X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/98b96e960102644def66b7e75f084626d557ae4b..510c97d4c651c63ef9851a7e1d9c328f62b5b00b:/src/instr/instr_resource_utilization.cpp

diff --git a/src/instr/instr_resource_utilization.cpp b/src/instr/instr_resource_utilization.cpp
index d9d96fc8f7..aa7ad8ca1e 100644
--- a/src/instr/instr_resource_utilization.cpp
+++ b/src/instr/instr_resource_utilization.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2018. The SimGrid Team.
+/* Copyright (c) 2010-2019. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -9,8 +9,8 @@
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_resource, instr, "tracing (un)-categorized resource utilization");
 
-void TRACE_surf_resource_set_utilization(const char* type, const char* name, const char* resource, std::string category,
-                                         double value, double now, double delta)
+void TRACE_surf_resource_set_utilization(const char* type, const char* name, const char* resource,
+                                         const std::string& category, double value, double now, double delta)
 {
   // only trace resource utilization if resource is known by tracing mechanism
   container_t container = simgrid::instr::Container::by_name_or_null(resource);
@@ -24,7 +24,7 @@ void TRACE_surf_resource_set_utilization(const char* type, const char* name, con
   }
 
   // trace categorized resource utilization
-  if (TRACE_categorized() && !category.empty()) {
+  if (TRACE_categorized() && not category.empty()) {
     std::string category_type = name[0] + category;
     XBT_DEBUG("CAT %s [%f - %f] %s %s %f", type, now, now + delta, resource, category_type.c_str(), value);
     container->get_variable(name)->instr_event(now, delta, resource, value);