Install and use the Linux memory testing tool Memtester

Memtester is a user-mode tool used to test memory subsystem faults. It is very convenient and supports 32-bit or 64-bit Unix-like systems. For hardware developers, memtester can locate the physical address.

Refer:

Linux memory testing tool memtester

1. Install

Http://pyropus.ca/software/memtester/

Memtester-4.2.2.tar.gz source code package is obtained.

# Tar-zxvf memtester-4.2.2.tar.gz

# Make

# Make install

2. Test

./Memtester [-p physaddrbase] <mem> [B | K | M | G] [loops]

Where:

Physaddrbase: the physical address to be tested;

<Mem> [B | K | M | G]: test the memory size;

[Loops]: number of tests

Case:

[Root @ RedHat memtester-4.2.2] #./memtester-p 0x0a0000 4 k 1

Memtester version 4.2.2 (32-bit)

Copyright (C) 2010 Charles Cazabon.

Licensed under the GNU General Public License version 2 (only ).

 

Pagesize is 4096

Pagesizemask is 0xfffff000

Want 0 MB (4096 bytes)

Loop 1/1:

Stuck Address: testing 0 FAILURE: possible bad address line at physical address 0x000a0000.

Skipping to next test...

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 @ RedHat memtester-4.2.2] #

Recommended reading:

Simple use of Wireshark

Network Traffic Statistics utility nicstat

Use tcpdump in Linux

Linux network packet capture tcpdump

Install and use the Linux Network Testing Tool Netperf