wip update help

Author: MarcelKoch

benchmark/spmv/spmv.cpp

@@ -25,7 +25,8 @@ int main(int argc, char* argv[])
     auto schema =
         json::parse(std::ifstream(GKO_ROOT "/benchmark/schema/spmv.json"));
 
-    initialize_argument_parsing(&argc, &argv, header, schema["examples"]);
+    initialize_argument_parsing(&argc, &argv, header, schema["examples"],
+                                formats::format_description);
 
     std::string extra_information =
         "The number of right hand sides is " + std::to_string(FLAGS_nrhs);

benchmark/utils/general.hpp

@@ -119,8 +119,11 @@ std::unique_ptr<std::istream> input_stream;
  * @param header  a header which describes the benchmark
  * @param examples  the format of the benchmark input data
  */
-void initialize_argument_parsing(int* argc, char** argv[], std::string& header,
-                                 const json& examples, bool do_print = true)
+void initialize_argument_parsing(int* argc, char** argv[],
+                                 const std::string& header,
+                                 const json& examples,
+                                 const std::string& extra_help = "",
+                                 bool do_print = true)
 {
     if (do_print) {
         std::ostringstream doc;
@@ -137,7 +140,8 @@ void initialize_argument_parsing(int* argc, char** argv[], std::string& header,
             << "  to a file in the same format. The backup file can be used as "
                "\n"
             << "  input to this test suite, and the benchmarking will \n"
-            << "  continue from the point where the backup file was created.";
+            << "  continue from the point where the backup file was created.\n"
+            << extra_help;
 
         gflags::SetUsageMessage(doc.str());
         std::ostringstream ver;