ecos: packages/kernel/current/tests/stress

annotate packages/kernel/current/tests/stress_threads.c @ 10:d3fbcdfa1b2f ecos-sw-1999-05-29

Merge from eCos master repository on 1999-05-29-00:13:11-BST

author	jlarmour
date	Fri, 28 May 1999 16:43:09 +0000
parents	ece80412419a
children	53104bbd5f99

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	2 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	3 // stress_threads.cxx
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	5 // Basic thread stress test
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	6 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	7 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	8 //####COPYRIGHTBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	9 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	10 // -------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	11 // The contents of this file are subject to the Cygnus eCos Public License
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	12 // Version 1.0 (the "License"); you may not use this file except in
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	13 // compliance with the License. You may obtain a copy of the License at
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	14 // http://sourceware.cygnus.com/ecos
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	15 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	16 // Software distributed under the License is distributed on an "AS IS"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	18 // License for the specific language governing rights and limitations under
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	19 // the License.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	20 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	21 // The Original Code is eCos - Embedded Cygnus Operating System, released
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	22 // September 30, 1998.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	23 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	24 // The Initial Developer of the Original Code is Cygnus. Portions created
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	26 // -------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	27 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	28 //####COPYRIGHTEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	29 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	30 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	31 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	32 // Author(s): rosalia
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	33 // Contributors: rosalia, jskov
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	34 // Date: 1999-04-13
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	35 // Description: Very simple thread stress test, with some memory
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	36 // allocation and alarm handling.
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	37 //
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	38 // Notes:
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	39 // If client_makes_request is big, it means that there are made many more
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	40 // client requests than can be serviced. Consequently, clients are wasting
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	41 // CPU time and should be sleeping more.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	42 //
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	43 // The list of handler invocations show how many threads are running
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	44 // at the same time. The more powerful the CPU, the more the numbers
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	45 // should spread out.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 #include <pkgconf/system.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	49 #include <cyg/infra/testcase.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 #include <cyg/hal/hal_arch.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	52
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	53 #if defined(CYGPKG_KERNEL) && defined(CYGPKG_IO) && defined(CYGPKG_LIBC)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	54
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55 #include <pkgconf/kernel.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	56 #include <pkgconf/libc.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	58 #if defined(CYGFUN_KERNEL_API_C)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	59
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	60 #include <cyg/kernel/kapi.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62 #ifdef CYGPKG_LIBC_STDIO
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64 #include <stdio.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65 #include <stdlib.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	66
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	67 #if defined(CYGPKG_LIBM)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	68
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	69 #include <math.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	70 #include <assert.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	71
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	72 #include <cyg/kernel/test/stackmon.h>
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	73
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	74 #if defined(CYGFUN_KERNEL_THREADS_TIMER)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	75 #if defined(CYGPKG_LIBC_MALLOC)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	76
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	77 /* if TIME_LIMIT is defined, it represents the number of seconds this
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	78 test should last; if it is undefined the test will go forever */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	79 #define DEATH_TIME_LIMIT 20
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	80 /* #undef DEATH_TIME_LIMIT */
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	81
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	82 #define STACK_SIZE (CYGNUM_HAL_STACK_SIZE_TYPICAL)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	83 #define STACK_SIZE2 (8*1024 + CYGNUM_HAL_STACK_SIZE_TYPICAL)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	85 /* Allocate priorities in this order. This ensures that handlers
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	86 (which are the ones using the CPU) get enough CPU time to actually
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	87 complete their tasks. */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	88 #define N_MAIN 1
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	89 #define MAX_HANDLERS 19
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	90 #define N_LISTENERS 4
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	91 #define N_CLIENTS 4
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	92
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	93 #if (CYGNUM_KERNEL_SCHED_PRIORITIES >= (N_MAIN+MAX_HANDLERS+N_LISTENERS+N_CLIENTS))
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	94
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	95 /* if we use the bitmap scheduler we must make sure we don't use the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	96 same priority more than once, so we must store those already in use */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	97 static volatile char priority_in_use[N_MAIN+MAX_HANDLERS+N_LISTENERS+N_CLIENTS];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	98
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	99 /* now declare (and allocate space for) some kernel objects, like the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	100 threads we will use */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	101 cyg_thread main_thread_s;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	102 cyg_thread handler_thread_s[MAX_HANDLERS];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	103 cyg_thread listener_thread_s[N_LISTENERS];
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	104 cyg_thread client_thread_s[N_CLIENTS];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	105
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	106 /* space for stacks for all threads */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	107 char main_stack[STACK_SIZE];
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	108 char handler_stack[MAX_HANDLERS][STACK_SIZE2];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	109 char listener_stack[N_LISTENERS][STACK_SIZE];
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	110 char client_stack[N_CLIENTS][STACK_SIZE];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	111
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	112 /* now the handles for the threads */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	113 cyg_handle_t mainH;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	114 cyg_handle_t handlerH[MAX_HANDLERS];
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	115 cyg_handle_t listenerH[N_LISTENERS];
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	116 cyg_handle_t clientH[N_CLIENTS];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	117
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	118 /* and now variables for the procedure which is the thread */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	119 cyg_thread_entry_t main_program, client_program, listener_program,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	120 handler_program;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	121
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	122 /* a few mutexes used in the code */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	123 cyg_mutex_t client_request_lock, handler_slot_lock, statistics_print_lock,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	124 free_handler_lock;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	125
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	126 /* global variables with which the handler IDs and thread priorities
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	127 to free are communicated from handlers to main_program. Access to
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	128 these are protected by free_handler_lock. An id of -1 means the
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	129 that the variables are empty. */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	130 volatile int free_handler_pri = 0;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	131 volatile int free_handler_id = -1;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	132
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	133 /* a global variable with which the client and server coordinate */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	134 int client_makes_request = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	135
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	136 /* indicates that it's time to print out a report */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	137 int time_to_report = 0;
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	138 /* print status after a delay of this many secs. */
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	139 int time_report_delay;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	140
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	141 /* now application-specific variables */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	142 /* an array that stores whether the handler threads are in use */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	143 int handler_thread_in_use[MAX_HANDLERS];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	144
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	145 /*** statistics-gathering variables ***/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	146 struct s_statistics {
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	147 /* store the number of times each handler has been invoked */
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	148 unsigned long handler_invocation_histogram[MAX_HANDLERS];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	149
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	150 /* store how many times malloc has been attempted and how many times
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	151 it has failed */
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	152 unsigned long malloc_tries, malloc_failures;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	153
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	154 /* how many threads have been created */
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	155 unsigned long thread_creations, thread_exits;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	156 };
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	157
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	158 struct s_statistics statistics;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	159
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	160 /* some function prototypes; those with the sc_ prefix are
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	161 "statistics-collecting" versions of the cyg_ primitives */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	162 void sc_thread_create(
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	163 cyg_addrword_t sched_info, /* scheduling info (eg pri) */
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	164 cyg_thread_entry_t entry, / entry point function */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	165 cyg_addrword_t entry_data, /* entry data */
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	166 char name, / optional thread name */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	167 void stack_base, / stack base, NULL = alloc */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	168 cyg_ucount32 stack_size, /* stack size, 0 = default */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	169 cyg_handle_t handle, / returned thread handle */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	170 cyg_thread thread / put thread here */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	171 );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	172
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	173 int get_handler_slot(cyg_handle_t current_threadH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	174 void perform_stressful_tasks(void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175 void permute_array(char a[], int size, int seed);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	176 void setup_death_alarm(cyg_addrword_t data, cyg_handle_t *deathHp,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	177 cyg_alarm death_alarm_p, int killed_p);
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	178 void print_statistics(int print_full);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	179
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	180 /* we need to declare the alarm handling function (which is defined
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	181 below), so that we can pass it to cyg_alarm_initialize() */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	182 cyg_alarm_t report_alarm_func, death_alarm_func;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	183
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	184 /* handle and alarm for the report alarm */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185 cyg_handle_t report_alarmH, counterH, system_clockH;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	186 cyg_alarm report_alarm;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188 /* we install our own startup routine which sets up threads */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189 void cyg_user_start(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	190 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	191 int i;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	192
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	193 CYG_TEST_INIT();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	194 CYG_TEST_INFO("# Entering stress's cyg_user_start() function");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	195
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	196 cyg_mutex_init(&client_request_lock);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	197 cyg_mutex_init(&statistics_print_lock);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	198 cyg_mutex_init(&free_handler_lock);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	199
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	200 /* initialize statistics */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	201 memset(&statistics, 0, sizeof(statistics));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	202
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	203 /* clear priority table */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	204 for (i = 0; i < sizeof(priority_in_use); i++)
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	205 priority_in_use[i] = 0;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	206
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	207 /* initialize main thread */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	208 {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	209 char thread_name[] = "main";
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	210
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	211 sc_thread_create(0, main_program, (cyg_addrword_t) 0,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	212 thread_name, (void *) main_stack, STACK_SIZE,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	213 &mainH, &main_thread_s);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	214 priority_in_use[0]++;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	215 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	216
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	217 /* initialize all handler threads to not be in use */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	218 for (i = 0; i < MAX_HANDLERS; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	219 handler_thread_in_use[i] = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	220 }
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	221 for (i = 0; i < N_LISTENERS; ++i) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	222 int prio;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	223 char thread_name[20];
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	224 sprintf(thread_name, "listener-%02d", i);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	225 prio = N_MAIN + MAX_HANDLERS + i;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	226 sc_thread_create(prio, listener_program, (cyg_addrword_t) i,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	227 thread_name, (void *) listener_stack[i], STACK_SIZE,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	228 &listenerH[i], &listener_thread_s[i]);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	229 CYG_ASSERT(0 == priority_in_use[prio], "Priority already in use!");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	230 priority_in_use[prio]++;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	231 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	232 for (i = 0; i < N_CLIENTS; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	233 int prio;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	234 char thread_name[20];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235 sprintf(thread_name, "client-%02d", i);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	236 prio = N_MAIN + MAX_HANDLERS + N_LISTENERS + i;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	237 sc_thread_create(prio, client_program, (cyg_addrword_t) i,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	238 thread_name, (void *) client_stack[i], STACK_SIZE,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	239 &(clientH[i]), &client_thread_s[i]);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	240 CYG_ASSERT(0 == priority_in_use[prio], "Priority already in use!");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	241 priority_in_use[prio]++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	242 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	243
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	244 cyg_thread_resume(mainH);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	245 for (i = 0; i < N_CLIENTS; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	246 cyg_thread_resume(clientH[i]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	247 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	248 for (i = 0; i < N_LISTENERS; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	249 cyg_thread_resume(listenerH[i]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	250 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	251
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	252 /* set up the alarm which gives periodic wakeups to say "time to
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	253 print a report */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	254 system_clockH = cyg_real_time_clock();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	255 cyg_clock_to_counter(system_clockH, &counterH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	256
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	257 cyg_alarm_create(counterH, report_alarm_func,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	258 (cyg_addrword_t) 4000,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	259 &report_alarmH, &report_alarm);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	260 if (cyg_test_is_simulator) {
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	261 time_report_delay = 2;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	262 } else {
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	263 time_report_delay = 30;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	264 }
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	265
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	266 cyg_alarm_initialize(report_alarmH, cyg_current_time()+200,
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	267 time_report_delay*100);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	268 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	269
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	270 /* main_program() -- frees resources and prints status. */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	271 void main_program(cyg_addrword_t data)
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	272 {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	273 #ifdef DEATH_TIME_LIMIT
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	274 cyg_handle_t deathH;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	275 cyg_alarm death_alarm;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	276 int is_dead = 0;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	277
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	278 setup_death_alarm(0, &deathH, &death_alarm, &is_dead);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	279 #endif /* DEATH_TIME_LIMIT */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	280
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	281 printf("# Starting main\n");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	282
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	283 for (;;) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	284 int handler_id = -1;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	285 int handler_pri = 0;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	286
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	287 cyg_mutex_lock(&free_handler_lock); {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	288 // If any handler has left its ID, copy the ID and
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	289 // priority values to local variables, and free up the
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	290 // global communication variables again.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	291 if (-1 != free_handler_id) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	292 handler_id = free_handler_id;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	293 handler_pri = free_handler_pri;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	294 free_handler_id = -1;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	295 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	296 } cyg_mutex_unlock(&free_handler_lock);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	297
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	298 if (-1 != handler_id) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	299 // Free the handler resources. This is done outside of the
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	300 // free_handler_lock to avoid deadlocks.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	301 cyg_mutex_lock(&handler_slot_lock); {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	302 CYG_ASSERT(1 == priority_in_use[handler_pri],
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	303 "Priority not in use!");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	304 CYG_ASSERT(1 == handler_thread_in_use[handler_id],
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	305 "Handler not in use!");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	306 handler_thread_in_use[handler_id]--;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	307 priority_in_use[handler_pri]--;
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	308
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	309 // Finally delete the handler thread. This must be done in a
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	310 // loop, waiting for the call to return true. If it returns
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	311 // false, go to sleep for a bit, so the killed thread gets a
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	312 // chance to run and complete its business.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	313 while (!cyg_thread_delete(handlerH[handler_id])) {
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	314 cyg_thread_delay(2);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	315 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	316 } cyg_mutex_unlock(&handler_slot_lock);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	317 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	318
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	319 // Print status if time.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	320 if (time_to_report) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	321 time_to_report = 0;
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	322 print_statistics(0);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	323 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	324
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	325 #ifdef DEATH_TIME_LIMIT
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	326 // Stop test if time.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	327 if (is_dead) {
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	328 print_statistics(1);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	329 CYG_TEST_PASS_FINISH("Kernel thread stress test OK");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	330 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	331 #endif /* DEATH_TIME_LIMIT */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	332
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	333 cyg_thread_delay(3);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	334 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	335 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	336
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	337 /* client_program() -- an obnoxious client which makes a lot of requests */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	338 void client_program(cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	339 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	340 int delay;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	341
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	342 printf("# Starting client-%d\n", (int) data);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	343
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	344 system_clockH = cyg_real_time_clock();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	345 cyg_clock_to_counter(system_clockH, &counterH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	346
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	347 for (;;) {
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	348 delay = (rand() % 20);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	349
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	350 /* now send a request to the server */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	351 cyg_mutex_lock(&client_request_lock); {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	352 ++client_makes_request;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	353 /* printf("client_makes_request %d\n", client_makes_request); */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	354 } cyg_mutex_unlock(&client_request_lock);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	355
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	356 cyg_thread_delay(10+delay);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	357 /* cyg_thread_delay(0); */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	358 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	359 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	360
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	361 /* listener_program() -- listens for a request and spawns a handler to
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	362 take care of the request */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	363 void listener_program(cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	364 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	365 /* int message = (int) data; */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	366 int handler_slot;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	367
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	368 printf("# Beginning execution; thread data is %d\n", (int) data);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	369
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	370 for (;;) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	371 int make_request = 0;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	372 cyg_mutex_lock(&client_request_lock); {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	373 if (client_makes_request > 0) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	374 --client_makes_request;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	375 make_request = 1;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	376 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	377 } cyg_mutex_unlock(&client_request_lock);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	378
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	379 if (make_request) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	380 int prio;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	381 /* printf("just got a request from a client (count = %d)\n", */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	382 /* client_makes_request); */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	383
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	384 handler_slot = get_handler_slot(listenerH[(int) data]);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	385 prio = N_MAIN+handler_slot;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	386
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	387 CYG_ASSERT(0 == priority_in_use[prio], "Priority already in use!");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	388 priority_in_use[prio]++;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	389 sc_thread_create(prio, handler_program,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	390 (cyg_addrword_t) handler_slot,
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	391 "handler", (void *) handler_stack[handler_slot],
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	392 STACK_SIZE2, &handlerH[handler_slot],
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	393 &handler_thread_s[handler_slot]);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	394 cyg_thread_resume(handlerH[handler_slot]);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	395 ++statistics.handler_invocation_histogram[handler_slot];
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	396 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	397
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	398 cyg_thread_delay(2 + (rand() % 10));
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	399 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	400 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	401
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	402 /* handler_program() -- is spawned to handle each incoming request */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	403 void handler_program(cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	404 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	405 /* here is where we perform specific stressful tasks */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	406 perform_stressful_tasks();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	407
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	408 cyg_thread_delay(4 + (int) (0.5*log(1.0 + fabs((rand() % 1000000)))));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	409 /* cyg_thread_delay(0); */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	410
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	411 ++statistics.thread_exits;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	412 {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	413 // Loop until the handler id and priority can be communicated to
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	414 // the main_program.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	415 int freed = 0;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	416 do {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	417 cyg_mutex_lock(&free_handler_lock); {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	418 if (-1 == free_handler_id) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	419 free_handler_id = data;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	420 free_handler_pri = N_MAIN+(int) data;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	421 freed = 1;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	422 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	423 } cyg_mutex_unlock(&free_handler_lock);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	424 if (!freed)
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	425 cyg_thread_delay(2);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	426 } while (!freed);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	427 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	428
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	429 // Then exit.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 4 diff changeset	430 cyg_thread_exit();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	431 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	432
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	433 /* look for an available handler thread */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	434 int get_handler_slot(cyg_handle_t current_threadH)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	435 {
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	436 int i;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	437 int found = 0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	438
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	439 while (!found) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	440 cyg_mutex_lock(&handler_slot_lock); {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	441 for (i = 0; i < MAX_HANDLERS; ++i) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	442 if (!handler_thread_in_use[i]) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	443 found = 1;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	444 handler_thread_in_use[i]++;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	445 break;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	446 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	447 }
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	448 } cyg_mutex_unlock(&handler_slot_lock);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	449 if (!found)
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	450 cyg_thread_delay(1);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	451 }
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	452
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	453 CYG_ASSERT(1 == handler_thread_in_use[i], "Handler usage count wrong!");
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	454
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	455 return i;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	456 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	457
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	458 /* do things which will stress the system */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	459 void perform_stressful_tasks()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	460 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	461 #define MAX_MALLOCED_SPACES 100 /* do this many mallocs at most */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	462 #define MALLOCED_BASE_SIZE 1 /* basic size in bytes */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	463 char *spaces[MAX_MALLOCED_SPACES];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	464 unsigned int i;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	465
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	466 cyg_mutex_t tmp_lock;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	467
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	468 cyg_uint8 pool_space[10][100];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	469 cyg_handle_t mempool_handles[10];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	470 cyg_mempool_fix mempool_objects[10];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	471
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	472 cyg_mutex_init(&tmp_lock);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	473
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	474 /* here I use malloc, which uses the kernel's variable memory pools.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	475 note that malloc/free is a bit simple-minded here: it does not
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	476 try to really fragment things, and it does not try to make the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	477 allocation/deallocation concurrent with other thread execution
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	478 (although I'm about to throw in a yield()) */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	479 for (i = 0; i < MAX_MALLOCED_SPACES; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	480 ++statistics.malloc_tries;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	481 /* spaces[i] = (char ) malloc(((int)(sqrt(i2.0))+1)MALLOCED_BASE_SIZE); /
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	482 spaces[i] = (char ) malloc(((int)i2.0+1)*MALLOCED_BASE_SIZE);
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	483 if (i % (MAX_MALLOCED_SPACES/10) == 0) {
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	484 cyg_thread_yield();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	485 }
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	486 if (i % (MAX_MALLOCED_SPACES/15) == 0) {
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	487 cyg_thread_delay(i % 5);
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	488 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	489 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	490
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	491 /* now free it all up */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	492 for (i = 0; i < MAX_MALLOCED_SPACES; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	493 if (spaces[i] != NULL) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	494 unsigned int j;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	495 for (j = 0; j < (i2+1)MALLOCED_BASE_SIZE; ++j) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	496 spaces[i][j] = 0xAA; /* write a bit pattern */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	497 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	498 free(spaces[i]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	499 } else {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	500 ++statistics.malloc_failures;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	501 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	502 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	503 /* now allocate and then free some fixed-size memory pools; for
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	504 now this is simple-minded because it does not have many threads
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	505 sharing the memory pools and racing for memory. */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	506 for (i = 0; i < 10; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	507 cyg_mempool_fix_create(pool_space[i], 100, (i+1)*3,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	508 &mempool_handles[i], &mempool_objects[i]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	509 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	510
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	511 for (i = 0; i < 10; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	512 spaces[i] = cyg_mempool_fix_try_alloc(mempool_handles[i]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	513 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	514
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	515 for (i = 0; i < 10; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	516 if (spaces[i]) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	517 cyg_mempool_fix_delete(mempool_handles[i]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	518 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	519 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	520
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	521 cyg_mutex_destroy(&tmp_lock);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	522 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	523
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	524 /* report_alarm_func() is invoked as an alarm handler, so it should be
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	525 quick and simple. in this case it sets a global flag which is
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	526 checked by main_program. */
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	527 void report_alarm_func(cyg_handle_t alarmH, cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	528 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	529 time_to_report = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	530 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	531
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	532 #ifdef DEATH_TIME_LIMIT
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	533 /* this sets up death alarms. it gets the handle and alarm from the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	534 caller, since they must persist for the life of the alarm */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	535 void setup_death_alarm(cyg_addrword_t data, cyg_handle_t *deathHp,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	536 cyg_alarm death_alarm_p, int killed_p)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	537 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	538 cyg_handle_t system_clockH, counterH;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	539 cyg_resolution_t rtc_res;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	540
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	541 system_clockH = cyg_real_time_clock();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	542 cyg_clock_to_counter(system_clockH, &counterH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	543
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	544 cyg_alarm_create(counterH, death_alarm_func,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	545 (cyg_addrword_t) killed_p,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	546 deathHp, death_alarm_p);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	547 rtc_res = cyg_clock_get_resolution(system_clockH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	548 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	549 cyg_tick_count_t tick_delay;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	550 tick_delay = (long long)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	551 ((1000000000.0*rtc_res.divisor)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	552 *((double)DEATH_TIME_LIMIT)/((double)rtc_res.dividend));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	553 if ( cyg_test_is_simulator )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	554 tick_delay /= 10;
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	555 #ifdef CYGPKG_HAL_I386_LINUX
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	556 // 20 seconds is a long time compared to the run time of other tests.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	557 // Reduce to 10 seconds, allowing more tests to get run.
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	558 tick_delay /= 2;
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	559 #endif
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	560
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	561 cyg_alarm_initialize(*deathHp, cyg_current_time() + tick_delay, 0);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	562 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	563 }
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	564 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	565
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	566 /* death_alarm_func() is the alarm handler that kills the current
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	567 thread after a specified timeout. It does so by setting a flag the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	568 thread is constantly checking. */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	569 void death_alarm_func(cyg_handle_t alarmH, cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	570 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	571 int *killed_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	572 killed_p = (int *) data;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	573 *killed_p = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	574 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	575
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	576 /* now I write the sc_ versions of the cyg_functions */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	577 void sc_thread_create(
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	578 cyg_addrword_t sched_info, /* scheduling info (eg pri) */
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	579 cyg_thread_entry_t entry, / entry point function */
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	580 cyg_addrword_t entry_data, /* entry data */
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	581 char name, / optional thread name */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	582 void stack_base, / stack base, NULL = alloc */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	583 cyg_ucount32 stack_size, /* stack size, 0 = default */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	584 cyg_handle_t handle, / returned thread handle */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	585 cyg_thread thread / put thread here */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	586 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	587 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	588 /printf("Creating a thread -- priority is %lu\n", (unsigned long) sched_info);/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	589 /* fflush(stdout); */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	590 ++statistics.thread_creations;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	591 cyg_thread_create(sched_info, entry, entry_data, name,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	592 stack_base, stack_size, handle, thread);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	593 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	594
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	595
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	596 void print_statistics(int print_full)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	597 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	598 int i;
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	599 static int print_count = 0;
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	600
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	601 printf("State dump %d (time %02d.%02d.%02d)\n",
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	602 print_count,
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	603 print_counttime_report_delay / (6060), // hours
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	604 (print_count*time_report_delay / 60) % 60, // minutes
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	605 (print_count*time_report_delay ) % 60); // seconds
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	606 print_count++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	607
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	608 cyg_mutex_lock(&statistics_print_lock); {
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	609 printf(" Handler-invocations: ");
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	610 for (i = 0; i < MAX_HANDLERS; ++i) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	611 printf("%4lu ", statistics.handler_invocation_histogram[i]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	612 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	613 printf("\n");
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	614 printf(" malloc()-tries/failures: -- %7lu %7lu\n",
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	615 statistics.malloc_tries, statistics.malloc_failures);
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	616 printf(" client_makes_request: %d\n", client_makes_request);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	617 } cyg_mutex_unlock(&statistics_print_lock);
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	618
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	619 // Add: Also occasionally dump individual threads' stack status.
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	620 if (0 == print_count % 5 \|\| print_full) {
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	621 cyg_test_dump_interrupt_stack_stats( " Status" );
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	622 cyg_test_dump_idlethread_stack_stats( " Status" );
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	623 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	624 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	625
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	626 #else /* (CYGNUM_KERNEL_SCHED_PRIORITIES >= */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	627 /* (N_MAIN+N_CLIENTS+N_LISTENERS+MAX_HANDLERS)) */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	628 #define N_A_MSG "not enough priorities available"
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	629 #endif /* (CYGNUM_KERNEL_SCHED_PRIORITIES >= */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	630 /* (N_MAIN+N_CLIENTS+N_LISTENERS+MAX_HANDLERS)) */
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	631
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	632 #else /* CYGSEM_LIBC_MALLOC */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	633 # define N_A_MSG "this test needs malloc"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	634 #endif /* CYGSEM_LIBC_MALLOC */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	635
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	636 #else /* CYGFUN_KERNEL_THREADS_TIMER */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	637 # define N_A_MSG "this test needs kernel threads timer"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	638 #endif /* CYGFUN_KERNEL_THREADS_TIMER */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	639
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	640 #else /* CYGPKG_LIBM */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	641 # define N_A_MSG "this test needs libm"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	642 #endif /* CYGPKG_LIBM */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	643
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	644 #else /* CYGSEM_LIBC_STDIO */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	645 # define N_A_MSG "this test needs stdio"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	646 #endif /* CYGSEM_LIBC_STDIO */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	647
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	648 #else // def CYGFUN_KERNEL_API_C
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	649 # define N_A_MSG "this test needs Kernel C API"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	650 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	651
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	652 #else // def CYGPKG_KERNEL && CYGPKG_IO && CYGPKG_LIBC
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	653 # define N_A_MSG "this tests needs Kernel, libc and IO"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	654 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	655
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	656 #ifdef N_A_MSG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	657 externC void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	658 cyg_start( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	659 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	660 CYG_TEST_INIT();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	661 CYG_TEST_NA( N_A_MSG);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	662 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	663 #endif // N_A_MSG

Mercurial > ecos

annotate packages/kernel/current/tests/stress_threads.c @ 10:d3fbcdfa1b2f ecos-sw-1999-05-29