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Bug 1354409 - Add telemetry for how often we race network and cache r=michal

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MozReview-Commit-ID: 1D1KyGbLxdW

--HG--
extra : rebase_source : 5bfeed6c1fb8f1379844947bd391ac352700b411
This commit is contained in:
Valentin Gosu 2017-04-20 16:42:10 +08:00
parent 8f46f62b03
commit cc80d8fcd8
2 changed files with 25 additions and 0 deletions
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17
netwerk/protocol/http/nsHttpChannel.cpp
View File

@ -7003,6 +7003,23 @@ nsHttpChannel::OnStopRequest(nsIRequest *request, nsISupports *ctxt, nsresult st
}
}
enum RaceCacheAndNetStatus
{
kDidNotRaceUsedNetwork = 0,
kDidNotRaceUsedCache = 1,
kRaceUsedNetwork = 2,
kRaceUsedCache = 3
};
RaceCacheAndNetStatus rcwnStatus = kDidNotRaceUsedNetwork;
if (request == mTransactionPump) {
rcwnStatus = mRaceCacheWithNetwork ? kRaceUsedNetwork : kDidNotRaceUsedNetwork;
} else if (request == mCachePump) {
rcwnStatus = mRaceCacheWithNetwork ? kRaceUsedCache : kDidNotRaceUsedCache;
}
Telemetry::Accumulate(Telemetry::NETWORK_RACE_CACHE_WITH_NETWORK_USAGE,
rcwnStatus);
nsCOMPtr<nsICompressConvStats> conv = do_QueryInterface(mCompressListener);
if (conv) {
conv->GetDecodedDataLength(&mDecodedBodySize);

8
toolkit/components/telemetry/Histograms.json
View File

@ -2057,6 +2057,14 @@
"n_buckets": 100,
"description": "Time in milliseconds that http channel spent suspended between AsyncOpen and OnStartRequest."
},
"NETWORK_RACE_CACHE_WITH_NETWORK_USAGE": {
"expires_in_version": "58",
"alert_emails": ["necko@mozilla.com"],
"bug_numbers": [1354409],
"kind": "enumerated",
"n_values": 4,
"description": "Whether we raced network with the cache. (0=network & no racing, 1=cache & no racing, 2=network & raced, 3=cache & raced)"
},
"HTTP_AUTH_DIALOG_STATS": {
"expires_in_version": "never",
"kind": "enumerated",