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The power_floor and workload_hint Makefiles build nothing when
CROSS_COMPILE is set, even for an x86 target, and they include lib.mk
only on x86. Other architectures therefore have no install or
emit_tests rules for these suites, and their installation fails with a
missing target.
Select the x86 tests from the target ARCH when it is given and from the
host's SUBARCH otherwise, and include lib.mk unconditionally so that the
suites install and emit an empty runlist on other architectures. Use a
private ARCH_PROCESSED instead of the ARCH override added by
commit 5a1292137e89 ("selftests: fix ARCH normalization to handle
command-line argument"): the override changed the value lib.mk uses to
pick the clang target, whereas leaving ARCH unset lets lib.mk use the
compiler's native triple. A command-line ARCH such as x86_64 is still
normalized for the selection, while an ARCH spelling that lib.mk does
not know, such as i686 with LLVM=1, is rejected as in other selftests.
Fixes: 27801542b2b8 ("selftests/thermel/intel: Add test to read workload hint")
Fixes: d4d27e5a1a88 ("selftests/thermel/intel: Add test to read power floor status")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Link: https://patch.msgid.link/20261014200127.1363472-4-sashal@kernel.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Several selftests Makefiles (e.g. prctl, breakpoints, etc) attempt to
normalize the ARCH variable by converting x86_64 and i.86 to x86.
However, it uses the conditional assignment operator '?='.
When ARCH is passed as a command-line argument (e.g., during an rpmbuild
process), the '?=' operator ignores the shell command and the sed
transformation. This leads to an incorrect ARCH value being used, which
causes build failures
# make -C tools/testing/selftests TARGETS=prctl ARCH=x86_64
make: Entering directory '/build/tools/testing/selftests'
make[1]: Entering directory '/build/tools/testing/selftests/prctl'
make[1]: *** No targets. Stop.
make[1]: Leaving directory '/build/tools/testing/selftests/prctl'
make: *** [Makefile:197: all] Error 2
Change the assignment to use 'override' and ':=' to ensure the
normalization logic is applied regardless of how the ARCH variable was
initially defined.
Link: https://lkml.kernel.org/r/20260309205145.572778-1-aleksey.oladko@virtuozzo.com
Signed-off-by: Aleksei Oladko <aleksey.oladko@virtuozzo.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Cc: Chelsy Ratnawat <chelsyratnawat2001@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Add option to enable slow workload type hints. User can specify
"slow" as the command line argument to enable slow workload type hints.
There are two slow workload type hints: "power" and "performance".
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20251218222559.4110027-3-srinivas.pandruvada@linux.intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The workload hint may contain some other hints which are not defined.
So mask out unsupported types. Currently only lower 4 bits of workload
type hints are defined.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20250828201541.931425-1-srinivas.pandruvada@linux.intel.com
[ rjw: Subject cleanup ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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perror() automatically appends a newline character, so the explicit '\n'
in the format strings is redundant and results in duplicate newlines in
the output.
Remove the redundant '\n' characters from perror() calls in
workload_hint_test.c to fix the formatting.
Link: https://lkml.kernel.org/r/F482FB1EC020000C+20250710134751.306096-1-wangyuli@uniontech.com
Signed-off-by: WangYuli <wangyuli@uniontech.com>
Cc: Guan Wentao <guanwentao@uniontech.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Remove redundant sprintf() call that was duplicating the same operation of
formatting delay_str with argv[1].
Link: https://lkml.kernel.org/r/6338CD0E839B770B+20250710130412.284531-1-wangyuli@uniontech.com
Signed-off-by: WangYuli <wangyuli@uniontech.com>
Cc: Guan Wentao <guanwentao@uniontech.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Fix multiple spelling errors:
- "rougly" -> "roughly"
- "fielesystems" -> "filesystems"
- "Can'" -> "Can't"
Link: https://lkml.kernel.org/r/20250503211959.507815-1-chelsyratnawat2001@gmail.com
Signed-off-by: Chelsy Ratnawat <chelsyratnawat2001@gmail.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The 'workload_hint_test' test generates an object with the same name,
but there is no .gitignore file in the directory to add the object as
stated in the selftest documentation.
Add the missing .gitignore file and include 'workload_hint_test'.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The 'power_floor' test generates an object with the same name,
but there is no .gitignore file in the directory to add the object as
stated in the selftest documentation.
Add the missing .gitignore file and include 'power_floor'.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Some SoCs have firmware support to notify, if the system can't lower
power limit to a value requested from user space via RAPL constraints.
This test program waits for notification of power floor and prints. This
program can be used to test this feature and also allows other user space
programs to use as a reference.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some SoCs have in built firmware support to classify current running
workload and pass to OS for making power management decisions.
This test program waits for notification of workload type change
and prints. This program can be used to test this feature and also
allows other user space programs to use as a reference.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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