perf: reduce traffic formatter allocations (#6790)

Co-authored-by: Javier Guerrero <javier.guerrero@github.com> Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
2026-10-20 19:01:17 +00:00 · 2026-10-12 02:05:40 -07:00 · 2026-10-12 02:05:40 -07:00 · c321933a54
commit c321933a54
parent d43e0c7ead
2 changed files with 8 additions and 4 deletions
--- a/internal/util/common/format.go
+++ b/internal/util/common/format.go
@ -1,8 +1,6 @@
 package common

-import (
-	"fmt"
-)
+import "strconv"

 // FormatTraffic formats traffic bytes into human-readable units (B, KB, MB, GB, TB, PB).
 func FormatTraffic(trafficBytes int64) string {
@ -14,5 +12,5 @@ func FormatTraffic(trafficBytes int64) string {
 		size /= 1024
 		unitIndex++
 	}
-	return fmt.Sprintf("%.2f%s", size, units[unitIndex])
+	return strconv.FormatFloat(size, 'f', 2, 64) + units[unitIndex]
 }
--- a/internal/util/common/format_test.go
+++ b/internal/util/common/format_test.go
@ -26,3 +26,9 @@ func TestFormatTraffic(t *testing.T) {
 		})
 	}
 }
+
+func BenchmarkFormatTraffic(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_ = FormatTraffic(1536 + int64(i%64)*1024)
+	}
+}