From: Tony Luck <tony.luck@gmail.com>
To: "J.A. Magallon" <jamagallon@able.es>
Cc: Eric Piel <eric.piel@tremplin-utc.net>,
jonathan@jonmasters.org, jonmasters@gmail.com,
"Linux-Kernel," <linux-kernel@vger.kernel.org>
Subject: Re: /proc/kcore size incorrect ? (OT)
Date: Tue, 25 Oct 2005 11:04:12 -0700 [thread overview]
Message-ID: <12c511ca0510251104s5b1fbb10u17b6146528793ad8@mail.gmail.com> (raw)
In-Reply-To: <36402397-77C9-49A7-A143-2C672FC90934@able.es>
> My concerns were about if the size of /proc/kcore should be what it is
> now, and why...
/proc/kcore is an ELF format file (try using objdump(1) to read
headers from it).
The data within the file may be sparse (especially on discontig
and NUMA systems). So the size just represents the end of
the highest addressed memory section. E.g. on my desktop:
$ ls -l /proc/kcore
-r-------- 1 root root 4611686019496083456 Oct 25 09:52 /proc/kcore
-Tony
prev parent reply other threads:[~2005-10-25 18:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-23 21:58 /proc/kcore size incorrect ? J.A. Magallon
2005-10-23 23:13 ` Jon Masters
2005-10-23 23:57 ` J.A. Magallon
2005-10-24 12:02 ` Jon Masters
2005-10-24 14:19 ` Stefan Smietanowski
2005-10-25 12:04 ` Matan Peled
2005-10-25 13:37 ` Brian Waite
2005-10-25 16:02 ` /proc/kcore size incorrect ? (OT) Eric Piel
2005-10-25 16:06 ` J.A. Magallon
2005-10-25 18:04 ` Tony Luck [this message]
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