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073ef86611
Invalid frequency checks are a bottleneck in reading /proc/uid_time_in_state, but there's no reason to include invalid frequencies in our local copies of frequency tables. Revise cpufreq_times_create_policy() to only copy valid frequencies, and eliminate all the checks this change makes unnecessary. Bug: 111216804 Test: cat /proc/uid_time_in_state & confirm values & format are sane Test: /proc/uid_time_in_state read times reduced by ~40% Change-Id: I506420a6ac5fe8a6c87d01b16ad267b192d43f1d Signed-off-by: Connor O'Brien <connoro@google.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.