From: "Andrew Grover" <andy.grover@gmail.com>
To: "Ingo Oeser" <netdev@axxeo.de>
Cc: "Kumar Gala" <galak@kernel.crashing.org>,
"Chris Leech" <christopher.leech@intel.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH 1/9] [I/OAT] DMA memcpy subsystem
Date: Fri, 31 Mar 2006 12:04:13 -0800 [thread overview]
Message-ID: <c0a09e5c0603311204k6b64842bm741d3e7726b39e77@mail.gmail.com> (raw)
In-Reply-To: <200603311026.33391.netdev@axxeo.de>
On 3/31/06, Ingo Oeser <netdev@axxeo.de> wrote:
> Kumar Gala wrote:
> > Fair, but wouldn't it be better to have the association per client.
> >
> > Maybe leave the one as a summary and have a dir per client with
> > similar stats that are for each client and add a per channel summary
> > at the top level as well.
> Such level of detail really belongs to debugging, IMHO.
[snip]
If we implemented more stats then yes debugfs sounds like it might be
the way to go.
> BTW: What is the actual frequency, at which such counters
> will be incremented?
Currently the code updates these variables (kept per cpu) every time a
copy is queued. See include/linux/dmaengine.h.
-- Andy
next prev parent reply other threads:[~2006-03-31 20:04 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-29 22:55 [PATCH 0/9] I/OAT Chris Leech
2006-03-29 22:55 ` [PATCH 1/9] [I/OAT] DMA memcpy subsystem Chris Leech
2006-03-30 8:01 ` Kumar Gala
2006-03-30 18:36 ` Andrew Grover
2006-03-30 19:57 ` Kumar Gala
2006-03-31 8:26 ` Ingo Oeser
2006-03-31 20:04 ` Andrew Grover [this message]
2006-03-31 20:06 ` Kumar Gala
2006-03-31 20:27 ` Andrew Grover
2006-03-29 22:55 ` [PATCH 3/9] [I/OAT] Setup the networking subsystem as a DMA client Chris Leech
2006-03-29 22:55 ` [PATCH 4/9] [I/OAT] Utility functions for offloading sk_buff to iovec copies Chris Leech
2006-03-29 22:55 ` [PATCH 5/9] [I/OAT] Structure changes for TCP recv offload to I/OAT Chris Leech
2006-03-29 22:56 ` [PATCH 6/9] [I/OAT] Rename cleanup_rbuf to tcp_cleanup_rbuf and make non-static Chris Leech
2006-03-29 22:56 ` [PATCH 7/9] [I/OAT] make sk_eat_skb I/OAT aware Chris Leech
2006-03-29 22:56 ` [PATCH 8/9] [I/OAT] Add a sysctl for tuning the I/OAT offloaded I/O threshold Chris Leech
2006-03-29 22:56 ` [PATCH 9/9] [I/OAT] TCP recv offload to I/OAT Chris Leech
2006-05-08 22:16 [PATCH 0/9] I/OAT network recv copy offload Chris Leech
2006-05-08 22:17 ` [PATCH 1/9] [I/OAT] DMA memcpy subsystem Chris Leech
2006-05-24 0:16 [PATCH 0/9] I/OAT repost Chris Leech
2006-05-24 0:20 ` [PATCH 1/9] [I/OAT] DMA memcpy subsystem Chris Leech
2006-05-24 0:48 ` Andrew Morton
2006-05-24 6:31 ` Nathan Lynch
2006-05-24 0:51 ` Andrew Morton
2006-05-25 17:59 ` Olof Johansson
2006-05-25 18:09 ` Olof Johansson
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