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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/tests
//
// = FILENAME
// client.cpp
//
// = AUTHOR
// Andy Gokhale, Brian Mendel, Sumedh Mungee, and Sergio Flores-Gaitan
//
// ============================================================================
#include "client.h"
int
initialize (void)
{
#if defined (VXWORKS)
hostAdd ("mv2604d", "130.38.183.132");
#if defined (VME_DRIVER)
STATUS status = vmeDrv ();
if (status != OK)
printf ("ERROR on call to vmeDrv()\n");
status = vmeDevCreate ("/vme");
if (status != OK)
printf ("ERROR on call to vmeDevCreate()\n");
#endif /* defined (VME_DRIVER) */
#endif /* defined (VXWORKS) */
// Make sure we've got plenty of socket handles. This call will use
// the default maximum.
ACE::set_handle_limit ();
return 0;
}
int
do_priority_inversion_test (Task_State &ts)
{
// Create the clients
Client high_priority_client (&ts);
Client low_priority_client (&ts);
// Create the daemon thread in its own <ACE_Thread_Manager>.
ACE_Thread_Manager thr_mgr;
Util_Thread util_thread (&ts, &thr_mgr);
ACE_Sched_Priority priority =
ACE_Sched_Params::priority_min (ACE_SCHED_FIFO,
ACE_SCOPE_THREAD);
// First activate the Utilization thread. It will wait until all
// threads have finished binding.
util_thread.activate (THR_BOUND,
1,
0,
priority);
// Now activate the high priority client.
// @@ The ifdef here is temporarily placed here until
// I figure out how to map NT's thread priorities
// into pthread's priorities.
#if defined (ACE_THR_PRI_FIFO_DEF)
priority = ACE_THR_PRI_FIFO_DEF;
#else
priority = ACE_DEFAULT_THREAD_PRIORITY;
#endif
if (high_priority_client.activate (THR_BOUND | ACE_SCHED_FIFO,
1,
0,
priority) == -1)
ACE_ERROR ((LM_ERROR,
"%p\n",
"activate failed"));
// @@ Sumedh, can you please document why we need this VxWorks
// #ifdef? Is there a way to make this more general so we don't
// need the #ifdef? In other words, please check with David or
// Brian about this.
#if !defined (VXWORKS)
priority =
ACE_Sched_Params::previous_priority (ACE_SCHED_FIFO,
priority,
ACE_SCOPE_THREAD);
#else
priority = 65;
#endif /* !defined (VXWORKS) */
ACE_DEBUG ((LM_DEBUG,
"Creating %d clients with low priority\n",
ts.thread_count_ - 1));
for (u_int i = 0; i < ts.thread_count_ - 1; i++)
{
// The first thread starts at min + 1, since the minimum
// priority thread is the utilization thread.
// get the next higher priority
priority = ACE_Sched_Params::previous_priority (ACE_SCHED_FIFO,
priority,
ACE_SCOPE_THREAD);
if (low_priority_client.activate (THR_BOUND,
1,
1,
priority) == -1)
ACE_ERROR ((LM_ERROR,
"%p\n",
"activate failed"));
}
// Wait for all the threads to exit.
ACE_Thread_Manager::instance ()->wait ();
#if defined (VXWORKS)
ACE_OS::printf ("Test done.\n"
"High priority client latency : %d usec\n"
"Low priority client latency : %d usec\n",
high_priority_client.get_high_priority_latency (),
low_priority_client.get_low_priority_latency ());
#else /* !defined (VXWORKS) */
ACE_DEBUG ((LM_DEBUG, "Test done.\n"
"High priority client latency : %f msec, jitter: %f msec\n"
"Low priority client latency : %f msec, jitter: %f msec\n",
high_priority_client.get_high_priority_latency (),
high_priority_client.get_high_priority_jitter (),
low_priority_client.get_low_priority_latency (),
low_priority_client.get_low_priority_jitter ()));
#endif /* !defined (VXWORKS) */
util_thread.done_ = 1;
thr_mgr.wait ();
ACE_DEBUG ((LM_DEBUG, "utilization task performed %g computations\n",
util_thread.get_number_of_computations ()));
return 0;
}
int
do_thread_per_rate_test (Task_State &ts)
{
// First activate the high priority client.
Client CB_40Hz_client (&ts);
Client CB_20Hz_client (&ts);
Client CB_10Hz_client (&ts);
Client CB_5Hz_client (&ts);
Client CB_1Hz_client (&ts);
ACE_Sched_Priority priority =
ACE_Sched_Params::priority_max (ACE_SCHED_FIFO,
ACE_SCOPE_THREAD);
// VxWorks priority of 0 causes problems.
priority = 10;
ACE_DEBUG ((LM_DEBUG, "Creating 40 Hz client with priority %d\n", priority));
if (CB_40Hz_client.activate (THR_BOUND, 1, 0, priority++) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "activate failed"));
ACE_DEBUG ((LM_DEBUG, "Creating 20 Hz client with priority %d\n", priority));
if (CB_20Hz_client.activate (THR_BOUND, 1, 0, priority++) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "activate failed"));
ACE_DEBUG ((LM_DEBUG, "Creating 10 Hz client with priority %d\n", priority));
if (CB_10Hz_client.activate (THR_BOUND, 1, 0, priority++) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "activate failed"));
ACE_DEBUG ((LM_DEBUG, "Creating 5 Hz client with priority %d\n", priority));
if (CB_5Hz_client.activate (THR_BOUND, 1, 0, priority++) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "activate failed"));
ACE_DEBUG ((LM_DEBUG, "Creating 1 Hz client with priority %d\n", priority));
if (CB_1Hz_client.activate (THR_BOUND, 1, 0, priority++) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "activate failed"));
// Wait for all the threads to exit.
ACE_Thread_Manager::instance ()->wait ();
ACE_OS::printf ("Test done.\n"
"40Hz client latency : %d usec\n"
"20Hz client latency : %d usec\n"
"10Hz client latency : %d usec\n"
"5Hz client latency : %d usec\n"
"1Hz client latency : %d usec\n",
CB_40Hz_client.get_latency (0),
CB_20Hz_client.get_latency (1),
CB_10Hz_client.get_latency (2),
CB_5Hz_client.get_latency (3),
CB_1Hz_client.get_latency (4));
return 0;
}
// This is the main routine of the client, where we create a high
// priority and a low priority client. we then activate the clients
// with the appropriate priority threads, and wait for them to
// finish. After they aer done, we compute the latency and jitter
// metrics and print them.
int
main (int argc, char *argv [])
{
#if defined (ACE_HAS_THREADS)
#if defined (FORCE_ARGS)
int argc = 7;
char *argv[] = {"main",
"-d",
"3", // Data Type
"-t",
"10", // Thread Count
"-h",
"mv2604d"}; // Host name
#endif /* defined (FORCE_ARGS) */
initialize ();
Task_State ts (argc, argv);
if (ts.thread_per_rate_ == 0)
do_priority_inversion_test (ts);
else
do_thread_per_rate_test (ts);
#else
ACE_DEBUG ((LM_DEBUG, "Test not run. This platform doesn't seem to have threads.\n"));
#endif /* ACE_HAS_THREADS */
return 0;
}
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