From b5744e074d5ca79b5768678b59cc3374582874f4 Mon Sep 17 00:00:00 2001
From: Adam Wegrzynek <awegrzyn@users.noreply.github.com>
Date: Wed, 22 Mar 2023 14:18:00 +0100
Subject: [PATCH] [OMON-655] Improve error message when dividing by 0 (#315)

---
 CMakeLists.txt         | 2 +-
 src/DerivedMetrics.cxx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4011992f..d45491f4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ endif()
 
 # Define project
 project(Monitoring
-  VERSION 3.15.2
+  VERSION 3.15.4
   DESCRIPTION "O2 Monitoring library"
   LANGUAGES CXX
 )
diff --git a/src/DerivedMetrics.cxx b/src/DerivedMetrics.cxx
index 39925ec0..bc9405bd 100644
--- a/src/DerivedMetrics.cxx
+++ b/src/DerivedMetrics.cxx
@@ -80,7 +80,7 @@ bool DerivedMetrics::process(Metric& metric, DerivedMetricMode mode)
        int timestampCount = timestampDifference.count();
        // disallow dividing by 0
        if (timestampCount == 0) {
-         throw MonitoringException("DerivedMetrics", "Division by 0 when calculating rate for: " + metric.getFirstValue().first);
+         throw MonitoringException("DerivedMetrics", "Division by 0 when calculating rate for: " + metric.getName() + "/" + metric.getFirstValue().first);
        }
 
        auto current = metric.getFirstValue().second;