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numam-spdk
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Daniel Verkamp c9cc869a3e nvme/perf: add Linux libaio benchmarking support 
This allows comparing the Linux kernel driver's performance to the SPDK
user-mode NVMe driver.

Change-Id: I71c70163a4133c2f237c8c57b3c698ec261455f5
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2015-10-26 11:16:57 -07:00
doc doc: remove reference to nonexistent images dir 2015-09-24 11:24:16 -07:00
examples nvme/perf: add Linux libaio benchmarking support 2015-10-26 11:16:57 -07:00
include/spdk util: add file size and block size functions 2015-10-26 11:16:56 -07:00
lib util: add file size and block size functions 2015-10-26 11:16:56 -07:00
mk nvme/perf: add Linux libaio benchmarking support 2015-10-26 11:16:57 -07:00
scripts autobuild: unbind NVMe devices on FreeBSD 2015-10-09 10:03:25 -07:00
test nvme: only invoke request free macro in one place 2015-10-20 07:43:41 -07:00
.astylerc build: check formatting with astyle 2015-09-23 09:05:51 -07:00
.gitignore build: add CUnit-Memory-Dump.xml to .gitignore 2015-10-12 15:11:57 -07:00
autobuild.sh CONFIG: allow overriding options in make command 2015-10-22 12:24:57 -07:00
autopackage.sh CONFIG: allow overriding options in make command 2015-10-22 12:24:57 -07:00
autotest.sh autobuild: unbind NVMe devices on FreeBSD 2015-10-09 10:03:25 -07:00
CONFIG CONFIG: allow overriding options in make command 2015-10-22 12:24:57 -07:00
LICENSE SPDK: Initial check-in 2015-09-21 08:52:41 -07:00
Makefile SPDK: Initial check-in 2015-09-21 08:52:41 -07:00
PORTING.md Add porting guide. 2015-09-28 09:07:19 -07:00
README.md Add porting guide. 2015-09-28 09:07:19 -07:00

README.md

Storage Performance Development Kit

SPDK on 01.org

The Storage Performance Development Kit (SPDK) provides a set of tools and libraries for writing high performance, scalable, user-mode storage applications. It achieves high performance by moving all of the necessary drivers into userspace and operating in a polled mode instead of relying on interrupts, which avoids kernel context switches and eliminates interrupt handling overhead.

Porting Guide

Prerequisites

To build SPDK, some dependencies must be installed.

Fedora/CentOS:

  • gcc
  • libpciaccess-devel
  • CUnit-devel

Ubuntu/Debian:

  • gcc
  • libpciaccess-dev
  • make
  • libcunit1-dev

FreeBSD:

  • gcc
  • libpciaccess
  • gmake
  • cunit

Additionally, DPDK is required.

1) cd /path/to/spdk
2) wget http://dpdk.org/browse/dpdk/snapshot/dpdk-2.1.0.tar.gz
3) tar xfz dpdk-2.1.0.tar.gz
4) cd dpdk-2.1.0

Linux:

5) make install T=x86_64-native-linuxapp-gcc

FreeBSD:

5) gmake install T=x86_64-native-bsdapp-clang

Building

Once the prerequisites are installed, run 'make' within the SPDK directory to build the SPDK libraries and examples.

make DPDK_DIR=/path/to/dpdk

If you followed the instructions above for building DPDK:

Linux:

make DPDK_DIR=`pwd`/dpdk-2.1.0/x86_64-native-linuxapp-gcc

FreeBSD:

gmake DPDK_DIR=`pwd`/dpdk-2.1.0/x86_64-native-bsdapp-clang

Hugepages and Device Binding

Before running an SPDK application, some hugepages must be allocated and any NVMe devices must be unbound from the native NVMe kernel driver. SPDK includes scripts to automate this process on both Linux and FreeBSD.

1) scripts/configure_hugepages.sh
2) scripts/unbind_nvme.sh