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| author | Felix Lange <fjl@twurst.com> | 2016-10-19 22:07:19 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-10-19 22:07:19 +0800 |
| commit | 5d9bb0a050df0e58ed1073ef92f45676380ac26e (patch) | |
| tree | ef6d03e8150fe2a1dc00adb99baf2abf0a5e108c /trie | |
| parent | 8048f4d4f619e3d34494fb9dcb2bb3b91bca6bec (diff) | |
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trie: add metric to track cache unloading (#3175)
Diffstat (limited to 'trie')
| -rw-r--r-- | trie/hasher.go | 1 | ||||
| -rw-r--r-- | trie/trie.go | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/trie/hasher.go b/trie/hasher.go index b6223bf32..e6261819c 100644 --- a/trie/hasher.go +++ b/trie/hasher.go @@ -60,6 +60,7 @@ func (h *hasher) hash(n node, db DatabaseWriter, force bool) (node, node, error) if n.canUnload(h.cachegen, h.cachelimit) { // Unload the node from cache. All of its subnodes will have a lower or equal // cache generation number. + cacheUnloadCounter.Inc(1) return hash, hash, nil } if !dirty { diff --git a/trie/trie.go b/trie/trie.go index 632060543..2a7bc16e4 100644 --- a/trie/trie.go +++ b/trie/trie.go @@ -35,7 +35,10 @@ var ( emptyState common.Hash ) -var cacheMissCounter = metrics.NewRegisteredCounter("trie/cachemiss", nil) +var ( + cacheMissCounter = metrics.NewRegisteredCounter("trie/cachemiss", nil) + cacheUnloadCounter = metrics.NewRegisteredCounter("trie/cacheunload", nil) +) // CacheMisses retrieves a global counter measuring the number of cache misses // the trie did since process startup. This isn't useful for anything apart from |