varnishlog and latencies

[Damien Wetzel]

Hello,
I'm testing varnish and seeing visible long latencies before
objects appear on the browser.
Looking at varnishlog i see for a long object to download :
12 ReqEnd       c 894991605 1193228694.621880054 1193228694.6322798730.006652355 0.010343552 0.000056267

if i'm correct that means that it took 12 ms to deliver the object ? 
my eyes say that it took longer than that.

Thanks,
PS: is there a doc about the varnish log output explaining the fields
for ReqEnd TTL etc,..

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