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74e6072894
Since check_filter_file() is basically checking the filter tracefs file, we can convert it into requires list. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
24 lines
700 B
Bash
24 lines
700 B
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: ftrace - function trace on module
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# requires: set_ftrace_filter
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: "mod: allows to filter a non exist function"
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echo 'non_exist_func:mod:non_exist_module' > set_ftrace_filter
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grep -q "non_exist_func" set_ftrace_filter
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: "mod: on exist module"
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echo '*:mod:trace_printk' > set_ftrace_filter
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if ! modprobe trace-printk ; then
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echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK=
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m"
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exit_unresolved;
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fi
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: "Wildcard should be resolved after loading module"
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grep -q "trace_printk_irq_work" set_ftrace_filter
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: "After removing the filter becomes empty"
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rmmod trace_printk
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test `cat set_ftrace_filter | wc -l` -eq 0
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