linux-kernel - Re: [PATCH 1/2] tools, perf: Add a precise event qualifier v2

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: <20130913174802.GU11427@tassilo.jf.intel.com>
Date:	Fri, 13 Sep 2013 10:48:02 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>, Ingo Molnar <mingo@...nel.org>,
	Vince Weaver <vince@...ter.net>, acme@...radead.org,
	linux-kernel@...r.kernel.org,
	Stephane Eranian <eranian@...gle.com>,
	torvalds@...ux-foundation.org, trinity@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...il.com>
Subject: Re: [PATCH 1/2] tools, perf: Add a precise event qualifier v2

> Typically PMU drivers are per arch and all the format stuff is per pmu
> driver so I'd not worry about that just yet.

That's a good point. So hard coded numbers would be fine for now.

> Yes, that is an unfortunate situation. I (and either Acme or Jolsa)
> tried wrapping the bitfield in an anonymous union to create a named
> variable for the entire u64 but older GCC completely fails with that.

In theory it's possible by parsing readelf output.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
--
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/