linux-kernel - Re: [PATCH v5 7/9] rv: Replace tss and sncid monitors with more complete sts

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Message-ID: <20250730150946.HdhW6QPa@linutronix.de>
Date: Wed, 30 Jul 2025 17:09:46 +0200
From: Nam Cao <namcao@...utronix.de>
To: Gabriele Monaco <gmonaco@...hat.com>
Cc: linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	linux-trace-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Tomas Glozar <tglozar@...hat.com>, Juri Lelli <jlelli@...hat.com>,
	Clark Williams <williams@...hat.com>,
	John Kacur <jkacur@...hat.com>
Subject: Re: [PATCH v5 7/9] rv: Replace tss and sncid monitors with more
 complete sts

Here is a deeper log, CPU3 only:

 illegal-1091    [003] d....   112.407127: da_event_sts: can_sched x irq_disable -> cant_sched
 illegal-1091    [003] d....   112.407163: da_event_sts: cant_sched x irq_enable -> can_sched (final)
 illegal-1091    [003] d....   112.407177: da_event_sts: can_sched x irq_disable -> cant_sched
 illegal-1091    [003] d....   112.407186: da_event_sts: cant_sched x irq_enable -> can_sched (final)
 illegal-1091    [003] d....   112.407196: da_event_sts: can_sched x irq_disable -> cant_sched
 illegal-1091    [003] d....   112.407203: da_event_sts: cant_sched x irq_enable -> can_sched (final)
 illegal-1091    [003] d....   112.407212: da_event_sts: can_sched x irq_disable -> cant_sched
 illegal-1091    [003] d....   112.407218: da_event_sts: cant_sched x irq_enable -> can_sched (final)
 illegal-1091    [003] d....   112.407227: da_event_sts: can_sched x irq_disable -> cant_sched
 illegal-1091    [003] d....   112.407234: da_event_sts: cant_sched x irq_enable -> can_sched (final)
 illegal-1091    [003] d....   112.407254: da_event_sts: can_sched x irq_disable -> cant_sched
 illegal-1091    [003] d....   112.407261: da_event_sts: cant_sched x irq_enable -> can_sched (final)
 illegal-1091    [003] .....   112.407271: da_event_sts: can_sched x schedule_entry -> scheduling
 illegal-1091    [003] d....   112.407312: da_event_sts: scheduling x irq_disable -> disable_to_switch
 illegal-1091    [003] d.h..   112.407332: da_event_sts: disable_to_switch x irq_entry -> in_irq
 illegal-1091    [003] dns..   112.407418: da_event_sts: in_irq x irq_enable -> scheduling
 illegal-1091    [003] dns..   112.407431: da_event_sts: scheduling x irq_disable -> disable_to_switch
 illegal-1091    [003] dns..   112.407438: da_event_sts: disable_to_switch x irq_enable -> enable_to_exit
 illegal-1091    [003] dns..   112.407448: da_event_sts: enable_to_exit x irq_disable -> enable_to_exit
 illegal-1091    [003] dns..   112.407460: da_event_sts: enable_to_exit x irq_enable -> enable_to_exit
 illegal-1091    [003] dns..   112.407472: da_event_sts: enable_to_exit x irq_disable -> enable_to_exit
 illegal-1091    [003] dn...   112.407481: da_event_sts: enable_to_exit x irq_enable -> enable_to_exit
 illegal-1091    [003] dn...   112.407492: da_event_sts: enable_to_exit x irq_disable -> enable_to_exit
 illegal-1091    [003] d....   112.410126: da_event_sts: rv: monitor sts does not allow event sched_switch on state enable_to_exit