From: Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
To: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: "ira.weiny" <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Subject: [PATCH 0/3] IB 64 bit counter support V2
Date: Thu, 17 Dec 2015 13:52:55 -0600 [thread overview]
Message-ID: <20151217195255.334854705@linux.com> (raw)
V1->V2 Add detection of the capability for 64 bit counter support and lots
of improvements as a result of suggestions by Hal Rosenstock.
Currently we only use 32 bits for the packet and byte counters. There have been
extended countes available for some time but we have no support for those
yet upstream. We keep having issues with 32 bit counters wrapping. Especially
the byte counter can wrap frequently (as in multiple times per minute)
This patch adds 4 new counters and updates 4 32 bit counters to use the
64 bit sizes so that they no longer wrap.
Should the device not support 64 bit counters then only the original 32
bit counters will be visible.
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next reply other threads:[~2015-12-17 19:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-17 19:52 Christoph Lameter [this message]
2015-12-17 19:52 ` [PATCH 1/3] IB Core: Create get_perf_mad function in sysfs.c Christoph Lameter
[not found] ` <20151217195312.126391272-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
2015-12-17 20:12 ` Hal Rosenstock
[not found] ` <5684E027.4040006@sandisk.com>
[not found] ` <5684E027.4040006-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-01-04 3:47 ` ira.weiny
2015-12-17 19:52 ` [PATCH 2/3] IB core counters: Specify attribute_id in port_table_attribute Christoph Lameter
[not found] ` <20151217195312.228660904-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
2015-12-17 20:12 ` Hal Rosenstock
2015-12-17 19:52 ` [PATCH 3/3] bject: IB Core: Display extended counter set if available Christoph Lameter
[not found] ` <20151217195312.334770847-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
2015-12-17 20:11 ` Hal Rosenstock
[not found] ` <567316F7.9030707-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-17 21:28 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512171527060.22782-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-17 21:48 ` Hal Rosenstock
[not found] ` <56732D97.2080303-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-17 22:50 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512171649070.22782-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-17 23:19 ` Hal Rosenstock
[not found] ` <567342F5.5090000-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-18 13:39 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512180737150.32514-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-18 13:52 ` Hal Rosenstock
[not found] ` <56740F8C.4060703-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-18 15:46 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512180944540.1506-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-18 16:26 ` Hal Rosenstock
2015-12-17 20:40 ` Leon Romanovsky
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