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Yinan Liu 72b3942a17 scripts: ftrace - move the sort-processing in ftrace_init
When the kernel starts, the initialization of ftrace takes
up a portion of the time (approximately 6~8ms) to sort mcount
addresses. We can save this time by moving mcount-sorting to
compile time.

Link: https://lkml.kernel.org/r/20211212113358.34208-2-yinan@linux.alibaba.com

Signed-off-by: Yinan Liu <yinan@linux.alibaba.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 16:23:04 -05:00
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fs tracefs: Use d_inode() helper function to get the dentry inode 2021-12-11 09:34:31 -05:00
include tracing: Account bottom half disabled sections. 2022-01-13 16:23:04 -05:00
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kernel scripts: ftrace - move the sort-processing in ftrace_init 2022-01-13 16:23:04 -05:00
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samples samples/trace_event: Add '__rel_loc' using sample event 2021-12-06 15:37:22 -05:00
scripts scripts: ftrace - move the sort-processing in ftrace_init 2022-01-13 16:23:04 -05:00
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tools tools/perf: Add '__rel_loc' event field parsing support 2021-12-06 15:37:22 -05:00
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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.