Add runtime.Gosched call in LockCore for improved scheduling

amken3d · amken3d · commit 90250537dc25 · 2025-11-22T15:56:43.000-05:00
diff --git a/src/machine/machine_rp2_cores.go b/src/machine/machine_rp2_cores.go
@@ -2,6 +2,8 @@
 
 package machine
 
+import "runtime"
+
 const numCPU = 2 // RP2040 and RP2350 both have 2 cores
 
 // LockCore sets the affinity for the current goroutine to the specified core.
@@ -35,6 +37,7 @@ func LockCore(core int) {
 		panic("machine: core out of range")
 	}
 	machineLockCore(core)
+	runtime.Gosched()
 }
 
 // UnlockCore unpins the calling goroutine, allowing it to run on any available core.

Original file line number	Diff line number	Diff line change
`@@ -2,6 +2,8 @@`
`2`	`2`
`3`	`3`	`package machine`
`4`	`4`
	`5`	`+import "runtime"`
	`6`	`+`
`5`	`7`	`const numCPU = 2 // RP2040 and RP2350 both have 2 cores`
`6`	`8`
`7`	`9`	`// LockCore sets the affinity for the current goroutine to the specified core.`
`@@ -35,6 +37,7 @@ func LockCore(core int) {`
`35`	`37`	`panic("machine: core out of range")`
`36`	`38`	`}`
`37`	`39`	`machineLockCore(core)`
	`40`	`+ runtime.Gosched()`
`38`	`41`	`}`
`39`	`42`
`40`	`43`	`// UnlockCore unpins the calling goroutine, allowing it to run on any available core.`