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b133207deb
Add the deadline monitors collection to validate the deadline scheduler,
both for deadline tasks and servers.
The currently implemented monitors are:
* nomiss:
validate dl entities run to completion before their deadiline
Reviewed-by: Nam Cao <namcao@linutronix.de>
Reviewed-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20260330111010.153663-13-gmonaco@redhat.com
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/rv.h>
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#include <linux/kallsyms.h>
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#define MODULE_NAME "deadline"
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#include "deadline.h"
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struct rv_monitor rv_deadline = {
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.name = "deadline",
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.description = "container for several deadline scheduler specifications.",
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.enable = NULL,
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.disable = NULL,
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.reset = NULL,
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.enabled = 0,
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};
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/* Used by other monitors */
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struct sched_class *rv_ext_sched_class;
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static int __init register_deadline(void)
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{
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if (IS_ENABLED(CONFIG_SCHED_CLASS_EXT)) {
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rv_ext_sched_class = (void *)kallsyms_lookup_name("ext_sched_class");
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if (!rv_ext_sched_class)
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pr_warn("rv: Missing ext_sched_class, monitors may not work.\n");
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}
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return rv_register_monitor(&rv_deadline, NULL);
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}
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static void __exit unregister_deadline(void)
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{
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rv_unregister_monitor(&rv_deadline);
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}
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module_init(register_deadline);
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module_exit(unregister_deadline);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Gabriele Monaco <gmonaco@redhat.com>");
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MODULE_DESCRIPTION("deadline: container for several deadline scheduler specifications.");
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