linux-kernel - Re: [PATCH v2 0/3] perf,x86: add Intel RAPL PMU support

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]

Message-ID: <20131023070748.GB7756@tassilo.jf.intel.com>
Date:	Wed, 23 Oct 2013 00:07:48 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>, Jiri Olsa <jolsa@...hat.com>,
	"Yan, Zheng" <zheng.z.yan@...el.com>
Subject: Re: [PATCH v2 0/3] perf,x86: add Intel RAPL PMU support

> # perf stat -a -e power/energy-cores/,power/energy-pkg/,ref-cycles -I
> 1000 sleep 1000
> #           time        unit            counts events
>      1.000264953      Joules              2.09 power/energy-cores/
>   [100.00%]
>      1.000264953      Joules              5.94 power/energy-pkg/
>      1.000264953                   160,530,320 ref-cycles
>      2.000640422      Joules              2.07 power/energy-cores/
>      2.000640422      Joules              5.94 power/energy-pkg/
>      2.000640422                   152,673,056 ref-cycles
>      3.000964416      Joules              2.08 power/energy-cores/
>      3.000964416      Joules              5.93 power/energy-pkg/
>      3.000964416                   158,779,184 ref-cycles

Can you add some column marker that there is no unit (like -) ? 

This is just in case someone wants to parse this with a tool. Yes they
should be using -x, but it is still better to be always parseable.

-Andi
--
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/