register available_managed_shm metric only for readout-proxy

Author: ehellbar

Framework/Core/src/CommonServices.cxx

@@ -768,8 +768,11 @@ auto sendRelayerMetrics(ServiceRegistryRef registry, DataProcessingStats& stats)
   using namespace fair::mq::shmem;
   auto& spec = registry.get<DeviceSpec const>();
 
+  auto hasMetric = [&runningWorkflow](const DataProcessingStats::MetricSpec& metric) -> bool {
+    return metric.metricId == static_cast<int>(ProcessingStatsId::AVAILABLE_MANAGED_SHM_BASE) + (runningWorkflow.shmSegmentId % 512);
+  };
   // FIXME: Ugly, but we do it only every 5 seconds...
-  if (spec.name == "readout-proxy") {
+  if (std::find_if(stats.metricSpecs.begin(), stats.metricSpecs.end(), hasMetric) != stats.metricSpecs.end()) {
     auto device = registry.get<RawDeviceService>().device();
     long freeMemory = -1;
     try {
@@ -1105,6 +1108,9 @@ o2::framework::ServiceSpec CommonServices::dataProcessingStats()
                    .sendInitialValue = true}};
 
       for (auto& metric : metrics) {
+        if (metric.metricId == (int)ProcessingStatsId::AVAILABLE_MANAGED_SHM_BASE + (runningWorkflow.shmSegmentId % 512) && spec.name.compare("readout-proxy") != 0) {
+          continue;
+        }
         stats->registerMetric(metric);
       }