Re: [LKP] Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-11-09 Thread Xing Zhengjun
On 11/7/2020 4:55 AM, Matthew Wilcox wrote: On Mon, Nov 02, 2020 at 01:21:39PM +0800, Rong Chen wrote: we compared the tmpfs.ops_per_sec: (363 / 103.02) between this commit and parent commit. Thanks! I see about a 50% hit on my system, and this patch restores the performance. Can you veri

Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-11-06 Thread Matthew Wilcox
On Mon, Nov 02, 2020 at 01:21:39PM +0800, Rong Chen wrote: > we compared the tmpfs.ops_per_sec: (363 / 103.02) between this commit and > parent commit. Thanks! I see about a 50% hit on my system, and this patch restores the performance. Can you verify this works for you? diff --git a/mm/madvise

Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-11-02 Thread Matthew Wilcox
On Mon, Nov 02, 2020 at 01:21:39PM +0800, Rong Chen wrote: > On 10/30/20 10:58 PM, Matthew Wilcox wrote: > > Can you reproduce this? Here's my results: [snipped] > > Hi Matthew, > > IIUC, yes, we can reproduce it, here is the result from the server: > > $ stress-ng --timeout 100 --times --verif

Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-11-01 Thread Rong Chen
On 10/30/20 10:58 PM, Matthew Wilcox wrote: On Fri, Oct 30, 2020 at 10:02:45PM +0800, Chen, Rong A wrote: On 10/30/2020 9:17 PM, Matthew Wilcox wrote: On Fri, Oct 30, 2020 at 03:17:15PM +0800, kernel test robot wrote: Details are as below: ---

Re: [LKP] Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-10-30 Thread Philip Li
On Fri, Oct 30, 2020 at 02:58:35PM +, Matthew Wilcox wrote: > On Fri, Oct 30, 2020 at 10:02:45PM +0800, Chen, Rong A wrote: > > On 10/30/2020 9:17 PM, Matthew Wilcox wrote: > > > On Fri, Oct 30, 2020 at 03:17:15PM +0800, kernel test robot wrote: > > > > Details are as below: > > > > ---

Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-10-30 Thread Matthew Wilcox
On Fri, Oct 30, 2020 at 10:02:45PM +0800, Chen, Rong A wrote: > On 10/30/2020 9:17 PM, Matthew Wilcox wrote: > > On Fri, Oct 30, 2020 at 03:17:15PM +0800, kernel test robot wrote: > > > Details are as below: > > > -

Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-10-30 Thread Chen, Rong A
On 10/30/2020 9:17 PM, Matthew Wilcox wrote: On Fri, Oct 30, 2020 at 03:17:15PM +0800, kernel test robot wrote: Details are as below: --> To reproduce: git clone https://github.com/inte

Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

2020-10-30 Thread Matthew Wilcox
On Fri, Oct 30, 2020 at 03:17:15PM +0800, kernel test robot wrote: > Details are as below: > --> > > > To reproduce: > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests