first commit

transports/bifrost-http/handlers/devpprof_unix.go

@@ -0,0 +1,26 @@
+//go:build dev && !windows
+
+package handlers
+
+import (
+	"syscall"
+	"time"
+)
+
+// getCPUSample gets the current CPU time sample using syscall
+func getCPUSample() cpuSample {
+	var rusage syscall.Rusage
+	if err := syscall.Getrusage(syscall.RUSAGE_SELF, &rusage); err != nil {
+		return cpuSample{timestamp: time.Now()}
+	}
+
+	userTime := time.Duration(rusage.Utime.Sec)*time.Second + time.Duration(rusage.Utime.Usec)*time.Microsecond
+	systemTime := time.Duration(rusage.Stime.Sec)*time.Second + time.Duration(rusage.Stime.Usec)*time.Microsecond
+
+	return cpuSample{
+		timestamp:  time.Now(),
+		userTime:   userTime,
+		systemTime: systemTime,
+	}
+}
+