From: Dan Williams <dan.j.williams@intel.com>
To: Keith Busch <keith.busch@intel.com>
Cc: Brice Goglin <Brice.Goglin@inria.fr>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
Linux MM <linux-mm@kvack.org>,
Linux API <linux-api@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rafael Wysocki <rafael@kernel.org>,
Dave Hansen <dave.hansen@intel.com>
Subject: Re: [PATCHv6 06/10] node: Add memory-side caching attributes
Date: Fri, 22 Feb 2019 10:20:08 -0800 [thread overview]
Message-ID: <CAPcyv4itkDiPYAqkT4e0i8nQXKAEZCUQsFk8jACEJ__tZwUh3Q@mail.gmail.com> (raw)
In-Reply-To: <20190222180944.GD10237@localhost.localdomain>
On Fri, Feb 22, 2019 at 10:09 AM Keith Busch <keith.busch@intel.com> wrote:
>
> On Fri, Feb 22, 2019 at 11:12:38AM +0100, Brice Goglin wrote:
> > Le 14/02/2019 à 18:10, Keith Busch a écrit :
> > > +What: /sys/devices/system/node/nodeX/memory_side_cache/indexY/size
> > > +Date: December 2018
> > > +Contact: Keith Busch <keith.busch@intel.com>
> > > +Description:
> > > + The size of this memory side cache in bytes.
> >
> >
> > Hello Keith,
> >
> > CPU-side cache size is reported in kilobytes:
> >
> > $ cat
> > /sys/devices/system/cpu/cpu0/cache/index*/size
> >
> > 32K
> > 32K
> > 256K
> > 4096K
> >
> > Can you do the same of memory-side caches instead of reporting bytes?
>
> Ok, will do.
Ugh, please no. Don't optimize sysfs for human consumption. That 'K'
now needs to be parsed.
next prev parent reply other threads:[~2019-02-22 18:20 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 17:10 [PATCHv6 00/10] Heterogenous memory node attributes Keith Busch
2019-02-14 17:10 ` [PATCHv6 01/10] acpi: Create subtable parsing infrastructure Keith Busch
2019-02-14 17:10 ` [PATCHv6 02/10] acpi: Add HMAT to generic parsing tables Keith Busch
2019-02-14 17:10 ` [PATCHv6 03/10] acpi/hmat: Parse and report heterogeneous memory Keith Busch
2019-02-14 17:10 ` [PATCHv6 04/10] node: Link memory nodes to their compute nodes Keith Busch
2019-02-14 17:10 ` [PATCHv6 05/10] node: Add heterogenous memory access attributes Keith Busch
2019-02-14 17:10 ` [PATCHv6 06/10] node: Add memory-side caching attributes Keith Busch
2019-02-22 10:12 ` Brice Goglin
2019-02-22 18:09 ` Keith Busch
2019-02-22 18:20 ` Dan Williams [this message]
2019-02-22 10:22 ` Brice Goglin
2019-02-22 18:13 ` Keith Busch
2019-02-14 17:10 ` [PATCHv6 07/10] acpi/hmat: Register processor domain to its memory Keith Busch
2019-02-20 22:02 ` Rafael J. Wysocki
2019-02-20 22:11 ` Dave Hansen
2019-02-20 22:13 ` Dan Williams
2019-02-20 22:16 ` Rafael J. Wysocki
2019-02-20 22:20 ` Dan Williams
2019-02-20 22:21 ` Rafael J. Wysocki
2019-02-20 22:44 ` Keith Busch
2019-02-20 22:50 ` Rafael J. Wysocki
2019-02-22 18:48 ` Keith Busch
2019-02-22 19:21 ` Dan Williams
2019-02-24 20:07 ` Rafael J. Wysocki
2019-02-24 19:59 ` Rafael J. Wysocki
2019-02-25 16:51 ` Keith Busch
2019-02-25 22:30 ` Rafael J. Wysocki
2019-03-07 11:49 ` Brice Goglin
2019-03-07 15:19 ` Keith Busch
2019-02-14 17:10 ` [PATCHv6 08/10] acpi/hmat: Register performance attributes Keith Busch
2019-02-20 22:04 ` Rafael J. Wysocki
2019-02-14 17:10 ` [PATCHv6 09/10] acpi/hmat: Register memory side cache attributes Keith Busch
2019-02-20 22:05 ` Rafael J. Wysocki
2019-02-14 17:10 ` [PATCHv6 10/10] doc/mm: New documentation for memory performance Keith Busch
2019-02-18 14:25 ` [PATCHv6 00/10] Heterogenous memory node attributes Brice Goglin
2019-02-19 17:20 ` Keith Busch
2019-02-20 18:25 ` Keith Busch
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