linux-kernel - Re: [PATCH 1/2] perf tools: add event modifier to request exclusive PMU access

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:	Fri, 19 Oct 2012 17:47:11 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 1/2] perf tools: add event modifier to request exclusive
 PMU access

On Fri, Oct 19, 2012 at 5:23 PM, Jiri Olsa <jolsa@...hat.com> wrote:
> On Fri, Oct 19, 2012 at 05:17:57PM +0200, Stephane Eranian wrote:
>> On Fri, Oct 19, 2012 at 5:13 PM, Peter Zijlstra <peterz@...radead.org> wrote:
>> > On Fri, 2012-10-19 at 16:52 +0200, Stephane Eranian wrote:
>> >> -modifier_event [ukhpGH]{1,8}
>> >> +modifier_event [ukhpGHx]{1,8}
>> >
>> > wouldn't the max modifier sting length grow by adding another possible
>> > modifier?
>>
>> That's what I thought too, but then I don't understand why it was at
>> eight before and not
>> seven: One instance of each letter, + a second for pp (precise=2). Or
>> am I missing
>> something here?
>
> hm, I think I assumed for some reason that 'ppp' is valid as well
>
If that's the case, then yes, I need to bump that number to 9.

> jirka
--
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/