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apps/system/sched_lock: Add support for spinlock notes

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This commit is contained in:
Gregory Nutt 2016-12-01 12:39:51 -06:00
parent 8228ab13fc
commit 7288a8d7c0
1 changed files with 119 additions and 1 deletions
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120
system/sched_note/note_main.c
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@ -366,11 +366,14 @@ static void dump_notes(size_t nread)
break;
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_CSECTION
case NOTE_CSECTION_ENTER:
case NOTE_CSECTION_LEAVE:
{
#ifdef CONFIG_SMP
FAR struct note_csection_s *note_csection =
(FAR struct note_csection_s *)note;
uint16_t count;
#endif
@ -418,8 +421,123 @@ static void dump_notes(size_t nread)
#endif
}
break;
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_SPINLOCKS
case NOTE_SPINLOCK_LOCK:
case NOTE_SPINLOCK_LOCKED:
case NOTE_SPINLOCK_UNLOCK:
case NOTE_SPINLOCK_ABORT:
{
FAR struct note_spinlock_s *note_spinlock =
(FAR struct note_spinlock_s *)note;
if (note->nc_length != sizeof(struct note_spinlock_s))
{
syslog(LOG_INFO,
"ERROR: note size incorrect for spinlock note: %d\n",
note->nc_length);
return;
}
switch (note->nc_type)
{
#ifdef CONFIG_SMP
case NOTE_SPINLOCK_LOCK:
{
syslog(LOG_INFO,
"%08lx: Task %u CPU%u wait for spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
(unsigned int)note->nc_cpu,
note_spinlock->nsp_spinlock,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
case NOTE_SPINLOCK_LOCKED:
{
syslog(LOG_INFO,
"%08lx: Task %u CPU%u has spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
(unsigned int)note->nc_cpu,
note_spinlock->nsp_spinlock,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
case NOTE_SPINLOCK_UNLOCK:
{
syslog(LOG_INFO,
"%08lx: Task %u CPU%u unlocking spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
(unsigned int)note->nc_cpu,
note_spinlock->nsp_spinlock,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
case NOTE_SPINLOCK_ABORT:
{
syslog(LOG_INFO,
"%08lx: Task %u CPU%u abort wait on spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
(unsigned int)note->nc_cpu,
note_spinlock->nsp_spinlock,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
#else
case NOTE_SPINLOCK_LOCK:
{
syslog(LOG_INFO,
"%08lx: Task %u wait for spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
note_spinlock->nsp_spinlock,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
case NOTE_SPINLOCK_LOCKED:
{
syslog(LOG_INFO,
"%08lx: Task %u has spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
note_spinlock->nsp_spinlock,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
case NOTE_SPINLOCK_UNLOCK:
{
syslog(LOG_INFO,
"%08lx: Task %u unlocking spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
(unsigned int)note->nc_cpu,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
case NOTE_SPINLOCK_ABORT:
{
syslog(LOG_INFO,
"%08lx: Task %u abort wait on spinlock=%p value=%u priority %u\n",
(unsigned long)systime, (unsigned int)pid,
note_spinlock->nsp_spinlock,
(unsigned int)note_spinlock->nsp_value,
(unsigned int)note->nc_priority);
}
break;
#endif
}
#endif
default:
syslog(LOG_INFO, "Unrecognized note type: %d\n", note->nc_type);
return;