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From: Andi Kleen <ak@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	jolsa@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] perf stat: Basic support for TopDown in perf stat
Date: Mon, 30 May 2016 09:04:02 -0700	[thread overview]
Message-ID: <20160530160402.GI22049@tassilo.jf.intel.com> (raw)
In-Reply-To: <20160530160155.GQ8857@kernel.org>

> Which is a Broadwell-U, dual-core, 14 nm.
> 
> [root@jouet linux]# echo 0 > /proc/sys/kernel/nmi_watchdog
> [root@jouet linux]# perf stat --topdown -a usleep 1
> System does not support topdown
> [root@jouet linux]# cat /proc/sys/kernel/nmi_watchdog
> 0
> [root@jouet linux]#
> 
> Please advise.

You don't have the kernel patches?

They're in PeterZ's tree, but not yet in tip
https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git/log/?h=perf/core

-Andi

  reply	other threads:[~2016-05-30 16:04 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-24 19:52 [PATCH 1/4] perf stat: Basic support for TopDown in perf stat Andi Kleen
2016-05-24 19:52 ` [PATCH 2/4] perf stat: Add computation of TopDown formulas Andi Kleen
2016-06-01 14:50   ` Nilay Vaish
2016-06-01 14:56     ` Andi Kleen
2016-06-02 11:56       ` Nilay Vaish
2016-06-02 14:26         ` Andi Kleen
2016-06-08  8:39   ` [tip:perf/core] " tip-bot for Andi Kleen
2016-05-24 19:52 ` [PATCH 3/4] perf stat: Print topology/time headers with --metric-only Andi Kleen
2016-06-08  8:39   ` [tip:perf/core] " tip-bot for Andi Kleen
2016-05-24 19:52 ` [PATCH 4/4] perf stat: Add missing aggregation headers for --metric-only CSV Andi Kleen
2016-06-08  8:40   ` [tip:perf/core] " tip-bot for Andi Kleen
2016-05-30 16:01 ` [PATCH 1/4] perf stat: Basic support for TopDown in perf stat Arnaldo Carvalho de Melo
2016-05-30 16:04   ` Andi Kleen [this message]
2016-05-30 16:19     ` Arnaldo Carvalho de Melo
2016-06-06 14:00       ` Arnaldo Carvalho de Melo
2016-06-06 14:11         ` Arnaldo Carvalho de Melo
2016-06-06 14:36           ` Andi Kleen
2016-06-01 14:24 ` Nilay Vaish
2016-06-01 14:31   ` Andi Kleen
2016-06-01 15:24   ` Andi Kleen
2016-06-02 11:52     ` Nilay Vaish
2016-06-08  8:38 ` [tip:perf/core] " tip-bot for Andi Kleen

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