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Mainline Linux tree for various devices, only for fun :)
a3f22d505f
Perf tool need implement a callback to enable using AUX buffer. Perf will do another mmap() to trigger the setup of AUX buffer in kernel if there is such callback. The default size of the AUX buffer is set properly according to the sampling frequency to avoid overflow. It could also be manually set by -m option of perf. The interface of perf is not changed. Diagnostic mode sampling could be started by `perf record -e rBD000` like before. Signed-off-by: Pu Hou <bjhoupu@linux.vnet.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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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.