state *parse_state,
+int parse_events_add_pmu(struct parse_events_state *parse_state,
struct list_head *list, char *name,
struct list_head *head_config, bool auto_merge_stats)
{
@@ -1287,13 +1287,6 @@ static int __parse_events_add_pmu(struct parse_events_state *parse_state,
return evsel ? 0 : -ENOMEM;
}

-int parse_events_add_pmu(struct parse_events_state *parse_state,
- struct list_head *list, char *name,
- struct list_head *head_config)
-{
- return __parse_events_add_pmu(parse_state, list, name, head_config, false);
-}
-
int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
char *str, struct list_head **listp)
{
@@ -1323,8 +1316,8 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
return -1;
list_add_tail(&term->list, head);

- if (!__parse_events_add_pmu(parse_state, list,
- pmu->name, head, true)) {
+ if (!parse_events_add_pmu(parse_state, list,
+ pmu->name, head, true)) {
pr_debug("%s -> %s/%s/\n", str,
pmu->name, alias->str);
ok++;
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 88108cd..5015cfd 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -167,7 +167,7 @@ int parse_events_add_breakpoint(struct list_head *list, int *idx,
void *ptr, char *type, u64 len);
int parse_events_add_pmu(struct parse_events_state *parse_state,
struct list_head *list, char *name,
- struct list_head *head_config);
+ struct list_head *head_config, bool auto_merge_stats);

int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
char *str,
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index c528469..b51278f 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -232,7 +232,7 @@ PE_NAME opt_event_config
YYABORT;

ALLOC_LIST(list);
- if (parse_events_add_pmu(_parse_state, list, $1, $2)) {
+ if (parse_events_add_pmu(_parse_state, list, $1, $2, false)) {
struct perf_pmu *pmu = NULL;
int ok = 0;

@@ -245,7 +245,7 @@ PE_NAME opt_event_config
if (!strncmp($1, name, strlen($1)) || !fnmatch($1, name, 0)) {
if (parse_events_copy_term_list(orig_terms, &terms))
YYABORT;
- if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms))
+ if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms, true))
ok++;
parse_events_terms__delete(terms);
}
--
2.7.4
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