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e8440a88e5
Add 2 per-task monitors as part of the sched model:
* nrp: need-resched preempts
Monitor to ensure preemption requires need resched.
* sssw: set state sleep and wakeup
Monitor to ensure sched_set_state to sleepable leads to sleeping and
sleeping tasks require wakeup.
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masami Hiramatsu <mhiramat@kernel.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>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/20250728135022.255578-9-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>
29 lines
1.4 KiB
Text
29 lines
1.4 KiB
Text
digraph state_automaton {
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center = true;
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size = "7,11";
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{node [shape = doublecircle] "any_thread_running"};
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{node [shape = circle] "any_thread_running"};
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{node [shape = circle] "nested_preempt"};
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{node [shape = plaintext, style=invis, label=""] "__init_preempt_irq"};
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{node [shape = circle] "preempt_irq"};
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{node [shape = circle] "rescheduling"};
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"__init_preempt_irq" -> "preempt_irq";
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"any_thread_running" [label = "any_thread_running", color = green3];
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"any_thread_running" -> "any_thread_running" [ label = "schedule_entry\nirq_entry" ];
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"any_thread_running" -> "rescheduling" [ label = "sched_need_resched" ];
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"nested_preempt" [label = "nested_preempt"];
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"nested_preempt" -> "any_thread_running" [ label = "schedule_entry_preempt\nschedule_entry" ];
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"nested_preempt" -> "nested_preempt" [ label = "irq_entry" ];
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"nested_preempt" -> "preempt_irq" [ label = "sched_need_resched" ];
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"preempt_irq" [label = "preempt_irq"];
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"preempt_irq" -> "nested_preempt" [ label = "schedule_entry_preempt\nschedule_entry" ];
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"preempt_irq" -> "preempt_irq" [ label = "irq_entry\nsched_need_resched" ];
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"rescheduling" [label = "rescheduling"];
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"rescheduling" -> "any_thread_running" [ label = "schedule_entry_preempt\nschedule_entry" ];
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"rescheduling" -> "preempt_irq" [ label = "irq_entry" ];
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"rescheduling" -> "rescheduling" [ label = "sched_need_resched" ];
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{ rank = min ;
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"__init_preempt_irq";
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"preempt_irq";
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}
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}
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