[yocto-perf] Build Perf Test Report for CentOS Linux 7 (Core)

[Yocto CentOS 7 Build Perf Tester]

Yocto build performance test report.

TEST METADATA:
==============
                      CURRENT COMMIT          COMPARING WITH      
Hostname:             ypperf-centos7          ypperf-centos7      
Branch:               master                  master              
Commit number:        52022                   52012               
Commit:               793a82c2da639088884c    8a2e53b525ebc4f50c73
Number of test runs:  3                       5                   

TEST RESULTS:
=============
  test1: Build core-image-sato
           build time              1:30:47  ->  1:30:44          -2.9 s   -0.1 %
           tmpdir size           33.31 GiB  ->  33.31 GiB    +828.5 kiB   +0.0 %
           rootfs size          235.27 MiB  ->  235.27 MiB     +4.5 kiB   +0.0 %
                                                                                
  test12: Build virtual/kernel
           build time               7:52.8  ->  7:53.9           +1.2 s   +0.2 %
                                                                                
  test13: Build core-image-sato with rm_work enabled
           build time              1:32:14  ->  1:32:06          -8.8 s   -0.2 %
           tmpdir size            6.49 GiB  ->  6.49 GiB     -138.4 kiB   -0.0 %
                                                                                
  test2: Run core-image-sato do_rootfs with sstate
           do_rootfs time           2:12.9  ->  2:12.8          -0.09 s   -0.1 %
                                                                                
  test3: Bitbake parsing (bitbake -p)
           parse_1 time             27.2 s  ->  27.3 s          +0.07 s   +0.3 %
           parse_2 time             17.1 s  ->  17.1 s          +0.05 s   +0.3 %
           parse_3 time              1.8 s  ->  1.8 s           -0.00 s   -0.1 %
                                                                                
  test4: eSDK metrics
           installer_bin size     1.24 GiB  ->  1.24 GiB     +567.7 kiB   +0.0 %
           deploy time              2:12.1  ->  2:12.0          -0.07 s   -0.1 %
           deploy_dir size        4.05 GiB  ->  4.05 GiB      +73.1 kiB   +0.0 %
                                                                                

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