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![]() One or more engines map to a specific OA unit. All reports from these engines are captured in the OA buffer managed by this OA unit. Current i915 OA implementation supports only the OAG unit. OAG primarily caters to render engine, so i915 OA uses render as the default engine in the OA implementation. Since there are more OA units on newer hardware that map to other engines, allow user to pass engine class and instance to select and program specific OA units. UMD specific changes for GPUvis support: https://patchwork.freedesktop.org/patch/522827/?series=114023 https://patchwork.freedesktop.org/patch/522822/?series=114023 https://patchwork.freedesktop.org/patch/522826/?series=114023 https://patchwork.freedesktop.org/patch/522828/?series=114023 https://patchwork.freedesktop.org/patch/522816/?series=114023 https://patchwork.freedesktop.org/patch/522825/?series=114023 v2: (Ashutosh) - Clarify commit message - Add drm_dbg - Clarify uapi description v3: (Ashutosh) - Remove irrelevant info from the uapi comment v4: Ensure engine class:instance is passed together (Ashutosh) v5: Remove unnecessary quote (Ashutosh) Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230323225901.3743681-9-umesh.nerlige.ramappa@intel.com |
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drivers | ||
fs | ||
include | ||
init | ||
io_uring | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
rust | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
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.rustfmt.toml | ||
COPYING | ||
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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 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.