Bibo Mao 492ac37fa3 perf kvm: Add kvm-stat for loongarch64
Add support for 'perf kvm stat' on loongarch64 platform, now only kvm
exit event is supported.

Here is example output about "perf kvm --host stat report" command

   Event name   Samples   Sample%     Time (ns)   Time%   Mean Time (ns)
    Mem Store     83969    51.00%     625697070   8.00%             7451
     Mem Read     37641    22.00%     112485730   1.00%             2988
    Interrupt     15542     9.00%      20620190   0.00%             1326
        IOCSR     15207     9.00%      94296190   1.00%             6200
    Hypercall      4873     2.00%      12265280   0.00%             2516
         Idle      3713     2.00%    6322055860  87.00%          1702681
          FPU      1819     1.00%       2750300   0.00%             1511
   Inst Fetch       502     0.00%       1341740   0.00%             2672
   Mem Modify       324     0.00%        602240   0.00%             1858
       CPUCFG        55     0.00%         77610   0.00%             1411
          CSR        12     0.00%         19690   0.00%             1640
         LASX         3     0.00%          4870   0.00%             1623
          LSX         2     0.00%          2100   0.00%             1050

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-07-10 16:50:27 +08:00
2022-09-28 09:02:20 +02:00
2024-07-07 14:23:46 -07:00
2024-03-18 03:36:32 -06:00

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 reStructuredText 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.
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