DOC: Add timings events schemas
[wt: this could be backported to 1.7]
diff --git a/doc/configuration.txt b/doc/configuration.txt
index f654c8e..c4efbce 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -15491,6 +15491,26 @@
mode, 5 control points are reported under the form "TR/Tw/Tc/Tr/Ta". In
addition, three other measures are provided, "Th", "Ti", and "Tq".
+Timings events in HTTP mode:
+
+ first request 2nd request
+ |<-------------------------------->|<-------------- ...
+ t tr t tr ...
+ ---|----|----|----|----|----|----|----|----|--
+ : Th Ti TR Tw Tc Tr Td : Ti ...
+ :<---- Tq ---->: :
+ :<-------------- Tt -------------->:
+ :<--------- Ta --------->:
+
+Timings events in TCP mode:
+
+ TCP session
+ |<----------------->|
+ t t
+ ---|----|----|----|----|---
+ | Th Tw Tc Td |
+ |<------ Tt ------->|
+
- Th: total time to accept tcp connection and execute handshakes for low level
protocols. Currently, these protocoles are proxy-protocol and SSL. This may
only happen once during the whole connection's lifetime. A large time here