11 lines
321 B
Bash
11 lines
321 B
Bash
#!/bin/sh
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# 2. example
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echo function_graph > /sys/kernel/debug/tracing/current_tracer
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echo *i2c* > /sys/kernel/debug/tracing/set_ftrace_filter
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echo 1 > /sys/kernel/debug/tracing/tracing_on
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i2cdetect -y 0
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echo 0 > /sys/kernel/debug/tracing/tracing_on
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trace-cmd show
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echo nop > /sys/kernel/debug/tracing/current_tracer
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