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 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
b2064f54 | 19 | #include <assert.h> |
f3ed775e DG |
20 | #include <popt.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
f3ed775e DG |
23 | #include <sys/stat.h> |
24 | #include <sys/types.h> | |
25 | #include <unistd.h> | |
5a0de755 | 26 | #include <inttypes.h> |
8f0d098b | 27 | #include <ctype.h> |
f3ed775e | 28 | |
42224349 | 29 | #include <src/common/sessiond-comm/sessiond-comm.h> |
f5436bfc | 30 | #include <common/compat/string.h> |
f3ed775e | 31 | |
89476427 JRJ |
32 | /* Mi dependancy */ |
33 | #include <common/mi-lttng.h> | |
34 | ||
35 | #include "../command.h" | |
36 | ||
8ab7c0d9 MD |
37 | #if (LTTNG_SYMBOL_NAME_LEN == 256) |
38 | #define LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "255" | |
39 | #endif | |
40 | ||
f3ed775e DG |
41 | static char *opt_event_list; |
42 | static int opt_event_type; | |
0cda4f28 MD |
43 | static const char *opt_loglevel; |
44 | static int opt_loglevel_type; | |
6181537c | 45 | static int opt_kernel; |
5440dc42 | 46 | static char *opt_session_name; |
f3ed775e | 47 | static int opt_userspace; |
b9dfb167 | 48 | static int opt_jul; |
5cdb6027 | 49 | static int opt_log4j; |
0e115563 | 50 | static int opt_python; |
f3ed775e | 51 | static int opt_enable_all; |
cf0e5467 | 52 | static char *opt_probe; |
8f0d098b | 53 | static char *opt_function; |
f3ed775e | 54 | static char *opt_channel_name; |
53a80697 | 55 | static char *opt_filter; |
fac3366c | 56 | static char *opt_exclude; |
f3ed775e DG |
57 | |
58 | enum { | |
59 | OPT_HELP = 1, | |
f3ed775e | 60 | OPT_TRACEPOINT, |
cf0e5467 | 61 | OPT_PROBE, |
f3ed775e | 62 | OPT_FUNCTION, |
a54bd42d | 63 | OPT_SYSCALL, |
eeac7d46 | 64 | OPT_USERSPACE, |
0cda4f28 MD |
65 | OPT_LOGLEVEL, |
66 | OPT_LOGLEVEL_ONLY, | |
679b4943 | 67 | OPT_LIST_OPTIONS, |
53a80697 | 68 | OPT_FILTER, |
fac3366c | 69 | OPT_EXCLUDE, |
f3ed775e DG |
70 | }; |
71 | ||
cd80958d | 72 | static struct lttng_handle *handle; |
89476427 | 73 | static struct mi_writer *writer; |
cd80958d | 74 | |
f3ed775e DG |
75 | static struct poptOption long_options[] = { |
76 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
77 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 78 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
e14f64a8 | 79 | {"all", 'a', POPT_ARG_VAL, &opt_enable_all, 1, 0, 0}, |
f3ed775e DG |
80 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
81 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
d78d6610 | 82 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
b9dfb167 | 83 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, |
5cdb6027 | 84 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, |
0e115563 | 85 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, |
f3ed775e | 86 | {"tracepoint", 0, POPT_ARG_NONE, 0, OPT_TRACEPOINT, 0, 0}, |
7ebae521 | 87 | {"probe", 0, POPT_ARG_STRING, &opt_probe, OPT_PROBE, 0, 0}, |
40e9d5d3 | 88 | {"function", 0, POPT_ARG_STRING, &opt_function, OPT_FUNCTION, 0, 0}, |
7ebae521 | 89 | {"syscall", 0, POPT_ARG_NONE, 0, OPT_SYSCALL, 0, 0}, |
0cda4f28 MD |
90 | {"loglevel", 0, POPT_ARG_STRING, 0, OPT_LOGLEVEL, 0, 0}, |
91 | {"loglevel-only", 0, POPT_ARG_STRING, 0, OPT_LOGLEVEL_ONLY, 0, 0}, | |
679b4943 | 92 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
53a80697 | 93 | {"filter", 'f', POPT_ARG_STRING, &opt_filter, OPT_FILTER, 0, 0}, |
fac3366c | 94 | {"exclude", 'x', POPT_ARG_STRING, &opt_exclude, OPT_EXCLUDE, 0, 0}, |
f3ed775e DG |
95 | {0, 0, 0, 0, 0, 0, 0} |
96 | }; | |
97 | ||
98 | /* | |
99 | * usage | |
100 | */ | |
101 | static void usage(FILE *ofp) | |
102 | { | |
313f1ac7 | 103 | fprintf(ofp, "usage: lttng enable-event NAME[,NAME2,...] (-k | -u | -j | -l | -p) [OPTIONS] \n"); |
f3ed775e | 104 | fprintf(ofp, "\n"); |
32a6298d | 105 | fprintf(ofp, "Options:\n"); |
f3ed775e | 106 | fprintf(ofp, " -h, --help Show this help\n"); |
679b4943 | 107 | fprintf(ofp, " --list-options Simple listing of options\n"); |
32a6298d DG |
108 | fprintf(ofp, " -s, --session NAME Apply to session name\n"); |
109 | fprintf(ofp, " -c, --channel NAME Apply to this channel\n"); | |
e08bff8d | 110 | fprintf(ofp, " -a, --all Enable all tracepoints and syscalls\n"); |
c69130a8 | 111 | fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n"); |
27221701 | 112 | fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n"); |
c69130a8 | 113 | fprintf(ofp, " -j, --jul Apply to Java application using JUL\n"); |
5cdb6027 | 114 | fprintf(ofp, " -l, --log4j Apply for Java application using LOG4j\n"); |
23171d8c | 115 | fprintf(ofp, " -p, --python Apply for Python application\n"); |
f3ed775e DG |
116 | fprintf(ofp, "\n"); |
117 | fprintf(ofp, "Event options:\n"); | |
118 | fprintf(ofp, " --tracepoint Tracepoint event (default)\n"); | |
be49af1e MD |
119 | fprintf(ofp, " - userspace tracer supports wildcards at end of string.\n"); |
120 | fprintf(ofp, " Don't forget to quote to deal with bash expansion.\n"); | |
121 | fprintf(ofp, " e.g.:\n"); | |
122 | fprintf(ofp, " \"*\"\n"); | |
123 | fprintf(ofp, " \"app_component:na*\"\n"); | |
6a240cd9 | 124 | fprintf(ofp, " --probe (addr | symbol | symbol+offset)\n"); |
cf0e5467 MD |
125 | fprintf(ofp, " Dynamic probe.\n"); |
126 | fprintf(ofp, " Addr and offset can be octal (0NNN...),\n"); | |
127 | fprintf(ofp, " decimal (NNN...) or hexadecimal (0xNNN...)\n"); | |
6a240cd9 | 128 | fprintf(ofp, " --function (addr | symbol | symbol+offset)\n"); |
8f0d098b MD |
129 | fprintf(ofp, " Dynamic function entry/return probe.\n"); |
130 | fprintf(ofp, " Addr and offset can be octal (0NNN...),\n"); | |
131 | fprintf(ofp, " decimal (NNN...) or hexadecimal (0xNNN...)\n"); | |
a54bd42d | 132 | fprintf(ofp, " --syscall System call event\n"); |
f3ed775e | 133 | fprintf(ofp, "\n"); |
300b8fd5 | 134 | fprintf(ofp, " --loglevel name\n"); |
f9e8873b | 135 | fprintf(ofp, " Tracepoint loglevel range from 0 to loglevel.\n"); |
372a6d2a | 136 | fprintf(ofp, " For JUL/LOG4j/Python domains, see the table below for the range values.\n"); |
300b8fd5 MD |
137 | fprintf(ofp, " --loglevel-only name\n"); |
138 | fprintf(ofp, " Tracepoint loglevel (only this loglevel)\n"); | |
139 | fprintf(ofp, "\n"); | |
0c8477c8 MD |
140 | fprintf(ofp, " The loglevel or loglevel-only options should be\n"); |
141 | fprintf(ofp, " combined with a tracepoint name or tracepoint\n"); | |
142 | fprintf(ofp, " wildcard.\n"); | |
143 | fprintf(ofp, " Available loglevels:\n"); | |
144 | fprintf(ofp, " (higher value is more verbose)\n"); | |
46839cc2 MD |
145 | fprintf(ofp, " TRACE_EMERG = 0\n"); |
146 | fprintf(ofp, " TRACE_ALERT = 1\n"); | |
147 | fprintf(ofp, " TRACE_CRIT = 2\n"); | |
148 | fprintf(ofp, " TRACE_ERR = 3\n"); | |
149 | fprintf(ofp, " TRACE_WARNING = 4\n"); | |
150 | fprintf(ofp, " TRACE_NOTICE = 5\n"); | |
151 | fprintf(ofp, " TRACE_INFO = 6\n"); | |
152 | fprintf(ofp, " TRACE_DEBUG_SYSTEM = 7\n"); | |
153 | fprintf(ofp, " TRACE_DEBUG_PROGRAM = 8\n"); | |
154 | fprintf(ofp, " TRACE_DEBUG_PROCESS = 9\n"); | |
155 | fprintf(ofp, " TRACE_DEBUG_MODULE = 10\n"); | |
156 | fprintf(ofp, " TRACE_DEBUG_UNIT = 11\n"); | |
157 | fprintf(ofp, " TRACE_DEBUG_FUNCTION = 12\n"); | |
158 | fprintf(ofp, " TRACE_DEBUG_LINE = 13\n"); | |
159 | fprintf(ofp, " TRACE_DEBUG = 14\n"); | |
160 | fprintf(ofp, " (shortcuts such as \"system\" are allowed)\n"); | |
b2064f54 DG |
161 | fprintf(ofp, "\n"); |
162 | fprintf(ofp, " Available JUL domain loglevels:\n"); | |
163 | fprintf(ofp, " JUL_OFF = INT32_MAX\n"); | |
164 | fprintf(ofp, " JUL_SEVERE = %d\n", LTTNG_LOGLEVEL_JUL_SEVERE); | |
165 | fprintf(ofp, " JUL_WARNING = %d\n", LTTNG_LOGLEVEL_JUL_WARNING); | |
166 | fprintf(ofp, " JUL_INFO = %d\n", LTTNG_LOGLEVEL_JUL_INFO); | |
167 | fprintf(ofp, " JUL_CONFIG = %d\n", LTTNG_LOGLEVEL_JUL_CONFIG); | |
168 | fprintf(ofp, " JUL_FINE = %d\n", LTTNG_LOGLEVEL_JUL_FINE); | |
169 | fprintf(ofp, " JUL_FINER = %d\n", LTTNG_LOGLEVEL_JUL_FINER); | |
170 | fprintf(ofp, " JUL_FINEST = %d\n", LTTNG_LOGLEVEL_JUL_FINEST); | |
171 | fprintf(ofp, " JUL_ALL = INT32_MIN\n"); | |
172 | fprintf(ofp, " (shortcuts such as \"severe\" are allowed)\n"); | |
173 | fprintf(ofp, "\n"); | |
5cdb6027 DG |
174 | fprintf(ofp, " Available LOG4j domain loglevels:\n"); |
175 | fprintf(ofp, " LOG4J_OFF = INT32_MAX\n"); | |
176 | fprintf(ofp, " LOG4J_FATAL = %d\n", LTTNG_LOGLEVEL_LOG4J_FATAL); | |
177 | fprintf(ofp, " LOG4J_ERROR = %d\n", LTTNG_LOGLEVEL_LOG4J_ERROR); | |
178 | fprintf(ofp, " LOG4J_WARN = %d\n", LTTNG_LOGLEVEL_LOG4J_WARN); | |
179 | fprintf(ofp, " LOG4J_INFO = %d\n", LTTNG_LOGLEVEL_LOG4J_INFO); | |
180 | fprintf(ofp, " LOG4J_DEBUG = %d\n", LTTNG_LOGLEVEL_LOG4J_DEBUG); | |
181 | fprintf(ofp, " LOG4J_TRACE = %d\n", LTTNG_LOGLEVEL_LOG4J_TRACE); | |
182 | fprintf(ofp, " LOG4J_ALL = INT32_MIN\n"); | |
183 | fprintf(ofp, " (shortcuts such as \"severe\" are allowed)\n"); | |
184 | fprintf(ofp, "\n"); | |
0e115563 DG |
185 | fprintf(ofp, " Available Python domain loglevels:\n"); |
186 | fprintf(ofp, " PYTHON_CRITICAL = %d\n", LTTNG_LOGLEVEL_PYTHON_CRITICAL); | |
187 | fprintf(ofp, " PYTHON_ERROR = %d\n", LTTNG_LOGLEVEL_PYTHON_ERROR); | |
188 | fprintf(ofp, " PYTHON_WARNING = %d\n", LTTNG_LOGLEVEL_PYTHON_WARNING); | |
189 | fprintf(ofp, " PYTHON_INFO = %d\n", LTTNG_LOGLEVEL_PYTHON_INFO); | |
190 | fprintf(ofp, " PYTHON_DEBUG = %d\n", LTTNG_LOGLEVEL_PYTHON_DEBUG); | |
191 | fprintf(ofp, " PYTHON_NOTSET = %d\n", LTTNG_LOGLEVEL_PYTHON_NOTSET); | |
192 | fprintf(ofp, " (shortcuts such as \"critical\" are allowed)\n"); | |
193 | fprintf(ofp, "\n"); | |
f2611ab0 | 194 | fprintf(ofp, " -f, --filter \'expression\'\n"); |
ee8ccafa MD |
195 | fprintf(ofp, " Filter expression on event fields and context.\n"); |
196 | fprintf(ofp, " Event recording depends on evaluation.\n"); | |
919e300c MD |
197 | fprintf(ofp, " Only specify on first activation of\n"); |
198 | fprintf(ofp, " a given event within a session.\n"); | |
199 | fprintf(ofp, " Filter only allowed when enabling\n"); | |
200 | fprintf(ofp, " events within a session before tracing\n"); | |
9bd578f5 MD |
201 | fprintf(ofp, " is started. If the filter fails to link\n"); |
202 | fprintf(ofp, " with the event within the traced domain,\n"); | |
203 | fprintf(ofp, " the event will be discarded. Currently,\n"); | |
204 | fprintf(ofp, " filter is only implemented for the user-space\n"); | |
205 | fprintf(ofp, " tracer.\n"); | |
206 | fprintf(ofp, " Expression examples:.\n"); | |
207 | fprintf(ofp, " \n"); | |
208 | fprintf(ofp, " 'intfield > 500 && intfield < 503'\n"); | |
6a240cd9 | 209 | fprintf(ofp, " '(strfield == \"test\" || intfield != 10) && intfield > 33'\n"); |
9bd578f5 MD |
210 | fprintf(ofp, " 'doublefield > 1.1 && intfield < 5.3'\n"); |
211 | fprintf(ofp, " \n"); | |
212 | fprintf(ofp, " Wildcards are allowed at the end of strings:\n"); | |
213 | fprintf(ofp, " 'seqfield1 == \"te*\"'\n"); | |
214 | fprintf(ofp, " In string literals, the escape character is '\\'.\n"); | |
215 | fprintf(ofp, " Use '\\*' for the '*' character, and '\\\\' for\n"); | |
ee8ccafa MD |
216 | fprintf(ofp, " the '\\' character. Wildcard match any sequence of,\n"); |
217 | fprintf(ofp, " characters including an empty sub-string (match 0 or\n"); | |
218 | fprintf(ofp, " more characters).\n"); | |
219 | fprintf(ofp, "\n"); | |
220 | fprintf(ofp, " Context information can be used for filtering. The\n"); | |
221 | fprintf(ofp, " examples below show usage of context filtering on\n"); | |
222 | fprintf(ofp, " process name (with a wildcard), process ID range, and\n"); | |
223 | fprintf(ofp, " unique thread ID for filtering. The process and\n"); | |
224 | fprintf(ofp, " thread ID of running applications can be found under\n"); | |
225 | fprintf(ofp, " columns \"PID\" and \"LWP\" of the \"ps -eLf\" command.\n"); | |
226 | fprintf(ofp, "\n"); | |
227 | fprintf(ofp, " '$ctx.procname == \"demo*\"'\n"); | |
228 | fprintf(ofp, " '$ctx.vpid >= 4433 && $ctx.vpid < 4455'\n"); | |
229 | fprintf(ofp, " '$ctx.vtid == 1234'\n"); | |
c2063d0b JI |
230 | fprintf(ofp, " -x, --exclude LIST\n"); |
231 | fprintf(ofp, " Add exclusions to UST tracepoints:\n"); | |
232 | fprintf(ofp, " Events that match any of the items\n"); | |
233 | fprintf(ofp, " in the comma-separated LIST are not\n"); | |
234 | fprintf(ofp, " enabled, even if they match a wildcard\n"); | |
235 | fprintf(ofp, " definition of the event.\n"); | |
300b8fd5 | 236 | fprintf(ofp, "\n"); |
f3ed775e DG |
237 | } |
238 | ||
0d63dd19 | 239 | /* |
6181537c | 240 | * Parse probe options. |
0d63dd19 | 241 | */ |
cf0e5467 | 242 | static int parse_probe_opts(struct lttng_event *ev, char *opt) |
0d63dd19 | 243 | { |
49d4e302 JRJ |
244 | int ret = CMD_SUCCESS; |
245 | int match; | |
8ff0bbd0 | 246 | char s_hex[19]; |
8ab7c0d9 | 247 | #define S_HEX_LEN_SCANF_IS_A_BROKEN_API "18" /* 18 is (19 - 1) (\0 is extra) */ |
0d63dd19 DG |
248 | char name[LTTNG_SYMBOL_NAME_LEN]; |
249 | ||
250 | if (opt == NULL) { | |
49d4e302 | 251 | ret = CMD_ERROR; |
8f0d098b | 252 | goto end; |
0d63dd19 DG |
253 | } |
254 | ||
255 | /* Check for symbol+offset */ | |
49d4e302 | 256 | match = sscanf(opt, "%" LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API |
8ab7c0d9 | 257 | "[^'+']+%" S_HEX_LEN_SCANF_IS_A_BROKEN_API "s", name, s_hex); |
49d4e302 | 258 | if (match == 2) { |
7d29a247 | 259 | strncpy(ev->attr.probe.symbol_name, name, LTTNG_SYMBOL_NAME_LEN); |
99497cd0 | 260 | ev->attr.probe.symbol_name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; |
cf0e5467 | 261 | DBG("probe symbol %s", ev->attr.probe.symbol_name); |
9d035200 | 262 | if (*s_hex == '\0') { |
8ff0bbd0 | 263 | ERR("Invalid probe offset %s", s_hex); |
49d4e302 | 264 | ret = CMD_ERROR; |
8f0d098b | 265 | goto end; |
0d63dd19 | 266 | } |
8ff0bbd0 | 267 | ev->attr.probe.offset = strtoul(s_hex, NULL, 0); |
cf0e5467 | 268 | DBG("probe offset %" PRIu64, ev->attr.probe.offset); |
3000dc78 | 269 | ev->attr.probe.addr = 0; |
8f0d098b MD |
270 | goto end; |
271 | } | |
272 | ||
273 | /* Check for symbol */ | |
274 | if (isalpha(name[0])) { | |
49d4e302 | 275 | match = sscanf(opt, "%" LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "s", |
8ab7c0d9 | 276 | name); |
49d4e302 | 277 | if (match == 1) { |
8f0d098b | 278 | strncpy(ev->attr.probe.symbol_name, name, LTTNG_SYMBOL_NAME_LEN); |
99497cd0 | 279 | ev->attr.probe.symbol_name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; |
8f0d098b MD |
280 | DBG("probe symbol %s", ev->attr.probe.symbol_name); |
281 | ev->attr.probe.offset = 0; | |
282 | DBG("probe offset %" PRIu64, ev->attr.probe.offset); | |
283 | ev->attr.probe.addr = 0; | |
284 | goto end; | |
285 | } | |
0d63dd19 DG |
286 | } |
287 | ||
288 | /* Check for address */ | |
49d4e302 JRJ |
289 | match = sscanf(opt, "%" S_HEX_LEN_SCANF_IS_A_BROKEN_API "s", s_hex); |
290 | if (match > 0) { | |
9d035200 | 291 | if (*s_hex == '\0') { |
8ff0bbd0 | 292 | ERR("Invalid probe address %s", s_hex); |
49d4e302 | 293 | ret = CMD_ERROR; |
8f0d098b | 294 | goto end; |
0d63dd19 | 295 | } |
8ff0bbd0 | 296 | ev->attr.probe.addr = strtoul(s_hex, NULL, 0); |
cf0e5467 | 297 | DBG("probe addr %" PRIu64, ev->attr.probe.addr); |
3000dc78 DG |
298 | ev->attr.probe.offset = 0; |
299 | memset(ev->attr.probe.symbol_name, 0, LTTNG_SYMBOL_NAME_LEN); | |
8f0d098b | 300 | goto end; |
0d63dd19 DG |
301 | } |
302 | ||
303 | /* No match */ | |
49d4e302 | 304 | ret = CMD_ERROR; |
0d63dd19 | 305 | |
8f0d098b | 306 | end: |
0d63dd19 DG |
307 | return ret; |
308 | } | |
309 | ||
5cdb6027 DG |
310 | /* |
311 | * Maps LOG4j loglevel from string to value | |
312 | */ | |
313 | static int loglevel_log4j_str_to_value(const char *inputstr) | |
314 | { | |
315 | int i = 0; | |
316 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
317 | ||
3712b110 JG |
318 | if (!inputstr || strlen(inputstr) == 0) { |
319 | return -1; | |
320 | } | |
321 | ||
5cdb6027 DG |
322 | /* |
323 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
324 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
325 | */ | |
326 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
327 | str[i] = toupper(inputstr[i]); | |
328 | i++; | |
329 | } | |
330 | str[i] = '\0'; | |
331 | ||
332 | if (!strcmp(str, "LOG4J_OFF") || !strcmp(str, "OFF")) { | |
333 | return LTTNG_LOGLEVEL_LOG4J_OFF; | |
334 | } else if (!strcmp(str, "LOG4J_FATAL") || !strcmp(str, "FATAL")) { | |
335 | return LTTNG_LOGLEVEL_LOG4J_FATAL; | |
336 | } else if (!strcmp(str, "LOG4J_ERROR") || !strcmp(str, "ERROR")) { | |
337 | return LTTNG_LOGLEVEL_LOG4J_ERROR; | |
338 | } else if (!strcmp(str, "LOG4J_WARN") || !strcmp(str, "WARN")) { | |
339 | return LTTNG_LOGLEVEL_LOG4J_WARN; | |
340 | } else if (!strcmp(str, "LOG4J_INFO") || !strcmp(str, "INFO")) { | |
341 | return LTTNG_LOGLEVEL_LOG4J_INFO; | |
342 | } else if (!strcmp(str, "LOG4J_DEBUG") || !strcmp(str, "DEBUG")) { | |
343 | return LTTNG_LOGLEVEL_LOG4J_DEBUG; | |
344 | } else if (!strcmp(str, "LOG4J_TRACE") || !strcmp(str, "TRACE")) { | |
345 | return LTTNG_LOGLEVEL_LOG4J_TRACE; | |
346 | } else if (!strcmp(str, "LOG4J_ALL") || !strcmp(str, "ALL")) { | |
347 | return LTTNG_LOGLEVEL_LOG4J_ALL; | |
348 | } else { | |
349 | return -1; | |
350 | } | |
351 | } | |
352 | ||
b2064f54 DG |
353 | /* |
354 | * Maps JUL loglevel from string to value | |
355 | */ | |
356 | static int loglevel_jul_str_to_value(const char *inputstr) | |
357 | { | |
358 | int i = 0; | |
359 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
360 | ||
3712b110 JG |
361 | if (!inputstr || strlen(inputstr) == 0) { |
362 | return -1; | |
363 | } | |
364 | ||
b2064f54 DG |
365 | /* |
366 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
367 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
368 | */ | |
369 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
370 | str[i] = toupper(inputstr[i]); | |
371 | i++; | |
372 | } | |
373 | str[i] = '\0'; | |
374 | ||
375 | if (!strcmp(str, "JUL_OFF") || !strcmp(str, "OFF")) { | |
376 | return LTTNG_LOGLEVEL_JUL_OFF; | |
377 | } else if (!strcmp(str, "JUL_SEVERE") || !strcmp(str, "SEVERE")) { | |
378 | return LTTNG_LOGLEVEL_JUL_SEVERE; | |
379 | } else if (!strcmp(str, "JUL_WARNING") || !strcmp(str, "WARNING")) { | |
380 | return LTTNG_LOGLEVEL_JUL_WARNING; | |
381 | } else if (!strcmp(str, "JUL_INFO") || !strcmp(str, "INFO")) { | |
382 | return LTTNG_LOGLEVEL_JUL_INFO; | |
383 | } else if (!strcmp(str, "JUL_CONFIG") || !strcmp(str, "CONFIG")) { | |
384 | return LTTNG_LOGLEVEL_JUL_CONFIG; | |
385 | } else if (!strcmp(str, "JUL_FINE") || !strcmp(str, "FINE")) { | |
386 | return LTTNG_LOGLEVEL_JUL_FINE; | |
387 | } else if (!strcmp(str, "JUL_FINER") || !strcmp(str, "FINER")) { | |
388 | return LTTNG_LOGLEVEL_JUL_FINER; | |
389 | } else if (!strcmp(str, "JUL_FINEST") || !strcmp(str, "FINEST")) { | |
390 | return LTTNG_LOGLEVEL_JUL_FINEST; | |
391 | } else if (!strcmp(str, "JUL_ALL") || !strcmp(str, "ALL")) { | |
392 | return LTTNG_LOGLEVEL_JUL_ALL; | |
393 | } else { | |
394 | return -1; | |
395 | } | |
396 | } | |
397 | ||
0e115563 DG |
398 | /* |
399 | * Maps Python loglevel from string to value | |
400 | */ | |
401 | static int loglevel_python_str_to_value(const char *inputstr) | |
402 | { | |
403 | int i = 0; | |
404 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
405 | ||
3712b110 JG |
406 | if (!inputstr || strlen(inputstr) == 0) { |
407 | return -1; | |
408 | } | |
409 | ||
0e115563 DG |
410 | /* |
411 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
412 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
413 | */ | |
414 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
415 | str[i] = toupper(inputstr[i]); | |
416 | i++; | |
417 | } | |
418 | str[i] = '\0'; | |
419 | ||
420 | if (!strcmp(str, "PYTHON_CRITICAL") || !strcmp(str, "CRITICAL")) { | |
421 | return LTTNG_LOGLEVEL_PYTHON_CRITICAL; | |
422 | } else if (!strcmp(str, "PYTHON_ERROR") || !strcmp(str, "ERROR")) { | |
423 | return LTTNG_LOGLEVEL_PYTHON_ERROR; | |
424 | } else if (!strcmp(str, "PYTHON_WARNING") || !strcmp(str, "WARNING")) { | |
425 | return LTTNG_LOGLEVEL_PYTHON_WARNING; | |
426 | } else if (!strcmp(str, "PYTHON_INFO") || !strcmp(str, "INFO")) { | |
427 | return LTTNG_LOGLEVEL_PYTHON_INFO; | |
428 | } else if (!strcmp(str, "PYTNON_DEBUG") || !strcmp(str, "DEBUG")) { | |
429 | return LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
430 | } else if (!strcmp(str, "PYTHON_NOTSET") || !strcmp(str, "NOTSET")) { | |
431 | return LTTNG_LOGLEVEL_PYTHON_NOTSET; | |
432 | } else { | |
433 | return -1; | |
434 | } | |
435 | } | |
436 | ||
8005f29a | 437 | /* |
0c8477c8 | 438 | * Maps loglevel from string to value |
8005f29a MD |
439 | */ |
440 | static | |
46839cc2 | 441 | int loglevel_str_to_value(const char *inputstr) |
8005f29a | 442 | { |
46839cc2 MD |
443 | int i = 0; |
444 | char str[LTTNG_SYMBOL_NAME_LEN]; | |
445 | ||
3712b110 JG |
446 | if (!inputstr || strlen(inputstr) == 0) { |
447 | return -1; | |
448 | } | |
449 | ||
e051e07c DG |
450 | /* |
451 | * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is | |
452 | * added at the end of the loop so a the upper bound we avoid the overflow. | |
453 | */ | |
454 | while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') { | |
46839cc2 MD |
455 | str[i] = toupper(inputstr[i]); |
456 | i++; | |
457 | } | |
458 | str[i] = '\0'; | |
459 | if (!strcmp(str, "TRACE_EMERG") || !strcmp(str, "EMERG")) { | |
460 | return LTTNG_LOGLEVEL_EMERG; | |
461 | } else if (!strcmp(str, "TRACE_ALERT") || !strcmp(str, "ALERT")) { | |
462 | return LTTNG_LOGLEVEL_ALERT; | |
463 | } else if (!strcmp(str, "TRACE_CRIT") || !strcmp(str, "CRIT")) { | |
464 | return LTTNG_LOGLEVEL_CRIT; | |
465 | } else if (!strcmp(str, "TRACE_ERR") || !strcmp(str, "ERR")) { | |
466 | return LTTNG_LOGLEVEL_ERR; | |
467 | } else if (!strcmp(str, "TRACE_WARNING") || !strcmp(str, "WARNING")) { | |
468 | return LTTNG_LOGLEVEL_WARNING; | |
469 | } else if (!strcmp(str, "TRACE_NOTICE") || !strcmp(str, "NOTICE")) { | |
470 | return LTTNG_LOGLEVEL_NOTICE; | |
471 | } else if (!strcmp(str, "TRACE_INFO") || !strcmp(str, "INFO")) { | |
472 | return LTTNG_LOGLEVEL_INFO; | |
473 | } else if (!strcmp(str, "TRACE_DEBUG_SYSTEM") || !strcmp(str, "DEBUG_SYSTEM") || !strcmp(str, "SYSTEM")) { | |
474 | return LTTNG_LOGLEVEL_DEBUG_SYSTEM; | |
475 | } else if (!strcmp(str, "TRACE_DEBUG_PROGRAM") || !strcmp(str, "DEBUG_PROGRAM") || !strcmp(str, "PROGRAM")) { | |
476 | return LTTNG_LOGLEVEL_DEBUG_PROGRAM; | |
477 | } else if (!strcmp(str, "TRACE_DEBUG_PROCESS") || !strcmp(str, "DEBUG_PROCESS") || !strcmp(str, "PROCESS")) { | |
478 | return LTTNG_LOGLEVEL_DEBUG_PROCESS; | |
479 | } else if (!strcmp(str, "TRACE_DEBUG_MODULE") || !strcmp(str, "DEBUG_MODULE") || !strcmp(str, "MODULE")) { | |
480 | return LTTNG_LOGLEVEL_DEBUG_MODULE; | |
481 | } else if (!strcmp(str, "TRACE_DEBUG_UNIT") || !strcmp(str, "DEBUG_UNIT") || !strcmp(str, "UNIT")) { | |
482 | return LTTNG_LOGLEVEL_DEBUG_UNIT; | |
483 | } else if (!strcmp(str, "TRACE_DEBUG_FUNCTION") || !strcmp(str, "DEBUG_FUNCTION") || !strcmp(str, "FUNCTION")) { | |
484 | return LTTNG_LOGLEVEL_DEBUG_FUNCTION; | |
485 | } else if (!strcmp(str, "TRACE_DEBUG_LINE") || !strcmp(str, "DEBUG_LINE") || !strcmp(str, "LINE")) { | |
486 | return LTTNG_LOGLEVEL_DEBUG_LINE; | |
487 | } else if (!strcmp(str, "TRACE_DEBUG") || !strcmp(str, "DEBUG")) { | |
488 | return LTTNG_LOGLEVEL_DEBUG; | |
8005f29a MD |
489 | } else { |
490 | return -1; | |
491 | } | |
492 | } | |
493 | ||
85076754 MD |
494 | static |
495 | const char *print_channel_name(const char *name) | |
496 | { | |
497 | return name ? : DEFAULT_CHANNEL_NAME; | |
498 | } | |
499 | ||
500 | static | |
501 | const char *print_raw_channel_name(const char *name) | |
502 | { | |
503 | return name ? : "<default>"; | |
504 | } | |
505 | ||
89476427 JRJ |
506 | /* |
507 | * Mi print exlcusion list | |
508 | */ | |
509 | static | |
510 | int mi_print_exclusion(int count, char **names) | |
511 | { | |
512 | int i, ret; | |
513 | ||
514 | assert(writer); | |
515 | ||
516 | if (count == 0) { | |
517 | ret = 0; | |
518 | goto end; | |
519 | } | |
520 | ret = mi_lttng_writer_open_element(writer, config_element_exclusions); | |
521 | if (ret) { | |
522 | goto end; | |
523 | } | |
524 | ||
525 | for (i = 0; i < count; i++) { | |
526 | ret = mi_lttng_writer_write_element_string(writer, | |
527 | config_element_exclusion, names[i]); | |
528 | if (ret) { | |
529 | goto end; | |
530 | } | |
531 | } | |
532 | ||
533 | /* Close exclusions element */ | |
534 | ret = mi_lttng_writer_close_element(writer); | |
535 | ||
536 | end: | |
537 | return ret; | |
538 | } | |
539 | ||
9c48cab3 JI |
540 | /* |
541 | * Return allocated string for pretty-printing exclusion names. | |
542 | */ | |
543 | static | |
544 | char *print_exclusions(int count, char **names) | |
545 | { | |
546 | int length = 0; | |
547 | int i; | |
548 | const char *preamble = " excluding "; | |
549 | char *ret; | |
550 | ||
551 | if (count == 0) { | |
552 | return strdup(""); | |
553 | } | |
554 | ||
555 | /* calculate total required length */ | |
556 | for (i = 0; i < count; i++) { | |
557 | length += strlen(names[i]) + 1; | |
558 | } | |
559 | ||
560 | /* add length of preamble + one for NUL - one for last (missing) comma */ | |
561 | length += strlen(preamble); | |
fd591b18 MD |
562 | ret = zmalloc(length); |
563 | if (!ret) { | |
564 | return NULL; | |
565 | } | |
9c48cab3 JI |
566 | strncpy(ret, preamble, length); |
567 | for (i = 0; i < count; i++) { | |
568 | strcat(ret, names[i]); | |
569 | if (i != count - 1) { | |
570 | strcat(ret, ","); | |
571 | } | |
572 | } | |
89476427 | 573 | |
9c48cab3 JI |
574 | return ret; |
575 | } | |
576 | ||
748bde76 JI |
577 | /* |
578 | * Compare list of exclusions against an event name. | |
579 | * Return a list of legal exclusion names. | |
580 | * Produce an error or a warning about others (depending on the situation) | |
581 | */ | |
582 | static | |
583 | int check_exclusion_subsets(const char *event_name, | |
584 | const char *exclusions, | |
585 | int *exclusion_count_ptr, | |
586 | char ***exclusion_list_ptr) | |
587 | { | |
588 | const char *excluder_ptr; | |
589 | const char *event_ptr; | |
590 | const char *next_excluder; | |
591 | int excluder_length; | |
592 | int exclusion_count = 0; | |
593 | char **exclusion_list = NULL; | |
594 | int ret = CMD_SUCCESS; | |
595 | ||
596 | if (event_name[strlen(event_name) - 1] != '*') { | |
597 | ERR("Event %s: Excluders can only be used with wildcarded events", event_name); | |
598 | goto error; | |
599 | } | |
600 | ||
601 | next_excluder = exclusions; | |
602 | while (*next_excluder != 0) { | |
603 | event_ptr = event_name; | |
604 | excluder_ptr = next_excluder; | |
605 | excluder_length = strcspn(next_excluder, ","); | |
606 | ||
607 | /* Scan both the excluder and the event letter by letter */ | |
608 | while (1) { | |
609 | char e, x; | |
610 | ||
611 | e = *event_ptr; | |
612 | x = *excluder_ptr; | |
613 | ||
614 | if (x == '*') { | |
615 | /* Event is a subset of the excluder */ | |
616 | ERR("Event %s: %.*s excludes all events from %s", | |
617 | event_name, | |
618 | excluder_length, | |
619 | next_excluder, | |
620 | event_name); | |
621 | goto error; | |
622 | } | |
623 | if (e == '*') { | |
5ef79758 MD |
624 | char *string; |
625 | char **new_exclusion_list; | |
626 | ||
748bde76 | 627 | /* Excluder is a proper subset of event */ |
f5436bfc | 628 | string = lttng_strndup(next_excluder, excluder_length); |
5ef79758 | 629 | if (!string) { |
f5436bfc | 630 | PERROR("lttng_strndup error"); |
5ef79758 MD |
631 | goto error; |
632 | } | |
633 | new_exclusion_list = realloc(exclusion_list, | |
1940b29e | 634 | sizeof(char *) * (exclusion_count + 1)); |
5ef79758 MD |
635 | if (!new_exclusion_list) { |
636 | PERROR("realloc"); | |
637 | free(string); | |
638 | goto error; | |
639 | } | |
640 | exclusion_list = new_exclusion_list; | |
748bde76 | 641 | exclusion_count++; |
5ef79758 | 642 | exclusion_list[exclusion_count - 1] = string; |
748bde76 JI |
643 | break; |
644 | } | |
645 | if (x != e) { | |
646 | /* Excluder and event sets have no common elements */ | |
647 | WARN("Event %s: %.*s does not exclude any events from %s", | |
648 | event_name, | |
649 | excluder_length, | |
650 | next_excluder, | |
651 | event_name); | |
652 | break; | |
653 | } | |
654 | excluder_ptr++; | |
655 | event_ptr++; | |
656 | } | |
657 | /* next excluder */ | |
658 | next_excluder += excluder_length; | |
659 | if (*next_excluder == ',') { | |
660 | next_excluder++; | |
661 | } | |
662 | } | |
663 | goto end; | |
664 | error: | |
665 | while (exclusion_count--) { | |
666 | free(exclusion_list[exclusion_count]); | |
667 | } | |
668 | if (exclusion_list != NULL) { | |
669 | free(exclusion_list); | |
670 | } | |
671 | exclusion_list = NULL; | |
672 | exclusion_count = 0; | |
673 | ret = CMD_ERROR; | |
674 | end: | |
675 | *exclusion_count_ptr = exclusion_count; | |
676 | *exclusion_list_ptr = exclusion_list; | |
677 | return ret; | |
678 | } | |
502bbe89 PP |
679 | |
680 | static void warn_on_truncated_exclusion_names(char **exclusion_list, | |
681 | int exclusion_count, int *warn) | |
682 | { | |
683 | size_t i = 0; | |
684 | ||
685 | for (i = 0; i < exclusion_count; ++i) { | |
686 | const char *name = exclusion_list[i]; | |
687 | size_t len = strlen(name); | |
688 | ||
689 | if (len >= LTTNG_SYMBOL_NAME_LEN) { | |
690 | WARN("Event exclusion \"%s\" will be truncated", | |
691 | name); | |
692 | *warn = 1; | |
693 | } | |
694 | } | |
695 | } | |
696 | ||
f3ed775e | 697 | /* |
6181537c | 698 | * Enabling event using the lttng API. |
89476427 | 699 | * Note: in case of error only the last error code will be return. |
f3ed775e | 700 | */ |
cd80958d | 701 | static int enable_events(char *session_name) |
f3ed775e | 702 | { |
89476427 JRJ |
703 | int ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
704 | int error_holder = CMD_SUCCESS, warn = 0, error = 0, success = 1; | |
b73d0b29 | 705 | char *event_name, *channel_name = NULL; |
f3ed775e | 706 | struct lttng_event ev; |
7d29a247 | 707 | struct lttng_domain dom; |
7ed70bc9 JI |
708 | int exclusion_count = 0; |
709 | char **exclusion_list = NULL; | |
f3ed775e | 710 | |
441c16a7 MD |
711 | memset(&ev, 0, sizeof(ev)); |
712 | memset(&dom, 0, sizeof(dom)); | |
713 | ||
53a80697 | 714 | if (opt_kernel) { |
67b58630 JG |
715 | if (opt_loglevel) { |
716 | WARN("Kernel loglevels are not supported."); | |
717 | } | |
53a80697 MD |
718 | } |
719 | ||
7d29a247 DG |
720 | /* Create lttng domain */ |
721 | if (opt_kernel) { | |
722 | dom.type = LTTNG_DOMAIN_KERNEL; | |
7972aab2 | 723 | dom.buf_type = LTTNG_BUFFER_GLOBAL; |
d78d6610 | 724 | } else if (opt_userspace) { |
2bdd86d4 | 725 | dom.type = LTTNG_DOMAIN_UST; |
7972aab2 | 726 | /* Default. */ |
8692d4e5 | 727 | dom.buf_type = LTTNG_BUFFER_PER_UID; |
b9dfb167 DG |
728 | } else if (opt_jul) { |
729 | dom.type = LTTNG_DOMAIN_JUL; | |
730 | /* Default. */ | |
731 | dom.buf_type = LTTNG_BUFFER_PER_UID; | |
5cdb6027 DG |
732 | } else if (opt_log4j) { |
733 | dom.type = LTTNG_DOMAIN_LOG4J; | |
734 | /* Default. */ | |
735 | dom.buf_type = LTTNG_BUFFER_PER_UID; | |
0e115563 DG |
736 | } else if (opt_python) { |
737 | dom.type = LTTNG_DOMAIN_PYTHON; | |
738 | /* Default. */ | |
739 | dom.buf_type = LTTNG_BUFFER_PER_UID; | |
6181537c | 740 | } else { |
3ecec76a PP |
741 | /* Checked by the caller. */ |
742 | assert(0); | |
2bdd86d4 | 743 | } |
7d29a247 | 744 | |
8b08c525 AB |
745 | if (opt_exclude) { |
746 | switch (dom.type) { | |
747 | case LTTNG_DOMAIN_KERNEL: | |
748 | case LTTNG_DOMAIN_JUL: | |
749 | case LTTNG_DOMAIN_LOG4J: | |
750 | case LTTNG_DOMAIN_PYTHON: | |
751 | ERR("Event name exclusions are not yet implemented for %s events", | |
752 | get_domain_str(dom.type)); | |
753 | ret = CMD_ERROR; | |
754 | goto error; | |
755 | case LTTNG_DOMAIN_UST: | |
756 | /* Exclusions supported */ | |
757 | break; | |
758 | default: | |
759 | assert(0); | |
760 | } | |
d5dd17fd JI |
761 | } |
762 | ||
85076754 | 763 | channel_name = opt_channel_name; |
ae856491 | 764 | |
cd80958d DG |
765 | handle = lttng_create_handle(session_name, &dom); |
766 | if (handle == NULL) { | |
767 | ret = -1; | |
768 | goto error; | |
769 | } | |
1aef21b6 | 770 | |
89476427 JRJ |
771 | /* Prepare Mi */ |
772 | if (lttng_opt_mi) { | |
773 | /* Open a events element */ | |
774 | ret = mi_lttng_writer_open_element(writer, config_element_events); | |
775 | if (ret) { | |
776 | ret = CMD_ERROR; | |
777 | goto error; | |
778 | } | |
779 | } | |
780 | ||
cd80958d | 781 | if (opt_enable_all) { |
8c9ae521 | 782 | /* Default setup for enable all */ |
75e8c5ab MD |
783 | if (opt_kernel) { |
784 | ev.type = opt_event_type; | |
29c62722 | 785 | strcpy(ev.name, "*"); |
300b8fd5 MD |
786 | /* kernel loglevels not implemented */ |
787 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; | |
75e8c5ab MD |
788 | } else { |
789 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
790 | strcpy(ev.name, "*"); | |
300b8fd5 MD |
791 | ev.loglevel_type = opt_loglevel_type; |
792 | if (opt_loglevel) { | |
0e115563 | 793 | assert(opt_userspace || opt_jul || opt_log4j || opt_python); |
b2064f54 DG |
794 | if (opt_userspace) { |
795 | ev.loglevel = loglevel_str_to_value(opt_loglevel); | |
796 | } else if (opt_jul) { | |
797 | ev.loglevel = loglevel_jul_str_to_value(opt_loglevel); | |
5cdb6027 DG |
798 | } else if (opt_log4j) { |
799 | ev.loglevel = loglevel_log4j_str_to_value(opt_loglevel); | |
0e115563 DG |
800 | } else if (opt_python) { |
801 | ev.loglevel = loglevel_python_str_to_value(opt_loglevel); | |
b2064f54 | 802 | } |
300b8fd5 MD |
803 | if (ev.loglevel == -1) { |
804 | ERR("Unknown loglevel %s", opt_loglevel); | |
2f70b271 | 805 | ret = -LTTNG_ERR_INVALID; |
300b8fd5 MD |
806 | goto error; |
807 | } | |
22e25b71 | 808 | } else { |
0e115563 | 809 | assert(opt_userspace || opt_jul || opt_log4j || opt_python); |
b2064f54 DG |
810 | if (opt_userspace) { |
811 | ev.loglevel = -1; | |
34aa3685 | 812 | } else if (opt_jul) { |
b2064f54 | 813 | ev.loglevel = LTTNG_LOGLEVEL_JUL_ALL; |
34aa3685 JG |
814 | } else if (opt_log4j) { |
815 | ev.loglevel = LTTNG_LOGLEVEL_LOG4J_ALL; | |
0e115563 DG |
816 | } else if (opt_python) { |
817 | ev.loglevel = LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
b2064f54 | 818 | } |
300b8fd5 | 819 | } |
75e8c5ab | 820 | } |
8c9ae521 | 821 | |
7ed70bc9 JI |
822 | if (opt_exclude) { |
823 | ret = check_exclusion_subsets("*", opt_exclude, | |
824 | &exclusion_count, &exclusion_list); | |
825 | if (ret == CMD_ERROR) { | |
826 | goto error; | |
827 | } | |
89476427 | 828 | ev.exclusion = 1; |
502bbe89 PP |
829 | |
830 | warn_on_truncated_exclusion_names(exclusion_list, | |
831 | exclusion_count, &warn); | |
7ed70bc9 | 832 | } |
025faf73 | 833 | if (!opt_filter) { |
7ed70bc9 JI |
834 | ret = lttng_enable_event_with_exclusions(handle, |
835 | &ev, channel_name, | |
836 | NULL, | |
837 | exclusion_count, exclusion_list); | |
025faf73 DG |
838 | if (ret < 0) { |
839 | switch (-ret) { | |
840 | case LTTNG_ERR_KERN_EVENT_EXIST: | |
841 | WARN("Kernel events already enabled (channel %s, session %s)", | |
85076754 | 842 | print_channel_name(channel_name), session_name); |
89476427 | 843 | warn = 1; |
025faf73 | 844 | break; |
45d5d421 CB |
845 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
846 | { | |
847 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
848 | ERR("Events: %s (channel %s, session %s)", | |
849 | msg, | |
850 | print_channel_name(channel_name), | |
851 | session_name); | |
852 | error = 1; | |
853 | break; | |
854 | } | |
025faf73 DG |
855 | default: |
856 | ERR("Events: %s (channel %s, session %s)", | |
85076754 MD |
857 | lttng_strerror(ret), |
858 | ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
859 | ? print_raw_channel_name(channel_name) | |
860 | : print_channel_name(channel_name), | |
861 | session_name); | |
89476427 | 862 | error = 1; |
025faf73 DG |
863 | break; |
864 | } | |
865 | goto end; | |
42224349 | 866 | } |
8c9ae521 | 867 | |
025faf73 DG |
868 | switch (opt_event_type) { |
869 | case LTTNG_EVENT_TRACEPOINT: | |
67b58630 | 870 | if (opt_loglevel && dom.type != LTTNG_DOMAIN_KERNEL) { |
9c48cab3 | 871 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
872 | |
873 | if (!exclusion_string) { | |
874 | PERROR("Cannot allocate exclusion_string"); | |
875 | error = 1; | |
876 | goto end; | |
877 | } | |
9c48cab3 | 878 | MSG("All %s tracepoints%s are enabled in channel %s for loglevel %s", |
b9dfb167 | 879 | get_domain_str(dom.type), |
9c48cab3 | 880 | exclusion_string, |
85076754 | 881 | print_channel_name(channel_name), |
025faf73 | 882 | opt_loglevel); |
9c48cab3 | 883 | free(exclusion_string); |
025faf73 | 884 | } else { |
9c48cab3 | 885 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
886 | |
887 | if (!exclusion_string) { | |
888 | PERROR("Cannot allocate exclusion_string"); | |
889 | error = 1; | |
890 | goto end; | |
891 | } | |
9c48cab3 | 892 | MSG("All %s tracepoints%s are enabled in channel %s", |
b9dfb167 | 893 | get_domain_str(dom.type), |
9c48cab3 | 894 | exclusion_string, |
85076754 | 895 | print_channel_name(channel_name)); |
9c48cab3 | 896 | free(exclusion_string); |
025faf73 DG |
897 | } |
898 | break; | |
899 | case LTTNG_EVENT_SYSCALL: | |
900 | if (opt_kernel) { | |
6e911cad MD |
901 | MSG("All %s system calls are enabled in channel %s", |
902 | get_domain_str(dom.type), | |
85076754 | 903 | print_channel_name(channel_name)); |
025faf73 DG |
904 | } |
905 | break; | |
906 | case LTTNG_EVENT_ALL: | |
67b58630 | 907 | if (opt_loglevel && dom.type != LTTNG_DOMAIN_KERNEL) { |
9c48cab3 | 908 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
909 | |
910 | if (!exclusion_string) { | |
911 | PERROR("Cannot allocate exclusion_string"); | |
912 | error = 1; | |
913 | goto end; | |
914 | } | |
9c48cab3 | 915 | MSG("All %s events%s are enabled in channel %s for loglevel %s", |
b9dfb167 | 916 | get_domain_str(dom.type), |
9c48cab3 | 917 | exclusion_string, |
85076754 | 918 | print_channel_name(channel_name), |
025faf73 | 919 | opt_loglevel); |
9c48cab3 | 920 | free(exclusion_string); |
025faf73 | 921 | } else { |
9c48cab3 | 922 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
923 | |
924 | if (!exclusion_string) { | |
925 | PERROR("Cannot allocate exclusion_string"); | |
926 | error = 1; | |
927 | goto end; | |
928 | } | |
9c48cab3 | 929 | MSG("All %s events%s are enabled in channel %s", |
b9dfb167 | 930 | get_domain_str(dom.type), |
9c48cab3 | 931 | exclusion_string, |
85076754 | 932 | print_channel_name(channel_name)); |
9c48cab3 | 933 | free(exclusion_string); |
025faf73 DG |
934 | } |
935 | break; | |
936 | default: | |
937 | /* | |
938 | * We should not be here since lttng_enable_event should have | |
939 | * failed on the event type. | |
940 | */ | |
941 | goto error; | |
57064ada | 942 | } |
f3ed775e | 943 | } |
89476427 | 944 | |
025faf73 | 945 | if (opt_filter) { |
89476427 | 946 | command_ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name, |
7ed70bc9 | 947 | opt_filter, exclusion_count, exclusion_list); |
89476427 JRJ |
948 | if (command_ret < 0) { |
949 | switch (-command_ret) { | |
16363652 | 950 | case LTTNG_ERR_FILTER_EXIST: |
85076754 | 951 | WARN("Filter on all events is already enabled" |
16363652 | 952 | " (channel %s, session %s)", |
85076754 | 953 | print_channel_name(channel_name), session_name); |
89476427 | 954 | warn = 1; |
16363652 | 955 | break; |
45d5d421 CB |
956 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
957 | { | |
958 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
959 | ERR("All events: %s (channel %s, session %s, filter \'%s\')", | |
960 | msg, | |
961 | print_channel_name(channel_name), | |
962 | session_name, opt_filter); | |
963 | error = 1; | |
964 | break; | |
965 | } | |
16363652 | 966 | default: |
85076754 | 967 | ERR("All events: %s (channel %s, session %s, filter \'%s\')", |
da3d7d0e JRJ |
968 | lttng_strerror(command_ret), |
969 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
970 | ? print_raw_channel_name(channel_name) |
971 | : print_channel_name(channel_name), | |
972 | session_name, opt_filter); | |
89476427 | 973 | error = 1; |
16363652 DG |
974 | break; |
975 | } | |
89476427 | 976 | error_holder = command_ret; |
16363652 | 977 | } else { |
89476427 | 978 | ev.filter = 1; |
16363652 DG |
979 | MSG("Filter '%s' successfully set", opt_filter); |
980 | } | |
981 | } | |
89476427 JRJ |
982 | |
983 | if (lttng_opt_mi) { | |
984 | /* The wildcard * is used for kernel and ust domain to | |
985 | * represent ALL. We copy * in event name to force the wildcard use | |
986 | * for kernel domain | |
987 | * | |
988 | * Note: this is strictly for semantic and printing while in | |
989 | * machine interface mode. | |
990 | */ | |
991 | strcpy(ev.name, "*"); | |
992 | ||
993 | /* If we reach here the events are enabled */ | |
994 | if (!error && !warn) { | |
995 | ev.enabled = 1; | |
996 | } else { | |
997 | ev.enabled = 0; | |
998 | success = 0; | |
999 | } | |
970d848b | 1000 | ret = mi_lttng_event(writer, &ev, 1, handle->domain.type); |
89476427 JRJ |
1001 | if (ret) { |
1002 | ret = CMD_ERROR; | |
1003 | goto error; | |
1004 | } | |
1005 | ||
1006 | /* print exclusion */ | |
1007 | ret = mi_print_exclusion(exclusion_count, exclusion_list); | |
1008 | if (ret) { | |
1009 | ret = CMD_ERROR; | |
1010 | goto error; | |
1011 | } | |
1012 | ||
1013 | /* Success ? */ | |
1014 | ret = mi_lttng_writer_write_element_bool(writer, | |
1015 | mi_lttng_element_command_success, success); | |
1016 | if (ret) { | |
1017 | ret = CMD_ERROR; | |
1018 | goto error; | |
1019 | } | |
1020 | ||
1021 | /* Close event element */ | |
1022 | ret = mi_lttng_writer_close_element(writer); | |
1023 | if (ret) { | |
1024 | ret = CMD_ERROR; | |
1025 | goto error; | |
1026 | } | |
1027 | } | |
1028 | ||
8c9ae521 | 1029 | goto end; |
f3ed775e DG |
1030 | } |
1031 | ||
1032 | /* Strip event list */ | |
1033 | event_name = strtok(opt_event_list, ","); | |
1034 | while (event_name != NULL) { | |
6181537c DG |
1035 | /* Copy name and type of the event */ |
1036 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1037 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
1038 | ev.type = opt_event_type; | |
1039 | ||
f3ed775e DG |
1040 | /* Kernel tracer action */ |
1041 | if (opt_kernel) { | |
1042 | DBG("Enabling kernel event %s for channel %s", | |
85076754 MD |
1043 | event_name, |
1044 | print_channel_name(channel_name)); | |
f3ed775e DG |
1045 | |
1046 | switch (opt_event_type) { | |
29c62722 MD |
1047 | case LTTNG_EVENT_ALL: /* Enable tracepoints and syscalls */ |
1048 | /* If event name differs from *, select tracepoint. */ | |
1049 | if (strcmp(ev.name, "*")) { | |
1050 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1051 | } | |
1052 | break; | |
e6ddca71 | 1053 | case LTTNG_EVENT_TRACEPOINT: |
f3ed775e | 1054 | break; |
7d29a247 | 1055 | case LTTNG_EVENT_PROBE: |
cf0e5467 | 1056 | ret = parse_probe_opts(&ev, opt_probe); |
49d4e302 | 1057 | if (ret) { |
cf0e5467 | 1058 | ERR("Unable to parse probe options"); |
0d63dd19 DG |
1059 | ret = 0; |
1060 | goto error; | |
1061 | } | |
f3ed775e DG |
1062 | break; |
1063 | case LTTNG_EVENT_FUNCTION: | |
8f0d098b | 1064 | ret = parse_probe_opts(&ev, opt_function); |
49d4e302 | 1065 | if (ret) { |
8f0d098b MD |
1066 | ERR("Unable to parse function probe options"); |
1067 | ret = 0; | |
1068 | goto error; | |
1069 | } | |
1070 | break; | |
a54bd42d | 1071 | case LTTNG_EVENT_SYSCALL: |
c6aa2d41 MD |
1072 | ev.type = LTTNG_EVENT_SYSCALL; |
1073 | break; | |
f3ed775e | 1074 | default: |
1ab1ea0b | 1075 | ret = CMD_UNDEFINED; |
f3ed775e DG |
1076 | goto error; |
1077 | } | |
0cda4f28 | 1078 | |
0cda4f28 | 1079 | /* kernel loglevels not implemented */ |
8005f29a | 1080 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
f3ed775e | 1081 | } else if (opt_userspace) { /* User-space tracer action */ |
300b8fd5 | 1082 | DBG("Enabling UST event %s for channel %s, loglevel %s", event_name, |
85076754 | 1083 | print_channel_name(channel_name), opt_loglevel ? : "<all>"); |
2bdd86d4 MD |
1084 | |
1085 | switch (opt_event_type) { | |
1086 | case LTTNG_EVENT_ALL: /* Default behavior is tracepoint */ | |
2bdd86d4 MD |
1087 | /* Fall-through */ |
1088 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e MD |
1089 | /* Copy name and type of the event */ |
1090 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1091 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1092 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
2bdd86d4 MD |
1093 | break; |
1094 | case LTTNG_EVENT_PROBE: | |
1095 | case LTTNG_EVENT_FUNCTION: | |
2bdd86d4 MD |
1096 | case LTTNG_EVENT_SYSCALL: |
1097 | default: | |
cc62c0c0 | 1098 | ERR("Event type not available for user-space tracing"); |
4ce78777 | 1099 | ret = CMD_UNSUPPORTED; |
2bdd86d4 MD |
1100 | goto error; |
1101 | } | |
0cda4f28 | 1102 | |
7ed70bc9 | 1103 | if (opt_exclude) { |
89476427 | 1104 | ev.exclusion = 1; |
d5dd17fd JI |
1105 | if (opt_event_type != LTTNG_EVENT_ALL && opt_event_type != LTTNG_EVENT_TRACEPOINT) { |
1106 | ERR("Exclusion option can only be used with tracepoint events"); | |
1107 | ret = CMD_ERROR; | |
1108 | goto error; | |
1109 | } | |
7ed70bc9 JI |
1110 | /* Free previously allocated items */ |
1111 | if (exclusion_list != NULL) { | |
1112 | while (exclusion_count--) { | |
1113 | free(exclusion_list[exclusion_count]); | |
1114 | } | |
1115 | free(exclusion_list); | |
1116 | exclusion_list = NULL; | |
1117 | } | |
1118 | /* Check for proper subsets */ | |
1119 | ret = check_exclusion_subsets(event_name, opt_exclude, | |
1120 | &exclusion_count, &exclusion_list); | |
1121 | if (ret == CMD_ERROR) { | |
1122 | goto error; | |
1123 | } | |
502bbe89 PP |
1124 | |
1125 | warn_on_truncated_exclusion_names( | |
1126 | exclusion_list, exclusion_count, &warn); | |
7ed70bc9 JI |
1127 | } |
1128 | ||
0cda4f28 | 1129 | ev.loglevel_type = opt_loglevel_type; |
ed7f4083 | 1130 | if (opt_loglevel) { |
8005f29a MD |
1131 | ev.loglevel = loglevel_str_to_value(opt_loglevel); |
1132 | if (ev.loglevel == -1) { | |
1133 | ERR("Unknown loglevel %s", opt_loglevel); | |
2f70b271 | 1134 | ret = -LTTNG_ERR_INVALID; |
8005f29a MD |
1135 | goto error; |
1136 | } | |
22e25b71 MD |
1137 | } else { |
1138 | ev.loglevel = -1; | |
ed7f4083 | 1139 | } |
0e115563 | 1140 | } else if (opt_jul || opt_log4j || opt_python) { |
b9dfb167 DG |
1141 | if (opt_event_type != LTTNG_EVENT_ALL && |
1142 | opt_event_type != LTTNG_EVENT_TRACEPOINT) { | |
5cdb6027 | 1143 | ERR("Event type not supported for domain."); |
b9dfb167 DG |
1144 | ret = CMD_UNSUPPORTED; |
1145 | goto error; | |
1146 | } | |
b2064f54 DG |
1147 | |
1148 | ev.loglevel_type = opt_loglevel_type; | |
1149 | if (opt_loglevel) { | |
5cdb6027 DG |
1150 | if (opt_jul) { |
1151 | ev.loglevel = loglevel_jul_str_to_value(opt_loglevel); | |
1152 | } else if (opt_log4j) { | |
1153 | ev.loglevel = loglevel_log4j_str_to_value(opt_loglevel); | |
0e115563 DG |
1154 | } else if (opt_python) { |
1155 | ev.loglevel = loglevel_python_str_to_value(opt_loglevel); | |
5cdb6027 | 1156 | } |
b2064f54 DG |
1157 | if (ev.loglevel == -1) { |
1158 | ERR("Unknown loglevel %s", opt_loglevel); | |
1159 | ret = -LTTNG_ERR_INVALID; | |
1160 | goto error; | |
1161 | } | |
1162 | } else { | |
5cdb6027 DG |
1163 | if (opt_jul) { |
1164 | ev.loglevel = LTTNG_LOGLEVEL_JUL_ALL; | |
1165 | } else if (opt_log4j) { | |
1166 | ev.loglevel = LTTNG_LOGLEVEL_LOG4J_ALL; | |
0e115563 DG |
1167 | } else if (opt_python) { |
1168 | ev.loglevel = LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
5cdb6027 | 1169 | } |
b2064f54 | 1170 | } |
b9dfb167 DG |
1171 | ev.type = LTTNG_EVENT_TRACEPOINT; |
1172 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1173 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
f3ed775e | 1174 | } else { |
3ecec76a | 1175 | assert(0); |
f3ed775e DG |
1176 | } |
1177 | ||
025faf73 | 1178 | if (!opt_filter) { |
9c48cab3 JI |
1179 | char *exclusion_string; |
1180 | ||
89476427 | 1181 | command_ret = lttng_enable_event_with_exclusions(handle, |
7ed70bc9 JI |
1182 | &ev, channel_name, |
1183 | NULL, exclusion_count, exclusion_list); | |
9c48cab3 | 1184 | exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
1185 | if (!exclusion_string) { |
1186 | PERROR("Cannot allocate exclusion_string"); | |
1187 | error = 1; | |
1188 | goto end; | |
1189 | } | |
89476427 | 1190 | if (command_ret < 0) { |
025faf73 | 1191 | /* Turn ret to positive value to handle the positive error code */ |
89476427 | 1192 | switch (-command_ret) { |
025faf73 | 1193 | case LTTNG_ERR_KERN_EVENT_EXIST: |
9c48cab3 | 1194 | WARN("Kernel event %s%s already enabled (channel %s, session %s)", |
85076754 | 1195 | event_name, |
9c48cab3 | 1196 | exclusion_string, |
85076754 | 1197 | print_channel_name(channel_name), session_name); |
89476427 | 1198 | warn = 1; |
025faf73 | 1199 | break; |
45d5d421 CB |
1200 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
1201 | { | |
1202 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
1203 | ERR("Event %s%s: %s (channel %s, session %s)", event_name, | |
1204 | exclusion_string, | |
1205 | msg, | |
1206 | print_channel_name(channel_name), | |
1207 | session_name); | |
1208 | error = 1; | |
1209 | break; | |
1210 | } | |
025faf73 | 1211 | default: |
9c48cab3 JI |
1212 | ERR("Event %s%s: %s (channel %s, session %s)", event_name, |
1213 | exclusion_string, | |
da3d7d0e JRJ |
1214 | lttng_strerror(command_ret), |
1215 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
1216 | ? print_raw_channel_name(channel_name) |
1217 | : print_channel_name(channel_name), | |
1218 | session_name); | |
89476427 | 1219 | error = 1; |
025faf73 DG |
1220 | break; |
1221 | } | |
89476427 | 1222 | error_holder = command_ret; |
025faf73 | 1223 | } else { |
8274eeba AB |
1224 | switch (dom.type) { |
1225 | case LTTNG_DOMAIN_KERNEL: | |
1226 | case LTTNG_DOMAIN_UST: | |
49ceaa70 | 1227 | MSG("%s event %s%s created in channel %s", |
8274eeba AB |
1228 | get_domain_str(dom.type), |
1229 | event_name, | |
1230 | exclusion_string, | |
1231 | print_channel_name(channel_name)); | |
1232 | break; | |
1233 | case LTTNG_DOMAIN_JUL: | |
1234 | case LTTNG_DOMAIN_LOG4J: | |
1235 | case LTTNG_DOMAIN_PYTHON: | |
1236 | /* | |
1237 | * Don't print the default channel | |
1238 | * name for agent domains. | |
1239 | */ | |
895707da | 1240 | MSG("%s event %s%s enabled", |
8274eeba AB |
1241 | get_domain_str(dom.type), |
1242 | event_name, | |
1243 | exclusion_string); | |
1244 | break; | |
1245 | default: | |
1246 | assert(0); | |
49ceaa70 | 1247 | } |
42224349 | 1248 | } |
9c48cab3 | 1249 | free(exclusion_string); |
6181537c | 1250 | } |
025faf73 DG |
1251 | |
1252 | if (opt_filter) { | |
9c48cab3 JI |
1253 | char *exclusion_string; |
1254 | ||
89476427 JRJ |
1255 | /* Filter present */ |
1256 | ev.filter = 1; | |
1257 | ||
1258 | command_ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name, | |
7ed70bc9 | 1259 | opt_filter, exclusion_count, exclusion_list); |
9c48cab3 | 1260 | exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
1261 | if (!exclusion_string) { |
1262 | PERROR("Cannot allocate exclusion_string"); | |
1263 | error = 1; | |
1264 | goto end; | |
1265 | } | |
89476427 JRJ |
1266 | if (command_ret < 0) { |
1267 | switch (-command_ret) { | |
7671f53c | 1268 | case LTTNG_ERR_FILTER_EXIST: |
9c48cab3 | 1269 | WARN("Filter on event %s%s is already enabled" |
7671f53c | 1270 | " (channel %s, session %s)", |
85076754 | 1271 | event_name, |
9c48cab3 | 1272 | exclusion_string, |
85076754 | 1273 | print_channel_name(channel_name), session_name); |
89476427 | 1274 | warn = 1; |
7671f53c | 1275 | break; |
45d5d421 CB |
1276 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
1277 | { | |
1278 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
1279 | ERR("Event %s%s: %s (channel %s, session %s, filter \'%s\')", ev.name, | |
1280 | exclusion_string, | |
1281 | msg, | |
1282 | print_channel_name(channel_name), | |
1283 | session_name, opt_filter); | |
1284 | error = 1; | |
1285 | break; | |
1286 | } | |
7671f53c | 1287 | default: |
9c48cab3 JI |
1288 | ERR("Event %s%s: %s (channel %s, session %s, filter \'%s\')", ev.name, |
1289 | exclusion_string, | |
da3d7d0e JRJ |
1290 | lttng_strerror(command_ret), |
1291 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
1292 | ? print_raw_channel_name(channel_name) |
1293 | : print_channel_name(channel_name), | |
1294 | session_name, opt_filter); | |
89476427 | 1295 | error = 1; |
7671f53c CB |
1296 | break; |
1297 | } | |
89476427 JRJ |
1298 | error_holder = command_ret; |
1299 | ||
16363652 | 1300 | } else { |
9c48cab3 JI |
1301 | MSG("Event %s%s: Filter '%s' successfully set", |
1302 | event_name, exclusion_string, | |
1303 | opt_filter); | |
53a80697 | 1304 | } |
9c48cab3 | 1305 | free(exclusion_string); |
53a80697 | 1306 | } |
6181537c | 1307 | |
89476427 JRJ |
1308 | if (lttng_opt_mi) { |
1309 | if (command_ret) { | |
1310 | success = 0; | |
1311 | ev.enabled = 0; | |
1312 | } else { | |
1313 | ev.enabled = 1; | |
1314 | } | |
1315 | ||
970d848b | 1316 | ret = mi_lttng_event(writer, &ev, 1, handle->domain.type); |
89476427 JRJ |
1317 | if (ret) { |
1318 | ret = CMD_ERROR; | |
1319 | goto error; | |
1320 | } | |
1321 | ||
1322 | /* print exclusion */ | |
1323 | ret = mi_print_exclusion(exclusion_count, exclusion_list); | |
1324 | if (ret) { | |
1325 | ret = CMD_ERROR; | |
1326 | goto error; | |
1327 | } | |
1328 | ||
1329 | /* Success ? */ | |
1330 | ret = mi_lttng_writer_write_element_bool(writer, | |
1331 | mi_lttng_element_command_success, success); | |
1332 | if (ret) { | |
1333 | ret = CMD_ERROR; | |
1334 | goto end; | |
1335 | } | |
1336 | ||
1337 | /* Close event element */ | |
1338 | ret = mi_lttng_writer_close_element(writer); | |
1339 | if (ret) { | |
1340 | ret = CMD_ERROR; | |
1341 | goto end; | |
1342 | } | |
1343 | } | |
1344 | ||
f3ed775e DG |
1345 | /* Next event */ |
1346 | event_name = strtok(NULL, ","); | |
89476427 JRJ |
1347 | /* Reset warn, error and success */ |
1348 | success = 1; | |
f3ed775e DG |
1349 | } |
1350 | ||
8c9ae521 | 1351 | end: |
89476427 JRJ |
1352 | /* Close Mi */ |
1353 | if (lttng_opt_mi) { | |
1354 | /* Close events element */ | |
1355 | ret = mi_lttng_writer_close_element(writer); | |
1356 | if (ret) { | |
1357 | ret = CMD_ERROR; | |
1358 | goto error; | |
1359 | } | |
1360 | } | |
f3ed775e | 1361 | error: |
ae856491 DG |
1362 | if (warn) { |
1363 | ret = CMD_WARNING; | |
1364 | } | |
89476427 JRJ |
1365 | if (error) { |
1366 | ret = CMD_ERROR; | |
1367 | } | |
cd80958d DG |
1368 | lttng_destroy_handle(handle); |
1369 | ||
7ed70bc9 JI |
1370 | if (exclusion_list != NULL) { |
1371 | while (exclusion_count--) { | |
1372 | free(exclusion_list[exclusion_count]); | |
1373 | } | |
1374 | free(exclusion_list); | |
1375 | } | |
1376 | ||
89476427 JRJ |
1377 | /* Overwrite ret with error_holder if there was an actual error with |
1378 | * enabling an event. | |
1379 | */ | |
1380 | ret = error_holder ? error_holder : ret; | |
1381 | ||
f3ed775e DG |
1382 | return ret; |
1383 | } | |
1384 | ||
1385 | /* | |
6181537c | 1386 | * Add event to trace session |
f3ed775e DG |
1387 | */ |
1388 | int cmd_enable_events(int argc, const char **argv) | |
1389 | { | |
89476427 | 1390 | int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1; |
f3ed775e | 1391 | static poptContext pc; |
cd80958d | 1392 | char *session_name = NULL; |
de044b7a | 1393 | int event_type = -1; |
f3ed775e DG |
1394 | |
1395 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1396 | poptReadDefaultConfig(pc, 0); | |
1397 | ||
1398 | /* Default event type */ | |
7a3d1328 | 1399 | opt_event_type = LTTNG_EVENT_ALL; |
f3ed775e DG |
1400 | |
1401 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1402 | switch (opt) { | |
1403 | case OPT_HELP: | |
ca1c3607 | 1404 | usage(stdout); |
f3ed775e | 1405 | goto end; |
f3ed775e | 1406 | case OPT_TRACEPOINT: |
e6ddca71 | 1407 | opt_event_type = LTTNG_EVENT_TRACEPOINT; |
f3ed775e | 1408 | break; |
cf0e5467 | 1409 | case OPT_PROBE: |
7d29a247 | 1410 | opt_event_type = LTTNG_EVENT_PROBE; |
f3ed775e DG |
1411 | break; |
1412 | case OPT_FUNCTION: | |
1413 | opt_event_type = LTTNG_EVENT_FUNCTION; | |
8f0d098b | 1414 | break; |
a54bd42d MD |
1415 | case OPT_SYSCALL: |
1416 | opt_event_type = LTTNG_EVENT_SYSCALL; | |
0133c199 | 1417 | break; |
eeac7d46 MD |
1418 | case OPT_USERSPACE: |
1419 | opt_userspace = 1; | |
eeac7d46 | 1420 | break; |
0cda4f28 | 1421 | case OPT_LOGLEVEL: |
8005f29a | 1422 | opt_loglevel_type = LTTNG_EVENT_LOGLEVEL_RANGE; |
0cda4f28 MD |
1423 | opt_loglevel = poptGetOptArg(pc); |
1424 | break; | |
1425 | case OPT_LOGLEVEL_ONLY: | |
8005f29a | 1426 | opt_loglevel_type = LTTNG_EVENT_LOGLEVEL_SINGLE; |
0cda4f28 | 1427 | opt_loglevel = poptGetOptArg(pc); |
13dce3b7 | 1428 | break; |
679b4943 SM |
1429 | case OPT_LIST_OPTIONS: |
1430 | list_cmd_options(stdout, long_options); | |
679b4943 | 1431 | goto end; |
53a80697 MD |
1432 | case OPT_FILTER: |
1433 | break; | |
fac3366c JI |
1434 | case OPT_EXCLUDE: |
1435 | break; | |
f3ed775e DG |
1436 | default: |
1437 | usage(stderr); | |
1438 | ret = CMD_UNDEFINED; | |
1439 | goto end; | |
1440 | } | |
de044b7a DG |
1441 | |
1442 | /* Validate event type. Multiple event type are not supported. */ | |
1443 | if (event_type == -1) { | |
1444 | event_type = opt_event_type; | |
1445 | } else { | |
1446 | if (event_type != opt_event_type) { | |
1447 | ERR("Multiple event type not supported."); | |
1448 | ret = CMD_ERROR; | |
1449 | goto end; | |
1450 | } | |
1451 | } | |
f3ed775e DG |
1452 | } |
1453 | ||
3ecec76a PP |
1454 | ret = print_missing_or_multiple_domains( |
1455 | opt_kernel + opt_userspace + opt_jul + opt_log4j + opt_python); | |
1456 | if (ret) { | |
1457 | ret = CMD_ERROR; | |
1458 | goto end; | |
1459 | } | |
1460 | ||
89476427 JRJ |
1461 | /* Mi check */ |
1462 | if (lttng_opt_mi) { | |
1463 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1464 | if (!writer) { | |
1465 | ret = -LTTNG_ERR_NOMEM; | |
1466 | goto end; | |
1467 | } | |
1468 | ||
1469 | /* Open command element */ | |
1470 | ret = mi_lttng_writer_command_open(writer, | |
1471 | mi_lttng_element_command_enable_event); | |
1472 | if (ret) { | |
1473 | ret = CMD_ERROR; | |
1474 | goto end; | |
1475 | } | |
1476 | ||
1477 | /* Open output element */ | |
1478 | ret = mi_lttng_writer_open_element(writer, | |
1479 | mi_lttng_element_command_output); | |
1480 | if (ret) { | |
1481 | ret = CMD_ERROR; | |
1482 | goto end; | |
1483 | } | |
1484 | } | |
1485 | ||
f3ed775e DG |
1486 | opt_event_list = (char*) poptGetArg(pc); |
1487 | if (opt_event_list == NULL && opt_enable_all == 0) { | |
1488 | ERR("Missing event name(s).\n"); | |
1489 | usage(stderr); | |
ca1c3607 | 1490 | ret = CMD_ERROR; |
f3ed775e DG |
1491 | goto end; |
1492 | } | |
1493 | ||
cd80958d DG |
1494 | if (!opt_session_name) { |
1495 | session_name = get_session_name(); | |
1496 | if (session_name == NULL) { | |
89476427 JRJ |
1497 | command_ret = CMD_ERROR; |
1498 | success = 0; | |
1499 | goto mi_closing; | |
cd80958d DG |
1500 | } |
1501 | } else { | |
1502 | session_name = opt_session_name; | |
1503 | } | |
1504 | ||
89476427 JRJ |
1505 | command_ret = enable_events(session_name); |
1506 | if (command_ret) { | |
1507 | success = 0; | |
1508 | goto mi_closing; | |
1509 | } | |
1510 | ||
1511 | mi_closing: | |
1512 | /* Mi closing */ | |
1513 | if (lttng_opt_mi) { | |
1514 | /* Close output element */ | |
1515 | ret = mi_lttng_writer_close_element(writer); | |
1516 | if (ret) { | |
1517 | ret = CMD_ERROR; | |
1518 | goto end; | |
1519 | } | |
1520 | ||
1521 | ret = mi_lttng_writer_write_element_bool(writer, | |
1522 | mi_lttng_element_command_success, success); | |
1523 | if (ret) { | |
1524 | ret = CMD_ERROR; | |
1525 | goto end; | |
1526 | } | |
1527 | ||
1528 | /* Command element close */ | |
1529 | ret = mi_lttng_writer_command_close(writer); | |
1530 | if (ret) { | |
1531 | ret = CMD_ERROR; | |
1532 | goto end; | |
1533 | } | |
1534 | } | |
f3ed775e DG |
1535 | |
1536 | end: | |
89476427 JRJ |
1537 | /* Mi clean-up */ |
1538 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1539 | /* Preserve original error code */ | |
1540 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
1541 | } | |
1542 | ||
cd80958d DG |
1543 | if (opt_session_name == NULL) { |
1544 | free(session_name); | |
1545 | } | |
1546 | ||
89476427 JRJ |
1547 | /* Overwrite ret if an error occurred in enable_events */ |
1548 | ret = command_ret ? command_ret : ret; | |
1549 | ||
ca1c3607 | 1550 | poptFreeContext(pc); |
f3ed775e DG |
1551 | return ret; |
1552 | } |