diff options
| author | Nam Cao <namcao@linutronix.de> | 2025-07-09 21:21:20 +0200 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2025-07-09 15:27:01 -0400 |
| commit | 9162620eb604d7461da5b02ec379bb50c3c3b604 (patch) | |
| tree | bff19eb42325c894189f8746ae432ee4f9ec5a65 /tools/verification | |
| parent | a37c71ca412d90365e143581582c4ecd3a90508f (diff) | |
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>
Diffstat (limited to 'tools/verification')
| -rw-r--r-- | tools/verification/models/rtapp/pagefault.ltl | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/verification/models/rtapp/pagefault.ltl b/tools/verification/models/rtapp/pagefault.ltl new file mode 100644 index 000000000000..d7ce62102733 --- /dev/null +++ b/tools/verification/models/rtapp/pagefault.ltl @@ -0,0 +1 @@ +RULE = always (RT imply not PAGEFAULT) |