[GitHub] [nuttx] hartmannathan commented on a diff in pull request #8531: Refine the drivers/note Kconfig

["hartmannathan (via GitHub)" <gi...@apache.org>]

hartmannathan commented on code in PR #8531:
URL: https://github.com/apache/nuttx/pull/8531#discussion_r1107991809


##########
sched/Kconfig:
##########
@@ -945,6 +945,148 @@ config SCHED_CPULOAD_TIMECONSTANT
 
 endif # SCHED_CPULOAD
 
+menuconfig SCHED_INSTRUMENTATION
+	bool "System performance monitor hooks"
+	default n
+	select SCHED_SUSPENDSCHEDULER
+	select SCHED_RESUMESCHEDULER
+	---help---
+		Enables instrumentation in scheduler to monitor system performance.
+		If enabled, then the board-specific logic must provide the following
+		functions (see include/sched.h):
+
+			void sched_note_start(FAR struct tcb_s *tcb);
+			void sched_note_stop(FAR struct tcb_s *tcb);
+
+		If CONFIG_SMP is enabled, then these additional interfaces are
+		expected:
+
+			void sched_note_cpu_start(FAR struct tcb_s *tcb, int cpu);
+			void sched_note_cpu_started(FAR struct tcb_s *tcb);
+
+if SCHED_INSTRUMENTATION
+
+config SCHED_INSTRUMENTATION_CPUSET
+	hex "CPU bit set"
+	default 0xffff
+	depends on SMP && SCHED_INSTRUMENTATION_FILTER
+	---help---
+		Monitor only CPUs in the bitset.  Bit 0=CPU0, Bit1=CPU1, etc.
+
+config SCHED_INSTRUMENTATION_HIRES
+	bool "Use Hi-Res RTC for instrumentation"
+	default n
+	---help---
+		Use higher resolution system timer for instrumentation.
+
+config SCHED_INSTRUMENTATION_FILTER
+	bool "Instrumenation filter"

Review Comment:
   ```suggestion
   	bool "Instrumentation filter"
   ```



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