26 lines
514 B
Bash
26 lines
514 B
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Test wakeup tracer
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if ! which chrt ; then
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echo "chrt is not found. This test requires nice command."
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exit_unresolved
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fi
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if ! grep -wq "wakeup" available_tracers ; then
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echo "wakeup tracer is not supported"
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exit_unsupported
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fi
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echo wakeup > current_tracer
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echo 1 > tracing_on
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echo 0 > tracing_max_latency
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: "Wakeup higher priority task"
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chrt -f 5 sleep 1
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echo 0 > tracing_on
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grep '+ \[[[:digit:]]*\]' trace
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grep '==> \[[[:digit:]]*\]' trace
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