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d46966013b
Add two tracepoints for monitoring AFS file locking. Firstly, add one that
follows the operational part:
echo 1 >/sys/kernel/debug/tracing/events/afs/afs_flock_op/enable
And add a second that more follows the event-driven part:
echo 1 >/sys/kernel/debug/tracing/events/afs/afs_flock_ev/enable
Individual file_lock structs seen by afs are tagged with debugging IDs that
are displayed in the trace log to make it easier to see what's going on,
especially as setting the first lock always seems to involve copying the
file_lock twice.
Signed-off-by: David Howells <dhowells@redhat.com>
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| certs | ||
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| README | ||
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.