1 | /* |
---|
2 | * Copyright (c) 2015 Chris Johns <chrisj@rtems.org> |
---|
3 | * |
---|
4 | * The license and distribution terms for this file may be |
---|
5 | * found in the file LICENSE in this distribution or at |
---|
6 | * http://www.rtems.org/license/LICENSE. |
---|
7 | */ |
---|
8 | |
---|
9 | #include <ctype.h> |
---|
10 | #include <errno.h> |
---|
11 | #include <fcntl.h> |
---|
12 | #include <inttypes.h> |
---|
13 | #include <stdio.h> |
---|
14 | #include <stdlib.h> |
---|
15 | #include <sys/types.h> |
---|
16 | #include <time.h> |
---|
17 | #include <unistd.h> |
---|
18 | |
---|
19 | #include <rtems/shell.h> |
---|
20 | #include <rtems/trace/rtems-trace-buffer-vars.h> |
---|
21 | |
---|
22 | /** |
---|
23 | * The type of the shell handlers we have. |
---|
24 | */ |
---|
25 | typedef int (*rtems_trace_buffering_shell_handler_t) (int argc, char *argv[]); |
---|
26 | |
---|
27 | /** |
---|
28 | * Table of handlers we parse to invoke the command. |
---|
29 | */ |
---|
30 | typedef struct |
---|
31 | { |
---|
32 | const char* name; /**< The sub-command's name. */ |
---|
33 | rtems_trace_buffering_shell_handler_t handler; /**< The sub-command's handler. */ |
---|
34 | const char* help; /**< The sub-command's help. */ |
---|
35 | } rtems_trace_buffering_shell_cmd_t; |
---|
36 | |
---|
37 | static int |
---|
38 | rtems_trace_buffering_wrong_number_of_args (void) |
---|
39 | { |
---|
40 | printf ("error: wrong number of arguments\n"); |
---|
41 | return 1; |
---|
42 | } |
---|
43 | |
---|
44 | static int |
---|
45 | rtems_trace_buffering_no_trace_buffer_code (void) |
---|
46 | { |
---|
47 | printf("No trace buffer generated code in the application; see rtems-tld\n"); |
---|
48 | return 1; |
---|
49 | } |
---|
50 | |
---|
51 | static void |
---|
52 | rtems_trace_buffering_banner (const char* label) |
---|
53 | { |
---|
54 | printf("RTEMS Trace Bufferring: %s\n", label); |
---|
55 | } |
---|
56 | |
---|
57 | static void |
---|
58 | rtems_trace_buffering_print_timestamp (uint64_t uptime) |
---|
59 | { |
---|
60 | uint32_t hours; |
---|
61 | uint32_t minutes; |
---|
62 | uint32_t seconds; |
---|
63 | uint32_t nanosecs; |
---|
64 | uint64_t up_secs; |
---|
65 | |
---|
66 | up_secs = uptime / 1000000000LLU; |
---|
67 | minutes = up_secs / 60; |
---|
68 | hours = minutes / 60; |
---|
69 | minutes = minutes % 60; |
---|
70 | seconds = up_secs % 60; |
---|
71 | nanosecs = uptime % 1000000000; |
---|
72 | |
---|
73 | printf ("%5" PRIu32 ":%02" PRIu32 ":%02" PRIu32".%09" PRIu32, |
---|
74 | hours, minutes, seconds, nanosecs); |
---|
75 | } |
---|
76 | |
---|
77 | static int |
---|
78 | rtems_trace_buffering_shell_status (int argc, char *argv[]) |
---|
79 | { |
---|
80 | uint32_t buffer_size; |
---|
81 | uint32_t buffer_in; |
---|
82 | bool finished; |
---|
83 | bool triggered; |
---|
84 | uint32_t names; |
---|
85 | |
---|
86 | if (argc != 1) |
---|
87 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
88 | |
---|
89 | if (!rtems_trace_buffering_present ()) |
---|
90 | return rtems_trace_buffering_no_trace_buffer_code (); |
---|
91 | |
---|
92 | buffer_size = rtems_trace_buffering_buffer_size (); |
---|
93 | buffer_in = rtems_trace_buffering_buffer_in (); |
---|
94 | finished = rtems_trace_buffering_finished (); |
---|
95 | triggered = rtems_trace_buffering_triggered (); |
---|
96 | names = rtems_trace_names_size (); |
---|
97 | |
---|
98 | rtems_trace_buffering_banner ("status"); |
---|
99 | printf(" Running: %s\n", finished ? "no" : "yes"); |
---|
100 | printf(" Triggered: %s\n", triggered ? "yes" : "no"); |
---|
101 | printf(" Level: %3" PRIu32 "%%\n", (buffer_in * 100) / buffer_size); |
---|
102 | printf(" Traces: %4" PRIu32 "\n", names); |
---|
103 | |
---|
104 | return 0; |
---|
105 | } |
---|
106 | |
---|
107 | static int |
---|
108 | rtems_trace_buffering_shell_funcs (int argc, char *argv[]) |
---|
109 | { |
---|
110 | size_t traces = rtems_trace_names_size (); |
---|
111 | size_t t; |
---|
112 | size_t max = 0; |
---|
113 | |
---|
114 | if (argc != 1) |
---|
115 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
116 | |
---|
117 | if (!rtems_trace_buffering_present ()) |
---|
118 | return rtems_trace_buffering_no_trace_buffer_code (); |
---|
119 | |
---|
120 | rtems_trace_buffering_banner ("trace functions"); |
---|
121 | printf(" Total: %4zu\n", traces); |
---|
122 | |
---|
123 | for (t = 0; t < traces; ++t) |
---|
124 | { |
---|
125 | size_t l = strlen (rtems_trace_names (t)); |
---|
126 | if (l > max) |
---|
127 | max = l; |
---|
128 | } |
---|
129 | |
---|
130 | for (t = 0; t < traces; ++t) |
---|
131 | { |
---|
132 | printf(" %4zu: %c%c %-*s\n", t, |
---|
133 | rtems_trace_enable_set(t) ? 'E' : '-', |
---|
134 | rtems_trace_trigger_set(t) ? 'T' : '-', |
---|
135 | max, rtems_trace_names (t)); |
---|
136 | } |
---|
137 | |
---|
138 | return 0; |
---|
139 | } |
---|
140 | |
---|
141 | static int |
---|
142 | rtems_trace_buffering_shell_start (int argc, char *argv[]) |
---|
143 | { |
---|
144 | if (argc != 1) |
---|
145 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
146 | |
---|
147 | if (!rtems_trace_buffering_present ()) |
---|
148 | return rtems_trace_buffering_no_trace_buffer_code (); |
---|
149 | |
---|
150 | rtems_trace_buffering_banner ("resume"); |
---|
151 | |
---|
152 | if (!rtems_trace_buffering_finished ()) |
---|
153 | { |
---|
154 | printf("already running\n"); |
---|
155 | return 0; |
---|
156 | } |
---|
157 | |
---|
158 | rtems_trace_buffering_start (); |
---|
159 | |
---|
160 | return 0; |
---|
161 | } |
---|
162 | |
---|
163 | static int |
---|
164 | rtems_trace_buffering_shell_stop (int argc, char *argv[]) |
---|
165 | { |
---|
166 | if (argc != 1) |
---|
167 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
168 | |
---|
169 | if (!rtems_trace_buffering_present ()) |
---|
170 | return rtems_trace_buffering_no_trace_buffer_code (); |
---|
171 | |
---|
172 | rtems_trace_buffering_banner ("stop"); |
---|
173 | |
---|
174 | if (rtems_trace_buffering_finished ()) |
---|
175 | { |
---|
176 | printf("already stopped\n"); |
---|
177 | return 0; |
---|
178 | } |
---|
179 | |
---|
180 | rtems_trace_buffering_stop (); |
---|
181 | |
---|
182 | return 0; |
---|
183 | } |
---|
184 | |
---|
185 | static int |
---|
186 | rtems_trace_buffering_shell_resume (int argc, char *argv[]) |
---|
187 | { |
---|
188 | if (argc != 1) |
---|
189 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
190 | |
---|
191 | if (!rtems_trace_buffering_present ()) |
---|
192 | return rtems_trace_buffering_no_trace_buffer_code (); |
---|
193 | |
---|
194 | rtems_trace_buffering_banner ("resume"); |
---|
195 | |
---|
196 | if (!rtems_trace_buffering_finished ()) |
---|
197 | { |
---|
198 | printf("already running\n"); |
---|
199 | return 0; |
---|
200 | } |
---|
201 | |
---|
202 | rtems_trace_buffering_start (); |
---|
203 | |
---|
204 | return 0; |
---|
205 | } |
---|
206 | |
---|
207 | static void rtems_trace_buffering_print_arg (const rtems_trace_sig_arg* arg, |
---|
208 | const uint8_t* argv) |
---|
209 | { |
---|
210 | if (arg->size) |
---|
211 | { |
---|
212 | union |
---|
213 | { |
---|
214 | uint8_t bytes[sizeof (uint64_t)]; |
---|
215 | uint16_t u16; |
---|
216 | uint32_t u32; |
---|
217 | uint64_t u64; |
---|
218 | void* pointer; |
---|
219 | } variable; |
---|
220 | |
---|
221 | if (arg->size <= sizeof(uint64_t)) |
---|
222 | memcpy (&variable.bytes[0], argv, arg->size); |
---|
223 | |
---|
224 | printf ("(%s) ", arg->type); |
---|
225 | |
---|
226 | if (strchr (arg->type, '*') != NULL) |
---|
227 | { |
---|
228 | printf ("%p", variable.pointer); |
---|
229 | } |
---|
230 | else |
---|
231 | { |
---|
232 | size_t b; |
---|
233 | switch (arg->size) |
---|
234 | { |
---|
235 | case 2: |
---|
236 | printf ("%04" PRIx16, variable.u16); |
---|
237 | break; |
---|
238 | case 4: |
---|
239 | printf ("%08" PRIx32, variable.u32); |
---|
240 | break; |
---|
241 | case 8: |
---|
242 | printf ("%016" PRIx64, variable.u64); |
---|
243 | break; |
---|
244 | default: |
---|
245 | for (b = 0; b < arg->size; ++b) |
---|
246 | printf ("%02" PRIx32, (uint32_t) *argv++); |
---|
247 | break; |
---|
248 | } |
---|
249 | } |
---|
250 | } |
---|
251 | } |
---|
252 | |
---|
253 | static int |
---|
254 | rtems_trace_buffering_shell_trace (int argc, char *argv[]) |
---|
255 | { |
---|
256 | uint32_t* trace_buffer; |
---|
257 | uint32_t records; |
---|
258 | uint32_t traces; |
---|
259 | uint32_t r; |
---|
260 | size_t start = 0; |
---|
261 | size_t end = 40; |
---|
262 | size_t count; |
---|
263 | uint64_t last_sample = 0; |
---|
264 | |
---|
265 | if (!rtems_trace_buffering_present ()) |
---|
266 | return rtems_trace_buffering_no_trace_buffer_code (); |
---|
267 | |
---|
268 | trace_buffer = rtems_trace_buffering_buffer (); |
---|
269 | records = rtems_trace_buffering_buffer_in (); |
---|
270 | traces = rtems_trace_names_size (); |
---|
271 | |
---|
272 | if (argc > 1) |
---|
273 | { |
---|
274 | if (argc > 3) |
---|
275 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
276 | |
---|
277 | if (argv[1][0] == '+') |
---|
278 | { |
---|
279 | if (argc > 2) |
---|
280 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
281 | end = strtoul (argv[1] + 1, 0, 0); |
---|
282 | if (end == 0) |
---|
283 | { |
---|
284 | printf("error: invalid number of lines\n"); |
---|
285 | return 1; |
---|
286 | } |
---|
287 | ++end; |
---|
288 | } |
---|
289 | else |
---|
290 | { |
---|
291 | start = strtoul (argv[1], 0, 0); |
---|
292 | if (start >= records) |
---|
293 | { |
---|
294 | printf ("error: start record out of range (max %" PRIu32 ")\n", records); |
---|
295 | return 1; |
---|
296 | } |
---|
297 | } |
---|
298 | |
---|
299 | end += start; |
---|
300 | |
---|
301 | if (argc == 3) |
---|
302 | { |
---|
303 | if (argv[2][0] == '+') |
---|
304 | { |
---|
305 | end = strtoul (argv[2] + 1, 0, 0); |
---|
306 | if (end == 0) |
---|
307 | { |
---|
308 | printf("error: invalid number of lines\n"); |
---|
309 | return 1; |
---|
310 | } |
---|
311 | end += start + 1; |
---|
312 | } |
---|
313 | else |
---|
314 | { |
---|
315 | end = strtoul (argv[2], 0, 0); |
---|
316 | if (end < start) |
---|
317 | { |
---|
318 | printf ("error: end record before start\n"); |
---|
319 | return 1; |
---|
320 | } |
---|
321 | else if (end > records) |
---|
322 | { |
---|
323 | printf ("error: end record out of range (max %" PRIu32 ")\n", records); |
---|
324 | } |
---|
325 | } |
---|
326 | } |
---|
327 | } |
---|
328 | |
---|
329 | rtems_trace_buffering_banner ("trace"); |
---|
330 | |
---|
331 | if (!rtems_trace_buffering_finished ()) |
---|
332 | { |
---|
333 | printf("tracing still running\n"); |
---|
334 | return 0; |
---|
335 | } |
---|
336 | |
---|
337 | printf(" Trace buffer: %p\n", trace_buffer); |
---|
338 | printf(" Words traced: %" PRIu32 "\n", records); |
---|
339 | printf(" Traces: %" PRIu32 "\n", traces); |
---|
340 | |
---|
341 | count = 0; |
---|
342 | r = 0; |
---|
343 | |
---|
344 | while ((r < records) && (count < end)) |
---|
345 | { |
---|
346 | const uint32_t header = trace_buffer[r]; |
---|
347 | const uint32_t func_index = header & 0xffff; |
---|
348 | const uint32_t len = (header >> 16) & 0x0fff; |
---|
349 | const uint32_t task_id = trace_buffer[r + 1]; |
---|
350 | const uint32_t task_status = trace_buffer[r + 2]; |
---|
351 | const uint64_t when = (((uint64_t) trace_buffer[r + 4]) << 32) | trace_buffer[r + 5]; |
---|
352 | const uint8_t* argv = (uint8_t*) &trace_buffer[r + 6]; |
---|
353 | const bool ret = (header & (1 << 30)) == 0 ? false : true; |
---|
354 | const bool irq = (header & (1 << 31)) == 0 ? false : true; |
---|
355 | |
---|
356 | if (count > start) |
---|
357 | { |
---|
358 | const rtems_trace_sig* sig = rtems_trace_signatures (func_index); |
---|
359 | |
---|
360 | rtems_trace_buffering_print_timestamp (when); |
---|
361 | printf (" %10" PRIu32 " %c%08" PRIx32 " [%3" PRIu32 "/%3" PRIu32 "] %c %s", |
---|
362 | (uint32_t) (when - last_sample), |
---|
363 | irq ? '*' : ' ', task_id, (task_status >> 8) & 0xff, task_status & 0xff, |
---|
364 | ret ? '<' : '>', rtems_trace_names (func_index)); |
---|
365 | |
---|
366 | if (sig->argc) |
---|
367 | { |
---|
368 | if (ret) |
---|
369 | { |
---|
370 | if (sig->args[0].size) |
---|
371 | printf(" => "); |
---|
372 | rtems_trace_buffering_print_arg (&sig->args[0], argv); |
---|
373 | } |
---|
374 | else |
---|
375 | { |
---|
376 | size_t a; |
---|
377 | printf("("); |
---|
378 | for (a = 1; a < sig->argc; ++a) |
---|
379 | { |
---|
380 | if (a > 1) |
---|
381 | printf (", "); |
---|
382 | rtems_trace_buffering_print_arg (&sig->args[a], argv); |
---|
383 | argv += sig->args[a].size; |
---|
384 | } |
---|
385 | printf(")"); |
---|
386 | } |
---|
387 | } |
---|
388 | |
---|
389 | printf("\n"); |
---|
390 | } |
---|
391 | |
---|
392 | r += ((len - 1) / sizeof (uint32_t)) + 1; |
---|
393 | last_sample = when; |
---|
394 | ++count; |
---|
395 | } |
---|
396 | |
---|
397 | return 0; |
---|
398 | } |
---|
399 | |
---|
400 | static ssize_t |
---|
401 | rtems_trace_buffering_file_write (int out, const void* vbuffer, ssize_t length) |
---|
402 | { |
---|
403 | const uint8_t* buffer = vbuffer; |
---|
404 | while (length) |
---|
405 | { |
---|
406 | ssize_t w = write (out, buffer, length); |
---|
407 | if (w < 0) |
---|
408 | { |
---|
409 | printf ("error: write failed: %s\n", strerror(errno)); |
---|
410 | return false; |
---|
411 | } |
---|
412 | if (w == 0) |
---|
413 | { |
---|
414 | printf ("error: write failed: EOF\n"); |
---|
415 | return false; |
---|
416 | } |
---|
417 | |
---|
418 | length -= w; |
---|
419 | buffer += w; |
---|
420 | } |
---|
421 | return true; |
---|
422 | } |
---|
423 | |
---|
424 | static int |
---|
425 | rtems_trace_buffering_shell_save (int argc, char *argv[]) |
---|
426 | { |
---|
427 | uint32_t* trace_buffer; |
---|
428 | uint32_t records; |
---|
429 | uint32_t traces; |
---|
430 | uint8_t* buffer; |
---|
431 | size_t length; |
---|
432 | uint32_t r; |
---|
433 | int out; |
---|
434 | uint8_t* buf; |
---|
435 | uint8_t* in; |
---|
436 | |
---|
437 | if (argc != 2) |
---|
438 | return rtems_trace_buffering_wrong_number_of_args (); |
---|
439 | |
---|
440 | if (!rtems_trace_buffering_present ()) |
---|
441 | return rtems_trace_buffering_no_trace_buffer_code (); |
---|
442 | |
---|
443 | rtems_trace_buffering_banner ("trace"); |
---|
444 | |
---|
445 | if (!rtems_trace_buffering_finished ()) |
---|
446 | { |
---|
447 | printf("tracing still running\n"); |
---|
448 | return 0; |
---|
449 | } |
---|
450 | |
---|
451 | trace_buffer = rtems_trace_buffering_buffer (); |
---|
452 | records = rtems_trace_buffering_buffer_in (); |
---|
453 | traces = rtems_trace_names_size (); |
---|
454 | |
---|
455 | printf(" Trace File: %s\n", argv[1]); |
---|
456 | printf(" Trace buffer: %p\n", trace_buffer); |
---|
457 | printf(" Words traced: %" PRIu32 "\n", records); |
---|
458 | printf(" Traces: %" PRIu32 "\n", traces); |
---|
459 | |
---|
460 | out = open (argv[1], O_WRONLY | O_TRUNC | O_CREAT, |
---|
461 | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH); |
---|
462 | if (out < 0) |
---|
463 | { |
---|
464 | printf ("error: opening file: %s: %s\n", argv[1], strerror(errno)); |
---|
465 | return 1; |
---|
466 | } |
---|
467 | |
---|
468 | #define SAVE_BUF_SIZE (1024) |
---|
469 | |
---|
470 | buf = malloc(SAVE_BUF_SIZE); |
---|
471 | if (!buf) |
---|
472 | { |
---|
473 | close (out); |
---|
474 | printf ("error: no memory\n"); |
---|
475 | } |
---|
476 | |
---|
477 | memset (buf, 0, SAVE_BUF_SIZE); |
---|
478 | |
---|
479 | in = buf; |
---|
480 | |
---|
481 | /* |
---|
482 | * Header label. |
---|
483 | */ |
---|
484 | memcpy (in, "RTEMS-TRACE", sizeof("RTEMS-TRACE")); |
---|
485 | in += 12; |
---|
486 | |
---|
487 | /* |
---|
488 | * Endian detection. |
---|
489 | */ |
---|
490 | *((uint32_t*) in) = 0x11223344; |
---|
491 | in += sizeof(uint32_t); |
---|
492 | |
---|
493 | /* |
---|
494 | * Number of traces. |
---|
495 | */ |
---|
496 | *((uint32_t*) in) = traces; |
---|
497 | in += sizeof(uint32_t); |
---|
498 | |
---|
499 | /* |
---|
500 | * Write it. |
---|
501 | */ |
---|
502 | if (!rtems_trace_buffering_file_write (out, buf, in - buf)) |
---|
503 | { |
---|
504 | free (buf); |
---|
505 | close (out); |
---|
506 | return 1; |
---|
507 | } |
---|
508 | |
---|
509 | /* |
---|
510 | * The trace names. |
---|
511 | */ |
---|
512 | for (r = 0; r < traces; ++r) |
---|
513 | { |
---|
514 | const char* name = rtems_trace_names (r); |
---|
515 | if (!rtems_trace_buffering_file_write (out, name, strlen (name) + 1)) |
---|
516 | { |
---|
517 | free (buf); |
---|
518 | close (out); |
---|
519 | return 1; |
---|
520 | } |
---|
521 | } |
---|
522 | |
---|
523 | /* |
---|
524 | * The trace signatures. |
---|
525 | */ |
---|
526 | for (r = 0; r < traces; ++r) |
---|
527 | { |
---|
528 | const rtems_trace_sig* sig = rtems_trace_signatures (r); |
---|
529 | size_t s; |
---|
530 | |
---|
531 | in = buf; |
---|
532 | |
---|
533 | memcpy (in, &sig->argc, sizeof (sig->argc)); |
---|
534 | in += sizeof(uint32_t); |
---|
535 | |
---|
536 | for (s = 0; s < sig->argc; ++s) |
---|
537 | { |
---|
538 | const rtems_trace_sig_arg* arg = &sig->args[s]; |
---|
539 | size_t arg_len = strlen (arg->type) + 1; |
---|
540 | |
---|
541 | if ((in - buf) > SAVE_BUF_SIZE) |
---|
542 | { |
---|
543 | printf ("error: save temp buffer to small\n"); |
---|
544 | free (buf); |
---|
545 | close (out); |
---|
546 | return 1; |
---|
547 | } |
---|
548 | |
---|
549 | memcpy (in, &arg->size, sizeof (arg->size)); |
---|
550 | in += sizeof(uint32_t); |
---|
551 | memcpy (in, arg->type, arg_len); |
---|
552 | in += arg_len; |
---|
553 | } |
---|
554 | |
---|
555 | if (!rtems_trace_buffering_file_write (out, buf, in - buf)) |
---|
556 | { |
---|
557 | free (buf); |
---|
558 | close (out); |
---|
559 | return 1; |
---|
560 | } |
---|
561 | } |
---|
562 | |
---|
563 | free (buf); |
---|
564 | |
---|
565 | buffer = (uint8_t*) trace_buffer; |
---|
566 | length = records * sizeof (uint32_t); |
---|
567 | |
---|
568 | while (length) |
---|
569 | { |
---|
570 | ssize_t w = write (out, buffer, length); |
---|
571 | if (w < 0) |
---|
572 | { |
---|
573 | printf ("error: write failed: %s\n", strerror(errno)); |
---|
574 | close (out); |
---|
575 | return 1; |
---|
576 | } |
---|
577 | if (w == 0) |
---|
578 | { |
---|
579 | printf ("error: write failed: EOF\n"); |
---|
580 | close (out); |
---|
581 | return 1; |
---|
582 | } |
---|
583 | |
---|
584 | length -= w; |
---|
585 | buffer += w; |
---|
586 | } |
---|
587 | |
---|
588 | close (out); |
---|
589 | |
---|
590 | return 0; |
---|
591 | } |
---|
592 | |
---|
593 | static void |
---|
594 | rtems_trace_buffering_shell_usage (const char* arg) |
---|
595 | { |
---|
596 | printf ("%s: Trace Buffer Help\n", arg); |
---|
597 | printf (" %s [-hl] <command>\n", arg); |
---|
598 | printf (" where:\n"); |
---|
599 | printf (" command: The TBG subcommand. See -l for a list plus help.\n"); |
---|
600 | printf (" -h: This help\n"); |
---|
601 | printf (" -l: The command list.\n"); |
---|
602 | } |
---|
603 | |
---|
604 | static const rtems_trace_buffering_shell_cmd_t table[] = |
---|
605 | { |
---|
606 | { |
---|
607 | "status", |
---|
608 | rtems_trace_buffering_shell_status, |
---|
609 | " : Show the current status" |
---|
610 | }, |
---|
611 | { |
---|
612 | "funcs", |
---|
613 | rtems_trace_buffering_shell_funcs, |
---|
614 | " : List the trace functions" |
---|
615 | }, |
---|
616 | { |
---|
617 | "start", |
---|
618 | rtems_trace_buffering_shell_start, |
---|
619 | " : Start or restart tracing" |
---|
620 | }, |
---|
621 | { |
---|
622 | "stop", |
---|
623 | rtems_trace_buffering_shell_stop, |
---|
624 | " : Stop tracing" |
---|
625 | }, |
---|
626 | { |
---|
627 | "resume", |
---|
628 | rtems_trace_buffering_shell_resume, |
---|
629 | " : Resume tracing." |
---|
630 | }, |
---|
631 | { |
---|
632 | "trace", |
---|
633 | rtems_trace_buffering_shell_trace, |
---|
634 | " [start] [end/+length] : List the current trace records" |
---|
635 | }, |
---|
636 | { |
---|
637 | "save", |
---|
638 | rtems_trace_buffering_shell_save, |
---|
639 | " file : Save the trace buffer to a file" |
---|
640 | }, |
---|
641 | }; |
---|
642 | |
---|
643 | #define RTEMS_TRACE_BUFFERING_COMMANDS \ |
---|
644 | (sizeof (table) / sizeof (const rtems_trace_buffering_shell_cmd_t)) |
---|
645 | |
---|
646 | static int |
---|
647 | rtems_shell_main_rtrace (int argc, char* argv[]) |
---|
648 | { |
---|
649 | int arg; |
---|
650 | size_t t; |
---|
651 | |
---|
652 | for (arg = 1; arg < argc; arg++) |
---|
653 | { |
---|
654 | if (argv[arg][0] != '-') |
---|
655 | break; |
---|
656 | |
---|
657 | switch (argv[arg][1]) |
---|
658 | { |
---|
659 | case 'h': |
---|
660 | rtems_trace_buffering_shell_usage (argv[0]); |
---|
661 | return 0; |
---|
662 | case 'l': |
---|
663 | printf ("%s: commands are:\n", argv[0]); |
---|
664 | for (t = 0; t < RTEMS_TRACE_BUFFERING_COMMANDS; ++t) |
---|
665 | printf (" %-7s %s\n", table[t].name, table[t].help); |
---|
666 | return 0; |
---|
667 | default: |
---|
668 | printf ("error: unknown option: %s\n", argv[arg]); |
---|
669 | return 1; |
---|
670 | } |
---|
671 | } |
---|
672 | |
---|
673 | if ((argc - arg) < 1) |
---|
674 | printf ("error: you need to provide a command, try %s -h\n", argv[0]); |
---|
675 | else |
---|
676 | { |
---|
677 | for (t = 0; t < RTEMS_TRACE_BUFFERING_COMMANDS; ++t) |
---|
678 | { |
---|
679 | if (strncmp (argv[arg], table[t].name, strlen (argv[arg])) == 0) |
---|
680 | { |
---|
681 | int r = table[t].handler (argc - arg, argv + 1); |
---|
682 | return r; |
---|
683 | } |
---|
684 | } |
---|
685 | printf ("error: command not found: %s (try -h)\n", argv[arg]); |
---|
686 | } |
---|
687 | |
---|
688 | return 1; |
---|
689 | } |
---|
690 | |
---|
691 | rtems_shell_cmd_t rtems_shell_RTRACE_Command = { |
---|
692 | "rtrace", /* name */ |
---|
693 | "rtrace [-l]", /* usage */ |
---|
694 | "misc", /* topic */ |
---|
695 | rtems_shell_main_rtrace, /* command */ |
---|
696 | NULL, /* alias */ |
---|
697 | NULL /* next */ |
---|
698 | }; |
---|