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2017-03-27 - 06:51
OSADL Downloads

Download Driver-to-Program Signal Tester

Quick HOWTO

Download the file archive backfire-0.5.tgz and type:

# tar -zxvf backfire-0.5.tgz
# cd backfire-0.5
# make
# modprobe backfire

Test the principle of the backfire driver:

# head -1 /dev/backfire
0,0
# trap "echo Got signal 7" 7
# echo 7 >/dev/backfire
Got signal 7
# head -1 /dev/backfire
1234567890,123456

Start a measurement loop to check out your kernel's signal sending performance:

# ./sendme -a -p99 -l1000000
Samples: 1000000
To: Min 0, Cur 0, Avg 1, Max 11
From: Min 2, Cur 3, Avg 3, Max 43

Some more details are given in the respective man pages backfire.4 and sendme.8.

File archive

backfire-0.5.tgz

Utility sendme and backfire driver

5.5 K