diff options
| -rw-r--r-- | tools/perf/util/auxtrace.c | 28 | ||||
| -rw-r--r-- | tools/perf/util/auxtrace.h | 1 |
2 files changed, 29 insertions, 0 deletions
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 8470dfe9fe97..c555c3ccd79d 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1457,6 +1457,34 @@ int auxtrace_cache__add(struct auxtrace_cache *c, u32 key, return 0; } +static struct auxtrace_cache_entry *auxtrace_cache__rm(struct auxtrace_cache *c, + u32 key) +{ + struct auxtrace_cache_entry *entry; + struct hlist_head *hlist; + struct hlist_node *n; + + if (!c) + return NULL; + + hlist = &c->hashtable[hash_32(key, c->bits)]; + hlist_for_each_entry_safe(entry, n, hlist, hash) { + if (entry->key == key) { + hlist_del(&entry->hash); + return entry; + } + } + + return NULL; +} + +void auxtrace_cache__remove(struct auxtrace_cache *c, u32 key) +{ + struct auxtrace_cache_entry *entry = auxtrace_cache__rm(c, key); + + auxtrace_cache__free_entry(c, entry); +} + void *auxtrace_cache__lookup(struct auxtrace_cache *c, u32 key) { struct auxtrace_cache_entry *entry; diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index f201f36bc35f..3f4aa5427d76 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -489,6 +489,7 @@ void *auxtrace_cache__alloc_entry(struct auxtrace_cache *c); void auxtrace_cache__free_entry(struct auxtrace_cache *c, void *entry); int auxtrace_cache__add(struct auxtrace_cache *c, u32 key, struct auxtrace_cache_entry *entry); +void auxtrace_cache__remove(struct auxtrace_cache *c, u32 key); void *auxtrace_cache__lookup(struct auxtrace_cache *c, u32 key); struct auxtrace_record *auxtrace_record__init(struct evlist *evlist, |