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Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression

From Linus Torvalds <torvalds@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression
Date 2016-08-16 01:10 +0200
Message-ID <s6zb3-3AC-1@gated-at.bofh.it> (permalink)
References (6 earlier) <s6ijU-1fL-21@gated-at.bofh.it> <s6yyl-38I-9@gated-at.bofh.it> <s6yyl-38I-11@gated-at.bofh.it> <s6yyl-38I-13@gated-at.bofh.it> <s6yyl-38I-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Aug 15, 2016 at 3:22 PM, Dave Chinner <david@fromorbit.com> wrote:
>
> Right, but that does not make the profile data useless,

Yes it does. Because it basically hides everything that happens inside
the lock, which is what causes the contention in the first place.

So stop making inane and stupid arguments, Dave.

Your profiles are shit. Deal with it, or accept that nobody is ever
going to bother working on them because your profiles don't give
useful information.

I see that you actually fixed your profiles, but quite frankly, the
amount of pure unadulterated crap you posted in this email is worth
reacting negatively to.

You generally make so much sense that it's shocking to see you then
make these crazy excuses for your completely broken profiles.

                 Linus

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Re: [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-11 01:10 +0200
  Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-11 02:00 +0200
    Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-11 02:20 +0200
      Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-11 02:30 +0200
        Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-11 02:40 +0200
          Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-11 03:10 +0200
            Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-11 06:50 +0200
              Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-15 19:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-16 02:30 +0200
            Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-11 18:00 +0200
              Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-11 19:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-11 20:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-11 22:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-11 22:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-11 22:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Al Viro <viro@ZenIV.linux.org.uk> - 2016-08-12 00:20 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-12 00:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-11 23:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-12 00:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-12 03:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-12 04:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-12 06:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-12 20:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-14 11:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-15 02:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-15 03:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-15 04:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-15 05:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-15 07:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-16 00:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-16 00:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 01:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 01:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-16 02:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Mel Gorman <mgorman@techsingularity.net> - 2016-08-16 17:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 20:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Michal Hocko <mhocko@kernel.org> - 2016-08-17 17:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Michal Hocko <mhocko@kernel.org> - 2016-08-17 18:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Mel Gorman <mgorman@techsingularity.net> - 2016-08-17 17:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Mel Gorman <mgorman@techsingularity.net> - 2016-08-18 02:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-18 09:20 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Mel Gorman <mgorman@techsingularity.net> - 2016-08-18 15:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-19 04:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-19 04:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Michal Hocko <mhocko@kernel.org> - 2016-08-19 11:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Mel Gorman <mgorman@techsingularity.net> - 2016-08-19 13:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-20 01:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-20 03:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Mel Gorman <mgorman@techsingularity.net> - 2016-08-20 14:20 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-19 06:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Mel Gorman <mgorman@techsingularity.net> - 2016-08-19 17:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-24 17:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-18 04:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 02:20 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-16 02:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 03:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-16 02:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 04:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-17 00:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-17 01:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 01:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-16 02:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-16 02:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Ingo Molnar <mingo@kernel.org> - 2016-08-15 07:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Peter Zijlstra <peterz@infradead.org> - 2016-08-17 18:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-15 15:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-12 04:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-12 04:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-12 05:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-12 05:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-12 06:20 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-12 07:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-12 08:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Ye Xiaolong <xiaolong.ye@intel.com> - 2016-08-12 08:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Ye Xiaolong <xiaolong.ye@intel.com> - 2016-08-12 11:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-12 12:10 +0200
                Re: [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-12 12:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-13 02:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-14 10:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-14 10:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-14 11:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-14 11:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%  regression Christoph Hellwig <hch@lst.de> - 2016-08-14 18:20 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-15 01:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-15 02:00 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-15 16:20 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-15 23:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-16 14:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-15 22:40 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6%     regression "Huang\, Ying" <ying.huang@intel.com> - 2016-08-23 00:10 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Fengguang Wu <fengguang.wu@intel.com> - 2016-08-16 15:30 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-14 12:00 +0200
          Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-11 03:20 +0200
            Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-11 03:40 +0200
              Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Ye Xiaolong <xiaolong.ye@intel.com> - 2016-08-11 04:50 +0200
                Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-11 05:20 +0200
            Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Dave Chinner <david@fromorbit.com> - 2016-08-12 03:30 +0200
  Re: [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression Linus Torvalds <torvalds@linux-foundation.org> - 2016-08-11 02:00 +0200

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