bandwidth 0.16 (Default branch)

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01-28-2009

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bandwidth 0.16 (Default branch)

bandwidth is a benchmark to estimate the memory bandwidth of a system, including main memory, L2 cache, framebuffer memory, and string library performance. License: GNU General Public License (GPL) Changes:
x86_64 assembly code was added for 64-bit Linux. Both 64-bit transfers and 128-bit SSE2 transfers were implemented. Version 0.16 is really a 64-bit only release. Use version 0.15 for 32-bit. You will need Nasm 2 to assemble x86_64 code.

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LEARN ABOUT DEBIAN

bwbar

BWBAR(8)						      System Manager's Manual							  BWBAR(8)

NAME

       bwbar - generates text and graphical readout of current bandwidth use.

SYNOPSIS

       bwbar [-i|-o] [-g|-G|-k|-K|-m|-M] [OPTION]... INTERFACE MAX_MBPS

DESCRIPTION

       Generates text and graphical readout of current bandwidth use.

OPTIONS

       -b, --border=N
	      Set border width of the graphical bar to N (default 1 pixel).

       -d, --directory=N
	      Output directory is N.

       -f, --text-file=N
	      Set N as name of the text output file (default ubar.txt).

       -h, --help
	      Display usage.

       -p, --png-file=N
	      Set N as name of the graphical bar file (default ubar.png).

       -t, --interval=N
	      The poll interval in seconds is N (default 15 seconds).

       -x, --width=N
	      Set the width of the graphical bar to N (default 600 pixels).

       -y, --height=N
	      Set the height of the graphical bar to N (default 4 pixels).

FLAGS

       -i, --input
	      Measure input bandwidth.

       -g, --GBps
	      Bandwidth is measured in GB/s.

       -G, --Gbps
	      Bandwidth is measured in Gbit/s.

       -k, --kbps
	      Bandwidth is measured in kbit/s.

       -K, --KBps
	      Bandwidth is measured in KB/s.

       -m, --MBps
	      Bandwidth is measured in MB/s.

       -M, --Mbps
	      Bandwidth is measured in Mbit/s.

       -o, --output
	      Measure output bandwidth.

       Default values are -M and -o.

AUTHOR

       Written by Nacho Barrientos Arias <chipi@criptonita.com>.

BUGS

       Report bugs to <hpa@zytor.com>.

COPYRIGHT

       Copyright (C) 1999-2001 H. Peter Anvin - All Rights Reserved
       This  program  is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation, Inc.

SEE ALSO

       You can get all the available information for bwbar in:

	      http://www.kernel.org/pub/software/web/bwbar/

bwbar 1.2.3							   Apr. 18, 2006							  BWBAR(8)

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