]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
rv: Add rtapp_sleep monitor
authorNam Cao <namcao@linutronix.de>
Wed, 9 Jul 2025 19:21:21 +0000 (21:21 +0200)
committerSteven Rostedt (Google) <rostedt@goodmis.org>
Wed, 9 Jul 2025 19:27:01 +0000 (15:27 -0400)
commitf74f8bb246cf22f27752977da62079cb615f55b2
tree3f5f21cd3930d8ae2e153a7edcbc2ece8b9c7b66
parent9162620eb604d7461da5b02ec379bb50c3c3b604
rv: Add rtapp_sleep monitor

Add a monitor for checking that real-time tasks do not go to sleep in a
manner that may cause undesirable latency.

Also change
RV depends on TRACING
to
RV select TRACING
to avoid the following recursive dependency:

 error: recursive dependency detected!
symbol TRACING is selected by PREEMPTIRQ_TRACEPOINTS
symbol PREEMPTIRQ_TRACEPOINTS depends on TRACE_IRQFLAGS
symbol TRACE_IRQFLAGS is selected by RV_MON_SLEEP
symbol RV_MON_SLEEP depends on RV
symbol RV depends on TRACING

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/75bc5bcc741d153aa279c95faf778dff35c5c8ad.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>
kernel/trace/rv/Kconfig
kernel/trace/rv/Makefile
kernel/trace/rv/monitors/sleep/Kconfig [new file with mode: 0644]
kernel/trace/rv/monitors/sleep/sleep.c [new file with mode: 0644]
kernel/trace/rv/monitors/sleep/sleep.h [new file with mode: 0644]
kernel/trace/rv/monitors/sleep/sleep_trace.h [new file with mode: 0644]
kernel/trace/rv/rv_trace.h
tools/verification/models/rtapp/sleep.ltl [new file with mode: 0644]