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sched: add CONFIG_SCHED_CRITMONITOR_XX for debugging system lantency

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Change-Id: Id2a75db28caf1a89552e33391bd90f85cde08dbd
Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd
2021-04-29 19:41:27 +08:00
committed by Xiang Xiao
parent 2d32a52353
commit adfaa140cc
5 changed files with 184 additions and 2 deletions
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sched/Kconfig
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@@ -736,6 +736,58 @@ config SCHED_CRITMONITOR
The second interface simply converts an elapsed time into well known
units for presentation by the ProcFS file system.
if SCHED_CRITMONITOR
config SCHED_CRITMONITOR_MAXTIME_THREAD
int "THREAD max execution time"
default 0
---help---
Thread execution time should be smaller than
SCHED_CRITMONITOR_MAXTIME_THREAD, or system will give a warnning.
For debugging system lantency, 0 means disabled.
config SCHED_CRITMONITOR_MAXTIME_WQUEUE
int "WORK queue max execution time"
default SCHED_CRITMONITOR_MAXTIME_THREAD
---help---
Worker execution time should be smaller than
SCHED_CRITMONITOR_MAXTIME_WQUEUE, or system will give a warnning.
For debugging system lantency, 0 means disabled.
config SCHED_CRITMONITOR_MAXTIME_PREEMPTION
int "Pre-emption (sched_lock) max holding time"
default SCHED_CRITMONITOR_MAXTIME_WQUEUE
---help---
Pre-emption holding time should be smaller than
SCHED_CRITMONITOR_MAXTIME_PREEMPTION, or system will give a warnning.
For debugging system lantency, 0 means disabled.
config SCHED_CRITMONITOR_MAXTIME_CSECTION
int "Csection (enter_critical_section) max holding time"
default SCHED_CRITMONITOR_MAXTIME_PREEMPTION
---help---
Csection holding time should be smaller than
SCHED_CRITMONITOR_MAXTIME_CSECTION, or system will give a warnning.
For debugging system lantency, 0 means disabled.
config SCHED_CRITMONITOR_MAXTIME_IRQ
int "IRQ max execution time"
default SCHED_CRITMONITOR_MAXTIME_CSECTION
---help---
IRQ handler execution time should be smaller than
SCHED_CRITMONITOR_MAXTIME_IRQ, or system will give a warnning.
For debugging system lantency, 0 means disabled.
config SCHED_CRITMONITOR_MAXTIME_WDOG
int "WDOG callback max execution time"
default SCHED_CRITMONITOR_MAXTIME_IRQ
---help---
Wdog callback execution time should be smaller than
SCHED_CRITMONITOR_MAXTIME_WDOG, or system will give a warnning.
For debugging system lantency, 0 means disabled.
endif # SCHED_CRITMONITOR
config SCHED_CPULOAD
bool "Enable CPU load monitoring"
default n