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When available CPUs are reduced via cgroup cpuset controller, turbostat will exit with errors (For example): get_counters: Could not migrate to CPU 0 turbostat: re-initialized with num_cpus 20 get_counters: Could not migrate to CPU 0 turbostat: re-initialized with num_cpus 20 Move the turbostat to root cgroup, which has every CPU. Writing the value 0 to a cgroup.procs file causes the writing process to be moved to the corresponding cgroup. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Tested-by: Zhang Rui <rui.zhang@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.