xmaker: add delayHedgeCounterMetrics counter

pkg/strategy/xmaker/metrics.go

@@ -2,6 +2,12 @@ package xmaker
 
 import "github.com/prometheus/client_golang/prometheus"
 
+var delayHedgeCounterMetrics = prometheus.NewCounterVec(
+	prometheus.CounterOpts{
+		Name: "xmaker_delay_hedge_counter",
+		Help: "delay hedge counter",
+	}, []string{"strategy_type", "strategy_id", "exchange", "symbol"})
+
 var cancelOrderDurationMetrics = prometheus.NewHistogramVec(
 	prometheus.HistogramOpts{
 		Name:    "xmaker_cancel_order_duration_milliseconds",
@@ -97,5 +103,6 @@ func init() {
 		configMaxExposureMetrics,
 		configBidMarginMetrics,
 		configAskMarginMetrics,
+		delayHedgeCounterMetrics,
 	)
 }

pkg/strategy/xmaker/strategy.go

@@ -1174,16 +1174,24 @@ func (s *Strategy) canDelayHedge(side types.SideType, pos fixedpoint.Value) bool
 
 	signal := s.lastAggregatedSignal.Get()
 
+	if math.Abs(signal) < s.DelayHedgeSignalThreshold {
+		return false
+	}
+
 	// if the signal is strong enough, we can delay the hedge and wait for the next tick
-	if math.Abs(signal) > s.DelayHedgeSignalThreshold {
 	period, ok := s.getPositionHoldingPeriod(time.Now())
-		if ok && (signal > 0 && side == types.SideTypeSell) || (signal < 0 && side == types.SideTypeBuy) {
+	if !ok {
+		return false
+	}
+
+	if (signal > 0 && side == types.SideTypeSell) || (signal < 0 && side == types.SideTypeBuy) {
 		if period < s.MaxDelayHedgeDuration.Duration() {
 			s.logger.Infof("delay hedge enabled, signal %f is strong enough, waiting for the next tick to hedge %s quantity (max period %s)", signal, pos, s.MaxDelayHedgeDuration.Duration().String())
+
+			delayHedgeCounterMetrics.With(s.metricsLabels).Inc()
 			return true
 		}
 	}
-	}
 
 	return false
 }