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b729ea271e
GuC provides support to read engine counters to calculate the
engine activity. KMD exposes two counters via the PMU interface to
calculate engine activity
Engine Active Ticks(engine-active-ticks) - active ticks of engine
Engine Total Ticks (engine-total-ticks) - total ticks of engine
Engine activity percentage can be calculated as below
Engine activity % = (engine active ticks/engine total ticks) * 100.
v2: fix cosmetic review comments
add forcewake for gpm_ts (Umesh)
v3: fix CI hooks error
change function parameters and unpin bo on error
of allocate_activity_buffers
fix kernel-doc (Umesh)
use engine activity (Umesh, Lucas)
rename xe_engine_activity to xe_guc_engine_*
fix commit message to use engine activity (Lucas, Umesh)
v4: add forcewake in PMU layer
v5: fix makefile
use drmm_kcalloc instead of kmalloc_array
remove managed bo
skip init for VF
fix cosmetic review comments (Michal)
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250224053903.2253539-2-riana.tauro@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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 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.