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README.md

IRQSpam

A module that attempts to trigger the regression between 3.2.x and 3.17.

Compile

ln -sf <linux_src_tree> linux
make

Usage

insmod irqspam.ko
# wait a bit
rmmod irqspam.ko
dmesg | grep irqspam

What it does

When loaded, IRQSpam create a kernel thread (irqspam), which is an infinite loop that triggers a tasklet on the current CPU. The goal is to trigger as many soft IRQs as possible.

When unloaded, the module prints the number of spawned IRQs.

About

a dummy kernel module that spams a CPU with soft IRQs

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