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Unified Diff: tools/metrics/histograms/histograms.xml

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Issue 1208933004: QUIC - disable QUIC under recent pathological connection errors. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Revised after third round of review feedback. Created 5 years, 5 months ago
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Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index a96e994d642d164532ea795b2440dc2a7e53abec..55768f23478fdd7f4a02085ddd4c1cdf7d6cf0a0 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -22607,6 +22607,27 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="Net.QuicStreamFactory.DisabledReasons"
+ enum="QuicDisabledReason">
+ <owner>ckrasic@chromium.org</owner>
+ <summary>
+ Rrecords reasons QUIC is disabled (for all ports), if sufficent recent
+ connections experience: public reset post crypto handshake, or timeouts with
+ streams open. QUIC is disabled until the next reboot of Chrome. Logged
+ during session close.
+ </summary>
+</histogram>
+
+<histogram name="Net.QuicStreamFactory.PublicResetsPostHandshake" units="count">
Alexei Svitkine (slow) 2015/07/07 18:44:09 Nit: Wouldn't units="resets" make more sense?
Buck 2015/07/07 18:55:20 Done.
+ <owner>ckrasic@chromium.org</owner>
+ <summary>
+ Captures the maximum number of public resets post handshake that occurred
+ within a window of recent connections (default 20). Will help inform the
+ choice of threshold to disable QUIC for clients that experience pathalogical
+ errors. Logged during session close.
+ </summary>
+</histogram>
+
<histogram name="Net.QuicStreamFactory.QuicIsDisabled" enum="Ports">
<owner>rtenneti@chromium.org</owner>
<summary>
@@ -22616,6 +22637,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="Net.QuicStreamFactory.TimeoutsWithOpenStreams" units="count">
Alexei Svitkine (slow) 2015/07/07 18:44:09 units="timeouts"?
Buck 2015/07/07 18:55:20 Done.
+ <owner>ckrasic@chromium.org</owner>
+ <summary>
+ Captures the maximum number of connection timeouts with streams open that
Alexei Svitkine (slow) 2015/07/07 18:44:09 Nit: You still have randomly doubled spaces in thi
Buck 2015/07/07 18:55:20 yikes, sorry I missed it! Done.
+ occurred within a window of recent connections (default 20). Will help
+ inform the choice of threshold to disable QUIC for clients that experience
+ pathalogical errors. Logged during session close.
+ </summary>
+</histogram>
+
<histogram name="Net.QuicVerifyProofFailed.HandshakeConfirmed"
enum="BooleanHandshakeConfirmed">
<owner>rtenneti@chromium.org</owner>
@@ -65291,6 +65322,12 @@ To add a new entry, add it with any value and run test to compute valid value.
<int value="5" label="FIVE_PACKETS_LOST"/>
</enum>
+<enum name="QuicDisabledReason" type="int">
+ <int value="1" label="Public reset post handshake"/>
+ <int value="2" label="Timeout with open streams"/>
+ <int value="3" label="Bad packet loss rate"/>
+</enum>
+
<enum name="QuicDiskCacheAPICall" type="int">
<int value="0" label="Start"/>
<int value="1" label="WaitForDataReady"/>
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