Messages in this thread | | | Date | Mon, 20 May 2013 18:22:27 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH v2 net-next 1/4] net: implement support for low latency socket polling |
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> diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt > index f98ca63..cfcf0ea 100644 > --- a/Documentation/networking/ip-sysctl.txt > +++ b/Documentation/networking/ip-sysctl.txt > @@ -19,6 +19,11 @@ ip_no_pmtu_disc - BOOLEAN > Disable Path MTU Discovery. > default FALSE > > +ip_low_latency_poll - INTEGER > + Low latency busy poll timeout. (needs CONFIG_INET_LL_RX_POLL) > + Approximate time in ms to spin waiting for packets on the device queue. > + default 0
Can you document the suggested value here?
Also I would add something like "may increase power usage"
The other thing I would add is a linuxmib statistic counter so that we can see the polling happens.
-Andi -- ak@linux.intel.com -- Speaking for myself only.
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