53 lines
975 B
Plaintext
53 lines
975 B
Plaintext
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: event tracing - enable/disable with subsystem level files
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# flags: instance
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do_reset() {
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echo > set_event
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clear_trace
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}
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fail() { #msg
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echo $1
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exit_fail
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}
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if [ ! -f set_event -o ! -d events/sched ]; then
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echo "event tracing is not supported"
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exit_unsupported
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fi
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echo 'sched:*' > set_event
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yield
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count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
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if [ $count -lt 3 ]; then
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fail "at least fork, exec and exit events should be recorded"
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fi
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do_reset
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echo 1 > events/sched/enable
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yield
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count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
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if [ $count -lt 3 ]; then
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fail "at least fork, exec and exit events should be recorded"
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fi
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do_reset
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echo 0 > events/sched/enable
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yield
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count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
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if [ $count -ne 0 ]; then
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fail "any of scheduler events should not be recorded"
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fi
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exit 0
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