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Gabriele Monaco
13578a0871
Add a sample monitor to showcase hybrid/timed automata. The stall monitor identifies tasks stalled for longer than a threshold and reacts when that happens. Reviewed-by: Nam Cao <namcao@linutronix.de> Link: https://lore.kernel.org/r/20260330111010.153663-7-gmonaco@redhat.com Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
23 lines
849 B
Plaintext
23 lines
849 B
Plaintext
digraph state_automaton {
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center = true;
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size = "7,11";
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{node [shape = circle] "enqueued"};
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{node [shape = plaintext, style=invis, label=""] "__init_dequeued"};
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{node [shape = doublecircle] "dequeued"};
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{node [shape = circle] "running"};
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"__init_dequeued" -> "dequeued";
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"enqueued" [label = "enqueued\nclk < threshold_jiffies"];
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"running" [label = "running"];
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"dequeued" [label = "dequeued", color = green3];
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"running" -> "running" [ label = "sched_switch_in\nsched_wakeup" ];
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"enqueued" -> "enqueued" [ label = "sched_wakeup" ];
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"enqueued" -> "running" [ label = "sched_switch_in" ];
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"running" -> "dequeued" [ label = "sched_switch_wait" ];
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"dequeued" -> "enqueued" [ label = "sched_wakeup;reset(clk)" ];
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"running" -> "enqueued" [ label = "sched_switch_preempt;reset(clk)" ];
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{ rank = min ;
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"__init_dequeued";
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"dequeued";
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}
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}
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