Date: Tue, 4 Oct 2005 00:12:29 +0400 From: "Yuriy N. Shkandybin" <jura@networks.ru> To: <freebsd-current@freebsd.org> Cc: Gleb Smirnoff <glebius@FreeBSD.org> Subject: Re: [HEADSUP] big polling changes Message-ID: <006601c5c856$c9ce72a0$0701010a@notebook>
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Hello.
I've tested nge and confirm that with
sc->nge_ldata = contigmalloc(sizeof(struct nge_list_data), M_DEVBUF,
- M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0);
+ M_NOWAIT|M_ZERO, 0, 0xffffffff, PAGE_SIZE, 0);
polling works.
Also want to notice interrupt load with polling enable.
CPU states: 0.0% user, 0.0% nice, 2.4% system, 26.4% interrupt, 71.2% idle
without polling.
CPU states: 1.0% user, 0.0% nice, 5.8% system, 0.0% interrupt, 93.3% idle
but same behavour i've seen since RELENG_5.
There is no such load with em driver.
If additional testing needed i can help and provide access to testbox with 7.0 and nge card.
Jura
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