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1.The default statistical time is 0, means the load statistics function is disabled. If want to enable the function, need echo a valid value to load_interval. e.g. 1000ms: $echo 1000 > /proc/mpp_service/load_interval 2.show load info: rk3588_t_evb7:/ # cat /proc/mpp_service/load fdb51000.avsd-plus load: 0.00% utilization: 0.00% fdb50400.vdpu load: 0.00% utilization: 0.00% fdb50000.vepu load: 0.00% utilization: 0.00% fdb90000.jpegd load: 0.00% utilization: 0.00% fdba0000.jpege-core load: 0.00% utilization: 0.00% fdba4000.jpege-core load: 0.00% utilization: 0.00% fdba8000.jpege-core load: 0.00% utilization: 0.00% fdbac000.jpege-core load: 0.00% utilization: 0.00% fdbb0000.iep load: 0.00% utilization: 0.00% fdbd0000.rkvenc-core load: 97.56% utilization: 93.45% fdbe0000.rkvenc-core load: 97.33% utilization: 92.51% fdc38100.rkvdec-core load: 0.00% utilization: 0.00% fdc48100.rkvdec-core load: 0.00% utilization: 0.00% av1d-master load: 0.00% utilization: 0.00% Signed-off-by: Yandong Lin <yandong.lin@rock-chips.com> Change-Id: I0b1c6d3efc7cd7708e7f367ad917b865db67a08a
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.