From 7b9b2569a9546456a39184713378e9663769b7be Mon Sep 17 00:00:00 2001
From: Stefan Iliev <46542846+StefanIliev545@users.noreply.github.com>
Date: Tue, 9 Mar 2021 18:00:04 +0000
Subject: [PATCH] NAAS-107 StartupQueueTime metric fix (#6886)

* Fixed StartupQueueTime metric producing negative numbers.
---
 .../corda/node/services/statemachine/FlowStateMachineImpl.kt   | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/node/src/main/kotlin/net/corda/node/services/statemachine/FlowStateMachineImpl.kt b/node/src/main/kotlin/net/corda/node/services/statemachine/FlowStateMachineImpl.kt
index ebe89b5d4c..db697148cd 100644
--- a/node/src/main/kotlin/net/corda/node/services/statemachine/FlowStateMachineImpl.kt
+++ b/node/src/main/kotlin/net/corda/node/services/statemachine/FlowStateMachineImpl.kt
@@ -62,7 +62,6 @@ import org.apache.activemq.artemis.utils.ReusableLatch
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 import org.slf4j.MDC
-import java.time.Duration
 import java.util.concurrent.TimeUnit
 
 class FlowPermissionException(message: String) : FlowException(message)
@@ -336,7 +335,7 @@ class FlowStateMachineImpl<R>(override val id: StateMachineRunId,
         val startTime = System.nanoTime()
         serviceHub.monitoringService.metrics
                 .timer("Flows.StartupQueueTime")
-                .update(Duration.ofNanos(startTime).toMillis() - creationTime, TimeUnit.MILLISECONDS)
+                .update(System.currentTimeMillis() - creationTime, TimeUnit.MILLISECONDS)
         var initialised = false
         val resultOrError = try {