Lookups inflate the hitcount, making it essentially useless. Only inserts and updates should really affect the hitcount anyway, so explicitly filter lookups out.
Signed-off-by: Tom Zanussi <[email protected]> --- kernel/trace/tracing_map.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index 305039b..07e7534 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -428,7 +428,8 @@ static inline bool keys_match(void *key, void *test_key, unsigned key_size) if (test_key && test_key == key_hash && entry->val && keys_match(key, entry->val->key, map->key_size)) { - atomic64_inc(&map->hits); + if (!lookup_only) + atomic64_inc(&map->hits); return entry->val; } -- 1.9.3
