linux-kernel - Re: [patch] Export Last Level Cache topology to userspace

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20061119170458.A11031@unix-os.sc.intel.com>
Date:	Sun, 19 Nov 2006 17:04:58 -0800
From:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
To:	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, ak@...e.de, akpm@...l.org
Subject: Re: [patch] Export Last Level Cache topology to userspace

On Sun, Nov 19, 2006 at 12:15:20PM +0100, Arjan van de Ven wrote:
> right now the sysfs topology information exports things like sibling
> maps (which cpu is a hyperthreading peer of another) and which "linux
> cpus" share the physical package. The patch below adds a bitmap in the
> same style that exports which "linux cpus" share the last level cache.

Arjan, This info is already exported today through

/sys/devices/system/cpu/cpuX/cache/indexY/shared_cpu_map

thanks,
suresh
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/