Turbostat Utility Sees Late Updates In Linux 5.3
Written by Michael Larabel in Hardware on 6 September 2019 at 06:21 AM EDT. Add A Comment
HARDWARE --
The Turbostat utility that lives within the Linux kernel source tree for reporting various power/frequency metrics on x86_64 processors saw some late updates merged last weekend for the upcoming Linux 5.3 kernel.

The Turbostat updates that landed last week include:

- Support for Hygon Dhyana Family 18h (the Chinese spinoff of Zen through the AMD joint venture) so there is now the RAPL (run-time average power limiting) capability in place and reporting the correct energy usage and total package power.

- Intel Icelake NNPI support.

- A fix for Intel Haswell ULT (ultrabook) systems as that Haswell core support regressed.

- Support for Intel Jacobsville, the Goldmont Plus successor making use of the Tremont cores.

- Reduced jitter in Turbostat by making interval calculations per thread.

- Various other fixes.

For those that have never played with the Turbostat utility, you can learn more from the man page.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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