File: 131provider_sched_enqueue_dequeue.d

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/*
 * Linux DTrace
 * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
 * Licensed under the Universal Permissive License v 1.0 as shown at
 * http://oss.oracle.com/licenses/upl.
 */

#!/usr/sbin/dtrace -s

/*
 *  SYNOPSIS
 *    sudo ./131provider_sched_enqueue_dequeue.d
 *
 *  DESCRIPTION
 *    We can track when processes are enqueued and
 *    dequeued on CPUs.
 */

sched:::dequeue,
sched:::enqueue
{
	printf(" %s %s\n", probename, args[0]->pr_name);
}

/*
 *  A tick probe is used to fire once to stop data collection.
 */
profile:::tick-2sec
{
	exit(0);
}