diff --git a/source/adios2/engine/bp5/BP5Writer.cpp b/source/adios2/engine/bp5/BP5Writer.cpp
index ff1889577e..856ef2134b 100644
--- a/source/adios2/engine/bp5/BP5Writer.cpp
+++ b/source/adios2/engine/bp5/BP5Writer.cpp
@@ -507,9 +507,11 @@ void BP5Writer::MarshalAttributes()
 #ifdef ADIOS2_HAVE_DERIVED_VARIABLE
 void BP5Writer::ComputeDerivedVariables()
 {
+    PERFSTUBS_SCOPED_TIMER("BP5Writer::ComputeDerivedVariables");
     auto const &m_VariablesDerived = m_IO.GetDerivedVariables();
     auto const &m_Variables = m_IO.GetVariables();
     // parse all derived variables
+    m_Profiler.Start("DeriveVars");
     for (auto it = m_VariablesDerived.begin(); it != m_VariablesDerived.end(); it++)
     {
         // identify the variables used in the derived variable
@@ -562,6 +564,7 @@ void BP5Writer::ComputeDerivedVariables()
             free(std::get<0>(derivedBlock));
         }
     }
+    m_Profiler.Stop("DeriveVars");
 }
 #endif
 
diff --git a/source/adios2/toolkit/derived/Function.cpp b/source/adios2/toolkit/derived/Function.cpp
index 441be6a7c6..da64e37f60 100644
--- a/source/adios2/toolkit/derived/Function.cpp
+++ b/source/adios2/toolkit/derived/Function.cpp
@@ -5,6 +5,7 @@
 #include "Function.tcc"
 #include "adios2/common/ADIOSMacros.h"
 #include "adios2/helper/adiosFunctions.h"
+#include <adios2-perfstubs-interface.h>
 #include <cmath>
 
 namespace adios2
@@ -14,6 +15,7 @@ namespace derived
 
 DerivedData AddFunc(std::vector<DerivedData> inputData, DataType type)
 {
+    PERFSTUBS_SCOPED_TIMER("derived::Function::AddFunc");
     size_t dataSize = std::accumulate(std::begin(inputData[0].Count), std::end(inputData[0].Count),
                                       1, std::multiplies<size_t>());
 
@@ -31,6 +33,7 @@ DerivedData AddFunc(std::vector<DerivedData> inputData, DataType type)
 
 DerivedData MagnitudeFunc(std::vector<DerivedData> inputData, DataType type)
 {
+    PERFSTUBS_SCOPED_TIMER("derived::Function::MagnitudeFunc");
     size_t dataSize = std::accumulate(std::begin(inputData[0].Count), std::end(inputData[0].Count),
                                       1, std::multiplies<size_t>());
 #define declare_type_mag(T)                                                                        \
@@ -147,6 +150,7 @@ float linear_interp(DerivedData input, size_t index, size_t dim)
  */
 DerivedData Curl3DFunc(const std::vector<DerivedData> inputData, DataType type)
 {
+    PERFSTUBS_SCOPED_TIMER("derived::Function::Curl3DFunc");
     size_t dataSize = inputData[0].Count[0] * inputData[0].Count[1] * inputData[0].Count[2];
 
     DerivedData curl;
diff --git a/source/adios2/toolkit/profiling/iochrono/IOChrono.cpp b/source/adios2/toolkit/profiling/iochrono/IOChrono.cpp
index 0cfd7eef26..1002d110ae 100644
--- a/source/adios2/toolkit/profiling/iochrono/IOChrono.cpp
+++ b/source/adios2/toolkit/profiling/iochrono/IOChrono.cpp
@@ -56,6 +56,8 @@ JSONProfiler::JSONProfiler(helper::Comm const &comm) : m_Comm(comm)
     AddTimerWatch("DC_WaitOnAsync2");
     AddTimerWatch("PDW");
 
+    AddTimerWatch("DeriveVars");
+
     m_Profiler.m_Bytes.emplace("buffering", 0);
     AddTimerWatch("DataRead");
     m_Profiler.m_Bytes.emplace("dataread", 0);