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// $Id$
#define ACE_BUILD_SVC_DLL
#include "ace/Service_Repository.h"
#include "ace/Synch.h"
#include "ace/Get_Opt.h"
#include "ace/Thread_Manager.h"
#include "Baseline_Test.h"
#if !defined (__ACE_INLINE__)
#include "Baseline_Test.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Synch_Benchmarks, Baseline_Test, "$Id$")
Baseline_Test_Options baseline_options;
// Static Baseline Options holds the test configuration information
// and the test statistics.
Baseline_Test_Base::Baseline_Test_Base (void)
: Benchmark_Base (Benchmark_Base::BASELINE),
yield_method_ (Baseline_Test_Options::USE_SLEEP_ZERO),
iteration_ (DEFAULT_ITERATIONS),
what_(TEST_LOCK)
{
}
int
Baseline_Test_Base::init (int argc, char *argv[])
{
return this->parse_args (argc, argv);
}
int
Baseline_Test_Base::parse_args (int argc, char *argv[])
{
ACE_Get_Opt getopt (argc, argv, "i:ylrw", 0);
int c;
while ((c = getopt ()) != -1)
switch (c)
{
case 'i': // Total iterations
{
int tmp = ACE_OS::atoi (getopt.opt_arg ());
if (tmp <= 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%d is not a valid value for iteration\n",
tmp), -1);
else
this->iteration_ = ACE_static_cast (size_t, tmp);
}
break;
case 'y': // Use thr_yield.
this->yield_method_ = Baseline_Test_Options::USE_THR_YIELD;
break;
case 'l':
this->what_ = TEST_LOCK;
break;
case 'r':
this->what_ = TEST_READLOCK;
break;
case 'w':
this->what_ = TEST_WRITELOCK;
break;
default:
ACE_ERROR ((LM_ERROR, "Invalid argument %c used\n", c));
break;
}
return 0;
}
void
Baseline_Test_Base::yield (void)
{
if (this->yield_method_ == Baseline_Test_Options::USE_SLEEP_ZERO)
ACE_OS::sleep (0);
else
ACE_OS::thr_yield ();
}
Baseline_Test_Options::Baseline_Test_Options (void)
: test_try_lock_ (0),
verbose_ (0),
current_yield_method_ (0),
current_iteration_ (0),
total_iteration_ (DEFAULT_ITERATIONS)
{
}
int
Baseline_Test_Options::parse_args (int argc, char *argv[])
{
ACE_Get_Opt getopt (argc, argv, "tv", 0);
int c;
while ((c = getopt ()) != -1)
switch (c)
{
case 't':
this->test_try_lock_ = 1;
break;
case 'v':
this->verbose_ = 1;
break;
default:
ACE_ERROR ((LM_ERROR, "Invalid arguemnt %c used.\n", c));
break;
}
return 0;
}
int
Baseline_Test_Options::reset_params (size_t iteration,
int yield)
{
this->current_iteration_ = 0;
this->timer.reset ();
this->current_yield_method_ = yield;
this->total_iteration_ = iteration;
return 0;
}
void
Baseline_Test_Options::print_result (void)
{
ACE_Time_Value tv;
ACE_hrtime_t nsec;
this->timer.elapsed_time_incr (tv);
this->timer.elapsed_time_incr (nsec);
ACE_DEBUG ((LM_DEBUG,
"Total Time: %d sec %d usec for a "
"total of %d iterations\n"
"Average time: %d nanoseconds.\n",
tv.sec (), tv.usec (),
this->current_iteration_,
(int) (nsec / this->current_iteration_)));
}
Baseline_Test::Baseline_Test (void)
: current_test_ (0),
get_lock_ (2),
let_go_lock_ (2)
{
}
// Initialize and run the benchmarks tests.
int
Baseline_Test::init (int argc, char **argv)
{
return baseline_options.parse_args (argc, argv);
}
int
Baseline_Test::pre_run_test (Benchmark_Base *bb)
{
this->current_test_ = (Baseline_Test_Base *) bb;
baseline_options.reset_params (this->current_test_->iteration (),
this->current_test_->yield_method ());
if (baseline_options.test_try_lock ())
{
ACE_Thread_Manager::instance ()->spawn
(ACE_THR_FUNC (Baseline_Test::hold_lock),
(void *) this);
this->get_lock_.wait ();
// Wait until the lock is held by the spawning thread.
}
return 0;
}
int
Baseline_Test::run_test (void)
{
if (baseline_options.test_try_lock ())
return this->current_test_->test_try_lock ();
else
return this->current_test_->test_acquire_release ();
}
int
Baseline_Test::post_run_test (void)
{
if (baseline_options.test_try_lock ())
{
// Release the lock we hold.
this->let_go_lock_.wait ();
ACE_Thread_Manager::instance ()->wait ();
}
baseline_options.print_result ();
return 0;
}
int
Baseline_Test::valid_test_object (Benchmark_Base *bb)
{
return (bb->benchmark_type () == Benchmark_Base::BASELINE);
}
void *
Baseline_Test::hold_lock (void *arg)
{
Baseline_Test *this_test = (Baseline_Test *) arg;
this_test->current_test_->acquire ();
this_test->get_lock_.wait ();
this_test->let_go_lock_.wait ();
return 0;
}
ACE_SVC_FACTORY_DEFINE (Baseline_Test)
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