On 19/08/2022 19:17, Guilherme G. Piccoli wrote: > Currently there is no way to show the callback names for registered, > unregistered or executed notifiers. This is very useful for debug > purposes, hence add this functionality here in the form of notifiers' > tracepoints, one per operation. > > Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> > Cc: Cong Wang <xiyou.wangcong@xxxxxxxxx> > Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> > Cc: Valentin Schneider <valentin.schneider@xxxxxxx> > Cc: Xiaoming Ni <nixiaoming@xxxxxxxxxx> > Signed-off-by: Guilherme G. Piccoli <gpiccoli@xxxxxxxxxx> > > --- > > V3: > - Yet another major change - thanks to Arjan's great suggestion, > refactored the code to make use of tracepoints instead of guarding > the output with a Kconfig debug setting. > > V2: > - Major improvement thanks to the great idea from Xiaoming - changed > all the ksym wheel reinvention to printk %ps modifier; > > - Instead of ifdefs, using IS_ENABLED() - thanks Steven. > > - Removed an unlikely() hint on debug path. > > > include/trace/events/notifiers.h | 69 ++++++++++++++++++++++++++++++++ > kernel/notifier.c | 6 +++ > 2 files changed, 75 insertions(+) > create mode 100644 include/trace/events/notifiers.h > Hi Arjan / Xiaoming / all, monthly ping heh If there's any advice on how to move things here, I would appreciate! Thanks in advance and apologies for the re-pings. Cheers, Guilherme _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
