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>
28 lines
521 B
Bash
28 lines
521 B
Bash
#!/bin/sh
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# description: Snapshot and tracing setting
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# requires: snapshot
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# flags: instance
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echo "Set tracing off"
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echo 0 > tracing_on
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echo "Allocate and take a snapshot"
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echo 1 > snapshot
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# Since trace buffer is empty, snapshot is also empty, but allocated
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grep -q "Snapshot is allocated" snapshot
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echo "Ensure keep tracing off"
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test `cat tracing_on` -eq 0
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echo "Set tracing on"
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echo 1 > tracing_on
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echo "Take a snapshot again"
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echo 1 > snapshot
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echo "Ensure keep tracing on"
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test `cat tracing_on` -eq 1
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exit 0
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