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rv: Add opid per-cpu monitor

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Add a per-cpu monitor as part of the sched model:
* opid: operations with preemption and irq disabled
    Monitor to ensure wakeup and need_resched occur with irq and
    preemption disabled or in irq handlers.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tomas Glozar <tglozar@redhat.com>
Cc: Juri Lelli <jlelli@redhat.com>
Cc: Clark Williams <williams@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
Link: https://lore.kernel.org/20250728135022.255578-10-gmonaco@redhat.com
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
Acked-by: Nam Cao <namcao@linutronix.de>
Tested-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Gabriele Monaco
2025-07-28 15:50:21 +02:00
committed by Steven Rostedt (Google)
parent e8440a88e5
commit 614384533d
9 changed files with 399 additions and 0 deletions
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35
tools/verification/models/sched/opid.dot Normal file
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@@ -0,0 +1,35 @@
digraph state_automaton {
center = true;
size = "7,11";
{node [shape = plaintext, style=invis, label=""] "__init_disabled"};
{node [shape = circle] "disabled"};
{node [shape = doublecircle] "enabled"};
{node [shape = circle] "enabled"};
{node [shape = circle] "in_irq"};
{node [shape = circle] "irq_disabled"};
{node [shape = circle] "preempt_disabled"};
"__init_disabled" -> "disabled";
"disabled" [label = "disabled"];
"disabled" -> "disabled" [ label = "sched_need_resched\nsched_waking\nirq_entry" ];
"disabled" -> "irq_disabled" [ label = "preempt_enable" ];
"disabled" -> "preempt_disabled" [ label = "irq_enable" ];
"enabled" [label = "enabled", color = green3];
"enabled" -> "enabled" [ label = "preempt_enable" ];
"enabled" -> "irq_disabled" [ label = "irq_disable" ];
"enabled" -> "preempt_disabled" [ label = "preempt_disable" ];
"in_irq" [label = "in_irq"];
"in_irq" -> "enabled" [ label = "irq_enable" ];
"in_irq" -> "in_irq" [ label = "sched_need_resched\nsched_waking\nirq_entry" ];
"irq_disabled" [label = "irq_disabled"];
"irq_disabled" -> "disabled" [ label = "preempt_disable" ];
"irq_disabled" -> "enabled" [ label = "irq_enable" ];
"irq_disabled" -> "in_irq" [ label = "irq_entry" ];
"irq_disabled" -> "irq_disabled" [ label = "sched_need_resched" ];
"preempt_disabled" [label = "preempt_disabled"];
"preempt_disabled" -> "disabled" [ label = "irq_disable" ];
"preempt_disabled" -> "enabled" [ label = "preempt_enable" ];
{ rank = min ;
"__init_disabled";
"disabled";
}
}