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| author | szym@chromium.org <szym@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-11-08 22:26:48 +0000 |
|---|---|---|
| committer | szym@chromium.org <szym@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-11-08 22:26:48 +0000 |
| commit | 0de360c6b0b08c2720bcb64cb9f13dbfeca90451 (patch) | |
| tree | a4f46ef1bb463c6759fb818ecf96ff5ceceae345 /net/base/host_cache.h | |
| parent | 64ade3bced12c45802c82cfa065e90d6c5b5d575 (diff) | |
| download | chromium_src-0de360c6b0b08c2720bcb64cb9f13dbfeca90451.zip chromium_src-0de360c6b0b08c2720bcb64cb9f13dbfeca90451.tar.gz chromium_src-0de360c6b0b08c2720bcb64cb9f13dbfeca90451.tar.bz2 | |
[net] Measure DNS.CacheEvicted and DNS.CacheExpired.
On every eviction from HostCache record the time left to expiration
(DNS.CacheEvicted) or time since expiration (DNS.CacheExpired).
A distinction is made for evictions on Lookup (DNS.CacheExpiredOnGet).
Review URL: https://chromiumcodereview.appspot.com/11359053
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@166781 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'net/base/host_cache.h')
| -rw-r--r-- | net/base/host_cache.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/base/host_cache.h b/net/base/host_cache.h index 3826045..c4b248b 100644 --- a/net/base/host_cache.h +++ b/net/base/host_cache.h @@ -61,8 +61,17 @@ class NET_EXPORT HostCache : NON_EXPORTED_BASE(public base::NonThreadSafe) { HostResolverFlags host_resolver_flags; }; + struct EvictionHandler { + void Handle(const Key& key, + const Entry& entry, + const base::TimeTicks& expiration, + const base::TimeTicks& now, + bool onGet) const; + }; + typedef ExpiringCache<Key, Entry, base::TimeTicks, - std::less<base::TimeTicks> > EntryMap; + std::less<base::TimeTicks>, + EvictionHandler> EntryMap; // Constructs a HostCache that stores up to |max_entries|. explicit HostCache(size_t max_entries); |