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ed0302e830
Make cpu-usage debugging easier by naming workqueues per device. Example ps output: root 413 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd_io/253:0] root 414 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd/253:0] root 415 0.0 0.0 0 0 ? S paź02 1:10 [dmcrypt_write/253:0] root 465 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd_io/253:2] root 466 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd/253:2] root 467 0.0 0.0 0 0 ? S paź02 2:06 [dmcrypt_write/253:2] root 15359 0.2 0.0 0 0 ? I< 19:43 0:25 [kworker/u17:8-kcryptd/253:0] root 16563 0.2 0.0 0 0 ? I< 20:10 0:18 [kworker/u17:0-kcryptd/253:2] root 23205 0.1 0.0 0 0 ? I< 21:21 0:04 [kworker/u17:4-kcryptd/253:0] root 13383 0.1 0.0 0 0 ? I< 21:32 0:02 [kworker/u17:2-kcryptd/253:2] root 2610 0.1 0.0 0 0 ? I< 21:42 0:01 [kworker/u17:12-kcryptd/253:2] root 20124 0.1 0.0 0 0 ? I< 21:56 0:01 [kworker/u17:1-kcryptd/253:2] Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Mike Snitzer <snitzer@redhat.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.