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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 | |
4fc83d94 PP |
44 | #ifdef LTTNG_EMBED_HELP |
45 | static const char help_msg[] = | |
46 | #include <lttng-add-context.1.h> | |
47 | ; | |
48 | #endif | |
49 | ||
d65106b1 DG |
50 | enum { |
51 | OPT_HELP = 1, | |
52 | OPT_TYPE, | |
eeac7d46 | 53 | OPT_USERSPACE, |
e9492550 JG |
54 | OPT_JUL, |
55 | OPT_LOG4J, | |
679b4943 | 56 | OPT_LIST_OPTIONS, |
83cea427 | 57 | OPT_LIST, |
d65106b1 DG |
58 | }; |
59 | ||
cd80958d | 60 | static struct lttng_handle *handle; |
89b72577 | 61 | static struct mi_writer *writer; |
cd80958d | 62 | |
90b9a268 DG |
63 | /* |
64 | * Taken from the LTTng ABI | |
65 | */ | |
66 | enum context_type { | |
67 | CONTEXT_PID = 0, | |
aa3514e9 | 68 | CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ |
95da1297 | 69 | CONTEXT_PROCNAME = 2, |
90b9a268 DG |
70 | CONTEXT_PRIO = 3, |
71 | CONTEXT_NICE = 4, | |
72 | CONTEXT_VPID = 5, | |
73 | CONTEXT_TID = 6, | |
74 | CONTEXT_VTID = 7, | |
75 | CONTEXT_PPID = 8, | |
76 | CONTEXT_VPPID = 9, | |
9197c5c4 | 77 | CONTEXT_PTHREAD_ID = 10, |
54773d68 | 78 | CONTEXT_HOSTNAME = 11, |
7c612c2e | 79 | CONTEXT_IP = 12, |
aa3514e9 MD |
80 | CONTEXT_PERF_CPU_COUNTER = 13, |
81 | CONTEXT_PERF_THREAD_COUNTER = 14, | |
e9492550 | 82 | CONTEXT_APP_CONTEXT = 15, |
1ae5e83e JD |
83 | CONTEXT_INTERRUPTIBLE = 16, |
84 | CONTEXT_PREEMPTIBLE = 17, | |
85 | CONTEXT_NEED_RESCHEDULE = 18, | |
86 | CONTEXT_MIGRATABLE = 19, | |
373148e9 FG |
87 | CONTEXT_CALLSTACK_KERNEL = 20, |
88 | CONTEXT_CALLSTACK_USER = 21, | |
40e14884 MJ |
89 | CONTEXT_CGROUP_NS = 22, |
90 | CONTEXT_IPC_NS = 23, | |
91 | CONTEXT_MNT_NS = 24, | |
92 | CONTEXT_NET_NS = 25, | |
93 | CONTEXT_PID_NS = 26, | |
94 | CONTEXT_USER_NS = 27, | |
95 | CONTEXT_UTS_NS = 28, | |
3301e740 DG |
96 | }; |
97 | ||
90b9a268 DG |
98 | /* |
99 | * Taken from the Perf ABI (all enum perf_*) | |
100 | */ | |
101 | enum perf_type { | |
102 | PERF_TYPE_HARDWARE = 0, | |
103 | PERF_TYPE_SOFTWARE = 1, | |
b13d56d7 | 104 | PERF_TYPE_HW_CACHE = 3, |
4fe444da | 105 | PERF_TYPE_RAW = 4, |
3301e740 DG |
106 | }; |
107 | ||
90b9a268 | 108 | enum perf_count_hard { |
b13d56d7 MD |
109 | PERF_COUNT_HW_CPU_CYCLES = 0, |
110 | PERF_COUNT_HW_INSTRUCTIONS = 1, | |
111 | PERF_COUNT_HW_CACHE_REFERENCES = 2, | |
112 | PERF_COUNT_HW_CACHE_MISSES = 3, | |
113 | PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, | |
114 | PERF_COUNT_HW_BRANCH_MISSES = 5, | |
115 | PERF_COUNT_HW_BUS_CYCLES = 6, | |
116 | PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7, | |
117 | PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8, | |
90b9a268 DG |
118 | }; |
119 | ||
120 | enum perf_count_soft { | |
121 | PERF_COUNT_SW_CPU_CLOCK = 0, | |
122 | PERF_COUNT_SW_TASK_CLOCK = 1, | |
123 | PERF_COUNT_SW_PAGE_FAULTS = 2, | |
124 | PERF_COUNT_SW_CONTEXT_SWITCHES = 3, | |
125 | PERF_COUNT_SW_CPU_MIGRATIONS = 4, | |
126 | PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, | |
127 | PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, | |
128 | PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, | |
129 | PERF_COUNT_SW_EMULATION_FAULTS = 8, | |
3301e740 DG |
130 | }; |
131 | ||
b13d56d7 MD |
132 | /* |
133 | * Generalized hardware cache events: | |
134 | * | |
135 | * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x | |
136 | * { read, write, prefetch } x | |
137 | * { accesses, misses } | |
138 | */ | |
139 | enum perf_hw_cache_id { | |
140 | PERF_COUNT_HW_CACHE_L1D = 0, | |
141 | PERF_COUNT_HW_CACHE_L1I = 1, | |
142 | PERF_COUNT_HW_CACHE_LL = 2, | |
143 | PERF_COUNT_HW_CACHE_DTLB = 3, | |
144 | PERF_COUNT_HW_CACHE_ITLB = 4, | |
145 | PERF_COUNT_HW_CACHE_BPU = 5, | |
146 | ||
147 | PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ | |
148 | }; | |
149 | ||
150 | enum perf_hw_cache_op_id { | |
151 | PERF_COUNT_HW_CACHE_OP_READ = 0, | |
152 | PERF_COUNT_HW_CACHE_OP_WRITE = 1, | |
153 | PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, | |
154 | ||
155 | PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ | |
156 | }; | |
157 | ||
158 | enum perf_hw_cache_op_result_id { | |
159 | PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, | |
160 | PERF_COUNT_HW_CACHE_RESULT_MISS = 1, | |
161 | ||
162 | PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ | |
163 | }; | |
164 | ||
d65106b1 DG |
165 | static struct poptOption long_options[] = { |
166 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
167 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 168 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
d65106b1 | 169 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
d65106b1 | 170 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 | 171 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
e9492550 JG |
172 | {"jul", 'j', POPT_ARG_NONE, 0, OPT_JUL, 0, 0}, |
173 | {"log4j", 'l', POPT_ARG_NONE, 0, OPT_LOG4J, 0, 0}, | |
6caa2bcc | 174 | {"type", 't', POPT_ARG_STRING, &opt_type, OPT_TYPE, 0, 0}, |
83cea427 | 175 | {"list", 0, POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL}, |
679b4943 | 176 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
d65106b1 DG |
177 | {0, 0, 0, 0, 0, 0, 0} |
178 | }; | |
179 | ||
90b9a268 | 180 | /* |
b13d56d7 | 181 | * Context options |
90b9a268 | 182 | */ |
aa3514e9 | 183 | #define PERF_HW(optstr, name, type, hide) \ |
b13d56d7 | 184 | { \ |
aa3514e9 | 185 | optstr, type, hide, \ |
b13d56d7 MD |
186 | .u.perf = { PERF_TYPE_HARDWARE, PERF_COUNT_HW_##name, },\ |
187 | } | |
90b9a268 | 188 | |
aa3514e9 | 189 | #define PERF_SW(optstr, name, type, hide) \ |
b13d56d7 | 190 | { \ |
aa3514e9 | 191 | optstr, type, hide, \ |
b13d56d7 MD |
192 | .u.perf = { PERF_TYPE_SOFTWARE, PERF_COUNT_SW_##name, },\ |
193 | } | |
90b9a268 | 194 | |
aa3514e9 | 195 | #define _PERF_HW_CACHE(optstr, name, type, op, result, hide) \ |
b13d56d7 | 196 | { \ |
aa3514e9 | 197 | optstr, type, hide, \ |
b13d56d7 MD |
198 | .u.perf = { \ |
199 | PERF_TYPE_HW_CACHE, \ | |
200 | (uint64_t) PERF_COUNT_HW_CACHE_##name \ | |
18829107 MD |
201 | | ((uint64_t) PERF_COUNT_HW_CACHE_OP_##op << 8) \ |
202 | | ((uint64_t) PERF_COUNT_HW_CACHE_RESULT_##result << 16), \ | |
b13d56d7 MD |
203 | }, \ |
204 | } | |
205 | ||
aa3514e9 MD |
206 | #define PERF_HW_CACHE(optstr, name, type, hide) \ |
207 | _PERF_HW_CACHE(optstr "-loads", name, type, \ | |
208 | READ, ACCESS, hide), \ | |
209 | _PERF_HW_CACHE(optstr "-load-misses", name, type, \ | |
210 | READ, MISS, hide), \ | |
211 | _PERF_HW_CACHE(optstr "-stores", name, type, \ | |
212 | WRITE, ACCESS, hide), \ | |
213 | _PERF_HW_CACHE(optstr "-store-misses", name, type, \ | |
214 | WRITE, MISS, hide), \ | |
215 | _PERF_HW_CACHE(optstr "-prefetches", name, type, \ | |
216 | PREFETCH, ACCESS, hide), \ | |
217 | _PERF_HW_CACHE(optstr "-prefetch-misses", name, type, \ | |
218 | PREFETCH, MISS, hide) | |
b13d56d7 MD |
219 | |
220 | static | |
221 | const struct ctx_opts { | |
90b9a268 | 222 | char *symbol; |
b13d56d7 | 223 | enum context_type ctx_type; |
aa3514e9 | 224 | int hide_help; /* Hide from --help */ |
b13d56d7 MD |
225 | union { |
226 | struct { | |
227 | uint32_t type; | |
228 | uint64_t config; | |
229 | } perf; | |
e9492550 JG |
230 | struct { |
231 | char *provider_name; | |
232 | char *ctx_name; | |
233 | } app_ctx; | |
b13d56d7 MD |
234 | } u; |
235 | } ctx_opts[] = { | |
236 | { "pid", CONTEXT_PID }, | |
95da1297 | 237 | { "procname", CONTEXT_PROCNAME }, |
b13d56d7 MD |
238 | { "prio", CONTEXT_PRIO }, |
239 | { "nice", CONTEXT_NICE }, | |
240 | { "vpid", CONTEXT_VPID }, | |
241 | { "tid", CONTEXT_TID }, | |
9197c5c4 | 242 | { "pthread_id", CONTEXT_PTHREAD_ID }, |
b13d56d7 MD |
243 | { "vtid", CONTEXT_VTID }, |
244 | { "ppid", CONTEXT_PPID }, | |
245 | { "vppid", CONTEXT_VPPID }, | |
54773d68 | 246 | { "hostname", CONTEXT_HOSTNAME }, |
7c612c2e | 247 | { "ip", CONTEXT_IP }, |
1ae5e83e JD |
248 | { "interruptible", CONTEXT_INTERRUPTIBLE }, |
249 | { "preemptible", CONTEXT_PREEMPTIBLE }, | |
250 | { "need_reschedule", CONTEXT_NEED_RESCHEDULE }, | |
251 | { "migratable", CONTEXT_MIGRATABLE }, | |
373148e9 FG |
252 | { "callstack-kernel", CONTEXT_CALLSTACK_KERNEL }, |
253 | #if HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT | |
254 | { "callstack-user", CONTEXT_CALLSTACK_USER }, | |
255 | #endif | |
40e14884 MJ |
256 | { "cgroup_ns", CONTEXT_CGROUP_NS }, |
257 | { "ipc_ns", CONTEXT_IPC_NS }, | |
258 | { "mnt_ns", CONTEXT_MNT_NS }, | |
259 | { "net_ns", CONTEXT_NET_NS }, | |
260 | { "pid_ns", CONTEXT_PID_NS }, | |
261 | { "user_ns", CONTEXT_USER_NS }, | |
262 | { "uts_ns", CONTEXT_UTS_NS }, | |
aa3514e9 | 263 | |
b13d56d7 | 264 | /* Perf options */ |
aa3514e9 MD |
265 | |
266 | /* Perf per-CPU counters */ | |
267 | PERF_HW("perf:cpu:cpu-cycles", CPU_CYCLES, | |
268 | CONTEXT_PERF_CPU_COUNTER, 0), | |
269 | PERF_HW("perf:cpu:cycles", CPU_CYCLES, | |
270 | CONTEXT_PERF_CPU_COUNTER, 0), | |
271 | PERF_HW("perf:cpu:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
272 | CONTEXT_PERF_CPU_COUNTER, 0), | |
273 | PERF_HW("perf:cpu:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
274 | CONTEXT_PERF_CPU_COUNTER, 0), | |
275 | PERF_HW("perf:cpu:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
276 | CONTEXT_PERF_CPU_COUNTER, 0), | |
277 | PERF_HW("perf:cpu:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
278 | CONTEXT_PERF_CPU_COUNTER, 0), | |
279 | PERF_HW("perf:cpu:instructions", INSTRUCTIONS, | |
280 | CONTEXT_PERF_CPU_COUNTER, 0), | |
281 | PERF_HW("perf:cpu:cache-references", CACHE_REFERENCES, | |
282 | CONTEXT_PERF_CPU_COUNTER, 0), | |
283 | PERF_HW("perf:cpu:cache-misses", CACHE_MISSES, | |
284 | CONTEXT_PERF_CPU_COUNTER, 0), | |
285 | PERF_HW("perf:cpu:branch-instructions", BRANCH_INSTRUCTIONS, | |
286 | CONTEXT_PERF_CPU_COUNTER, 0), | |
287 | PERF_HW("perf:cpu:branches", BRANCH_INSTRUCTIONS, | |
288 | CONTEXT_PERF_CPU_COUNTER, 0), | |
289 | PERF_HW("perf:cpu:branch-misses", BRANCH_MISSES, | |
290 | CONTEXT_PERF_CPU_COUNTER, 0), | |
291 | PERF_HW("perf:cpu:bus-cycles", BUS_CYCLES, | |
292 | CONTEXT_PERF_CPU_COUNTER, 0), | |
293 | ||
294 | PERF_HW_CACHE("perf:cpu:L1-dcache", L1D, | |
295 | CONTEXT_PERF_CPU_COUNTER, 0), | |
296 | PERF_HW_CACHE("perf:cpu:L1-icache", L1I, | |
297 | CONTEXT_PERF_CPU_COUNTER, 0), | |
298 | PERF_HW_CACHE("perf:cpu:LLC", LL, | |
299 | CONTEXT_PERF_CPU_COUNTER, 0), | |
300 | PERF_HW_CACHE("perf:cpu:dTLB", DTLB, | |
301 | CONTEXT_PERF_CPU_COUNTER, 0), | |
302 | _PERF_HW_CACHE("perf:cpu:iTLB-loads", ITLB, | |
303 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
304 | _PERF_HW_CACHE("perf:cpu:iTLB-load-misses", ITLB, | |
305 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
306 | _PERF_HW_CACHE("perf:cpu:branch-loads", BPU, | |
307 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
308 | _PERF_HW_CACHE("perf:cpu:branch-load-misses", BPU, | |
309 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
310 | ||
311 | PERF_SW("perf:cpu:cpu-clock", CPU_CLOCK, | |
312 | CONTEXT_PERF_CPU_COUNTER, 0), | |
313 | PERF_SW("perf:cpu:task-clock", TASK_CLOCK, | |
314 | CONTEXT_PERF_CPU_COUNTER, 0), | |
315 | PERF_SW("perf:cpu:page-fault", PAGE_FAULTS, | |
316 | CONTEXT_PERF_CPU_COUNTER, 0), | |
317 | PERF_SW("perf:cpu:faults", PAGE_FAULTS, | |
318 | CONTEXT_PERF_CPU_COUNTER, 0), | |
319 | PERF_SW("perf:cpu:major-faults", PAGE_FAULTS_MAJ, | |
320 | CONTEXT_PERF_CPU_COUNTER, 0), | |
321 | PERF_SW("perf:cpu:minor-faults", PAGE_FAULTS_MIN, | |
322 | CONTEXT_PERF_CPU_COUNTER, 0), | |
323 | PERF_SW("perf:cpu:context-switches", CONTEXT_SWITCHES, | |
324 | CONTEXT_PERF_CPU_COUNTER, 0), | |
325 | PERF_SW("perf:cpu:cs", CONTEXT_SWITCHES, | |
326 | CONTEXT_PERF_CPU_COUNTER, 0), | |
327 | PERF_SW("perf:cpu:cpu-migrations", CPU_MIGRATIONS, | |
328 | CONTEXT_PERF_CPU_COUNTER, 0), | |
329 | PERF_SW("perf:cpu:migrations", CPU_MIGRATIONS, | |
330 | CONTEXT_PERF_CPU_COUNTER, 0), | |
331 | PERF_SW("perf:cpu:alignment-faults", ALIGNMENT_FAULTS, | |
332 | CONTEXT_PERF_CPU_COUNTER, 0), | |
333 | PERF_SW("perf:cpu:emulation-faults", EMULATION_FAULTS, | |
334 | CONTEXT_PERF_CPU_COUNTER, 0), | |
335 | ||
336 | /* Perf per-thread counters */ | |
337 | PERF_HW("perf:thread:cpu-cycles", CPU_CYCLES, | |
338 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
339 | PERF_HW("perf:thread:cycles", CPU_CYCLES, | |
340 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
341 | PERF_HW("perf:thread:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
342 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
343 | PERF_HW("perf:thread:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
344 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
345 | PERF_HW("perf:thread:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
346 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
347 | PERF_HW("perf:thread:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
348 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
349 | PERF_HW("perf:thread:instructions", INSTRUCTIONS, | |
350 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
351 | PERF_HW("perf:thread:cache-references", CACHE_REFERENCES, | |
352 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
353 | PERF_HW("perf:thread:cache-misses", CACHE_MISSES, | |
354 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
355 | PERF_HW("perf:thread:branch-instructions", BRANCH_INSTRUCTIONS, | |
356 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
357 | PERF_HW("perf:thread:branches", BRANCH_INSTRUCTIONS, | |
358 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
359 | PERF_HW("perf:thread:branch-misses", BRANCH_MISSES, | |
360 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
361 | PERF_HW("perf:thread:bus-cycles", BUS_CYCLES, | |
362 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
363 | ||
364 | PERF_HW_CACHE("perf:thread:L1-dcache", L1D, | |
365 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
366 | PERF_HW_CACHE("perf:thread:L1-icache", L1I, | |
367 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
368 | PERF_HW_CACHE("perf:thread:LLC", LL, | |
369 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
370 | PERF_HW_CACHE("perf:thread:dTLB", DTLB, | |
371 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
372 | _PERF_HW_CACHE("perf:thread:iTLB-loads", ITLB, | |
373 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
374 | _PERF_HW_CACHE("perf:thread:iTLB-load-misses", ITLB, | |
375 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
376 | _PERF_HW_CACHE("perf:thread:branch-loads", BPU, | |
377 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
378 | _PERF_HW_CACHE("perf:thread:branch-load-misses", BPU, | |
379 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
380 | ||
381 | PERF_SW("perf:thread:cpu-clock", CPU_CLOCK, | |
382 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
383 | PERF_SW("perf:thread:task-clock", TASK_CLOCK, | |
384 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
385 | PERF_SW("perf:thread:page-fault", PAGE_FAULTS, | |
386 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
387 | PERF_SW("perf:thread:faults", PAGE_FAULTS, | |
388 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
389 | PERF_SW("perf:thread:major-faults", PAGE_FAULTS_MAJ, | |
390 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
391 | PERF_SW("perf:thread:minor-faults", PAGE_FAULTS_MIN, | |
392 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
393 | PERF_SW("perf:thread:context-switches", CONTEXT_SWITCHES, | |
394 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
395 | PERF_SW("perf:thread:cs", CONTEXT_SWITCHES, | |
396 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
397 | PERF_SW("perf:thread:cpu-migrations", CPU_MIGRATIONS, | |
398 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
399 | PERF_SW("perf:thread:migrations", CPU_MIGRATIONS, | |
400 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
401 | PERF_SW("perf:thread:alignment-faults", ALIGNMENT_FAULTS, | |
402 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
403 | PERF_SW("perf:thread:emulation-faults", EMULATION_FAULTS, | |
404 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
405 | ||
406 | /* | |
407 | * Perf per-CPU counters, backward compatibilty for names. | |
408 | * Hidden from help listing. | |
409 | */ | |
410 | PERF_HW("perf:cpu-cycles", CPU_CYCLES, | |
411 | CONTEXT_PERF_COUNTER, 1), | |
412 | PERF_HW("perf:cycles", CPU_CYCLES, | |
413 | CONTEXT_PERF_COUNTER, 1), | |
414 | PERF_HW("perf:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
415 | CONTEXT_PERF_COUNTER, 1), | |
416 | PERF_HW("perf:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
417 | CONTEXT_PERF_COUNTER, 1), | |
418 | PERF_HW("perf:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
419 | CONTEXT_PERF_COUNTER, 1), | |
420 | PERF_HW("perf:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
421 | CONTEXT_PERF_COUNTER, 1), | |
422 | PERF_HW("perf:instructions", INSTRUCTIONS, | |
423 | CONTEXT_PERF_COUNTER, 1), | |
424 | PERF_HW("perf:cache-references", CACHE_REFERENCES, | |
425 | CONTEXT_PERF_COUNTER, 1), | |
426 | PERF_HW("perf:cache-misses", CACHE_MISSES, | |
427 | CONTEXT_PERF_COUNTER, 1), | |
428 | PERF_HW("perf:branch-instructions", BRANCH_INSTRUCTIONS, | |
429 | CONTEXT_PERF_COUNTER, 1), | |
430 | PERF_HW("perf:branches", BRANCH_INSTRUCTIONS, | |
431 | CONTEXT_PERF_COUNTER, 1), | |
432 | PERF_HW("perf:branch-misses", BRANCH_MISSES, | |
433 | CONTEXT_PERF_COUNTER, 1), | |
434 | PERF_HW("perf:bus-cycles", BUS_CYCLES, | |
435 | CONTEXT_PERF_COUNTER, 1), | |
436 | ||
437 | PERF_HW_CACHE("perf:L1-dcache", L1D, | |
438 | CONTEXT_PERF_COUNTER, 1), | |
439 | PERF_HW_CACHE("perf:L1-icache", L1I, | |
440 | CONTEXT_PERF_COUNTER, 1), | |
441 | PERF_HW_CACHE("perf:LLC", LL, | |
442 | CONTEXT_PERF_COUNTER, 1), | |
443 | PERF_HW_CACHE("perf:dTLB", DTLB, | |
444 | CONTEXT_PERF_COUNTER, 1), | |
445 | _PERF_HW_CACHE("perf:iTLB-loads", ITLB, | |
446 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
447 | _PERF_HW_CACHE("perf:iTLB-load-misses", ITLB, | |
448 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
449 | _PERF_HW_CACHE("perf:branch-loads", BPU, | |
450 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
451 | _PERF_HW_CACHE("perf:branch-load-misses", BPU, | |
452 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
453 | ||
454 | PERF_SW("perf:cpu-clock", CPU_CLOCK, | |
455 | CONTEXT_PERF_COUNTER, 1), | |
456 | PERF_SW("perf:task-clock", TASK_CLOCK, | |
457 | CONTEXT_PERF_COUNTER, 1), | |
458 | PERF_SW("perf:page-fault", PAGE_FAULTS, | |
459 | CONTEXT_PERF_COUNTER, 1), | |
460 | PERF_SW("perf:faults", PAGE_FAULTS, | |
461 | CONTEXT_PERF_COUNTER, 1), | |
462 | PERF_SW("perf:major-faults", PAGE_FAULTS_MAJ, | |
463 | CONTEXT_PERF_COUNTER, 1), | |
464 | PERF_SW("perf:minor-faults", PAGE_FAULTS_MIN, | |
465 | CONTEXT_PERF_COUNTER, 1), | |
466 | PERF_SW("perf:context-switches", CONTEXT_SWITCHES, | |
467 | CONTEXT_PERF_COUNTER, 1), | |
468 | PERF_SW("perf:cs", CONTEXT_SWITCHES, | |
469 | CONTEXT_PERF_COUNTER, 1), | |
470 | PERF_SW("perf:cpu-migrations", CPU_MIGRATIONS, | |
471 | CONTEXT_PERF_COUNTER, 1), | |
472 | PERF_SW("perf:migrations", CPU_MIGRATIONS, | |
473 | CONTEXT_PERF_COUNTER, 1), | |
474 | PERF_SW("perf:alignment-faults", ALIGNMENT_FAULTS, | |
475 | CONTEXT_PERF_COUNTER, 1), | |
476 | PERF_SW("perf:emulation-faults", EMULATION_FAULTS, | |
477 | CONTEXT_PERF_COUNTER, 1), | |
478 | ||
b13d56d7 | 479 | { NULL, -1 }, /* Closure */ |
90b9a268 DG |
480 | }; |
481 | ||
aa3514e9 MD |
482 | #undef PERF_HW_CACHE |
483 | #undef _PERF_HW_CACHE | |
b13d56d7 MD |
484 | #undef PERF_SW |
485 | #undef PERF_HW | |
486 | ||
90b9a268 | 487 | /* |
b13d56d7 | 488 | * Context type for command line option parsing. |
90b9a268 | 489 | */ |
b13d56d7 | 490 | struct ctx_type { |
e9492550 | 491 | struct ctx_opts *opt; |
b13d56d7 | 492 | struct cds_list_head list; |
90b9a268 DG |
493 | }; |
494 | ||
495 | /* | |
496 | * List of context type. Use to enable multiple context on a single command | |
497 | * line entry. | |
498 | */ | |
499 | struct ctx_type_list { | |
500 | struct cds_list_head head; | |
501 | } ctx_type_list = { | |
502 | .head = CDS_LIST_HEAD_INIT(ctx_type_list.head), | |
503 | }; | |
504 | ||
90b9a268 | 505 | |
90b9a268 | 506 | |
90b9a268 DG |
507 | /* |
508 | * Find context numerical value from string. | |
e9492550 JG |
509 | * |
510 | * Return -1 if not found. | |
90b9a268 DG |
511 | */ |
512 | static int find_ctx_type_idx(const char *opt) | |
513 | { | |
e9492550 | 514 | int ret, i = 0; |
90b9a268 DG |
515 | |
516 | while (ctx_opts[i].symbol != NULL) { | |
517 | if (strcmp(opt, ctx_opts[i].symbol) == 0) { | |
518 | ret = i; | |
519 | goto end; | |
520 | } | |
521 | i++; | |
522 | } | |
523 | ||
e9492550 | 524 | ret = -1; |
90b9a268 DG |
525 | end: |
526 | return ret; | |
527 | } | |
528 | ||
e9492550 JG |
529 | static |
530 | enum lttng_domain_type get_domain(void) | |
531 | { | |
532 | if (opt_kernel) { | |
533 | return LTTNG_DOMAIN_KERNEL; | |
534 | } else if (opt_userspace) { | |
535 | return LTTNG_DOMAIN_UST; | |
536 | } else if (opt_jul) { | |
537 | return LTTNG_DOMAIN_JUL; | |
538 | } else if (opt_log4j) { | |
539 | return LTTNG_DOMAIN_LOG4J; | |
540 | } else { | |
541 | assert(0); | |
542 | } | |
543 | } | |
544 | ||
59deec0c JR |
545 | static |
546 | int mi_open(void) | |
547 | { | |
548 | int ret; | |
549 | ||
550 | /* MI check */ | |
551 | if (!lttng_opt_mi) { | |
552 | ret = 0; | |
553 | goto end; | |
554 | } | |
555 | ||
556 | ret = fileno(stdout); | |
557 | if (ret < 0) { | |
1e2d9dfa | 558 | PERROR("Unable to retrieve fileno of stdout"); |
59deec0c JR |
559 | ret = CMD_ERROR; |
560 | goto end; | |
561 | } | |
562 | ||
563 | writer = mi_lttng_writer_create(ret, lttng_opt_mi); | |
564 | if (!writer) { | |
565 | ret = CMD_ERROR; | |
566 | goto end; | |
567 | } | |
568 | ||
569 | /* Open command element */ | |
570 | ret = mi_lttng_writer_command_open(writer, | |
571 | mi_lttng_element_command_add_context); | |
572 | if (ret) { | |
573 | ret = CMD_ERROR; | |
574 | goto end; | |
575 | } | |
576 | ||
577 | /* Open output element */ | |
578 | ret = mi_lttng_writer_open_element(writer, | |
579 | mi_lttng_element_command_output); | |
580 | if (ret) { | |
581 | ret = CMD_ERROR; | |
582 | goto end; | |
583 | } | |
584 | end: | |
585 | return ret; | |
586 | } | |
587 | ||
588 | static | |
589 | int mi_close(enum cmd_error_code success) | |
590 | { | |
591 | int ret; | |
592 | ||
593 | /* MI closing */ | |
594 | if (!lttng_opt_mi) { | |
595 | ret = 0; | |
596 | goto end; | |
597 | } | |
598 | /* Close output element */ | |
599 | ret = mi_lttng_writer_close_element(writer); | |
600 | if (ret) { | |
601 | ret = CMD_ERROR; | |
602 | goto end; | |
603 | } | |
604 | ||
605 | /* Success ? */ | |
606 | ret = mi_lttng_writer_write_element_bool(writer, | |
607 | mi_lttng_element_command_success, !success); | |
608 | if (ret) { | |
609 | ret = CMD_ERROR; | |
610 | goto end; | |
611 | } | |
612 | ||
613 | /* Command element close */ | |
614 | ret = mi_lttng_writer_command_close(writer); | |
615 | if (ret) { | |
616 | ret = CMD_ERROR; | |
617 | goto end; | |
618 | } | |
619 | end: | |
620 | return ret; | |
621 | } | |
622 | ||
623 | static | |
624 | void populate_context(struct lttng_event_context *context, | |
625 | const struct ctx_opts *opt) | |
626 | { | |
627 | char *ptr; | |
628 | ||
629 | context->ctx = (enum lttng_event_context_type) opt->ctx_type; | |
630 | switch (context->ctx) { | |
631 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
632 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
633 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
634 | context->u.perf_counter.type = opt->u.perf.type; | |
635 | context->u.perf_counter.config = opt->u.perf.config; | |
636 | strncpy(context->u.perf_counter.name, opt->symbol, | |
637 | LTTNG_SYMBOL_NAME_LEN); | |
638 | context->u.perf_counter.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
639 | /* Replace : and - by _ */ | |
640 | while ((ptr = strchr(context->u.perf_counter.name, '-')) != NULL) { | |
641 | *ptr = '_'; | |
642 | } | |
643 | while ((ptr = strchr(context->u.perf_counter.name, ':')) != NULL) { | |
644 | *ptr = '_'; | |
645 | } | |
646 | break; | |
647 | case LTTNG_EVENT_CONTEXT_APP_CONTEXT: | |
648 | context->u.app_ctx.provider_name = | |
649 | opt->u.app_ctx.provider_name; | |
650 | context->u.app_ctx.ctx_name = | |
651 | opt->u.app_ctx.ctx_name; | |
652 | break; | |
653 | default: | |
654 | break; | |
655 | } | |
656 | } | |
657 | ||
658 | /* | |
659 | * Pretty print context type. | |
660 | */ | |
661 | static | |
662 | int print_ctx_type(void) | |
663 | { | |
664 | ||
665 | FILE *ofp = stdout; | |
666 | int i = 0; | |
667 | int ret; | |
668 | struct lttng_event_context context; | |
669 | ||
670 | memset(&context, 0, sizeof(context)); | |
671 | ||
672 | ret = mi_open(); | |
673 | if (ret) { | |
674 | ret = CMD_ERROR; | |
675 | goto end; | |
676 | } | |
677 | ||
678 | if (lttng_opt_mi) { | |
679 | /* Open a contexts element */ | |
680 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
681 | if (ret) { | |
682 | ret = CMD_ERROR; | |
683 | goto end; | |
684 | } | |
685 | } | |
686 | ||
687 | while (ctx_opts[i].symbol != NULL) { | |
688 | if (!ctx_opts[i].hide_help) { | |
689 | if (lttng_opt_mi) { | |
690 | populate_context(&context, &ctx_opts[i]); | |
691 | ret = mi_lttng_context(writer, &context, 1); | |
692 | if (ret) { | |
693 | ret = CMD_ERROR; | |
694 | goto end; | |
695 | } | |
696 | ||
697 | ret = mi_lttng_writer_write_element_string( | |
698 | writer, | |
699 | mi_lttng_element_context_symbol, | |
700 | ctx_opts[i].symbol); | |
701 | if (ret) { | |
702 | ret = CMD_ERROR; | |
703 | goto end; | |
704 | } | |
705 | ||
706 | ret = mi_lttng_writer_close_element(writer); | |
707 | if (ret) { | |
708 | ret = CMD_ERROR; | |
709 | goto end; | |
710 | } | |
711 | } else { | |
712 | fprintf(ofp, "%s\n", ctx_opts[i].symbol); | |
713 | } | |
714 | } | |
715 | i++; | |
716 | } | |
717 | ||
718 | if (lttng_opt_mi) { | |
719 | /* Close contexts element */ | |
720 | ret = mi_lttng_writer_close_element(writer); | |
721 | if (ret) { | |
722 | goto end; | |
723 | } | |
724 | } | |
725 | ||
726 | end: | |
727 | ret = mi_close(ret); | |
728 | if (ret) { | |
729 | ret = CMD_ERROR; | |
730 | } | |
731 | return ret; | |
732 | } | |
733 | ||
90b9a268 DG |
734 | /* |
735 | * Add context to channel or event. | |
d65106b1 | 736 | */ |
cd80958d | 737 | static int add_context(char *session_name) |
d65106b1 | 738 | { |
89b72577 | 739 | int ret = CMD_SUCCESS, warn = 0, success = 0; |
7d29a247 DG |
740 | struct lttng_event_context context; |
741 | struct lttng_domain dom; | |
3301e740 | 742 | struct ctx_type *type; |
d65106b1 | 743 | |
441c16a7 MD |
744 | memset(&context, 0, sizeof(context)); |
745 | memset(&dom, 0, sizeof(dom)); | |
746 | ||
e9492550 | 747 | dom.type = get_domain(); |
cd80958d DG |
748 | handle = lttng_create_handle(session_name, &dom); |
749 | if (handle == NULL) { | |
af87c45a | 750 | ret = CMD_ERROR; |
cd80958d DG |
751 | goto error; |
752 | } | |
753 | ||
89b72577 JRJ |
754 | if (lttng_opt_mi) { |
755 | /* Open a contexts element */ | |
756 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
757 | if (ret) { | |
758 | goto error; | |
759 | } | |
760 | } | |
761 | ||
5eb00805 | 762 | /* Iterate over all the context types given */ |
3301e740 | 763 | cds_list_for_each_entry(type, &ctx_type_list.head, list) { |
55cc08a6 DG |
764 | DBG("Adding context..."); |
765 | ||
59deec0c JR |
766 | populate_context(&context, type->opt); |
767 | ||
89b72577 JRJ |
768 | if (lttng_opt_mi) { |
769 | /* We leave context open the update the success of the command */ | |
770 | ret = mi_lttng_context(writer, &context, 1); | |
771 | if (ret) { | |
772 | ret = CMD_ERROR; | |
773 | goto error; | |
774 | } | |
59deec0c JR |
775 | |
776 | ret = mi_lttng_writer_write_element_string(writer, | |
777 | mi_lttng_element_context_symbol, | |
778 | type->opt->symbol); | |
779 | if (ret) { | |
780 | ret = CMD_ERROR; | |
781 | goto error; | |
782 | } | |
89b72577 JRJ |
783 | } |
784 | ||
601d5acf | 785 | ret = lttng_add_context(handle, &context, NULL, opt_channel_name); |
55cc08a6 | 786 | if (ret < 0) { |
b58471ff | 787 | ERR("%s: %s", type->opt->symbol, lttng_strerror(ret)); |
d16c1a4c | 788 | warn = 1; |
89b72577 | 789 | success = 0; |
d65106b1 | 790 | } else { |
601d5acf | 791 | if (opt_channel_name) { |
b58471ff | 792 | MSG("%s context %s added to channel %s", |
0df4a6dd | 793 | get_domain_str(dom.type), type->opt->symbol, |
b58471ff | 794 | opt_channel_name); |
b58471ff DG |
795 | } else { |
796 | MSG("%s context %s added to all channels", | |
62a7b8ed | 797 | get_domain_str(dom.type), type->opt->symbol); |
b58471ff | 798 | } |
89b72577 JRJ |
799 | success = 1; |
800 | } | |
801 | ||
802 | if (lttng_opt_mi) { | |
803 | /* Is the single operation a success ? */ | |
804 | ret = mi_lttng_writer_write_element_bool(writer, | |
805 | mi_lttng_element_success, success); | |
806 | if (ret) { | |
807 | ret = CMD_ERROR; | |
808 | goto error; | |
809 | } | |
810 | ||
811 | /* Close the context element */ | |
812 | ret = mi_lttng_writer_close_element(writer); | |
813 | if (ret) { | |
814 | ret = CMD_ERROR; | |
815 | goto error; | |
816 | } | |
817 | } | |
818 | } | |
819 | ||
820 | if (lttng_opt_mi) { | |
821 | /* Close contexts element */ | |
822 | ret = mi_lttng_writer_close_element(writer); | |
823 | if (ret) { | |
824 | goto error; | |
d65106b1 | 825 | } |
d65106b1 DG |
826 | } |
827 | ||
af87c45a DG |
828 | ret = CMD_SUCCESS; |
829 | ||
d65106b1 | 830 | error: |
cd80958d DG |
831 | lttng_destroy_handle(handle); |
832 | ||
d16c1a4c DG |
833 | /* |
834 | * This means that at least one add_context failed and tells the user to | |
835 | * look on stderr for error(s). | |
836 | */ | |
89b72577 | 837 | if (!ret && warn) { |
d16c1a4c DG |
838 | ret = CMD_WARNING; |
839 | } | |
d65106b1 DG |
840 | return ret; |
841 | } | |
842 | ||
e9492550 JG |
843 | static |
844 | void destroy_ctx_type(struct ctx_type *type) | |
845 | { | |
846 | if (!type) { | |
847 | return; | |
848 | } | |
1e19c0f6 JR |
849 | if (type->opt) { |
850 | free(type->opt->symbol); | |
851 | } | |
e9492550 JG |
852 | free(type->opt); |
853 | free(type); | |
854 | } | |
855 | ||
856 | static | |
857 | struct ctx_type *create_ctx_type(void) | |
858 | { | |
859 | struct ctx_type *type = zmalloc(sizeof(*type)); | |
860 | ||
861 | if (!type) { | |
862 | PERROR("malloc ctx_type"); | |
863 | goto end; | |
864 | } | |
865 | ||
866 | type->opt = zmalloc(sizeof(*type->opt)); | |
867 | if (!type->opt) { | |
868 | PERROR("malloc ctx_type options"); | |
869 | destroy_ctx_type(type); | |
8e32b63b | 870 | type = NULL; |
e9492550 JG |
871 | goto end; |
872 | } | |
873 | end: | |
874 | return type; | |
875 | } | |
876 | ||
4fe444da JD |
877 | static |
878 | int find_ctx_type_perf_raw(const char *ctx, struct ctx_type *type) | |
879 | { | |
880 | int ret; | |
881 | int field_pos = 0; | |
882 | char *tmp_list, *cur_list; | |
883 | ||
884 | cur_list = tmp_list = strdup(ctx); | |
885 | if (!tmp_list) { | |
886 | PERROR("strdup temp list"); | |
887 | ret = -ENOMEM; | |
888 | goto end; | |
889 | } | |
890 | ||
891 | /* Looking for "perf:[cpu|thread]:raw:<mask>:<name>". */ | |
892 | for (;;) { | |
893 | char *next; | |
894 | ||
895 | next = strtok(cur_list, ":"); | |
896 | if (!next) { | |
897 | break; | |
898 | } | |
899 | cur_list = NULL; | |
900 | switch (field_pos) { | |
901 | case 0: | |
902 | if (strncmp(next, "perf", 4) != 0) { | |
903 | ret = -1; | |
904 | goto end; | |
905 | } | |
906 | break; | |
907 | case 1: | |
908 | if (strncmp(next, "cpu", 3) == 0) { | |
909 | type->opt->ctx_type = CONTEXT_PERF_CPU_COUNTER; | |
910 | } else if (strncmp(next, "thread", 4) == 0) { | |
911 | type->opt->ctx_type = CONTEXT_PERF_THREAD_COUNTER; | |
912 | } else { | |
913 | ret = -1; | |
914 | goto end; | |
915 | } | |
916 | break; | |
917 | case 2: | |
918 | if (strncmp(next, "raw", 3) != 0) { | |
919 | ret = -1; | |
920 | goto end; | |
921 | } | |
922 | break; | |
923 | case 3: | |
924 | { | |
925 | char *endptr; | |
926 | ||
927 | if (strlen(next) < 2 || next[0] != 'r') { | |
928 | ERR("Wrong perf raw mask format: expected rNNN"); | |
929 | ret = -1; | |
930 | goto end; | |
931 | } | |
932 | errno = 0; | |
933 | type->opt->u.perf.config = strtoll(next + 1, &endptr, 16); | |
934 | if (errno != 0 || !endptr || *endptr) { | |
935 | ERR("Wrong perf raw mask format: expected rNNN"); | |
936 | ret = -1; | |
937 | goto end; | |
938 | } | |
939 | break; | |
940 | } | |
941 | case 4: | |
942 | /* name */ | |
943 | break; | |
944 | case 5: | |
945 | ERR("Too many ':' in perf raw format"); | |
946 | ret = -1; | |
947 | goto end; | |
948 | }; | |
949 | field_pos++; | |
950 | } | |
951 | ||
952 | if (field_pos < 5) { | |
953 | ERR("Invalid perf counter specifier, expected a specifier of " | |
954 | "the form perf:cpu:raw:rNNN:<name> or " | |
955 | "perf:thread:raw:rNNN:<name>"); | |
956 | ret = -1; | |
957 | goto end; | |
958 | } | |
959 | ||
960 | ret = 0; | |
961 | goto end; | |
962 | ||
963 | end: | |
964 | free(tmp_list); | |
965 | return ret; | |
966 | } | |
967 | ||
e9492550 JG |
968 | static |
969 | struct ctx_type *get_context_type(const char *ctx) | |
970 | { | |
4fe444da | 971 | int opt_index, ret; |
e9492550 JG |
972 | struct ctx_type *type = NULL; |
973 | const char app_ctx_prefix[] = "$app."; | |
974 | char *provider_name = NULL, *ctx_name = NULL; | |
975 | size_t i, len, colon_pos = 0, provider_name_len, ctx_name_len; | |
976 | ||
977 | if (!ctx) { | |
978 | goto not_found; | |
979 | } | |
980 | ||
981 | type = create_ctx_type(); | |
982 | if (!type) { | |
983 | goto not_found; | |
984 | } | |
985 | ||
986 | /* Check if ctx matches a known static context. */ | |
987 | opt_index = find_ctx_type_idx(ctx); | |
988 | if (opt_index >= 0) { | |
989 | *type->opt = ctx_opts[opt_index]; | |
990 | type->opt->symbol = strdup(ctx_opts[opt_index].symbol); | |
991 | goto found; | |
992 | } | |
993 | ||
4fe444da JD |
994 | /* Check if ctx is a raw perf context. */ |
995 | ret = find_ctx_type_perf_raw(ctx, type); | |
996 | if (ret == 0) { | |
997 | type->opt->u.perf.type = PERF_TYPE_RAW; | |
998 | type->opt->symbol = strdup(ctx); | |
999 | if (!type->opt->symbol) { | |
1000 | PERROR("Copy perf field name"); | |
1001 | goto not_found; | |
1002 | } | |
1003 | goto found; | |
1004 | } | |
1005 | ||
e9492550 JG |
1006 | /* |
1007 | * No match found against static contexts; check if it is an app | |
1008 | * context. | |
1009 | */ | |
1010 | len = strlen(ctx); | |
1011 | if (len <= sizeof(app_ctx_prefix) - 1) { | |
1012 | goto not_found; | |
1013 | } | |
1014 | ||
1015 | /* String starts with $app. */ | |
1016 | if (strncmp(ctx, app_ctx_prefix, sizeof(app_ctx_prefix) - 1)) { | |
1017 | goto not_found; | |
1018 | } | |
1019 | ||
1020 | /* Validate that the ':' separator is present. */ | |
1021 | for (i = sizeof(app_ctx_prefix); i < len; i++) { | |
1022 | const char c = ctx[i]; | |
1023 | ||
1024 | if (c == ':') { | |
1025 | colon_pos = i; | |
1026 | break; | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | /* | |
1031 | * No colon found or no ctx name ("$app.provider:") or no provider name | |
1032 | * given ("$app.:..."), which is invalid. | |
1033 | */ | |
1034 | if (!colon_pos || colon_pos == len || | |
1035 | colon_pos == sizeof(app_ctx_prefix)) { | |
1036 | ERR("Invalid application context provided: no provider or context name provided."); | |
1037 | goto not_found; | |
1038 | } | |
1039 | ||
1040 | provider_name_len = colon_pos - sizeof(app_ctx_prefix) + 2; | |
1041 | provider_name = zmalloc(provider_name_len); | |
1042 | if (!provider_name) { | |
1043 | PERROR("malloc provider_name"); | |
1044 | goto not_found; | |
1045 | } | |
1046 | strncpy(provider_name, ctx + sizeof(app_ctx_prefix) - 1, | |
1047 | provider_name_len - 1); | |
1048 | type->opt->u.app_ctx.provider_name = provider_name; | |
1049 | ||
1050 | ctx_name_len = len - colon_pos; | |
1051 | ctx_name = zmalloc(ctx_name_len); | |
1052 | if (!ctx_name) { | |
1053 | PERROR("malloc ctx_name"); | |
1054 | goto not_found; | |
1055 | } | |
1056 | strncpy(ctx_name, ctx + colon_pos + 1, ctx_name_len - 1); | |
1057 | type->opt->u.app_ctx.ctx_name = ctx_name; | |
1058 | type->opt->ctx_type = CONTEXT_APP_CONTEXT; | |
1059 | type->opt->symbol = strdup(ctx); | |
1060 | found: | |
1061 | return type; | |
1062 | not_found: | |
1063 | free(provider_name); | |
1064 | free(ctx_name); | |
1065 | destroy_ctx_type(type); | |
1066 | return NULL; | |
1067 | } | |
1068 | ||
d65106b1 | 1069 | /* |
5eb00805 | 1070 | * Add context to channel or event. |
d65106b1 DG |
1071 | */ |
1072 | int cmd_add_context(int argc, const char **argv) | |
1073 | { | |
e9492550 | 1074 | int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
d65106b1 | 1075 | static poptContext pc; |
b13d56d7 | 1076 | struct ctx_type *type, *tmptype; |
cd80958d | 1077 | char *session_name = NULL; |
68c7f6e5 | 1078 | const char *leftover = NULL; |
d65106b1 | 1079 | |
636167b6 | 1080 | if (argc < 2) { |
5eb00805 | 1081 | ret = CMD_ERROR; |
636167b6 DG |
1082 | goto end; |
1083 | } | |
1084 | ||
d65106b1 DG |
1085 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
1086 | poptReadDefaultConfig(pc, 0); | |
1087 | ||
1088 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1089 | switch (opt) { | |
1090 | case OPT_HELP: | |
4ba92f18 | 1091 | SHOW_HELP(); |
d65106b1 | 1092 | goto end; |
83cea427 | 1093 | case OPT_LIST: |
59deec0c | 1094 | ret = print_ctx_type(); |
83cea427 | 1095 | goto end; |
d65106b1 | 1096 | case OPT_TYPE: |
e9492550 JG |
1097 | { |
1098 | type = get_context_type(opt_type); | |
1099 | if (!type) { | |
6caa2bcc | 1100 | ERR("Unknown context type %s", opt_type); |
5eb00805 TD |
1101 | ret = CMD_FATAL; |
1102 | goto end; | |
1103 | } | |
e9492550 | 1104 | cds_list_add_tail(&type->list, &ctx_type_list.head); |
d65106b1 | 1105 | break; |
e9492550 | 1106 | } |
eeac7d46 MD |
1107 | case OPT_USERSPACE: |
1108 | opt_userspace = 1; | |
eeac7d46 | 1109 | break; |
e9492550 JG |
1110 | case OPT_JUL: |
1111 | opt_jul = 1; | |
1112 | break; | |
1113 | case OPT_LOG4J: | |
1114 | opt_log4j = 1; | |
1115 | break; | |
679b4943 SM |
1116 | case OPT_LIST_OPTIONS: |
1117 | list_cmd_options(stdout, long_options); | |
679b4943 | 1118 | goto end; |
d65106b1 | 1119 | default: |
d65106b1 DG |
1120 | ret = CMD_UNDEFINED; |
1121 | goto end; | |
1122 | } | |
1123 | } | |
1124 | ||
68c7f6e5 JD |
1125 | leftover = poptGetArg(pc); |
1126 | if (leftover) { | |
1127 | ERR("Unknown argument: %s", leftover); | |
1128 | ret = CMD_ERROR; | |
1129 | goto end; | |
1130 | } | |
1131 | ||
e9492550 JG |
1132 | ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace + |
1133 | opt_jul + opt_log4j); | |
3ecec76a PP |
1134 | if (ret) { |
1135 | ret = CMD_ERROR; | |
1136 | goto end; | |
1137 | } | |
1138 | ||
ae856491 DG |
1139 | if (!opt_type) { |
1140 | ERR("Missing mandatory -t TYPE"); | |
ae856491 DG |
1141 | ret = CMD_ERROR; |
1142 | goto end; | |
1143 | } | |
1144 | ||
cd80958d DG |
1145 | if (!opt_session_name) { |
1146 | session_name = get_session_name(); | |
1147 | if (session_name == NULL) { | |
5eb00805 | 1148 | ret = CMD_ERROR; |
cd80958d DG |
1149 | goto end; |
1150 | } | |
1151 | } else { | |
1152 | session_name = opt_session_name; | |
1153 | } | |
1154 | ||
59deec0c JR |
1155 | ret = mi_open(); |
1156 | if (ret) { | |
1157 | goto end; | |
89b72577 JRJ |
1158 | } |
1159 | ||
1160 | command_ret = add_context(session_name); | |
59deec0c JR |
1161 | ret = mi_close(command_ret); |
1162 | if (ret) { | |
1163 | goto end; | |
89b72577 JRJ |
1164 | } |
1165 | ||
1166 | end: | |
1256f150 DT |
1167 | if (!opt_session_name) { |
1168 | free(session_name); | |
1169 | } | |
1170 | ||
89b72577 JRJ |
1171 | /* Mi clean-up */ |
1172 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1173 | /* Preserve original error code */ | |
1174 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
1175 | } | |
1176 | ||
3301e740 | 1177 | /* Cleanup allocated memory */ |
b13d56d7 | 1178 | cds_list_for_each_entry_safe(type, tmptype, &ctx_type_list.head, list) { |
e9492550 | 1179 | destroy_ctx_type(type); |
3301e740 DG |
1180 | } |
1181 | ||
89b72577 JRJ |
1182 | /* Overwrite ret if an error occurred during add_context() */ |
1183 | ret = command_ret ? command_ret : ret; | |
1184 | ||
ca1c3607 | 1185 | poptFreeContext(pc); |
d65106b1 DG |
1186 | return ret; |
1187 | } |