Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
45 lines
786 B
Bash
Executable File
45 lines
786 B
Bash
Executable File
#!/bin/bash
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if [[ -e /sys/kernel/tracing/trace ]]; then
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TR=/sys/kernel/tracing/
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else
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TR=/sys/kernel/debug/tracing/
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fi
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clear_trace() { # reset trace output
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echo > $TR/trace
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}
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disable_tracing() { # stop trace recording
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echo 0 > $TR/tracing_on
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}
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enable_tracing() { # start trace recording
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echo 1 > $TR/tracing_on
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}
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reset_tracer() { # reset the current tracer
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echo nop > $TR/current_tracer
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}
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disable_tracing
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clear_trace
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echo "" > $TR/set_ftrace_filter
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echo '*printk* *console* *wake* *serial* *lock*' > $TR/set_ftrace_notrace
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echo "bpf_prog_test*" > $TR/set_graph_function
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echo "" > $TR/set_graph_notrace
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echo function_graph > $TR/current_tracer
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enable_tracing
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./test_progs -t fentry
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./test_progs -t fexit
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disable_tracing
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clear_trace
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reset_tracer
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exit 0
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