From 7aa7c257465b9c8ff118753755880e8fa7ecdd1f Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Thu, 3 Mar 2022 10:35:24 +0300
Subject: [PATCH] Show CPU frequency

---
 main.go | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/main.go b/main.go
index e99bf5b..a9be080 100644
--- a/main.go
+++ b/main.go
@@ -17,6 +17,7 @@ import (
 var (
 	MyPID string = strconv.Itoa(os.Getpid())
 	CPU   string = "?"
+	Freq  string = "?"
 	Mem   string = "?"
 	ARC   string = "?"
 	Swap  string = "?"
@@ -123,6 +124,16 @@ func netstat() {
 	}
 }
 
+func freq() {
+	for cols := range bg("sysctl", "-n", "dev.cpu.0.freq") {
+		raw, err := strconv.Atoi(cols[0])
+		if err != nil {
+			continue
+		}
+		Freq = fmt.Sprintf("%.1fG", float64(raw)/1000)
+	}
+}
+
 func flagfiles() {
 	ents, err := os.ReadDir("/tmp/stargrave-flags")
 	if err != nil {
@@ -146,6 +157,7 @@ func main() {
 		}
 	}()
 	go top()
+	go freq()
 	go iostat()
 	go netstat()
 	var now time.Time
@@ -154,8 +166,8 @@ func main() {
 	for {
 		now = time.Now()
 		status = fmt.Sprintf(
-			"[%s]  [%s]  [%s]  [%s%s %s ARC]  [%s] %s",
-			IOs, Net, CPU, Swap, Mem, ARC, Flags,
+			"[%s]  [%s]  [%s %s]  [%s%s %s ARC]  [%s] %s",
+			IOs, Net, CPU, Freq, Swap, Mem, ARC, Flags,
 			now.Format("2006-01-02 15:04:05"),
 		)
 		if *xsetroot {
-- 
2.44.0