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3507d231a4
If less space is available in the perf ring buffer than the ETR buffer, barrier packets inserted in the trace stream by tmc_sync_etr_buf() are skipped over when the head of the buffer is moved forward, resulting in traces that can't be decoded. This patch decouples the process of syncing ETR buffers and the addition of barrier packets in order to perform the latter once the offset in the trace buffer has been properly computed. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Leo Yan <leo.yan@linaro.org> Link: https://lore.kernel.org/r/20190829202842.580-17-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.