linux-kernel - Re: [patch] perf

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:	Tue, 07 Jul 2009 22:34:55 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Vince Weaver <vince@...ter.net>
Cc:	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] perf_counter: Add p6 PMU

On Tue, 2009-07-07 at 16:06 -0400, Vince Weaver wrote:
> OK, so I lied, I found time to throw together a p6 PMU patch.
> I've tested it on a Pentium III and it seems to be working.
> 
> I'm sure the patch still needs a lot of work.  I'm not sure how to 
> implement p6_pmu_enable_all().  There is no support for the various 
> cache-related counters.
> 
> The code is based on the info in the Intel Software Developer's Manual Vol 
> 3B, with some comments and code taken from the relevant perfmon2 patches.
> 
> There's a lot of overlap between the p6, intel, and amd methods.  Not sure 
> if it would be wise to merge up some of the common code.
> 
> I do have Pentium Pro, PII, and PIII hardware to test this on.  I also 
> have a Yonah-based laptop, but it might have architectural perfmon version 
> 1 despite being a p6-related core.
> 
> Let's hope this version of pine I am using doesn't do something stupid to 
> the whitespace in the patch.

Awesome, I'll try it on my pentium-3 mobile tomorrow.

Thanks!

--
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/