Intel Dominates The Perf Changes For Linux 4.2
Written by Michael Larabel in Intel on 28 June 2015 at 08:19 AM EDT. 1 Comment
For those using perf for Linux profiling with performance counters, the Linux 4.2 kernel will bring many improvements to benefit Intel customers.

The perf changes for Linux 4.2 bring improvements for the Intel PT hardware CPU tracer, better Intel CQM (Cache Quality Monitoring), PEBSv3 support, and PEBS interrupt batching support. There are also PMU scheduler fixes/improvements, new perf sub-commands, and various other changes.

More details on the perf changes for Linux 4.2 via the pull request sent in earlier this week by Ingo Molnar.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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