Commit | Line | Data |
---|---|---|
1fc22eb4 | 1 | /* |
863dc485 | 2 | * Copyright (C) 2013 Julien Desfossez |
1fc22eb4 JD |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License Version 2 as | |
6 | * published by the Free Software Foundation; | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
71bd7ce1 AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
1fc22eb4 JD |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
19 | #include <config.h> | |
20 | #include <stdio.h> | |
21 | #include <stdint.h> | |
22 | #include <babeltrace/babeltrace.h> | |
23 | #include <babeltrace/ctf/events.h> | |
24 | #include <babeltrace/ctf/callbacks.h> | |
3ba84bed | 25 | #include <babeltrace/ctf/iterator.h> |
1fc22eb4 JD |
26 | #include <fcntl.h> |
27 | #include <pthread.h> | |
28 | #include <popt.h> | |
29 | #include <stdlib.h> | |
30 | #include <ftw.h> | |
31 | #include <dirent.h> | |
32 | #include <ctype.h> | |
33 | #include <sys/stat.h> | |
34 | #include <unistd.h> | |
35 | #include <string.h> | |
36 | #include <errno.h> | |
37 | #include <sys/types.h> | |
38 | #include <fts.h> | |
85db4618 | 39 | #include <assert.h> |
16b22a0f | 40 | #include <sys/mman.h> |
54761a45 | 41 | #include <sys/wait.h> |
16b22a0f | 42 | #include <lttng/lttng.h> |
b1acd2b3 | 43 | #ifdef LTTNGTOP_MMAP_LIVE |
16b22a0f | 44 | #include <lttng/lttngtop-helper.h> |
c78f2cdc | 45 | #include <babeltrace/lttngtopmmappacketseek.h> |
b1acd2b3 JD |
46 | #include "mmap-live.h" |
47 | #endif /* LTTNGTOP_MMAP_LIVE */ | |
1fc22eb4 JD |
48 | |
49 | #include "lttngtoptypes.h" | |
50 | #include "cputop.h" | |
51 | #include "iostreamtop.h" | |
52 | #include "cursesdisplay.h" | |
53 | #include "common.h" | |
b1acd2b3 JD |
54 | #include "network-live.h" |
55 | ||
12a91e9d JD |
56 | #define NET_URL_PREFIX "net://" |
57 | #define NET4_URL_PREFIX "net4://" | |
58 | #define NET6_URL_PREFIX "net6://" | |
1fc22eb4 JD |
59 | |
60 | #define DEFAULT_FILE_ARRAY_SIZE 1 | |
61 | ||
62 | const char *opt_input_path; | |
12a91e9d JD |
63 | int opt_textdump; |
64 | int opt_child; | |
65 | int opt_begin; | |
796712db | 66 | int opt_all; |
1fc22eb4 | 67 | |
ae9e85c7 | 68 | int quit = 0; |
8fe4d0cf JD |
69 | /* We need at least one valid trace to start processing. */ |
70 | int valid_trace = 0; | |
ae9e85c7 | 71 | |
1fc22eb4 JD |
72 | struct lttngtop *copy; |
73 | pthread_t display_thread; | |
74 | pthread_t timer_thread; | |
75 | ||
76 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
77 | unsigned long last_display_update = 0; | |
863dc485 | 78 | unsigned long last_event_ts = 0; |
bca0e79c | 79 | struct syscall *last_syscall; |
1fc22eb4 | 80 | |
16b22a0f | 81 | /* list of FDs available for being read with snapshots */ |
b1acd2b3 | 82 | struct bt_mmap_stream_list mmap_list; |
16b22a0f JD |
83 | GPtrArray *lttng_consumer_stream_array; |
84 | int sessiond_metadata, consumerd_metadata; | |
4e6aeb3d JD |
85 | struct lttng_consumer_local_data *ctx = NULL; |
86 | /* list of snapshots currently not consumed */ | |
87 | GPtrArray *available_snapshots; | |
88 | sem_t metadata_available; | |
050f9cf9 | 89 | int reload_trace = 0; |
16b22a0f | 90 | |
010f485a JD |
91 | uint64_t prev_ts = 0; |
92 | ||
1fc22eb4 JD |
93 | enum { |
94 | OPT_NONE = 0, | |
95 | OPT_HELP, | |
6777529d | 96 | OPT_TEXTDUMP, |
32b70e07 JD |
97 | OPT_PID, |
98 | OPT_CHILD, | |
c8d75a13 | 99 | OPT_HOSTNAME, |
b1acd2b3 | 100 | OPT_RELAY_HOSTNAME, |
f16e36fc | 101 | OPT_KPROBES, |
3160c7a9 | 102 | OPT_BEGIN, |
796712db | 103 | OPT_ALL, |
09e7f98e JD |
104 | OPT_OUTPUT_FILE, |
105 | OPT_VERBOSE, | |
1fc22eb4 JD |
106 | }; |
107 | ||
108 | static struct poptOption long_options[] = { | |
109 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
110 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
6777529d | 111 | { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL }, |
32b70e07 | 112 | { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL }, |
3160c7a9 | 113 | { "begin", 'b', POPT_ARG_NONE, NULL, OPT_BEGIN, NULL, NULL }, |
57bff788 | 114 | { "pid", 'p', POPT_ARG_STRING, &opt_tid, OPT_PID, NULL, NULL }, |
c8d75a13 | 115 | { "hostname", 'n', POPT_ARG_STRING, &opt_hostname, OPT_HOSTNAME, NULL, NULL }, |
b1acd2b3 JD |
116 | { "relay-hostname", 'r', POPT_ARG_STRING, &opt_relay_hostname, |
117 | OPT_RELAY_HOSTNAME, NULL, NULL }, | |
f16e36fc | 118 | { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL }, |
796712db | 119 | { "all", 'a', POPT_ARG_NONE, NULL, OPT_ALL, NULL, NULL }, |
09e7f98e JD |
120 | { "output", 'o', POPT_ARG_STRING, &opt_output, OPT_OUTPUT_FILE, NULL, NULL }, |
121 | { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, | |
1fc22eb4 JD |
122 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
123 | }; | |
124 | ||
863dc485 | 125 | #ifdef LTTNGTOP_MMAP_LIVE |
24797198 JD |
126 | static void handle_textdump_sigterm(int signal) |
127 | { | |
128 | quit = 1; | |
129 | lttng_destroy_session("test"); | |
130 | } | |
863dc485 | 131 | #endif |
24797198 | 132 | |
1fc22eb4 JD |
133 | void *refresh_thread(void *p) |
134 | { | |
135 | while (1) { | |
ae9e85c7 JD |
136 | if (quit) { |
137 | sem_post(&pause_sem); | |
138 | sem_post(&timer); | |
1402044a | 139 | sem_post(&end_trace_sem); |
ae9e85c7 | 140 | sem_post(&goodtodisplay); |
1402044a | 141 | sem_post(&goodtoupdate); |
ae9e85c7 JD |
142 | pthread_exit(0); |
143 | } | |
1402044a | 144 | if (!opt_input_path) { |
b1acd2b3 JD |
145 | #ifdef LTTNGTOP_MMAP_LIVE |
146 | mmap_live_flush(mmap_list); | |
147 | #endif | |
1402044a | 148 | } |
1fc22eb4 JD |
149 | sem_wait(&pause_sem); |
150 | sem_post(&pause_sem); | |
151 | sem_post(&timer); | |
152 | sleep(refresh_display/NSEC_PER_SEC); | |
153 | } | |
154 | } | |
155 | ||
156 | void *ncurses_display(void *p) | |
157 | { | |
158 | unsigned int current_display_index = 0; | |
159 | ||
160 | sem_wait(&bootstrap); | |
b332d28f JD |
161 | /* |
162 | * Prevent the 1 second delay when we hit ESC | |
163 | */ | |
164 | ESCDELAY = 0; | |
1fc22eb4 JD |
165 | init_ncurses(); |
166 | ||
167 | while (1) { | |
168 | sem_wait(&timer); | |
169 | sem_wait(&goodtodisplay); | |
170 | sem_wait(&pause_sem); | |
171 | ||
ae9e85c7 | 172 | if (quit) { |
33572a17 JD |
173 | sem_post(&pause_sem); |
174 | sem_post(&timer); | |
ae9e85c7 JD |
175 | reset_ncurses(); |
176 | pthread_exit(0); | |
177 | } | |
178 | ||
1fc22eb4 | 179 | copy = g_ptr_array_index(copies, current_display_index); |
85db4618 JD |
180 | assert(copy); |
181 | display(current_display_index++); | |
1fc22eb4 JD |
182 | |
183 | sem_post(&goodtoupdate); | |
184 | sem_post(&pause_sem); | |
1fc22eb4 JD |
185 | } |
186 | } | |
187 | ||
08d1cfbe JD |
188 | void print_fields(struct bt_ctf_event *event, const char *procname, |
189 | int pid) | |
575cc4fd JD |
190 | { |
191 | unsigned int cnt, i; | |
b1acd2b3 JD |
192 | const struct bt_definition *const * list; |
193 | const struct bt_declaration *l; | |
194 | const struct bt_definition *scope; | |
575cc4fd JD |
195 | enum ctf_type_id type; |
196 | const char *str; | |
08d1cfbe JD |
197 | struct processtop *current_proc; |
198 | struct files *current_file; | |
199 | int fd, fd_value = -1; | |
575cc4fd JD |
200 | |
201 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS); | |
202 | ||
203 | bt_ctf_get_field_list(event, scope, &list, &cnt); | |
204 | for (i = 0; i < cnt; i++) { | |
205 | if (i != 0) | |
09e7f98e JD |
206 | fprintf(output, ", "); |
207 | fprintf(output, "%s = ", bt_ctf_field_name(list[i])); | |
9498e78c | 208 | l = bt_ctf_get_decl_from_def(list[i]); |
08d1cfbe JD |
209 | if (strncmp(bt_ctf_field_name(list[i]), "fd", 2) == 0) |
210 | fd = 1; | |
211 | else | |
212 | fd = 0; | |
9498e78c | 213 | type = bt_ctf_field_type(l); |
575cc4fd | 214 | if (type == CTF_TYPE_INTEGER) { |
08d1cfbe JD |
215 | if (bt_ctf_get_int_signedness(l) == 0) { |
216 | fd_value = bt_ctf_get_uint64(list[i]); | |
09e7f98e | 217 | fprintf(output, "%" PRIu64, bt_ctf_get_uint64(list[i])); |
08d1cfbe JD |
218 | } else { |
219 | fd_value = bt_ctf_get_int64(list[i]); | |
09e7f98e | 220 | fprintf(output, "%" PRId64, bt_ctf_get_int64(list[i])); |
08d1cfbe | 221 | } |
575cc4fd | 222 | } else if (type == CTF_TYPE_STRING) { |
09e7f98e | 223 | fprintf(output, "%s", bt_ctf_get_string(list[i])); |
575cc4fd JD |
224 | } else if (type == CTF_TYPE_ARRAY) { |
225 | str = bt_ctf_get_char_array(list[i]); | |
fbbda4da | 226 | if (!bt_ctf_field_get_error() && str) |
09e7f98e | 227 | fprintf(output, "%s", str); |
575cc4fd | 228 | } |
08d1cfbe JD |
229 | if (fd) { |
230 | current_proc = find_process_tid(<tngtop, pid, procname); | |
231 | if (!current_proc) | |
232 | continue; | |
233 | current_file = get_file(current_proc, fd_value); | |
234 | if (!current_file || !current_file->name) | |
235 | continue; | |
09e7f98e | 236 | fprintf(output, "<%s>", current_file->name); |
08d1cfbe | 237 | } |
575cc4fd JD |
238 | } |
239 | } | |
240 | ||
6112d0d4 JD |
241 | /* |
242 | * hook on each event to check the timestamp and refresh the display if | |
243 | * necessary | |
244 | */ | |
bca0e79c | 245 | enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data) |
6112d0d4 JD |
246 | { |
247 | unsigned long timestamp; | |
010f485a | 248 | uint64_t delta; |
6112d0d4 | 249 | struct tm start; |
b520ab45 | 250 | uint64_t ts_nsec_start; |
bca0e79c | 251 | int pid, cpu_id, tid, ret, lookup, current_syscall = 0; |
b1acd2b3 | 252 | const struct bt_definition *scope; |
575cc4fd | 253 | const char *hostname, *procname; |
1d74c4d1 JD |
254 | struct cputime *cpu; |
255 | char *from_syscall = NULL; | |
6112d0d4 | 256 | |
6112d0d4 JD |
257 | timestamp = bt_ctf_get_timestamp(call_data); |
258 | ||
863dc485 JD |
259 | /* can happen in network live when tracing is idle */ |
260 | if (timestamp < last_event_ts) | |
261 | goto end_stop; | |
262 | ||
263 | last_event_ts = timestamp; | |
264 | ||
b520ab45 | 265 | start = format_timestamp(timestamp); |
6112d0d4 JD |
266 | ts_nsec_start = timestamp % NSEC_PER_SEC; |
267 | ||
32b70e07 | 268 | pid = get_context_pid(call_data); |
57bff788 | 269 | if (pid == -1ULL && opt_tid) { |
32b70e07 JD |
270 | goto error; |
271 | } | |
b0135e60 JD |
272 | |
273 | tid = get_context_tid(call_data); | |
32b70e07 | 274 | |
c8d75a13 | 275 | hostname = get_context_hostname(call_data); |
a15e6a10 JD |
276 | if (opt_child) |
277 | lookup = pid; | |
278 | else | |
279 | lookup = tid; | |
54761a45 | 280 | if (opt_tid || opt_hostname || opt_exec_name) { |
a15e6a10 | 281 | if (!lookup_filter_tid_list(lookup)) { |
b301de1a JD |
282 | /* To display when a process of ours in getting scheduled in */ |
283 | if (strcmp(bt_ctf_event_name(call_data), "sched_switch") == 0) { | |
284 | int next_tid; | |
285 | ||
286 | scope = bt_ctf_get_top_level_scope(call_data, | |
287 | BT_EVENT_FIELDS); | |
288 | next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
289 | scope, "_next_tid")); | |
290 | if (bt_ctf_field_get_error()) { | |
291 | fprintf(stderr, "Missing next_tid field\n"); | |
292 | goto error; | |
293 | } | |
294 | if (!lookup_filter_tid_list(next_tid)) { | |
796712db JD |
295 | if (!opt_all) |
296 | goto end; | |
297 | } else { | |
298 | if (opt_all) | |
09e7f98e | 299 | fprintf(output, "%c[1m", 27); |
b301de1a | 300 | } |
796712db | 301 | } else if (!opt_all) { |
b301de1a JD |
302 | goto end; |
303 | } | |
796712db JD |
304 | } else { |
305 | if (opt_all) | |
09e7f98e | 306 | fprintf(output, "%c[1m", 27); |
b301de1a JD |
307 | } |
308 | } | |
da4353bb | 309 | |
bca0e79c JD |
310 | if (last_syscall && (strncmp(bt_ctf_event_name(call_data), |
311 | "exit_syscall", 12)) != 0) { | |
312 | last_syscall = NULL; | |
09e7f98e | 313 | fprintf(output, " ...interrupted...\n"); |
bca0e79c JD |
314 | } |
315 | ||
575cc4fd JD |
316 | cpu_id = get_cpu_id(call_data); |
317 | procname = get_context_comm(call_data); | |
1d74c4d1 JD |
318 | if (strncmp(bt_ctf_event_name(call_data), "sys_", 4) == 0) { |
319 | cpu = get_cpu(cpu_id); | |
320 | cpu->current_syscall = g_new0(struct syscall, 1); | |
321 | cpu->current_syscall->name = strdup(bt_ctf_event_name(call_data)); | |
322 | cpu->current_syscall->ts_start = timestamp; | |
bca0e79c JD |
323 | cpu->current_syscall->cpu_id = cpu_id; |
324 | last_syscall = cpu->current_syscall; | |
325 | current_syscall = 1; | |
1d74c4d1 JD |
326 | } else if ((strncmp(bt_ctf_event_name(call_data), "exit_syscall", 12)) == 0) { |
327 | struct tm start_ts; | |
328 | ||
bca0e79c JD |
329 | /* Return code of a syscall if it was the last displayed event. */ |
330 | if (last_syscall && last_syscall->ts_start == prev_ts) { | |
331 | if (last_syscall->cpu_id == cpu_id) { | |
332 | int64_t syscall_ret; | |
333 | ||
334 | delta = timestamp - last_syscall->ts_start; | |
335 | scope = bt_ctf_get_top_level_scope(call_data, | |
336 | BT_EVENT_FIELDS); | |
337 | syscall_ret = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
338 | scope, "_ret")); | |
339 | ||
09e7f98e | 340 | fprintf(output, "= %" PRId64 " (%" PRIu64 ".%09" PRIu64 "s)\n", |
bca0e79c JD |
341 | syscall_ret, delta / NSEC_PER_SEC, |
342 | delta % NSEC_PER_SEC); | |
343 | last_syscall = NULL; | |
344 | goto end; | |
345 | } else { | |
346 | last_syscall = NULL; | |
09e7f98e | 347 | fprintf(output, " ...interrupted...\n"); |
bca0e79c JD |
348 | } |
349 | } | |
350 | ||
1d74c4d1 JD |
351 | cpu = get_cpu(cpu_id); |
352 | if (cpu->current_syscall) { | |
353 | delta = timestamp - cpu->current_syscall->ts_start; | |
354 | start_ts = format_timestamp(cpu->current_syscall->ts_start); | |
54761a45 | 355 | ret = asprintf(&from_syscall, " [from %02d:%02d:%02d.%09" PRIu64 |
bca0e79c | 356 | " (+%" PRIu64 ".%09" PRIu64 ") (cpu %d) %s]", |
1d74c4d1 JD |
357 | start_ts.tm_hour, start_ts.tm_min, start_ts.tm_sec, |
358 | cpu->current_syscall->ts_start % NSEC_PER_SEC, | |
359 | delta / NSEC_PER_SEC, delta % NSEC_PER_SEC, | |
360 | cpu_id, cpu->current_syscall->name); | |
54761a45 JD |
361 | if (ret < 0) { |
362 | goto error; | |
363 | } | |
1d74c4d1 JD |
364 | free(cpu->current_syscall->name); |
365 | g_free(cpu->current_syscall); | |
366 | cpu->current_syscall = NULL; | |
bca0e79c | 367 | last_syscall = NULL; |
1d74c4d1 JD |
368 | } |
369 | } | |
370 | ||
010f485a JD |
371 | if (prev_ts == 0) |
372 | prev_ts = timestamp; | |
373 | delta = timestamp - prev_ts; | |
374 | prev_ts = timestamp; | |
575cc4fd | 375 | |
09e7f98e | 376 | fprintf(output, "%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") %s%s" |
4251cc67 JD |
377 | "(cpu %d) [%s (%d/%d)] %s (", |
378 | start.tm_hour, start.tm_min, start.tm_sec, | |
379 | ts_nsec_start, delta / NSEC_PER_SEC, | |
380 | delta % NSEC_PER_SEC, (hostname) ? hostname : "", | |
381 | (hostname) ? " ": "", cpu_id, procname, pid, tid, | |
382 | bt_ctf_event_name(call_data)); | |
08d1cfbe | 383 | print_fields(call_data, procname, pid); |
09e7f98e | 384 | fprintf(output, ")%s%c", (from_syscall) ? from_syscall : "", |
08d1cfbe | 385 | (!current_syscall) ? '\n' : ' '); |
1d74c4d1 JD |
386 | |
387 | free(from_syscall); | |
08d1cfbe | 388 | if (opt_all && (opt_tid || opt_hostname || opt_exec_name)) |
09e7f98e | 389 | fprintf(output, "%c[0m", 27); |
6112d0d4 | 390 | |
32b70e07 | 391 | end: |
6112d0d4 | 392 | return BT_CB_OK; |
32b70e07 JD |
393 | error: |
394 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
395 | end_stop: |
396 | return BT_CB_OK_STOP; | |
6112d0d4 JD |
397 | } |
398 | ||
246d5992 JD |
399 | enum bt_cb_ret handle_kprobes(struct bt_ctf_event *call_data, void *private_data) |
400 | { | |
401 | int i; | |
402 | struct kprobes *kprobe; | |
403 | ||
404 | /* for kprobes */ | |
405 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
406 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
407 | if (strcmp(bt_ctf_event_name(call_data), kprobe->probe_name) == 0) { | |
408 | kprobe->count++; | |
409 | } | |
410 | } | |
411 | ||
412 | return BT_CB_OK; | |
413 | } | |
414 | ||
1fc22eb4 JD |
415 | /* |
416 | * hook on each event to check the timestamp and refresh the display if | |
417 | * necessary | |
418 | */ | |
4adc8274 | 419 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
420 | { |
421 | unsigned long timestamp; | |
422 | ||
c78f2cdc | 423 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
424 | if (timestamp == -1ULL) |
425 | goto error; | |
426 | ||
863dc485 JD |
427 | /* can happen in network live when tracing is idle */ |
428 | if (timestamp < last_event_ts) | |
429 | goto end_stop; | |
430 | ||
431 | last_event_ts = timestamp; | |
432 | ||
1fc22eb4 JD |
433 | if (last_display_update == 0) |
434 | last_display_update = timestamp; | |
435 | ||
436 | if (timestamp - last_display_update >= refresh_display) { | |
437 | sem_wait(&goodtoupdate); | |
438 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
439 | timestamp)); | |
440 | sem_post(&goodtodisplay); | |
441 | sem_post(&bootstrap); | |
442 | last_display_update = timestamp; | |
443 | } | |
444 | return BT_CB_OK; | |
445 | ||
446 | error: | |
447 | fprintf(stderr, "check_timestamp callback error\n"); | |
448 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
449 | |
450 | end_stop: | |
451 | return BT_CB_OK_STOP; | |
1fc22eb4 JD |
452 | } |
453 | ||
454 | /* | |
455 | * get_perf_counter : get or create and return a perf_counter struct for | |
456 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
457 | */ | |
458 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
459 | struct cputime *cpu) | |
460 | { | |
bb6d72a2 | 461 | struct perfcounter *ret; |
1fc22eb4 JD |
462 | GHashTable *table; |
463 | ||
464 | if (proc) | |
465 | table = proc->perf; | |
466 | else if (cpu) | |
467 | table = cpu->perf; | |
468 | else | |
469 | goto error; | |
470 | ||
471 | ret = g_hash_table_lookup(table, (gpointer) name); | |
472 | if (ret) | |
473 | goto end; | |
474 | ||
559c9f86 | 475 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
476 | /* by default, make it visible in the UI */ |
477 | ret->visible = 1; | |
85db4618 | 478 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 479 | |
1fc22eb4 JD |
480 | end: |
481 | return ret; | |
482 | ||
483 | error: | |
484 | return NULL; | |
485 | } | |
486 | ||
487 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
488 | const char *name, int value) | |
489 | { | |
490 | struct perfcounter *cpu_perf, *process_perf; | |
491 | ||
492 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
493 | if (cpu_perf->count < value) { | |
494 | process_perf = get_perf_counter(name, proc, NULL); | |
495 | process_perf->count += value - cpu_perf->count; | |
496 | cpu_perf->count = value; | |
497 | } | |
498 | } | |
499 | ||
4adc8274 | 500 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 501 | const struct bt_definition *scope, |
1fc22eb4 JD |
502 | struct processtop *proc, |
503 | struct cputime *cpu) | |
504 | { | |
2e0a1190 JD |
505 | struct bt_definition const * const *list = NULL; |
506 | const struct bt_definition *field; | |
1fc22eb4 | 507 | unsigned int count; |
bb6d72a2 JD |
508 | struct perfcounter *perfcounter; |
509 | GHashTableIter iter; | |
510 | gpointer key; | |
511 | int ret; | |
1fc22eb4 JD |
512 | |
513 | if (!scope) | |
514 | goto end; | |
515 | ||
516 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
517 | if (ret < 0) | |
518 | goto end; | |
519 | ||
bb6d72a2 JD |
520 | if (count == 0) |
521 | goto end; | |
522 | ||
523 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
524 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
525 | field = bt_ctf_get_field(event, scope, (char *) key); | |
526 | if (field) { | |
527 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
528 | if (bt_ctf_field_get_error()) |
529 | continue; | |
bb6d72a2 | 530 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
531 | } |
532 | } | |
533 | ||
534 | end: | |
535 | return; | |
536 | } | |
537 | ||
4adc8274 | 538 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 539 | { |
1fc22eb4 | 540 | struct cputime *cpu; |
2e0a1190 | 541 | const struct bt_definition *scope; |
1fc22eb4 | 542 | |
d67167cd | 543 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
544 | |
545 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
546 | extract_perf_counter_scope(event, scope, proc, cpu); | |
547 | ||
548 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
549 | extract_perf_counter_scope(event, scope, proc, cpu); | |
550 | ||
551 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
552 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
553 | } |
554 | ||
4adc8274 | 555 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
556 | void *private_data) |
557 | { | |
1402044a | 558 | int pid, tid, ppid, vpid, vtid, vppid; |
c8d75a13 | 559 | char *comm, *hostname; |
1fc22eb4 | 560 | struct processtop *parent, *child; |
1fc22eb4 JD |
561 | unsigned long timestamp; |
562 | ||
c78f2cdc | 563 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
564 | if (timestamp == -1ULL) |
565 | goto error; | |
566 | ||
1dec520a JD |
567 | pid = get_context_pid(call_data); |
568 | if (pid == -1ULL) { | |
1fc22eb4 JD |
569 | goto error; |
570 | } | |
96aa77de | 571 | |
1dec520a JD |
572 | tid = get_context_tid(call_data); |
573 | if (tid == -1ULL) { | |
1fc22eb4 JD |
574 | goto error; |
575 | } | |
1dec520a JD |
576 | ppid = get_context_ppid(call_data); |
577 | if (ppid == -1ULL) { | |
8fe4d0cf | 578 | goto end; |
1fc22eb4 | 579 | } |
1402044a JD |
580 | vpid = get_context_vpid(call_data); |
581 | if (pid == -1ULL) { | |
582 | vpid = -1; | |
583 | } | |
584 | vtid = get_context_vtid(call_data); | |
585 | if (tid == -1ULL) { | |
586 | vtid = -1; | |
587 | } | |
588 | vppid = get_context_vppid(call_data); | |
589 | if (ppid == -1ULL) { | |
590 | vppid = -1; | |
591 | } | |
1dec520a JD |
592 | comm = get_context_comm(call_data); |
593 | if (!comm) { | |
1fc22eb4 JD |
594 | goto error; |
595 | } | |
c8d75a13 JD |
596 | /* optional */ |
597 | hostname = get_context_hostname(call_data); | |
1fc22eb4 JD |
598 | |
599 | /* find or create the current process */ | |
600 | child = find_process_tid(<tngtop, tid, comm); | |
601 | if (!child) | |
906c08f6 | 602 | child = add_proc(<tngtop, tid, comm, timestamp, hostname); |
96aa77de JD |
603 | if (!child) |
604 | goto end; | |
c8d75a13 | 605 | update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm, hostname); |
1fc22eb4 JD |
606 | |
607 | if (pid != tid) { | |
608 | /* find or create the parent */ | |
609 | parent = find_process_tid(<tngtop, pid, comm); | |
610 | if (!parent) { | |
906c08f6 | 611 | parent = add_proc(<tngtop, pid, comm, timestamp, hostname); |
96aa77de JD |
612 | if (parent) |
613 | parent->pid = pid; | |
1fc22eb4 JD |
614 | } |
615 | ||
616 | /* attach the parent to the current process */ | |
617 | child->threadparent = parent; | |
618 | add_thread(parent, child); | |
619 | } | |
620 | ||
621 | update_perf_counter(child, call_data); | |
622 | ||
96aa77de | 623 | end: |
1fc22eb4 JD |
624 | return BT_CB_OK; |
625 | ||
626 | error: | |
627 | return BT_CB_ERROR_STOP; | |
628 | } | |
629 | ||
630 | void init_lttngtop() | |
631 | { | |
632 | copies = g_ptr_array_new(); | |
0d91c12a | 633 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
da4353bb | 634 | global_filter_list = g_hash_table_new(g_str_hash, g_str_equal); |
114cae59 | 635 | global_host_list = g_hash_table_new(g_str_hash, g_str_equal); |
54761a45 JD |
636 | tid_filter_list = g_hash_table_new(g_str_hash, |
637 | g_str_equal); | |
1fc22eb4 JD |
638 | |
639 | sem_init(&goodtodisplay, 0, 0); | |
640 | sem_init(&goodtoupdate, 0, 1); | |
641 | sem_init(&timer, 0, 1); | |
642 | sem_init(&bootstrap, 0, 0); | |
643 | sem_init(&pause_sem, 0, 1); | |
644 | sem_init(&end_trace_sem, 0, 0); | |
645 | ||
e05a35a6 JD |
646 | reset_global_counters(); |
647 | lttngtop.nbproc = 0; | |
648 | lttngtop.nbthreads = 0; | |
649 | lttngtop.nbfiles = 0; | |
650 | ||
30b646c4 JD |
651 | lttngtop.process_hash_table = g_hash_table_new(g_direct_hash, |
652 | g_direct_equal); | |
1fc22eb4 JD |
653 | lttngtop.process_table = g_ptr_array_new(); |
654 | lttngtop.files_table = g_ptr_array_new(); | |
655 | lttngtop.cpu_table = g_ptr_array_new(); | |
da4353bb JD |
656 | |
657 | toggle_filter = -1; | |
1fc22eb4 JD |
658 | } |
659 | ||
c263c4eb | 660 | void usage(FILE *fp) |
1fc22eb4 | 661 | { |
c263c4eb | 662 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
d2f1452b JD |
663 | fprintf(fp, "Usage : lttngtop [OPTIONS] TRACE\n"); |
664 | fprintf(fp, " TRACE Path to the trace to analyse (-r for network live tracing, nothing for mmap live streaming)\n"); | |
c8d75a13 JD |
665 | fprintf(fp, " -h, --help This help message\n"); |
666 | fprintf(fp, " -t, --textdump Display live events in text-only\n"); | |
667 | fprintf(fp, " -p, --pid Comma-separated list of PIDs to display\n"); | |
668 | fprintf(fp, " -f, --child Follow threads associated with selected PIDs\n"); | |
669 | fprintf(fp, " -n, --hostname Comma-separated list of hostnames to display (require hostname context in trace)\n"); | |
796712db | 670 | fprintf(fp, " -a, --all In textdump mode, display all events but write in bold the processes we are interested in (-f, -p and -n)\n"); |
241ba90a | 671 | fprintf(fp, " -k, --kprobes Comma-separated list of kprobes to insert (same format as lttng enable-event)\n"); |
bab469fc JD |
672 | fprintf(fp, " -r, --relay-hostname Network live streaming : hostname of the lttng-relayd (default port)\n"); |
673 | fprintf(fp, " -b, --begin Network live streaming : read the trace for the beginning of the recording\n"); | |
09e7f98e | 674 | fprintf(fp, " -o, --output <filename> In textdump, output the log in <filename>\n"); |
1fc22eb4 JD |
675 | } |
676 | ||
f16e36fc JD |
677 | /* |
678 | * Parse probe options. | |
679 | * Shamelessly stolen from lttng-tools : | |
680 | * src/bin/lttng/commands/enable_events.c | |
681 | */ | |
682 | static struct kprobes *parse_probe_opts(char *opt) | |
683 | { | |
684 | char s_hex[19]; | |
685 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
686 | struct kprobes *kprobe; | |
687 | int ret; | |
688 | ||
689 | /* | |
690 | kprobe->probe_addr = 0; | |
691 | kprobe->probe_offset = 0; | |
692 | asprintf(&kprobe->probe_name, "probe_sys_open"); | |
693 | asprintf(&kprobe->symbol_name, "sys_open"); | |
694 | */ | |
695 | ||
696 | if (opt == NULL) { | |
697 | kprobe = NULL; | |
698 | goto end; | |
699 | } | |
700 | ||
701 | kprobe = g_new0(struct kprobes, 1); | |
702 | ||
703 | /* Check for symbol+offset */ | |
704 | ret = sscanf(opt, "%[^'+']+%s", name, s_hex); | |
705 | if (ret == 2) { | |
b1acd2b3 JD |
706 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
707 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
708 | |
709 | if (strlen(s_hex) == 0) { | |
710 | fprintf(stderr, "Invalid probe offset %s", s_hex); | |
711 | ret = -1; | |
712 | goto end; | |
713 | } | |
714 | kprobe->probe_offset = strtoul(s_hex, NULL, 0); | |
715 | kprobe->probe_addr = 0; | |
716 | goto end; | |
717 | } | |
718 | ||
719 | /* Check for symbol */ | |
720 | if (isalpha(name[0])) { | |
721 | ret = sscanf(opt, "%s", name); | |
722 | if (ret == 1) { | |
b1acd2b3 JD |
723 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
724 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
725 | kprobe->probe_offset = 0; |
726 | kprobe->probe_addr = 0; | |
727 | goto end; | |
728 | } | |
729 | } | |
730 | ||
731 | /* Check for address */ | |
732 | ret = sscanf(opt, "%s", s_hex); | |
733 | if (ret > 0) { | |
734 | if (strlen(s_hex) == 0) { | |
735 | fprintf(stderr, "Invalid probe address %s", s_hex); | |
736 | ret = -1; | |
737 | goto end; | |
738 | } | |
b1acd2b3 | 739 | ret = asprintf(&kprobe->probe_name, "probe_%s", s_hex); |
f16e36fc JD |
740 | kprobe->probe_offset = 0; |
741 | kprobe->probe_addr = strtoul(s_hex, NULL, 0); | |
742 | goto end; | |
743 | } | |
744 | ||
745 | /* No match */ | |
746 | kprobe = NULL; | |
747 | ||
748 | end: | |
749 | return kprobe; | |
750 | } | |
751 | ||
1fc22eb4 JD |
752 | /* |
753 | * Return 0 if caller should continue, < 0 if caller should return | |
754 | * error, > 0 if caller should exit without reporting error. | |
755 | */ | |
756 | static int parse_options(int argc, char **argv) | |
757 | { | |
758 | poptContext pc; | |
759 | int opt, ret = 0; | |
57bff788 JD |
760 | char *tmp_str; |
761 | int *tid; | |
54761a45 | 762 | int i; |
1fc22eb4 | 763 | |
b1acd2b3 JD |
764 | remote_live = 0; |
765 | ||
1fc22eb4 JD |
766 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
767 | poptReadDefaultConfig(pc, 0); | |
768 | ||
769 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
770 | switch (opt) { | |
771 | case OPT_HELP: | |
772 | usage(stdout); | |
773 | ret = 1; /* exit cleanly */ | |
774 | goto end; | |
6777529d JD |
775 | case OPT_TEXTDUMP: |
776 | opt_textdump = 1; | |
32b70e07 | 777 | break; |
796712db JD |
778 | case OPT_ALL: |
779 | opt_all = 1; | |
780 | break; | |
32b70e07 | 781 | case OPT_CHILD: |
32b70e07 JD |
782 | opt_child = 1; |
783 | break; | |
784 | case OPT_PID: | |
da4353bb | 785 | toggle_filter = 1; |
57bff788 JD |
786 | tmp_str = strtok(opt_tid, ","); |
787 | while (tmp_str) { | |
788 | tid = malloc(sizeof(int)); | |
789 | *tid = atoi(tmp_str); | |
ea5d1dc9 | 790 | g_hash_table_insert(tid_filter_list, |
c8d75a13 JD |
791 | (gpointer) tid, tid); |
792 | tmp_str = strtok(NULL, ","); | |
793 | } | |
794 | break; | |
3160c7a9 JD |
795 | case OPT_BEGIN: |
796 | /* start reading the live trace from the beginning */ | |
797 | opt_begin = 1; | |
798 | break; | |
c8d75a13 | 799 | case OPT_HOSTNAME: |
da4353bb | 800 | toggle_filter = 1; |
c8d75a13 JD |
801 | tmp_str = strtok(opt_hostname, ","); |
802 | while (tmp_str) { | |
467097ac | 803 | add_hostname_list(tmp_str, 1); |
57bff788 JD |
804 | tmp_str = strtok(NULL, ","); |
805 | } | |
32b70e07 | 806 | break; |
b1acd2b3 JD |
807 | case OPT_RELAY_HOSTNAME: |
808 | remote_live = 1; | |
809 | break; | |
f16e36fc JD |
810 | case OPT_KPROBES: |
811 | lttngtop.kprobes_table = g_ptr_array_new(); | |
812 | tmp_str = strtok(opt_kprobes, ","); | |
813 | while (tmp_str) { | |
814 | struct kprobes *kprobe; | |
815 | ||
816 | kprobe = parse_probe_opts(tmp_str); | |
817 | if (kprobe) { | |
818 | g_ptr_array_add( | |
819 | lttngtop.kprobes_table, | |
820 | kprobe); | |
821 | } else { | |
822 | ret = -EINVAL; | |
823 | goto end; | |
824 | } | |
825 | tmp_str = strtok(NULL, ","); | |
826 | } | |
827 | break; | |
09e7f98e JD |
828 | case OPT_OUTPUT_FILE: |
829 | break; | |
830 | case OPT_VERBOSE: | |
831 | babeltrace_verbose = 1; | |
832 | break; | |
1fc22eb4 JD |
833 | default: |
834 | ret = -EINVAL; | |
835 | goto end; | |
836 | } | |
837 | } | |
838 | ||
54761a45 JD |
839 | opt_exec_name = NULL; |
840 | opt_exec_argv = NULL; | |
841 | for (i = 0; i < argc; i++) { | |
842 | if (argv[i][0] == '-' && argv[i][1] == '-') { | |
843 | opt_exec_name = argv[i + 1]; | |
844 | opt_exec_argv = &argv[i + 1]; | |
845 | break; | |
846 | } | |
847 | } | |
848 | if (!opt_exec_name) { | |
849 | opt_input_path = poptGetArg(pc); | |
850 | } | |
09e7f98e JD |
851 | if (!opt_output) { |
852 | opt_output = strdup("/dev/stdout"); | |
853 | } | |
854 | output = fopen(opt_output, "w"); | |
855 | if (!output) { | |
856 | perror("Error opening output file"); | |
857 | ret = -1; | |
858 | goto end; | |
859 | } | |
16b22a0f | 860 | |
1fc22eb4 JD |
861 | end: |
862 | if (pc) { | |
863 | poptFreeContext(pc); | |
864 | } | |
865 | return ret; | |
866 | } | |
867 | ||
868 | void iter_trace(struct bt_context *bt_ctx) | |
869 | { | |
870 | struct bt_ctf_iter *iter; | |
871 | struct bt_iter_pos begin_pos; | |
246d5992 | 872 | struct kprobes *kprobe; |
4adc8274 | 873 | const struct bt_ctf_event *event; |
246d5992 | 874 | int i; |
1fc22eb4 JD |
875 | int ret = 0; |
876 | ||
877 | begin_pos.type = BT_SEEK_BEGIN; | |
878 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
879 | ||
da4353bb JD |
880 | /* at each event, verify the status of the process table */ |
881 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
882 | fix_process_table, | |
883 | NULL, NULL, NULL); | |
6e11e0d0 JD |
884 | /* to handle the follow child option */ |
885 | bt_ctf_iter_add_callback(iter, | |
886 | g_quark_from_static_string("sched_process_fork"), | |
887 | NULL, 0, handle_sched_process_fork, NULL, NULL, NULL); | |
54761a45 JD |
888 | /* to clean up the process table */ |
889 | bt_ctf_iter_add_callback(iter, | |
890 | g_quark_from_static_string("sched_process_free"), | |
891 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
08d1cfbe JD |
892 | /* to get all the process from the statedumps */ |
893 | bt_ctf_iter_add_callback(iter, | |
894 | g_quark_from_static_string( | |
895 | "lttng_statedump_process_state"), | |
896 | NULL, 0, handle_statedump_process_state, | |
897 | NULL, NULL, NULL); | |
898 | bt_ctf_iter_add_callback(iter, | |
899 | g_quark_from_static_string( | |
900 | "lttng_statedump_file_descriptor"), | |
901 | NULL, 0, handle_statedump_file_descriptor, | |
902 | NULL, NULL, NULL); | |
903 | bt_ctf_iter_add_callback(iter, | |
904 | g_quark_from_static_string("sys_open"), | |
905 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
906 | bt_ctf_iter_add_callback(iter, | |
907 | g_quark_from_static_string("sys_close"), | |
908 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
909 | bt_ctf_iter_add_callback(iter, | |
910 | g_quark_from_static_string("exit_syscall"), | |
911 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
6777529d JD |
912 | if (opt_textdump) { |
913 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
bca0e79c | 914 | textdump, |
6777529d JD |
915 | NULL, NULL, NULL); |
916 | } else { | |
917 | /* at each event check if we need to refresh */ | |
918 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
919 | check_timestamp, | |
920 | NULL, NULL, NULL); | |
6777529d JD |
921 | /* to handle the scheduling events */ |
922 | bt_ctf_iter_add_callback(iter, | |
923 | g_quark_from_static_string("sched_switch"), | |
924 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
6777529d | 925 | /* for IO top */ |
6777529d JD |
926 | bt_ctf_iter_add_callback(iter, |
927 | g_quark_from_static_string("sys_write"), | |
928 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
929 | bt_ctf_iter_add_callback(iter, | |
930 | g_quark_from_static_string("sys_read"), | |
931 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
246d5992 JD |
932 | |
933 | /* for kprobes */ | |
da4353bb JD |
934 | if (lttngtop.kprobes_table) { |
935 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
936 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
937 | bt_ctf_iter_add_callback(iter, | |
938 | g_quark_from_static_string( | |
939 | kprobe->probe_name), | |
940 | NULL, 0, handle_kprobes, | |
941 | NULL, NULL, NULL); | |
942 | } | |
246d5992 | 943 | } |
6777529d JD |
944 | } |
945 | ||
54761a45 JD |
946 | if (opt_exec_name) { |
947 | pid_t pid; | |
948 | ||
949 | pid = fork(); | |
950 | if (pid == 0) { | |
951 | execvpe(opt_exec_name, opt_exec_argv, opt_exec_env); | |
952 | exit(EXIT_SUCCESS); | |
953 | } else if (pid > 0) { | |
954 | opt_exec_pid = pid; | |
955 | g_hash_table_insert(tid_filter_list, | |
956 | (gpointer) &pid, | |
957 | &pid); | |
958 | } else { | |
959 | perror("fork"); | |
960 | exit(EXIT_FAILURE); | |
961 | } | |
962 | } | |
963 | ||
fbbda4da | 964 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
050f9cf9 | 965 | if (quit || reload_trace) |
ae9e85c7 | 966 | goto end_iter; |
1fc22eb4 JD |
967 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
968 | if (ret < 0) | |
969 | goto end_iter; | |
970 | } | |
971 | ||
972 | /* block until quit, we reached the end of the trace */ | |
973 | sem_wait(&end_trace_sem); | |
974 | ||
975 | end_iter: | |
06570214 | 976 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
977 | } |
978 | ||
979 | /* | |
980 | * bt_context_add_traces_recursive: Open a trace recursively | |
981 | * (copied from BSD code in converter/babeltrace.c) | |
982 | * | |
983 | * Find each trace present in the subdirectory starting from the given | |
984 | * path, and add them to the context. The packet_seek parameter can be | |
985 | * NULL: this specify to use the default format packet_seek. | |
986 | * | |
987 | * Return: 0 on success, nonzero on failure. | |
988 | * Unable to open toplevel: failure. | |
989 | * Unable to open some subdirectory or file: warn and continue; | |
990 | */ | |
991 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
992 | const char *format_str, | |
2e0a1190 | 993 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
994 | size_t offset, int whence)) |
995 | { | |
996 | FTS *tree; | |
997 | FTSENT *node; | |
998 | GArray *trace_ids; | |
999 | char lpath[PATH_MAX]; | |
1000 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 1001 | int ret = -1; |
1fc22eb4 | 1002 | |
12a91e9d JD |
1003 | if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 || |
1004 | (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 || | |
1005 | (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) { | |
1006 | ret = bt_context_add_trace(ctx, | |
1007 | path, format_str, packet_seek, NULL, NULL); | |
1008 | if (ret < 0) { | |
1009 | fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" " | |
1010 | "for reading.\n", path); | |
1011 | /* Allow to skip erroneous traces. */ | |
1012 | ret = 1; /* partial error */ | |
1013 | } | |
1014 | return ret; | |
1015 | } | |
1fc22eb4 JD |
1016 | /* |
1017 | * Need to copy path, because fts_open can change it. | |
1018 | * It is the pointer array, not the strings, that are constant. | |
1019 | */ | |
1020 | strncpy(lpath, path, PATH_MAX); | |
1021 | lpath[PATH_MAX - 1] = '\0'; | |
1022 | ||
1023 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
1024 | if (tree == NULL) { | |
1025 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
1026 | path); | |
1027 | return -EINVAL; | |
1028 | } | |
1029 | ||
1030 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
1031 | ||
1032 | while ((node = fts_read(tree))) { | |
1033 | int dirfd, metafd; | |
1034 | ||
1035 | if (!(node->fts_info & FTS_D)) | |
1036 | continue; | |
1037 | ||
1038 | dirfd = open(node->fts_accpath, 0); | |
1039 | if (dirfd < 0) { | |
1040 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
1041 | "directory file descriptor.\n"); | |
1042 | ret = dirfd; | |
1043 | goto error; | |
1044 | } | |
1045 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
1046 | if (metafd < 0) { | |
7314c855 | 1047 | close(dirfd); |
7314c855 | 1048 | continue; |
1fc22eb4 JD |
1049 | } else { |
1050 | int trace_id; | |
1051 | ||
1052 | ret = close(metafd); | |
1053 | if (ret < 0) { | |
1054 | perror("close"); | |
1055 | goto error; | |
1056 | } | |
1057 | ret = close(dirfd); | |
1058 | if (ret < 0) { | |
1059 | perror("close"); | |
1060 | goto error; | |
1061 | } | |
1062 | ||
1063 | trace_id = bt_context_add_trace(ctx, | |
1064 | node->fts_accpath, format_str, | |
1065 | packet_seek, NULL, NULL); | |
1066 | if (trace_id < 0) { | |
0d567cf1 | 1067 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 1068 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
1069 | /* Allow to skip erroneous traces. */ |
1070 | continue; | |
1fc22eb4 JD |
1071 | } |
1072 | g_array_append_val(trace_ids, trace_id); | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 1077 | return ret; |
1fc22eb4 JD |
1078 | |
1079 | error: | |
1080 | return ret; | |
1081 | } | |
1082 | ||
4553b4d1 | 1083 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
1084 | int field_cnt, int *tid_check, int *pid_check, |
1085 | int *procname_check, int *ppid_check) | |
1086 | { | |
1087 | int j; | |
bb6d72a2 JD |
1088 | struct perfcounter *global; |
1089 | const char *name; | |
a54d0d2c JD |
1090 | |
1091 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 1092 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 1093 | if (*tid_check == 0) { |
bb6d72a2 | 1094 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 1095 | (*tid_check)++; |
a54d0d2c JD |
1096 | } |
1097 | if (*pid_check == 0) { | |
da401e9c | 1098 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
1099 | (*pid_check)++; |
1100 | } | |
1101 | if (*ppid_check == 0) { | |
bb6d72a2 | 1102 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
1103 | (*ppid_check)++; |
1104 | } | |
1105 | if (*procname_check == 0) { | |
bb6d72a2 | 1106 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
1107 | (*procname_check)++; |
1108 | } | |
bb6d72a2 JD |
1109 | if (strncmp(name, "perf_", 5) == 0) { |
1110 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
1111 | if (!global) { | |
1112 | global = g_new0(struct perfcounter, 1); | |
1113 | /* by default, sort on the first perf context */ | |
1114 | if (g_hash_table_size(global_perf_liszt) == 0) | |
1115 | global->sort = 1; | |
1116 | global->visible = 1; | |
1117 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
1118 | } | |
1119 | } | |
a54d0d2c | 1120 | } |
bb6d72a2 | 1121 | |
a54d0d2c JD |
1122 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
1123 | *procname_check == 1) | |
1124 | return 0; | |
1125 | ||
1126 | return -1; | |
1127 | } | |
1128 | ||
1129 | /* | |
1130 | * check_requirements: check if the required context informations are available | |
1131 | * | |
1132 | * If each mandatory context information is available for at least in one | |
1133 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
1134 | */ |
1135 | int check_requirements(struct bt_context *ctx) | |
1136 | { | |
1137 | unsigned int i, evt_cnt, field_cnt; | |
1138 | struct bt_ctf_event_decl *const * evt_list; | |
1139 | const struct bt_ctf_field_decl *const * field_list; | |
1140 | int tid_check = 0; | |
1141 | int pid_check = 0; | |
1142 | int procname_check = 0; | |
1143 | int ppid_check = 0; | |
1144 | int ret = 0; | |
1145 | ||
b1acd2b3 JD |
1146 | ret = bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); |
1147 | if (ret < 0) { | |
1148 | goto end; | |
1149 | } | |
1150 | ||
a54d0d2c JD |
1151 | for (i = 0; i < evt_cnt; i++) { |
1152 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
1153 | &field_list, &field_cnt); | |
1154 | ret = check_field_requirements(field_list, field_cnt, | |
1155 | &tid_check, &pid_check, &procname_check, | |
1156 | &ppid_check); | |
a54d0d2c JD |
1157 | |
1158 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
1159 | &field_list, &field_cnt); | |
1160 | ret = check_field_requirements(field_list, field_cnt, | |
1161 | &tid_check, &pid_check, &procname_check, | |
1162 | &ppid_check); | |
a54d0d2c JD |
1163 | |
1164 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
1165 | &field_list, &field_cnt); | |
1166 | ret = check_field_requirements(field_list, field_cnt, | |
1167 | &tid_check, &pid_check, &procname_check, | |
1168 | &ppid_check); | |
a54d0d2c JD |
1169 | } |
1170 | ||
1171 | if (tid_check == 0) { | |
1172 | ret = -1; | |
1173 | fprintf(stderr, "[error] missing tid context information\n"); | |
1174 | } | |
1175 | if (pid_check == 0) { | |
1176 | ret = -1; | |
1177 | fprintf(stderr, "[error] missing pid context information\n"); | |
1178 | } | |
1179 | if (ppid_check == 0) { | |
1180 | ret = -1; | |
1181 | fprintf(stderr, "[error] missing ppid context information\n"); | |
1182 | } | |
1183 | if (procname_check == 0) { | |
1184 | ret = -1; | |
1185 | fprintf(stderr, "[error] missing procname context information\n"); | |
1186 | } | |
8fe4d0cf JD |
1187 | if (ret == 0) { |
1188 | valid_trace = 1; | |
1189 | } | |
a54d0d2c | 1190 | |
16b22a0f JD |
1191 | end: |
1192 | return ret; | |
1193 | } | |
1194 | ||
54761a45 JD |
1195 | static void handle_sigchild(int signal) |
1196 | { | |
1197 | int status; | |
1198 | ||
1199 | waitpid(opt_exec_pid, &status, 0); | |
1200 | } | |
1201 | ||
1202 | int main(int argc, char **argv, char **envp) | |
1fc22eb4 JD |
1203 | { |
1204 | int ret; | |
1205 | struct bt_context *bt_ctx = NULL; | |
1206 | ||
957eed46 | 1207 | init_lttngtop(); |
1fc22eb4 JD |
1208 | ret = parse_options(argc, argv); |
1209 | if (ret < 0) { | |
1210 | fprintf(stdout, "Error parsing options.\n\n"); | |
1211 | usage(stdout); | |
1212 | exit(EXIT_FAILURE); | |
1213 | } else if (ret > 0) { | |
1214 | exit(EXIT_SUCCESS); | |
1215 | } | |
1216 | ||
54761a45 JD |
1217 | if (opt_exec_name) { |
1218 | opt_exec_env = envp; | |
1219 | signal(SIGCHLD, handle_sigchild); | |
1220 | } | |
1221 | ||
1222 | if (!opt_input_path && !remote_live && !opt_exec_name) { | |
863dc485 JD |
1223 | /* mmap live */ |
1224 | #ifdef LTTNGTOP_MMAP_LIVE | |
24797198 JD |
1225 | if (opt_textdump) { |
1226 | signal(SIGTERM, handle_textdump_sigterm); | |
1227 | signal(SIGINT, handle_textdump_sigterm); | |
1228 | } | |
b1acd2b3 | 1229 | mmap_live_loop(bt_ctx); |
ae9e85c7 | 1230 | pthread_join(timer_thread, NULL); |
eb677852 JD |
1231 | quit = 1; |
1232 | pthread_join(display_thread, NULL); | |
6777529d | 1233 | |
c78f2cdc | 1234 | lttng_stop_tracing("test"); |
c78f2cdc JD |
1235 | lttng_destroy_session("test"); |
1236 | ||
1fc22eb4 | 1237 | goto end; |
863dc485 | 1238 | #else |
d2f1452b JD |
1239 | fprintf(stderr, "[ERROR] Mmap live support not compiled, specify a " |
1240 | "trace directory or -r <relayd hostname/IP>\n"); | |
1241 | usage(stdout); | |
1242 | ret = -1; | |
863dc485 JD |
1243 | goto end; |
1244 | #endif /* LTTNGTOP_MMAP_LIVE */ | |
1245 | } else if (!opt_input_path && remote_live) { | |
1246 | /* network live */ | |
12a91e9d JD |
1247 | bt_ctx = bt_context_create(); |
1248 | ret = bt_context_add_traces_recursive(bt_ctx, opt_relay_hostname, | |
1249 | "lttng-live", NULL); | |
1250 | if (ret < 0) { | |
1251 | fprintf(stderr, "[error] Opening the trace\n"); | |
1252 | goto end; | |
1253 | } | |
16b22a0f | 1254 | } else { |
957eed46 | 1255 | //init_lttngtop(); |
16b22a0f JD |
1256 | |
1257 | bt_ctx = bt_context_create(); | |
1258 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1259 | if (ret < 0) { | |
1260 | fprintf(stderr, "[error] Opening the trace\n"); | |
1261 | goto end; | |
1262 | } | |
1fc22eb4 | 1263 | |
12a91e9d | 1264 | ret = check_requirements(bt_ctx); |
8fe4d0cf | 1265 | if (ret < 0 && !valid_trace) { |
12a91e9d JD |
1266 | fprintf(stderr, "[error] some mandatory contexts " |
1267 | "were missing, exiting.\n"); | |
8fe4d0cf | 1268 | //goto end; |
12a91e9d JD |
1269 | } |
1270 | ||
1271 | if (!opt_textdump) { | |
1272 | pthread_create(&display_thread, NULL, ncurses_display, | |
1273 | (void *) NULL); | |
1274 | pthread_create(&timer_thread, NULL, refresh_thread, | |
1275 | (void *) NULL); | |
1276 | } | |
1277 | ||
1278 | iter_trace(bt_ctx); | |
863dc485 | 1279 | } |
1fc22eb4 | 1280 | |
1fc22eb4 | 1281 | |
863dc485 JD |
1282 | pthread_join(display_thread, NULL); |
1283 | quit = 1; | |
1284 | pthread_join(timer_thread, NULL); | |
1fc22eb4 | 1285 | |
d2f1452b JD |
1286 | ret = 0; |
1287 | ||
1fc22eb4 | 1288 | end: |
16b22a0f JD |
1289 | if (bt_ctx) |
1290 | bt_context_put(bt_ctx); | |
1291 | ||
d2f1452b | 1292 | return ret; |
1fc22eb4 | 1293 | } |