#!/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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