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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>
76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Automatically generated C representation of nrp automaton
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* For further information about this format, see kernel documentation:
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* Documentation/trace/rv/deterministic_automata.rst
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*/
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enum states_nrp {
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preempt_irq_nrp = 0,
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any_thread_running_nrp,
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nested_preempt_nrp,
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rescheduling_nrp,
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state_max_nrp
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};
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#define INVALID_STATE state_max_nrp
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enum events_nrp {
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irq_entry_nrp = 0,
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sched_need_resched_nrp,
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schedule_entry_nrp,
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schedule_entry_preempt_nrp,
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event_max_nrp
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};
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struct automaton_nrp {
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char *state_names[state_max_nrp];
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char *event_names[event_max_nrp];
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unsigned char function[state_max_nrp][event_max_nrp];
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unsigned char initial_state;
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bool final_states[state_max_nrp];
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};
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static const struct automaton_nrp automaton_nrp = {
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.state_names = {
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"preempt_irq",
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"any_thread_running",
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"nested_preempt",
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"rescheduling"
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},
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.event_names = {
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"irq_entry",
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"sched_need_resched",
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"schedule_entry",
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"schedule_entry_preempt"
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},
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.function = {
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{
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preempt_irq_nrp,
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preempt_irq_nrp,
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nested_preempt_nrp,
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nested_preempt_nrp
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},
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{
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any_thread_running_nrp,
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rescheduling_nrp,
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any_thread_running_nrp,
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INVALID_STATE
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},
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{
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nested_preempt_nrp,
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preempt_irq_nrp,
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any_thread_running_nrp,
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any_thread_running_nrp
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},
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{
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preempt_irq_nrp,
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rescheduling_nrp,
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any_thread_running_nrp,
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any_thread_running_nrp
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},
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},
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.initial_state = preempt_irq_nrp,
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.final_states = { 0, 1, 0, 0 },
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};
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