| To: | Patrick McHardy <kaber@xxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH] netem: account for packets in delayed queue in qlen |
| From: | Stephen Hemminger <shemminger@xxxxxxxx> |
| Date: | Tue, 19 Apr 2005 11:06:39 +1000 |
| Cc: | "David S. Miller" <davem@xxxxxxxxxxxxx>, netdev@xxxxxxxxxxx |
| In-reply-to: | <42628300.9010007@trash.net> |
| References: | <20050329152110.38d50653@dxpl.pdx.osdl.net> <4252EB9D.9070305@trash.net> <20050407120417.4297cd14@dxpl.pdx.osdl.net> <42628300.9010007@trash.net> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Sun, 17 Apr 2005 17:38:40 +0200 Patrick McHardy <kaber@xxxxxxxxx> wrote: > Stephen Hemminger wrote: > > Would this work better.? It just increases qlen by +/- 1 on enqueue, > > dequeue. > > It also allows < 1ms delays if there is enough traffic going through. > > It looks better, but with duplication there can still be an increment > of 2 in netem_enqueue(). There may be no sane way to do duplication without that. Other ways like injecting packets again at top of queue with a thread/tasklet seem rather gross |
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