云主机内存性能测试记录

2021-01-25

字数统计: 650字 | 阅读时长≈ 3分

1.测试说明

测试的主要项目有：随机值、异或比较、减法、乘法、除法、与或运算等等。通过给定内存的大小和次数，对系统现有的内存进行测试，观察内存稳定状态。

2.部署测试环境

[root@leoheng source]# wget http://pyropus.ca/software/memtester/old-versions/memtester-4.5.0.tar.gz
--2021-01-25 12:59:15--  http://pyropus.ca/software/memtester/old-versions/memtester-4.5.0.tar.gz
Resolving pyropus.ca (pyropus.ca)... 96.126.125.117
Connecting to pyropus.ca (pyropus.ca)|96.126.125.117|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 23286 (23K) [application/x-gzip]
Saving to: ‘memtester-4.5.0.tar.gz’

100%[========================================================================>] 23,286       109KB/s   in 0.2s   

2021-01-25 12:59:18 (109 KB/s) - ‘memtester-4.5.0.tar.gz’ saved [23286/23286]

[root@leoheng source]# tar -xf memtester-4.5.0.tar.gz 
[root@leoheng source]# cd memtester-4.5.0
[root@leoheng memtester-4.5.0]# make && make install 
( cat warn-auto.sh; \
echo CC=\'`head -1 conf-cc`\'; \
echo LD=\'`head -1 conf-ld`\' \
) > auto-ccld.sh
cat auto-ccld.sh make-compile.sh > make-compile
chmod 755 make-compile
cat auto-ccld.sh find-systype.sh > find-systype
chmod 755 find-systype
./find-systype > systype
( cat warn-auto.sh; ./make-compile "`cat systype`" ) > \
compile
chmod 755 compile
./compile memtester.c
./compile tests.c
cat auto-ccld.sh make-load.sh > make-load
chmod 755 make-load
( cat warn-auto.sh; ./make-load "`cat systype`" ) > load
chmod 755 load
./extra-libs.sh "`cat systype`" >extra-libs
./load memtester tests.o `cat extra-libs`
mkdir -m 755 -p /usr/local/bin
install -m 755 memtester /usr/local/bin/
mkdir -m 755 -p /usr/local/man/man8
gzip -c memtester.8 >memtester.8.gz ; install -m 644 memtester.8.gz /usr/local/man/man8/
[root@leoheng memtester-4.5.0]#

3.进行内存性能测试

[root@leoheng ~]# memtester --version
memtester version 4.5.0 (64-bit)
Copyright (C) 2001-2020 Charles Cazabon.
Licensed under the GNU General Public License version 2 (only).

pagesize is 4096
pagesizemask is 0xfffffffffffff000
memtester: invalid option -- '-'

Usage: memtester [-p physaddrbase [-d device]] <mem>[B|K|M|G] [loops]
[root@leoheng ~]# memtester 1G 1
memtester version 4.5.0 (64-bit)
Copyright (C) 2001-2020 Charles Cazabon.
Licensed under the GNU General Public License version 2 (only).

pagesize is 4096
pagesizemask is 0xfffffffffffff000
want 1024MB (1073741824 bytes)
got  1024MB (1073741824 bytes), trying mlock ...locked.
Loop 1/1:
  Stuck Address       : ok         
  Random Value        : ok
  Compare XOR         : ok
  Compare SUB         : ok
  Compare MUL         : ok
  Compare DIV         : ok
  Compare OR          : ok
  Compare AND         : ok
  Sequential Increment: ok
  Solid Bits          : ok         
  Block Sequential    : ok         
  Checkerboard        : ok         
  Bit Spread          : ok         
  Bit Flip            : ok         
  Walking Ones        : ok         
  Walking Zeroes      : ok         
  8-bit Writes        : ok
  16-bit Writes       : ok

Done.
[root@leoheng ~]#

本文作者： Leoheng
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