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From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: lkp@lists.01.org
Subject: Re: [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression
Date: Wed, 01 Jun 2016 11:48:33 +0200	[thread overview]
Message-ID: <1464774513.4023.78.camel@gmail.com> (raw)
In-Reply-To: <87inxtjnnb.fsf@yhuang-dev.intel.com>

[-- Attachment #1: Type: text/plain, Size: 440 bytes --]

On Wed, 2016-06-01 at 16:53 +0800, Huang, Ying wrote:

> You mean the commit is a functionality fix?

Yup.

These kind of things can be a bit annoying.  The fix to not subtract
load that we never added in the first place also pushed hackbench
around a bit.  Do anything at all with load_avg, you're gonna push
this/that benchmark around a bit, and folks who watch numbers closely
can end up chasing meaningless deltas.

	-Mike

WARNING: multiple messages have this Message-ID (diff)
From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: "Huang, Ying" <ying.huang@intel.com>,
	Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	lkp@01.org, linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression
Date: Wed, 01 Jun 2016 11:48:33 +0200	[thread overview]
Message-ID: <1464774513.4023.78.camel@gmail.com> (raw)
In-Reply-To: <87inxtjnnb.fsf@yhuang-dev.intel.com>

On Wed, 2016-06-01 at 16:53 +0800, Huang, Ying wrote:

> You mean the commit is a functionality fix?

Yup.

These kind of things can be a bit annoying.  The fix to not subtract
load that we never added in the first place also pushed hackbench
around a bit.  Do anything at all with load_avg, you're gonna push
this/that benchmark around a bit, and folks who watch numbers closely
can end up chasing meaningless deltas.

	-Mike

  reply	other threads:[~2016-06-01  9:48 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-31  8:20 [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression kernel test robot
2016-05-31  8:20 ` [lkp] " kernel test robot
2016-05-31  8:34 ` Huang, Ying
2016-05-31  8:34   ` [LKP] [lkp] " Huang, Ying
2016-05-31 12:41   ` Peter Zijlstra
2016-05-31 12:41     ` [LKP] [lkp] " Peter Zijlstra
2016-06-01  5:00     ` Huang, Ying
2016-06-01  5:00       ` [LKP] [lkp] " Huang, Ying
2016-06-01  8:40       ` Peter Zijlstra
2016-06-01  8:40         ` [LKP] [lkp] " Peter Zijlstra
2016-06-01  8:53         ` Huang, Ying
2016-06-01  8:53           ` [LKP] [lkp] " Huang, Ying
2016-06-01  9:48           ` Mike Galbraith [this message]
2016-06-01  9:48             ` Mike Galbraith
2016-06-02  0:28             ` Huang, Ying
2016-06-02  0:28               ` [LKP] [lkp] " Huang, Ying
2016-06-02  0:44               ` Mike Galbraith
2016-06-02  0:44                 ` [LKP] [lkp] " Mike Galbraith

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