refer to --userspace-metric-event on error with -E

tud-zih-energy · Jun 6, 2024 · 50d7f49 · 50d7f49
1 parent 8e13667
commit 50d7f49
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/perf/counter/group/reader.cpp b/src/perf/counter/group/reader.cpp
@@ -110,6 +110,12 @@ Reader<T>::Reader(ExecutionScope scope, bool enable_on_exec)
                         << " counters at once might exceed the hardware limit of simultaneously "
                            "openable counters.";
                 }
+
+                if (perf::counter::CounterProvider::instance().has_group_counters(
+                        ExecutionScope(scope)))
+                {
+                    Log::error() << "Try using --userspace-metric-event if the error persists.";
+                }
                 throw e;
             }
         }