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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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