Update babeltrace_thapi.in

utils/babeltrace_thapi.in

@@ -160,18 +160,20 @@ def get_components(names)
       require 'babeltrace_cuda_lib' if $options[:backends].include?('cuda')
       require 'babeltrace_hip_lib' if $options[:backends].include?('hip')
       # I guess need to put it in `babeltrace_energy_lib` at some point?
-      $energies={}
-      $event_lambdas["lttng_ust_ze_sampling:gpu_energy"] = lambda { |defi|
-        energy = defi['energy']
-        timestamp = defi['timestamp']
-        key = [ defi['hDevice'], defi['domain'] ]
-        previous = $energies[key]
-        if previous
-          p_energy, p_timestamp = previous
-          puts "#{key[0]}:#{key[1]}: #{(energy - p_energy).to_f/(timestamp - p_timestamp)}"
-        end
-        $energies[key] = [energy, timestamp]
-      } if $options[:backends].include?('ze')
+      if $options[:backends].include?('ze')
+        $energies={}
+        $event_lambdas["lttng_ust_ze_sampling:gpu_energy"] = lambda { |defi|
+          energy = defi['energy']
+          timestamp = defi['timestamp']
+          key = [ defi['hDevice'], defi['domain'] ]
+          previous = $energies[key]
+          if previous
+            p_energy, p_timestamp = previous
+            puts "#{key[0]}:#{key[1]}: #{(energy - p_energy).to_f/(timestamp - p_timestamp)}"
+          end
+          $energies[key] = [energy, timestamp]
+        } 
+      end
 
       f = lambda { |iterator, _|
         iterator.next_messages.each do |m|