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|
--
-- TMTEST / BODY
--
-- DESCRIPTION:
--
-- This package is the implementation of Timer Check Test 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 TIMER_DRIVER;
with INTERFACES; use INTERFACES;
with TEST_SUPPORT;
with TEXT_IO;
with TIME_TEST_SUPPORT;
with UNSIGNED32_IO;
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 CHECK ***" );
TIMER_DRIVER.SET_FIND_AVERAGE_OVERHEAD( TRUE );
TMTEST.TASK_NAME( 1 ) := RTEMS.BUILD_NAME( 'T', 'A', '1', ' ' );
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);
begin
TMTEST.CHECK_READ_TIMER;
TEST_SUPPORT.PAUSE;
TIMER_DRIVER.INITIALIZE;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"NULL timer stopped at",
TMTEST.END_TIME,
1,
0,
0
);
TIMER_DRIVER.INITIALIZE;
for INDEX in 0 .. 1000
loop
TIMER_DRIVER.EMPTY_FUNCTION;
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"LOOP (1000) timer stopped at",
TMTEST.END_TIME,
1,
0,
0
);
TIMER_DRIVER.INITIALIZE;
for INDEX in 0 .. 10000
loop
TIMER_DRIVER.EMPTY_FUNCTION;
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"LOOP (10000) timer stopped at",
TMTEST.END_TIME,
1,
0,
0
);
TIMER_DRIVER.INITIALIZE;
for INDEX in 0 .. 50000
loop
TIMER_DRIVER.EMPTY_FUNCTION;
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"LOOP (50000) timer stopped at",
TMTEST.END_TIME,
1,
0,
0
);
TIMER_DRIVER.INITIALIZE;
for INDEX in 0 .. 100000
loop
TIMER_DRIVER.EMPTY_FUNCTION;
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"LOOP (100000) timer stopped at",
TMTEST.END_TIME,
1,
0,
0
);
TEXT_IO.PUT_LINE( "*** END OF TIME TEST CHECK ***" );
RTEMS.SHUTDOWN_EXECUTIVE( 0 );
end TASK_1;
--
-- CHECK_READ_TIMER
--
procedure CHECK_READ_TIMER
is
TIME : RTEMS.UNSIGNED32;
begin
for INDEX in TMTEST.DISTRIBUTION'FIRST .. TMTEST.DISTRIBUTION'LAST
loop
TMTEST.DISTRIBUTION( INDEX ) := 0;
end loop;
for INDEX in 1 .. TMTEST.OPERATION_COUNT
loop
loop
TIMER_DRIVER.INITIALIZE;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
exit when
TMTEST.END_TIME <= RTEMS.UNSIGNED32( TMTEST.DISTRIBUTION'LAST );
TEXT_IO.PUT( "TOO LONG (" );
UNSIGNED32_IO.PUT( TMTEST.END_TIME );
TEXT_IO.PUT_LINE( ")!!!" );
end loop;
TMTEST.DISTRIBUTION( TMTEST.END_TIME ) :=
TMTEST.DISTRIBUTION( TMTEST.END_TIME ) + 1;
end loop;
TEXT_IO.PUT_LINE(
"Units may not be in microseconds for this test!!!"
);
TIME := 0;
for INDEX in TMTEST.DISTRIBUTION'FIRST .. TMTEST.DISTRIBUTION'LAST
loop
if TMTEST.DISTRIBUTION( INDEX ) /= 0 then
TIME := TIME + (TMTEST.DISTRIBUTION( INDEX ) * INDEX);
UNSIGNED32_IO.PUT( INDEX );
TEXT_IO.PUT( " " );
UNSIGNED32_IO.PUT( TMTEST.DISTRIBUTION( INDEX ) );
TEXT_IO.NEW_LINE;
end if;
end loop;
TEXT_IO.PUT( "Total time = " );
UNSIGNED32_IO.PUT( TIME );
TEXT_IO.NEW_LINE;
end CHECK_READ_TIMER;
end TMTEST;
|
