43bb45da82
This adds a test to enable and disable trace events via the function
triggers. It tests enabling and disabling the sched:sched_switch event via
the the event_enable and event_disable function triggers attached to the
schedule() kernel function.
The test does the following:
o disable all events
o disables or enables the sched_switch event
o writes schedule:event_enable/disable:sched:sched_switch into set_ftrace_filter
o 5 times it checks to make sure:
. Writes 0/1 into the sched_switch/enable
. Checks that the sched_switch/enable goes back to 1/0
o Resets the events
o writes schedule:event_enable/disable:sched:sched_switch:3 into set_ftrace_filter
o Does a loop of 3 to see that sched_switch/enable file gets updated
o Makes sure the sched_switch/enable stops getting updated
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.