[a23427e] | 1 | /* Test1 |
---|
| 2 | * |
---|
| 3 | * This test uses creates a number of tasks so the capture engine |
---|
| 4 | * can show a trace. |
---|
| 5 | * |
---|
| 6 | * Input parameters: NONE |
---|
| 7 | * |
---|
| 8 | * Output parameters: NONE |
---|
| 9 | * |
---|
| 10 | * COPYRIGHT (c) 1989-1997. |
---|
| 11 | * On-Line Applications Research Corporation (OAR). |
---|
| 12 | * |
---|
| 13 | * The license and distribution terms for this file may in |
---|
| 14 | * the file LICENSE in this distribution or at |
---|
| 15 | * http://www.rtems.com/license/LICENSE. |
---|
| 16 | * |
---|
| 17 | * $Id$ |
---|
| 18 | */ |
---|
| 19 | |
---|
[e313551] | 20 | #ifdef HAVE_CONFIG_H |
---|
| 21 | #include "config.h" |
---|
| 22 | #endif |
---|
| 23 | |
---|
[a23427e] | 24 | #include "system.h" |
---|
| 25 | #include <stdio.h> |
---|
| 26 | #include <stdlib.h> |
---|
| 27 | |
---|
| 28 | #include <rtems.h> |
---|
| 29 | #include <rtems/monitor.h> |
---|
| 30 | |
---|
[cdf44d93] | 31 | #if !BSP_SMALL_MEMORY |
---|
[a23427e] | 32 | static volatile int capture_CT1a_deleted; |
---|
| 33 | static volatile int capture_CT1b_deleted; |
---|
| 34 | static volatile int capture_CT1c_deleted; |
---|
| 35 | |
---|
| 36 | static void |
---|
| 37 | capture_wait (uint32_t period) |
---|
| 38 | { |
---|
[b1274bd9] | 39 | rtems_task_wake_after (RTEMS_MICROSECONDS_TO_TICKS (period * 1000)); |
---|
[a23427e] | 40 | } |
---|
| 41 | |
---|
| 42 | /* |
---|
| 43 | * CT1a: Claim the mutex and then wait a while then wake |
---|
| 44 | * up and release the mutex. While this task waits with |
---|
| 45 | * the mutex another higher priority task is started that |
---|
| 46 | * just loops using all the processing time. It is not until |
---|
| 47 | * another even higher priority thread blocks on the mutex |
---|
| 48 | * does this task get raised to that priority and so |
---|
| 49 | * releases the mutex. This will allow us to capture the |
---|
| 50 | * action of priority inversion. |
---|
| 51 | */ |
---|
| 52 | static void |
---|
| 53 | capture_CT1a (rtems_task_argument arg) |
---|
| 54 | { |
---|
| 55 | rtems_id mutex = (rtems_id) arg; |
---|
| 56 | rtems_status_code sc; |
---|
| 57 | |
---|
| 58 | sc = rtems_semaphore_obtain (mutex, RTEMS_WAIT, 0); |
---|
| 59 | |
---|
[b1274bd9] | 60 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 61 | fprintf (stdout, "error: CT1a: mutex obtain: %s\n", |
---|
| 62 | rtems_status_text (sc)); |
---|
| 63 | |
---|
| 64 | capture_wait (2500); |
---|
| 65 | |
---|
| 66 | sc = rtems_semaphore_release (mutex); |
---|
| 67 | |
---|
[b1274bd9] | 68 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 69 | fprintf (stdout, "error: CT1a: mutex release: %s\n", |
---|
| 70 | rtems_status_text (sc)); |
---|
| 71 | |
---|
| 72 | capture_CT1a_deleted = 1; |
---|
[b1274bd9] | 73 | |
---|
[a23427e] | 74 | rtems_task_delete (RTEMS_SELF); |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | static void |
---|
| 78 | capture_CT1b (rtems_task_argument arg) |
---|
| 79 | { |
---|
| 80 | volatile int i; |
---|
| 81 | |
---|
| 82 | while (!capture_CT1c_deleted) |
---|
| 83 | i++; |
---|
[b1274bd9] | 84 | |
---|
[a23427e] | 85 | capture_CT1b_deleted = 1; |
---|
| 86 | |
---|
| 87 | rtems_task_delete (RTEMS_SELF); |
---|
| 88 | } |
---|
| 89 | |
---|
| 90 | static void |
---|
| 91 | capture_CT1c (rtems_task_argument arg) |
---|
| 92 | { |
---|
| 93 | rtems_id mutex = (rtems_id) arg; |
---|
| 94 | rtems_status_code sc; |
---|
| 95 | |
---|
| 96 | sc = rtems_semaphore_obtain (mutex, RTEMS_WAIT, 0); |
---|
| 97 | |
---|
[b1274bd9] | 98 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 99 | fprintf (stdout, "error: CT1c: mutex obtain: %s\n", |
---|
| 100 | rtems_status_text (sc)); |
---|
| 101 | |
---|
| 102 | capture_wait (500); |
---|
| 103 | |
---|
| 104 | sc = rtems_semaphore_release (mutex); |
---|
| 105 | |
---|
[b1274bd9] | 106 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 107 | fprintf (stdout, "error: CT1c: mutex release: %s\n", |
---|
| 108 | rtems_status_text (sc)); |
---|
| 109 | |
---|
| 110 | capture_CT1c_deleted = 1; |
---|
[b1274bd9] | 111 | |
---|
[a23427e] | 112 | rtems_task_delete (RTEMS_SELF); |
---|
| 113 | } |
---|
| 114 | |
---|
| 115 | static void |
---|
[52410c2] | 116 | capture_test_1 (int argc, |
---|
| 117 | char** argv, |
---|
| 118 | const rtems_monitor_command_arg_t* command_arg, |
---|
| 119 | bool verbose) |
---|
[a23427e] | 120 | { |
---|
| 121 | rtems_status_code sc; |
---|
| 122 | rtems_name name; |
---|
| 123 | rtems_id id[3]; |
---|
| 124 | rtems_id mutex; |
---|
| 125 | int loops; |
---|
| 126 | |
---|
| 127 | capture_CT1a_deleted = 0; |
---|
| 128 | capture_CT1b_deleted = 0; |
---|
| 129 | capture_CT1c_deleted = 0; |
---|
[b1274bd9] | 130 | |
---|
[a23427e] | 131 | name = rtems_build_name('C', 'T', 'm', '1'); |
---|
| 132 | |
---|
| 133 | sc = rtems_semaphore_create (name, 1, |
---|
[b1274bd9] | 134 | RTEMS_PRIORITY | RTEMS_BINARY_SEMAPHORE | |
---|
[a23427e] | 135 | RTEMS_INHERIT_PRIORITY, |
---|
| 136 | 0, &mutex); |
---|
[b1274bd9] | 137 | |
---|
| 138 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 139 | { |
---|
| 140 | fprintf (stdout, "error: Test 1: cannot mutex: %s\n", |
---|
| 141 | rtems_status_text (sc)); |
---|
| 142 | return; |
---|
| 143 | } |
---|
| 144 | |
---|
| 145 | name = rtems_build_name('C', 'T', '1', 'a'); |
---|
[b1274bd9] | 146 | |
---|
[a23427e] | 147 | sc = rtems_task_create (name, 102, 2 * 1024, |
---|
| 148 | RTEMS_NO_FLOATING_POINT | RTEMS_LOCAL, |
---|
| 149 | RTEMS_PREEMPT | RTEMS_TIMESLICE | RTEMS_NO_ASR, |
---|
| 150 | &id[0]); |
---|
[b1274bd9] | 151 | |
---|
| 152 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 153 | { |
---|
| 154 | fprintf (stdout, "error: Test 1: cannot create CT1a: %s\n", |
---|
| 155 | rtems_status_text (sc)); |
---|
| 156 | rtems_semaphore_delete (mutex); |
---|
| 157 | return; |
---|
| 158 | } |
---|
| 159 | |
---|
| 160 | sc = rtems_task_start (id[0], capture_CT1a, (rtems_task_argument) mutex); |
---|
| 161 | |
---|
| 162 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 163 | { |
---|
| 164 | fprintf (stdout, "error: Test 1: cannot start CT1a: %s\n", |
---|
| 165 | rtems_status_text (sc)); |
---|
| 166 | rtems_task_delete (id[0]); |
---|
| 167 | rtems_semaphore_delete (mutex); |
---|
| 168 | return; |
---|
| 169 | } |
---|
| 170 | |
---|
| 171 | capture_wait (1000); |
---|
| 172 | |
---|
| 173 | name = rtems_build_name('C', 'T', '1', 'b'); |
---|
[b1274bd9] | 174 | |
---|
[a23427e] | 175 | sc = rtems_task_create (name, 101, 2 * 1024, |
---|
| 176 | RTEMS_NO_FLOATING_POINT | RTEMS_LOCAL, |
---|
| 177 | RTEMS_PREEMPT | RTEMS_TIMESLICE | RTEMS_NO_ASR, |
---|
| 178 | &id[1]); |
---|
[b1274bd9] | 179 | |
---|
| 180 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 181 | { |
---|
| 182 | fprintf (stdout, "error: Test 1: cannot create CT1b: %s\n", |
---|
| 183 | rtems_status_text (sc)); |
---|
| 184 | rtems_task_delete (id[0]); |
---|
| 185 | rtems_semaphore_delete (mutex); |
---|
| 186 | return; |
---|
| 187 | } |
---|
| 188 | |
---|
| 189 | sc = rtems_task_start (id[1], capture_CT1b, 0); |
---|
| 190 | |
---|
| 191 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 192 | { |
---|
| 193 | fprintf (stdout, "error: Test 1: cannot start CT1b: %s\n", |
---|
| 194 | rtems_status_text (sc)); |
---|
| 195 | rtems_task_delete (id[1]); |
---|
| 196 | rtems_task_delete (id[0]); |
---|
| 197 | rtems_semaphore_delete (mutex); |
---|
| 198 | return; |
---|
| 199 | } |
---|
| 200 | |
---|
| 201 | capture_wait (1000); |
---|
| 202 | |
---|
| 203 | name = rtems_build_name('C', 'T', '1', 'c'); |
---|
[b1274bd9] | 204 | |
---|
[a23427e] | 205 | sc = rtems_task_create (name, 100, 2 * 1024, |
---|
| 206 | RTEMS_NO_FLOATING_POINT | RTEMS_LOCAL, |
---|
| 207 | RTEMS_PREEMPT | RTEMS_TIMESLICE | RTEMS_NO_ASR, |
---|
| 208 | &id[2]); |
---|
[b1274bd9] | 209 | |
---|
| 210 | if (sc != RTEMS_SUCCESSFUL) |
---|
[a23427e] | 211 | { |
---|
| 212 | fprintf (stdout, "error: Test 1: cannot create CT1c: %s\n", |
---|
| 213 | rtems_status_text (sc)); |
---|
| 214 | rtems_task_delete (id[1]); |
---|
| 215 | rtems_task_delete (id[0]); |
---|
| 216 | rtems_semaphore_delete (mutex); |
---|
| 217 | return; |
---|
| 218 | } |
---|
| 219 | |
---|
| 220 | sc = rtems_task_start (id[2], capture_CT1c, (rtems_task_argument) mutex); |
---|
| 221 | |
---|
| 222 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 223 | { |
---|
| 224 | fprintf (stdout, "error: Test 1: cannot start CT1c: %s\n", |
---|
| 225 | rtems_status_text (sc)); |
---|
| 226 | rtems_task_delete (id[2]); |
---|
| 227 | rtems_task_delete (id[1]); |
---|
| 228 | rtems_task_delete (id[0]); |
---|
| 229 | rtems_semaphore_delete (mutex); |
---|
| 230 | return; |
---|
| 231 | } |
---|
| 232 | |
---|
| 233 | loops = 15; |
---|
| 234 | |
---|
| 235 | while (!(capture_CT1a_deleted || capture_CT1b_deleted || |
---|
| 236 | capture_CT1c_deleted) && loops) |
---|
| 237 | { |
---|
| 238 | loops--; |
---|
| 239 | capture_wait (1000); |
---|
| 240 | } |
---|
| 241 | |
---|
| 242 | if (!loops) |
---|
| 243 | { |
---|
| 244 | fprintf (stdout, "error: Test 1: test tasks did not delete\n"); |
---|
| 245 | rtems_task_delete (id[2]); |
---|
| 246 | rtems_task_delete (id[1]); |
---|
| 247 | rtems_task_delete (id[0]); |
---|
| 248 | } |
---|
[b1274bd9] | 249 | |
---|
[a23427e] | 250 | sc = rtems_semaphore_delete (mutex); |
---|
| 251 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 252 | fprintf (stdout, "error: Test 1: deleting the mutex: %s\n", |
---|
| 253 | rtems_status_text (sc)); |
---|
| 254 | } |
---|
| 255 | |
---|
| 256 | static rtems_monitor_command_entry_t capture_cmds[] = |
---|
| 257 | { |
---|
| 258 | { |
---|
| 259 | "test1", |
---|
| 260 | "usage: \n", |
---|
| 261 | 0, |
---|
| 262 | capture_test_1, |
---|
| 263 | { 0 }, |
---|
| 264 | 0 |
---|
| 265 | } |
---|
| 266 | }; |
---|
| 267 | |
---|
[38903a53] | 268 | void setup_tasks_to_watch (void) |
---|
[a23427e] | 269 | { |
---|
[27cb9ec] | 270 | size_t cmd; |
---|
[a23427e] | 271 | for (cmd = 0; |
---|
| 272 | cmd < sizeof (capture_cmds) / sizeof (rtems_monitor_command_entry_t); |
---|
| 273 | cmd++) |
---|
| 274 | rtems_monitor_insert_cmd (&capture_cmds[cmd]); |
---|
| 275 | } |
---|
[cdf44d93] | 276 | #endif /* BSP_SMALL_MEMORY */ |
---|