testsuite_performance.h (time_counter::start): Clear.

2005-01-18  Benjamin Kosnik  <bkoz@redhat.com>

	* testsuite/testsuite_performance.h (time_counter::start):
	Clear. Tweaks.
	(clear_counters): Inline.
	(start_counters): Inline.
	(stop_counters): Inline.
	* testsuite/performance/20_util/allocator/map_thread.cc: Return.
	* testsuite/performance/20_util/allocator/insert.cc: Remove bogus
	return, add return.
	* testsuite/performance/20_util/allocator/map_thread.cc: Same.

From-SVN: r93834

libstdc++-v3/ChangeLog

+2005-01-18  Benjamin Kosnik  <bkoz@redhat.com>
+
+	* testsuite/testsuite_performance.h (time_counter::start):
+	Clear. Tweaks.
+	(clear_counters): Inline.
+	(start_counters): Inline.
+	(stop_counters): Inline.
+	* testsuite/performance/20_util/allocator/map_thread.cc: Return.
+	* testsuite/performance/20_util/allocator/insert.cc: Remove bogus
+	return, add return.
+	* testsuite/performance/20_util/allocator/map_thread.cc: Same.
+	
 2005-01-17  Paolo Carlini  <pcarlini@suse.de>
 
 	PR libstdc++/19433

libstdc++-v3/testsuite/performance/20_util/allocator/insert.cc

-// Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -92,6 +92,7 @@ template<typename Container>
   do_test(void* p = NULL)
   {
     do_loop<Container>();
+    return p;
   }
 
 template<typename Container>
@@ -103,10 +104,9 @@ template<typename Container>
 
     time_counter time;
     resource_counter resource;
-    clear_counters(time, resource);
+    {
       start_counters(time, resource);
-
-    if (! run_threaded)
+      if (!run_threaded)
 	{
 	  do_loop<Container>();
 	}
@@ -123,11 +123,8 @@ template<typename Container>
 	  pthread_join(t2, NULL);
 	  pthread_join(t3, NULL);
 	  pthread_join(t4, NULL);
-#else
-	return;
 #endif
 	}
-
       stop_counters(time, resource);
 
       std::ostringstream comment;
@@ -140,6 +137,7 @@ template<typename Container>
       report_header(__FILE__, comment.str());
       report_performance(__FILE__, string(), time, resource);
     }
+  }
 
 // http://gcc.gnu.org/ml/libstdc++/2001-05/msg00105.html
 // http://gcc.gnu.org/ml/libstdc++/2003-05/msg00231.html

libstdc++-v3/testsuite/performance/20_util/allocator/insert_insert.cc

@@ -96,12 +96,10 @@ template<typename Container>
 
     time_counter time;
     resource_counter resource;
-    clear_counters(time, resource);
+    {
       start_counters(time, resource);
-
       do_loop<Container>();
       do_loop<Container>();
-
       stop_counters(time, resource);
       
       std::ostringstream comment;
@@ -111,6 +109,7 @@ template<typename Container>
       report_header(__FILE__, comment.str());
       report_performance(__FILE__, string(), time, resource);
     }
+  }
 
 // http://gcc.gnu.org/ml/libstdc++/2001-05/msg00105.html
 // http://gcc.gnu.org/ml/libstdc++/2003-05/msg00231.html

libstdc++-v3/testsuite/performance/20_util/allocator/map_thread.cc

-// Copyright (C) 2004 Free Software Foundation, Inc.
+// Copyright (C) 2004, 2005 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -64,7 +64,6 @@ template<typename Container>
 	for (int c = 0; c < 10; c++)
 	  {
 	    Container m;
-
 	    for (unsigned i = 0; i < iterations; ++i) 
 	      m[i] = i;
 	  }
@@ -73,6 +72,7 @@ template<typename Container>
       {
 	// No point allocating all available memory, repeatedly.	
       }
+    return p;
   }
 
 template<typename Container>
@@ -85,7 +85,6 @@ template<typename Container>
     time_counter time;
     resource_counter resource;
 
-    clear_counters(time, resource);
     start_counters(time, resource);
     
     pthread_t  t1, t2, t3, t4;

libstdc++-v3/testsuite/testsuite_performance.h

 // -*- C++ -*-
 // Testing performance utilities for the C++ library testsuite.
 //
-// Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -77,31 +77,44 @@ namespace __gnu_test
 {
   class time_counter
   {
+  private:
     clock_t	elapsed_begin;
     clock_t	elapsed_end;
     tms		tms_begin;
     tms		tms_end;
 
   public:
-    time_counter() 
-    { this->clear(); }
+    explicit
+    time_counter() : elapsed_begin(), elapsed_end(), tms_begin(), tms_end()
+    { }
 
     void 
-    clear()
+    clear() throw()
     {
-      elapsed_begin = 0;
-      elapsed_end = 0;
-      memset(&tms_begin, 0, sizeof(tms));
-      memset(&tms_end, 0, sizeof(tms));
+      elapsed_begin = clock_t();
+      elapsed_end = clock_t();
+      tms_begin = tms();
+      tms_end = tms();
     }
 
     void
     start()
-    { elapsed_begin = times(&tms_begin); }
+    { 
+      this->clear();
+      elapsed_begin = times(&tms_begin); 
+      const clock_t err = clock_t(-1);
+      if (elapsed_begin == err)
+	std::__throw_runtime_error("time_counter::start");
+    }
     
     void
     stop()
-    { elapsed_end = times(&tms_end); }
+    { 
+      elapsed_end = times(&tms_end); 
+      const clock_t err = clock_t(-1);
+      if (elapsed_end == err)
+	std::__throw_runtime_error("time_counter::stop");
+    }
 
     size_t
     real_time() const
@@ -129,7 +142,7 @@ namespace __gnu_test
     { this->clear(); }
     
     void 
-    clear()
+    clear() throw()
     { 
       memset(&rusage_begin, 0, sizeof(rusage_begin)); 
       memset(&rusage_end, 0, sizeof(rusage_end)); 
@@ -168,21 +181,21 @@ namespace __gnu_test
     { return rusage_end.ru_nswap - rusage_begin.ru_nswap; }
   };
 
-  void
+  inline void
   start_counters(time_counter& t, resource_counter& r)
   {
     t.start();
     r.start();
   }
 
-  void
+  inline void
   stop_counters(time_counter& t, resource_counter& r)
   {
     t.stop();
     r.stop();
   }
 
-  void
+  inline void
   clear_counters(time_counter& t, resource_counter& r)
   {
     t.clear();
@@ -202,8 +215,8 @@ namespace __gnu_test
     std::ofstream out(name, std::ios_base::app);
 
 #ifdef __GTHREADS
-    if (__gthread_active_p ())
-      testname.append ("-thread");
+    if (__gthread_active_p())
+      testname.append("-thread");
 #endif
 
     out.setf(std::ios_base::left);
@@ -234,7 +247,7 @@ namespace __gnu_test
 
 #ifdef __GTHREADS
     if (__gthread_active_p ())
-      testname.append ("-thread");
+      testname.append("-thread");
 #endif
 
     out.setf(std::ios_base::left);