From: Nishanth Menon <menon.nishanth@gmail.com>
To: Bhaskara Rao Kotla <bhaskar12@gmail.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: need help in DMA performance
Date: Thu, 18 Jan 2007 21:47:27 -0600 [thread overview]
Message-ID: <45B03F4F.1080701@gmail.com> (raw)
In-Reply-To: <1c5b04b60701181235m16695fc0r7a25136d75f15afc@mail.gmail.com>
Bhaskara Rao Kotla stated on 1/18/2007 2:35 PM:
> Hi,
> I am working on OMAPSDP 2430 platform. Can someone suggest, which
> is the
> best way to measure the real-time accurate performance of DMA
> transfer(DDR
> location A to DDR location B (or) DDR location A to SRAM location B). Is
> there any timer code APIs available to measure?
http://kerneltrap.org/node/7345
a simple ctrl+f in the include/linux gave:
http://source.mvista.com/git/gitweb.cgi?p=linux-omap-2.6.git;a=blob;h=fca93025ab5191db9a1d4aeb9734dbfa2f574a20;hb=c5783642bf20735e33f12dbe3ea1235c53cbc846;f=include/linux/hrtimer.h
http://source.mvista.com/git/gitweb.cgi?p=linux-omap-2.6.git;a=blob;h=611f17f79eefe32f78605589f175db8a77616474;hb=c5783642bf20735e33f12dbe3ea1235c53cbc846;f=include/linux/ktime.h
http://source.mvista.com/git/gitweb.cgi?p=linux-omap-2.6.git;a=blob;h=a5b739967b74f46f745526952b1c947c236cf75a;hb=c5783642bf20735e33f12dbe3ea1235c53cbc846;f=include/linux/time.h
Also i suggest a bit of google arnd.. and u;d see test code from tony
himself here:
http://muru.com/linux/omap/patches/old/patch-2.6.1-omap-dma-test.bz2 and
other patches..
Regards,
NM
prev parent reply other threads:[~2007-01-19 3:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-18 20:35 need help in DMA performance Bhaskara Rao Kotla
2007-01-19 3:47 ` Nishanth Menon [this message]
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