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" | |
1fc22eb4 | 52 | #include "common.h" |
b1acd2b3 | 53 | #include "network-live.h" |
f248b7d8 | 54 | #include "lttng-session.h" |
b1acd2b3 | 55 | |
ec016cb4 JD |
56 | #ifdef HAVE_LIBNCURSES |
57 | #include "cursesdisplay.h" | |
58 | #endif | |
59 | ||
12a91e9d JD |
60 | #define NET_URL_PREFIX "net://" |
61 | #define NET4_URL_PREFIX "net4://" | |
62 | #define NET6_URL_PREFIX "net6://" | |
1fc22eb4 JD |
63 | |
64 | #define DEFAULT_FILE_ARRAY_SIZE 1 | |
65 | ||
66 | const char *opt_input_path; | |
12a91e9d JD |
67 | int opt_textdump; |
68 | int opt_child; | |
69 | int opt_begin; | |
796712db | 70 | int opt_all; |
1fc22eb4 | 71 | |
ae9e85c7 | 72 | int quit = 0; |
8fe4d0cf JD |
73 | /* We need at least one valid trace to start processing. */ |
74 | int valid_trace = 0; | |
ae9e85c7 | 75 | |
1fc22eb4 JD |
76 | struct lttngtop *copy; |
77 | pthread_t display_thread; | |
78 | pthread_t timer_thread; | |
79 | ||
80 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
81 | unsigned long last_display_update = 0; | |
863dc485 | 82 | unsigned long last_event_ts = 0; |
bca0e79c | 83 | struct syscall *last_syscall; |
1fc22eb4 | 84 | |
16b22a0f | 85 | /* list of FDs available for being read with snapshots */ |
b1acd2b3 | 86 | struct bt_mmap_stream_list mmap_list; |
16b22a0f JD |
87 | GPtrArray *lttng_consumer_stream_array; |
88 | int sessiond_metadata, consumerd_metadata; | |
4e6aeb3d JD |
89 | struct lttng_consumer_local_data *ctx = NULL; |
90 | /* list of snapshots currently not consumed */ | |
91 | GPtrArray *available_snapshots; | |
92 | sem_t metadata_available; | |
050f9cf9 | 93 | int reload_trace = 0; |
16b22a0f | 94 | |
010f485a JD |
95 | uint64_t prev_ts = 0; |
96 | ||
1fc22eb4 JD |
97 | enum { |
98 | OPT_NONE = 0, | |
99 | OPT_HELP, | |
6777529d | 100 | OPT_TEXTDUMP, |
32b70e07 JD |
101 | OPT_PID, |
102 | OPT_CHILD, | |
26e46dde | 103 | OPT_PROCNAME, |
b1acd2b3 | 104 | OPT_RELAY_HOSTNAME, |
f16e36fc | 105 | OPT_KPROBES, |
3160c7a9 | 106 | OPT_BEGIN, |
796712db | 107 | OPT_ALL, |
09e7f98e JD |
108 | OPT_OUTPUT_FILE, |
109 | OPT_VERBOSE, | |
3012757f | 110 | OPT_GUI_TEST, |
f248b7d8 | 111 | OPT_CREATE_LOCAL_SESSION, |
1fc22eb4 JD |
112 | }; |
113 | ||
114 | static struct poptOption long_options[] = { | |
115 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
116 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
6777529d | 117 | { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL }, |
32b70e07 | 118 | { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL }, |
3160c7a9 | 119 | { "begin", 'b', POPT_ARG_NONE, NULL, OPT_BEGIN, NULL, NULL }, |
57bff788 | 120 | { "pid", 'p', POPT_ARG_STRING, &opt_tid, OPT_PID, NULL, NULL }, |
26e46dde | 121 | { "procname", 'n', POPT_ARG_STRING, &opt_procname, OPT_PROCNAME, NULL, NULL }, |
b1acd2b3 JD |
122 | { "relay-hostname", 'r', POPT_ARG_STRING, &opt_relay_hostname, |
123 | OPT_RELAY_HOSTNAME, NULL, NULL }, | |
f16e36fc | 124 | { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL }, |
796712db | 125 | { "all", 'a', POPT_ARG_NONE, NULL, OPT_ALL, NULL, NULL }, |
09e7f98e JD |
126 | { "output", 'o', POPT_ARG_STRING, &opt_output, OPT_OUTPUT_FILE, NULL, NULL }, |
127 | { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, | |
3012757f | 128 | { "gui-test", 'g', POPT_ARG_NONE, NULL, OPT_GUI_TEST, NULL, NULL }, |
f248b7d8 | 129 | { "create-local-session", 0, POPT_ARG_NONE, NULL, OPT_CREATE_LOCAL_SESSION, NULL, NULL }, |
1fc22eb4 JD |
130 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
131 | }; | |
132 | ||
863dc485 | 133 | #ifdef LTTNGTOP_MMAP_LIVE |
24797198 JD |
134 | static void handle_textdump_sigterm(int signal) |
135 | { | |
136 | quit = 1; | |
137 | lttng_destroy_session("test"); | |
138 | } | |
863dc485 | 139 | #endif |
24797198 | 140 | |
1fc22eb4 JD |
141 | void *refresh_thread(void *p) |
142 | { | |
143 | while (1) { | |
ae9e85c7 JD |
144 | if (quit) { |
145 | sem_post(&pause_sem); | |
146 | sem_post(&timer); | |
1402044a | 147 | sem_post(&end_trace_sem); |
ae9e85c7 | 148 | sem_post(&goodtodisplay); |
1402044a | 149 | sem_post(&goodtoupdate); |
ae9e85c7 JD |
150 | pthread_exit(0); |
151 | } | |
1402044a | 152 | if (!opt_input_path) { |
b1acd2b3 JD |
153 | #ifdef LTTNGTOP_MMAP_LIVE |
154 | mmap_live_flush(mmap_list); | |
155 | #endif | |
1402044a | 156 | } |
1fc22eb4 JD |
157 | sem_wait(&pause_sem); |
158 | sem_post(&pause_sem); | |
159 | sem_post(&timer); | |
160 | sleep(refresh_display/NSEC_PER_SEC); | |
161 | } | |
162 | } | |
163 | ||
ec016cb4 | 164 | #ifdef HAVE_LIBNCURSES |
1fc22eb4 JD |
165 | void *ncurses_display(void *p) |
166 | { | |
167 | unsigned int current_display_index = 0; | |
168 | ||
169 | sem_wait(&bootstrap); | |
b332d28f JD |
170 | /* |
171 | * Prevent the 1 second delay when we hit ESC | |
172 | */ | |
173 | ESCDELAY = 0; | |
1fc22eb4 JD |
174 | init_ncurses(); |
175 | ||
176 | while (1) { | |
177 | sem_wait(&timer); | |
178 | sem_wait(&goodtodisplay); | |
179 | sem_wait(&pause_sem); | |
180 | ||
ae9e85c7 | 181 | if (quit) { |
33572a17 JD |
182 | sem_post(&pause_sem); |
183 | sem_post(&timer); | |
ae9e85c7 JD |
184 | reset_ncurses(); |
185 | pthread_exit(0); | |
186 | } | |
187 | ||
1fc22eb4 | 188 | copy = g_ptr_array_index(copies, current_display_index); |
85db4618 JD |
189 | assert(copy); |
190 | display(current_display_index++); | |
1fc22eb4 JD |
191 | |
192 | sem_post(&goodtoupdate); | |
193 | sem_post(&pause_sem); | |
1fc22eb4 JD |
194 | } |
195 | } | |
ec016cb4 | 196 | #endif /* HAVE_LIBNCURSES */ |
1fc22eb4 | 197 | |
08d1cfbe JD |
198 | void print_fields(struct bt_ctf_event *event, const char *procname, |
199 | int pid) | |
575cc4fd JD |
200 | { |
201 | unsigned int cnt, i; | |
b1acd2b3 JD |
202 | const struct bt_definition *const * list; |
203 | const struct bt_declaration *l; | |
204 | const struct bt_definition *scope; | |
575cc4fd JD |
205 | enum ctf_type_id type; |
206 | const char *str; | |
08d1cfbe JD |
207 | struct processtop *current_proc; |
208 | struct files *current_file; | |
209 | int fd, fd_value = -1; | |
575cc4fd JD |
210 | |
211 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS); | |
212 | ||
213 | bt_ctf_get_field_list(event, scope, &list, &cnt); | |
214 | for (i = 0; i < cnt; i++) { | |
215 | if (i != 0) | |
09e7f98e JD |
216 | fprintf(output, ", "); |
217 | fprintf(output, "%s = ", bt_ctf_field_name(list[i])); | |
9498e78c | 218 | l = bt_ctf_get_decl_from_def(list[i]); |
08d1cfbe JD |
219 | if (strncmp(bt_ctf_field_name(list[i]), "fd", 2) == 0) |
220 | fd = 1; | |
221 | else | |
222 | fd = 0; | |
9498e78c | 223 | type = bt_ctf_field_type(l); |
575cc4fd | 224 | if (type == CTF_TYPE_INTEGER) { |
08d1cfbe JD |
225 | if (bt_ctf_get_int_signedness(l) == 0) { |
226 | fd_value = bt_ctf_get_uint64(list[i]); | |
09e7f98e | 227 | fprintf(output, "%" PRIu64, bt_ctf_get_uint64(list[i])); |
08d1cfbe JD |
228 | } else { |
229 | fd_value = bt_ctf_get_int64(list[i]); | |
09e7f98e | 230 | fprintf(output, "%" PRId64, bt_ctf_get_int64(list[i])); |
08d1cfbe | 231 | } |
575cc4fd | 232 | } else if (type == CTF_TYPE_STRING) { |
09e7f98e | 233 | fprintf(output, "%s", bt_ctf_get_string(list[i])); |
575cc4fd JD |
234 | } else if (type == CTF_TYPE_ARRAY) { |
235 | str = bt_ctf_get_char_array(list[i]); | |
fbbda4da | 236 | if (!bt_ctf_field_get_error() && str) |
09e7f98e | 237 | fprintf(output, "%s", str); |
575cc4fd | 238 | } |
08d1cfbe JD |
239 | if (fd) { |
240 | current_proc = find_process_tid(<tngtop, pid, procname); | |
241 | if (!current_proc) | |
242 | continue; | |
243 | current_file = get_file(current_proc, fd_value); | |
244 | if (!current_file || !current_file->name) | |
245 | continue; | |
09e7f98e | 246 | fprintf(output, "<%s>", current_file->name); |
08d1cfbe | 247 | } |
575cc4fd JD |
248 | } |
249 | } | |
250 | ||
6112d0d4 JD |
251 | /* |
252 | * hook on each event to check the timestamp and refresh the display if | |
253 | * necessary | |
254 | */ | |
bca0e79c | 255 | enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data) |
6112d0d4 JD |
256 | { |
257 | unsigned long timestamp; | |
010f485a | 258 | uint64_t delta; |
6112d0d4 | 259 | struct tm start; |
b520ab45 | 260 | uint64_t ts_nsec_start; |
bca0e79c | 261 | int pid, cpu_id, tid, ret, lookup, current_syscall = 0; |
b1acd2b3 | 262 | const struct bt_definition *scope; |
575cc4fd | 263 | const char *hostname, *procname; |
1d74c4d1 JD |
264 | struct cputime *cpu; |
265 | char *from_syscall = NULL; | |
6112d0d4 | 266 | |
6112d0d4 JD |
267 | timestamp = bt_ctf_get_timestamp(call_data); |
268 | ||
863dc485 JD |
269 | /* can happen in network live when tracing is idle */ |
270 | if (timestamp < last_event_ts) | |
271 | goto end_stop; | |
272 | ||
273 | last_event_ts = timestamp; | |
274 | ||
b520ab45 | 275 | start = format_timestamp(timestamp); |
6112d0d4 JD |
276 | ts_nsec_start = timestamp % NSEC_PER_SEC; |
277 | ||
32b70e07 | 278 | pid = get_context_pid(call_data); |
57bff788 | 279 | if (pid == -1ULL && opt_tid) { |
32b70e07 JD |
280 | goto error; |
281 | } | |
b0135e60 JD |
282 | |
283 | tid = get_context_tid(call_data); | |
32b70e07 | 284 | |
c8d75a13 | 285 | hostname = get_context_hostname(call_data); |
a15e6a10 JD |
286 | if (opt_child) |
287 | lookup = pid; | |
288 | else | |
289 | lookup = tid; | |
26e46dde | 290 | if (opt_tid || opt_procname || opt_exec_name) { |
a15e6a10 | 291 | if (!lookup_filter_tid_list(lookup)) { |
b301de1a JD |
292 | /* To display when a process of ours in getting scheduled in */ |
293 | if (strcmp(bt_ctf_event_name(call_data), "sched_switch") == 0) { | |
294 | int next_tid; | |
295 | ||
296 | scope = bt_ctf_get_top_level_scope(call_data, | |
297 | BT_EVENT_FIELDS); | |
298 | next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
299 | scope, "_next_tid")); | |
300 | if (bt_ctf_field_get_error()) { | |
301 | fprintf(stderr, "Missing next_tid field\n"); | |
302 | goto error; | |
303 | } | |
304 | if (!lookup_filter_tid_list(next_tid)) { | |
796712db JD |
305 | if (!opt_all) |
306 | goto end; | |
307 | } else { | |
308 | if (opt_all) | |
09e7f98e | 309 | fprintf(output, "%c[1m", 27); |
b301de1a | 310 | } |
796712db | 311 | } else if (!opt_all) { |
b301de1a JD |
312 | goto end; |
313 | } | |
796712db JD |
314 | } else { |
315 | if (opt_all) | |
09e7f98e | 316 | fprintf(output, "%c[1m", 27); |
b301de1a JD |
317 | } |
318 | } | |
da4353bb | 319 | |
bca0e79c JD |
320 | if (last_syscall && (strncmp(bt_ctf_event_name(call_data), |
321 | "exit_syscall", 12)) != 0) { | |
322 | last_syscall = NULL; | |
09e7f98e | 323 | fprintf(output, " ...interrupted...\n"); |
bca0e79c JD |
324 | } |
325 | ||
575cc4fd JD |
326 | cpu_id = get_cpu_id(call_data); |
327 | procname = get_context_comm(call_data); | |
1d74c4d1 JD |
328 | if (strncmp(bt_ctf_event_name(call_data), "sys_", 4) == 0) { |
329 | cpu = get_cpu(cpu_id); | |
330 | cpu->current_syscall = g_new0(struct syscall, 1); | |
331 | cpu->current_syscall->name = strdup(bt_ctf_event_name(call_data)); | |
332 | cpu->current_syscall->ts_start = timestamp; | |
bca0e79c JD |
333 | cpu->current_syscall->cpu_id = cpu_id; |
334 | last_syscall = cpu->current_syscall; | |
335 | current_syscall = 1; | |
1d74c4d1 JD |
336 | } else if ((strncmp(bt_ctf_event_name(call_data), "exit_syscall", 12)) == 0) { |
337 | struct tm start_ts; | |
338 | ||
bca0e79c JD |
339 | /* Return code of a syscall if it was the last displayed event. */ |
340 | if (last_syscall && last_syscall->ts_start == prev_ts) { | |
341 | if (last_syscall->cpu_id == cpu_id) { | |
342 | int64_t syscall_ret; | |
343 | ||
344 | delta = timestamp - last_syscall->ts_start; | |
345 | scope = bt_ctf_get_top_level_scope(call_data, | |
346 | BT_EVENT_FIELDS); | |
347 | syscall_ret = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
348 | scope, "_ret")); | |
349 | ||
09e7f98e | 350 | fprintf(output, "= %" PRId64 " (%" PRIu64 ".%09" PRIu64 "s)\n", |
bca0e79c JD |
351 | syscall_ret, delta / NSEC_PER_SEC, |
352 | delta % NSEC_PER_SEC); | |
353 | last_syscall = NULL; | |
354 | goto end; | |
355 | } else { | |
356 | last_syscall = NULL; | |
09e7f98e | 357 | fprintf(output, " ...interrupted...\n"); |
bca0e79c JD |
358 | } |
359 | } | |
360 | ||
1d74c4d1 JD |
361 | cpu = get_cpu(cpu_id); |
362 | if (cpu->current_syscall) { | |
363 | delta = timestamp - cpu->current_syscall->ts_start; | |
364 | start_ts = format_timestamp(cpu->current_syscall->ts_start); | |
54761a45 | 365 | ret = asprintf(&from_syscall, " [from %02d:%02d:%02d.%09" PRIu64 |
bca0e79c | 366 | " (+%" PRIu64 ".%09" PRIu64 ") (cpu %d) %s]", |
1d74c4d1 JD |
367 | start_ts.tm_hour, start_ts.tm_min, start_ts.tm_sec, |
368 | cpu->current_syscall->ts_start % NSEC_PER_SEC, | |
369 | delta / NSEC_PER_SEC, delta % NSEC_PER_SEC, | |
370 | cpu_id, cpu->current_syscall->name); | |
54761a45 JD |
371 | if (ret < 0) { |
372 | goto error; | |
373 | } | |
1d74c4d1 JD |
374 | free(cpu->current_syscall->name); |
375 | g_free(cpu->current_syscall); | |
376 | cpu->current_syscall = NULL; | |
bca0e79c | 377 | last_syscall = NULL; |
1d74c4d1 JD |
378 | } |
379 | } | |
380 | ||
010f485a JD |
381 | if (prev_ts == 0) |
382 | prev_ts = timestamp; | |
383 | delta = timestamp - prev_ts; | |
384 | prev_ts = timestamp; | |
575cc4fd | 385 | |
09e7f98e | 386 | fprintf(output, "%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") %s%s" |
4251cc67 JD |
387 | "(cpu %d) [%s (%d/%d)] %s (", |
388 | start.tm_hour, start.tm_min, start.tm_sec, | |
389 | ts_nsec_start, delta / NSEC_PER_SEC, | |
390 | delta % NSEC_PER_SEC, (hostname) ? hostname : "", | |
391 | (hostname) ? " ": "", cpu_id, procname, pid, tid, | |
392 | bt_ctf_event_name(call_data)); | |
08d1cfbe | 393 | print_fields(call_data, procname, pid); |
09e7f98e | 394 | fprintf(output, ")%s%c", (from_syscall) ? from_syscall : "", |
08d1cfbe | 395 | (!current_syscall) ? '\n' : ' '); |
1d74c4d1 JD |
396 | |
397 | free(from_syscall); | |
26e46dde | 398 | if (opt_all && (opt_tid || opt_procname || opt_exec_name)) |
09e7f98e | 399 | fprintf(output, "%c[0m", 27); |
6112d0d4 | 400 | |
32b70e07 | 401 | end: |
6112d0d4 | 402 | return BT_CB_OK; |
32b70e07 JD |
403 | error: |
404 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
405 | end_stop: |
406 | return BT_CB_OK_STOP; | |
6112d0d4 JD |
407 | } |
408 | ||
246d5992 JD |
409 | enum bt_cb_ret handle_kprobes(struct bt_ctf_event *call_data, void *private_data) |
410 | { | |
411 | int i; | |
412 | struct kprobes *kprobe; | |
413 | ||
414 | /* for kprobes */ | |
415 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
416 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
417 | if (strcmp(bt_ctf_event_name(call_data), kprobe->probe_name) == 0) { | |
418 | kprobe->count++; | |
419 | } | |
420 | } | |
421 | ||
422 | return BT_CB_OK; | |
423 | } | |
424 | ||
1fc22eb4 JD |
425 | /* |
426 | * hook on each event to check the timestamp and refresh the display if | |
427 | * necessary | |
428 | */ | |
4adc8274 | 429 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
430 | { |
431 | unsigned long timestamp; | |
432 | ||
c78f2cdc | 433 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
434 | if (timestamp == -1ULL) |
435 | goto error; | |
436 | ||
863dc485 JD |
437 | /* can happen in network live when tracing is idle */ |
438 | if (timestamp < last_event_ts) | |
439 | goto end_stop; | |
440 | ||
441 | last_event_ts = timestamp; | |
442 | ||
1fc22eb4 JD |
443 | if (last_display_update == 0) |
444 | last_display_update = timestamp; | |
445 | ||
446 | if (timestamp - last_display_update >= refresh_display) { | |
447 | sem_wait(&goodtoupdate); | |
448 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
449 | timestamp)); | |
450 | sem_post(&goodtodisplay); | |
451 | sem_post(&bootstrap); | |
452 | last_display_update = timestamp; | |
453 | } | |
454 | return BT_CB_OK; | |
455 | ||
456 | error: | |
457 | fprintf(stderr, "check_timestamp callback error\n"); | |
458 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
459 | |
460 | end_stop: | |
461 | return BT_CB_OK_STOP; | |
1fc22eb4 JD |
462 | } |
463 | ||
464 | /* | |
465 | * get_perf_counter : get or create and return a perf_counter struct for | |
466 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
467 | */ | |
468 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
469 | struct cputime *cpu) | |
470 | { | |
bb6d72a2 | 471 | struct perfcounter *ret; |
1fc22eb4 JD |
472 | GHashTable *table; |
473 | ||
474 | if (proc) | |
475 | table = proc->perf; | |
476 | else if (cpu) | |
477 | table = cpu->perf; | |
478 | else | |
479 | goto error; | |
480 | ||
481 | ret = g_hash_table_lookup(table, (gpointer) name); | |
482 | if (ret) | |
483 | goto end; | |
484 | ||
559c9f86 | 485 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
486 | /* by default, make it visible in the UI */ |
487 | ret->visible = 1; | |
85db4618 | 488 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 489 | |
1fc22eb4 JD |
490 | end: |
491 | return ret; | |
492 | ||
493 | error: | |
494 | return NULL; | |
495 | } | |
496 | ||
497 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
498 | const char *name, int value) | |
499 | { | |
500 | struct perfcounter *cpu_perf, *process_perf; | |
501 | ||
502 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
503 | if (cpu_perf->count < value) { | |
504 | process_perf = get_perf_counter(name, proc, NULL); | |
505 | process_perf->count += value - cpu_perf->count; | |
506 | cpu_perf->count = value; | |
507 | } | |
508 | } | |
509 | ||
4adc8274 | 510 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 511 | const struct bt_definition *scope, |
1fc22eb4 JD |
512 | struct processtop *proc, |
513 | struct cputime *cpu) | |
514 | { | |
2e0a1190 JD |
515 | struct bt_definition const * const *list = NULL; |
516 | const struct bt_definition *field; | |
1fc22eb4 | 517 | unsigned int count; |
bb6d72a2 JD |
518 | struct perfcounter *perfcounter; |
519 | GHashTableIter iter; | |
520 | gpointer key; | |
521 | int ret; | |
1fc22eb4 JD |
522 | |
523 | if (!scope) | |
524 | goto end; | |
525 | ||
526 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
527 | if (ret < 0) | |
528 | goto end; | |
529 | ||
bb6d72a2 JD |
530 | if (count == 0) |
531 | goto end; | |
532 | ||
533 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
534 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
535 | field = bt_ctf_get_field(event, scope, (char *) key); | |
536 | if (field) { | |
537 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
538 | if (bt_ctf_field_get_error()) |
539 | continue; | |
bb6d72a2 | 540 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
541 | } |
542 | } | |
543 | ||
544 | end: | |
545 | return; | |
546 | } | |
547 | ||
4adc8274 | 548 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 549 | { |
1fc22eb4 | 550 | struct cputime *cpu; |
2e0a1190 | 551 | const struct bt_definition *scope; |
1fc22eb4 | 552 | |
d67167cd | 553 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
554 | |
555 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
556 | extract_perf_counter_scope(event, scope, proc, cpu); | |
557 | ||
558 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
559 | extract_perf_counter_scope(event, scope, proc, cpu); | |
560 | ||
561 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
562 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
563 | } |
564 | ||
4adc8274 | 565 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
566 | void *private_data) |
567 | { | |
1402044a | 568 | int pid, tid, ppid, vpid, vtid, vppid; |
c8d75a13 | 569 | char *comm, *hostname; |
1fc22eb4 | 570 | struct processtop *parent, *child; |
1fc22eb4 JD |
571 | unsigned long timestamp; |
572 | ||
c78f2cdc | 573 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
574 | if (timestamp == -1ULL) |
575 | goto error; | |
576 | ||
1dec520a JD |
577 | pid = get_context_pid(call_data); |
578 | if (pid == -1ULL) { | |
1fc22eb4 JD |
579 | goto error; |
580 | } | |
96aa77de | 581 | |
1dec520a JD |
582 | tid = get_context_tid(call_data); |
583 | if (tid == -1ULL) { | |
1fc22eb4 JD |
584 | goto error; |
585 | } | |
1dec520a JD |
586 | ppid = get_context_ppid(call_data); |
587 | if (ppid == -1ULL) { | |
8fe4d0cf | 588 | goto end; |
1fc22eb4 | 589 | } |
1402044a JD |
590 | vpid = get_context_vpid(call_data); |
591 | if (pid == -1ULL) { | |
592 | vpid = -1; | |
593 | } | |
594 | vtid = get_context_vtid(call_data); | |
595 | if (tid == -1ULL) { | |
596 | vtid = -1; | |
597 | } | |
598 | vppid = get_context_vppid(call_data); | |
599 | if (ppid == -1ULL) { | |
600 | vppid = -1; | |
601 | } | |
1dec520a JD |
602 | comm = get_context_comm(call_data); |
603 | if (!comm) { | |
1fc22eb4 JD |
604 | goto error; |
605 | } | |
c8d75a13 JD |
606 | /* optional */ |
607 | hostname = get_context_hostname(call_data); | |
1fc22eb4 JD |
608 | |
609 | /* find or create the current process */ | |
610 | child = find_process_tid(<tngtop, tid, comm); | |
611 | if (!child) | |
906c08f6 | 612 | child = add_proc(<tngtop, tid, comm, timestamp, hostname); |
96aa77de JD |
613 | if (!child) |
614 | goto end; | |
c8d75a13 | 615 | update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm, hostname); |
1fc22eb4 | 616 | |
26e46dde JD |
617 | if (opt_procname && lookup_procname(comm) && |
618 | !lookup_filter_tid_list(tid)) { | |
619 | int *tmp_tid; | |
620 | ||
621 | tmp_tid = malloc(sizeof(int)); | |
622 | *tmp_tid = tid; | |
623 | printf("ADDING %s %d\n", comm, tid); | |
624 | g_hash_table_insert(global_filter_list, | |
625 | (gpointer) tmp_tid, tmp_tid); | |
626 | } | |
627 | ||
1fc22eb4 JD |
628 | if (pid != tid) { |
629 | /* find or create the parent */ | |
630 | parent = find_process_tid(<tngtop, pid, comm); | |
631 | if (!parent) { | |
906c08f6 | 632 | parent = add_proc(<tngtop, pid, comm, timestamp, hostname); |
96aa77de JD |
633 | if (parent) |
634 | parent->pid = pid; | |
1fc22eb4 JD |
635 | } |
636 | ||
637 | /* attach the parent to the current process */ | |
638 | child->threadparent = parent; | |
639 | add_thread(parent, child); | |
640 | } | |
641 | ||
642 | update_perf_counter(child, call_data); | |
643 | ||
96aa77de | 644 | end: |
1fc22eb4 JD |
645 | return BT_CB_OK; |
646 | ||
647 | error: | |
648 | return BT_CB_ERROR_STOP; | |
649 | } | |
650 | ||
651 | void init_lttngtop() | |
652 | { | |
653 | copies = g_ptr_array_new(); | |
0d91c12a | 654 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
da4353bb | 655 | global_filter_list = g_hash_table_new(g_str_hash, g_str_equal); |
114cae59 | 656 | global_host_list = g_hash_table_new(g_str_hash, g_str_equal); |
26e46dde | 657 | global_procname_list = g_hash_table_new(g_str_hash, g_str_equal); |
54761a45 JD |
658 | tid_filter_list = g_hash_table_new(g_str_hash, |
659 | g_str_equal); | |
1fc22eb4 JD |
660 | |
661 | sem_init(&goodtodisplay, 0, 0); | |
662 | sem_init(&goodtoupdate, 0, 1); | |
663 | sem_init(&timer, 0, 1); | |
664 | sem_init(&bootstrap, 0, 0); | |
665 | sem_init(&pause_sem, 0, 1); | |
666 | sem_init(&end_trace_sem, 0, 0); | |
667 | ||
e05a35a6 JD |
668 | reset_global_counters(); |
669 | lttngtop.nbproc = 0; | |
670 | lttngtop.nbthreads = 0; | |
671 | lttngtop.nbfiles = 0; | |
672 | ||
30b646c4 JD |
673 | lttngtop.process_hash_table = g_hash_table_new(g_direct_hash, |
674 | g_direct_equal); | |
1fc22eb4 JD |
675 | lttngtop.process_table = g_ptr_array_new(); |
676 | lttngtop.files_table = g_ptr_array_new(); | |
677 | lttngtop.cpu_table = g_ptr_array_new(); | |
da4353bb JD |
678 | |
679 | toggle_filter = -1; | |
1fc22eb4 JD |
680 | } |
681 | ||
c263c4eb | 682 | void usage(FILE *fp) |
1fc22eb4 | 683 | { |
c263c4eb | 684 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
d2f1452b JD |
685 | fprintf(fp, "Usage : lttngtop [OPTIONS] TRACE\n"); |
686 | fprintf(fp, " TRACE Path to the trace to analyse (-r for network live tracing, nothing for mmap live streaming)\n"); | |
c8d75a13 JD |
687 | fprintf(fp, " -h, --help This help message\n"); |
688 | fprintf(fp, " -t, --textdump Display live events in text-only\n"); | |
689 | fprintf(fp, " -p, --pid Comma-separated list of PIDs to display\n"); | |
690 | fprintf(fp, " -f, --child Follow threads associated with selected PIDs\n"); | |
26e46dde | 691 | fprintf(fp, " -n, --procname Comma-separated list of procnames to display (require procname context in trace)\n"); |
796712db | 692 | 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 | 693 | fprintf(fp, " -k, --kprobes Comma-separated list of kprobes to insert (same format as lttng enable-event)\n"); |
bab469fc JD |
694 | fprintf(fp, " -r, --relay-hostname Network live streaming : hostname of the lttng-relayd (default port)\n"); |
695 | fprintf(fp, " -b, --begin Network live streaming : read the trace for the beginning of the recording\n"); | |
09e7f98e | 696 | fprintf(fp, " -o, --output <filename> In textdump, output the log in <filename>\n"); |
3012757f | 697 | fprintf(fp, " -g, --gui-test Test if the ncurses support is compiled in (return 0 if it is)\n"); |
1fc22eb4 JD |
698 | } |
699 | ||
f16e36fc JD |
700 | /* |
701 | * Parse probe options. | |
702 | * Shamelessly stolen from lttng-tools : | |
703 | * src/bin/lttng/commands/enable_events.c | |
704 | */ | |
705 | static struct kprobes *parse_probe_opts(char *opt) | |
706 | { | |
707 | char s_hex[19]; | |
708 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
709 | struct kprobes *kprobe; | |
710 | int ret; | |
711 | ||
712 | /* | |
713 | kprobe->probe_addr = 0; | |
714 | kprobe->probe_offset = 0; | |
715 | asprintf(&kprobe->probe_name, "probe_sys_open"); | |
716 | asprintf(&kprobe->symbol_name, "sys_open"); | |
717 | */ | |
718 | ||
719 | if (opt == NULL) { | |
720 | kprobe = NULL; | |
721 | goto end; | |
722 | } | |
723 | ||
724 | kprobe = g_new0(struct kprobes, 1); | |
725 | ||
726 | /* Check for symbol+offset */ | |
727 | ret = sscanf(opt, "%[^'+']+%s", name, s_hex); | |
728 | if (ret == 2) { | |
b1acd2b3 JD |
729 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
730 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
731 | |
732 | if (strlen(s_hex) == 0) { | |
733 | fprintf(stderr, "Invalid probe offset %s", s_hex); | |
734 | ret = -1; | |
735 | goto end; | |
736 | } | |
737 | kprobe->probe_offset = strtoul(s_hex, NULL, 0); | |
738 | kprobe->probe_addr = 0; | |
739 | goto end; | |
740 | } | |
741 | ||
742 | /* Check for symbol */ | |
743 | if (isalpha(name[0])) { | |
744 | ret = sscanf(opt, "%s", name); | |
745 | if (ret == 1) { | |
b1acd2b3 JD |
746 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
747 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
748 | kprobe->probe_offset = 0; |
749 | kprobe->probe_addr = 0; | |
750 | goto end; | |
751 | } | |
752 | } | |
753 | ||
754 | /* Check for address */ | |
755 | ret = sscanf(opt, "%s", s_hex); | |
756 | if (ret > 0) { | |
757 | if (strlen(s_hex) == 0) { | |
758 | fprintf(stderr, "Invalid probe address %s", s_hex); | |
759 | ret = -1; | |
760 | goto end; | |
761 | } | |
b1acd2b3 | 762 | ret = asprintf(&kprobe->probe_name, "probe_%s", s_hex); |
f16e36fc JD |
763 | kprobe->probe_offset = 0; |
764 | kprobe->probe_addr = strtoul(s_hex, NULL, 0); | |
765 | goto end; | |
766 | } | |
767 | ||
768 | /* No match */ | |
769 | kprobe = NULL; | |
770 | ||
771 | end: | |
772 | return kprobe; | |
773 | } | |
774 | ||
1fc22eb4 JD |
775 | /* |
776 | * Return 0 if caller should continue, < 0 if caller should return | |
777 | * error, > 0 if caller should exit without reporting error. | |
778 | */ | |
779 | static int parse_options(int argc, char **argv) | |
780 | { | |
781 | poptContext pc; | |
782 | int opt, ret = 0; | |
57bff788 JD |
783 | char *tmp_str; |
784 | int *tid; | |
54761a45 | 785 | int i; |
1fc22eb4 | 786 | |
b1acd2b3 JD |
787 | remote_live = 0; |
788 | ||
1fc22eb4 JD |
789 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
790 | poptReadDefaultConfig(pc, 0); | |
791 | ||
792 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
793 | switch (opt) { | |
794 | case OPT_HELP: | |
795 | usage(stdout); | |
796 | ret = 1; /* exit cleanly */ | |
797 | goto end; | |
3012757f JD |
798 | case OPT_GUI_TEST: |
799 | #ifdef HAVE_LIBNCURSES | |
800 | exit(EXIT_SUCCESS); | |
801 | #else | |
802 | exit(EXIT_FAILURE); | |
803 | #endif | |
804 | goto end; | |
f248b7d8 JD |
805 | case OPT_CREATE_LOCAL_SESSION: |
806 | ret = create_local_session(); | |
807 | exit(ret); | |
6777529d JD |
808 | case OPT_TEXTDUMP: |
809 | opt_textdump = 1; | |
32b70e07 | 810 | break; |
796712db JD |
811 | case OPT_ALL: |
812 | opt_all = 1; | |
813 | break; | |
32b70e07 | 814 | case OPT_CHILD: |
32b70e07 JD |
815 | opt_child = 1; |
816 | break; | |
817 | case OPT_PID: | |
da4353bb | 818 | toggle_filter = 1; |
57bff788 JD |
819 | tmp_str = strtok(opt_tid, ","); |
820 | while (tmp_str) { | |
821 | tid = malloc(sizeof(int)); | |
822 | *tid = atoi(tmp_str); | |
ea5d1dc9 | 823 | g_hash_table_insert(tid_filter_list, |
c8d75a13 JD |
824 | (gpointer) tid, tid); |
825 | tmp_str = strtok(NULL, ","); | |
826 | } | |
827 | break; | |
3160c7a9 JD |
828 | case OPT_BEGIN: |
829 | /* start reading the live trace from the beginning */ | |
830 | opt_begin = 1; | |
831 | break; | |
26e46dde | 832 | case OPT_PROCNAME: |
da4353bb | 833 | toggle_filter = 1; |
26e46dde | 834 | tmp_str = strtok(opt_procname, ","); |
c8d75a13 | 835 | while (tmp_str) { |
26e46dde | 836 | add_procname_list(tmp_str, 1); |
57bff788 JD |
837 | tmp_str = strtok(NULL, ","); |
838 | } | |
32b70e07 | 839 | break; |
b1acd2b3 JD |
840 | case OPT_RELAY_HOSTNAME: |
841 | remote_live = 1; | |
842 | break; | |
f16e36fc JD |
843 | case OPT_KPROBES: |
844 | lttngtop.kprobes_table = g_ptr_array_new(); | |
845 | tmp_str = strtok(opt_kprobes, ","); | |
846 | while (tmp_str) { | |
847 | struct kprobes *kprobe; | |
848 | ||
849 | kprobe = parse_probe_opts(tmp_str); | |
850 | if (kprobe) { | |
851 | g_ptr_array_add( | |
852 | lttngtop.kprobes_table, | |
853 | kprobe); | |
854 | } else { | |
855 | ret = -EINVAL; | |
856 | goto end; | |
857 | } | |
858 | tmp_str = strtok(NULL, ","); | |
859 | } | |
860 | break; | |
09e7f98e JD |
861 | case OPT_OUTPUT_FILE: |
862 | break; | |
863 | case OPT_VERBOSE: | |
864 | babeltrace_verbose = 1; | |
865 | break; | |
1fc22eb4 JD |
866 | default: |
867 | ret = -EINVAL; | |
868 | goto end; | |
869 | } | |
870 | } | |
871 | ||
54761a45 JD |
872 | opt_exec_name = NULL; |
873 | opt_exec_argv = NULL; | |
874 | for (i = 0; i < argc; i++) { | |
875 | if (argv[i][0] == '-' && argv[i][1] == '-') { | |
876 | opt_exec_name = argv[i + 1]; | |
877 | opt_exec_argv = &argv[i + 1]; | |
878 | break; | |
879 | } | |
880 | } | |
881 | if (!opt_exec_name) { | |
882 | opt_input_path = poptGetArg(pc); | |
883 | } | |
09e7f98e JD |
884 | if (!opt_output) { |
885 | opt_output = strdup("/dev/stdout"); | |
886 | } | |
887 | output = fopen(opt_output, "w"); | |
888 | if (!output) { | |
889 | perror("Error opening output file"); | |
890 | ret = -1; | |
891 | goto end; | |
892 | } | |
16b22a0f | 893 | |
1fc22eb4 JD |
894 | end: |
895 | if (pc) { | |
896 | poptFreeContext(pc); | |
897 | } | |
898 | return ret; | |
899 | } | |
900 | ||
901 | void iter_trace(struct bt_context *bt_ctx) | |
902 | { | |
903 | struct bt_ctf_iter *iter; | |
904 | struct bt_iter_pos begin_pos; | |
246d5992 | 905 | struct kprobes *kprobe; |
4adc8274 | 906 | const struct bt_ctf_event *event; |
246d5992 | 907 | int i; |
1fc22eb4 JD |
908 | int ret = 0; |
909 | ||
910 | begin_pos.type = BT_SEEK_BEGIN; | |
911 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
912 | ||
da4353bb JD |
913 | /* at each event, verify the status of the process table */ |
914 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
915 | fix_process_table, | |
916 | NULL, NULL, NULL); | |
6e11e0d0 JD |
917 | /* to handle the follow child option */ |
918 | bt_ctf_iter_add_callback(iter, | |
919 | g_quark_from_static_string("sched_process_fork"), | |
920 | NULL, 0, handle_sched_process_fork, NULL, NULL, NULL); | |
54761a45 JD |
921 | /* to clean up the process table */ |
922 | bt_ctf_iter_add_callback(iter, | |
923 | g_quark_from_static_string("sched_process_free"), | |
924 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
08d1cfbe JD |
925 | /* to get all the process from the statedumps */ |
926 | bt_ctf_iter_add_callback(iter, | |
927 | g_quark_from_static_string( | |
928 | "lttng_statedump_process_state"), | |
929 | NULL, 0, handle_statedump_process_state, | |
930 | NULL, NULL, NULL); | |
931 | bt_ctf_iter_add_callback(iter, | |
932 | g_quark_from_static_string( | |
933 | "lttng_statedump_file_descriptor"), | |
934 | NULL, 0, handle_statedump_file_descriptor, | |
935 | NULL, NULL, NULL); | |
936 | bt_ctf_iter_add_callback(iter, | |
937 | g_quark_from_static_string("sys_open"), | |
938 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
9f2856ad JD |
939 | bt_ctf_iter_add_callback(iter, |
940 | g_quark_from_static_string("sys_socket"), | |
941 | NULL, 0, handle_sys_socket, NULL, NULL, NULL); | |
08d1cfbe JD |
942 | bt_ctf_iter_add_callback(iter, |
943 | g_quark_from_static_string("sys_close"), | |
944 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
945 | bt_ctf_iter_add_callback(iter, | |
946 | g_quark_from_static_string("exit_syscall"), | |
947 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
6777529d JD |
948 | if (opt_textdump) { |
949 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
bca0e79c | 950 | textdump, |
6777529d JD |
951 | NULL, NULL, NULL); |
952 | } else { | |
953 | /* at each event check if we need to refresh */ | |
954 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
955 | check_timestamp, | |
956 | NULL, NULL, NULL); | |
6777529d JD |
957 | /* to handle the scheduling events */ |
958 | bt_ctf_iter_add_callback(iter, | |
959 | g_quark_from_static_string("sched_switch"), | |
960 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
6777529d | 961 | /* for IO top */ |
6777529d JD |
962 | bt_ctf_iter_add_callback(iter, |
963 | g_quark_from_static_string("sys_write"), | |
964 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
965 | bt_ctf_iter_add_callback(iter, | |
966 | g_quark_from_static_string("sys_read"), | |
967 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
246d5992 JD |
968 | |
969 | /* for kprobes */ | |
da4353bb JD |
970 | if (lttngtop.kprobes_table) { |
971 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
972 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
973 | bt_ctf_iter_add_callback(iter, | |
974 | g_quark_from_static_string( | |
975 | kprobe->probe_name), | |
976 | NULL, 0, handle_kprobes, | |
977 | NULL, NULL, NULL); | |
978 | } | |
246d5992 | 979 | } |
6777529d JD |
980 | } |
981 | ||
54761a45 JD |
982 | if (opt_exec_name) { |
983 | pid_t pid; | |
984 | ||
985 | pid = fork(); | |
986 | if (pid == 0) { | |
987 | execvpe(opt_exec_name, opt_exec_argv, opt_exec_env); | |
988 | exit(EXIT_SUCCESS); | |
989 | } else if (pid > 0) { | |
990 | opt_exec_pid = pid; | |
991 | g_hash_table_insert(tid_filter_list, | |
992 | (gpointer) &pid, | |
993 | &pid); | |
994 | } else { | |
995 | perror("fork"); | |
996 | exit(EXIT_FAILURE); | |
997 | } | |
998 | } | |
999 | ||
fbbda4da | 1000 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
050f9cf9 | 1001 | if (quit || reload_trace) |
ae9e85c7 | 1002 | goto end_iter; |
1fc22eb4 JD |
1003 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
1004 | if (ret < 0) | |
1005 | goto end_iter; | |
1006 | } | |
1007 | ||
1008 | /* block until quit, we reached the end of the trace */ | |
1009 | sem_wait(&end_trace_sem); | |
1010 | ||
1011 | end_iter: | |
06570214 | 1012 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
1013 | } |
1014 | ||
1015 | /* | |
1016 | * bt_context_add_traces_recursive: Open a trace recursively | |
1017 | * (copied from BSD code in converter/babeltrace.c) | |
1018 | * | |
1019 | * Find each trace present in the subdirectory starting from the given | |
1020 | * path, and add them to the context. The packet_seek parameter can be | |
1021 | * NULL: this specify to use the default format packet_seek. | |
1022 | * | |
1023 | * Return: 0 on success, nonzero on failure. | |
1024 | * Unable to open toplevel: failure. | |
1025 | * Unable to open some subdirectory or file: warn and continue; | |
1026 | */ | |
1027 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
1028 | const char *format_str, | |
2e0a1190 | 1029 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
1030 | size_t offset, int whence)) |
1031 | { | |
1032 | FTS *tree; | |
1033 | FTSENT *node; | |
1034 | GArray *trace_ids; | |
1035 | char lpath[PATH_MAX]; | |
1036 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 1037 | int ret = -1; |
1fc22eb4 | 1038 | |
12a91e9d JD |
1039 | if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 || |
1040 | (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 || | |
1041 | (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) { | |
1042 | ret = bt_context_add_trace(ctx, | |
1043 | path, format_str, packet_seek, NULL, NULL); | |
1044 | if (ret < 0) { | |
1045 | fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" " | |
1046 | "for reading.\n", path); | |
1047 | /* Allow to skip erroneous traces. */ | |
1048 | ret = 1; /* partial error */ | |
1049 | } | |
1050 | return ret; | |
1051 | } | |
1fc22eb4 JD |
1052 | /* |
1053 | * Need to copy path, because fts_open can change it. | |
1054 | * It is the pointer array, not the strings, that are constant. | |
1055 | */ | |
1056 | strncpy(lpath, path, PATH_MAX); | |
1057 | lpath[PATH_MAX - 1] = '\0'; | |
1058 | ||
1059 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
1060 | if (tree == NULL) { | |
1061 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
1062 | path); | |
1063 | return -EINVAL; | |
1064 | } | |
1065 | ||
1066 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
1067 | ||
1068 | while ((node = fts_read(tree))) { | |
1069 | int dirfd, metafd; | |
1070 | ||
1071 | if (!(node->fts_info & FTS_D)) | |
1072 | continue; | |
1073 | ||
1074 | dirfd = open(node->fts_accpath, 0); | |
1075 | if (dirfd < 0) { | |
1076 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
1077 | "directory file descriptor.\n"); | |
1078 | ret = dirfd; | |
1079 | goto error; | |
1080 | } | |
1081 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
1082 | if (metafd < 0) { | |
7314c855 | 1083 | close(dirfd); |
7314c855 | 1084 | continue; |
1fc22eb4 JD |
1085 | } else { |
1086 | int trace_id; | |
1087 | ||
1088 | ret = close(metafd); | |
1089 | if (ret < 0) { | |
1090 | perror("close"); | |
1091 | goto error; | |
1092 | } | |
1093 | ret = close(dirfd); | |
1094 | if (ret < 0) { | |
1095 | perror("close"); | |
1096 | goto error; | |
1097 | } | |
1098 | ||
1099 | trace_id = bt_context_add_trace(ctx, | |
1100 | node->fts_accpath, format_str, | |
1101 | packet_seek, NULL, NULL); | |
1102 | if (trace_id < 0) { | |
0d567cf1 | 1103 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 1104 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
1105 | /* Allow to skip erroneous traces. */ |
1106 | continue; | |
1fc22eb4 JD |
1107 | } |
1108 | g_array_append_val(trace_ids, trace_id); | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 1113 | return ret; |
1fc22eb4 JD |
1114 | |
1115 | error: | |
1116 | return ret; | |
1117 | } | |
1118 | ||
4553b4d1 | 1119 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
1120 | int field_cnt, int *tid_check, int *pid_check, |
1121 | int *procname_check, int *ppid_check) | |
1122 | { | |
1123 | int j; | |
bb6d72a2 JD |
1124 | struct perfcounter *global; |
1125 | const char *name; | |
a54d0d2c JD |
1126 | |
1127 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 1128 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 1129 | if (*tid_check == 0) { |
bb6d72a2 | 1130 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 1131 | (*tid_check)++; |
a54d0d2c JD |
1132 | } |
1133 | if (*pid_check == 0) { | |
da401e9c | 1134 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
1135 | (*pid_check)++; |
1136 | } | |
1137 | if (*ppid_check == 0) { | |
bb6d72a2 | 1138 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
1139 | (*ppid_check)++; |
1140 | } | |
1141 | if (*procname_check == 0) { | |
bb6d72a2 | 1142 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
1143 | (*procname_check)++; |
1144 | } | |
bb6d72a2 JD |
1145 | if (strncmp(name, "perf_", 5) == 0) { |
1146 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
1147 | if (!global) { | |
1148 | global = g_new0(struct perfcounter, 1); | |
1149 | /* by default, sort on the first perf context */ | |
1150 | if (g_hash_table_size(global_perf_liszt) == 0) | |
1151 | global->sort = 1; | |
1152 | global->visible = 1; | |
1153 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
1154 | } | |
1155 | } | |
a54d0d2c | 1156 | } |
bb6d72a2 | 1157 | |
a54d0d2c JD |
1158 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
1159 | *procname_check == 1) | |
1160 | return 0; | |
1161 | ||
1162 | return -1; | |
1163 | } | |
1164 | ||
1165 | /* | |
1166 | * check_requirements: check if the required context informations are available | |
1167 | * | |
1168 | * If each mandatory context information is available for at least in one | |
1169 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
1170 | */ |
1171 | int check_requirements(struct bt_context *ctx) | |
1172 | { | |
1173 | unsigned int i, evt_cnt, field_cnt; | |
1174 | struct bt_ctf_event_decl *const * evt_list; | |
1175 | const struct bt_ctf_field_decl *const * field_list; | |
1176 | int tid_check = 0; | |
1177 | int pid_check = 0; | |
1178 | int procname_check = 0; | |
1179 | int ppid_check = 0; | |
1180 | int ret = 0; | |
1181 | ||
b1acd2b3 JD |
1182 | ret = bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); |
1183 | if (ret < 0) { | |
1184 | goto end; | |
1185 | } | |
1186 | ||
a54d0d2c JD |
1187 | for (i = 0; i < evt_cnt; i++) { |
1188 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
1189 | &field_list, &field_cnt); | |
1190 | ret = check_field_requirements(field_list, field_cnt, | |
1191 | &tid_check, &pid_check, &procname_check, | |
1192 | &ppid_check); | |
a54d0d2c JD |
1193 | |
1194 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
1195 | &field_list, &field_cnt); | |
1196 | ret = check_field_requirements(field_list, field_cnt, | |
1197 | &tid_check, &pid_check, &procname_check, | |
1198 | &ppid_check); | |
a54d0d2c JD |
1199 | |
1200 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
1201 | &field_list, &field_cnt); | |
1202 | ret = check_field_requirements(field_list, field_cnt, | |
1203 | &tid_check, &pid_check, &procname_check, | |
1204 | &ppid_check); | |
a54d0d2c JD |
1205 | } |
1206 | ||
1207 | if (tid_check == 0) { | |
1208 | ret = -1; | |
1209 | fprintf(stderr, "[error] missing tid context information\n"); | |
1210 | } | |
1211 | if (pid_check == 0) { | |
1212 | ret = -1; | |
1213 | fprintf(stderr, "[error] missing pid context information\n"); | |
1214 | } | |
1215 | if (ppid_check == 0) { | |
1216 | ret = -1; | |
1217 | fprintf(stderr, "[error] missing ppid context information\n"); | |
1218 | } | |
1219 | if (procname_check == 0) { | |
1220 | ret = -1; | |
1221 | fprintf(stderr, "[error] missing procname context information\n"); | |
1222 | } | |
8fe4d0cf JD |
1223 | if (ret == 0) { |
1224 | valid_trace = 1; | |
1225 | } | |
a54d0d2c | 1226 | |
16b22a0f JD |
1227 | end: |
1228 | return ret; | |
1229 | } | |
1230 | ||
54761a45 JD |
1231 | static void handle_sigchild(int signal) |
1232 | { | |
1233 | int status; | |
1234 | ||
1235 | waitpid(opt_exec_pid, &status, 0); | |
1236 | } | |
1237 | ||
1238 | int main(int argc, char **argv, char **envp) | |
1fc22eb4 JD |
1239 | { |
1240 | int ret; | |
1241 | struct bt_context *bt_ctx = NULL; | |
1242 | ||
957eed46 | 1243 | init_lttngtop(); |
1fc22eb4 JD |
1244 | ret = parse_options(argc, argv); |
1245 | if (ret < 0) { | |
1246 | fprintf(stdout, "Error parsing options.\n\n"); | |
1247 | usage(stdout); | |
1248 | exit(EXIT_FAILURE); | |
1249 | } else if (ret > 0) { | |
1250 | exit(EXIT_SUCCESS); | |
1251 | } | |
1252 | ||
54761a45 JD |
1253 | if (opt_exec_name) { |
1254 | opt_exec_env = envp; | |
1255 | signal(SIGCHLD, handle_sigchild); | |
1256 | } | |
1257 | ||
1258 | if (!opt_input_path && !remote_live && !opt_exec_name) { | |
863dc485 JD |
1259 | /* mmap live */ |
1260 | #ifdef LTTNGTOP_MMAP_LIVE | |
24797198 JD |
1261 | if (opt_textdump) { |
1262 | signal(SIGTERM, handle_textdump_sigterm); | |
1263 | signal(SIGINT, handle_textdump_sigterm); | |
1264 | } | |
b1acd2b3 | 1265 | mmap_live_loop(bt_ctx); |
ae9e85c7 | 1266 | pthread_join(timer_thread, NULL); |
eb677852 JD |
1267 | quit = 1; |
1268 | pthread_join(display_thread, NULL); | |
6777529d | 1269 | |
c78f2cdc | 1270 | lttng_stop_tracing("test"); |
c78f2cdc JD |
1271 | lttng_destroy_session("test"); |
1272 | ||
1fc22eb4 | 1273 | goto end; |
863dc485 | 1274 | #else |
d2f1452b JD |
1275 | fprintf(stderr, "[ERROR] Mmap live support not compiled, specify a " |
1276 | "trace directory or -r <relayd hostname/IP>\n"); | |
1277 | usage(stdout); | |
1278 | ret = -1; | |
863dc485 JD |
1279 | goto end; |
1280 | #endif /* LTTNGTOP_MMAP_LIVE */ | |
1281 | } else if (!opt_input_path && remote_live) { | |
1282 | /* network live */ | |
12a91e9d JD |
1283 | bt_ctx = bt_context_create(); |
1284 | ret = bt_context_add_traces_recursive(bt_ctx, opt_relay_hostname, | |
1285 | "lttng-live", NULL); | |
1286 | if (ret < 0) { | |
1287 | fprintf(stderr, "[error] Opening the trace\n"); | |
1288 | goto end; | |
1289 | } | |
16b22a0f | 1290 | } else { |
957eed46 | 1291 | //init_lttngtop(); |
16b22a0f JD |
1292 | |
1293 | bt_ctx = bt_context_create(); | |
1294 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1295 | if (ret < 0) { | |
1296 | fprintf(stderr, "[error] Opening the trace\n"); | |
1297 | goto end; | |
1298 | } | |
1fc22eb4 | 1299 | |
12a91e9d | 1300 | ret = check_requirements(bt_ctx); |
8fe4d0cf | 1301 | if (ret < 0 && !valid_trace) { |
12a91e9d JD |
1302 | fprintf(stderr, "[error] some mandatory contexts " |
1303 | "were missing, exiting.\n"); | |
8fe4d0cf | 1304 | //goto end; |
12a91e9d JD |
1305 | } |
1306 | ||
1307 | if (!opt_textdump) { | |
ec016cb4 | 1308 | #ifdef HAVE_LIBNCURSES |
12a91e9d JD |
1309 | pthread_create(&display_thread, NULL, ncurses_display, |
1310 | (void *) NULL); | |
1311 | pthread_create(&timer_thread, NULL, refresh_thread, | |
1312 | (void *) NULL); | |
ec016cb4 JD |
1313 | #else |
1314 | printf("Ncurses support not compiled, please install " | |
1315 | "the missing dependencies and recompile\n"); | |
1316 | goto end; | |
1317 | #endif | |
12a91e9d JD |
1318 | } |
1319 | ||
1320 | iter_trace(bt_ctx); | |
863dc485 | 1321 | } |
1fc22eb4 | 1322 | |
1fc22eb4 | 1323 | |
863dc485 JD |
1324 | pthread_join(display_thread, NULL); |
1325 | quit = 1; | |
1326 | pthread_join(timer_thread, NULL); | |
1fc22eb4 | 1327 | |
d2f1452b JD |
1328 | ret = 0; |
1329 | ||
1fc22eb4 | 1330 | end: |
16b22a0f JD |
1331 | if (bt_ctx) |
1332 | bt_context_put(bt_ctx); | |
1333 | ||
d2f1452b | 1334 | return ret; |
1fc22eb4 | 1335 | } |