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Linux 3.15 Kernel I/O Scheduler Benchmarks

Linux Kernel

Published on 28 May 2014 07:01 AM EDT
Written by Michael Larabel in Linux Kernel
3 Comments

After writing yesterday about the BFQ I/O scheduler update with its hopeful intentions of landing within the mainline Linux kernel, some readers wrote in about updated I/O scheduler results... Here they are.

I had some time yesterday on an idle Intel ultrabook system to run some Linux I/O scheduler benchmarks using the latest daily version of the Linux 3.15 kernel in its latest development stage that will be finalized in the weeks ahead. The I/O scheduler tests with a variety of open-source disk benchmarks were done using the default I/O scheduler options of Noop, Deadline, and CFQ.


The Intel Ultrabook obviously was running from a high-performance SATA SSD during testing.


For those looking for information on how to tune their kernel's I/O scheduler, Red Hat has in-depth documentation.



You can find more of these Linux 3.15 Noop, Deadline, and CFQ I/O scheduler benchmarks via OpenBenchmarking.org for this quick benchmarking roundabout.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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