diff --git a/bin/tblextr.py b/bin/tblextr.py
index 9417a2de19..866890db3e 100755
--- a/bin/tblextr.py
+++ b/bin/tblextr.py
@@ -115,7 +115,10 @@ def parse_res(infile):
   beg_pattern = re.compile("^dispatch\[(\d*)\], (.*) kernel-name\(\"([^\"]*)\"\)")
   prop_pattern = re.compile("([\w-]+)\((\w+)\)");
   ts_pattern = re.compile(", time\((\d*),(\d*),(\d*),(\d*)\)")
-  var_pattern = re.compile("^\s*([^\s]*)\s+\((\d*)\)")
+  # var pattern below matches a variable name and a variable value from a one
+  # line text in the format of for example "WRITE_SIZE (0.2500000000)" or
+  # "GRBM_GUI_ACTIVE (27867)"
+  var_pattern = re.compile("^\s*([a-zA-Z0-9_]+)\s+\((\d+(?:\.\d+)?)\)")
 
   dispatch_number = 0
   for line in inp.readlines():
diff --git a/src/core/context.h b/src/core/context.h
index a8026dd3f2..f629ef1ce4 100644
--- a/src/core/context.h
+++ b/src/core/context.h
@@ -55,7 +55,7 @@ inline unsigned align_size(unsigned size, unsigned alignment) {
 template <class Map> class MetricArgs : public xml::args_cache_t {
  public:
   MetricArgs(const Map& map) : map_(map) {}
-  bool Lookup(const std::string& name, uint64_t& result) const {
+  bool Lookup(const std::string& name, double& result) const {
     rocprofiler_feature_t* info = NULL;
     auto it = map_.find(name);
     if (it == map_.end()) EXC_RAISING(HSA_STATUS_ERROR, "var '" << name << "' is not found");
@@ -311,8 +311,8 @@ class Context {
         if (it == info_map_.end())
           EXC_RAISING(HSA_STATUS_ERROR, "metric '" << name << "', rocprofiler info is not found " << this);
         rocprofiler_feature_t* info = it->second;
-        info->data.result_int64 = expr->Eval(args);
-        info->data.kind = ROCPROFILER_DATA_KIND_INT64;
+        info->data.result_double = expr->Eval(args);
+        info->data.kind = ROCPROFILER_DATA_KIND_DOUBLE;
       }
     }
   }
diff --git a/src/xml/expr.h b/src/xml/expr.h
index 731e25e4fd..7f754b4cda 100644
--- a/src/xml/expr.h
+++ b/src/xml/expr.h
@@ -29,6 +29,7 @@ THE SOFTWARE.
 #include <iostream>
 #include <sstream>
 #include <string.h>
+#include <float.h>
 
 namespace xml {
 class exception_t : public std::exception {
@@ -45,8 +46,8 @@ class div_zero_exception_t : public exception_t {
   explicit div_zero_exception_t(const std::string& msg) : exception_t("Divide by zero exception " + msg) {}
 };
 
-typedef uint64_t args_t;
-static const args_t ARGS_MAX = UINT64_MAX;
+typedef double args_t;
+static const args_t ARGS_MAX = DBL_MAX;
 typedef std::map<std::string, args_t> args_map_t;
 class Expr;
 
diff --git a/test/app/intercept_test.cpp b/test/app/intercept_test.cpp
index e62bf6cee9..bbcdf806b7 100644
--- a/test/app/intercept_test.cpp
+++ b/test/app/intercept_test.cpp
@@ -124,6 +124,9 @@ void dump_context_entry(context_entry_t* entry, rocprofiler_feature_t* features,
       case ROCPROFILER_DATA_KIND_INT64:
         fprintf(stdout, "= (%lu)\n", p->data.result_int64);
         break;
+      case ROCPROFILER_DATA_KIND_DOUBLE:
+	fprintf(stdout, "= (%lf)\n", p->data.result_double);
+	break;
       default:
         fprintf(stderr, "Undefined data kind(%u)\n", p->data.kind);
         abort();
diff --git a/test/app/standalone_test.cpp b/test/app/standalone_test.cpp
index 34bc05ea80..1344e0ebcb 100644
--- a/test/app/standalone_test.cpp
+++ b/test/app/standalone_test.cpp
@@ -78,6 +78,9 @@ void print_features(rocprofiler_feature_t* feature, uint32_t feature_count) {
         case ROCPROFILER_DATA_KIND_INT64:
           std::cout << std::dec << " result64 (" << p->data.result_int64 << ")" << std::endl;
           break;
+        case ROCPROFILER_DATA_KIND_DOUBLE:
+          std::cout << " result64 (" << p->data.result_double << ")" << std::endl;
+          break;
         case ROCPROFILER_DATA_KIND_BYTES: {
           const char* ptr = reinterpret_cast<const char*>(p->data.result_bytes.ptr);
           uint64_t size = 0;
diff --git a/test/tool/tool.cpp b/test/tool/tool.cpp
index 4bdce5dd5d..1ccce95619 100644
--- a/test/tool/tool.cpp
+++ b/test/tool/tool.cpp
@@ -351,6 +351,9 @@ void output_results(const context_entry_t* entry, const char* label) {
       case ROCPROFILER_DATA_KIND_INT64:
         fprintf(file, "(%lu)\n", p->data.result_int64);
         break;
+      case ROCPROFILER_DATA_KIND_DOUBLE:
+        fprintf(file, "(%.10lf)\n", p->data.result_double);
+        break;
       default:
         fprintf(stderr, "RPL-tool: undefined data kind(%u)\n", p->data.kind);
         abort();
@@ -358,12 +361,13 @@ void output_results(const context_entry_t* entry, const char* label) {
   }
 }
 
-// Output group intermeadate profiling results, created internally for complex metrics
+// Output group intermediate profiling results, created internally for complex metrics
 void output_group(const context_entry_t* entry, const char* label) {
   const rocprofiler_group_t* group = &(entry->group);
   context_entry_t group_entry = *entry;
   for (unsigned i = 0; i < group->feature_count; ++i) {
-    if (group->features[i]->data.kind == ROCPROFILER_DATA_KIND_INT64) {
+    if (group->features[i]->data.kind == ROCPROFILER_DATA_KIND_INT64 ||
+        group->features[i]->data.kind == ROCPROFILER_DATA_KIND_DOUBLE) {
       group_entry.features = group->features[i];
       group_entry.feature_count = 1;
       output_results(&group_entry, label);