rv: Add rtapp_pagefault monitor

Userspace real-time applications may have design flaws that they raise
page faults in real-time threads, and thus have unexpected latencies.

Add an linear temporal l

rv: Add rtapp_pagefault monitor

Userspace real-time applications may have design flaws that they raise
page faults in real-time threads, and thus have unexpected latencies.

Add an linear temporal logic monitor to detect this scenario.

Cc: John Ogness <john.ogness@linutronix.de>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/78fea8a2de6d058241d3c6502c1a92910772b0ed.1752088709.git.namcao@linutronix.de
Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

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