2 Commits

Author	SHA1	Message	Date
Nam Cao	3d62f95bd8	rv: Make rtapp/pagefault monitor depends on CONFIG_MMU ... There is no page fault without MMU. Compiling the rtapp/pagefault monitor without CONFIG_MMU fails as page fault tracepoints' definitions are not available. Make rtapp/pagefault monitor depends on CONFIG_MMU. Fixes: 9162620eb6 ("rv: Add rtapp_pagefault monitor") Signed-off-by: Nam Cao <namcao@linutronix.de> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202509260455.6Z9Vkty4-lkp@intel.com/ Cc: stable@vger.kernel.org Reviewed-by: Gabriele Monaco <gmonaco@redhat.com> Link: https://lore.kernel.org/r/20251002082317.973839-1-namcao@linutronix.de Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>	2025-10-20 12:47:40 +02:00
Nam Cao	9162620eb6	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>	2025-07-09 15:27:01 -04:00