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0d6f1693f2
Adjust sampling buffer allocation depending on frequency and correct comments. Investigation on the interrupt handler revealed that almost always one interupt services one SDB, even when running with the maximum frequency of 100000. Very rarely there have been 2 SBD serviced per interrupt. Therefore reduce the number of SBD per CPU. Each SDB is one page in size. The new formula results in freq:4000 n_sdb:32 new:16 freq:10000 n_sdb:80 new:16 freq:20000 n_sdb:159 new:17 freq:40000 n_sdb:318 new:19 freq:50000 n_sdb:397 new:20 freq:62500 n_sdb:497 new:22 freq:83333 n_sdb:662 new:24 freq:100000 n_sdb:794 new:25 Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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| fs | ||
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| init | ||
| ipc | ||
| kernel | ||
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| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
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.