10-19-2013
rm -r is an old chestnut.
ifconfig -a 1 has a surprising impact - at least on Solaris.
Also good on Unix: crontab. Hanging. Now don't terminate with ^D, this will wipe the crontab. Dito with ^C on some buggy implementations.
This User Gave Thanks to MadeInGermany For This Post:
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LEARN ABOUT DEBIAN
ib_write_bw_postlist
ib_write_bw_postlist(1) User Commands ib_write_bw_postlist(1)
NAME
ib_write_bw_postlist - RDMA write post list bandwidth test
SYNOPSIS
ib_write_bw_postlist [ options ] [ server IP address ]
DESCRIPTION
This program tests the bandwidth of RMDA write transactions.
OPTIONS
-p, --port=<port>
listen on/connect to port <port> (default 18515)
-d, --ib-dev=<dev>
use IB device <dev> (default first device found)
-i, --ib-port=<port>
use port <port> of IB device (default 1)
-c, --connection=<RC/UC>
connection type RC/UC (default RC)
-m, --mtu=<mtu>
mtu size (256 - 4096. default for hermon is 2048)
-g, --post=<num of posts>
number of posts for each qp in the chain (default tx_depth)
-q, --qp=<num of qp's>
Num of qp's(default 1)
-s, --size=<size>
size of message to exchange (default 65536)
-a, --all
Run sizes from 2 till 2^23
-t, --tx-depth=<dep>
size of tx queue (default 100)
-n, --iters=<iters>
number of exchanges (at least 2, default 5000)
-I, --inline_size=<size>
max size of message to be sent in inline mode (default 400)
-b, --bidirectional
measure bidirectional bandwidth (default unidirectional)
-V, --version
display version number
-F, --CPU-freq
do not fail even if cpufreq_ondemand module is loaded
AUTHOR
Guy Coates < gmpc@sanger.ac.uk >
perftest February 20, 2008 ib_write_bw_postlist(1)