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d65106b1 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
e9492550 | 3 | * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com> |
d65106b1 | 4 | * |
d14d33bf AM |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License, version 2 only, | |
7 | * as published by the Free Software Foundation. | |
d65106b1 DG |
8 | * |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
d14d33bf AM |
14 | * You should have received a copy of the GNU General Public License along |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
d65106b1 DG |
17 | */ |
18 | ||
6c1c0768 | 19 | #define _LGPL_SOURCE |
90b9a268 | 20 | #include <ctype.h> |
d65106b1 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> | |
3ecec76a | 28 | #include <assert.h> |
d65106b1 | 29 | |
3301e740 DG |
30 | #include <urcu/list.h> |
31 | ||
89b72577 JRJ |
32 | #include <common/mi-lttng.h> |
33 | ||
c399183f | 34 | #include "../command.h" |
d65106b1 | 35 | |
d65106b1 | 36 | static char *opt_channel_name; |
5440dc42 | 37 | static char *opt_session_name; |
55cc08a6 | 38 | static int opt_kernel; |
d65106b1 | 39 | static int opt_userspace; |
e9492550 JG |
40 | static int opt_jul; |
41 | static int opt_log4j; | |
d78d6610 | 42 | static char *opt_type; |
89b72577 | 43 | |
d65106b1 DG |
44 | enum { |
45 | OPT_HELP = 1, | |
46 | OPT_TYPE, | |
eeac7d46 | 47 | OPT_USERSPACE, |
e9492550 JG |
48 | OPT_JUL, |
49 | OPT_LOG4J, | |
679b4943 | 50 | OPT_LIST_OPTIONS, |
83cea427 | 51 | OPT_LIST, |
d65106b1 DG |
52 | }; |
53 | ||
cd80958d | 54 | static struct lttng_handle *handle; |
89b72577 | 55 | static struct mi_writer *writer; |
cd80958d | 56 | |
90b9a268 DG |
57 | /* |
58 | * Taken from the LTTng ABI | |
59 | */ | |
60 | enum context_type { | |
61 | CONTEXT_PID = 0, | |
aa3514e9 | 62 | CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ |
95da1297 | 63 | CONTEXT_PROCNAME = 2, |
90b9a268 DG |
64 | CONTEXT_PRIO = 3, |
65 | CONTEXT_NICE = 4, | |
66 | CONTEXT_VPID = 5, | |
67 | CONTEXT_TID = 6, | |
68 | CONTEXT_VTID = 7, | |
69 | CONTEXT_PPID = 8, | |
70 | CONTEXT_VPPID = 9, | |
9197c5c4 | 71 | CONTEXT_PTHREAD_ID = 10, |
54773d68 | 72 | CONTEXT_HOSTNAME = 11, |
7c612c2e | 73 | CONTEXT_IP = 12, |
aa3514e9 MD |
74 | CONTEXT_PERF_CPU_COUNTER = 13, |
75 | CONTEXT_PERF_THREAD_COUNTER = 14, | |
e9492550 | 76 | CONTEXT_APP_CONTEXT = 15, |
1ae5e83e JD |
77 | CONTEXT_INTERRUPTIBLE = 16, |
78 | CONTEXT_PREEMPTIBLE = 17, | |
79 | CONTEXT_NEED_RESCHEDULE = 18, | |
80 | CONTEXT_MIGRATABLE = 19, | |
3301e740 DG |
81 | }; |
82 | ||
90b9a268 DG |
83 | /* |
84 | * Taken from the Perf ABI (all enum perf_*) | |
85 | */ | |
86 | enum perf_type { | |
87 | PERF_TYPE_HARDWARE = 0, | |
88 | PERF_TYPE_SOFTWARE = 1, | |
b13d56d7 | 89 | PERF_TYPE_HW_CACHE = 3, |
3301e740 DG |
90 | }; |
91 | ||
90b9a268 | 92 | enum perf_count_hard { |
b13d56d7 MD |
93 | PERF_COUNT_HW_CPU_CYCLES = 0, |
94 | PERF_COUNT_HW_INSTRUCTIONS = 1, | |
95 | PERF_COUNT_HW_CACHE_REFERENCES = 2, | |
96 | PERF_COUNT_HW_CACHE_MISSES = 3, | |
97 | PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, | |
98 | PERF_COUNT_HW_BRANCH_MISSES = 5, | |
99 | PERF_COUNT_HW_BUS_CYCLES = 6, | |
100 | PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7, | |
101 | PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8, | |
90b9a268 DG |
102 | }; |
103 | ||
104 | enum perf_count_soft { | |
105 | PERF_COUNT_SW_CPU_CLOCK = 0, | |
106 | PERF_COUNT_SW_TASK_CLOCK = 1, | |
107 | PERF_COUNT_SW_PAGE_FAULTS = 2, | |
108 | PERF_COUNT_SW_CONTEXT_SWITCHES = 3, | |
109 | PERF_COUNT_SW_CPU_MIGRATIONS = 4, | |
110 | PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, | |
111 | PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, | |
112 | PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, | |
113 | PERF_COUNT_SW_EMULATION_FAULTS = 8, | |
3301e740 DG |
114 | }; |
115 | ||
b13d56d7 MD |
116 | /* |
117 | * Generalized hardware cache events: | |
118 | * | |
119 | * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x | |
120 | * { read, write, prefetch } x | |
121 | * { accesses, misses } | |
122 | */ | |
123 | enum perf_hw_cache_id { | |
124 | PERF_COUNT_HW_CACHE_L1D = 0, | |
125 | PERF_COUNT_HW_CACHE_L1I = 1, | |
126 | PERF_COUNT_HW_CACHE_LL = 2, | |
127 | PERF_COUNT_HW_CACHE_DTLB = 3, | |
128 | PERF_COUNT_HW_CACHE_ITLB = 4, | |
129 | PERF_COUNT_HW_CACHE_BPU = 5, | |
130 | ||
131 | PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ | |
132 | }; | |
133 | ||
134 | enum perf_hw_cache_op_id { | |
135 | PERF_COUNT_HW_CACHE_OP_READ = 0, | |
136 | PERF_COUNT_HW_CACHE_OP_WRITE = 1, | |
137 | PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, | |
138 | ||
139 | PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ | |
140 | }; | |
141 | ||
142 | enum perf_hw_cache_op_result_id { | |
143 | PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, | |
144 | PERF_COUNT_HW_CACHE_RESULT_MISS = 1, | |
145 | ||
146 | PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ | |
147 | }; | |
148 | ||
d65106b1 DG |
149 | static struct poptOption long_options[] = { |
150 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
151 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 152 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
d65106b1 | 153 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
d65106b1 | 154 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 | 155 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
e9492550 JG |
156 | {"jul", 'j', POPT_ARG_NONE, 0, OPT_JUL, 0, 0}, |
157 | {"log4j", 'l', POPT_ARG_NONE, 0, OPT_LOG4J, 0, 0}, | |
6caa2bcc | 158 | {"type", 't', POPT_ARG_STRING, &opt_type, OPT_TYPE, 0, 0}, |
83cea427 | 159 | {"list", 0, POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL}, |
679b4943 | 160 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
d65106b1 DG |
161 | {0, 0, 0, 0, 0, 0, 0} |
162 | }; | |
163 | ||
90b9a268 | 164 | /* |
b13d56d7 | 165 | * Context options |
90b9a268 | 166 | */ |
aa3514e9 | 167 | #define PERF_HW(optstr, name, type, hide) \ |
b13d56d7 | 168 | { \ |
aa3514e9 | 169 | optstr, type, hide, \ |
b13d56d7 MD |
170 | .u.perf = { PERF_TYPE_HARDWARE, PERF_COUNT_HW_##name, },\ |
171 | } | |
90b9a268 | 172 | |
aa3514e9 | 173 | #define PERF_SW(optstr, name, type, hide) \ |
b13d56d7 | 174 | { \ |
aa3514e9 | 175 | optstr, type, hide, \ |
b13d56d7 MD |
176 | .u.perf = { PERF_TYPE_SOFTWARE, PERF_COUNT_SW_##name, },\ |
177 | } | |
90b9a268 | 178 | |
aa3514e9 | 179 | #define _PERF_HW_CACHE(optstr, name, type, op, result, hide) \ |
b13d56d7 | 180 | { \ |
aa3514e9 | 181 | optstr, type, hide, \ |
b13d56d7 MD |
182 | .u.perf = { \ |
183 | PERF_TYPE_HW_CACHE, \ | |
184 | (uint64_t) PERF_COUNT_HW_CACHE_##name \ | |
18829107 MD |
185 | | ((uint64_t) PERF_COUNT_HW_CACHE_OP_##op << 8) \ |
186 | | ((uint64_t) PERF_COUNT_HW_CACHE_RESULT_##result << 16), \ | |
b13d56d7 MD |
187 | }, \ |
188 | } | |
189 | ||
aa3514e9 MD |
190 | #define PERF_HW_CACHE(optstr, name, type, hide) \ |
191 | _PERF_HW_CACHE(optstr "-loads", name, type, \ | |
192 | READ, ACCESS, hide), \ | |
193 | _PERF_HW_CACHE(optstr "-load-misses", name, type, \ | |
194 | READ, MISS, hide), \ | |
195 | _PERF_HW_CACHE(optstr "-stores", name, type, \ | |
196 | WRITE, ACCESS, hide), \ | |
197 | _PERF_HW_CACHE(optstr "-store-misses", name, type, \ | |
198 | WRITE, MISS, hide), \ | |
199 | _PERF_HW_CACHE(optstr "-prefetches", name, type, \ | |
200 | PREFETCH, ACCESS, hide), \ | |
201 | _PERF_HW_CACHE(optstr "-prefetch-misses", name, type, \ | |
202 | PREFETCH, MISS, hide) | |
b13d56d7 MD |
203 | |
204 | static | |
205 | const struct ctx_opts { | |
90b9a268 | 206 | char *symbol; |
b13d56d7 | 207 | enum context_type ctx_type; |
aa3514e9 | 208 | int hide_help; /* Hide from --help */ |
b13d56d7 MD |
209 | union { |
210 | struct { | |
211 | uint32_t type; | |
212 | uint64_t config; | |
213 | } perf; | |
e9492550 JG |
214 | struct { |
215 | char *provider_name; | |
216 | char *ctx_name; | |
217 | } app_ctx; | |
b13d56d7 MD |
218 | } u; |
219 | } ctx_opts[] = { | |
220 | { "pid", CONTEXT_PID }, | |
95da1297 | 221 | { "procname", CONTEXT_PROCNAME }, |
b13d56d7 MD |
222 | { "prio", CONTEXT_PRIO }, |
223 | { "nice", CONTEXT_NICE }, | |
224 | { "vpid", CONTEXT_VPID }, | |
225 | { "tid", CONTEXT_TID }, | |
9197c5c4 | 226 | { "pthread_id", CONTEXT_PTHREAD_ID }, |
b13d56d7 MD |
227 | { "vtid", CONTEXT_VTID }, |
228 | { "ppid", CONTEXT_PPID }, | |
229 | { "vppid", CONTEXT_VPPID }, | |
54773d68 | 230 | { "hostname", CONTEXT_HOSTNAME }, |
7c612c2e | 231 | { "ip", CONTEXT_IP }, |
1ae5e83e JD |
232 | { "interruptible", CONTEXT_INTERRUPTIBLE }, |
233 | { "preemptible", CONTEXT_PREEMPTIBLE }, | |
234 | { "need_reschedule", CONTEXT_NEED_RESCHEDULE }, | |
235 | { "migratable", CONTEXT_MIGRATABLE }, | |
aa3514e9 | 236 | |
b13d56d7 | 237 | /* Perf options */ |
aa3514e9 MD |
238 | |
239 | /* Perf per-CPU counters */ | |
240 | PERF_HW("perf:cpu:cpu-cycles", CPU_CYCLES, | |
241 | CONTEXT_PERF_CPU_COUNTER, 0), | |
242 | PERF_HW("perf:cpu:cycles", CPU_CYCLES, | |
243 | CONTEXT_PERF_CPU_COUNTER, 0), | |
244 | PERF_HW("perf:cpu:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
245 | CONTEXT_PERF_CPU_COUNTER, 0), | |
246 | PERF_HW("perf:cpu:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
247 | CONTEXT_PERF_CPU_COUNTER, 0), | |
248 | PERF_HW("perf:cpu:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
249 | CONTEXT_PERF_CPU_COUNTER, 0), | |
250 | PERF_HW("perf:cpu:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
251 | CONTEXT_PERF_CPU_COUNTER, 0), | |
252 | PERF_HW("perf:cpu:instructions", INSTRUCTIONS, | |
253 | CONTEXT_PERF_CPU_COUNTER, 0), | |
254 | PERF_HW("perf:cpu:cache-references", CACHE_REFERENCES, | |
255 | CONTEXT_PERF_CPU_COUNTER, 0), | |
256 | PERF_HW("perf:cpu:cache-misses", CACHE_MISSES, | |
257 | CONTEXT_PERF_CPU_COUNTER, 0), | |
258 | PERF_HW("perf:cpu:branch-instructions", BRANCH_INSTRUCTIONS, | |
259 | CONTEXT_PERF_CPU_COUNTER, 0), | |
260 | PERF_HW("perf:cpu:branches", BRANCH_INSTRUCTIONS, | |
261 | CONTEXT_PERF_CPU_COUNTER, 0), | |
262 | PERF_HW("perf:cpu:branch-misses", BRANCH_MISSES, | |
263 | CONTEXT_PERF_CPU_COUNTER, 0), | |
264 | PERF_HW("perf:cpu:bus-cycles", BUS_CYCLES, | |
265 | CONTEXT_PERF_CPU_COUNTER, 0), | |
266 | ||
267 | PERF_HW_CACHE("perf:cpu:L1-dcache", L1D, | |
268 | CONTEXT_PERF_CPU_COUNTER, 0), | |
269 | PERF_HW_CACHE("perf:cpu:L1-icache", L1I, | |
270 | CONTEXT_PERF_CPU_COUNTER, 0), | |
271 | PERF_HW_CACHE("perf:cpu:LLC", LL, | |
272 | CONTEXT_PERF_CPU_COUNTER, 0), | |
273 | PERF_HW_CACHE("perf:cpu:dTLB", DTLB, | |
274 | CONTEXT_PERF_CPU_COUNTER, 0), | |
275 | _PERF_HW_CACHE("perf:cpu:iTLB-loads", ITLB, | |
276 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
277 | _PERF_HW_CACHE("perf:cpu:iTLB-load-misses", ITLB, | |
278 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
279 | _PERF_HW_CACHE("perf:cpu:branch-loads", BPU, | |
280 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
281 | _PERF_HW_CACHE("perf:cpu:branch-load-misses", BPU, | |
282 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
283 | ||
284 | PERF_SW("perf:cpu:cpu-clock", CPU_CLOCK, | |
285 | CONTEXT_PERF_CPU_COUNTER, 0), | |
286 | PERF_SW("perf:cpu:task-clock", TASK_CLOCK, | |
287 | CONTEXT_PERF_CPU_COUNTER, 0), | |
288 | PERF_SW("perf:cpu:page-fault", PAGE_FAULTS, | |
289 | CONTEXT_PERF_CPU_COUNTER, 0), | |
290 | PERF_SW("perf:cpu:faults", PAGE_FAULTS, | |
291 | CONTEXT_PERF_CPU_COUNTER, 0), | |
292 | PERF_SW("perf:cpu:major-faults", PAGE_FAULTS_MAJ, | |
293 | CONTEXT_PERF_CPU_COUNTER, 0), | |
294 | PERF_SW("perf:cpu:minor-faults", PAGE_FAULTS_MIN, | |
295 | CONTEXT_PERF_CPU_COUNTER, 0), | |
296 | PERF_SW("perf:cpu:context-switches", CONTEXT_SWITCHES, | |
297 | CONTEXT_PERF_CPU_COUNTER, 0), | |
298 | PERF_SW("perf:cpu:cs", CONTEXT_SWITCHES, | |
299 | CONTEXT_PERF_CPU_COUNTER, 0), | |
300 | PERF_SW("perf:cpu:cpu-migrations", CPU_MIGRATIONS, | |
301 | CONTEXT_PERF_CPU_COUNTER, 0), | |
302 | PERF_SW("perf:cpu:migrations", CPU_MIGRATIONS, | |
303 | CONTEXT_PERF_CPU_COUNTER, 0), | |
304 | PERF_SW("perf:cpu:alignment-faults", ALIGNMENT_FAULTS, | |
305 | CONTEXT_PERF_CPU_COUNTER, 0), | |
306 | PERF_SW("perf:cpu:emulation-faults", EMULATION_FAULTS, | |
307 | CONTEXT_PERF_CPU_COUNTER, 0), | |
308 | ||
309 | /* Perf per-thread counters */ | |
310 | PERF_HW("perf:thread:cpu-cycles", CPU_CYCLES, | |
311 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
312 | PERF_HW("perf:thread:cycles", CPU_CYCLES, | |
313 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
314 | PERF_HW("perf:thread:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
315 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
316 | PERF_HW("perf:thread:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
317 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
318 | PERF_HW("perf:thread:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
319 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
320 | PERF_HW("perf:thread:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
321 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
322 | PERF_HW("perf:thread:instructions", INSTRUCTIONS, | |
323 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
324 | PERF_HW("perf:thread:cache-references", CACHE_REFERENCES, | |
325 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
326 | PERF_HW("perf:thread:cache-misses", CACHE_MISSES, | |
327 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
328 | PERF_HW("perf:thread:branch-instructions", BRANCH_INSTRUCTIONS, | |
329 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
330 | PERF_HW("perf:thread:branches", BRANCH_INSTRUCTIONS, | |
331 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
332 | PERF_HW("perf:thread:branch-misses", BRANCH_MISSES, | |
333 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
334 | PERF_HW("perf:thread:bus-cycles", BUS_CYCLES, | |
335 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
336 | ||
337 | PERF_HW_CACHE("perf:thread:L1-dcache", L1D, | |
338 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
339 | PERF_HW_CACHE("perf:thread:L1-icache", L1I, | |
340 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
341 | PERF_HW_CACHE("perf:thread:LLC", LL, | |
342 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
343 | PERF_HW_CACHE("perf:thread:dTLB", DTLB, | |
344 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
345 | _PERF_HW_CACHE("perf:thread:iTLB-loads", ITLB, | |
346 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
347 | _PERF_HW_CACHE("perf:thread:iTLB-load-misses", ITLB, | |
348 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
349 | _PERF_HW_CACHE("perf:thread:branch-loads", BPU, | |
350 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
351 | _PERF_HW_CACHE("perf:thread:branch-load-misses", BPU, | |
352 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
353 | ||
354 | PERF_SW("perf:thread:cpu-clock", CPU_CLOCK, | |
355 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
356 | PERF_SW("perf:thread:task-clock", TASK_CLOCK, | |
357 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
358 | PERF_SW("perf:thread:page-fault", PAGE_FAULTS, | |
359 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
360 | PERF_SW("perf:thread:faults", PAGE_FAULTS, | |
361 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
362 | PERF_SW("perf:thread:major-faults", PAGE_FAULTS_MAJ, | |
363 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
364 | PERF_SW("perf:thread:minor-faults", PAGE_FAULTS_MIN, | |
365 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
366 | PERF_SW("perf:thread:context-switches", CONTEXT_SWITCHES, | |
367 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
368 | PERF_SW("perf:thread:cs", CONTEXT_SWITCHES, | |
369 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
370 | PERF_SW("perf:thread:cpu-migrations", CPU_MIGRATIONS, | |
371 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
372 | PERF_SW("perf:thread:migrations", CPU_MIGRATIONS, | |
373 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
374 | PERF_SW("perf:thread:alignment-faults", ALIGNMENT_FAULTS, | |
375 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
376 | PERF_SW("perf:thread:emulation-faults", EMULATION_FAULTS, | |
377 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
378 | ||
379 | /* | |
380 | * Perf per-CPU counters, backward compatibilty for names. | |
381 | * Hidden from help listing. | |
382 | */ | |
383 | PERF_HW("perf:cpu-cycles", CPU_CYCLES, | |
384 | CONTEXT_PERF_COUNTER, 1), | |
385 | PERF_HW("perf:cycles", CPU_CYCLES, | |
386 | CONTEXT_PERF_COUNTER, 1), | |
387 | PERF_HW("perf:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
388 | CONTEXT_PERF_COUNTER, 1), | |
389 | PERF_HW("perf:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
390 | CONTEXT_PERF_COUNTER, 1), | |
391 | PERF_HW("perf:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
392 | CONTEXT_PERF_COUNTER, 1), | |
393 | PERF_HW("perf:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
394 | CONTEXT_PERF_COUNTER, 1), | |
395 | PERF_HW("perf:instructions", INSTRUCTIONS, | |
396 | CONTEXT_PERF_COUNTER, 1), | |
397 | PERF_HW("perf:cache-references", CACHE_REFERENCES, | |
398 | CONTEXT_PERF_COUNTER, 1), | |
399 | PERF_HW("perf:cache-misses", CACHE_MISSES, | |
400 | CONTEXT_PERF_COUNTER, 1), | |
401 | PERF_HW("perf:branch-instructions", BRANCH_INSTRUCTIONS, | |
402 | CONTEXT_PERF_COUNTER, 1), | |
403 | PERF_HW("perf:branches", BRANCH_INSTRUCTIONS, | |
404 | CONTEXT_PERF_COUNTER, 1), | |
405 | PERF_HW("perf:branch-misses", BRANCH_MISSES, | |
406 | CONTEXT_PERF_COUNTER, 1), | |
407 | PERF_HW("perf:bus-cycles", BUS_CYCLES, | |
408 | CONTEXT_PERF_COUNTER, 1), | |
409 | ||
410 | PERF_HW_CACHE("perf:L1-dcache", L1D, | |
411 | CONTEXT_PERF_COUNTER, 1), | |
412 | PERF_HW_CACHE("perf:L1-icache", L1I, | |
413 | CONTEXT_PERF_COUNTER, 1), | |
414 | PERF_HW_CACHE("perf:LLC", LL, | |
415 | CONTEXT_PERF_COUNTER, 1), | |
416 | PERF_HW_CACHE("perf:dTLB", DTLB, | |
417 | CONTEXT_PERF_COUNTER, 1), | |
418 | _PERF_HW_CACHE("perf:iTLB-loads", ITLB, | |
419 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
420 | _PERF_HW_CACHE("perf:iTLB-load-misses", ITLB, | |
421 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
422 | _PERF_HW_CACHE("perf:branch-loads", BPU, | |
423 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
424 | _PERF_HW_CACHE("perf:branch-load-misses", BPU, | |
425 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
426 | ||
427 | PERF_SW("perf:cpu-clock", CPU_CLOCK, | |
428 | CONTEXT_PERF_COUNTER, 1), | |
429 | PERF_SW("perf:task-clock", TASK_CLOCK, | |
430 | CONTEXT_PERF_COUNTER, 1), | |
431 | PERF_SW("perf:page-fault", PAGE_FAULTS, | |
432 | CONTEXT_PERF_COUNTER, 1), | |
433 | PERF_SW("perf:faults", PAGE_FAULTS, | |
434 | CONTEXT_PERF_COUNTER, 1), | |
435 | PERF_SW("perf:major-faults", PAGE_FAULTS_MAJ, | |
436 | CONTEXT_PERF_COUNTER, 1), | |
437 | PERF_SW("perf:minor-faults", PAGE_FAULTS_MIN, | |
438 | CONTEXT_PERF_COUNTER, 1), | |
439 | PERF_SW("perf:context-switches", CONTEXT_SWITCHES, | |
440 | CONTEXT_PERF_COUNTER, 1), | |
441 | PERF_SW("perf:cs", CONTEXT_SWITCHES, | |
442 | CONTEXT_PERF_COUNTER, 1), | |
443 | PERF_SW("perf:cpu-migrations", CPU_MIGRATIONS, | |
444 | CONTEXT_PERF_COUNTER, 1), | |
445 | PERF_SW("perf:migrations", CPU_MIGRATIONS, | |
446 | CONTEXT_PERF_COUNTER, 1), | |
447 | PERF_SW("perf:alignment-faults", ALIGNMENT_FAULTS, | |
448 | CONTEXT_PERF_COUNTER, 1), | |
449 | PERF_SW("perf:emulation-faults", EMULATION_FAULTS, | |
450 | CONTEXT_PERF_COUNTER, 1), | |
451 | ||
b13d56d7 | 452 | { NULL, -1 }, /* Closure */ |
90b9a268 DG |
453 | }; |
454 | ||
aa3514e9 MD |
455 | #undef PERF_HW_CACHE |
456 | #undef _PERF_HW_CACHE | |
b13d56d7 MD |
457 | #undef PERF_SW |
458 | #undef PERF_HW | |
459 | ||
90b9a268 | 460 | /* |
b13d56d7 | 461 | * Context type for command line option parsing. |
90b9a268 | 462 | */ |
b13d56d7 | 463 | struct ctx_type { |
e9492550 | 464 | struct ctx_opts *opt; |
b13d56d7 | 465 | struct cds_list_head list; |
90b9a268 DG |
466 | }; |
467 | ||
468 | /* | |
469 | * List of context type. Use to enable multiple context on a single command | |
470 | * line entry. | |
471 | */ | |
472 | struct ctx_type_list { | |
473 | struct cds_list_head head; | |
474 | } ctx_type_list = { | |
475 | .head = CDS_LIST_HEAD_INIT(ctx_type_list.head), | |
476 | }; | |
477 | ||
90b9a268 DG |
478 | /* |
479 | * Pretty print context type. | |
480 | */ | |
481 | static void print_ctx_type(FILE *ofp) | |
482 | { | |
83cea427 | 483 | int i = 0; |
90b9a268 | 484 | |
90b9a268 | 485 | while (ctx_opts[i].symbol != NULL) { |
aa3514e9 | 486 | if (!ctx_opts[i].hide_help) { |
83cea427 | 487 | fprintf(ofp, "%s\n", ctx_opts[i].symbol); |
90b9a268 DG |
488 | } |
489 | i++; | |
490 | } | |
90b9a268 DG |
491 | } |
492 | ||
90b9a268 DG |
493 | /* |
494 | * Find context numerical value from string. | |
e9492550 JG |
495 | * |
496 | * Return -1 if not found. | |
90b9a268 DG |
497 | */ |
498 | static int find_ctx_type_idx(const char *opt) | |
499 | { | |
e9492550 | 500 | int ret, i = 0; |
90b9a268 DG |
501 | |
502 | while (ctx_opts[i].symbol != NULL) { | |
503 | if (strcmp(opt, ctx_opts[i].symbol) == 0) { | |
504 | ret = i; | |
505 | goto end; | |
506 | } | |
507 | i++; | |
508 | } | |
509 | ||
e9492550 | 510 | ret = -1; |
90b9a268 DG |
511 | end: |
512 | return ret; | |
513 | } | |
514 | ||
e9492550 JG |
515 | static |
516 | enum lttng_domain_type get_domain(void) | |
517 | { | |
518 | if (opt_kernel) { | |
519 | return LTTNG_DOMAIN_KERNEL; | |
520 | } else if (opt_userspace) { | |
521 | return LTTNG_DOMAIN_UST; | |
522 | } else if (opt_jul) { | |
523 | return LTTNG_DOMAIN_JUL; | |
524 | } else if (opt_log4j) { | |
525 | return LTTNG_DOMAIN_LOG4J; | |
526 | } else { | |
527 | assert(0); | |
528 | } | |
529 | } | |
530 | ||
90b9a268 DG |
531 | /* |
532 | * Add context to channel or event. | |
d65106b1 | 533 | */ |
cd80958d | 534 | static int add_context(char *session_name) |
d65106b1 | 535 | { |
89b72577 | 536 | int ret = CMD_SUCCESS, warn = 0, success = 0; |
7d29a247 DG |
537 | struct lttng_event_context context; |
538 | struct lttng_domain dom; | |
3301e740 | 539 | struct ctx_type *type; |
b13d56d7 | 540 | char *ptr; |
d65106b1 | 541 | |
441c16a7 MD |
542 | memset(&context, 0, sizeof(context)); |
543 | memset(&dom, 0, sizeof(dom)); | |
544 | ||
e9492550 | 545 | dom.type = get_domain(); |
cd80958d DG |
546 | handle = lttng_create_handle(session_name, &dom); |
547 | if (handle == NULL) { | |
af87c45a | 548 | ret = CMD_ERROR; |
cd80958d DG |
549 | goto error; |
550 | } | |
551 | ||
89b72577 JRJ |
552 | if (lttng_opt_mi) { |
553 | /* Open a contexts element */ | |
554 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
555 | if (ret) { | |
556 | goto error; | |
557 | } | |
558 | } | |
559 | ||
5eb00805 | 560 | /* Iterate over all the context types given */ |
3301e740 | 561 | cds_list_for_each_entry(type, &ctx_type_list.head, list) { |
6775595e | 562 | context.ctx = (enum lttng_event_context_type) type->opt->ctx_type; |
aa3514e9 MD |
563 | switch (context.ctx) { |
564 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
565 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
566 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
b13d56d7 MD |
567 | context.u.perf_counter.type = type->opt->u.perf.type; |
568 | context.u.perf_counter.config = type->opt->u.perf.config; | |
24546386 MD |
569 | strncpy(context.u.perf_counter.name, type->opt->symbol, |
570 | LTTNG_SYMBOL_NAME_LEN); | |
571 | context.u.perf_counter.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
b13d56d7 MD |
572 | /* Replace : and - by _ */ |
573 | while ((ptr = strchr(context.u.perf_counter.name, '-')) != NULL) { | |
574 | *ptr = '_'; | |
3301e740 | 575 | } |
b13d56d7 MD |
576 | while ((ptr = strchr(context.u.perf_counter.name, ':')) != NULL) { |
577 | *ptr = '_'; | |
3301e740 | 578 | } |
aa3514e9 | 579 | break; |
e9492550 JG |
580 | case LTTNG_EVENT_CONTEXT_APP_CONTEXT: |
581 | context.u.app_ctx.provider_name = | |
582 | type->opt->u.app_ctx.provider_name; | |
583 | context.u.app_ctx.ctx_name = | |
584 | type->opt->u.app_ctx.ctx_name; | |
585 | break; | |
aa3514e9 MD |
586 | default: |
587 | break; | |
3301e740 | 588 | } |
55cc08a6 DG |
589 | DBG("Adding context..."); |
590 | ||
89b72577 JRJ |
591 | if (lttng_opt_mi) { |
592 | /* We leave context open the update the success of the command */ | |
593 | ret = mi_lttng_context(writer, &context, 1); | |
594 | if (ret) { | |
595 | ret = CMD_ERROR; | |
596 | goto error; | |
597 | } | |
598 | } | |
599 | ||
601d5acf | 600 | ret = lttng_add_context(handle, &context, NULL, opt_channel_name); |
55cc08a6 | 601 | if (ret < 0) { |
b58471ff | 602 | ERR("%s: %s", type->opt->symbol, lttng_strerror(ret)); |
d16c1a4c | 603 | warn = 1; |
89b72577 | 604 | success = 0; |
d65106b1 | 605 | } else { |
601d5acf | 606 | if (opt_channel_name) { |
b58471ff | 607 | MSG("%s context %s added to channel %s", |
a818873a | 608 | get_domain_str(dom.type), type->opt->symbol, |
b58471ff | 609 | opt_channel_name); |
b58471ff DG |
610 | } else { |
611 | MSG("%s context %s added to all channels", | |
cb1ce0aa | 612 | get_domain_str(dom.type), type->opt->symbol); |
b58471ff | 613 | } |
89b72577 JRJ |
614 | success = 1; |
615 | } | |
616 | ||
617 | if (lttng_opt_mi) { | |
618 | /* Is the single operation a success ? */ | |
619 | ret = mi_lttng_writer_write_element_bool(writer, | |
620 | mi_lttng_element_success, success); | |
621 | if (ret) { | |
622 | ret = CMD_ERROR; | |
623 | goto error; | |
624 | } | |
625 | ||
626 | /* Close the context element */ | |
627 | ret = mi_lttng_writer_close_element(writer); | |
628 | if (ret) { | |
629 | ret = CMD_ERROR; | |
630 | goto error; | |
631 | } | |
632 | } | |
633 | } | |
634 | ||
635 | if (lttng_opt_mi) { | |
636 | /* Close contexts element */ | |
637 | ret = mi_lttng_writer_close_element(writer); | |
638 | if (ret) { | |
639 | goto error; | |
d65106b1 | 640 | } |
d65106b1 DG |
641 | } |
642 | ||
af87c45a DG |
643 | ret = CMD_SUCCESS; |
644 | ||
d65106b1 | 645 | error: |
cd80958d DG |
646 | lttng_destroy_handle(handle); |
647 | ||
d16c1a4c DG |
648 | /* |
649 | * This means that at least one add_context failed and tells the user to | |
650 | * look on stderr for error(s). | |
651 | */ | |
89b72577 | 652 | if (!ret && warn) { |
d16c1a4c DG |
653 | ret = CMD_WARNING; |
654 | } | |
d65106b1 DG |
655 | return ret; |
656 | } | |
657 | ||
e9492550 JG |
658 | static |
659 | void destroy_ctx_type(struct ctx_type *type) | |
660 | { | |
661 | if (!type) { | |
662 | return; | |
663 | } | |
e74bc0ba JR |
664 | if (type->opt) { |
665 | free(type->opt->symbol); | |
666 | } | |
e9492550 JG |
667 | free(type->opt); |
668 | free(type); | |
669 | } | |
670 | ||
671 | static | |
672 | struct ctx_type *create_ctx_type(void) | |
673 | { | |
674 | struct ctx_type *type = zmalloc(sizeof(*type)); | |
675 | ||
676 | if (!type) { | |
677 | PERROR("malloc ctx_type"); | |
678 | goto end; | |
679 | } | |
680 | ||
681 | type->opt = zmalloc(sizeof(*type->opt)); | |
682 | if (!type->opt) { | |
683 | PERROR("malloc ctx_type options"); | |
684 | destroy_ctx_type(type); | |
8e32b63b | 685 | type = NULL; |
e9492550 JG |
686 | goto end; |
687 | } | |
688 | end: | |
689 | return type; | |
690 | } | |
691 | ||
692 | static | |
693 | struct ctx_type *get_context_type(const char *ctx) | |
694 | { | |
695 | int opt_index; | |
696 | struct ctx_type *type = NULL; | |
697 | const char app_ctx_prefix[] = "$app."; | |
698 | char *provider_name = NULL, *ctx_name = NULL; | |
699 | size_t i, len, colon_pos = 0, provider_name_len, ctx_name_len; | |
700 | ||
701 | if (!ctx) { | |
702 | goto not_found; | |
703 | } | |
704 | ||
705 | type = create_ctx_type(); | |
706 | if (!type) { | |
707 | goto not_found; | |
708 | } | |
709 | ||
710 | /* Check if ctx matches a known static context. */ | |
711 | opt_index = find_ctx_type_idx(ctx); | |
712 | if (opt_index >= 0) { | |
713 | *type->opt = ctx_opts[opt_index]; | |
714 | type->opt->symbol = strdup(ctx_opts[opt_index].symbol); | |
715 | goto found; | |
716 | } | |
717 | ||
718 | /* | |
719 | * No match found against static contexts; check if it is an app | |
720 | * context. | |
721 | */ | |
722 | len = strlen(ctx); | |
723 | if (len <= sizeof(app_ctx_prefix) - 1) { | |
724 | goto not_found; | |
725 | } | |
726 | ||
727 | /* String starts with $app. */ | |
728 | if (strncmp(ctx, app_ctx_prefix, sizeof(app_ctx_prefix) - 1)) { | |
729 | goto not_found; | |
730 | } | |
731 | ||
732 | /* Validate that the ':' separator is present. */ | |
733 | for (i = sizeof(app_ctx_prefix); i < len; i++) { | |
734 | const char c = ctx[i]; | |
735 | ||
736 | if (c == ':') { | |
737 | colon_pos = i; | |
738 | break; | |
739 | } | |
740 | } | |
741 | ||
742 | /* | |
743 | * No colon found or no ctx name ("$app.provider:") or no provider name | |
744 | * given ("$app.:..."), which is invalid. | |
745 | */ | |
746 | if (!colon_pos || colon_pos == len || | |
747 | colon_pos == sizeof(app_ctx_prefix)) { | |
748 | ERR("Invalid application context provided: no provider or context name provided."); | |
749 | goto not_found; | |
750 | } | |
751 | ||
752 | provider_name_len = colon_pos - sizeof(app_ctx_prefix) + 2; | |
753 | provider_name = zmalloc(provider_name_len); | |
754 | if (!provider_name) { | |
755 | PERROR("malloc provider_name"); | |
756 | goto not_found; | |
757 | } | |
758 | strncpy(provider_name, ctx + sizeof(app_ctx_prefix) - 1, | |
759 | provider_name_len - 1); | |
760 | type->opt->u.app_ctx.provider_name = provider_name; | |
761 | ||
762 | ctx_name_len = len - colon_pos; | |
763 | ctx_name = zmalloc(ctx_name_len); | |
764 | if (!ctx_name) { | |
765 | PERROR("malloc ctx_name"); | |
766 | goto not_found; | |
767 | } | |
768 | strncpy(ctx_name, ctx + colon_pos + 1, ctx_name_len - 1); | |
769 | type->opt->u.app_ctx.ctx_name = ctx_name; | |
770 | type->opt->ctx_type = CONTEXT_APP_CONTEXT; | |
771 | type->opt->symbol = strdup(ctx); | |
772 | found: | |
773 | return type; | |
774 | not_found: | |
775 | free(provider_name); | |
776 | free(ctx_name); | |
777 | destroy_ctx_type(type); | |
778 | return NULL; | |
779 | } | |
780 | ||
d65106b1 | 781 | /* |
5eb00805 | 782 | * Add context to channel or event. |
d65106b1 DG |
783 | */ |
784 | int cmd_add_context(int argc, const char **argv) | |
785 | { | |
e9492550 | 786 | int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
89b72577 | 787 | int success = 1; |
d65106b1 | 788 | static poptContext pc; |
b13d56d7 | 789 | struct ctx_type *type, *tmptype; |
cd80958d | 790 | char *session_name = NULL; |
d65106b1 | 791 | |
636167b6 | 792 | if (argc < 2) { |
5eb00805 | 793 | ret = CMD_ERROR; |
636167b6 DG |
794 | goto end; |
795 | } | |
796 | ||
d65106b1 DG |
797 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
798 | poptReadDefaultConfig(pc, 0); | |
799 | ||
800 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
801 | switch (opt) { | |
802 | case OPT_HELP: | |
4ba92f18 | 803 | SHOW_HELP(); |
d65106b1 | 804 | goto end; |
83cea427 PP |
805 | case OPT_LIST: |
806 | print_ctx_type(stdout); | |
807 | goto end; | |
d65106b1 | 808 | case OPT_TYPE: |
e9492550 JG |
809 | { |
810 | type = get_context_type(opt_type); | |
811 | if (!type) { | |
6caa2bcc | 812 | ERR("Unknown context type %s", opt_type); |
5eb00805 TD |
813 | ret = CMD_FATAL; |
814 | goto end; | |
815 | } | |
e9492550 | 816 | cds_list_add_tail(&type->list, &ctx_type_list.head); |
d65106b1 | 817 | break; |
e9492550 | 818 | } |
eeac7d46 MD |
819 | case OPT_USERSPACE: |
820 | opt_userspace = 1; | |
eeac7d46 | 821 | break; |
e9492550 JG |
822 | case OPT_JUL: |
823 | opt_jul = 1; | |
824 | break; | |
825 | case OPT_LOG4J: | |
826 | opt_log4j = 1; | |
827 | break; | |
679b4943 SM |
828 | case OPT_LIST_OPTIONS: |
829 | list_cmd_options(stdout, long_options); | |
679b4943 | 830 | goto end; |
d65106b1 | 831 | default: |
d65106b1 DG |
832 | ret = CMD_UNDEFINED; |
833 | goto end; | |
834 | } | |
835 | } | |
836 | ||
e9492550 JG |
837 | ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace + |
838 | opt_jul + opt_log4j); | |
3ecec76a PP |
839 | if (ret) { |
840 | ret = CMD_ERROR; | |
841 | goto end; | |
842 | } | |
843 | ||
ae856491 DG |
844 | if (!opt_type) { |
845 | ERR("Missing mandatory -t TYPE"); | |
ae856491 DG |
846 | ret = CMD_ERROR; |
847 | goto end; | |
848 | } | |
849 | ||
cd80958d DG |
850 | if (!opt_session_name) { |
851 | session_name = get_session_name(); | |
852 | if (session_name == NULL) { | |
5eb00805 | 853 | ret = CMD_ERROR; |
cd80958d DG |
854 | goto end; |
855 | } | |
856 | } else { | |
857 | session_name = opt_session_name; | |
858 | } | |
859 | ||
89b72577 JRJ |
860 | /* Mi check */ |
861 | if (lttng_opt_mi) { | |
862 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
863 | if (!writer) { | |
864 | ret = -LTTNG_ERR_NOMEM; | |
865 | goto end; | |
866 | } | |
867 | ||
868 | /* Open command element */ | |
869 | ret = mi_lttng_writer_command_open(writer, | |
870 | mi_lttng_element_command_add_context); | |
871 | if (ret) { | |
872 | ret = CMD_ERROR; | |
873 | goto end; | |
874 | } | |
875 | ||
876 | /* Open output element */ | |
877 | ret = mi_lttng_writer_open_element(writer, | |
878 | mi_lttng_element_command_output); | |
879 | if (ret) { | |
880 | ret = CMD_ERROR; | |
881 | goto end; | |
882 | } | |
883 | } | |
884 | ||
885 | command_ret = add_context(session_name); | |
886 | if (command_ret) { | |
887 | success = 0; | |
888 | } | |
889 | ||
890 | /* Mi closing */ | |
891 | if (lttng_opt_mi) { | |
892 | /* Close output element */ | |
893 | ret = mi_lttng_writer_close_element(writer); | |
894 | if (ret) { | |
895 | ret = CMD_ERROR; | |
896 | goto end; | |
897 | } | |
3301e740 | 898 | |
89b72577 JRJ |
899 | /* Success ? */ |
900 | ret = mi_lttng_writer_write_element_bool(writer, | |
901 | mi_lttng_element_command_success, success); | |
902 | if (ret) { | |
903 | ret = CMD_ERROR; | |
904 | goto end; | |
905 | } | |
906 | ||
907 | /* Command element close */ | |
908 | ret = mi_lttng_writer_command_close(writer); | |
909 | if (ret) { | |
910 | ret = CMD_ERROR; | |
911 | goto end; | |
912 | } | |
913 | } | |
914 | ||
915 | end: | |
1256f150 DT |
916 | if (!opt_session_name) { |
917 | free(session_name); | |
918 | } | |
919 | ||
89b72577 JRJ |
920 | /* Mi clean-up */ |
921 | if (writer && mi_lttng_writer_destroy(writer)) { | |
922 | /* Preserve original error code */ | |
923 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
924 | } | |
925 | ||
3301e740 | 926 | /* Cleanup allocated memory */ |
b13d56d7 | 927 | cds_list_for_each_entry_safe(type, tmptype, &ctx_type_list.head, list) { |
e9492550 | 928 | destroy_ctx_type(type); |
3301e740 DG |
929 | } |
930 | ||
89b72577 JRJ |
931 | /* Overwrite ret if an error occurred during add_context() */ |
932 | ret = command_ret ? command_ret : ret; | |
933 | ||
ca1c3607 | 934 | poptFreeContext(pc); |
d65106b1 DG |
935 | return ret; |
936 | } |