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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>
31 lines
1.5 KiB
Plaintext
31 lines
1.5 KiB
Plaintext
digraph state_automaton {
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center = true;
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size = "7,11";
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{node [shape = plaintext, style=invis, label=""] "__init_runnable"};
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{node [shape = doublecircle] "runnable"};
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{node [shape = circle] "runnable"};
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{node [shape = circle] "signal_wakeup"};
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{node [shape = circle] "sleepable"};
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{node [shape = circle] "sleeping"};
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"__init_runnable" -> "runnable";
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"runnable" [label = "runnable", color = green3];
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"runnable" -> "runnable" [ label = "sched_set_state_runnable\nsched_wakeup\nsched_switch_in\nsched_switch_yield\nsched_switch_preempt\nsignal_deliver" ];
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"runnable" -> "sleepable" [ label = "sched_set_state_sleepable" ];
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"runnable" -> "sleeping" [ label = "sched_switch_blocking" ];
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"signal_wakeup" [label = "signal_wakeup"];
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"signal_wakeup" -> "runnable" [ label = "signal_deliver" ];
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"signal_wakeup" -> "signal_wakeup" [ label = "sched_switch_in\nsched_switch_preempt\nsched_switch_yield\nsched_wakeup" ];
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"signal_wakeup" -> "sleepable" [ label = "sched_set_state_sleepable" ];
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"sleepable" [label = "sleepable"];
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"sleepable" -> "runnable" [ label = "sched_set_state_runnable\nsched_wakeup" ];
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"sleepable" -> "signal_wakeup" [ label = "sched_switch_yield" ];
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"sleepable" -> "sleepable" [ label = "sched_set_state_sleepable\nsched_switch_in\nsched_switch_preempt\nsignal_deliver" ];
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"sleepable" -> "sleeping" [ label = "sched_switch_suspend\nsched_switch_blocking" ];
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"sleeping" [label = "sleeping"];
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"sleeping" -> "runnable" [ label = "sched_wakeup" ];
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{ rank = min ;
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"__init_runnable";
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"runnable";
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}
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}
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