39cc59635a
Simplify the build rules so that common libraries are always linked. Also fix up a couple of -lpciaccess instances that should have been changed to $(PCIACCESS_LIB). Change-Id: I4c50fa3aa59cae013d3385e38fbb830794299f6e Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Compiling
First, clone the fio source repository from http://github.com/axboe/fio
git clone http://github.com/axboe/fio
Then check out the fio 2.8 tag
cd fio && git checkout fio-2.8
Finally, compile the code with
./configure && make
Next, edit the CONFIG file located in the root of the SPDK repository and set CONFIG_FIO_PLUGIN to y and FIO_SOURCE_DIR to the location of the fio repository that was just created.
Further, you'll need to build DPDK with -fPIC set. You can do this by modifying your DPDK config file (i.e. config/defconfig_x86_64-native-linuxapp-gcc) to include the line
EXTRA_CFLAGS=-fPIC
At this point, build SPDK as per normal. The fio plugin will be placed in the same directory as this README.
Usage
To use the SPDK fio plugin with fio, simply set the following in the fio configuration file (see example_config.fio in the same directory as this README).
ioengine=<path to fio_plugin binary>
To select NVMe devices, you simply pass an identifier as the filename in the format
domain.bus.slot.func/namespace
Remember that NVMe namespaces start at 1, not 0! Also, the notation uses '.' throughout, not ':'. For example - 0000.04.00.0/1.