Function sched_note_preemption

drivers/note/note_driver.c:1055–1096

#ifdef CONFIG_SCHED_INSTRUMENTATION_PREEMPTION
void sched_note_preemption(FAR struct tcb_s *tcb, bool locked)
{
  struct note_preempt_s note;
  FAR struct note_driver_s **driver;
  bool formatted = false;
  irqstate_t flags;

  flags = spin_lock_irqsave_notrace(&g_note_lock);
  for (driver = g_note_drivers; *driver; driver++)
    {
      if (!note_isenabled(*driver))
        {
          continue;
        }

      if (note_preemption(*driver, tcb, locked))
        {
          continue;
        }

      if ((*driver)->ops->add == NULL)
        {
          continue;
        }

      /* Format the note */

      if (!formatted)
        {
          formatted = true;
          note_common(tcb, &note.npr_cmn, sizeof(struct note_preempt_s),
                      locked ? NOTE_PREEMPT_LOCK : NOTE_PREEMPT_UNLOCK);
          note.npr_count = tcb->lockcount;
        }

      /* Add the note to circular buffer */

      note_add(*driver, &note, sizeof(struct note_preempt_s));
    }

  spin_unlock_irqrestore_notrace(&g_note_lock, flags);
}
#endif

#ifdef CONFIG_SCHED_INSTRUMENTATION_CSECTION