[haiku-bugs] Re: [Haiku] #8454: Very low network performance with a Marvell Yukon card.
- From: "tqh" <trac@xxxxxxxxxxxx>
- Date: Wed, 01 Aug 2012 21:25:21 -0000
#8454: Very low network performance with a Marvell Yukon card.
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Reporter: bga | Owner: nobody
Type: bug | Status: new
Priority: high | Milestone: R1
Component: Drivers/Network/marvell_yukon | Version: R1/Development
Resolution: | Keywords:
Blocked By: 8743 | Blocking:
Has a Patch: 0 | Platform: All
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Comment (by tqh):
I havn't verified this but I suspect that the freebsd drivers
(marvell_yukon, iprowifi4965 and others) that use fake interrupt handlers
involving semaphore signaling and a thread doing the real int work are the
slow ones. The rtl81xx which uses the int handler directly seems to have
pretty good performance. For iprowifi4965 I think rewriting the int
handler would be quite easy and would be a good test for this. See
http://cgit.haiku-
os.org/haiku/tree/src/libs/compat/freebsd_network/bus.c#320 for more info.
It will take me a few days before I can get to that though.
--
Ticket URL: <http://dev.haiku-os.org/ticket/8454#comment:31>
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