--
-- TMTEST / BODY
--
-- DESCRIPTION:
--
-- This package is the implementation of Test 1 of the RTEMS
-- Timing Test Suite.
--
-- DEPENDENCIES:
--
--
--
-- COPYRIGHT (c) 1989-2011.
-- On-Line Applications Research Corporation (OAR).
--
-- The license and distribution terms for this file may in
-- the file LICENSE in this distribution or at
-- http://www.rtems.com/license/LICENSE.
--
with INTERFACES; use INTERFACES;
with RTEMS_CALLING_OVERHEAD;
with TEST_SUPPORT;
with TEXT_IO;
with TIME_TEST_SUPPORT;
with TIMER_DRIVER;
with RTEMS.SEMAPHORE;
package body TMTEST is
--
-- INIT
--
procedure INIT (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
STATUS : RTEMS.STATUS_CODES;
begin
TEXT_IO.NEW_LINE( 2 );
TEXT_IO.PUT_LINE( "*** TIME TEST 1 ***" );
TMTEST.TASK_NAME( 1 ) := RTEMS.BUILD_NAME( 'T', 'A', '1', ' ' );
TMTEST.TASK_NAME( 2 ) := RTEMS.BUILD_NAME( 'T', 'A', '2', ' ' );
TMTEST.TASK_NAME( 3 ) := RTEMS.BUILD_NAME( 'T', 'A', '3', ' ' );
RTEMS.TASKS.CREATE(
TMTEST.TASK_NAME( 1 ),
1,
2048,
RTEMS.DEFAULT_MODES,
RTEMS.DEFAULT_ATTRIBUTES,
TMTEST.TASK_ID( 1 ),
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TA1" );
RTEMS.TASKS.START(
TMTEST.TASK_ID( 1 ),
TMTEST.TASK_1'ACCESS,
0,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TA1" );
RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
end INIT;
--
-- TASK_1
--
procedure TASK_1 (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
SEMAPHORE_OBTAIN_TIME : RTEMS.UNSIGNED32;
SEMAPHORE_RELEASE_TIME : RTEMS.UNSIGNED32;
SEMAPHORE_OBTAIN_NO_WAIT_TIME : RTEMS.UNSIGNED32;
SEMAPHORE_OBTAIN_LOOP_TIME : RTEMS.UNSIGNED32;
SEMAPHORE_RELEASE_LOOP_TIME : RTEMS.UNSIGNED32;
NAME : RTEMS.NAME;
SMID : RTEMS.ID;
STATUS : RTEMS.STATUS_CODES;
begin
NAME := RTEMS.BUILD_NAME( 'S', 'M', '1', ' ' );
SEMAPHORE_OBTAIN_TIME := 0;
SEMAPHORE_RELEASE_TIME := 0;
SEMAPHORE_OBTAIN_NO_WAIT_TIME := 0;
SEMAPHORE_OBTAIN_LOOP_TIME := 0;
SEMAPHORE_RELEASE_LOOP_TIME := 0;
-- Time one invocation of SEMAPHORE_CREATE
TIMER_DRIVER.INITIALIZE;
RTEMS.SEMAPHORE.CREATE(
NAME,
TIME_TEST_SUPPORT.OPERATION_COUNT,
RTEMS.DEFAULT_ATTRIBUTES,
RTEMS.TASKS.NO_PRIORITY,
SMID,
STATUS
);
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"SEMAPHORE_CREATE",
TMTEST.END_TIME,
1,
0,
RTEMS_CALLING_OVERHEAD.SEMAPHORE_CREATE
);
-- Time one invocation of SEMAPHORE_DELETE
TIMER_DRIVER.INITIALIZE;
RTEMS.SEMAPHORE.DELETE( SMID, STATUS );
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"SEMAPHORE_DELETE",
TMTEST.END_TIME,
1,
0,
RTEMS_CALLING_OVERHEAD.SEMAPHORE_DELETE
);
-- Create semaphore for repeated operations.
RTEMS.SEMAPHORE.CREATE(
NAME,
TIME_TEST_SUPPORT.OPERATION_COUNT,
RTEMS.DEFAULT_ATTRIBUTES,
RTEMS.TASKS.NO_PRIORITY,
SMID,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "SEMAPHORE_CREATE" );
-- Perform repeated SEMAPHORE OBTAIN's and RELEASE's
for ITERATIONS in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
TIMER_DRIVER.INITIALIZE;
for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
TIMER_DRIVER.EMPTY_FUNCTION;
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
SEMAPHORE_OBTAIN_LOOP_TIME := SEMAPHORE_OBTAIN_LOOP_TIME +
TMTEST.END_TIME;
SEMAPHORE_RELEASE_LOOP_TIME := SEMAPHORE_RELEASE_LOOP_TIME +
TMTEST.END_TIME;
-- Semaphore_obtain (available loop)
TIMER_DRIVER.INITIALIZE;
for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.SEMAPHORE.OBTAIN(
SMID,
RTEMS.DEFAULT_OPTIONS,
RTEMS.NO_TIMEOUT,
STATUS
);
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
SEMAPHORE_OBTAIN_TIME := SEMAPHORE_OBTAIN_TIME + TMTEST.END_TIME;
-- Semaphore_release
TIMER_DRIVER.INITIALIZE;
for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.SEMAPHORE.RELEASE( SMID, STATUS );
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
SEMAPHORE_RELEASE_TIME := SEMAPHORE_RELEASE_TIME +
TMTEST.END_TIME;
-- Semaphore_p (NO_WAIT)
TIMER_DRIVER.INITIALIZE;
for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.SEMAPHORE.OBTAIN(
SMID,
RTEMS.NO_WAIT,
RTEMS.NO_TIMEOUT,
STATUS
);
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
SEMAPHORE_OBTAIN_NO_WAIT_TIME :=
SEMAPHORE_OBTAIN_NO_WAIT_TIME + TMTEST.END_TIME;
-- Semaphore_v
TIMER_DRIVER.INITIALIZE;
for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.SEMAPHORE.RELEASE( SMID, STATUS );
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
SEMAPHORE_RELEASE_TIME := SEMAPHORE_RELEASE_TIME +
TMTEST.END_TIME;
end loop;
TIME_TEST_SUPPORT.PUT_TIME(
"SEMAPHORE_OBTAIN (semaphore available)",
SEMAPHORE_OBTAIN_TIME,
TIME_TEST_SUPPORT.OPERATION_COUNT *
TIME_TEST_SUPPORT.OPERATION_COUNT,
SEMAPHORE_OBTAIN_LOOP_TIME,
RTEMS_CALLING_OVERHEAD.SEMAPHORE_OBTAIN
);
TIME_TEST_SUPPORT.PUT_TIME(
"SEMAPHORE_OBTAIN (NO_WAIT)",
SEMAPHORE_OBTAIN_NO_WAIT_TIME,
TIME_TEST_SUPPORT.OPERATION_COUNT *
TIME_TEST_SUPPORT.OPERATION_COUNT,
SEMAPHORE_OBTAIN_LOOP_TIME,
RTEMS_CALLING_OVERHEAD.SEMAPHORE_OBTAIN
);
TIME_TEST_SUPPORT.PUT_TIME(
"SEMAPHORE_RELEASE (no task waiting)",
SEMAPHORE_RELEASE_TIME,
TIME_TEST_SUPPORT.OPERATION_COUNT *
TIME_TEST_SUPPORT.OPERATION_COUNT * 2,
SEMAPHORE_RELEASE_LOOP_TIME * 2,
RTEMS_CALLING_OVERHEAD.SEMAPHORE_RELEASE
);
TEXT_IO.PUT_LINE( "*** END OF TIME TEST 1 ***" );
RTEMS.SHUTDOWN_EXECUTIVE( 0 );
end TASK_1;
end TMTEST;