1 files changed, 24 insertions, 2 deletions
diff --git a/internal/cpu/types.go b/internal/cpu/types.go
index 58da0a9..45f6ff5 100644
--- a/internal/cpu/types.go
+++ b/internal/cpu/types.go
@@ -1,7 +1,10 @@
 // Package cpu provides CPU stress testing with multiple algorithms and chaos modes.
 package cpu
 
-import "time"
+import (
+	"runtime"
+	"time"
+)
 
 // types.go defines the configuration types and mode constants for CPU stress testing.
 
@@ -18,7 +21,6 @@ const (
 	ModeEncrypt  Mode = "encrypt"
 	ModeSort     Mode = "sort"
 	ModeBusy     Mode = "busy"
-	ModeRandom   Mode = "random"
 )
 
 var allModes = []Mode{
@@ -42,4 +44,24 @@ type Config struct {
 	ChaosInterval time.Duration
 	IntensityMin  int
 	IntensityMax  int
+	MinCPUs       int
+	MaxCPUs       int
+}
+
+func (c *Config) normalize() {
+	if c.MinCPUs <= 0 {
+		c.MinCPUs = 1
+	}
+	if c.MaxCPUs <= 0 {
+		c.MaxCPUs = runtime.NumCPU()
+	}
+	if c.MinCPUs > runtime.NumCPU() {
+		c.MinCPUs = runtime.NumCPU()
+	}
+	if c.MaxCPUs > runtime.NumCPU() {
+		c.MaxCPUs = runtime.NumCPU()
+	}
+	if c.MinCPUs > c.MaxCPUs {
+		c.MinCPUs, c.MaxCPUs = c.MaxCPUs, c.MinCPUs
+	}
 }