build: add code to build test/perf/perf-io.cc

src/test/perf/wscript

@@ -1,10 +0,0 @@
-## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
-
-def configure(conf):
-    pass
-
-def build(bld):
-    obj = bld.create_ns3_program('perf-io')
-    obj.source = 'perf-io.cc'
-
-

utils/CMakeLists.txt

@@ -41,3 +41,9 @@ if(network IN_LIST libs_to_build)
     print-introspected-doxygen ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/utils/ ""
   )
 endif()
+
+if(core IN_LIST ns3-all-enabled-modules)
+  add_executable(perf-io perf/perf-io.cc)
+  target_link_libraries(perf-io PRIVATE ${libcore})
+  set_runtime_outputdirectory(perf-io ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/utils/perf/ "")
+endif()

utils/perf/perf-io.cc

@@ -83,7 +83,7 @@ PerfFile (FILE *file, uint32_t n, const char *buffer, uint32_t size)
  * \param size The buffer size.
  */
 void
-PerfStream (ostream &stream, uint32_t n, const char *buffer, uint32_t size)
+PerfStream (std::ostream &stream, uint32_t n, const char *buffer, uint32_t size)
 {
 
   for (uint32_t i = 0; i < n; ++i)
@@ -121,7 +121,7 @@ main (int argc, char *argv[])
       //
       for (uint32_t i = 0; i < iter; ++i)
         {
-          ofstream stream;
+          std::ofstream stream;
           if (binmode)
             {
               stream.open ("streamtest", std::ios_base::binary | std::ios_base::out);
@@ -134,11 +134,11 @@ main (int argc, char *argv[])
           uint64_t start = GetRealtimeInNs ();
           PerfStream (stream, n, buffer, 1024);
           uint64_t et = GetRealtimeInNs () - start;
-          result = min (result, et);
+          result = std::min (result, et);
           stream.close ();
           std::cout << "."; std::cout.flush ();
         }
-      cout << std::endl;
+      std::cout << std::endl;
     }
   else
     {

utils/wscript

@@ -32,3 +32,6 @@ def build(bld):
         obj = bld.create_ns3_program('print-introspected-doxygen', ['network'])
         obj.source = 'print-introspected-doxygen.cc'
         obj.use = [mod for mod in env['NS3_ENABLED_MODULES']]
+
+    obj = bld.create_ns3_program('perf-io', ['core'])
+    obj.source = 'perf/perf-io.cc'