tst.lockprof.spin.ksh   [plain text]

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# Copyright 2019 Apple, Inc.  All rights reserved.
# Use is subject to license terms.

if [ -b /dev/lockprof ]; then
	echo "Skipping..."
	exit 0
fi

dtrace -s /dev/stdin <<EOF
/*
 * ASSERTION: Verify that lockprof held/miss/spin spinlock probes can be created and triggered
 */
lockprof:::spin-held-10000
{
	held = 1;
}

lockprof:::spin-miss-2
{
	miss = 1;
}

lockprof:::spin-spin-100us
{
	spin = 1;
}

tick-1s
/ held && miss && spin /
{
	exit(0);
}

tick-120s
{
	printf("held: %d\n", held);
	printf("miss: %d\n", miss);
	printf("spin: %d\n", spin);
	exit(1);
}

EOF
exit $?