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> |
6c5f6d07 | 43 | |
b1acd2b3 | 44 | #ifdef LTTNGTOP_MMAP_LIVE |
16b22a0f | 45 | #include <lttng/lttngtop-helper.h> |
c78f2cdc | 46 | #include <babeltrace/lttngtopmmappacketseek.h> |
b1acd2b3 JD |
47 | #include "mmap-live.h" |
48 | #endif /* LTTNGTOP_MMAP_LIVE */ | |
1fc22eb4 JD |
49 | |
50 | #include "lttngtoptypes.h" | |
51 | #include "cputop.h" | |
52 | #include "iostreamtop.h" | |
1fc22eb4 | 53 | #include "common.h" |
b1acd2b3 | 54 | #include "network-live.h" |
f248b7d8 | 55 | #include "lttng-session.h" |
b1acd2b3 | 56 | |
ec016cb4 JD |
57 | #ifdef HAVE_LIBNCURSES |
58 | #include "cursesdisplay.h" | |
59 | #endif | |
60 | ||
12a91e9d JD |
61 | #define NET_URL_PREFIX "net://" |
62 | #define NET4_URL_PREFIX "net4://" | |
63 | #define NET6_URL_PREFIX "net6://" | |
1fc22eb4 JD |
64 | |
65 | #define DEFAULT_FILE_ARRAY_SIZE 1 | |
66 | ||
67 | const char *opt_input_path; | |
12a91e9d JD |
68 | int opt_textdump; |
69 | int opt_child; | |
70 | int opt_begin; | |
796712db | 71 | int opt_all; |
1fc22eb4 | 72 | |
ae9e85c7 | 73 | int quit = 0; |
8fe4d0cf JD |
74 | /* We need at least one valid trace to start processing. */ |
75 | int valid_trace = 0; | |
ae9e85c7 | 76 | |
1fc22eb4 JD |
77 | struct lttngtop *copy; |
78 | pthread_t display_thread; | |
79 | pthread_t timer_thread; | |
80 | ||
81 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
82 | unsigned long last_display_update = 0; | |
863dc485 | 83 | unsigned long last_event_ts = 0; |
bca0e79c | 84 | struct syscall *last_syscall; |
1fc22eb4 | 85 | |
16b22a0f | 86 | /* list of FDs available for being read with snapshots */ |
b1acd2b3 | 87 | struct bt_mmap_stream_list mmap_list; |
16b22a0f JD |
88 | GPtrArray *lttng_consumer_stream_array; |
89 | int sessiond_metadata, consumerd_metadata; | |
4e6aeb3d JD |
90 | struct lttng_consumer_local_data *ctx = NULL; |
91 | /* list of snapshots currently not consumed */ | |
92 | GPtrArray *available_snapshots; | |
93 | sem_t metadata_available; | |
050f9cf9 | 94 | int reload_trace = 0; |
16b22a0f | 95 | |
010f485a JD |
96 | uint64_t prev_ts = 0; |
97 | ||
1fc22eb4 JD |
98 | enum { |
99 | OPT_NONE = 0, | |
100 | OPT_HELP, | |
6777529d | 101 | OPT_TEXTDUMP, |
32b70e07 JD |
102 | OPT_PID, |
103 | OPT_CHILD, | |
26e46dde | 104 | OPT_PROCNAME, |
b1acd2b3 | 105 | OPT_RELAY_HOSTNAME, |
f16e36fc | 106 | OPT_KPROBES, |
3160c7a9 | 107 | OPT_BEGIN, |
796712db | 108 | OPT_ALL, |
09e7f98e JD |
109 | OPT_OUTPUT_FILE, |
110 | OPT_VERBOSE, | |
3012757f | 111 | OPT_GUI_TEST, |
f248b7d8 | 112 | OPT_CREATE_LOCAL_SESSION, |
26d63ddf | 113 | OPT_CREATE_LIVE_SESSION, |
1fc22eb4 JD |
114 | }; |
115 | ||
116 | static struct poptOption long_options[] = { | |
117 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
118 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
6777529d | 119 | { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL }, |
32b70e07 | 120 | { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL }, |
3160c7a9 | 121 | { "begin", 'b', POPT_ARG_NONE, NULL, OPT_BEGIN, NULL, NULL }, |
57bff788 | 122 | { "pid", 'p', POPT_ARG_STRING, &opt_tid, OPT_PID, NULL, NULL }, |
26e46dde | 123 | { "procname", 'n', POPT_ARG_STRING, &opt_procname, OPT_PROCNAME, NULL, NULL }, |
b1acd2b3 JD |
124 | { "relay-hostname", 'r', POPT_ARG_STRING, &opt_relay_hostname, |
125 | OPT_RELAY_HOSTNAME, NULL, NULL }, | |
f16e36fc | 126 | { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL }, |
796712db | 127 | { "all", 'a', POPT_ARG_NONE, NULL, OPT_ALL, NULL, NULL }, |
09e7f98e JD |
128 | { "output", 'o', POPT_ARG_STRING, &opt_output, OPT_OUTPUT_FILE, NULL, NULL }, |
129 | { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, | |
3012757f | 130 | { "gui-test", 'g', POPT_ARG_NONE, NULL, OPT_GUI_TEST, NULL, NULL }, |
f248b7d8 | 131 | { "create-local-session", 0, POPT_ARG_NONE, NULL, OPT_CREATE_LOCAL_SESSION, NULL, NULL }, |
26d63ddf | 132 | { "create-live-session", 0, POPT_ARG_NONE, NULL, OPT_CREATE_LIVE_SESSION, NULL, NULL }, |
1fc22eb4 JD |
133 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
134 | }; | |
135 | ||
863dc485 | 136 | #ifdef LTTNGTOP_MMAP_LIVE |
24797198 JD |
137 | static void handle_textdump_sigterm(int signal) |
138 | { | |
139 | quit = 1; | |
140 | lttng_destroy_session("test"); | |
141 | } | |
863dc485 | 142 | #endif |
24797198 | 143 | |
1fc22eb4 JD |
144 | void *refresh_thread(void *p) |
145 | { | |
146 | while (1) { | |
ae9e85c7 JD |
147 | if (quit) { |
148 | sem_post(&pause_sem); | |
149 | sem_post(&timer); | |
1402044a | 150 | sem_post(&end_trace_sem); |
ae9e85c7 | 151 | sem_post(&goodtodisplay); |
1402044a | 152 | sem_post(&goodtoupdate); |
ae9e85c7 JD |
153 | pthread_exit(0); |
154 | } | |
1402044a | 155 | if (!opt_input_path) { |
b1acd2b3 JD |
156 | #ifdef LTTNGTOP_MMAP_LIVE |
157 | mmap_live_flush(mmap_list); | |
158 | #endif | |
1402044a | 159 | } |
1fc22eb4 JD |
160 | sem_wait(&pause_sem); |
161 | sem_post(&pause_sem); | |
162 | sem_post(&timer); | |
163 | sleep(refresh_display/NSEC_PER_SEC); | |
164 | } | |
165 | } | |
166 | ||
ec016cb4 | 167 | #ifdef HAVE_LIBNCURSES |
1fc22eb4 JD |
168 | void *ncurses_display(void *p) |
169 | { | |
170 | unsigned int current_display_index = 0; | |
171 | ||
172 | sem_wait(&bootstrap); | |
b332d28f JD |
173 | /* |
174 | * Prevent the 1 second delay when we hit ESC | |
175 | */ | |
176 | ESCDELAY = 0; | |
1fc22eb4 JD |
177 | init_ncurses(); |
178 | ||
179 | while (1) { | |
180 | sem_wait(&timer); | |
181 | sem_wait(&goodtodisplay); | |
182 | sem_wait(&pause_sem); | |
183 | ||
ae9e85c7 | 184 | if (quit) { |
33572a17 JD |
185 | sem_post(&pause_sem); |
186 | sem_post(&timer); | |
ae9e85c7 JD |
187 | reset_ncurses(); |
188 | pthread_exit(0); | |
189 | } | |
190 | ||
1fc22eb4 | 191 | copy = g_ptr_array_index(copies, current_display_index); |
85db4618 JD |
192 | assert(copy); |
193 | display(current_display_index++); | |
1fc22eb4 JD |
194 | |
195 | sem_post(&goodtoupdate); | |
196 | sem_post(&pause_sem); | |
1fc22eb4 JD |
197 | } |
198 | } | |
ec016cb4 | 199 | #endif /* HAVE_LIBNCURSES */ |
1fc22eb4 | 200 | |
08d1cfbe JD |
201 | void print_fields(struct bt_ctf_event *event, const char *procname, |
202 | int pid) | |
575cc4fd JD |
203 | { |
204 | unsigned int cnt, i; | |
b1acd2b3 JD |
205 | const struct bt_definition *const * list; |
206 | const struct bt_declaration *l; | |
207 | const struct bt_definition *scope; | |
575cc4fd JD |
208 | enum ctf_type_id type; |
209 | const char *str; | |
08d1cfbe JD |
210 | struct processtop *current_proc; |
211 | struct files *current_file; | |
212 | int fd, fd_value = -1; | |
575cc4fd JD |
213 | |
214 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS); | |
215 | ||
216 | bt_ctf_get_field_list(event, scope, &list, &cnt); | |
217 | for (i = 0; i < cnt; i++) { | |
218 | if (i != 0) | |
09e7f98e JD |
219 | fprintf(output, ", "); |
220 | fprintf(output, "%s = ", bt_ctf_field_name(list[i])); | |
9498e78c | 221 | l = bt_ctf_get_decl_from_def(list[i]); |
08d1cfbe JD |
222 | if (strncmp(bt_ctf_field_name(list[i]), "fd", 2) == 0) |
223 | fd = 1; | |
224 | else | |
225 | fd = 0; | |
9498e78c | 226 | type = bt_ctf_field_type(l); |
575cc4fd | 227 | if (type == CTF_TYPE_INTEGER) { |
08d1cfbe JD |
228 | if (bt_ctf_get_int_signedness(l) == 0) { |
229 | fd_value = bt_ctf_get_uint64(list[i]); | |
09e7f98e | 230 | fprintf(output, "%" PRIu64, bt_ctf_get_uint64(list[i])); |
08d1cfbe JD |
231 | } else { |
232 | fd_value = bt_ctf_get_int64(list[i]); | |
09e7f98e | 233 | fprintf(output, "%" PRId64, bt_ctf_get_int64(list[i])); |
08d1cfbe | 234 | } |
575cc4fd | 235 | } else if (type == CTF_TYPE_STRING) { |
09e7f98e | 236 | fprintf(output, "%s", bt_ctf_get_string(list[i])); |
575cc4fd JD |
237 | } else if (type == CTF_TYPE_ARRAY) { |
238 | str = bt_ctf_get_char_array(list[i]); | |
fbbda4da | 239 | if (!bt_ctf_field_get_error() && str) |
09e7f98e | 240 | fprintf(output, "%s", str); |
575cc4fd | 241 | } |
08d1cfbe JD |
242 | if (fd) { |
243 | current_proc = find_process_tid(<tngtop, pid, procname); | |
244 | if (!current_proc) | |
245 | continue; | |
246 | current_file = get_file(current_proc, fd_value); | |
247 | if (!current_file || !current_file->name) | |
248 | continue; | |
09e7f98e | 249 | fprintf(output, "<%s>", current_file->name); |
08d1cfbe | 250 | } |
575cc4fd JD |
251 | } |
252 | } | |
253 | ||
6112d0d4 JD |
254 | /* |
255 | * hook on each event to check the timestamp and refresh the display if | |
256 | * necessary | |
257 | */ | |
bca0e79c | 258 | enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data) |
6112d0d4 JD |
259 | { |
260 | unsigned long timestamp; | |
010f485a | 261 | uint64_t delta; |
6112d0d4 | 262 | struct tm start; |
b520ab45 | 263 | uint64_t ts_nsec_start; |
bca0e79c | 264 | int pid, cpu_id, tid, ret, lookup, current_syscall = 0; |
b1acd2b3 | 265 | const struct bt_definition *scope; |
575cc4fd | 266 | const char *hostname, *procname; |
1d74c4d1 JD |
267 | struct cputime *cpu; |
268 | char *from_syscall = NULL; | |
494bc09a | 269 | int syscall_exit = 0; |
6112d0d4 | 270 | |
6112d0d4 JD |
271 | timestamp = bt_ctf_get_timestamp(call_data); |
272 | ||
863dc485 JD |
273 | /* can happen in network live when tracing is idle */ |
274 | if (timestamp < last_event_ts) | |
275 | goto end_stop; | |
276 | ||
277 | last_event_ts = timestamp; | |
278 | ||
b520ab45 | 279 | start = format_timestamp(timestamp); |
6112d0d4 JD |
280 | ts_nsec_start = timestamp % NSEC_PER_SEC; |
281 | ||
32b70e07 | 282 | pid = get_context_pid(call_data); |
57bff788 | 283 | if (pid == -1ULL && opt_tid) { |
32b70e07 JD |
284 | goto error; |
285 | } | |
b0135e60 JD |
286 | |
287 | tid = get_context_tid(call_data); | |
32b70e07 | 288 | |
c8d75a13 | 289 | hostname = get_context_hostname(call_data); |
a15e6a10 JD |
290 | if (opt_child) |
291 | lookup = pid; | |
292 | else | |
293 | lookup = tid; | |
26e46dde | 294 | if (opt_tid || opt_procname || opt_exec_name) { |
a15e6a10 | 295 | if (!lookup_filter_tid_list(lookup)) { |
b301de1a JD |
296 | /* To display when a process of ours in getting scheduled in */ |
297 | if (strcmp(bt_ctf_event_name(call_data), "sched_switch") == 0) { | |
298 | int next_tid; | |
299 | ||
300 | scope = bt_ctf_get_top_level_scope(call_data, | |
301 | BT_EVENT_FIELDS); | |
302 | next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
303 | scope, "_next_tid")); | |
304 | if (bt_ctf_field_get_error()) { | |
305 | fprintf(stderr, "Missing next_tid field\n"); | |
306 | goto error; | |
307 | } | |
308 | if (!lookup_filter_tid_list(next_tid)) { | |
796712db JD |
309 | if (!opt_all) |
310 | goto end; | |
311 | } else { | |
312 | if (opt_all) | |
09e7f98e | 313 | fprintf(output, "%c[1m", 27); |
b301de1a | 314 | } |
796712db | 315 | } else if (!opt_all) { |
b301de1a JD |
316 | goto end; |
317 | } | |
796712db JD |
318 | } else { |
319 | if (opt_all) | |
09e7f98e | 320 | fprintf(output, "%c[1m", 27); |
b301de1a JD |
321 | } |
322 | } | |
da4353bb | 323 | |
494bc09a JD |
324 | if (((strncmp(bt_ctf_event_name(call_data), |
325 | "exit_syscall", 12)) == 0) || | |
326 | ((strncmp(bt_ctf_event_name(call_data), | |
327 | "syscall_exit", 12)) == 0)) { | |
328 | syscall_exit = 1; | |
329 | } | |
330 | ||
331 | if (last_syscall && !syscall_exit) { | |
bca0e79c | 332 | last_syscall = NULL; |
09e7f98e | 333 | fprintf(output, " ...interrupted...\n"); |
bca0e79c JD |
334 | } |
335 | ||
575cc4fd JD |
336 | cpu_id = get_cpu_id(call_data); |
337 | procname = get_context_comm(call_data); | |
494bc09a JD |
338 | if ((strncmp(bt_ctf_event_name(call_data), "sys_", 4) == 0) || |
339 | (strncmp(bt_ctf_event_name(call_data), "syscall_entry", 13) == 0)){ | |
1d74c4d1 JD |
340 | cpu = get_cpu(cpu_id); |
341 | cpu->current_syscall = g_new0(struct syscall, 1); | |
342 | cpu->current_syscall->name = strdup(bt_ctf_event_name(call_data)); | |
343 | cpu->current_syscall->ts_start = timestamp; | |
bca0e79c JD |
344 | cpu->current_syscall->cpu_id = cpu_id; |
345 | last_syscall = cpu->current_syscall; | |
346 | current_syscall = 1; | |
494bc09a | 347 | } else if (syscall_exit) { |
1d74c4d1 JD |
348 | struct tm start_ts; |
349 | ||
bca0e79c JD |
350 | /* Return code of a syscall if it was the last displayed event. */ |
351 | if (last_syscall && last_syscall->ts_start == prev_ts) { | |
352 | if (last_syscall->cpu_id == cpu_id) { | |
353 | int64_t syscall_ret; | |
354 | ||
355 | delta = timestamp - last_syscall->ts_start; | |
356 | scope = bt_ctf_get_top_level_scope(call_data, | |
357 | BT_EVENT_FIELDS); | |
358 | syscall_ret = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
359 | scope, "_ret")); | |
360 | ||
09e7f98e | 361 | fprintf(output, "= %" PRId64 " (%" PRIu64 ".%09" PRIu64 "s)\n", |
bca0e79c JD |
362 | syscall_ret, delta / NSEC_PER_SEC, |
363 | delta % NSEC_PER_SEC); | |
364 | last_syscall = NULL; | |
365 | goto end; | |
366 | } else { | |
367 | last_syscall = NULL; | |
09e7f98e | 368 | fprintf(output, " ...interrupted...\n"); |
bca0e79c JD |
369 | } |
370 | } | |
371 | ||
1d74c4d1 JD |
372 | cpu = get_cpu(cpu_id); |
373 | if (cpu->current_syscall) { | |
374 | delta = timestamp - cpu->current_syscall->ts_start; | |
375 | start_ts = format_timestamp(cpu->current_syscall->ts_start); | |
54761a45 | 376 | ret = asprintf(&from_syscall, " [from %02d:%02d:%02d.%09" PRIu64 |
bca0e79c | 377 | " (+%" PRIu64 ".%09" PRIu64 ") (cpu %d) %s]", |
1d74c4d1 JD |
378 | start_ts.tm_hour, start_ts.tm_min, start_ts.tm_sec, |
379 | cpu->current_syscall->ts_start % NSEC_PER_SEC, | |
380 | delta / NSEC_PER_SEC, delta % NSEC_PER_SEC, | |
381 | cpu_id, cpu->current_syscall->name); | |
54761a45 JD |
382 | if (ret < 0) { |
383 | goto error; | |
384 | } | |
1d74c4d1 JD |
385 | free(cpu->current_syscall->name); |
386 | g_free(cpu->current_syscall); | |
387 | cpu->current_syscall = NULL; | |
bca0e79c | 388 | last_syscall = NULL; |
1d74c4d1 JD |
389 | } |
390 | } | |
391 | ||
010f485a JD |
392 | if (prev_ts == 0) |
393 | prev_ts = timestamp; | |
394 | delta = timestamp - prev_ts; | |
395 | prev_ts = timestamp; | |
575cc4fd | 396 | |
09e7f98e | 397 | fprintf(output, "%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") %s%s" |
4251cc67 JD |
398 | "(cpu %d) [%s (%d/%d)] %s (", |
399 | start.tm_hour, start.tm_min, start.tm_sec, | |
400 | ts_nsec_start, delta / NSEC_PER_SEC, | |
401 | delta % NSEC_PER_SEC, (hostname) ? hostname : "", | |
402 | (hostname) ? " ": "", cpu_id, procname, pid, tid, | |
403 | bt_ctf_event_name(call_data)); | |
08d1cfbe | 404 | print_fields(call_data, procname, pid); |
09e7f98e | 405 | fprintf(output, ")%s%c", (from_syscall) ? from_syscall : "", |
08d1cfbe | 406 | (!current_syscall) ? '\n' : ' '); |
1d74c4d1 JD |
407 | |
408 | free(from_syscall); | |
26e46dde | 409 | if (opt_all && (opt_tid || opt_procname || opt_exec_name)) |
09e7f98e | 410 | fprintf(output, "%c[0m", 27); |
6112d0d4 | 411 | |
32b70e07 | 412 | end: |
6112d0d4 | 413 | return BT_CB_OK; |
32b70e07 JD |
414 | error: |
415 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
416 | end_stop: |
417 | return BT_CB_OK_STOP; | |
6112d0d4 JD |
418 | } |
419 | ||
246d5992 JD |
420 | enum bt_cb_ret handle_kprobes(struct bt_ctf_event *call_data, void *private_data) |
421 | { | |
422 | int i; | |
423 | struct kprobes *kprobe; | |
424 | ||
425 | /* for kprobes */ | |
426 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
427 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
428 | if (strcmp(bt_ctf_event_name(call_data), kprobe->probe_name) == 0) { | |
429 | kprobe->count++; | |
430 | } | |
431 | } | |
432 | ||
433 | return BT_CB_OK; | |
434 | } | |
435 | ||
1fc22eb4 JD |
436 | /* |
437 | * hook on each event to check the timestamp and refresh the display if | |
438 | * necessary | |
439 | */ | |
4adc8274 | 440 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
441 | { |
442 | unsigned long timestamp; | |
443 | ||
c78f2cdc | 444 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
445 | if (timestamp == -1ULL) |
446 | goto error; | |
447 | ||
863dc485 JD |
448 | /* can happen in network live when tracing is idle */ |
449 | if (timestamp < last_event_ts) | |
450 | goto end_stop; | |
451 | ||
452 | last_event_ts = timestamp; | |
453 | ||
1fc22eb4 JD |
454 | if (last_display_update == 0) |
455 | last_display_update = timestamp; | |
456 | ||
457 | if (timestamp - last_display_update >= refresh_display) { | |
458 | sem_wait(&goodtoupdate); | |
459 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
460 | timestamp)); | |
461 | sem_post(&goodtodisplay); | |
462 | sem_post(&bootstrap); | |
463 | last_display_update = timestamp; | |
464 | } | |
465 | return BT_CB_OK; | |
466 | ||
467 | error: | |
468 | fprintf(stderr, "check_timestamp callback error\n"); | |
469 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
470 | |
471 | end_stop: | |
472 | return BT_CB_OK_STOP; | |
1fc22eb4 JD |
473 | } |
474 | ||
475 | /* | |
476 | * get_perf_counter : get or create and return a perf_counter struct for | |
477 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
478 | */ | |
479 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
480 | struct cputime *cpu) | |
481 | { | |
bb6d72a2 | 482 | struct perfcounter *ret; |
1fc22eb4 JD |
483 | GHashTable *table; |
484 | ||
485 | if (proc) | |
486 | table = proc->perf; | |
487 | else if (cpu) | |
488 | table = cpu->perf; | |
489 | else | |
490 | goto error; | |
491 | ||
492 | ret = g_hash_table_lookup(table, (gpointer) name); | |
493 | if (ret) | |
494 | goto end; | |
495 | ||
559c9f86 | 496 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
497 | /* by default, make it visible in the UI */ |
498 | ret->visible = 1; | |
85db4618 | 499 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 500 | |
1fc22eb4 JD |
501 | end: |
502 | return ret; | |
503 | ||
504 | error: | |
505 | return NULL; | |
506 | } | |
507 | ||
508 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
509 | const char *name, int value) | |
510 | { | |
511 | struct perfcounter *cpu_perf, *process_perf; | |
512 | ||
513 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
514 | if (cpu_perf->count < value) { | |
515 | process_perf = get_perf_counter(name, proc, NULL); | |
516 | process_perf->count += value - cpu_perf->count; | |
517 | cpu_perf->count = value; | |
518 | } | |
519 | } | |
520 | ||
4adc8274 | 521 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 522 | const struct bt_definition *scope, |
1fc22eb4 JD |
523 | struct processtop *proc, |
524 | struct cputime *cpu) | |
525 | { | |
2e0a1190 JD |
526 | struct bt_definition const * const *list = NULL; |
527 | const struct bt_definition *field; | |
1fc22eb4 | 528 | unsigned int count; |
bb6d72a2 JD |
529 | struct perfcounter *perfcounter; |
530 | GHashTableIter iter; | |
531 | gpointer key; | |
532 | int ret; | |
1fc22eb4 JD |
533 | |
534 | if (!scope) | |
535 | goto end; | |
536 | ||
537 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
538 | if (ret < 0) | |
539 | goto end; | |
540 | ||
bb6d72a2 JD |
541 | if (count == 0) |
542 | goto end; | |
543 | ||
544 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
545 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
546 | field = bt_ctf_get_field(event, scope, (char *) key); | |
547 | if (field) { | |
548 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
549 | if (bt_ctf_field_get_error()) |
550 | continue; | |
bb6d72a2 | 551 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
552 | } |
553 | } | |
554 | ||
555 | end: | |
556 | return; | |
557 | } | |
558 | ||
4adc8274 | 559 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 560 | { |
1fc22eb4 | 561 | struct cputime *cpu; |
2e0a1190 | 562 | const struct bt_definition *scope; |
1fc22eb4 | 563 | |
d67167cd | 564 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
565 | |
566 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
567 | extract_perf_counter_scope(event, scope, proc, cpu); | |
568 | ||
569 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
570 | extract_perf_counter_scope(event, scope, proc, cpu); | |
571 | ||
572 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
573 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
574 | } |
575 | ||
4adc8274 | 576 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
577 | void *private_data) |
578 | { | |
1402044a | 579 | int pid, tid, ppid, vpid, vtid, vppid; |
c8d75a13 | 580 | char *comm, *hostname; |
1fc22eb4 | 581 | struct processtop *parent, *child; |
1fc22eb4 JD |
582 | unsigned long timestamp; |
583 | ||
c78f2cdc | 584 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
585 | if (timestamp == -1ULL) |
586 | goto error; | |
587 | ||
1dec520a JD |
588 | pid = get_context_pid(call_data); |
589 | if (pid == -1ULL) { | |
1fc22eb4 JD |
590 | goto error; |
591 | } | |
96aa77de | 592 | |
1dec520a JD |
593 | tid = get_context_tid(call_data); |
594 | if (tid == -1ULL) { | |
1fc22eb4 JD |
595 | goto error; |
596 | } | |
1dec520a JD |
597 | ppid = get_context_ppid(call_data); |
598 | if (ppid == -1ULL) { | |
8fe4d0cf | 599 | goto end; |
1fc22eb4 | 600 | } |
1402044a JD |
601 | vpid = get_context_vpid(call_data); |
602 | if (pid == -1ULL) { | |
603 | vpid = -1; | |
604 | } | |
605 | vtid = get_context_vtid(call_data); | |
606 | if (tid == -1ULL) { | |
607 | vtid = -1; | |
608 | } | |
609 | vppid = get_context_vppid(call_data); | |
610 | if (ppid == -1ULL) { | |
611 | vppid = -1; | |
612 | } | |
1dec520a JD |
613 | comm = get_context_comm(call_data); |
614 | if (!comm) { | |
1fc22eb4 JD |
615 | goto error; |
616 | } | |
c8d75a13 JD |
617 | /* optional */ |
618 | hostname = get_context_hostname(call_data); | |
1fc22eb4 JD |
619 | |
620 | /* find or create the current process */ | |
621 | child = find_process_tid(<tngtop, tid, comm); | |
622 | if (!child) | |
906c08f6 | 623 | child = add_proc(<tngtop, tid, comm, timestamp, hostname); |
96aa77de JD |
624 | if (!child) |
625 | goto end; | |
c8d75a13 | 626 | update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm, hostname); |
1fc22eb4 | 627 | |
26e46dde JD |
628 | if (opt_procname && lookup_procname(comm) && |
629 | !lookup_filter_tid_list(tid)) { | |
630 | int *tmp_tid; | |
631 | ||
632 | tmp_tid = malloc(sizeof(int)); | |
633 | *tmp_tid = tid; | |
634 | printf("ADDING %s %d\n", comm, tid); | |
635 | g_hash_table_insert(global_filter_list, | |
636 | (gpointer) tmp_tid, tmp_tid); | |
637 | } | |
638 | ||
1fc22eb4 JD |
639 | if (pid != tid) { |
640 | /* find or create the parent */ | |
641 | parent = find_process_tid(<tngtop, pid, comm); | |
642 | if (!parent) { | |
906c08f6 | 643 | parent = add_proc(<tngtop, pid, comm, timestamp, hostname); |
96aa77de JD |
644 | if (parent) |
645 | parent->pid = pid; | |
1fc22eb4 JD |
646 | } |
647 | ||
648 | /* attach the parent to the current process */ | |
649 | child->threadparent = parent; | |
650 | add_thread(parent, child); | |
651 | } | |
652 | ||
653 | update_perf_counter(child, call_data); | |
654 | ||
96aa77de | 655 | end: |
1fc22eb4 JD |
656 | return BT_CB_OK; |
657 | ||
658 | error: | |
659 | return BT_CB_ERROR_STOP; | |
660 | } | |
661 | ||
662 | void init_lttngtop() | |
663 | { | |
664 | copies = g_ptr_array_new(); | |
0d91c12a | 665 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
da4353bb | 666 | global_filter_list = g_hash_table_new(g_str_hash, g_str_equal); |
114cae59 | 667 | global_host_list = g_hash_table_new(g_str_hash, g_str_equal); |
26e46dde | 668 | global_procname_list = g_hash_table_new(g_str_hash, g_str_equal); |
54761a45 JD |
669 | tid_filter_list = g_hash_table_new(g_str_hash, |
670 | g_str_equal); | |
1fc22eb4 JD |
671 | |
672 | sem_init(&goodtodisplay, 0, 0); | |
673 | sem_init(&goodtoupdate, 0, 1); | |
674 | sem_init(&timer, 0, 1); | |
675 | sem_init(&bootstrap, 0, 0); | |
676 | sem_init(&pause_sem, 0, 1); | |
677 | sem_init(&end_trace_sem, 0, 0); | |
678 | ||
e05a35a6 JD |
679 | reset_global_counters(); |
680 | lttngtop.nbproc = 0; | |
681 | lttngtop.nbthreads = 0; | |
682 | lttngtop.nbfiles = 0; | |
683 | ||
30b646c4 JD |
684 | lttngtop.process_hash_table = g_hash_table_new(g_direct_hash, |
685 | g_direct_equal); | |
1fc22eb4 JD |
686 | lttngtop.process_table = g_ptr_array_new(); |
687 | lttngtop.files_table = g_ptr_array_new(); | |
688 | lttngtop.cpu_table = g_ptr_array_new(); | |
da4353bb JD |
689 | |
690 | toggle_filter = -1; | |
1fc22eb4 JD |
691 | } |
692 | ||
c263c4eb | 693 | void usage(FILE *fp) |
1fc22eb4 | 694 | { |
c263c4eb | 695 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
d2f1452b JD |
696 | fprintf(fp, "Usage : lttngtop [OPTIONS] TRACE\n"); |
697 | fprintf(fp, " TRACE Path to the trace to analyse (-r for network live tracing, nothing for mmap live streaming)\n"); | |
c8d75a13 JD |
698 | fprintf(fp, " -h, --help This help message\n"); |
699 | fprintf(fp, " -t, --textdump Display live events in text-only\n"); | |
700 | fprintf(fp, " -p, --pid Comma-separated list of PIDs to display\n"); | |
701 | fprintf(fp, " -f, --child Follow threads associated with selected PIDs\n"); | |
26e46dde | 702 | fprintf(fp, " -n, --procname Comma-separated list of procnames to display (require procname context in trace)\n"); |
796712db | 703 | 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 | 704 | fprintf(fp, " -k, --kprobes Comma-separated list of kprobes to insert (same format as lttng enable-event)\n"); |
bab469fc JD |
705 | fprintf(fp, " -r, --relay-hostname Network live streaming : hostname of the lttng-relayd (default port)\n"); |
706 | fprintf(fp, " -b, --begin Network live streaming : read the trace for the beginning of the recording\n"); | |
09e7f98e | 707 | fprintf(fp, " -o, --output <filename> In textdump, output the log in <filename>\n"); |
3012757f | 708 | fprintf(fp, " -g, --gui-test Test if the ncurses support is compiled in (return 0 if it is)\n"); |
26d63ddf JD |
709 | fprintf(fp, " --create-local-session Setup a LTTng local session with all the right parameters\n"); |
710 | fprintf(fp, " --create-live-session Setup a LTTng live session on localhost with all the right parameters\n"); | |
1fc22eb4 JD |
711 | } |
712 | ||
f16e36fc JD |
713 | /* |
714 | * Parse probe options. | |
715 | * Shamelessly stolen from lttng-tools : | |
716 | * src/bin/lttng/commands/enable_events.c | |
717 | */ | |
718 | static struct kprobes *parse_probe_opts(char *opt) | |
719 | { | |
720 | char s_hex[19]; | |
721 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
722 | struct kprobes *kprobe; | |
723 | int ret; | |
724 | ||
725 | /* | |
726 | kprobe->probe_addr = 0; | |
727 | kprobe->probe_offset = 0; | |
728 | asprintf(&kprobe->probe_name, "probe_sys_open"); | |
729 | asprintf(&kprobe->symbol_name, "sys_open"); | |
730 | */ | |
731 | ||
732 | if (opt == NULL) { | |
733 | kprobe = NULL; | |
734 | goto end; | |
735 | } | |
736 | ||
737 | kprobe = g_new0(struct kprobes, 1); | |
738 | ||
739 | /* Check for symbol+offset */ | |
740 | ret = sscanf(opt, "%[^'+']+%s", name, s_hex); | |
741 | if (ret == 2) { | |
b1acd2b3 JD |
742 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
743 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
744 | |
745 | if (strlen(s_hex) == 0) { | |
746 | fprintf(stderr, "Invalid probe offset %s", s_hex); | |
747 | ret = -1; | |
748 | goto end; | |
749 | } | |
750 | kprobe->probe_offset = strtoul(s_hex, NULL, 0); | |
751 | kprobe->probe_addr = 0; | |
752 | goto end; | |
753 | } | |
754 | ||
755 | /* Check for symbol */ | |
756 | if (isalpha(name[0])) { | |
757 | ret = sscanf(opt, "%s", name); | |
758 | if (ret == 1) { | |
b1acd2b3 JD |
759 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
760 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
761 | kprobe->probe_offset = 0; |
762 | kprobe->probe_addr = 0; | |
763 | goto end; | |
764 | } | |
765 | } | |
766 | ||
767 | /* Check for address */ | |
768 | ret = sscanf(opt, "%s", s_hex); | |
769 | if (ret > 0) { | |
770 | if (strlen(s_hex) == 0) { | |
771 | fprintf(stderr, "Invalid probe address %s", s_hex); | |
772 | ret = -1; | |
773 | goto end; | |
774 | } | |
b1acd2b3 | 775 | ret = asprintf(&kprobe->probe_name, "probe_%s", s_hex); |
f16e36fc JD |
776 | kprobe->probe_offset = 0; |
777 | kprobe->probe_addr = strtoul(s_hex, NULL, 0); | |
778 | goto end; | |
779 | } | |
780 | ||
781 | /* No match */ | |
782 | kprobe = NULL; | |
783 | ||
784 | end: | |
785 | return kprobe; | |
786 | } | |
787 | ||
1fc22eb4 JD |
788 | /* |
789 | * Return 0 if caller should continue, < 0 if caller should return | |
790 | * error, > 0 if caller should exit without reporting error. | |
791 | */ | |
792 | static int parse_options(int argc, char **argv) | |
793 | { | |
794 | poptContext pc; | |
795 | int opt, ret = 0; | |
57bff788 JD |
796 | char *tmp_str; |
797 | int *tid; | |
54761a45 | 798 | int i; |
1fc22eb4 | 799 | |
b1acd2b3 JD |
800 | remote_live = 0; |
801 | ||
1fc22eb4 JD |
802 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
803 | poptReadDefaultConfig(pc, 0); | |
804 | ||
805 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
806 | switch (opt) { | |
807 | case OPT_HELP: | |
808 | usage(stdout); | |
809 | ret = 1; /* exit cleanly */ | |
810 | goto end; | |
3012757f JD |
811 | case OPT_GUI_TEST: |
812 | #ifdef HAVE_LIBNCURSES | |
813 | exit(EXIT_SUCCESS); | |
814 | #else | |
815 | exit(EXIT_FAILURE); | |
816 | #endif | |
817 | goto end; | |
f248b7d8 JD |
818 | case OPT_CREATE_LOCAL_SESSION: |
819 | ret = create_local_session(); | |
820 | exit(ret); | |
26d63ddf | 821 | case OPT_CREATE_LIVE_SESSION: |
6a1b139c | 822 | ret = create_live_local_session(NULL, NULL, 1); |
26d63ddf | 823 | exit(ret); |
6777529d JD |
824 | case OPT_TEXTDUMP: |
825 | opt_textdump = 1; | |
32b70e07 | 826 | break; |
796712db JD |
827 | case OPT_ALL: |
828 | opt_all = 1; | |
829 | break; | |
32b70e07 | 830 | case OPT_CHILD: |
32b70e07 JD |
831 | opt_child = 1; |
832 | break; | |
833 | case OPT_PID: | |
da4353bb | 834 | toggle_filter = 1; |
57bff788 JD |
835 | tmp_str = strtok(opt_tid, ","); |
836 | while (tmp_str) { | |
837 | tid = malloc(sizeof(int)); | |
838 | *tid = atoi(tmp_str); | |
ea5d1dc9 | 839 | g_hash_table_insert(tid_filter_list, |
c8d75a13 JD |
840 | (gpointer) tid, tid); |
841 | tmp_str = strtok(NULL, ","); | |
842 | } | |
843 | break; | |
3160c7a9 JD |
844 | case OPT_BEGIN: |
845 | /* start reading the live trace from the beginning */ | |
846 | opt_begin = 1; | |
847 | break; | |
26e46dde | 848 | case OPT_PROCNAME: |
da4353bb | 849 | toggle_filter = 1; |
26e46dde | 850 | tmp_str = strtok(opt_procname, ","); |
c8d75a13 | 851 | while (tmp_str) { |
26e46dde | 852 | add_procname_list(tmp_str, 1); |
57bff788 JD |
853 | tmp_str = strtok(NULL, ","); |
854 | } | |
32b70e07 | 855 | break; |
b1acd2b3 JD |
856 | case OPT_RELAY_HOSTNAME: |
857 | remote_live = 1; | |
858 | break; | |
f16e36fc JD |
859 | case OPT_KPROBES: |
860 | lttngtop.kprobes_table = g_ptr_array_new(); | |
861 | tmp_str = strtok(opt_kprobes, ","); | |
862 | while (tmp_str) { | |
863 | struct kprobes *kprobe; | |
864 | ||
865 | kprobe = parse_probe_opts(tmp_str); | |
866 | if (kprobe) { | |
867 | g_ptr_array_add( | |
868 | lttngtop.kprobes_table, | |
869 | kprobe); | |
870 | } else { | |
871 | ret = -EINVAL; | |
872 | goto end; | |
873 | } | |
874 | tmp_str = strtok(NULL, ","); | |
875 | } | |
876 | break; | |
09e7f98e JD |
877 | case OPT_OUTPUT_FILE: |
878 | break; | |
879 | case OPT_VERBOSE: | |
880 | babeltrace_verbose = 1; | |
881 | break; | |
1fc22eb4 JD |
882 | default: |
883 | ret = -EINVAL; | |
884 | goto end; | |
885 | } | |
886 | } | |
887 | ||
54761a45 JD |
888 | opt_exec_name = NULL; |
889 | opt_exec_argv = NULL; | |
890 | for (i = 0; i < argc; i++) { | |
891 | if (argv[i][0] == '-' && argv[i][1] == '-') { | |
892 | opt_exec_name = argv[i + 1]; | |
893 | opt_exec_argv = &argv[i + 1]; | |
894 | break; | |
895 | } | |
896 | } | |
897 | if (!opt_exec_name) { | |
898 | opt_input_path = poptGetArg(pc); | |
899 | } | |
09e7f98e JD |
900 | if (!opt_output) { |
901 | opt_output = strdup("/dev/stdout"); | |
902 | } | |
903 | output = fopen(opt_output, "w"); | |
904 | if (!output) { | |
905 | perror("Error opening output file"); | |
906 | ret = -1; | |
907 | goto end; | |
908 | } | |
16b22a0f | 909 | |
1fc22eb4 JD |
910 | end: |
911 | if (pc) { | |
912 | poptFreeContext(pc); | |
913 | } | |
914 | return ret; | |
915 | } | |
916 | ||
917 | void iter_trace(struct bt_context *bt_ctx) | |
918 | { | |
919 | struct bt_ctf_iter *iter; | |
920 | struct bt_iter_pos begin_pos; | |
246d5992 | 921 | struct kprobes *kprobe; |
4adc8274 | 922 | const struct bt_ctf_event *event; |
246d5992 | 923 | int i; |
1fc22eb4 JD |
924 | int ret = 0; |
925 | ||
926 | begin_pos.type = BT_SEEK_BEGIN; | |
927 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
928 | ||
da4353bb JD |
929 | /* at each event, verify the status of the process table */ |
930 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
931 | fix_process_table, | |
932 | NULL, NULL, NULL); | |
6e11e0d0 JD |
933 | /* to handle the follow child option */ |
934 | bt_ctf_iter_add_callback(iter, | |
935 | g_quark_from_static_string("sched_process_fork"), | |
936 | NULL, 0, handle_sched_process_fork, NULL, NULL, NULL); | |
54761a45 JD |
937 | /* to clean up the process table */ |
938 | bt_ctf_iter_add_callback(iter, | |
939 | g_quark_from_static_string("sched_process_free"), | |
940 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
08d1cfbe JD |
941 | /* to get all the process from the statedumps */ |
942 | bt_ctf_iter_add_callback(iter, | |
943 | g_quark_from_static_string( | |
944 | "lttng_statedump_process_state"), | |
945 | NULL, 0, handle_statedump_process_state, | |
946 | NULL, NULL, NULL); | |
947 | bt_ctf_iter_add_callback(iter, | |
948 | g_quark_from_static_string( | |
949 | "lttng_statedump_file_descriptor"), | |
950 | NULL, 0, handle_statedump_file_descriptor, | |
951 | NULL, NULL, NULL); | |
952 | bt_ctf_iter_add_callback(iter, | |
953 | g_quark_from_static_string("sys_open"), | |
954 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
fbb7311b JD |
955 | bt_ctf_iter_add_callback(iter, |
956 | g_quark_from_static_string("syscall_entry_open"), | |
957 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
958 | ||
9f2856ad JD |
959 | bt_ctf_iter_add_callback(iter, |
960 | g_quark_from_static_string("sys_socket"), | |
961 | NULL, 0, handle_sys_socket, NULL, NULL, NULL); | |
fbb7311b JD |
962 | bt_ctf_iter_add_callback(iter, |
963 | g_quark_from_static_string("syscall_entry_socket"), | |
964 | NULL, 0, handle_sys_socket, NULL, NULL, NULL); | |
965 | ||
08d1cfbe JD |
966 | bt_ctf_iter_add_callback(iter, |
967 | g_quark_from_static_string("sys_close"), | |
968 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
fbb7311b JD |
969 | bt_ctf_iter_add_callback(iter, |
970 | g_quark_from_static_string("syscall_entry_close"), | |
971 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
972 | ||
08d1cfbe JD |
973 | bt_ctf_iter_add_callback(iter, |
974 | g_quark_from_static_string("exit_syscall"), | |
975 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
fbb7311b JD |
976 | bt_ctf_iter_add_callback(iter, |
977 | g_quark_from_static_string("syscall_exit_open"), | |
978 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
979 | bt_ctf_iter_add_callback(iter, | |
980 | g_quark_from_static_string("syscall_exit_socket"), | |
981 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
982 | bt_ctf_iter_add_callback(iter, | |
983 | g_quark_from_static_string("syscall_exit_close"), | |
984 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
6777529d JD |
985 | if (opt_textdump) { |
986 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
bca0e79c | 987 | textdump, |
6777529d JD |
988 | NULL, NULL, NULL); |
989 | } else { | |
990 | /* at each event check if we need to refresh */ | |
991 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
992 | check_timestamp, | |
993 | NULL, NULL, NULL); | |
6777529d JD |
994 | /* to handle the scheduling events */ |
995 | bt_ctf_iter_add_callback(iter, | |
996 | g_quark_from_static_string("sched_switch"), | |
997 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
6777529d | 998 | /* for IO top */ |
6777529d JD |
999 | bt_ctf_iter_add_callback(iter, |
1000 | g_quark_from_static_string("sys_write"), | |
1001 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
fbb7311b JD |
1002 | bt_ctf_iter_add_callback(iter, |
1003 | g_quark_from_static_string("syscall_entry_write"), | |
1004 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
1005 | bt_ctf_iter_add_callback(iter, | |
1006 | g_quark_from_static_string("syscall_exit_write"), | |
1007 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
1008 | ||
6777529d JD |
1009 | bt_ctf_iter_add_callback(iter, |
1010 | g_quark_from_static_string("sys_read"), | |
1011 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
fbb7311b JD |
1012 | bt_ctf_iter_add_callback(iter, |
1013 | g_quark_from_static_string("syscall_entry_read"), | |
1014 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
1015 | bt_ctf_iter_add_callback(iter, | |
1016 | g_quark_from_static_string("syscall_exit_read"), | |
1017 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
246d5992 JD |
1018 | |
1019 | /* for kprobes */ | |
da4353bb JD |
1020 | if (lttngtop.kprobes_table) { |
1021 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
1022 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
1023 | bt_ctf_iter_add_callback(iter, | |
1024 | g_quark_from_static_string( | |
1025 | kprobe->probe_name), | |
1026 | NULL, 0, handle_kprobes, | |
1027 | NULL, NULL, NULL); | |
1028 | } | |
246d5992 | 1029 | } |
6777529d JD |
1030 | } |
1031 | ||
54761a45 JD |
1032 | if (opt_exec_name) { |
1033 | pid_t pid; | |
1034 | ||
1035 | pid = fork(); | |
1036 | if (pid == 0) { | |
1037 | execvpe(opt_exec_name, opt_exec_argv, opt_exec_env); | |
1038 | exit(EXIT_SUCCESS); | |
1039 | } else if (pid > 0) { | |
1040 | opt_exec_pid = pid; | |
1041 | g_hash_table_insert(tid_filter_list, | |
1042 | (gpointer) &pid, | |
1043 | &pid); | |
1044 | } else { | |
1045 | perror("fork"); | |
1046 | exit(EXIT_FAILURE); | |
1047 | } | |
1048 | } | |
1049 | ||
fbbda4da | 1050 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
050f9cf9 | 1051 | if (quit || reload_trace) |
ae9e85c7 | 1052 | goto end_iter; |
1fc22eb4 JD |
1053 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
1054 | if (ret < 0) | |
1055 | goto end_iter; | |
1056 | } | |
1057 | ||
1058 | /* block until quit, we reached the end of the trace */ | |
1059 | sem_wait(&end_trace_sem); | |
1060 | ||
1061 | end_iter: | |
06570214 | 1062 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
1063 | } |
1064 | ||
1065 | /* | |
1066 | * bt_context_add_traces_recursive: Open a trace recursively | |
1067 | * (copied from BSD code in converter/babeltrace.c) | |
1068 | * | |
1069 | * Find each trace present in the subdirectory starting from the given | |
1070 | * path, and add them to the context. The packet_seek parameter can be | |
1071 | * NULL: this specify to use the default format packet_seek. | |
1072 | * | |
1073 | * Return: 0 on success, nonzero on failure. | |
1074 | * Unable to open toplevel: failure. | |
1075 | * Unable to open some subdirectory or file: warn and continue; | |
1076 | */ | |
1077 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
1078 | const char *format_str, | |
2e0a1190 | 1079 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
1080 | size_t offset, int whence)) |
1081 | { | |
1082 | FTS *tree; | |
1083 | FTSENT *node; | |
1084 | GArray *trace_ids; | |
1085 | char lpath[PATH_MAX]; | |
1086 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 1087 | int ret = -1; |
1fc22eb4 | 1088 | |
12a91e9d JD |
1089 | if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 || |
1090 | (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 || | |
1091 | (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) { | |
1092 | ret = bt_context_add_trace(ctx, | |
1093 | path, format_str, packet_seek, NULL, NULL); | |
1094 | if (ret < 0) { | |
1095 | fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" " | |
1096 | "for reading.\n", path); | |
1097 | /* Allow to skip erroneous traces. */ | |
1098 | ret = 1; /* partial error */ | |
1099 | } | |
1100 | return ret; | |
1101 | } | |
1fc22eb4 JD |
1102 | /* |
1103 | * Need to copy path, because fts_open can change it. | |
1104 | * It is the pointer array, not the strings, that are constant. | |
1105 | */ | |
1106 | strncpy(lpath, path, PATH_MAX); | |
1107 | lpath[PATH_MAX - 1] = '\0'; | |
1108 | ||
1109 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
1110 | if (tree == NULL) { | |
1111 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
1112 | path); | |
1113 | return -EINVAL; | |
1114 | } | |
1115 | ||
1116 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
1117 | ||
1118 | while ((node = fts_read(tree))) { | |
1119 | int dirfd, metafd; | |
1120 | ||
1121 | if (!(node->fts_info & FTS_D)) | |
1122 | continue; | |
1123 | ||
1124 | dirfd = open(node->fts_accpath, 0); | |
1125 | if (dirfd < 0) { | |
1126 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
1127 | "directory file descriptor.\n"); | |
1128 | ret = dirfd; | |
1129 | goto error; | |
1130 | } | |
1131 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
1132 | if (metafd < 0) { | |
7314c855 | 1133 | close(dirfd); |
7314c855 | 1134 | continue; |
1fc22eb4 JD |
1135 | } else { |
1136 | int trace_id; | |
1137 | ||
1138 | ret = close(metafd); | |
1139 | if (ret < 0) { | |
1140 | perror("close"); | |
1141 | goto error; | |
1142 | } | |
1143 | ret = close(dirfd); | |
1144 | if (ret < 0) { | |
1145 | perror("close"); | |
1146 | goto error; | |
1147 | } | |
1148 | ||
1149 | trace_id = bt_context_add_trace(ctx, | |
1150 | node->fts_accpath, format_str, | |
1151 | packet_seek, NULL, NULL); | |
1152 | if (trace_id < 0) { | |
0d567cf1 | 1153 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 1154 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
1155 | /* Allow to skip erroneous traces. */ |
1156 | continue; | |
1fc22eb4 JD |
1157 | } |
1158 | g_array_append_val(trace_ids, trace_id); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 1163 | return ret; |
1fc22eb4 JD |
1164 | |
1165 | error: | |
1166 | return ret; | |
1167 | } | |
1168 | ||
4553b4d1 | 1169 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
1170 | int field_cnt, int *tid_check, int *pid_check, |
1171 | int *procname_check, int *ppid_check) | |
1172 | { | |
1173 | int j; | |
bb6d72a2 JD |
1174 | struct perfcounter *global; |
1175 | const char *name; | |
a54d0d2c JD |
1176 | |
1177 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 1178 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 1179 | if (*tid_check == 0) { |
bb6d72a2 | 1180 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 1181 | (*tid_check)++; |
a54d0d2c JD |
1182 | } |
1183 | if (*pid_check == 0) { | |
da401e9c | 1184 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
1185 | (*pid_check)++; |
1186 | } | |
1187 | if (*ppid_check == 0) { | |
bb6d72a2 | 1188 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
1189 | (*ppid_check)++; |
1190 | } | |
1191 | if (*procname_check == 0) { | |
bb6d72a2 | 1192 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
1193 | (*procname_check)++; |
1194 | } | |
bb6d72a2 JD |
1195 | if (strncmp(name, "perf_", 5) == 0) { |
1196 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
1197 | if (!global) { | |
1198 | global = g_new0(struct perfcounter, 1); | |
1199 | /* by default, sort on the first perf context */ | |
1200 | if (g_hash_table_size(global_perf_liszt) == 0) | |
1201 | global->sort = 1; | |
1202 | global->visible = 1; | |
1203 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
1204 | } | |
1205 | } | |
a54d0d2c | 1206 | } |
bb6d72a2 | 1207 | |
a54d0d2c JD |
1208 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
1209 | *procname_check == 1) | |
1210 | return 0; | |
1211 | ||
1212 | return -1; | |
1213 | } | |
1214 | ||
1215 | /* | |
1216 | * check_requirements: check if the required context informations are available | |
1217 | * | |
1218 | * If each mandatory context information is available for at least in one | |
1219 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
1220 | */ |
1221 | int check_requirements(struct bt_context *ctx) | |
1222 | { | |
1223 | unsigned int i, evt_cnt, field_cnt; | |
1224 | struct bt_ctf_event_decl *const * evt_list; | |
1225 | const struct bt_ctf_field_decl *const * field_list; | |
1226 | int tid_check = 0; | |
1227 | int pid_check = 0; | |
1228 | int procname_check = 0; | |
1229 | int ppid_check = 0; | |
1230 | int ret = 0; | |
1231 | ||
b1acd2b3 JD |
1232 | ret = bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); |
1233 | if (ret < 0) { | |
1234 | goto end; | |
1235 | } | |
1236 | ||
a54d0d2c JD |
1237 | for (i = 0; i < evt_cnt; i++) { |
1238 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
1239 | &field_list, &field_cnt); | |
1240 | ret = check_field_requirements(field_list, field_cnt, | |
1241 | &tid_check, &pid_check, &procname_check, | |
1242 | &ppid_check); | |
a54d0d2c JD |
1243 | |
1244 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
1245 | &field_list, &field_cnt); | |
1246 | ret = check_field_requirements(field_list, field_cnt, | |
1247 | &tid_check, &pid_check, &procname_check, | |
1248 | &ppid_check); | |
a54d0d2c JD |
1249 | |
1250 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
1251 | &field_list, &field_cnt); | |
1252 | ret = check_field_requirements(field_list, field_cnt, | |
1253 | &tid_check, &pid_check, &procname_check, | |
1254 | &ppid_check); | |
a54d0d2c JD |
1255 | } |
1256 | ||
1257 | if (tid_check == 0) { | |
1258 | ret = -1; | |
1259 | fprintf(stderr, "[error] missing tid context information\n"); | |
1260 | } | |
1261 | if (pid_check == 0) { | |
1262 | ret = -1; | |
1263 | fprintf(stderr, "[error] missing pid context information\n"); | |
1264 | } | |
1265 | if (ppid_check == 0) { | |
1266 | ret = -1; | |
1267 | fprintf(stderr, "[error] missing ppid context information\n"); | |
1268 | } | |
1269 | if (procname_check == 0) { | |
1270 | ret = -1; | |
1271 | fprintf(stderr, "[error] missing procname context information\n"); | |
1272 | } | |
8fe4d0cf JD |
1273 | if (ret == 0) { |
1274 | valid_trace = 1; | |
1275 | } | |
a54d0d2c | 1276 | |
16b22a0f JD |
1277 | end: |
1278 | return ret; | |
1279 | } | |
1280 | ||
54761a45 JD |
1281 | static void handle_sigchild(int signal) |
1282 | { | |
1283 | int status; | |
1284 | ||
1285 | waitpid(opt_exec_pid, &status, 0); | |
1286 | } | |
1287 | ||
1288 | int main(int argc, char **argv, char **envp) | |
1fc22eb4 JD |
1289 | { |
1290 | int ret; | |
1291 | struct bt_context *bt_ctx = NULL; | |
6a1b139c | 1292 | char *live_session_name = NULL; |
1fc22eb4 | 1293 | |
957eed46 | 1294 | init_lttngtop(); |
1fc22eb4 JD |
1295 | ret = parse_options(argc, argv); |
1296 | if (ret < 0) { | |
1297 | fprintf(stdout, "Error parsing options.\n\n"); | |
1298 | usage(stdout); | |
1299 | exit(EXIT_FAILURE); | |
1300 | } else if (ret > 0) { | |
1301 | exit(EXIT_SUCCESS); | |
1302 | } | |
1303 | ||
54761a45 JD |
1304 | if (opt_exec_name) { |
1305 | opt_exec_env = envp; | |
1306 | signal(SIGCHLD, handle_sigchild); | |
1307 | } | |
1308 | ||
1309 | if (!opt_input_path && !remote_live && !opt_exec_name) { | |
863dc485 | 1310 | /* mmap live */ |
6a1b139c JD |
1311 | ret = create_live_local_session(&opt_relay_hostname, |
1312 | &live_session_name, 0); | |
1313 | if (ret < 0) | |
1314 | goto end; | |
1315 | remote_live = 1; | |
1316 | } | |
1317 | if (!opt_input_path && remote_live) { | |
863dc485 | 1318 | /* network live */ |
12a91e9d JD |
1319 | bt_ctx = bt_context_create(); |
1320 | ret = bt_context_add_traces_recursive(bt_ctx, opt_relay_hostname, | |
1321 | "lttng-live", NULL); | |
1322 | if (ret < 0) { | |
1323 | fprintf(stderr, "[error] Opening the trace\n"); | |
1324 | goto end; | |
1325 | } | |
16b22a0f | 1326 | } else { |
16b22a0f JD |
1327 | bt_ctx = bt_context_create(); |
1328 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1329 | if (ret < 0) { | |
1330 | fprintf(stderr, "[error] Opening the trace\n"); | |
1331 | goto end; | |
1332 | } | |
1fc22eb4 | 1333 | |
12a91e9d | 1334 | ret = check_requirements(bt_ctx); |
8fe4d0cf | 1335 | if (ret < 0 && !valid_trace) { |
12a91e9d JD |
1336 | fprintf(stderr, "[error] some mandatory contexts " |
1337 | "were missing, exiting.\n"); | |
8fe4d0cf | 1338 | //goto end; |
12a91e9d JD |
1339 | } |
1340 | ||
1341 | if (!opt_textdump) { | |
ec016cb4 | 1342 | #ifdef HAVE_LIBNCURSES |
12a91e9d JD |
1343 | pthread_create(&display_thread, NULL, ncurses_display, |
1344 | (void *) NULL); | |
1345 | pthread_create(&timer_thread, NULL, refresh_thread, | |
1346 | (void *) NULL); | |
ec016cb4 JD |
1347 | #else |
1348 | printf("Ncurses support not compiled, please install " | |
1349 | "the missing dependencies and recompile\n"); | |
1350 | goto end; | |
1351 | #endif | |
12a91e9d JD |
1352 | } |
1353 | ||
1354 | iter_trace(bt_ctx); | |
863dc485 | 1355 | } |
1fc22eb4 | 1356 | |
1fc22eb4 | 1357 | |
863dc485 JD |
1358 | pthread_join(display_thread, NULL); |
1359 | quit = 1; | |
1360 | pthread_join(timer_thread, NULL); | |
1fc22eb4 | 1361 | |
d2f1452b JD |
1362 | ret = 0; |
1363 | ||
1fc22eb4 | 1364 | end: |
16b22a0f JD |
1365 | if (bt_ctx) |
1366 | bt_context_put(bt_ctx); | |
1367 | ||
6a1b139c JD |
1368 | if (live_session_name) { |
1369 | ret = destroy_live_local_session(live_session_name); | |
1370 | if (ret < 0) { | |
1371 | fprintf(stderr, "Error destroying %s\n", live_session_name); | |
1372 | } | |
1373 | } | |
1374 | ||
d2f1452b | 1375 | return ret; |
1fc22eb4 | 1376 | } |