linux-kernel - Re: [PATCH 1/2] perf_counter: tools: Make :u and :k exclude hypervisor

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: <20090630115732.GA7611@elte.hu>
Date:	Tue, 30 Jun 2009 13:57:32 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] perf_counter: tools: Make :u and :k exclude
	hypervisor


* Paul Mackerras <paulus@...ba.org> wrote:

> Ingo Molnar writes:
> 
> > Hm, mind fixing the full range of problems with these flags 
> > please?
> 
> Sure, looking at it now.
> 
> One thing I'd like to do is add complete lists of hardware events 
> for each processor so that perf can tell you the full set of 
> things you can measure, and can let you ask for them without 
> having to know raw event codes. [...]

Excellent.

> [...] I know how to work out which processor we're running on for 
> powerpc; for x86 I assume cpuid or something similar is usable 
> from userspace, is it?

Yeah. /proc/cpuinfo can be read as well.

	Ingo
--
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/