办理鲲鹏arm服务器运行vdbench50406

项目场景：

通常从oracle官网下载的工具是基于x86架构。在鲲鹏arm平台上，直接使用vdbench50406，会产生“缺少aarch64.so文件”的报错。
因此，若想正常使用，这里需要办理“aarch64.so”重新编译的问题。

---

问题形貌

1.缺少共享库“aarch64.so”而产生的报错：
比方：

1. root@client:~$ ./vdbench -t
4. Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
5. Vdbench distribution: vdbench50406 Tue June 05  9:49:29 MDT 2018
6. For documentation, see 'vdbench.pdf'.
8. 15:11:24.571 Created output directory '/xxx/output'
9. 15:11:24.720 input argument scanned: '-f/tmp/parmfile'
10. 15:11:24.870 Starting slave: /xxx/vdbench SlaveJvm -m localhost -n localhost-10-190124-15.11.24.528 -l localhost-0 -p 5570
11. 15:11:24.892
12. 15:11:24.893 File /xxx/linux/aarch64.so does not exist.
13. 15:11:24.893 This may be an OS that a shared library currently
14. 15:11:24.893 is not available for. You may have to do your own compile.
15. 15:11:24.893 t: java.lang.UnsatisfiedLinkError: Can't load library: /xxx/linux/aarch64.so
16. 15:11:24.893
17. 15:11:24.894 Loading of shared library /home/me/linux/aarch64.so failed.
18. 15:11:24.894 There may be issues related to a cpu type not being
19. 15:11:24.894 acceptable to Vdbench, e.g. MAC PPC vs. X86
20. 15:11:24.894 Contact me at the Oracle Vdbench Forum for support.
21. 15:11:24.894
22. 15:11:25.397
23. 15:11:25.397 Failure loading shared library
24. 15:11:25.398
25. java.lang.RuntimeException: Failure loading shared library
26.         at Vdb.common.failure(common.java:350)
27.         at Vdb.common.get_shared_lib(common.java:1103)
28.         at Vdb.Native.<clinit>(Native.java:31)
29.         at Vdb.common.signal_caller(common.java:737)
30.         at Vdb.ConnectSlaves.connectToSlaves(ConnectSlaves.java:98)
31.         at Vdb.Vdbmain.masterRun(Vdbmain.java:814)
32.         at Vdb.Vdbmain.main(Vdbmain.java:628)

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缘故起因是vdbench根目次下/linux/linux64.so是为x86编译的,需要重新编译linux64.so

1. root@client:~$ file linux/linux64.so
2. linux/linux64.so: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=34a31f32956f21153c372a95e73c02e84ddd29f8, not stripped

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ARM版本的aarch64.so编译

下载，解压源码包： 需要同意license
下载地点：https://www.oracle.com/downloads/server-storage/vdbench-source-downloads.html

1. unzip vdbench50406.src.zip

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进入src创建linux目次

1. cd src/
2. mkdir linux

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进入Jni修改make.linux。主要修改: + 修改vdb为源码包src的路径 + 修改java为jdk路径。一样平常在/usr/lib/jvm/下 + 去除-m32和m64选项

1. cd Jni/
2. vim make.linux

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参考如下修改方法:

1. ###修改1###
2. --- vdb=$mine/vdbench504
3. --- java=/net/sbm-240a.us.oracle.com/export/swat/swat_java/linux/jdk1.5.0_22/
4. +++ vdb=/home/user1/open_software/vdbench/src
5. +++ java=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.232.b09-0.el7_7.aarch64/
7. ###修改2###
8. --- INCLUDES32="-w -m32 -DLINUX -I$java/include -I/$java/include/linux -I/usr/include/ -fPIC"
9. --- INCLUDES64="-w -m64 -DLINUX -I$java/include -I/$java/include/linux -I/usr/include/ -fPIC"
10. +++ INCLUDES32="-w -DLINUX -I$java/include -I/$java/include/linux -I/usr/include/ -fPIC"
11. +++ INCLUDES64="-w -DLINUX -I$java/include -I/$java/include/linux -I/usr/include/ -fPIC"
13. ###修改3###
14. --- gcc  -o   $vdb/linux/linux32.so vdbjni.o vdblinux.o vdb_dv.o vdb.o chmod.o -lm -shared  -m32 -lrt
15. +++ gcc  -o   $vdb/linux/linux32.so vdbjni.o vdblinux.o vdb_dv.o vdb.o chmod.o -lm -shared -lrt
17. ###修改4###
18. --- gcc  -o   $vdb/linux/linux64.so vdbjni.o vdblinux.o vdb_dv.o vdb.o chmod.o -lm -shared -m64 -lrt
19. +++ gcc  -o   $vdb/linux/linux64.so vdbjni.o vdblinux.o vdb_dv.o vdb.o chmod.o -lm -shared -lrt

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执行make.linux，会在src/linux/下天生linux32.so和linux64.so文件，我们这里需要的是天生的64位的文件。
但这里会产生报错：

1. [root@client Jni]# ./make.linux
2. target directory: /tmp/test50406/src
3. Compiling 32 bit
4. In file included from /tmp/test50406/src/Jni/vdbjni.c:13:
5. /tmp/test50406/src/Jni/vdbjni.h:89:16: error: duplicate ‘unsigned’
6. #define ushort unsigned short
7.                 ^~~~~~~~
8. /tmp/test50406/src/Jni/vdbjni.h:89:25: error: duplicate ‘short’
9. #define ushort unsigned short
10.                          ^~~~~
11. /tmp/test50406/src/Jni/vdbjni.h:87:16: error: duplicate ‘unsigned’
12. #define uint   unsigned int
13.                 ^~~~~~~~
14. /tmp/test50406/src/Jni/vdbjni.h:87:25: error: two or more data types in declaration specifiers
15. #define uint   unsigned int
16.                          ^~~
17. In file included from /tmp/test50406/src/Jni/vdblinux.c:18:
18. /tmp/test50406/src/Jni/vdbjni.h:89:16: error: duplicate ‘unsigned’
19. #define ushort unsigned short
20.                 ^~~~~~~~
21. /tmp/test50406/src/Jni/vdbjni.h:89:25: error: duplicate ‘short’
22. #define ushort unsigned short
23.                          ^~~~~
24. /tmp/test50406/src/Jni/vdbjni.h:87:16: error: duplicate ‘unsigned’
25. #define uint   unsigned int
26.                 ^~~~~~~~
27. /tmp/test50406/src/Jni/vdbjni.h:87:25: error: two or more data types in declaration specifiers
28. #define uint   unsigned int
29.                          ^~~
30. In file included from /tmp/test50406/src/Jni/vdb_dv.c:13:
31. /tmp/test50406/src/Jni/vdbjni.h:89:16: error: duplicate ‘unsigned’
32. #define ushort unsigned short
33.                 ^~~~~~~~
34. /tmp/test50406/src/Jni/vdbjni.h:89:25: error: duplicate ‘short’
35. #define ushort unsigned short
36.                          ^~~~~
37. /tmp/test50406/src/Jni/vdbjni.h:87:16: error: duplicate ‘unsigned’
38. ......

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根据报错内容，我们需要再次修改源码包中的‘’vdbjni.h‘’文件。
修改如下：

1. ###将这三句话注释掉##
2. #define uint   unsigned int
3. #define uchar  unsigned char
4. #define ushort unsigned short
6. ###替换成这三句话###
7. typedef unsigned int   uint;
8. typedef unsigned char  uchar;
9. typedef unsigned short ushort;

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如图：

再次编译即可通过：

1. root@client:~/vdbench50406/src/Jni$ ./make.linux
2. target directory: /xxx/vdbench50406/src/
3. Compiling 32 bit
4. Linking 32 bit
6. Compiling 64 bit
7. Linking 64 bit
9. cp linux64.so aarch64.so
10. cp aarch64.so ~/vdbench50406/linux/

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这里我们将天生的linux64.so重定名为aarch64.so并复制到二进制包（注意不是源码包）的linux/目次下即可。
放到这个位置：

再次验证即可正常使用。

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