xiaoxiang781216 commented on code in PR #14943:
URL: https://github.com/apache/nuttx/pull/14943#discussion_r1877975329
##########
drivers/note/note_driver.c:
##########
@@ -1837,7 +1837,7 @@ void sched_note_filter_mode(FAR struct
note_filter_named_mode_s *oldm,
irqstate_t irq_mask;
FAR struct note_driver_s **driver;
- irq_mask = spin_lock_irqsave_wo_note(&g_note_lock);
+ irq_mask = spin_lock_irqsave_notrace(&g_note_lock);
Review Comment:
Sorry, it isn't added by us but just follow the original code base. The
first patch comes from:
```
commit ab3fa890239399de51e5482e595a751fee249b1c
Author: Masayuki Ishikawa <masayuki.ishik...@jp.sony.com>
Date: Wed Jan 17 13:08:03 2018 +0900
SMP: Introduce spin_lock_wo_note() and spin_unlock_wo_note()
These APIs are used in sched_note.c to protect instumentation data.
The deffrence between these APIs to exsiting spin_lock() and
spin_unlock()
is that they do not perform insturumentation to avoid recursive call
when SCHED_INSTRUMENTATION_SPINLOCKS=y.
```
but `xxnote` is more consistent then `xxtrace`, since nuttx name the profile
api as `sched_note` not `trace`.
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