linux-kernel - Re: [PATCH] x86: add the debugfs interface for the sysprof tool

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

Date:	Sat, 23 Feb 2008 13:51:34 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	"Arjan van de Ven" <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, sandmann@...hat.com,
	tglx@...x.de, hpa@...or.com
Subject: Re: [PATCH] x86: add the debugfs interface for the sysprof tool

On Sat, Feb 23, 2008 at 10:11 AM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
>  Seems a poor idea to me.  Sure, oprofile is "hard to set up", but not if
>  your distributor already did it for you.

Have you tried sysprof? It's really nice to setup and use compared to
oprofile when profiling user-space.

On Sat, Feb 23, 2008 at 10:11 AM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
>  This code adds a new kernel->userspace interface which is not even
>  documented in code comments.  It appears to use a pollable debugfs file in
>  /proc somewhere, carrying an unspecified payload.

Hmm, it does include <linux/proc_fs.h> but seems to set up a regular
debugfs directory (usually mounted in /sys/debug) and not proc. Arjan?
--
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/