benchmark: Build osperf only when pipes and hpwork are enabled
Building osperf requires pipes and hpwork, which are disabled by default. These features should be enabled before osperf is built. The select directive could cause issues and should be avoided, so we use the depends on directive. Signed-off-by: Fukui Daichi <a.dog.will.talk@akane.waseda.jp>
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config BENCHMARK_OSPERF
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tristate "System performance profiling"
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default n
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depends on PIPES
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depends on SCHED_HPWORK
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---help---
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Measure the performance of core system functions, such as thread
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switching and the time required for semaphore execution
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