Sub-second granularity logs

[Tollef Fog Heen]

]] Niall O'Higgins 

| > Which shmrecord are we talking about ?
| 
| I have only started looking through the existing shmlog tags to see
| exactly what corresponds to our needs, but basically we are looking
| for millisecond accuracy at each of these points:
| 
| - When the cache received the request from the client
| - When the request header was forwarded by the cache
| - When the first byte of the response header was recieved back
| - When the end of the response header was received or detected
| - When the first byte of the response body was received or detected
| - When the cache finished sending the response back to the client

At least some of those are already available, as explained in
http://varnish.projects.linpro.no/wiki/Varnishlog

-- 
Tollef Fog Heen 
Redpill Linpro -- Changing the game!
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