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b47e330231
The ring_buffer_event_time_stamp() is going to be updated to extract the time stamp for the event without needing it to be set to have absolute values for all events. But to do so, it needs the buffer that the event is on as the buffer saves information for the event before it is committed to the buffer. If the trace buffer is disabled, a temporary buffer is used, and there's no access to this buffer from the current histogram triggers, even though it is passed to the trace event code. Pass the buffer that the event is on all the way down to the histogram triggers. Link: https://lkml.kernel.org/r/20210316164113.542448131@goodmis.org Reviewed-by: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
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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.