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IDProjectCategoryView StatusLast Update
0017211CentOS-8kernelpublic2020-04-01 02:54
Reporterwenhuanh 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
Platformdual-socket Xeon Platinum 8280L OSCentOS StreamOS Version8
Product Version8.0.1905 
Target VersionFixed in Version 
Summary0017211: Kernel upgrade results in performance regression with sqlite-speedtest / iozone / compilebench / fs-mark
DescriptionWith Kernel 4.18.0-168, the following benchmarks have performance regression compared to that with Kernel 4.18.0-151 when measured by Phoronix Test Suite.

+--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+
     benchmark indicator Prop kernel 4.18.0-151 kenrel 4.18.0-168 regression
+--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+
     iozone Record Size: 4Kb
                                       - File Size: 2GB HIB 5340.57 (RSD=2.87%) 4477.19 (RSD=4.94%) -16.15%
                                   - Disk Test: Read Performance
+--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+
 sqlite-speedtest none LIB 63.12 (RSD=0.53%) 67.95 (RSD=0.91%) -7.66%
+--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+
    compilebench Test: Read Compiled Tree HIB 2487.41 (RSD=0.91%) 2324.60 (RSD=1.33%) -6.54%
+--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+
    fs-mark 1000 Files, 1MB Size,No Sync/FSync HIB 2757.12 (RSD=0.56%) 2594.28 (RSD=0.37%) -5.91%
+--------------------------+------------------------------------------------------+---------+---------------------------------+---------------------------------+----------------+
Steps To Reproduce1. Download phoronix-test-suite (as attached)
2. Install phoronix
     tar zxf ~/phoronix-test-suite-8.4.1.tar.gz
     cd ~/phoronix-test-suite
     sudo ~/phoronix-test-suite/install-sh
     phoronix-test-suite
     phoronix-test-suite network-setup
     phoronix-test-suite batch-setup
3. Run benchmark
     phoronix-test-suite run iozone-1.9.5
     phoronix-test-suite run sqlite-speedtest-1.0.0
     phoronix-test-suite run compilebench-1.0.2
     phoronix-test-suite run fs-mark-1.0.2
Additional InformationHardware:
    Processor 2 x Intel Xeon Platium 8280L @ 2.70 GHZ (56 Cores/112 Threads)
    Motherboard Intel S2600WF (02.01.0008 BIOS with default settings)
    Memory 384G DDR4-2933 (12 x 32G)
    Disk 1600GB INTEL SSDPE2KE016T8
    Graphics ASPEED Family
    Network Intel Connection X722 for 10GBASE-T
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Activities

wenhuanh

wenhuanh

2020-04-01 02:54

reporter  

phoronix-test-suite-8.4.1.tar.gz (873,706 bytes)

Issue History

Date Modified Username Field Change
2020-04-01 02:54 wenhuanh New Issue
2020-04-01 02:54 wenhuanh File Added: phoronix-test-suite-8.4.1.tar.gz