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