Commit | Line | Data |
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f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
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 only, | |
6 | * as published by the Free Software Foundation. | |
f3ed775e DG |
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 | * | |
d14d33bf 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. | |
f3ed775e DG |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
6c1c0768 | 19 | #define _LGPL_SOURCE |
b2064f54 | 20 | #include <assert.h> |
f3ed775e DG |
21 | #include <popt.h> |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <sys/stat.h> | |
26 | #include <sys/types.h> | |
27 | #include <unistd.h> | |
5a0de755 | 28 | #include <inttypes.h> |
8f0d098b | 29 | #include <ctype.h> |
f3ed775e | 30 | |
42224349 | 31 | #include <src/common/sessiond-comm/sessiond-comm.h> |
f3ed775e | 32 | |
89476427 JRJ |
33 | /* Mi dependancy */ |
34 | #include <common/mi-lttng.h> | |
35 | ||
36 | #include "../command.h" | |
37 | ||
8ab7c0d9 MD |
38 | #if (LTTNG_SYMBOL_NAME_LEN == 256) |
39 | #define LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "255" | |
40 | #endif | |
41 | ||
f3ed775e DG |
42 | static char *opt_event_list; |
43 | static int opt_event_type; | |
0cda4f28 MD |
44 | static const char *opt_loglevel; |
45 | static int opt_loglevel_type; | |
6181537c | 46 | static int opt_kernel; |
5440dc42 | 47 | static char *opt_session_name; |
f3ed775e | 48 | static int opt_userspace; |
b9dfb167 | 49 | static int opt_jul; |
5cdb6027 | 50 | static int opt_log4j; |
0e115563 | 51 | static int opt_python; |
f3ed775e | 52 | static int opt_enable_all; |
cf0e5467 | 53 | static char *opt_probe; |
8f0d098b | 54 | static char *opt_function; |
f3ed775e | 55 | static char *opt_channel_name; |
53a80697 | 56 | static char *opt_filter; |
fac3366c | 57 | static char *opt_exclude; |
f3ed775e DG |
58 | |
59 | enum { | |
60 | OPT_HELP = 1, | |
f3ed775e | 61 | OPT_TRACEPOINT, |
cf0e5467 | 62 | OPT_PROBE, |
f3ed775e | 63 | OPT_FUNCTION, |
a54bd42d | 64 | OPT_SYSCALL, |
eeac7d46 | 65 | OPT_USERSPACE, |
0cda4f28 MD |
66 | OPT_LOGLEVEL, |
67 | OPT_LOGLEVEL_ONLY, | |
679b4943 | 68 | OPT_LIST_OPTIONS, |
53a80697 | 69 | OPT_FILTER, |
fac3366c | 70 | OPT_EXCLUDE, |
f3ed775e DG |
71 | }; |
72 | ||
cd80958d | 73 | static struct lttng_handle *handle; |
89476427 | 74 | static struct mi_writer *writer; |
cd80958d | 75 | |
f3ed775e DG |
76 | static struct poptOption long_options[] = { |
77 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
78 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 79 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
e14f64a8 | 80 | {"all", 'a', POPT_ARG_VAL, &opt_enable_all, 1, 0, 0}, |
f3ed775e DG |
81 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
82 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
d78d6610 | 83 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
b9dfb167 | 84 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, |
5cdb6027 | 85 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, |
0e115563 | 86 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, |
f3ed775e | 87 | {"tracepoint", 0, POPT_ARG_NONE, 0, OPT_TRACEPOINT, 0, 0}, |
7ebae521 | 88 | {"probe", 0, POPT_ARG_STRING, &opt_probe, OPT_PROBE, 0, 0}, |
40e9d5d3 | 89 | {"function", 0, POPT_ARG_STRING, &opt_function, OPT_FUNCTION, 0, 0}, |
7ebae521 | 90 | {"syscall", 0, POPT_ARG_NONE, 0, OPT_SYSCALL, 0, 0}, |
0cda4f28 MD |
91 | {"loglevel", 0, POPT_ARG_STRING, 0, OPT_LOGLEVEL, 0, 0}, |
92 | {"loglevel-only", 0, POPT_ARG_STRING, 0, OPT_LOGLEVEL_ONLY, 0, 0}, | |
679b4943 | 93 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
53a80697 | 94 | {"filter", 'f', POPT_ARG_STRING, &opt_filter, OPT_FILTER, 0, 0}, |
fac3366c | 95 | {"exclude", 'x', POPT_ARG_STRING, &opt_exclude, OPT_EXCLUDE, 0, 0}, |
f3ed775e DG |
96 | {0, 0, 0, 0, 0, 0, 0} |
97 | }; | |
98 | ||
99 | /* | |
100 | * usage | |
101 | */ | |
102 | static void usage(FILE *ofp) | |
103 | { | |
313f1ac7 | 104 | fprintf(ofp, "usage: lttng enable-event NAME[,NAME2,...] (-k | -u | -j | -l | -p) [OPTIONS] \n"); |
f3ed775e | 105 | fprintf(ofp, "\n"); |
32a6298d | 106 | fprintf(ofp, "Options:\n"); |
f3ed775e | 107 | fprintf(ofp, " -h, --help Show this help\n"); |
679b4943 | 108 | fprintf(ofp, " --list-options Simple listing of options\n"); |
32a6298d DG |
109 | fprintf(ofp, " -s, --session NAME Apply to session name\n"); |
110 | fprintf(ofp, " -c, --channel NAME Apply to this channel\n"); | |
e08bff8d | 111 | fprintf(ofp, " -a, --all Enable all tracepoints and syscalls\n"); |
f3ed775e | 112 | fprintf(ofp, " -k, --kernel Apply for the kernel tracer\n"); |
27221701 | 113 | fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n"); |
b9dfb167 | 114 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
5cdb6027 | 115 | fprintf(ofp, " -l, --log4j Apply for Java application using LOG4j\n"); |
23171d8c | 116 | fprintf(ofp, " -p, --python Apply for Python application\n"); |
f3ed775e DG |
117 | fprintf(ofp, "\n"); |
118 | fprintf(ofp, "Event options:\n"); | |
119 | fprintf(ofp, " --tracepoint Tracepoint event (default)\n"); | |
be49af1e MD |
120 | fprintf(ofp, " - userspace tracer supports wildcards at end of string.\n"); |
121 | fprintf(ofp, " Don't forget to quote to deal with bash expansion.\n"); | |
122 | fprintf(ofp, " e.g.:\n"); | |
123 | fprintf(ofp, " \"*\"\n"); | |
124 | fprintf(ofp, " \"app_component:na*\"\n"); | |
6a240cd9 | 125 | fprintf(ofp, " --probe (addr | symbol | symbol+offset)\n"); |
cf0e5467 MD |
126 | fprintf(ofp, " Dynamic probe.\n"); |
127 | fprintf(ofp, " Addr and offset can be octal (0NNN...),\n"); | |
128 | fprintf(ofp, " decimal (NNN...) or hexadecimal (0xNNN...)\n"); | |
6a240cd9 | 129 | fprintf(ofp, " --function (addr | symbol | symbol+offset)\n"); |
8f0d098b MD |
130 | fprintf(ofp, " Dynamic function entry/return probe.\n"); |
131 | fprintf(ofp, " Addr and offset can be octal (0NNN...),\n"); | |
132 | fprintf(ofp, " decimal (NNN...) or hexadecimal (0xNNN...)\n"); | |
a54bd42d | 133 | fprintf(ofp, " --syscall System call event\n"); |
f3ed775e | 134 | fprintf(ofp, "\n"); |
300b8fd5 | 135 | fprintf(ofp, " --loglevel name\n"); |
f9e8873b | 136 | fprintf(ofp, " Tracepoint loglevel range from 0 to loglevel.\n"); |
372a6d2a | 137 | fprintf(ofp, " For JUL/LOG4j/Python domains, see the table below for the range values.\n"); |
300b8fd5 MD |
138 | fprintf(ofp, " --loglevel-only name\n"); |
139 | fprintf(ofp, " Tracepoint loglevel (only this loglevel)\n"); | |
140 | fprintf(ofp, "\n"); | |
0c8477c8 MD |
141 | fprintf(ofp, " The loglevel or loglevel-only options should be\n"); |
142 | fprintf(ofp, " combined with a tracepoint name or tracepoint\n"); | |
143 | fprintf(ofp, " wildcard.\n"); | |
144 | fprintf(ofp, " Available loglevels:\n"); | |
145 | fprintf(ofp, " (higher value is more verbose)\n"); | |
46839cc2 MD |
146 | fprintf(ofp, " TRACE_EMERG = 0\n"); |
147 | fprintf(ofp, " TRACE_ALERT = 1\n"); | |
148 | fprintf(ofp, " TRACE_CRIT = 2\n"); | |
149 | fprintf(ofp, " TRACE_ERR = 3\n"); | |
150 | fprintf(ofp, " TRACE_WARNING = 4\n"); | |
151 | fprintf(ofp, " TRACE_NOTICE = 5\n"); | |
152 | fprintf(ofp, " TRACE_INFO = 6\n"); | |
153 | fprintf(ofp, " TRACE_DEBUG_SYSTEM = 7\n"); | |
154 | fprintf(ofp, " TRACE_DEBUG_PROGRAM = 8\n"); | |
155 | fprintf(ofp, " TRACE_DEBUG_PROCESS = 9\n"); | |
156 | fprintf(ofp, " TRACE_DEBUG_MODULE = 10\n"); | |
157 | fprintf(ofp, " TRACE_DEBUG_UNIT = 11\n"); | |
158 | fprintf(ofp, " TRACE_DEBUG_FUNCTION = 12\n"); | |
159 | fprintf(ofp, " TRACE_DEBUG_LINE = 13\n"); | |
160 | fprintf(ofp, " TRACE_DEBUG = 14\n"); | |
161 | fprintf(ofp, " (shortcuts such as \"system\" are allowed)\n"); | |
b2064f54 DG |
162 | fprintf(ofp, "\n"); |
163 | fprintf(ofp, " Available JUL domain loglevels:\n"); | |
164 | fprintf(ofp, " JUL_OFF = INT32_MAX\n"); | |
165 | fprintf(ofp, " JUL_SEVERE = %d\n", LTTNG_LOGLEVEL_JUL_SEVERE); | |
166 | fprintf(ofp, " JUL_WARNING = %d\n", LTTNG_LOGLEVEL_JUL_WARNING); | |
167 | fprintf(ofp, " JUL_INFO = %d\n", LTTNG_LOGLEVEL_JUL_INFO); | |
168 | fprintf(ofp, " JUL_CONFIG = %d\n", LTTNG_LOGLEVEL_JUL_CONFIG); | |
169 | fprintf(ofp, " JUL_FINE = %d\n", LTTNG_LOGLEVEL_JUL_FINE); | |
170 | fprintf(ofp, " JUL_FINER = %d\n", LTTNG_LOGLEVEL_JUL_FINER); | |
171 | fprintf(ofp, " JUL_FINEST = %d\n", LTTNG_LOGLEVEL_JUL_FINEST); | |
172 | fprintf(ofp, " JUL_ALL = INT32_MIN\n"); | |
173 | fprintf(ofp, " (shortcuts such as \"severe\" are allowed)\n"); | |
174 | fprintf(ofp, "\n"); | |
5cdb6027 DG |
175 | fprintf(ofp, " Available LOG4j domain loglevels:\n"); |
176 | fprintf(ofp, " LOG4J_OFF = INT32_MAX\n"); | |
177 | fprintf(ofp, " LOG4J_FATAL = %d\n", LTTNG_LOGLEVEL_LOG4J_FATAL); | |
178 | fprintf(ofp, " LOG4J_ERROR = %d\n", LTTNG_LOGLEVEL_LOG4J_ERROR); | |
179 | fprintf(ofp, " LOG4J_WARN = %d\n", LTTNG_LOGLEVEL_LOG4J_WARN); | |
180 | fprintf(ofp, " LOG4J_INFO = %d\n", LTTNG_LOGLEVEL_LOG4J_INFO); | |
181 | fprintf(ofp, " LOG4J_DEBUG = %d\n", LTTNG_LOGLEVEL_LOG4J_DEBUG); | |
182 | fprintf(ofp, " LOG4J_TRACE = %d\n", LTTNG_LOGLEVEL_LOG4J_TRACE); | |
183 | fprintf(ofp, " LOG4J_ALL = INT32_MIN\n"); | |
184 | fprintf(ofp, " (shortcuts such as \"severe\" are allowed)\n"); | |
185 | fprintf(ofp, "\n"); | |
0e115563 DG |
186 | fprintf(ofp, " Available Python domain loglevels:\n"); |
187 | fprintf(ofp, " PYTHON_CRITICAL = %d\n", LTTNG_LOGLEVEL_PYTHON_CRITICAL); | |
188 | fprintf(ofp, " PYTHON_ERROR = %d\n", LTTNG_LOGLEVEL_PYTHON_ERROR); | |
189 | fprintf(ofp, " PYTHON_WARNING = %d\n", LTTNG_LOGLEVEL_PYTHON_WARNING); | |
190 | fprintf(ofp, " PYTHON_INFO = %d\n", LTTNG_LOGLEVEL_PYTHON_INFO); | |
191 | fprintf(ofp, " PYTHON_DEBUG = %d\n", LTTNG_LOGLEVEL_PYTHON_DEBUG); | |
192 | fprintf(ofp, " PYTHON_NOTSET = %d\n", LTTNG_LOGLEVEL_PYTHON_NOTSET); | |
193 | fprintf(ofp, " (shortcuts such as \"critical\" are allowed)\n"); | |
194 | fprintf(ofp, "\n"); | |
f2611ab0 | 195 | fprintf(ofp, " -f, --filter \'expression\'\n"); |
ee8ccafa MD |
196 | fprintf(ofp, " Filter expression on event fields and context.\n"); |
197 | fprintf(ofp, " Event recording depends on evaluation.\n"); | |
919e300c MD |
198 | fprintf(ofp, " Only specify on first activation of\n"); |
199 | fprintf(ofp, " a given event within a session.\n"); | |
200 | fprintf(ofp, " Filter only allowed when enabling\n"); | |
201 | fprintf(ofp, " events within a session before tracing\n"); | |
9bd578f5 MD |
202 | fprintf(ofp, " is started. If the filter fails to link\n"); |
203 | fprintf(ofp, " with the event within the traced domain,\n"); | |
204 | fprintf(ofp, " the event will be discarded. Currently,\n"); | |
205 | fprintf(ofp, " filter is only implemented for the user-space\n"); | |
206 | fprintf(ofp, " tracer.\n"); | |
207 | fprintf(ofp, " Expression examples:.\n"); | |
208 | fprintf(ofp, " \n"); | |
209 | fprintf(ofp, " 'intfield > 500 && intfield < 503'\n"); | |
6a240cd9 | 210 | fprintf(ofp, " '(strfield == \"test\" || intfield != 10) && intfield > 33'\n"); |
9bd578f5 MD |
211 | fprintf(ofp, " 'doublefield > 1.1 && intfield < 5.3'\n"); |
212 | fprintf(ofp, " \n"); | |
213 | fprintf(ofp, " Wildcards are allowed at the end of strings:\n"); | |
214 | fprintf(ofp, " 'seqfield1 == \"te*\"'\n"); | |
215 | fprintf(ofp, " In string literals, the escape character is '\\'.\n"); | |
216 | fprintf(ofp, " Use '\\*' for the '*' character, and '\\\\' for\n"); | |
ee8ccafa MD |
217 | fprintf(ofp, " the '\\' character. Wildcard match any sequence of,\n"); |
218 | fprintf(ofp, " characters including an empty sub-string (match 0 or\n"); | |
219 | fprintf(ofp, " more characters).\n"); | |
220 | fprintf(ofp, "\n"); | |
221 | fprintf(ofp, " Context information can be used for filtering. The\n"); | |
222 | fprintf(ofp, " examples below show usage of context filtering on\n"); | |
223 | fprintf(ofp, " process name (with a wildcard), process ID range, and\n"); | |
224 | fprintf(ofp, " unique thread ID for filtering. The process and\n"); | |
225 | fprintf(ofp, " thread ID of running applications can be found under\n"); | |
226 | fprintf(ofp, " columns \"PID\" and \"LWP\" of the \"ps -eLf\" command.\n"); | |
227 | fprintf(ofp, "\n"); | |
228 | fprintf(ofp, " '$ctx.procname == \"demo*\"'\n"); | |
229 | fprintf(ofp, " '$ctx.vpid >= 4433 && $ctx.vpid < 4455'\n"); | |
230 | fprintf(ofp, " '$ctx.vtid == 1234'\n"); | |
c2063d0b JI |
231 | fprintf(ofp, " -x, --exclude LIST\n"); |
232 | fprintf(ofp, " Add exclusions to UST tracepoints:\n"); | |
233 | fprintf(ofp, " Events that match any of the items\n"); | |
234 | fprintf(ofp, " in the comma-separated LIST are not\n"); | |
235 | fprintf(ofp, " enabled, even if they match a wildcard\n"); | |
236 | fprintf(ofp, " definition of the event.\n"); | |
300b8fd5 | 237 | fprintf(ofp, "\n"); |
f3ed775e DG |
238 | } |
239 | ||
0d63dd19 | 240 | /* |
6181537c | 241 | * Parse probe options. |
0d63dd19 | 242 | */ |
cf0e5467 | 243 | static int parse_probe_opts(struct lttng_event *ev, char *opt) |
0d63dd19 | 244 | { |
49d4e302 JRJ |
245 | int ret = CMD_SUCCESS; |
246 | int match; | |
8ff0bbd0 | 247 | char s_hex[19]; |
8ab7c0d9 | 248 | #define S_HEX_LEN_SCANF_IS_A_BROKEN_API "18" /* 18 is (19 - 1) (\0 is extra) */ |
0d63dd19 DG |
249 | char name[LTTNG_SYMBOL_NAME_LEN]; |
250 | ||
251 | if (opt == NULL) { | |
49d4e302 | 252 | ret = CMD_ERROR; |
8f0d098b | 253 | goto end; |
0d63dd19 DG |
254 | } |
255 | ||
256 | /* Check for symbol+offset */ | |
49d4e302 | 257 | match = sscanf(opt, "%" LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API |
8ab7c0d9 | 258 | "[^'+']+%" S_HEX_LEN_SCANF_IS_A_BROKEN_API "s", name, s_hex); |
49d4e302 | 259 | if (match == 2) { |
7d29a247 | 260 | strncpy(ev->attr.probe.symbol_name, name, LTTNG_SYMBOL_NAME_LEN); |
99497cd0 | 261 | ev->attr.probe.symbol_name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; |
cf0e5467 | 262 | DBG("probe symbol %s", ev->attr.probe.symbol_name); |
9d035200 | 263 | if (*s_hex == '\0') { |
8ff0bbd0 | 264 | ERR("Invalid probe offset %s", s_hex); |
49d4e302 | 265 | ret = CMD_ERROR; |
8f0d098b | 266 | goto end; |
0d63dd19 | 267 | } |
8ff0bbd0 | 268 | ev->attr.probe.offset = strtoul(s_hex, NULL, 0); |
cf0e5467 | 269 | DBG("probe offset %" PRIu64, ev->attr.probe.offset); |
3000dc78 | 270 | ev->attr.probe.addr = 0; |
8f0d098b MD |
271 | goto end; |
272 | } | |
273 | ||
274 | /* Check for symbol */ | |
275 | if (isalpha(name[0])) { | |
49d4e302 | 276 | match = sscanf(opt, "%" LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "s", |
8ab7c0d9 | 277 | name); |
49d4e302 | 278 | if (match == 1) { |
8f0d098b | 279 | strncpy(ev->attr.probe.symbol_name, name, LTTNG_SYMBOL_NAME_LEN); |
99497cd0 | 280 | ev->attr.probe.symbol_name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; |
8f0d098b MD |
281 | DBG("probe symbol %s", ev->attr.probe.symbol_name); |
282 | ev->attr.probe.offset = 0; | |
283 | DBG("probe offset %" PRIu64, ev->attr.probe.offset); | |
284 | ev->attr.probe.addr = 0; | |
285 | goto end; | |
286 | } | |
0d63dd19 DG |
287 | } |
288 | ||
289 | /* Check for address */ | |
49d4e302 JRJ |
290 | match = sscanf(opt, "%" S_HEX_LEN_SCANF_IS_A_BROKEN_API "s", s_hex); |
291 | if (match > 0) { | |
9d035200 | 292 | if (*s_hex == '\0') { |
8ff0bbd0 | 293 | ERR("Invalid probe address %s", s_hex); |
49d4e302 | 294 | ret = CMD_ERROR; |
8f0d098b | 295 | goto end; |
0d63dd19 | 296 | } |
8ff0bbd0 | 297 | ev->attr.probe.addr = strtoul(s_hex, NULL, 0); |
cf0e5467 | 298 | DBG("probe addr %" PRIu64, ev->attr.probe.addr); |
3000dc78 DG |
299 | ev->attr.probe.offset = 0; |
300 | memset(ev->attr.probe.symbol_name, 0, LTTNG_SYMBOL_NAME_LEN); | |
8f0d098b | 301 | goto end; |
0d63dd19 DG |
302 | } |
303 | ||
304 | /* No match */ | |
49d4e302 | 305 | ret = CMD_ERROR; |
0d63dd19 | 306 | |
8f0d098b | 307 | end: |
0d63dd19 DG |
308 | return ret; |
309 | } | |
310 | ||
5cdb6027 DG |
311 | /* |
312 | * Maps LOG4j loglevel from string to value | |
313 | */ | |
314 | static int loglevel_log4j_str_to_value(const char *inputstr) | |
315 | { | |
316 | int i = 0; | |
317 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
318 | ||
3712b110 JG |
319 | if (!inputstr || strlen(inputstr) == 0) { |
320 | return -1; | |
321 | } | |
322 | ||
5cdb6027 DG |
323 | /* |
324 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
325 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
326 | */ | |
327 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
328 | str[i] = toupper(inputstr[i]); | |
329 | i++; | |
330 | } | |
331 | str[i] = '\0'; | |
332 | ||
333 | if (!strcmp(str, "LOG4J_OFF") || !strcmp(str, "OFF")) { | |
334 | return LTTNG_LOGLEVEL_LOG4J_OFF; | |
335 | } else if (!strcmp(str, "LOG4J_FATAL") || !strcmp(str, "FATAL")) { | |
336 | return LTTNG_LOGLEVEL_LOG4J_FATAL; | |
337 | } else if (!strcmp(str, "LOG4J_ERROR") || !strcmp(str, "ERROR")) { | |
338 | return LTTNG_LOGLEVEL_LOG4J_ERROR; | |
339 | } else if (!strcmp(str, "LOG4J_WARN") || !strcmp(str, "WARN")) { | |
340 | return LTTNG_LOGLEVEL_LOG4J_WARN; | |
341 | } else if (!strcmp(str, "LOG4J_INFO") || !strcmp(str, "INFO")) { | |
342 | return LTTNG_LOGLEVEL_LOG4J_INFO; | |
343 | } else if (!strcmp(str, "LOG4J_DEBUG") || !strcmp(str, "DEBUG")) { | |
344 | return LTTNG_LOGLEVEL_LOG4J_DEBUG; | |
345 | } else if (!strcmp(str, "LOG4J_TRACE") || !strcmp(str, "TRACE")) { | |
346 | return LTTNG_LOGLEVEL_LOG4J_TRACE; | |
347 | } else if (!strcmp(str, "LOG4J_ALL") || !strcmp(str, "ALL")) { | |
348 | return LTTNG_LOGLEVEL_LOG4J_ALL; | |
349 | } else { | |
350 | return -1; | |
351 | } | |
352 | } | |
353 | ||
b2064f54 DG |
354 | /* |
355 | * Maps JUL loglevel from string to value | |
356 | */ | |
357 | static int loglevel_jul_str_to_value(const char *inputstr) | |
358 | { | |
359 | int i = 0; | |
360 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
361 | ||
3712b110 JG |
362 | if (!inputstr || strlen(inputstr) == 0) { |
363 | return -1; | |
364 | } | |
365 | ||
b2064f54 DG |
366 | /* |
367 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
368 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
369 | */ | |
370 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
371 | str[i] = toupper(inputstr[i]); | |
372 | i++; | |
373 | } | |
374 | str[i] = '\0'; | |
375 | ||
376 | if (!strcmp(str, "JUL_OFF") || !strcmp(str, "OFF")) { | |
377 | return LTTNG_LOGLEVEL_JUL_OFF; | |
378 | } else if (!strcmp(str, "JUL_SEVERE") || !strcmp(str, "SEVERE")) { | |
379 | return LTTNG_LOGLEVEL_JUL_SEVERE; | |
380 | } else if (!strcmp(str, "JUL_WARNING") || !strcmp(str, "WARNING")) { | |
381 | return LTTNG_LOGLEVEL_JUL_WARNING; | |
382 | } else if (!strcmp(str, "JUL_INFO") || !strcmp(str, "INFO")) { | |
383 | return LTTNG_LOGLEVEL_JUL_INFO; | |
384 | } else if (!strcmp(str, "JUL_CONFIG") || !strcmp(str, "CONFIG")) { | |
385 | return LTTNG_LOGLEVEL_JUL_CONFIG; | |
386 | } else if (!strcmp(str, "JUL_FINE") || !strcmp(str, "FINE")) { | |
387 | return LTTNG_LOGLEVEL_JUL_FINE; | |
388 | } else if (!strcmp(str, "JUL_FINER") || !strcmp(str, "FINER")) { | |
389 | return LTTNG_LOGLEVEL_JUL_FINER; | |
390 | } else if (!strcmp(str, "JUL_FINEST") || !strcmp(str, "FINEST")) { | |
391 | return LTTNG_LOGLEVEL_JUL_FINEST; | |
392 | } else if (!strcmp(str, "JUL_ALL") || !strcmp(str, "ALL")) { | |
393 | return LTTNG_LOGLEVEL_JUL_ALL; | |
394 | } else { | |
395 | return -1; | |
396 | } | |
397 | } | |
398 | ||
0e115563 DG |
399 | /* |
400 | * Maps Python loglevel from string to value | |
401 | */ | |
402 | static int loglevel_python_str_to_value(const char *inputstr) | |
403 | { | |
404 | int i = 0; | |
405 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
406 | ||
3712b110 JG |
407 | if (!inputstr || strlen(inputstr) == 0) { |
408 | return -1; | |
409 | } | |
410 | ||
0e115563 DG |
411 | /* |
412 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
413 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
414 | */ | |
415 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
416 | str[i] = toupper(inputstr[i]); | |
417 | i++; | |
418 | } | |
419 | str[i] = '\0'; | |
420 | ||
421 | if (!strcmp(str, "PYTHON_CRITICAL") || !strcmp(str, "CRITICAL")) { | |
422 | return LTTNG_LOGLEVEL_PYTHON_CRITICAL; | |
423 | } else if (!strcmp(str, "PYTHON_ERROR") || !strcmp(str, "ERROR")) { | |
424 | return LTTNG_LOGLEVEL_PYTHON_ERROR; | |
425 | } else if (!strcmp(str, "PYTHON_WARNING") || !strcmp(str, "WARNING")) { | |
426 | return LTTNG_LOGLEVEL_PYTHON_WARNING; | |
427 | } else if (!strcmp(str, "PYTHON_INFO") || !strcmp(str, "INFO")) { | |
428 | return LTTNG_LOGLEVEL_PYTHON_INFO; | |
429 | } else if (!strcmp(str, "PYTNON_DEBUG") || !strcmp(str, "DEBUG")) { | |
430 | return LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
431 | } else if (!strcmp(str, "PYTHON_NOTSET") || !strcmp(str, "NOTSET")) { | |
432 | return LTTNG_LOGLEVEL_PYTHON_NOTSET; | |
433 | } else { | |
434 | return -1; | |
435 | } | |
436 | } | |
437 | ||
8005f29a | 438 | /* |
0c8477c8 | 439 | * Maps loglevel from string to value |
8005f29a MD |
440 | */ |
441 | static | |
46839cc2 | 442 | int loglevel_str_to_value(const char *inputstr) |
8005f29a | 443 | { |
46839cc2 MD |
444 | int i = 0; |
445 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
446 | ||
3712b110 JG |
447 | if (!inputstr || strlen(inputstr) == 0) { |
448 | return -1; | |
449 | } | |
450 | ||
e051e07c DG |
451 | /* |
452 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
453 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
454 | */ | |
455 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
46839cc2 MD |
456 | str[i] = toupper(inputstr[i]); |
457 | i++; | |
458 | } | |
459 | str[i] = '\0'; | |
460 | if (!strcmp(str, "TRACE_EMERG") || !strcmp(str, "EMERG")) { | |
461 | return LTTNG_LOGLEVEL_EMERG; | |
462 | } else if (!strcmp(str, "TRACE_ALERT") || !strcmp(str, "ALERT")) { | |
463 | return LTTNG_LOGLEVEL_ALERT; | |
464 | } else if (!strcmp(str, "TRACE_CRIT") || !strcmp(str, "CRIT")) { | |
465 | return LTTNG_LOGLEVEL_CRIT; | |
466 | } else if (!strcmp(str, "TRACE_ERR") || !strcmp(str, "ERR")) { | |
467 | return LTTNG_LOGLEVEL_ERR; | |
468 | } else if (!strcmp(str, "TRACE_WARNING") || !strcmp(str, "WARNING")) { | |
469 | return LTTNG_LOGLEVEL_WARNING; | |
470 | } else if (!strcmp(str, "TRACE_NOTICE") || !strcmp(str, "NOTICE")) { | |
471 | return LTTNG_LOGLEVEL_NOTICE; | |
472 | } else if (!strcmp(str, "TRACE_INFO") || !strcmp(str, "INFO")) { | |
473 | return LTTNG_LOGLEVEL_INFO; | |
474 | } else if (!strcmp(str, "TRACE_DEBUG_SYSTEM") || !strcmp(str, "DEBUG_SYSTEM") || !strcmp(str, "SYSTEM")) { | |
475 | return LTTNG_LOGLEVEL_DEBUG_SYSTEM; | |
476 | } else if (!strcmp(str, "TRACE_DEBUG_PROGRAM") || !strcmp(str, "DEBUG_PROGRAM") || !strcmp(str, "PROGRAM")) { | |
477 | return LTTNG_LOGLEVEL_DEBUG_PROGRAM; | |
478 | } else if (!strcmp(str, "TRACE_DEBUG_PROCESS") || !strcmp(str, "DEBUG_PROCESS") || !strcmp(str, "PROCESS")) { | |
479 | return LTTNG_LOGLEVEL_DEBUG_PROCESS; | |
480 | } else if (!strcmp(str, "TRACE_DEBUG_MODULE") || !strcmp(str, "DEBUG_MODULE") || !strcmp(str, "MODULE")) { | |
481 | return LTTNG_LOGLEVEL_DEBUG_MODULE; | |
482 | } else if (!strcmp(str, "TRACE_DEBUG_UNIT") || !strcmp(str, "DEBUG_UNIT") || !strcmp(str, "UNIT")) { | |
483 | return LTTNG_LOGLEVEL_DEBUG_UNIT; | |
484 | } else if (!strcmp(str, "TRACE_DEBUG_FUNCTION") || !strcmp(str, "DEBUG_FUNCTION") || !strcmp(str, "FUNCTION")) { | |
485 | return LTTNG_LOGLEVEL_DEBUG_FUNCTION; | |
486 | } else if (!strcmp(str, "TRACE_DEBUG_LINE") || !strcmp(str, "DEBUG_LINE") || !strcmp(str, "LINE")) { | |
487 | return LTTNG_LOGLEVEL_DEBUG_LINE; | |
488 | } else if (!strcmp(str, "TRACE_DEBUG") || !strcmp(str, "DEBUG")) { | |
489 | return LTTNG_LOGLEVEL_DEBUG; | |
8005f29a MD |
490 | } else { |
491 | return -1; | |
492 | } | |
493 | } | |
494 | ||
85076754 MD |
495 | static |
496 | const char *print_channel_name(const char *name) | |
497 | { | |
498 | return name ? : DEFAULT_CHANNEL_NAME; | |
499 | } | |
500 | ||
501 | static | |
502 | const char *print_raw_channel_name(const char *name) | |
503 | { | |
504 | return name ? : "<default>"; | |
505 | } | |
506 | ||
89476427 JRJ |
507 | /* |
508 | * Mi print exlcusion list | |
509 | */ | |
510 | static | |
511 | int mi_print_exclusion(int count, char **names) | |
512 | { | |
513 | int i, ret; | |
514 | ||
515 | assert(writer); | |
516 | ||
517 | if (count == 0) { | |
518 | ret = 0; | |
519 | goto end; | |
520 | } | |
521 | ret = mi_lttng_writer_open_element(writer, config_element_exclusions); | |
522 | if (ret) { | |
523 | goto end; | |
524 | } | |
525 | ||
526 | for (i = 0; i < count; i++) { | |
527 | ret = mi_lttng_writer_write_element_string(writer, | |
528 | config_element_exclusion, names[i]); | |
529 | if (ret) { | |
530 | goto end; | |
531 | } | |
532 | } | |
533 | ||
534 | /* Close exclusions element */ | |
535 | ret = mi_lttng_writer_close_element(writer); | |
536 | ||
537 | end: | |
538 | return ret; | |
539 | } | |
540 | ||
9c48cab3 JI |
541 | /* |
542 | * Return allocated string for pretty-printing exclusion names. | |
543 | */ | |
544 | static | |
545 | char *print_exclusions(int count, char **names) | |
546 | { | |
547 | int length = 0; | |
548 | int i; | |
549 | const char *preamble = " excluding "; | |
550 | char *ret; | |
551 | ||
552 | if (count == 0) { | |
553 | return strdup(""); | |
554 | } | |
555 | ||
556 | /* calculate total required length */ | |
557 | for (i = 0; i < count; i++) { | |
558 | length += strlen(names[i]) + 1; | |
559 | } | |
560 | ||
561 | /* add length of preamble + one for NUL - one for last (missing) comma */ | |
562 | length += strlen(preamble); | |
fd591b18 MD |
563 | ret = zmalloc(length); |
564 | if (!ret) { | |
565 | return NULL; | |
566 | } | |
9c48cab3 JI |
567 | strncpy(ret, preamble, length); |
568 | for (i = 0; i < count; i++) { | |
569 | strcat(ret, names[i]); | |
570 | if (i != count - 1) { | |
571 | strcat(ret, ","); | |
572 | } | |
573 | } | |
89476427 | 574 | |
9c48cab3 JI |
575 | return ret; |
576 | } | |
577 | ||
748bde76 JI |
578 | /* |
579 | * Compare list of exclusions against an event name. | |
580 | * Return a list of legal exclusion names. | |
581 | * Produce an error or a warning about others (depending on the situation) | |
582 | */ | |
583 | static | |
584 | int check_exclusion_subsets(const char *event_name, | |
585 | const char *exclusions, | |
586 | int *exclusion_count_ptr, | |
587 | char ***exclusion_list_ptr) | |
588 | { | |
589 | const char *excluder_ptr; | |
590 | const char *event_ptr; | |
591 | const char *next_excluder; | |
592 | int excluder_length; | |
593 | int exclusion_count = 0; | |
594 | char **exclusion_list = NULL; | |
595 | int ret = CMD_SUCCESS; | |
596 | ||
597 | if (event_name[strlen(event_name) - 1] != '*') { | |
598 | ERR("Event %s: Excluders can only be used with wildcarded events", event_name); | |
599 | goto error; | |
600 | } | |
601 | ||
602 | next_excluder = exclusions; | |
603 | while (*next_excluder != 0) { | |
604 | event_ptr = event_name; | |
605 | excluder_ptr = next_excluder; | |
606 | excluder_length = strcspn(next_excluder, ","); | |
607 | ||
608 | /* Scan both the excluder and the event letter by letter */ | |
609 | while (1) { | |
610 | char e, x; | |
611 | ||
612 | e = *event_ptr; | |
613 | x = *excluder_ptr; | |
614 | ||
615 | if (x == '*') { | |
616 | /* Event is a subset of the excluder */ | |
617 | ERR("Event %s: %.*s excludes all events from %s", | |
618 | event_name, | |
619 | excluder_length, | |
620 | next_excluder, | |
621 | event_name); | |
622 | goto error; | |
623 | } | |
624 | if (e == '*') { | |
5ef79758 MD |
625 | char *string; |
626 | char **new_exclusion_list; | |
627 | ||
748bde76 | 628 | /* Excluder is a proper subset of event */ |
5ef79758 MD |
629 | string = strndup(next_excluder, excluder_length); |
630 | if (!string) { | |
631 | PERROR("strndup error"); | |
632 | goto error; | |
633 | } | |
634 | new_exclusion_list = realloc(exclusion_list, | |
1940b29e | 635 | sizeof(char *) * (exclusion_count + 1)); |
5ef79758 MD |
636 | if (!new_exclusion_list) { |
637 | PERROR("realloc"); | |
638 | free(string); | |
639 | goto error; | |
640 | } | |
641 | exclusion_list = new_exclusion_list; | |
748bde76 | 642 | exclusion_count++; |
5ef79758 | 643 | exclusion_list[exclusion_count - 1] = string; |
748bde76 JI |
644 | break; |
645 | } | |
646 | if (x != e) { | |
647 | /* Excluder and event sets have no common elements */ | |
648 | WARN("Event %s: %.*s does not exclude any events from %s", | |
649 | event_name, | |
650 | excluder_length, | |
651 | next_excluder, | |
652 | event_name); | |
653 | break; | |
654 | } | |
655 | excluder_ptr++; | |
656 | event_ptr++; | |
657 | } | |
658 | /* next excluder */ | |
659 | next_excluder += excluder_length; | |
660 | if (*next_excluder == ',') { | |
661 | next_excluder++; | |
662 | } | |
663 | } | |
664 | goto end; | |
665 | error: | |
666 | while (exclusion_count--) { | |
667 | free(exclusion_list[exclusion_count]); | |
668 | } | |
669 | if (exclusion_list != NULL) { | |
670 | free(exclusion_list); | |
671 | } | |
672 | exclusion_list = NULL; | |
673 | exclusion_count = 0; | |
674 | ret = CMD_ERROR; | |
675 | end: | |
676 | *exclusion_count_ptr = exclusion_count; | |
677 | *exclusion_list_ptr = exclusion_list; | |
678 | return ret; | |
679 | } | |
f3ed775e | 680 | /* |
6181537c | 681 | * Enabling event using the lttng API. |
89476427 | 682 | * Note: in case of error only the last error code will be return. |
f3ed775e | 683 | */ |
cd80958d | 684 | static int enable_events(char *session_name) |
f3ed775e | 685 | { |
89476427 JRJ |
686 | int ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
687 | int error_holder = CMD_SUCCESS, warn = 0, error = 0, success = 1; | |
b73d0b29 | 688 | char *event_name, *channel_name = NULL; |
f3ed775e | 689 | struct lttng_event ev; |
7d29a247 | 690 | struct lttng_domain dom; |
7ed70bc9 JI |
691 | int exclusion_count = 0; |
692 | char **exclusion_list = NULL; | |
f3ed775e | 693 | |
441c16a7 MD |
694 | memset(&ev, 0, sizeof(ev)); |
695 | memset(&dom, 0, sizeof(dom)); | |
696 | ||
53a80697 | 697 | if (opt_kernel) { |
67b58630 JG |
698 | if (opt_loglevel) { |
699 | WARN("Kernel loglevels are not supported."); | |
700 | } | |
53a80697 MD |
701 | } |
702 | ||
7d29a247 DG |
703 | /* Create lttng domain */ |
704 | if (opt_kernel) { | |
705 | dom.type = LTTNG_DOMAIN_KERNEL; | |
7972aab2 | 706 | dom.buf_type = LTTNG_BUFFER_GLOBAL; |
d78d6610 | 707 | } else if (opt_userspace) { |
2bdd86d4 | 708 | dom.type = LTTNG_DOMAIN_UST; |
7972aab2 | 709 | /* Default. */ |
8692d4e5 | 710 | dom.buf_type = LTTNG_BUFFER_PER_UID; |
b9dfb167 DG |
711 | } else if (opt_jul) { |
712 | dom.type = LTTNG_DOMAIN_JUL; | |
713 | /* Default. */ | |
714 | dom.buf_type = LTTNG_BUFFER_PER_UID; | |
5cdb6027 DG |
715 | } else if (opt_log4j) { |
716 | dom.type = LTTNG_DOMAIN_LOG4J; | |
717 | /* Default. */ | |
718 | dom.buf_type = LTTNG_BUFFER_PER_UID; | |
0e115563 DG |
719 | } else if (opt_python) { |
720 | dom.type = LTTNG_DOMAIN_PYTHON; | |
721 | /* Default. */ | |
722 | dom.buf_type = LTTNG_BUFFER_PER_UID; | |
6181537c | 723 | } else { |
b9dfb167 | 724 | print_missing_domain(); |
d16c1a4c | 725 | ret = CMD_ERROR; |
6181537c | 726 | goto error; |
2bdd86d4 | 727 | } |
7d29a247 | 728 | |
8b08c525 AB |
729 | if (opt_exclude) { |
730 | switch (dom.type) { | |
731 | case LTTNG_DOMAIN_KERNEL: | |
732 | case LTTNG_DOMAIN_JUL: | |
733 | case LTTNG_DOMAIN_LOG4J: | |
734 | case LTTNG_DOMAIN_PYTHON: | |
735 | ERR("Event name exclusions are not yet implemented for %s events", | |
736 | get_domain_str(dom.type)); | |
737 | ret = CMD_ERROR; | |
738 | goto error; | |
739 | case LTTNG_DOMAIN_UST: | |
740 | /* Exclusions supported */ | |
741 | break; | |
742 | default: | |
743 | assert(0); | |
744 | } | |
d5dd17fd JI |
745 | } |
746 | ||
85076754 | 747 | channel_name = opt_channel_name; |
ae856491 | 748 | |
cd80958d DG |
749 | handle = lttng_create_handle(session_name, &dom); |
750 | if (handle == NULL) { | |
751 | ret = -1; | |
752 | goto error; | |
753 | } | |
1aef21b6 | 754 | |
89476427 JRJ |
755 | /* Prepare Mi */ |
756 | if (lttng_opt_mi) { | |
757 | /* Open a events element */ | |
758 | ret = mi_lttng_writer_open_element(writer, config_element_events); | |
759 | if (ret) { | |
760 | ret = CMD_ERROR; | |
761 | goto error; | |
762 | } | |
763 | } | |
764 | ||
cd80958d | 765 | if (opt_enable_all) { |
8c9ae521 | 766 | /* Default setup for enable all */ |
75e8c5ab MD |
767 | if (opt_kernel) { |
768 | ev.type = opt_event_type; | |
29c62722 | 769 | strcpy(ev.name, "*"); |
300b8fd5 MD |
770 | /* kernel loglevels not implemented */ |
771 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; | |
75e8c5ab MD |
772 | } else { |
773 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
774 | strcpy(ev.name, "*"); | |
300b8fd5 MD |
775 | ev.loglevel_type = opt_loglevel_type; |
776 | if (opt_loglevel) { | |
0e115563 | 777 | assert(opt_userspace || opt_jul || opt_log4j || opt_python); |
b2064f54 DG |
778 | if (opt_userspace) { |
779 | ev.loglevel = loglevel_str_to_value(opt_loglevel); | |
780 | } else if (opt_jul) { | |
781 | ev.loglevel = loglevel_jul_str_to_value(opt_loglevel); | |
5cdb6027 DG |
782 | } else if (opt_log4j) { |
783 | ev.loglevel = loglevel_log4j_str_to_value(opt_loglevel); | |
0e115563 DG |
784 | } else if (opt_python) { |
785 | ev.loglevel = loglevel_python_str_to_value(opt_loglevel); | |
b2064f54 | 786 | } |
300b8fd5 MD |
787 | if (ev.loglevel == -1) { |
788 | ERR("Unknown loglevel %s", opt_loglevel); | |
2f70b271 | 789 | ret = -LTTNG_ERR_INVALID; |
300b8fd5 MD |
790 | goto error; |
791 | } | |
22e25b71 | 792 | } else { |
0e115563 | 793 | assert(opt_userspace || opt_jul || opt_log4j || opt_python); |
b2064f54 DG |
794 | if (opt_userspace) { |
795 | ev.loglevel = -1; | |
34aa3685 | 796 | } else if (opt_jul) { |
b2064f54 | 797 | ev.loglevel = LTTNG_LOGLEVEL_JUL_ALL; |
34aa3685 JG |
798 | } else if (opt_log4j) { |
799 | ev.loglevel = LTTNG_LOGLEVEL_LOG4J_ALL; | |
0e115563 DG |
800 | } else if (opt_python) { |
801 | ev.loglevel = LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
b2064f54 | 802 | } |
300b8fd5 | 803 | } |
75e8c5ab | 804 | } |
8c9ae521 | 805 | |
7ed70bc9 JI |
806 | if (opt_exclude) { |
807 | ret = check_exclusion_subsets("*", opt_exclude, | |
808 | &exclusion_count, &exclusion_list); | |
809 | if (ret == CMD_ERROR) { | |
810 | goto error; | |
811 | } | |
89476427 | 812 | ev.exclusion = 1; |
7ed70bc9 | 813 | } |
025faf73 | 814 | if (!opt_filter) { |
7ed70bc9 JI |
815 | ret = lttng_enable_event_with_exclusions(handle, |
816 | &ev, channel_name, | |
817 | NULL, | |
818 | exclusion_count, exclusion_list); | |
025faf73 DG |
819 | if (ret < 0) { |
820 | switch (-ret) { | |
821 | case LTTNG_ERR_KERN_EVENT_EXIST: | |
822 | WARN("Kernel events already enabled (channel %s, session %s)", | |
85076754 | 823 | print_channel_name(channel_name), session_name); |
89476427 | 824 | warn = 1; |
025faf73 | 825 | break; |
45d5d421 CB |
826 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
827 | { | |
828 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
829 | ERR("Events: %s (channel %s, session %s)", | |
830 | msg, | |
831 | print_channel_name(channel_name), | |
832 | session_name); | |
833 | error = 1; | |
834 | break; | |
835 | } | |
025faf73 DG |
836 | default: |
837 | ERR("Events: %s (channel %s, session %s)", | |
85076754 MD |
838 | lttng_strerror(ret), |
839 | ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
840 | ? print_raw_channel_name(channel_name) | |
841 | : print_channel_name(channel_name), | |
842 | session_name); | |
89476427 | 843 | error = 1; |
025faf73 DG |
844 | break; |
845 | } | |
846 | goto end; | |
42224349 | 847 | } |
8c9ae521 | 848 | |
025faf73 DG |
849 | switch (opt_event_type) { |
850 | case LTTNG_EVENT_TRACEPOINT: | |
67b58630 | 851 | if (opt_loglevel && dom.type != LTTNG_DOMAIN_KERNEL) { |
9c48cab3 | 852 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
853 | |
854 | if (!exclusion_string) { | |
855 | PERROR("Cannot allocate exclusion_string"); | |
856 | error = 1; | |
857 | goto end; | |
858 | } | |
9c48cab3 | 859 | MSG("All %s tracepoints%s are enabled in channel %s for loglevel %s", |
b9dfb167 | 860 | get_domain_str(dom.type), |
9c48cab3 | 861 | exclusion_string, |
85076754 | 862 | print_channel_name(channel_name), |
025faf73 | 863 | opt_loglevel); |
9c48cab3 | 864 | free(exclusion_string); |
025faf73 | 865 | } else { |
9c48cab3 | 866 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
867 | |
868 | if (!exclusion_string) { | |
869 | PERROR("Cannot allocate exclusion_string"); | |
870 | error = 1; | |
871 | goto end; | |
872 | } | |
9c48cab3 | 873 | MSG("All %s tracepoints%s are enabled in channel %s", |
b9dfb167 | 874 | get_domain_str(dom.type), |
9c48cab3 | 875 | exclusion_string, |
85076754 | 876 | print_channel_name(channel_name)); |
9c48cab3 | 877 | free(exclusion_string); |
025faf73 DG |
878 | } |
879 | break; | |
880 | case LTTNG_EVENT_SYSCALL: | |
881 | if (opt_kernel) { | |
6e911cad MD |
882 | MSG("All %s system calls are enabled in channel %s", |
883 | get_domain_str(dom.type), | |
85076754 | 884 | print_channel_name(channel_name)); |
025faf73 DG |
885 | } |
886 | break; | |
887 | case LTTNG_EVENT_ALL: | |
67b58630 | 888 | if (opt_loglevel && dom.type != LTTNG_DOMAIN_KERNEL) { |
9c48cab3 | 889 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
890 | |
891 | if (!exclusion_string) { | |
892 | PERROR("Cannot allocate exclusion_string"); | |
893 | error = 1; | |
894 | goto end; | |
895 | } | |
9c48cab3 | 896 | MSG("All %s events%s are enabled in channel %s for loglevel %s", |
b9dfb167 | 897 | get_domain_str(dom.type), |
9c48cab3 | 898 | exclusion_string, |
85076754 | 899 | print_channel_name(channel_name), |
025faf73 | 900 | opt_loglevel); |
9c48cab3 | 901 | free(exclusion_string); |
025faf73 | 902 | } else { |
9c48cab3 | 903 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
904 | |
905 | if (!exclusion_string) { | |
906 | PERROR("Cannot allocate exclusion_string"); | |
907 | error = 1; | |
908 | goto end; | |
909 | } | |
9c48cab3 | 910 | MSG("All %s events%s are enabled in channel %s", |
b9dfb167 | 911 | get_domain_str(dom.type), |
9c48cab3 | 912 | exclusion_string, |
85076754 | 913 | print_channel_name(channel_name)); |
9c48cab3 | 914 | free(exclusion_string); |
025faf73 DG |
915 | } |
916 | break; | |
917 | default: | |
918 | /* | |
919 | * We should not be here since lttng_enable_event should have | |
920 | * failed on the event type. | |
921 | */ | |
922 | goto error; | |
57064ada | 923 | } |
f3ed775e | 924 | } |
89476427 | 925 | |
025faf73 | 926 | if (opt_filter) { |
89476427 | 927 | command_ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name, |
7ed70bc9 | 928 | opt_filter, exclusion_count, exclusion_list); |
89476427 JRJ |
929 | if (command_ret < 0) { |
930 | switch (-command_ret) { | |
16363652 | 931 | case LTTNG_ERR_FILTER_EXIST: |
85076754 | 932 | WARN("Filter on all events is already enabled" |
16363652 | 933 | " (channel %s, session %s)", |
85076754 | 934 | print_channel_name(channel_name), session_name); |
89476427 | 935 | warn = 1; |
16363652 | 936 | break; |
45d5d421 CB |
937 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
938 | { | |
939 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
940 | ERR("All events: %s (channel %s, session %s, filter \'%s\')", | |
941 | msg, | |
942 | print_channel_name(channel_name), | |
943 | session_name, opt_filter); | |
944 | error = 1; | |
945 | break; | |
946 | } | |
16363652 | 947 | default: |
85076754 | 948 | ERR("All events: %s (channel %s, session %s, filter \'%s\')", |
da3d7d0e JRJ |
949 | lttng_strerror(command_ret), |
950 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
951 | ? print_raw_channel_name(channel_name) |
952 | : print_channel_name(channel_name), | |
953 | session_name, opt_filter); | |
89476427 | 954 | error = 1; |
16363652 DG |
955 | break; |
956 | } | |
89476427 | 957 | error_holder = command_ret; |
16363652 | 958 | } else { |
89476427 | 959 | ev.filter = 1; |
16363652 DG |
960 | MSG("Filter '%s' successfully set", opt_filter); |
961 | } | |
962 | } | |
89476427 JRJ |
963 | |
964 | if (lttng_opt_mi) { | |
965 | /* The wildcard * is used for kernel and ust domain to | |
966 | * represent ALL. We copy * in event name to force the wildcard use | |
967 | * for kernel domain | |
968 | * | |
969 | * Note: this is strictly for semantic and printing while in | |
970 | * machine interface mode. | |
971 | */ | |
972 | strcpy(ev.name, "*"); | |
973 | ||
974 | /* If we reach here the events are enabled */ | |
975 | if (!error && !warn) { | |
976 | ev.enabled = 1; | |
977 | } else { | |
978 | ev.enabled = 0; | |
979 | success = 0; | |
980 | } | |
970d848b | 981 | ret = mi_lttng_event(writer, &ev, 1, handle->domain.type); |
89476427 JRJ |
982 | if (ret) { |
983 | ret = CMD_ERROR; | |
984 | goto error; | |
985 | } | |
986 | ||
987 | /* print exclusion */ | |
988 | ret = mi_print_exclusion(exclusion_count, exclusion_list); | |
989 | if (ret) { | |
990 | ret = CMD_ERROR; | |
991 | goto error; | |
992 | } | |
993 | ||
994 | /* Success ? */ | |
995 | ret = mi_lttng_writer_write_element_bool(writer, | |
996 | mi_lttng_element_command_success, success); | |
997 | if (ret) { | |
998 | ret = CMD_ERROR; | |
999 | goto error; | |
1000 | } | |
1001 | ||
1002 | /* Close event element */ | |
1003 | ret = mi_lttng_writer_close_element(writer); | |
1004 | if (ret) { | |
1005 | ret = CMD_ERROR; | |
1006 | goto error; | |
1007 | } | |
1008 | } | |
1009 | ||
8c9ae521 | 1010 | goto end; |
f3ed775e DG |
1011 | } |
1012 | ||
1013 | /* Strip event list */ | |
1014 | event_name = strtok(opt_event_list, ","); | |
1015 | while (event_name != NULL) { | |
6181537c DG |
1016 | /* Copy name and type of the event */ |
1017 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1018 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
1019 | ev.type = opt_event_type; | |
1020 | ||
f3ed775e DG |
1021 | /* Kernel tracer action */ |
1022 | if (opt_kernel) { | |
1023 | DBG("Enabling kernel event %s for channel %s", | |
85076754 MD |
1024 | event_name, |
1025 | print_channel_name(channel_name)); | |
f3ed775e DG |
1026 | |
1027 | switch (opt_event_type) { | |
29c62722 MD |
1028 | case LTTNG_EVENT_ALL: /* Enable tracepoints and syscalls */ |
1029 | /* If event name differs from *, select tracepoint. */ | |
1030 | if (strcmp(ev.name, "*")) { | |
1031 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1032 | } | |
1033 | break; | |
e6ddca71 | 1034 | case LTTNG_EVENT_TRACEPOINT: |
f3ed775e | 1035 | break; |
7d29a247 | 1036 | case LTTNG_EVENT_PROBE: |
cf0e5467 | 1037 | ret = parse_probe_opts(&ev, opt_probe); |
49d4e302 | 1038 | if (ret) { |
cf0e5467 | 1039 | ERR("Unable to parse probe options"); |
0d63dd19 DG |
1040 | ret = 0; |
1041 | goto error; | |
1042 | } | |
f3ed775e DG |
1043 | break; |
1044 | case LTTNG_EVENT_FUNCTION: | |
8f0d098b | 1045 | ret = parse_probe_opts(&ev, opt_function); |
49d4e302 | 1046 | if (ret) { |
8f0d098b MD |
1047 | ERR("Unable to parse function probe options"); |
1048 | ret = 0; | |
1049 | goto error; | |
1050 | } | |
1051 | break; | |
a54bd42d | 1052 | case LTTNG_EVENT_SYSCALL: |
c6aa2d41 MD |
1053 | ev.type = LTTNG_EVENT_SYSCALL; |
1054 | break; | |
f3ed775e | 1055 | default: |
1ab1ea0b | 1056 | ret = CMD_UNDEFINED; |
f3ed775e DG |
1057 | goto error; |
1058 | } | |
0cda4f28 | 1059 | |
0cda4f28 | 1060 | /* kernel loglevels not implemented */ |
8005f29a | 1061 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
f3ed775e | 1062 | } else if (opt_userspace) { /* User-space tracer action */ |
300b8fd5 | 1063 | DBG("Enabling UST event %s for channel %s, loglevel %s", event_name, |
85076754 | 1064 | print_channel_name(channel_name), opt_loglevel ? : "<all>"); |
2bdd86d4 MD |
1065 | |
1066 | switch (opt_event_type) { | |
1067 | case LTTNG_EVENT_ALL: /* Default behavior is tracepoint */ | |
2bdd86d4 MD |
1068 | /* Fall-through */ |
1069 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e MD |
1070 | /* Copy name and type of the event */ |
1071 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1072 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1073 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
2bdd86d4 MD |
1074 | break; |
1075 | case LTTNG_EVENT_PROBE: | |
1076 | case LTTNG_EVENT_FUNCTION: | |
2bdd86d4 MD |
1077 | case LTTNG_EVENT_SYSCALL: |
1078 | default: | |
cc62c0c0 | 1079 | ERR("Event type not available for user-space tracing"); |
4ce78777 | 1080 | ret = CMD_UNSUPPORTED; |
2bdd86d4 MD |
1081 | goto error; |
1082 | } | |
0cda4f28 | 1083 | |
7ed70bc9 | 1084 | if (opt_exclude) { |
89476427 | 1085 | ev.exclusion = 1; |
d5dd17fd JI |
1086 | if (opt_event_type != LTTNG_EVENT_ALL && opt_event_type != LTTNG_EVENT_TRACEPOINT) { |
1087 | ERR("Exclusion option can only be used with tracepoint events"); | |
1088 | ret = CMD_ERROR; | |
1089 | goto error; | |
1090 | } | |
7ed70bc9 JI |
1091 | /* Free previously allocated items */ |
1092 | if (exclusion_list != NULL) { | |
1093 | while (exclusion_count--) { | |
1094 | free(exclusion_list[exclusion_count]); | |
1095 | } | |
1096 | free(exclusion_list); | |
1097 | exclusion_list = NULL; | |
1098 | } | |
1099 | /* Check for proper subsets */ | |
1100 | ret = check_exclusion_subsets(event_name, opt_exclude, | |
1101 | &exclusion_count, &exclusion_list); | |
1102 | if (ret == CMD_ERROR) { | |
1103 | goto error; | |
1104 | } | |
1105 | } | |
1106 | ||
0cda4f28 | 1107 | ev.loglevel_type = opt_loglevel_type; |
ed7f4083 | 1108 | if (opt_loglevel) { |
8005f29a MD |
1109 | ev.loglevel = loglevel_str_to_value(opt_loglevel); |
1110 | if (ev.loglevel == -1) { | |
1111 | ERR("Unknown loglevel %s", opt_loglevel); | |
2f70b271 | 1112 | ret = -LTTNG_ERR_INVALID; |
8005f29a MD |
1113 | goto error; |
1114 | } | |
22e25b71 MD |
1115 | } else { |
1116 | ev.loglevel = -1; | |
ed7f4083 | 1117 | } |
0e115563 | 1118 | } else if (opt_jul || opt_log4j || opt_python) { |
b9dfb167 DG |
1119 | if (opt_event_type != LTTNG_EVENT_ALL && |
1120 | opt_event_type != LTTNG_EVENT_TRACEPOINT) { | |
5cdb6027 | 1121 | ERR("Event type not supported for domain."); |
b9dfb167 DG |
1122 | ret = CMD_UNSUPPORTED; |
1123 | goto error; | |
1124 | } | |
b2064f54 DG |
1125 | |
1126 | ev.loglevel_type = opt_loglevel_type; | |
1127 | if (opt_loglevel) { | |
5cdb6027 DG |
1128 | if (opt_jul) { |
1129 | ev.loglevel = loglevel_jul_str_to_value(opt_loglevel); | |
1130 | } else if (opt_log4j) { | |
1131 | ev.loglevel = loglevel_log4j_str_to_value(opt_loglevel); | |
0e115563 DG |
1132 | } else if (opt_python) { |
1133 | ev.loglevel = loglevel_python_str_to_value(opt_loglevel); | |
5cdb6027 | 1134 | } |
b2064f54 DG |
1135 | if (ev.loglevel == -1) { |
1136 | ERR("Unknown loglevel %s", opt_loglevel); | |
1137 | ret = -LTTNG_ERR_INVALID; | |
1138 | goto error; | |
1139 | } | |
1140 | } else { | |
5cdb6027 DG |
1141 | if (opt_jul) { |
1142 | ev.loglevel = LTTNG_LOGLEVEL_JUL_ALL; | |
1143 | } else if (opt_log4j) { | |
1144 | ev.loglevel = LTTNG_LOGLEVEL_LOG4J_ALL; | |
0e115563 DG |
1145 | } else if (opt_python) { |
1146 | ev.loglevel = LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
5cdb6027 | 1147 | } |
b2064f54 | 1148 | } |
b9dfb167 DG |
1149 | ev.type = LTTNG_EVENT_TRACEPOINT; |
1150 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1151 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
f3ed775e | 1152 | } else { |
b9dfb167 | 1153 | print_missing_domain(); |
300b8fd5 | 1154 | ret = CMD_ERROR; |
f3ed775e DG |
1155 | goto error; |
1156 | } | |
1157 | ||
025faf73 | 1158 | if (!opt_filter) { |
9c48cab3 JI |
1159 | char *exclusion_string; |
1160 | ||
89476427 | 1161 | command_ret = lttng_enable_event_with_exclusions(handle, |
7ed70bc9 JI |
1162 | &ev, channel_name, |
1163 | NULL, exclusion_count, exclusion_list); | |
9c48cab3 | 1164 | exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
1165 | if (!exclusion_string) { |
1166 | PERROR("Cannot allocate exclusion_string"); | |
1167 | error = 1; | |
1168 | goto end; | |
1169 | } | |
89476427 | 1170 | if (command_ret < 0) { |
025faf73 | 1171 | /* Turn ret to positive value to handle the positive error code */ |
89476427 | 1172 | switch (-command_ret) { |
025faf73 | 1173 | case LTTNG_ERR_KERN_EVENT_EXIST: |
9c48cab3 | 1174 | WARN("Kernel event %s%s already enabled (channel %s, session %s)", |
85076754 | 1175 | event_name, |
9c48cab3 | 1176 | exclusion_string, |
85076754 | 1177 | print_channel_name(channel_name), session_name); |
89476427 | 1178 | warn = 1; |
025faf73 | 1179 | break; |
45d5d421 CB |
1180 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
1181 | { | |
1182 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
1183 | ERR("Event %s%s: %s (channel %s, session %s)", event_name, | |
1184 | exclusion_string, | |
1185 | msg, | |
1186 | print_channel_name(channel_name), | |
1187 | session_name); | |
1188 | error = 1; | |
1189 | break; | |
1190 | } | |
025faf73 | 1191 | default: |
9c48cab3 JI |
1192 | ERR("Event %s%s: %s (channel %s, session %s)", event_name, |
1193 | exclusion_string, | |
da3d7d0e JRJ |
1194 | lttng_strerror(command_ret), |
1195 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
1196 | ? print_raw_channel_name(channel_name) |
1197 | : print_channel_name(channel_name), | |
1198 | session_name); | |
89476427 | 1199 | error = 1; |
025faf73 DG |
1200 | break; |
1201 | } | |
89476427 | 1202 | error_holder = command_ret; |
025faf73 | 1203 | } else { |
8274eeba AB |
1204 | switch (dom.type) { |
1205 | case LTTNG_DOMAIN_KERNEL: | |
1206 | case LTTNG_DOMAIN_UST: | |
49ceaa70 | 1207 | MSG("%s event %s%s created in channel %s", |
8274eeba AB |
1208 | get_domain_str(dom.type), |
1209 | event_name, | |
1210 | exclusion_string, | |
1211 | print_channel_name(channel_name)); | |
1212 | break; | |
1213 | case LTTNG_DOMAIN_JUL: | |
1214 | case LTTNG_DOMAIN_LOG4J: | |
1215 | case LTTNG_DOMAIN_PYTHON: | |
1216 | /* | |
1217 | * Don't print the default channel | |
1218 | * name for agent domains. | |
1219 | */ | |
895707da | 1220 | MSG("%s event %s%s enabled", |
8274eeba AB |
1221 | get_domain_str(dom.type), |
1222 | event_name, | |
1223 | exclusion_string); | |
1224 | break; | |
1225 | default: | |
1226 | assert(0); | |
49ceaa70 | 1227 | } |
42224349 | 1228 | } |
9c48cab3 | 1229 | free(exclusion_string); |
6181537c | 1230 | } |
025faf73 DG |
1231 | |
1232 | if (opt_filter) { | |
9c48cab3 JI |
1233 | char *exclusion_string; |
1234 | ||
89476427 JRJ |
1235 | /* Filter present */ |
1236 | ev.filter = 1; | |
1237 | ||
1238 | command_ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name, | |
7ed70bc9 | 1239 | opt_filter, exclusion_count, exclusion_list); |
9c48cab3 | 1240 | exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
1241 | if (!exclusion_string) { |
1242 | PERROR("Cannot allocate exclusion_string"); | |
1243 | error = 1; | |
1244 | goto end; | |
1245 | } | |
89476427 JRJ |
1246 | if (command_ret < 0) { |
1247 | switch (-command_ret) { | |
7671f53c | 1248 | case LTTNG_ERR_FILTER_EXIST: |
9c48cab3 | 1249 | WARN("Filter on event %s%s is already enabled" |
7671f53c | 1250 | " (channel %s, session %s)", |
85076754 | 1251 | event_name, |
9c48cab3 | 1252 | exclusion_string, |
85076754 | 1253 | print_channel_name(channel_name), session_name); |
89476427 | 1254 | warn = 1; |
7671f53c | 1255 | break; |
45d5d421 CB |
1256 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
1257 | { | |
1258 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
1259 | ERR("Event %s%s: %s (channel %s, session %s, filter \'%s\')", ev.name, | |
1260 | exclusion_string, | |
1261 | msg, | |
1262 | print_channel_name(channel_name), | |
1263 | session_name, opt_filter); | |
1264 | error = 1; | |
1265 | break; | |
1266 | } | |
7671f53c | 1267 | default: |
9c48cab3 JI |
1268 | ERR("Event %s%s: %s (channel %s, session %s, filter \'%s\')", ev.name, |
1269 | exclusion_string, | |
da3d7d0e JRJ |
1270 | lttng_strerror(command_ret), |
1271 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
1272 | ? print_raw_channel_name(channel_name) |
1273 | : print_channel_name(channel_name), | |
1274 | session_name, opt_filter); | |
89476427 | 1275 | error = 1; |
7671f53c CB |
1276 | break; |
1277 | } | |
89476427 JRJ |
1278 | error_holder = command_ret; |
1279 | ||
16363652 | 1280 | } else { |
9c48cab3 JI |
1281 | MSG("Event %s%s: Filter '%s' successfully set", |
1282 | event_name, exclusion_string, | |
1283 | opt_filter); | |
53a80697 | 1284 | } |
9c48cab3 | 1285 | free(exclusion_string); |
53a80697 | 1286 | } |
6181537c | 1287 | |
89476427 JRJ |
1288 | if (lttng_opt_mi) { |
1289 | if (command_ret) { | |
1290 | success = 0; | |
1291 | ev.enabled = 0; | |
1292 | } else { | |
1293 | ev.enabled = 1; | |
1294 | } | |
1295 | ||
970d848b | 1296 | ret = mi_lttng_event(writer, &ev, 1, handle->domain.type); |
89476427 JRJ |
1297 | if (ret) { |
1298 | ret = CMD_ERROR; | |
1299 | goto error; | |
1300 | } | |
1301 | ||
1302 | /* print exclusion */ | |
1303 | ret = mi_print_exclusion(exclusion_count, exclusion_list); | |
1304 | if (ret) { | |
1305 | ret = CMD_ERROR; | |
1306 | goto error; | |
1307 | } | |
1308 | ||
1309 | /* Success ? */ | |
1310 | ret = mi_lttng_writer_write_element_bool(writer, | |
1311 | mi_lttng_element_command_success, success); | |
1312 | if (ret) { | |
1313 | ret = CMD_ERROR; | |
1314 | goto end; | |
1315 | } | |
1316 | ||
1317 | /* Close event element */ | |
1318 | ret = mi_lttng_writer_close_element(writer); | |
1319 | if (ret) { | |
1320 | ret = CMD_ERROR; | |
1321 | goto end; | |
1322 | } | |
1323 | } | |
1324 | ||
f3ed775e DG |
1325 | /* Next event */ |
1326 | event_name = strtok(NULL, ","); | |
89476427 JRJ |
1327 | /* Reset warn, error and success */ |
1328 | success = 1; | |
f3ed775e DG |
1329 | } |
1330 | ||
8c9ae521 | 1331 | end: |
89476427 JRJ |
1332 | /* Close Mi */ |
1333 | if (lttng_opt_mi) { | |
1334 | /* Close events element */ | |
1335 | ret = mi_lttng_writer_close_element(writer); | |
1336 | if (ret) { | |
1337 | ret = CMD_ERROR; | |
1338 | goto error; | |
1339 | } | |
1340 | } | |
f3ed775e | 1341 | error: |
ae856491 DG |
1342 | if (warn) { |
1343 | ret = CMD_WARNING; | |
1344 | } | |
89476427 JRJ |
1345 | if (error) { |
1346 | ret = CMD_ERROR; | |
1347 | } | |
cd80958d DG |
1348 | lttng_destroy_handle(handle); |
1349 | ||
7ed70bc9 JI |
1350 | if (exclusion_list != NULL) { |
1351 | while (exclusion_count--) { | |
1352 | free(exclusion_list[exclusion_count]); | |
1353 | } | |
1354 | free(exclusion_list); | |
1355 | } | |
1356 | ||
89476427 JRJ |
1357 | /* Overwrite ret with error_holder if there was an actual error with |
1358 | * enabling an event. | |
1359 | */ | |
1360 | ret = error_holder ? error_holder : ret; | |
1361 | ||
f3ed775e DG |
1362 | return ret; |
1363 | } | |
1364 | ||
1365 | /* | |
6181537c | 1366 | * Add event to trace session |
f3ed775e DG |
1367 | */ |
1368 | int cmd_enable_events(int argc, const char **argv) | |
1369 | { | |
89476427 | 1370 | int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1; |
f3ed775e | 1371 | static poptContext pc; |
cd80958d | 1372 | char *session_name = NULL; |
de044b7a | 1373 | int event_type = -1; |
f3ed775e DG |
1374 | |
1375 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1376 | poptReadDefaultConfig(pc, 0); | |
1377 | ||
1378 | /* Default event type */ | |
7a3d1328 | 1379 | opt_event_type = LTTNG_EVENT_ALL; |
f3ed775e DG |
1380 | |
1381 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1382 | switch (opt) { | |
1383 | case OPT_HELP: | |
ca1c3607 | 1384 | usage(stdout); |
f3ed775e | 1385 | goto end; |
f3ed775e | 1386 | case OPT_TRACEPOINT: |
e6ddca71 | 1387 | opt_event_type = LTTNG_EVENT_TRACEPOINT; |
f3ed775e | 1388 | break; |
cf0e5467 | 1389 | case OPT_PROBE: |
7d29a247 | 1390 | opt_event_type = LTTNG_EVENT_PROBE; |
f3ed775e DG |
1391 | break; |
1392 | case OPT_FUNCTION: | |
1393 | opt_event_type = LTTNG_EVENT_FUNCTION; | |
8f0d098b | 1394 | break; |
a54bd42d MD |
1395 | case OPT_SYSCALL: |
1396 | opt_event_type = LTTNG_EVENT_SYSCALL; | |
0133c199 | 1397 | break; |
eeac7d46 MD |
1398 | case OPT_USERSPACE: |
1399 | opt_userspace = 1; | |
eeac7d46 | 1400 | break; |
0cda4f28 | 1401 | case OPT_LOGLEVEL: |
8005f29a | 1402 | opt_loglevel_type = LTTNG_EVENT_LOGLEVEL_RANGE; |
0cda4f28 MD |
1403 | opt_loglevel = poptGetOptArg(pc); |
1404 | break; | |
1405 | case OPT_LOGLEVEL_ONLY: | |
8005f29a | 1406 | opt_loglevel_type = LTTNG_EVENT_LOGLEVEL_SINGLE; |
0cda4f28 | 1407 | opt_loglevel = poptGetOptArg(pc); |
13dce3b7 | 1408 | break; |
679b4943 SM |
1409 | case OPT_LIST_OPTIONS: |
1410 | list_cmd_options(stdout, long_options); | |
679b4943 | 1411 | goto end; |
53a80697 MD |
1412 | case OPT_FILTER: |
1413 | break; | |
fac3366c JI |
1414 | case OPT_EXCLUDE: |
1415 | break; | |
f3ed775e DG |
1416 | default: |
1417 | usage(stderr); | |
1418 | ret = CMD_UNDEFINED; | |
1419 | goto end; | |
1420 | } | |
de044b7a DG |
1421 | |
1422 | /* Validate event type. Multiple event type are not supported. */ | |
1423 | if (event_type == -1) { | |
1424 | event_type = opt_event_type; | |
1425 | } else { | |
1426 | if (event_type != opt_event_type) { | |
1427 | ERR("Multiple event type not supported."); | |
1428 | ret = CMD_ERROR; | |
1429 | goto end; | |
1430 | } | |
1431 | } | |
f3ed775e DG |
1432 | } |
1433 | ||
89476427 JRJ |
1434 | /* Mi check */ |
1435 | if (lttng_opt_mi) { | |
1436 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1437 | if (!writer) { | |
1438 | ret = -LTTNG_ERR_NOMEM; | |
1439 | goto end; | |
1440 | } | |
1441 | ||
1442 | /* Open command element */ | |
1443 | ret = mi_lttng_writer_command_open(writer, | |
1444 | mi_lttng_element_command_enable_event); | |
1445 | if (ret) { | |
1446 | ret = CMD_ERROR; | |
1447 | goto end; | |
1448 | } | |
1449 | ||
1450 | /* Open output element */ | |
1451 | ret = mi_lttng_writer_open_element(writer, | |
1452 | mi_lttng_element_command_output); | |
1453 | if (ret) { | |
1454 | ret = CMD_ERROR; | |
1455 | goto end; | |
1456 | } | |
1457 | } | |
1458 | ||
f3ed775e DG |
1459 | opt_event_list = (char*) poptGetArg(pc); |
1460 | if (opt_event_list == NULL && opt_enable_all == 0) { | |
1461 | ERR("Missing event name(s).\n"); | |
1462 | usage(stderr); | |
ca1c3607 | 1463 | ret = CMD_ERROR; |
f3ed775e DG |
1464 | goto end; |
1465 | } | |
1466 | ||
cd80958d DG |
1467 | if (!opt_session_name) { |
1468 | session_name = get_session_name(); | |
1469 | if (session_name == NULL) { | |
89476427 JRJ |
1470 | command_ret = CMD_ERROR; |
1471 | success = 0; | |
1472 | goto mi_closing; | |
cd80958d DG |
1473 | } |
1474 | } else { | |
1475 | session_name = opt_session_name; | |
1476 | } | |
1477 | ||
89476427 JRJ |
1478 | command_ret = enable_events(session_name); |
1479 | if (command_ret) { | |
1480 | success = 0; | |
1481 | goto mi_closing; | |
1482 | } | |
1483 | ||
1484 | mi_closing: | |
1485 | /* Mi closing */ | |
1486 | if (lttng_opt_mi) { | |
1487 | /* Close output element */ | |
1488 | ret = mi_lttng_writer_close_element(writer); | |
1489 | if (ret) { | |
1490 | ret = CMD_ERROR; | |
1491 | goto end; | |
1492 | } | |
1493 | ||
1494 | ret = mi_lttng_writer_write_element_bool(writer, | |
1495 | mi_lttng_element_command_success, success); | |
1496 | if (ret) { | |
1497 | ret = CMD_ERROR; | |
1498 | goto end; | |
1499 | } | |
1500 | ||
1501 | /* Command element close */ | |
1502 | ret = mi_lttng_writer_command_close(writer); | |
1503 | if (ret) { | |
1504 | ret = CMD_ERROR; | |
1505 | goto end; | |
1506 | } | |
1507 | } | |
f3ed775e DG |
1508 | |
1509 | end: | |
89476427 JRJ |
1510 | /* Mi clean-up */ |
1511 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1512 | /* Preserve original error code */ | |
1513 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
1514 | } | |
1515 | ||
cd80958d DG |
1516 | if (opt_session_name == NULL) { |
1517 | free(session_name); | |
1518 | } | |
1519 | ||
89476427 JRJ |
1520 | /* Overwrite ret if an error occurred in enable_events */ |
1521 | ret = command_ret ? command_ret : ret; | |
1522 | ||
ca1c3607 | 1523 | poptFreeContext(pc); |
f3ed775e DG |
1524 | return ret; |
1525 | } |