From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Or Gerlitz <or.gerlitz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 4/5] ib/core: add support for extended performance counters in sysfs
Date: Tue, 20 Dec 2011 12:50:15 -0700 [thread overview]
Message-ID: <20111220195014.GH25774@obsidianresearch.com> (raw)
In-Reply-To: <CAJZOPZ+rBKck50kmyhLZ3VNLNmoS_K6cA3Pj3L6XQjcBQo6DjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Tue, Dec 20, 2011 at 09:40:09PM +0200, Or Gerlitz wrote:
> Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> wrote:
> > The netdev counters are all the same size and there is some other way
> > to discover what the size is. I'd like to see that for IB counters
> > too, but it is probably infeasible. So if we have counters that are
> > not the same size as netdev counters then some kind of size indicator
> > is required for sane userspace.
>
> We're talking now only on the IB extended counters who are all 64 bits
netdev counters are 32 bit or 64 bit, depending on how the kernel was
compiled. I think indicating the size explicitly, or always being 64
bit (and extending all the lessor counters in future) is the way to go
for IB..
Jason
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next prev parent reply other threads:[~2011-12-20 19:50 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-10 8:51 [PATCH for-3.2] IBoE fixes Or Gerlitz
[not found] ` <alpine.LRH.2.00.1110101047420.10901-VYr5/9ddeaGSIdy2EShu12Xnswh1EIUO@public.gmane.org>
2011-10-10 8:53 ` [PATCH 1/5] ib/mlx4: enable 4K mtu for IBoE Or Gerlitz
2011-10-10 8:54 ` [PATCH 2/5] ib/mlx4: remove setting of vlan in IBoE WQEs control segment Or Gerlitz
2011-10-10 8:55 ` [PATCH 3/5] net/mlx4_core: remove module param controlling the vlan table size Or Gerlitz
[not found] ` <alpine.LRH.2.00.1110101055050.11243-VYr5/9ddeaGSIdy2EShu12Xnswh1EIUO@public.gmane.org>
2011-10-10 17:00 ` Roland Dreier
[not found] ` <CAG4TOxNaQicA6ExuNsw8V95mJPD+AQX5Wrfg+rCoBxdr2E+2ww-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-10-11 7:24 ` Or Gerlitz
[not found] ` <4E93EF38.5040707-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-10-11 17:28 ` Roland Dreier
[not found] ` <CAL1RGDVk2EOmgWU_iZQWQqKJFPNYN4o_5_14Qbr_6wUzTJ1bOg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-10-11 19:18 ` Or Gerlitz
[not found] ` <CAJZOPZJnzUm2M1zm1564TUwKCN3r=y3g-4pwTL4bJPDo2V4s9w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-10-11 19:22 ` Roland Dreier
2011-10-16 8:32 ` Or Gerlitz
2011-10-16 8:26 ` [PATCH V1 3/5] net/mlx4_core: deprecate " Or Gerlitz
2011-10-10 8:56 ` [PATCH 4/5] ib/core: add support for extended performance counters in sysfs Or Gerlitz
[not found] ` <alpine.LRH.2.00.1110101055570.11243-VYr5/9ddeaGSIdy2EShu12Xnswh1EIUO@public.gmane.org>
2011-10-31 19:38 ` Roland Dreier
[not found] ` <CAL1RGDXdkiZNtAsnqDtgbCJGLXLFvk8s-YA5mR189kmg6FkabQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-01 6:40 ` Or Gerlitz
[not found] ` <CAJZOPZ+K3u+u5XutGfBhKh3DaBpNRKV_bw67CLK6jy3060OHqA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-01 16:22 ` Jason Gunthorpe
[not found] ` <20111101162218.GA10710-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-11-01 17:23 ` Or Gerlitz
[not found] ` <CAJZOPZLXZL=vEDdXE3rE5Jzw840SrdY=73M7QgKSNzOysRE6MQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-01 17:36 ` Jason Gunthorpe
[not found] ` <20111101173625.GH26974-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-11-01 18:14 ` Or Gerlitz
[not found] ` <CAJZOPZJCY5ehTGw8htsxw0dJgMXJJAS-=LGJde9ddcMsmhqvMg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-01 18:37 ` Jason Gunthorpe
[not found] ` <20111101183730.GI26974-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-11-01 21:42 ` Roland Dreier
2011-11-01 21:44 ` Or Gerlitz
2011-11-01 21:52 ` Jason Gunthorpe
[not found] ` <20111101215200.GN26974-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-11-01 22:03 ` Ira Weiny
[not found] ` <20111101150358.17d232ee.weiny2-i2BcT+NCU+M@public.gmane.org>
2011-11-01 22:11 ` Jason Gunthorpe
[not found] ` <20111101221135.GP26974-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-11-01 22:19 ` Ira Weiny
2011-11-01 22:34 ` Or Gerlitz
[not found] ` <CAJZOPZJh2T5nCsdU9B0anUnoB=SpRD2_yBLT620zEi0Kr12MFg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-01 22:46 ` Ira Weiny
[not found] ` <20111101154627.f3c847dd.weiny2-i2BcT+NCU+M@public.gmane.org>
2011-11-02 7:38 ` Or Gerlitz
2011-11-02 17:16 ` Or Gerlitz
[not found] ` <4EB17AF9.3000608-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-11-08 0:54 ` Roland Dreier
[not found] ` <CAG4TOxOYAnuB8oKkJgr9_6EpF+YR-h9WNak+gSWwpV0Nz-LeZg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-08 1:09 ` Jason Gunthorpe
[not found] ` <20111108010952.GC4934-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-11-08 16:06 ` Ira Weiny
[not found] ` <20111108080606.7c5dd62c.weiny2-i2BcT+NCU+M@public.gmane.org>
2011-12-20 11:49 ` Or Gerlitz
2011-12-20 11:49 ` Or Gerlitz
2011-12-20 12:03 ` Or Gerlitz
[not found] ` <4EF07993.2090900-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-12-20 17:46 ` Jason Gunthorpe
[not found] ` <20111220174639.GE25774-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-12-20 19:40 ` Or Gerlitz
[not found] ` <CAJZOPZ+rBKck50kmyhLZ3VNLNmoS_K6cA3Pj3L6XQjcBQo6DjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-20 19:50 ` Jason Gunthorpe [this message]
[not found] ` <20111220195014.GH25774-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-12-20 19:56 ` Or Gerlitz
2012-01-04 19:29 ` Or Gerlitz
2011-12-22 17:09 ` Or Gerlitz
2011-11-01 21:46 ` Or Gerlitz
[not found] ` <CAJZOPZ+zmwTdHva5C7k0QhBmEzxSGTa1Ajszz3eSH=WpP3A4fg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-01 21:58 ` Jason Gunthorpe
[not found] ` <20111101215843.GO26974-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-11-02 8:27 ` Or Gerlitz
2011-11-01 21:49 ` Roland Dreier
[not found] ` <CAG4TOxM4n3=51-3UqYF=iRS25OdRjTXoKDD6u1DukgRrwvTW1g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-01 22:32 ` Or Gerlitz
2011-11-01 22:49 ` Hefty, Sean
2011-10-10 8:57 ` [PATCH 5/5] ib/mlx4: added support for extended PMA counters under IBoE Or Gerlitz
2011-10-26 7:04 ` [PATCH for-3.2] IBoE fixes Or Gerlitz
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