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 | { | |
32a6298d | 104 | fprintf(ofp, "usage: lttng enable-event NAME[,NAME2,...] [-k|-u] [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"); |
5cdb6027 | 137 | fprintf(ofp, " For JUL/LOG4j domain, 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 | |
d5dd17fd JI |
729 | if (opt_kernel && opt_exclude) { |
730 | ERR("Event name exclusions are not yet implemented for kernel events"); | |
731 | ret = CMD_ERROR; | |
732 | goto error; | |
733 | } | |
734 | ||
85076754 | 735 | channel_name = opt_channel_name; |
ae856491 | 736 | |
cd80958d DG |
737 | handle = lttng_create_handle(session_name, &dom); |
738 | if (handle == NULL) { | |
739 | ret = -1; | |
740 | goto error; | |
741 | } | |
1aef21b6 | 742 | |
89476427 JRJ |
743 | /* Prepare Mi */ |
744 | if (lttng_opt_mi) { | |
745 | /* Open a events element */ | |
746 | ret = mi_lttng_writer_open_element(writer, config_element_events); | |
747 | if (ret) { | |
748 | ret = CMD_ERROR; | |
749 | goto error; | |
750 | } | |
751 | } | |
752 | ||
cd80958d | 753 | if (opt_enable_all) { |
8c9ae521 | 754 | /* Default setup for enable all */ |
75e8c5ab MD |
755 | if (opt_kernel) { |
756 | ev.type = opt_event_type; | |
29c62722 | 757 | strcpy(ev.name, "*"); |
300b8fd5 MD |
758 | /* kernel loglevels not implemented */ |
759 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; | |
75e8c5ab MD |
760 | } else { |
761 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
762 | strcpy(ev.name, "*"); | |
300b8fd5 MD |
763 | ev.loglevel_type = opt_loglevel_type; |
764 | if (opt_loglevel) { | |
0e115563 | 765 | assert(opt_userspace || opt_jul || opt_log4j || opt_python); |
b2064f54 DG |
766 | if (opt_userspace) { |
767 | ev.loglevel = loglevel_str_to_value(opt_loglevel); | |
768 | } else if (opt_jul) { | |
769 | ev.loglevel = loglevel_jul_str_to_value(opt_loglevel); | |
5cdb6027 DG |
770 | } else if (opt_log4j) { |
771 | ev.loglevel = loglevel_log4j_str_to_value(opt_loglevel); | |
0e115563 DG |
772 | } else if (opt_python) { |
773 | ev.loglevel = loglevel_python_str_to_value(opt_loglevel); | |
b2064f54 | 774 | } |
300b8fd5 MD |
775 | if (ev.loglevel == -1) { |
776 | ERR("Unknown loglevel %s", opt_loglevel); | |
2f70b271 | 777 | ret = -LTTNG_ERR_INVALID; |
300b8fd5 MD |
778 | goto error; |
779 | } | |
22e25b71 | 780 | } else { |
0e115563 | 781 | assert(opt_userspace || opt_jul || opt_log4j || opt_python); |
b2064f54 DG |
782 | if (opt_userspace) { |
783 | ev.loglevel = -1; | |
5cdb6027 | 784 | } else if (opt_jul || opt_log4j) { |
b2064f54 | 785 | ev.loglevel = LTTNG_LOGLEVEL_JUL_ALL; |
0e115563 DG |
786 | } else if (opt_python) { |
787 | ev.loglevel = LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
b2064f54 | 788 | } |
300b8fd5 | 789 | } |
75e8c5ab | 790 | } |
8c9ae521 | 791 | |
7ed70bc9 JI |
792 | if (opt_exclude) { |
793 | ret = check_exclusion_subsets("*", opt_exclude, | |
794 | &exclusion_count, &exclusion_list); | |
795 | if (ret == CMD_ERROR) { | |
796 | goto error; | |
797 | } | |
89476427 | 798 | ev.exclusion = 1; |
7ed70bc9 | 799 | } |
025faf73 | 800 | if (!opt_filter) { |
7ed70bc9 JI |
801 | ret = lttng_enable_event_with_exclusions(handle, |
802 | &ev, channel_name, | |
803 | NULL, | |
804 | exclusion_count, exclusion_list); | |
025faf73 DG |
805 | if (ret < 0) { |
806 | switch (-ret) { | |
807 | case LTTNG_ERR_KERN_EVENT_EXIST: | |
808 | WARN("Kernel events already enabled (channel %s, session %s)", | |
85076754 | 809 | print_channel_name(channel_name), session_name); |
89476427 | 810 | warn = 1; |
025faf73 | 811 | break; |
45d5d421 CB |
812 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
813 | { | |
814 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
815 | ERR("Events: %s (channel %s, session %s)", | |
816 | msg, | |
817 | print_channel_name(channel_name), | |
818 | session_name); | |
819 | error = 1; | |
820 | break; | |
821 | } | |
025faf73 DG |
822 | default: |
823 | ERR("Events: %s (channel %s, session %s)", | |
85076754 MD |
824 | lttng_strerror(ret), |
825 | ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
826 | ? print_raw_channel_name(channel_name) | |
827 | : print_channel_name(channel_name), | |
828 | session_name); | |
89476427 | 829 | error = 1; |
025faf73 DG |
830 | break; |
831 | } | |
832 | goto end; | |
42224349 | 833 | } |
8c9ae521 | 834 | |
025faf73 DG |
835 | switch (opt_event_type) { |
836 | case LTTNG_EVENT_TRACEPOINT: | |
67b58630 | 837 | if (opt_loglevel && dom.type != LTTNG_DOMAIN_KERNEL) { |
9c48cab3 | 838 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
839 | |
840 | if (!exclusion_string) { | |
841 | PERROR("Cannot allocate exclusion_string"); | |
842 | error = 1; | |
843 | goto end; | |
844 | } | |
9c48cab3 | 845 | MSG("All %s tracepoints%s are enabled in channel %s for loglevel %s", |
b9dfb167 | 846 | get_domain_str(dom.type), |
9c48cab3 | 847 | exclusion_string, |
85076754 | 848 | print_channel_name(channel_name), |
025faf73 | 849 | opt_loglevel); |
9c48cab3 | 850 | free(exclusion_string); |
025faf73 | 851 | } else { |
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", |
b9dfb167 | 860 | get_domain_str(dom.type), |
9c48cab3 | 861 | exclusion_string, |
85076754 | 862 | print_channel_name(channel_name)); |
9c48cab3 | 863 | free(exclusion_string); |
025faf73 DG |
864 | } |
865 | break; | |
866 | case LTTNG_EVENT_SYSCALL: | |
867 | if (opt_kernel) { | |
6e911cad MD |
868 | MSG("All %s system calls are enabled in channel %s", |
869 | get_domain_str(dom.type), | |
85076754 | 870 | print_channel_name(channel_name)); |
025faf73 DG |
871 | } |
872 | break; | |
873 | case LTTNG_EVENT_ALL: | |
67b58630 | 874 | if (opt_loglevel && dom.type != LTTNG_DOMAIN_KERNEL) { |
9c48cab3 | 875 | char *exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
876 | |
877 | if (!exclusion_string) { | |
878 | PERROR("Cannot allocate exclusion_string"); | |
879 | error = 1; | |
880 | goto end; | |
881 | } | |
9c48cab3 | 882 | MSG("All %s events%s are enabled in channel %s for loglevel %s", |
b9dfb167 | 883 | get_domain_str(dom.type), |
9c48cab3 | 884 | exclusion_string, |
85076754 | 885 | print_channel_name(channel_name), |
025faf73 | 886 | opt_loglevel); |
9c48cab3 | 887 | free(exclusion_string); |
025faf73 | 888 | } else { |
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", |
b9dfb167 | 897 | get_domain_str(dom.type), |
9c48cab3 | 898 | exclusion_string, |
85076754 | 899 | print_channel_name(channel_name)); |
9c48cab3 | 900 | free(exclusion_string); |
025faf73 DG |
901 | } |
902 | break; | |
903 | default: | |
904 | /* | |
905 | * We should not be here since lttng_enable_event should have | |
906 | * failed on the event type. | |
907 | */ | |
908 | goto error; | |
57064ada | 909 | } |
f3ed775e | 910 | } |
89476427 | 911 | |
025faf73 | 912 | if (opt_filter) { |
89476427 | 913 | command_ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name, |
7ed70bc9 | 914 | opt_filter, exclusion_count, exclusion_list); |
89476427 JRJ |
915 | if (command_ret < 0) { |
916 | switch (-command_ret) { | |
16363652 | 917 | case LTTNG_ERR_FILTER_EXIST: |
85076754 | 918 | WARN("Filter on all events is already enabled" |
16363652 | 919 | " (channel %s, session %s)", |
85076754 | 920 | print_channel_name(channel_name), session_name); |
89476427 | 921 | warn = 1; |
16363652 | 922 | break; |
45d5d421 CB |
923 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
924 | { | |
925 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
926 | ERR("All events: %s (channel %s, session %s, filter \'%s\')", | |
927 | msg, | |
928 | print_channel_name(channel_name), | |
929 | session_name, opt_filter); | |
930 | error = 1; | |
931 | break; | |
932 | } | |
16363652 | 933 | default: |
85076754 | 934 | ERR("All events: %s (channel %s, session %s, filter \'%s\')", |
da3d7d0e JRJ |
935 | lttng_strerror(command_ret), |
936 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
937 | ? print_raw_channel_name(channel_name) |
938 | : print_channel_name(channel_name), | |
939 | session_name, opt_filter); | |
89476427 | 940 | error = 1; |
16363652 DG |
941 | break; |
942 | } | |
89476427 | 943 | error_holder = command_ret; |
16363652 | 944 | } else { |
89476427 | 945 | ev.filter = 1; |
16363652 DG |
946 | MSG("Filter '%s' successfully set", opt_filter); |
947 | } | |
948 | } | |
89476427 JRJ |
949 | |
950 | if (lttng_opt_mi) { | |
951 | /* The wildcard * is used for kernel and ust domain to | |
952 | * represent ALL. We copy * in event name to force the wildcard use | |
953 | * for kernel domain | |
954 | * | |
955 | * Note: this is strictly for semantic and printing while in | |
956 | * machine interface mode. | |
957 | */ | |
958 | strcpy(ev.name, "*"); | |
959 | ||
960 | /* If we reach here the events are enabled */ | |
961 | if (!error && !warn) { | |
962 | ev.enabled = 1; | |
963 | } else { | |
964 | ev.enabled = 0; | |
965 | success = 0; | |
966 | } | |
970d848b | 967 | ret = mi_lttng_event(writer, &ev, 1, handle->domain.type); |
89476427 JRJ |
968 | if (ret) { |
969 | ret = CMD_ERROR; | |
970 | goto error; | |
971 | } | |
972 | ||
973 | /* print exclusion */ | |
974 | ret = mi_print_exclusion(exclusion_count, exclusion_list); | |
975 | if (ret) { | |
976 | ret = CMD_ERROR; | |
977 | goto error; | |
978 | } | |
979 | ||
980 | /* Success ? */ | |
981 | ret = mi_lttng_writer_write_element_bool(writer, | |
982 | mi_lttng_element_command_success, success); | |
983 | if (ret) { | |
984 | ret = CMD_ERROR; | |
985 | goto error; | |
986 | } | |
987 | ||
988 | /* Close event element */ | |
989 | ret = mi_lttng_writer_close_element(writer); | |
990 | if (ret) { | |
991 | ret = CMD_ERROR; | |
992 | goto error; | |
993 | } | |
994 | } | |
995 | ||
8c9ae521 | 996 | goto end; |
f3ed775e DG |
997 | } |
998 | ||
999 | /* Strip event list */ | |
1000 | event_name = strtok(opt_event_list, ","); | |
1001 | while (event_name != NULL) { | |
6181537c DG |
1002 | /* Copy name and type of the event */ |
1003 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1004 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
1005 | ev.type = opt_event_type; | |
1006 | ||
f3ed775e DG |
1007 | /* Kernel tracer action */ |
1008 | if (opt_kernel) { | |
1009 | DBG("Enabling kernel event %s for channel %s", | |
85076754 MD |
1010 | event_name, |
1011 | print_channel_name(channel_name)); | |
f3ed775e DG |
1012 | |
1013 | switch (opt_event_type) { | |
29c62722 MD |
1014 | case LTTNG_EVENT_ALL: /* Enable tracepoints and syscalls */ |
1015 | /* If event name differs from *, select tracepoint. */ | |
1016 | if (strcmp(ev.name, "*")) { | |
1017 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1018 | } | |
1019 | break; | |
e6ddca71 | 1020 | case LTTNG_EVENT_TRACEPOINT: |
f3ed775e | 1021 | break; |
7d29a247 | 1022 | case LTTNG_EVENT_PROBE: |
cf0e5467 | 1023 | ret = parse_probe_opts(&ev, opt_probe); |
49d4e302 | 1024 | if (ret) { |
cf0e5467 | 1025 | ERR("Unable to parse probe options"); |
0d63dd19 DG |
1026 | ret = 0; |
1027 | goto error; | |
1028 | } | |
f3ed775e DG |
1029 | break; |
1030 | case LTTNG_EVENT_FUNCTION: | |
8f0d098b | 1031 | ret = parse_probe_opts(&ev, opt_function); |
49d4e302 | 1032 | if (ret) { |
8f0d098b MD |
1033 | ERR("Unable to parse function probe options"); |
1034 | ret = 0; | |
1035 | goto error; | |
1036 | } | |
1037 | break; | |
a54bd42d | 1038 | case LTTNG_EVENT_SYSCALL: |
c6aa2d41 MD |
1039 | ev.type = LTTNG_EVENT_SYSCALL; |
1040 | break; | |
f3ed775e | 1041 | default: |
1ab1ea0b | 1042 | ret = CMD_UNDEFINED; |
f3ed775e DG |
1043 | goto error; |
1044 | } | |
0cda4f28 | 1045 | |
0cda4f28 | 1046 | /* kernel loglevels not implemented */ |
8005f29a | 1047 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
f3ed775e | 1048 | } else if (opt_userspace) { /* User-space tracer action */ |
300b8fd5 | 1049 | DBG("Enabling UST event %s for channel %s, loglevel %s", event_name, |
85076754 | 1050 | print_channel_name(channel_name), opt_loglevel ? : "<all>"); |
2bdd86d4 MD |
1051 | |
1052 | switch (opt_event_type) { | |
1053 | case LTTNG_EVENT_ALL: /* Default behavior is tracepoint */ | |
2bdd86d4 MD |
1054 | /* Fall-through */ |
1055 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e MD |
1056 | /* Copy name and type of the event */ |
1057 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1058 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1059 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
2bdd86d4 MD |
1060 | break; |
1061 | case LTTNG_EVENT_PROBE: | |
1062 | case LTTNG_EVENT_FUNCTION: | |
2bdd86d4 MD |
1063 | case LTTNG_EVENT_SYSCALL: |
1064 | default: | |
cc62c0c0 | 1065 | ERR("Event type not available for user-space tracing"); |
4ce78777 | 1066 | ret = CMD_UNSUPPORTED; |
2bdd86d4 MD |
1067 | goto error; |
1068 | } | |
0cda4f28 | 1069 | |
7ed70bc9 | 1070 | if (opt_exclude) { |
89476427 | 1071 | ev.exclusion = 1; |
d5dd17fd JI |
1072 | if (opt_event_type != LTTNG_EVENT_ALL && opt_event_type != LTTNG_EVENT_TRACEPOINT) { |
1073 | ERR("Exclusion option can only be used with tracepoint events"); | |
1074 | ret = CMD_ERROR; | |
1075 | goto error; | |
1076 | } | |
7ed70bc9 JI |
1077 | /* Free previously allocated items */ |
1078 | if (exclusion_list != NULL) { | |
1079 | while (exclusion_count--) { | |
1080 | free(exclusion_list[exclusion_count]); | |
1081 | } | |
1082 | free(exclusion_list); | |
1083 | exclusion_list = NULL; | |
1084 | } | |
1085 | /* Check for proper subsets */ | |
1086 | ret = check_exclusion_subsets(event_name, opt_exclude, | |
1087 | &exclusion_count, &exclusion_list); | |
1088 | if (ret == CMD_ERROR) { | |
1089 | goto error; | |
1090 | } | |
1091 | } | |
1092 | ||
0cda4f28 | 1093 | ev.loglevel_type = opt_loglevel_type; |
ed7f4083 | 1094 | if (opt_loglevel) { |
8005f29a MD |
1095 | ev.loglevel = loglevel_str_to_value(opt_loglevel); |
1096 | if (ev.loglevel == -1) { | |
1097 | ERR("Unknown loglevel %s", opt_loglevel); | |
2f70b271 | 1098 | ret = -LTTNG_ERR_INVALID; |
8005f29a MD |
1099 | goto error; |
1100 | } | |
22e25b71 MD |
1101 | } else { |
1102 | ev.loglevel = -1; | |
ed7f4083 | 1103 | } |
0e115563 | 1104 | } else if (opt_jul || opt_log4j || opt_python) { |
b9dfb167 DG |
1105 | if (opt_event_type != LTTNG_EVENT_ALL && |
1106 | opt_event_type != LTTNG_EVENT_TRACEPOINT) { | |
5cdb6027 | 1107 | ERR("Event type not supported for domain."); |
b9dfb167 DG |
1108 | ret = CMD_UNSUPPORTED; |
1109 | goto error; | |
1110 | } | |
b2064f54 DG |
1111 | |
1112 | ev.loglevel_type = opt_loglevel_type; | |
1113 | if (opt_loglevel) { | |
5cdb6027 DG |
1114 | if (opt_jul) { |
1115 | ev.loglevel = loglevel_jul_str_to_value(opt_loglevel); | |
1116 | } else if (opt_log4j) { | |
1117 | ev.loglevel = loglevel_log4j_str_to_value(opt_loglevel); | |
0e115563 DG |
1118 | } else if (opt_python) { |
1119 | ev.loglevel = loglevel_python_str_to_value(opt_loglevel); | |
5cdb6027 | 1120 | } |
b2064f54 DG |
1121 | if (ev.loglevel == -1) { |
1122 | ERR("Unknown loglevel %s", opt_loglevel); | |
1123 | ret = -LTTNG_ERR_INVALID; | |
1124 | goto error; | |
1125 | } | |
1126 | } else { | |
5cdb6027 DG |
1127 | if (opt_jul) { |
1128 | ev.loglevel = LTTNG_LOGLEVEL_JUL_ALL; | |
1129 | } else if (opt_log4j) { | |
1130 | ev.loglevel = LTTNG_LOGLEVEL_LOG4J_ALL; | |
0e115563 DG |
1131 | } else if (opt_python) { |
1132 | ev.loglevel = LTTNG_LOGLEVEL_PYTHON_DEBUG; | |
5cdb6027 | 1133 | } |
b2064f54 | 1134 | } |
b9dfb167 DG |
1135 | ev.type = LTTNG_EVENT_TRACEPOINT; |
1136 | strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN); | |
1137 | ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
f3ed775e | 1138 | } else { |
b9dfb167 | 1139 | print_missing_domain(); |
300b8fd5 | 1140 | ret = CMD_ERROR; |
f3ed775e DG |
1141 | goto error; |
1142 | } | |
1143 | ||
025faf73 | 1144 | if (!opt_filter) { |
9c48cab3 JI |
1145 | char *exclusion_string; |
1146 | ||
89476427 | 1147 | command_ret = lttng_enable_event_with_exclusions(handle, |
7ed70bc9 JI |
1148 | &ev, channel_name, |
1149 | NULL, exclusion_count, exclusion_list); | |
9c48cab3 | 1150 | exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
1151 | if (!exclusion_string) { |
1152 | PERROR("Cannot allocate exclusion_string"); | |
1153 | error = 1; | |
1154 | goto end; | |
1155 | } | |
89476427 | 1156 | if (command_ret < 0) { |
025faf73 | 1157 | /* Turn ret to positive value to handle the positive error code */ |
89476427 | 1158 | switch (-command_ret) { |
025faf73 | 1159 | case LTTNG_ERR_KERN_EVENT_EXIST: |
9c48cab3 | 1160 | WARN("Kernel event %s%s already enabled (channel %s, session %s)", |
85076754 | 1161 | event_name, |
9c48cab3 | 1162 | exclusion_string, |
85076754 | 1163 | print_channel_name(channel_name), session_name); |
89476427 | 1164 | warn = 1; |
025faf73 | 1165 | break; |
45d5d421 CB |
1166 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
1167 | { | |
1168 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
1169 | ERR("Event %s%s: %s (channel %s, session %s)", event_name, | |
1170 | exclusion_string, | |
1171 | msg, | |
1172 | print_channel_name(channel_name), | |
1173 | session_name); | |
1174 | error = 1; | |
1175 | break; | |
1176 | } | |
025faf73 | 1177 | default: |
9c48cab3 JI |
1178 | ERR("Event %s%s: %s (channel %s, session %s)", event_name, |
1179 | exclusion_string, | |
da3d7d0e JRJ |
1180 | lttng_strerror(command_ret), |
1181 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
1182 | ? print_raw_channel_name(channel_name) |
1183 | : print_channel_name(channel_name), | |
1184 | session_name); | |
89476427 | 1185 | error = 1; |
025faf73 DG |
1186 | break; |
1187 | } | |
89476427 | 1188 | error_holder = command_ret; |
025faf73 | 1189 | } else { |
5cdb6027 DG |
1190 | /* So we don't print the default channel name for agent domain. */ |
1191 | if (dom.type == LTTNG_DOMAIN_JUL || | |
1192 | dom.type == LTTNG_DOMAIN_LOG4J) { | |
49ceaa70 DG |
1193 | MSG("%s event %s%s enabled.", |
1194 | get_domain_str(dom.type), event_name, | |
1195 | exclusion_string); | |
1196 | } else { | |
1197 | MSG("%s event %s%s created in channel %s", | |
1198 | get_domain_str(dom.type), event_name, | |
1199 | exclusion_string, | |
1200 | print_channel_name(channel_name)); | |
1201 | } | |
42224349 | 1202 | } |
9c48cab3 | 1203 | free(exclusion_string); |
6181537c | 1204 | } |
025faf73 DG |
1205 | |
1206 | if (opt_filter) { | |
9c48cab3 JI |
1207 | char *exclusion_string; |
1208 | ||
89476427 JRJ |
1209 | /* Filter present */ |
1210 | ev.filter = 1; | |
1211 | ||
1212 | command_ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name, | |
7ed70bc9 | 1213 | opt_filter, exclusion_count, exclusion_list); |
9c48cab3 | 1214 | exclusion_string = print_exclusions(exclusion_count, exclusion_list); |
5ef79758 MD |
1215 | if (!exclusion_string) { |
1216 | PERROR("Cannot allocate exclusion_string"); | |
1217 | error = 1; | |
1218 | goto end; | |
1219 | } | |
89476427 JRJ |
1220 | if (command_ret < 0) { |
1221 | switch (-command_ret) { | |
7671f53c | 1222 | case LTTNG_ERR_FILTER_EXIST: |
9c48cab3 | 1223 | WARN("Filter on event %s%s is already enabled" |
7671f53c | 1224 | " (channel %s, session %s)", |
85076754 | 1225 | event_name, |
9c48cab3 | 1226 | exclusion_string, |
85076754 | 1227 | print_channel_name(channel_name), session_name); |
89476427 | 1228 | warn = 1; |
7671f53c | 1229 | break; |
45d5d421 CB |
1230 | case LTTNG_ERR_TRACE_ALREADY_STARTED: |
1231 | { | |
1232 | const char *msg = "The command tried to enable an event in a new domain for a session that has already been started once."; | |
1233 | ERR("Event %s%s: %s (channel %s, session %s, filter \'%s\')", ev.name, | |
1234 | exclusion_string, | |
1235 | msg, | |
1236 | print_channel_name(channel_name), | |
1237 | session_name, opt_filter); | |
1238 | error = 1; | |
1239 | break; | |
1240 | } | |
7671f53c | 1241 | default: |
9c48cab3 JI |
1242 | ERR("Event %s%s: %s (channel %s, session %s, filter \'%s\')", ev.name, |
1243 | exclusion_string, | |
da3d7d0e JRJ |
1244 | lttng_strerror(command_ret), |
1245 | command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME | |
85076754 MD |
1246 | ? print_raw_channel_name(channel_name) |
1247 | : print_channel_name(channel_name), | |
1248 | session_name, opt_filter); | |
89476427 | 1249 | error = 1; |
7671f53c CB |
1250 | break; |
1251 | } | |
89476427 JRJ |
1252 | error_holder = command_ret; |
1253 | ||
16363652 | 1254 | } else { |
9c48cab3 JI |
1255 | MSG("Event %s%s: Filter '%s' successfully set", |
1256 | event_name, exclusion_string, | |
1257 | opt_filter); | |
53a80697 | 1258 | } |
9c48cab3 | 1259 | free(exclusion_string); |
53a80697 | 1260 | } |
6181537c | 1261 | |
89476427 JRJ |
1262 | if (lttng_opt_mi) { |
1263 | if (command_ret) { | |
1264 | success = 0; | |
1265 | ev.enabled = 0; | |
1266 | } else { | |
1267 | ev.enabled = 1; | |
1268 | } | |
1269 | ||
970d848b | 1270 | ret = mi_lttng_event(writer, &ev, 1, handle->domain.type); |
89476427 JRJ |
1271 | if (ret) { |
1272 | ret = CMD_ERROR; | |
1273 | goto error; | |
1274 | } | |
1275 | ||
1276 | /* print exclusion */ | |
1277 | ret = mi_print_exclusion(exclusion_count, exclusion_list); | |
1278 | if (ret) { | |
1279 | ret = CMD_ERROR; | |
1280 | goto error; | |
1281 | } | |
1282 | ||
1283 | /* Success ? */ | |
1284 | ret = mi_lttng_writer_write_element_bool(writer, | |
1285 | mi_lttng_element_command_success, success); | |
1286 | if (ret) { | |
1287 | ret = CMD_ERROR; | |
1288 | goto end; | |
1289 | } | |
1290 | ||
1291 | /* Close event element */ | |
1292 | ret = mi_lttng_writer_close_element(writer); | |
1293 | if (ret) { | |
1294 | ret = CMD_ERROR; | |
1295 | goto end; | |
1296 | } | |
1297 | } | |
1298 | ||
f3ed775e DG |
1299 | /* Next event */ |
1300 | event_name = strtok(NULL, ","); | |
89476427 JRJ |
1301 | /* Reset warn, error and success */ |
1302 | success = 1; | |
f3ed775e DG |
1303 | } |
1304 | ||
8c9ae521 | 1305 | end: |
89476427 JRJ |
1306 | /* Close Mi */ |
1307 | if (lttng_opt_mi) { | |
1308 | /* Close events element */ | |
1309 | ret = mi_lttng_writer_close_element(writer); | |
1310 | if (ret) { | |
1311 | ret = CMD_ERROR; | |
1312 | goto error; | |
1313 | } | |
1314 | } | |
f3ed775e | 1315 | error: |
ae856491 DG |
1316 | if (warn) { |
1317 | ret = CMD_WARNING; | |
1318 | } | |
89476427 JRJ |
1319 | if (error) { |
1320 | ret = CMD_ERROR; | |
1321 | } | |
cd80958d DG |
1322 | lttng_destroy_handle(handle); |
1323 | ||
7ed70bc9 JI |
1324 | if (exclusion_list != NULL) { |
1325 | while (exclusion_count--) { | |
1326 | free(exclusion_list[exclusion_count]); | |
1327 | } | |
1328 | free(exclusion_list); | |
1329 | } | |
1330 | ||
89476427 JRJ |
1331 | /* Overwrite ret with error_holder if there was an actual error with |
1332 | * enabling an event. | |
1333 | */ | |
1334 | ret = error_holder ? error_holder : ret; | |
1335 | ||
f3ed775e DG |
1336 | return ret; |
1337 | } | |
1338 | ||
1339 | /* | |
6181537c | 1340 | * Add event to trace session |
f3ed775e DG |
1341 | */ |
1342 | int cmd_enable_events(int argc, const char **argv) | |
1343 | { | |
89476427 | 1344 | int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1; |
f3ed775e | 1345 | static poptContext pc; |
cd80958d | 1346 | char *session_name = NULL; |
de044b7a | 1347 | int event_type = -1; |
f3ed775e DG |
1348 | |
1349 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1350 | poptReadDefaultConfig(pc, 0); | |
1351 | ||
1352 | /* Default event type */ | |
7a3d1328 | 1353 | opt_event_type = LTTNG_EVENT_ALL; |
f3ed775e DG |
1354 | |
1355 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1356 | switch (opt) { | |
1357 | case OPT_HELP: | |
ca1c3607 | 1358 | usage(stdout); |
f3ed775e | 1359 | goto end; |
f3ed775e | 1360 | case OPT_TRACEPOINT: |
e6ddca71 | 1361 | opt_event_type = LTTNG_EVENT_TRACEPOINT; |
f3ed775e | 1362 | break; |
cf0e5467 | 1363 | case OPT_PROBE: |
7d29a247 | 1364 | opt_event_type = LTTNG_EVENT_PROBE; |
f3ed775e DG |
1365 | break; |
1366 | case OPT_FUNCTION: | |
1367 | opt_event_type = LTTNG_EVENT_FUNCTION; | |
8f0d098b | 1368 | break; |
a54bd42d MD |
1369 | case OPT_SYSCALL: |
1370 | opt_event_type = LTTNG_EVENT_SYSCALL; | |
0133c199 | 1371 | break; |
eeac7d46 MD |
1372 | case OPT_USERSPACE: |
1373 | opt_userspace = 1; | |
eeac7d46 | 1374 | break; |
0cda4f28 | 1375 | case OPT_LOGLEVEL: |
8005f29a | 1376 | opt_loglevel_type = LTTNG_EVENT_LOGLEVEL_RANGE; |
0cda4f28 MD |
1377 | opt_loglevel = poptGetOptArg(pc); |
1378 | break; | |
1379 | case OPT_LOGLEVEL_ONLY: | |
8005f29a | 1380 | opt_loglevel_type = LTTNG_EVENT_LOGLEVEL_SINGLE; |
0cda4f28 | 1381 | opt_loglevel = poptGetOptArg(pc); |
13dce3b7 | 1382 | break; |
679b4943 SM |
1383 | case OPT_LIST_OPTIONS: |
1384 | list_cmd_options(stdout, long_options); | |
679b4943 | 1385 | goto end; |
53a80697 MD |
1386 | case OPT_FILTER: |
1387 | break; | |
fac3366c JI |
1388 | case OPT_EXCLUDE: |
1389 | break; | |
f3ed775e DG |
1390 | default: |
1391 | usage(stderr); | |
1392 | ret = CMD_UNDEFINED; | |
1393 | goto end; | |
1394 | } | |
de044b7a DG |
1395 | |
1396 | /* Validate event type. Multiple event type are not supported. */ | |
1397 | if (event_type == -1) { | |
1398 | event_type = opt_event_type; | |
1399 | } else { | |
1400 | if (event_type != opt_event_type) { | |
1401 | ERR("Multiple event type not supported."); | |
1402 | ret = CMD_ERROR; | |
1403 | goto end; | |
1404 | } | |
1405 | } | |
f3ed775e DG |
1406 | } |
1407 | ||
89476427 JRJ |
1408 | /* Mi check */ |
1409 | if (lttng_opt_mi) { | |
1410 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1411 | if (!writer) { | |
1412 | ret = -LTTNG_ERR_NOMEM; | |
1413 | goto end; | |
1414 | } | |
1415 | ||
1416 | /* Open command element */ | |
1417 | ret = mi_lttng_writer_command_open(writer, | |
1418 | mi_lttng_element_command_enable_event); | |
1419 | if (ret) { | |
1420 | ret = CMD_ERROR; | |
1421 | goto end; | |
1422 | } | |
1423 | ||
1424 | /* Open output element */ | |
1425 | ret = mi_lttng_writer_open_element(writer, | |
1426 | mi_lttng_element_command_output); | |
1427 | if (ret) { | |
1428 | ret = CMD_ERROR; | |
1429 | goto end; | |
1430 | } | |
1431 | } | |
1432 | ||
f3ed775e DG |
1433 | opt_event_list = (char*) poptGetArg(pc); |
1434 | if (opt_event_list == NULL && opt_enable_all == 0) { | |
1435 | ERR("Missing event name(s).\n"); | |
1436 | usage(stderr); | |
ca1c3607 | 1437 | ret = CMD_ERROR; |
f3ed775e DG |
1438 | goto end; |
1439 | } | |
1440 | ||
cd80958d DG |
1441 | if (!opt_session_name) { |
1442 | session_name = get_session_name(); | |
1443 | if (session_name == NULL) { | |
89476427 JRJ |
1444 | command_ret = CMD_ERROR; |
1445 | success = 0; | |
1446 | goto mi_closing; | |
cd80958d DG |
1447 | } |
1448 | } else { | |
1449 | session_name = opt_session_name; | |
1450 | } | |
1451 | ||
89476427 JRJ |
1452 | command_ret = enable_events(session_name); |
1453 | if (command_ret) { | |
1454 | success = 0; | |
1455 | goto mi_closing; | |
1456 | } | |
1457 | ||
1458 | mi_closing: | |
1459 | /* Mi closing */ | |
1460 | if (lttng_opt_mi) { | |
1461 | /* Close output element */ | |
1462 | ret = mi_lttng_writer_close_element(writer); | |
1463 | if (ret) { | |
1464 | ret = CMD_ERROR; | |
1465 | goto end; | |
1466 | } | |
1467 | ||
1468 | ret = mi_lttng_writer_write_element_bool(writer, | |
1469 | mi_lttng_element_command_success, success); | |
1470 | if (ret) { | |
1471 | ret = CMD_ERROR; | |
1472 | goto end; | |
1473 | } | |
1474 | ||
1475 | /* Command element close */ | |
1476 | ret = mi_lttng_writer_command_close(writer); | |
1477 | if (ret) { | |
1478 | ret = CMD_ERROR; | |
1479 | goto end; | |
1480 | } | |
1481 | } | |
f3ed775e DG |
1482 | |
1483 | end: | |
89476427 JRJ |
1484 | /* Mi clean-up */ |
1485 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1486 | /* Preserve original error code */ | |
1487 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
1488 | } | |
1489 | ||
cd80958d DG |
1490 | if (opt_session_name == NULL) { |
1491 | free(session_name); | |
1492 | } | |
1493 | ||
89476427 JRJ |
1494 | /* Overwrite ret if an error occurred in enable_events */ |
1495 | ret = command_ret ? command_ret : ret; | |
1496 | ||
ca1c3607 | 1497 | poptFreeContext(pc); |
f3ed775e DG |
1498 | return ret; |
1499 | } |