diff --git a/bin/rpl_run.sh b/bin/rpl_run.sh
index e6133c664f..134b9b2fc1 100755
--- a/bin/rpl_run.sh
+++ b/bin/rpl_run.sh
@@ -327,10 +327,9 @@ done
 
 if [ -n "$csv_output" ] ; then
   python $BIN_DIR/tblextr.py $csv_output $OUTPUT_LIST
-  if [ "$?" = 1 ] ; then
-    error "CSV generation error, profiling results '$RES_DIR'"
+  if [ "$?" -eq 0 ] ; then
+    echo "RPL: '$csv_output' is generated"
   fi
-  echo "RPL: '$csv_output' is generated"
 fi
 
 if [ "$DATA_PATH" = "$TMP_DIR" ] ; then
diff --git a/bin/tblextr.py b/bin/tblextr.py
index b18065e1ae..ebd878e8f0 100755
--- a/bin/tblextr.py
+++ b/bin/tblextr.py
@@ -83,6 +83,7 @@ def parse_res(infile):
 # print results table method
 def print_tbl(outfile):
   global var_list
+  if len(var_table) == 0: return 1
 
   out = open(outfile, 'w')
 
@@ -107,6 +108,7 @@ def print_tbl(outfile):
     out.write("\n")
 
   out.close()
+  return 0
 #############################################################
 
 # main
@@ -116,6 +118,6 @@ outfile = sys.argv[1]
 infiles = sys.argv[2:]
 for f in infiles :
   parse_res(f)
-print_tbl(outfile)
-sys.exit(0)
+ret = print_tbl(outfile)
+sys.exit(ret)
 #############################################################
diff --git a/src/core/context.h b/src/core/context.h
index 8d3a259dad..db3b76e39d 100644
--- a/src/core/context.h
+++ b/src/core/context.h
@@ -33,6 +33,7 @@ SOFTWARE.
 #include <mutex>
 #include <vector>
 
+#include "core/group_set.h"
 #include "core/metrics.h"
 #include "core/profile.h"
 #include "core/queue.h"
@@ -48,7 +49,7 @@ class Context;
 inline unsigned align_size(unsigned size, unsigned alignment) {
   return ((size + alignment - 1) & ~(alignment - 1));
 }
-
+#if 0
 // Block descriptor
 struct block_des_t {
   uint32_t id;
@@ -68,7 +69,7 @@ struct block_status_t {
   uint32_t counter_index;
   uint32_t group_index;
 };
-
+#endif
 // Metrics arguments
 template <class Map> class MetricArgs : public xml::args_cache_t {
  public:
@@ -181,7 +182,12 @@ class Context {
   {
     metrics_ = MetricsDict::Create(agent_info);
     if (metrics_ == NULL) EXC_RAISING(HSA_STATUS_ERROR, "MetricsDict create failed");
-    Initialize(info, info_count);
+    if (Initialize(info, info_count) == false) {
+      fprintf(stdout, "\nInput metrics out of HW limit. Proposed metrics group set:\n"); fflush(stdout);
+      MetricsGroupSet(agent_info, info, info_count).Print(stdout);
+      fprintf(stdout, "\n"); fflush(stdout);
+      EXC_RAISING(HSA_STATUS_ERROR, "Metrics list exceeds HW limits");
+    }
     Finalize();
 
     if (handler != NULL) {
@@ -209,7 +215,7 @@ class Context {
   }
 
   // Initialize rocprofiler context
-  void Initialize(rocprofiler_feature_t* info_array, const uint32_t info_count) {
+  bool Initialize(rocprofiler_feature_t* info_array, const uint32_t info_count) {
     // Register input features to not duplicate by features referencing
     for (unsigned i = 0; i < info_count; ++i) {
       rocprofiler_feature_t* info = &info_array[i];
@@ -272,9 +278,12 @@ class Context {
             block_status.max_counters = block_counters;
           }
           if (block_status.counter_index >= block_status.max_counters) {
+            return false;
+
             block_status.counter_index = 0;
             block_status.group_index += 1;
           }
+          block_status.counter_index += 1;
           if (block_status.group_index >= set_.size()) {
             set_.push_back(Group(agent_info_, this, block_status.group_index));
           }
@@ -287,6 +296,8 @@ class Context {
         EXC_RAISING(HSA_STATUS_ERROR, "bad rocprofiler feature kind (" << kind << ")");
       }
     }
+
+    return true;
   }
 
   void Finalize() {
diff --git a/src/core/group_set.h b/src/core/group_set.h
new file mode 100644
index 0000000000..b52e865cee
--- /dev/null
+++ b/src/core/group_set.h
@@ -0,0 +1,246 @@
+/******************************************************************************
+MIT License
+
+Copyright (c) 2018 ROCm Core Technology
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*******************************************************************************/
+
+#ifndef SRC_CORE_GROUP_SET_H_
+#define SRC_CORE_GROUP_SET_H_
+
+#include <stdio.h>
+#include <map>
+#include <vector>
+
+#include "core/metrics.h"
+#include "util/exception.h"
+#include "util/hsa_rsrc_factory.h"
+
+namespace rocprofiler {
+
+// Block descriptor
+struct block_des_t {
+  uint32_t id;
+  uint32_t index;
+};
+
+// block_des_t less-then functor
+struct lt_block_des {
+  bool operator()(const block_des_t& a1, const block_des_t& a2) const {
+    return (a1.id < a2.id) || ((a1.id == a2.id) && (a1.index < a2.index));
+  }
+};
+
+// Block status
+struct block_status_t {
+  uint32_t max_counters;
+  uint32_t counter_index;
+  uint32_t group_index;
+};
+
+// Metrics set class
+class MetricsGroup {
+  public:
+  // Info map type
+  typedef std::map<std::string, const Metric*> info_map_t;
+  // Blocks map type
+  typedef std::map<block_des_t, block_status_t, lt_block_des> blocks_map_t;
+
+  MetricsGroup(const util::AgentInfo* agent_info) :
+    agent_info_(agent_info)
+  {
+    metrics_ = MetricsDict::Create(agent_info);
+    if (metrics_ == NULL) EXC_RAISING(HSA_STATUS_ERROR, "MetricsDict create failed");
+  }
+
+  void Print(FILE* file) const {
+    for (const Metric* metric : metrics_vec_) {
+      fprintf(file, " %s", metric->GetName().c_str()); fflush(stdout);
+    }
+    fprintf(file, "\n"); fflush(stdout);
+  }
+
+  static const Metric* GetMetric(const MetricsDict* metrics, const std::string& name) { 
+    // Metric object
+    const Metric* metric = metrics->Get(name);
+    if (metric == NULL)
+      EXC_RAISING(HSA_STATUS_ERROR, "input metric '" << name << "' is not found");
+    return metric;
+  }
+
+  static const Metric* GetMetric(const MetricsDict* metrics, const rocprofiler_feature_t* info) {
+    // Metrics name
+    const char* name = info->name;
+    if (name == NULL) EXC_RAISING(HSA_STATUS_ERROR, "input feature name is NULL");
+    const Metric* metric = GetMetric(metrics, name);
+#if 0
+    std::cout << "    " << name << (metric->GetExpr() ? " = " + metric->GetExpr()->String() : " counter") << std::endl;
+#endif
+    return metric;
+  }
+
+  // Add metric
+  bool AddMetric(const rocprofiler_feature_t* info) {
+    return AddMetric(GetMetric(metrics_, info));
+  }
+
+  bool AddMetric(const Metric* metric) {
+    // Blocks utilization delta
+    blocks_map_t blocks_delta;
+
+    // Process metrics counters
+    const counters_vec_t& counters_vec = metric->GetCounters();
+    if (counters_vec.empty())
+      EXC_RAISING(HSA_STATUS_ERROR, "bad metric '" << metric->GetName() << "' is empty");
+
+    for (const counter_t* counter : counters_vec) {
+      const event_t* event = &(counter->event);
+
+      // For metrics expressions checking that there is no the same counter in the input metrics
+      // and also that the counter wasn't registered already by another input metric expression
+      if (info_map_.find(counter->name) != info_map_.end()) continue;
+
+      const block_des_t block_des = {event->block_name, event->block_index};
+      auto ret = blocks_map_.insert({block_des, {}});
+      block_status_t& block_status = ret.first->second;
+      if (ret.second == true) {
+        profile_t query = {};
+        query.agent = agent_info_->dev_id;
+        query.type = HSA_VEN_AMD_AQLPROFILE_EVENT_TYPE_PMC;
+        query.events = event;
+
+        uint32_t block_counters;
+        hsa_status_t status = util::HsaRsrcFactory::Instance().AqlProfileApi()->hsa_ven_amd_aqlprofile_get_info(
+            &query, HSA_VEN_AMD_AQLPROFILE_INFO_BLOCK_COUNTERS, &block_counters);
+        if (status != HSA_STATUS_SUCCESS) AQL_EXC_RAISING(status, "get block_counters info");
+        block_status.max_counters = block_counters;
+      }
+
+      ret = blocks_delta.insert({block_des, block_status});
+      block_status_t& delta_status = ret.first->second;
+      delta_status.counter_index += 1;
+      if (delta_status.counter_index > delta_status.max_counters) return false;
+    }
+
+    // Register metric
+    metrics_vec_.push_back(metric);
+    info_map_[metric->GetName()] = metric;
+    for (const counter_t* counter : counters_vec) {
+      if (info_map_.find(counter->name) == info_map_.end()) info_map_[counter->name] = NewCounterInfo(counter->name);
+    }
+    for (const auto& entry : blocks_delta) {
+      blocks_map_[entry.first] = entry.second;
+    }
+
+    return true;
+  }
+
+  private:
+  const Metric* NewCounterInfo(const std::string& name) const {
+    return GetMetric(metrics_, name);
+  }
+
+  // Agent info
+  const util::AgentInfo* const agent_info_;
+  // Metrics dictionary
+  const MetricsDict* metrics_;
+  // Info map
+  info_map_t info_map_;
+  // Blocks map
+  blocks_map_t blocks_map_;
+  // Metrics vector
+  std::vector<const Metric*> metrics_vec_;
+};
+
+// Metrics groups class
+class MetricsGroupSet {
+  public:
+  MetricsGroupSet(const util::AgentInfo* agent_info, const rocprofiler_feature_t* info_array, const uint32_t info_count) :
+    agent_info_(agent_info)
+  {
+    metrics_ = MetricsDict::Create(agent_info);
+    if (metrics_ == NULL) EXC_RAISING(HSA_STATUS_ERROR, "MetricsDict create failed");
+    Initialize(info_array, info_count);
+  }
+
+  ~MetricsGroupSet() {
+    for (auto* group : groups_) delete group;
+  }
+
+  uint32_t GetSize() const { return groups_.size(); }
+
+  void Print(FILE* file) const {
+    uint32_t idx = 0;
+    for (const auto* group : groups_) {
+      ++idx;
+      fprintf(stdout, " group%u:", idx); fflush(stdout);
+      group->Print(file);
+    }
+  }
+
+  private:
+  void Initialize(const rocprofiler_feature_t* info_array, const uint32_t info_count) {
+    std::multimap<uint32_t, const Metric*> input_metrics;
+    for (unsigned i = 0; i < info_count; ++i) {
+      const rocprofiler_feature_t* info = &info_array[i];
+      if (info->kind != ROCPROFILER_FEATURE_KIND_METRIC) continue;
+      const Metric* metric = MetricsGroup::GetMetric(metrics_, info);
+      const uint32_t counters_num = metric->GetCounters().size();
+      input_metrics.insert({counters_num, metric});
+
+      if (MetricsGroup(agent_info_).AddMetric(metric) == false) {
+        AQL_EXC_RAISING(HSA_STATUS_ERROR, "Metric '" << metric->GetName() << "' doesn't fit in one group");
+      }
+    }
+    uint32_t group_num = 0;
+    while (input_metrics.size() != 0) {
+      MetricsGroup* group = NextGroup();
+      ++group_num;
+      auto it = input_metrics.end();
+      --it;
+      bool to_cont = true;
+      do {
+        const Metric* metric = it->second;
+        const bool to_erase = (group->AddMetric(metric) == true);
+        to_cont = (it != input_metrics.begin());
+
+        auto curr = it;
+        if (to_cont) --it;
+        if (to_erase) input_metrics.erase(curr);
+      } while (to_cont);
+    }
+  }
+
+  MetricsGroup* NextGroup() {
+    groups_.push_back(new MetricsGroup(agent_info_));
+    return groups_.back();
+  }
+
+  // Agent info
+  const util::AgentInfo* const agent_info_;
+  // Metrics dictionary
+  const MetricsDict* metrics_;
+  // Metrics group vector
+  std::vector<MetricsGroup*> groups_;
+};
+
+}  // namespace rocprofiler
+
+#endif // SRC_CORE_GROUP_SET_H_