A few of the RHEL 6 and 7 kernels indicate that the "TSC" clocksource is not available.

Solution Verified - Updated -

Issue

  • In few of the RHEL 6 and 7 kernels, it has been observed that the "tsc" clocksource is not available.

  • The same issue has also been observed on RT kernels.

Environment

  • Red Hat Enterprise Linux 6.9

    • 2.6.32-696.20.1.el6.x86_64

  • Red Hat Enterprise Linux 7.4

    • 3.10.0-693.el7.x86_64

  • Red Hat Enterprise Linux for Real-Time 7.4

    • 3.10.0-693.17.1.rt56.604.el6rt.x86_64

  • Intel® X299 Chipset

  • Intel(R) Core(TM) i9-7980XE CPU @ 2.60GHz

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