Commit | Line | Data |
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d65106b1 | 1 | /* |
21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
ab5be9fa | 3 | * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
d65106b1 | 4 | * |
ab5be9fa | 5 | * SPDX-License-Identifier: GPL-2.0-only |
d65106b1 | 6 | * |
d65106b1 DG |
7 | */ |
8 | ||
6c1c0768 | 9 | #define _LGPL_SOURCE |
28ab034a JG |
10 | #include "../command.hpp" |
11 | ||
12 | #include <common/mi-lttng.hpp> | |
13 | ||
14 | #include <lttng/domain-internal.hpp> | |
15 | ||
90b9a268 | 16 | #include <ctype.h> |
d65106b1 DG |
17 | #include <popt.h> |
18 | #include <stdio.h> | |
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
21 | #include <sys/stat.h> | |
22 | #include <sys/types.h> | |
23 | #include <unistd.h> | |
3301e740 DG |
24 | #include <urcu/list.h> |
25 | ||
d65106b1 | 26 | static char *opt_channel_name; |
5440dc42 | 27 | static char *opt_session_name; |
55cc08a6 | 28 | static int opt_kernel; |
d65106b1 | 29 | static int opt_userspace; |
e9492550 JG |
30 | static int opt_jul; |
31 | static int opt_log4j; | |
47abf22b | 32 | static int opt_log4j2; |
d78d6610 | 33 | static char *opt_type; |
89b72577 | 34 | |
4fc83d94 PP |
35 | #ifdef LTTNG_EMBED_HELP |
36 | static const char help_msg[] = | |
37 | #include <lttng-add-context.1.h> | |
28ab034a | 38 | ; |
4fc83d94 PP |
39 | #endif |
40 | ||
d65106b1 DG |
41 | enum { |
42 | OPT_HELP = 1, | |
43 | OPT_TYPE, | |
eeac7d46 | 44 | OPT_USERSPACE, |
e9492550 JG |
45 | OPT_JUL, |
46 | OPT_LOG4J, | |
47abf22b | 47 | OPT_LOG4J2, |
679b4943 | 48 | OPT_LIST_OPTIONS, |
83cea427 | 49 | OPT_LIST, |
d65106b1 DG |
50 | }; |
51 | ||
cd80958d | 52 | static struct lttng_handle *handle; |
89b72577 | 53 | static struct mi_writer *writer; |
cd80958d | 54 | |
90b9a268 | 55 | /* |
261e7f13 | 56 | * Taken from the LTTng ABI except for "UNKNOWN". |
90b9a268 DG |
57 | */ |
58 | enum context_type { | |
28ab034a JG |
59 | CONTEXT_UNKNOWN = -1, |
60 | CONTEXT_PID = 0, | |
61 | CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ | |
62 | CONTEXT_PROCNAME = 2, | |
63 | CONTEXT_PRIO = 3, | |
64 | CONTEXT_NICE = 4, | |
65 | CONTEXT_VPID = 5, | |
66 | CONTEXT_TID = 6, | |
67 | CONTEXT_VTID = 7, | |
68 | CONTEXT_PPID = 8, | |
69 | CONTEXT_VPPID = 9, | |
70 | CONTEXT_PTHREAD_ID = 10, | |
71 | CONTEXT_HOSTNAME = 11, | |
72 | CONTEXT_IP = 12, | |
aa3514e9 MD |
73 | CONTEXT_PERF_CPU_COUNTER = 13, |
74 | CONTEXT_PERF_THREAD_COUNTER = 14, | |
28ab034a | 75 | CONTEXT_APP_CONTEXT = 15, |
1ae5e83e | 76 | CONTEXT_INTERRUPTIBLE = 16, |
28ab034a | 77 | CONTEXT_PREEMPTIBLE = 17, |
1ae5e83e | 78 | CONTEXT_NEED_RESCHEDULE = 18, |
28ab034a | 79 | CONTEXT_MIGRATABLE = 19, |
373148e9 FG |
80 | CONTEXT_CALLSTACK_KERNEL = 20, |
81 | CONTEXT_CALLSTACK_USER = 21, | |
28ab034a JG |
82 | CONTEXT_CGROUP_NS = 22, |
83 | CONTEXT_IPC_NS = 23, | |
84 | CONTEXT_MNT_NS = 24, | |
85 | CONTEXT_NET_NS = 25, | |
86 | CONTEXT_PID_NS = 26, | |
87 | CONTEXT_USER_NS = 27, | |
88 | CONTEXT_UTS_NS = 28, | |
89 | CONTEXT_UID = 29, | |
90 | CONTEXT_EUID = 30, | |
91 | CONTEXT_SUID = 31, | |
92 | CONTEXT_GID = 32, | |
93 | CONTEXT_EGID = 33, | |
94 | CONTEXT_SGID = 34, | |
95 | CONTEXT_VUID = 35, | |
96 | CONTEXT_VEUID = 36, | |
97 | CONTEXT_VSUID = 37, | |
98 | CONTEXT_VGID = 38, | |
99 | CONTEXT_VEGID = 39, | |
100 | CONTEXT_VSGID = 40, | |
101 | CONTEXT_TIME_NS = 41, | |
3301e740 DG |
102 | }; |
103 | ||
90b9a268 DG |
104 | /* |
105 | * Taken from the Perf ABI (all enum perf_*) | |
106 | */ | |
107 | enum perf_type { | |
108 | PERF_TYPE_HARDWARE = 0, | |
109 | PERF_TYPE_SOFTWARE = 1, | |
b13d56d7 | 110 | PERF_TYPE_HW_CACHE = 3, |
4fe444da | 111 | PERF_TYPE_RAW = 4, |
3301e740 DG |
112 | }; |
113 | ||
90b9a268 | 114 | enum perf_count_hard { |
28ab034a JG |
115 | PERF_COUNT_HW_CPU_CYCLES = 0, |
116 | PERF_COUNT_HW_INSTRUCTIONS = 1, | |
117 | PERF_COUNT_HW_CACHE_REFERENCES = 2, | |
118 | PERF_COUNT_HW_CACHE_MISSES = 3, | |
119 | PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, | |
120 | PERF_COUNT_HW_BRANCH_MISSES = 5, | |
121 | PERF_COUNT_HW_BUS_CYCLES = 6, | |
122 | PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7, | |
123 | PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8, | |
90b9a268 DG |
124 | }; |
125 | ||
126 | enum perf_count_soft { | |
28ab034a JG |
127 | PERF_COUNT_SW_CPU_CLOCK = 0, |
128 | PERF_COUNT_SW_TASK_CLOCK = 1, | |
129 | PERF_COUNT_SW_PAGE_FAULTS = 2, | |
90b9a268 | 130 | PERF_COUNT_SW_CONTEXT_SWITCHES = 3, |
28ab034a JG |
131 | PERF_COUNT_SW_CPU_MIGRATIONS = 4, |
132 | PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, | |
133 | PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, | |
90b9a268 DG |
134 | PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, |
135 | PERF_COUNT_SW_EMULATION_FAULTS = 8, | |
3301e740 DG |
136 | }; |
137 | ||
b13d56d7 MD |
138 | /* |
139 | * Generalized hardware cache events: | |
140 | * | |
141 | * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x | |
142 | * { read, write, prefetch } x | |
143 | * { accesses, misses } | |
144 | */ | |
145 | enum perf_hw_cache_id { | |
28ab034a JG |
146 | PERF_COUNT_HW_CACHE_L1D = 0, |
147 | PERF_COUNT_HW_CACHE_L1I = 1, | |
148 | PERF_COUNT_HW_CACHE_LL = 2, | |
149 | PERF_COUNT_HW_CACHE_DTLB = 3, | |
150 | PERF_COUNT_HW_CACHE_ITLB = 4, | |
151 | PERF_COUNT_HW_CACHE_BPU = 5, | |
152 | ||
153 | PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ | |
b13d56d7 MD |
154 | }; |
155 | ||
156 | enum perf_hw_cache_op_id { | |
28ab034a JG |
157 | PERF_COUNT_HW_CACHE_OP_READ = 0, |
158 | PERF_COUNT_HW_CACHE_OP_WRITE = 1, | |
159 | PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, | |
b13d56d7 | 160 | |
28ab034a | 161 | PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ |
b13d56d7 MD |
162 | }; |
163 | ||
164 | enum perf_hw_cache_op_result_id { | |
28ab034a JG |
165 | PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, |
166 | PERF_COUNT_HW_CACHE_RESULT_MISS = 1, | |
b13d56d7 | 167 | |
28ab034a | 168 | PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ |
b13d56d7 MD |
169 | }; |
170 | ||
d65106b1 DG |
171 | static struct poptOption long_options[] = { |
172 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
cd9adb8b JG |
173 | { "help", 'h', POPT_ARG_NONE, nullptr, OPT_HELP, nullptr, nullptr }, |
174 | { "session", 's', POPT_ARG_STRING, &opt_session_name, 0, nullptr, nullptr }, | |
175 | { "channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, nullptr, nullptr }, | |
176 | { "kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, nullptr, nullptr }, | |
177 | { "userspace", 'u', POPT_ARG_NONE, nullptr, OPT_USERSPACE, nullptr, nullptr }, | |
178 | { "jul", 'j', POPT_ARG_NONE, nullptr, OPT_JUL, nullptr, nullptr }, | |
179 | { "log4j", 'l', POPT_ARG_NONE, nullptr, OPT_LOG4J, nullptr, nullptr }, | |
47abf22b | 180 | { "log4j2", 0, POPT_ARG_NONE, nullptr, OPT_LOG4J2, nullptr, nullptr }, |
cd9adb8b JG |
181 | { "type", 't', POPT_ARG_STRING, &opt_type, OPT_TYPE, nullptr, nullptr }, |
182 | { "list", 0, POPT_ARG_NONE, nullptr, OPT_LIST, nullptr, nullptr }, | |
183 | { "list-options", 0, POPT_ARG_NONE, nullptr, OPT_LIST_OPTIONS, nullptr, nullptr }, | |
184 | { nullptr, 0, 0, nullptr, 0, nullptr, nullptr } | |
d65106b1 DG |
185 | }; |
186 | ||
90b9a268 | 187 | /* |
b13d56d7 | 188 | * Context options |
90b9a268 | 189 | */ |
28ab034a JG |
190 | #define PERF_HW(optstr, name, type, hide) \ |
191 | { \ | |
192 | optstr, type, PERF_COUNT_HW_##name, hide \ | |
b13d56d7 | 193 | } |
90b9a268 | 194 | |
28ab034a JG |
195 | #define PERF_SW(optstr, name, type, hide) \ |
196 | { \ | |
197 | optstr, type, PERF_COUNT_SW_##name, hide \ | |
b13d56d7 | 198 | } |
90b9a268 | 199 | |
28ab034a JG |
200 | #define _PERF_HW_CACHE(optstr, name, type, op, result, hide) \ |
201 | { \ | |
202 | optstr, type, PERF_COUNT_HW_CACHE_##name, PERF_COUNT_HW_CACHE_OP_##op, \ | |
203 | PERF_COUNT_HW_CACHE_RESULT_##result, hide, \ | |
b13d56d7 MD |
204 | } |
205 | ||
28ab034a JG |
206 | #define PERF_HW_CACHE(optstr, name, type, hide) \ |
207 | _PERF_HW_CACHE(optstr "-loads", name, type, READ, ACCESS, hide), \ | |
208 | _PERF_HW_CACHE(optstr "-load-misses", name, type, READ, MISS, hide), \ | |
209 | _PERF_HW_CACHE(optstr "-stores", name, type, WRITE, ACCESS, hide), \ | |
210 | _PERF_HW_CACHE(optstr "-store-misses", name, type, WRITE, MISS, hide), \ | |
211 | _PERF_HW_CACHE(optstr "-prefetches", name, type, PREFETCH, ACCESS, hide), \ | |
212 | _PERF_HW_CACHE(optstr "-prefetch-misses", name, type, PREFETCH, MISS, hide) | |
b13d56d7 | 213 | |
f1494934 | 214 | namespace { |
b13d56d7 | 215 | const struct ctx_opts { |
48a40005 | 216 | /* Needed for end-of-list item. */ |
28ab034a JG |
217 | ctx_opts() : ctx_opts(nullptr, CONTEXT_UNKNOWN) |
218 | { | |
219 | } | |
48a40005 | 220 | |
28ab034a JG |
221 | ctx_opts(const char *symbol_, context_type ctx_type_, bool hide_help_ = false) : |
222 | symbol((char *) symbol_), ctx_type(ctx_type_), hide_help(hide_help_) | |
223 | { | |
224 | } | |
48a40005 | 225 | |
28ab034a JG |
226 | ctx_opts(const char *symbol_, |
227 | context_type ctx_type_, | |
228 | perf_count_hard perf_count_hard, | |
229 | bool hide_help_) : | |
230 | ctx_opts(symbol_, ctx_type_, hide_help_) | |
48a40005 SM |
231 | { |
232 | u.perf.type = PERF_TYPE_HARDWARE; | |
233 | u.perf.config = perf_count_hard; | |
234 | } | |
235 | ||
28ab034a JG |
236 | ctx_opts(const char *symbol_, |
237 | context_type ctx_type_, | |
238 | perf_count_soft perf_count_soft, | |
239 | bool hide_help_) : | |
240 | ctx_opts(symbol_, ctx_type_, hide_help_) | |
48a40005 SM |
241 | { |
242 | u.perf.type = PERF_TYPE_SOFTWARE; | |
243 | u.perf.config = perf_count_soft; | |
244 | } | |
245 | ||
28ab034a JG |
246 | ctx_opts(const char *symbol_, |
247 | context_type ctx_type_, | |
248 | perf_hw_cache_id perf_hw_cache_id, | |
249 | perf_hw_cache_op_id perf_hw_cache_op_id, | |
250 | perf_hw_cache_op_result_id perf_hw_cache_op_result_id, | |
251 | bool hide_help_) : | |
252 | ctx_opts(symbol_, ctx_type_, hide_help_) | |
48a40005 SM |
253 | { |
254 | u.perf.type = PERF_TYPE_HW_CACHE; | |
28ab034a JG |
255 | u.perf.config = perf_hw_cache_id | perf_hw_cache_op_id << 8 | |
256 | perf_hw_cache_op_result_id << 16; | |
48a40005 SM |
257 | } |
258 | ||
90b9a268 | 259 | char *symbol; |
b13d56d7 | 260 | enum context_type ctx_type; |
28ab034a | 261 | bool hide_help; /* Hide from --help */ |
b13d56d7 MD |
262 | union { |
263 | struct { | |
264 | uint32_t type; | |
265 | uint64_t config; | |
266 | } perf; | |
e9492550 JG |
267 | struct { |
268 | char *provider_name; | |
269 | char *ctx_name; | |
270 | } app_ctx; | |
b13d56d7 MD |
271 | } u; |
272 | } ctx_opts[] = { | |
b53d4e59 SM |
273 | /* |
274 | * These (char *) casts (as well as those in the PERF_* macros) are | |
275 | * safe because we never free these instances of `struct ctx_opts`. | |
276 | */ | |
277 | { (char *) "pid", CONTEXT_PID }, | |
278 | { (char *) "procname", CONTEXT_PROCNAME }, | |
279 | { (char *) "prio", CONTEXT_PRIO }, | |
280 | { (char *) "nice", CONTEXT_NICE }, | |
281 | { (char *) "vpid", CONTEXT_VPID }, | |
282 | { (char *) "tid", CONTEXT_TID }, | |
283 | { (char *) "pthread_id", CONTEXT_PTHREAD_ID }, | |
284 | { (char *) "vtid", CONTEXT_VTID }, | |
285 | { (char *) "ppid", CONTEXT_PPID }, | |
286 | { (char *) "vppid", CONTEXT_VPPID }, | |
287 | { (char *) "hostname", CONTEXT_HOSTNAME }, | |
288 | { (char *) "ip", CONTEXT_IP }, | |
289 | { (char *) "interruptible", CONTEXT_INTERRUPTIBLE }, | |
290 | { (char *) "preemptible", CONTEXT_PREEMPTIBLE }, | |
291 | { (char *) "need_reschedule", CONTEXT_NEED_RESCHEDULE }, | |
292 | { (char *) "migratable", CONTEXT_MIGRATABLE }, | |
293 | { (char *) "callstack-kernel", CONTEXT_CALLSTACK_KERNEL }, | |
ce7fc42f | 294 | #ifdef HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT |
b53d4e59 | 295 | { (char *) "callstack-user", CONTEXT_CALLSTACK_USER }, |
373148e9 | 296 | #endif |
b53d4e59 SM |
297 | { (char *) "cgroup_ns", CONTEXT_CGROUP_NS }, |
298 | { (char *) "ipc_ns", CONTEXT_IPC_NS }, | |
299 | { (char *) "mnt_ns", CONTEXT_MNT_NS }, | |
300 | { (char *) "net_ns", CONTEXT_NET_NS }, | |
301 | { (char *) "pid_ns", CONTEXT_PID_NS }, | |
d37ac3cd | 302 | { (char *) "time_ns", CONTEXT_TIME_NS }, |
b53d4e59 SM |
303 | { (char *) "user_ns", CONTEXT_USER_NS }, |
304 | { (char *) "uts_ns", CONTEXT_UTS_NS }, | |
305 | { (char *) "uid", CONTEXT_UID }, | |
306 | { (char *) "euid", CONTEXT_EUID }, | |
307 | { (char *) "suid", CONTEXT_SUID }, | |
308 | { (char *) "gid", CONTEXT_GID }, | |
309 | { (char *) "egid", CONTEXT_EGID }, | |
310 | { (char *) "sgid", CONTEXT_SGID }, | |
311 | { (char *) "vuid", CONTEXT_VUID }, | |
312 | { (char *) "veuid", CONTEXT_VEUID }, | |
313 | { (char *) "vsuid", CONTEXT_VSUID }, | |
314 | { (char *) "vgid", CONTEXT_VGID }, | |
315 | { (char *) "vegid", CONTEXT_VEGID }, | |
316 | { (char *) "vsgid", CONTEXT_VSGID }, | |
aa3514e9 | 317 | |
b13d56d7 | 318 | /* Perf options */ |
aa3514e9 MD |
319 | |
320 | /* Perf per-CPU counters */ | |
28ab034a JG |
321 | PERF_HW("perf:cpu:cpu-cycles", CPU_CYCLES, CONTEXT_PERF_CPU_COUNTER, 0), |
322 | PERF_HW("perf:cpu:cycles", CPU_CYCLES, CONTEXT_PERF_CPU_COUNTER, 0), | |
323 | PERF_HW("perf:cpu:stalled-cycles-frontend", | |
324 | STALLED_CYCLES_FRONTEND, | |
325 | CONTEXT_PERF_CPU_COUNTER, | |
326 | 0), | |
327 | PERF_HW("perf:cpu:idle-cycles-frontend", | |
328 | STALLED_CYCLES_FRONTEND, | |
329 | CONTEXT_PERF_CPU_COUNTER, | |
330 | 0), | |
331 | PERF_HW("perf:cpu:stalled-cycles-backend", | |
332 | STALLED_CYCLES_BACKEND, | |
333 | CONTEXT_PERF_CPU_COUNTER, | |
334 | 0), | |
335 | PERF_HW("perf:cpu:idle-cycles-backend", STALLED_CYCLES_BACKEND, CONTEXT_PERF_CPU_COUNTER, 0), | |
336 | PERF_HW("perf:cpu:instructions", INSTRUCTIONS, CONTEXT_PERF_CPU_COUNTER, 0), | |
337 | PERF_HW("perf:cpu:cache-references", CACHE_REFERENCES, CONTEXT_PERF_CPU_COUNTER, 0), | |
338 | PERF_HW("perf:cpu:cache-misses", CACHE_MISSES, CONTEXT_PERF_CPU_COUNTER, 0), | |
339 | PERF_HW("perf:cpu:branch-instructions", BRANCH_INSTRUCTIONS, CONTEXT_PERF_CPU_COUNTER, 0), | |
340 | PERF_HW("perf:cpu:branches", BRANCH_INSTRUCTIONS, CONTEXT_PERF_CPU_COUNTER, 0), | |
341 | PERF_HW("perf:cpu:branch-misses", BRANCH_MISSES, CONTEXT_PERF_CPU_COUNTER, 0), | |
342 | PERF_HW("perf:cpu:bus-cycles", BUS_CYCLES, CONTEXT_PERF_CPU_COUNTER, 0), | |
343 | ||
344 | PERF_HW_CACHE("perf:cpu:L1-dcache", L1D, CONTEXT_PERF_CPU_COUNTER, 0), | |
345 | PERF_HW_CACHE("perf:cpu:L1-icache", L1I, CONTEXT_PERF_CPU_COUNTER, 0), | |
346 | PERF_HW_CACHE("perf:cpu:LLC", LL, CONTEXT_PERF_CPU_COUNTER, 0), | |
347 | PERF_HW_CACHE("perf:cpu:dTLB", DTLB, CONTEXT_PERF_CPU_COUNTER, 0), | |
348 | _PERF_HW_CACHE("perf:cpu:iTLB-loads", ITLB, CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
349 | _PERF_HW_CACHE("perf:cpu:iTLB-load-misses", ITLB, CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
350 | _PERF_HW_CACHE("perf:cpu:branch-loads", BPU, CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
351 | _PERF_HW_CACHE("perf:cpu:branch-load-misses", BPU, CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
352 | ||
353 | PERF_SW("perf:cpu:cpu-clock", CPU_CLOCK, CONTEXT_PERF_CPU_COUNTER, 0), | |
354 | PERF_SW("perf:cpu:task-clock", TASK_CLOCK, CONTEXT_PERF_CPU_COUNTER, 0), | |
355 | PERF_SW("perf:cpu:page-fault", PAGE_FAULTS, CONTEXT_PERF_CPU_COUNTER, 0), | |
356 | PERF_SW("perf:cpu:faults", PAGE_FAULTS, CONTEXT_PERF_CPU_COUNTER, 0), | |
357 | PERF_SW("perf:cpu:major-faults", PAGE_FAULTS_MAJ, CONTEXT_PERF_CPU_COUNTER, 0), | |
358 | PERF_SW("perf:cpu:minor-faults", PAGE_FAULTS_MIN, CONTEXT_PERF_CPU_COUNTER, 0), | |
359 | PERF_SW("perf:cpu:context-switches", CONTEXT_SWITCHES, CONTEXT_PERF_CPU_COUNTER, 0), | |
360 | PERF_SW("perf:cpu:cs", CONTEXT_SWITCHES, CONTEXT_PERF_CPU_COUNTER, 0), | |
361 | PERF_SW("perf:cpu:cpu-migrations", CPU_MIGRATIONS, CONTEXT_PERF_CPU_COUNTER, 0), | |
362 | PERF_SW("perf:cpu:migrations", CPU_MIGRATIONS, CONTEXT_PERF_CPU_COUNTER, 0), | |
363 | PERF_SW("perf:cpu:alignment-faults", ALIGNMENT_FAULTS, CONTEXT_PERF_CPU_COUNTER, 0), | |
364 | PERF_SW("perf:cpu:emulation-faults", EMULATION_FAULTS, CONTEXT_PERF_CPU_COUNTER, 0), | |
aa3514e9 MD |
365 | |
366 | /* Perf per-thread counters */ | |
28ab034a JG |
367 | PERF_HW("perf:thread:cpu-cycles", CPU_CYCLES, CONTEXT_PERF_THREAD_COUNTER, 0), |
368 | PERF_HW("perf:thread:cycles", CPU_CYCLES, CONTEXT_PERF_THREAD_COUNTER, 0), | |
369 | PERF_HW("perf:thread:stalled-cycles-frontend", | |
370 | STALLED_CYCLES_FRONTEND, | |
371 | CONTEXT_PERF_THREAD_COUNTER, | |
372 | 0), | |
373 | PERF_HW("perf:thread:idle-cycles-frontend", | |
374 | STALLED_CYCLES_FRONTEND, | |
375 | CONTEXT_PERF_THREAD_COUNTER, | |
376 | 0), | |
377 | PERF_HW("perf:thread:stalled-cycles-backend", | |
378 | STALLED_CYCLES_BACKEND, | |
379 | CONTEXT_PERF_THREAD_COUNTER, | |
380 | 0), | |
381 | PERF_HW("perf:thread:idle-cycles-backend", | |
382 | STALLED_CYCLES_BACKEND, | |
383 | CONTEXT_PERF_THREAD_COUNTER, | |
384 | 0), | |
385 | PERF_HW("perf:thread:instructions", INSTRUCTIONS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
386 | PERF_HW("perf:thread:cache-references", CACHE_REFERENCES, CONTEXT_PERF_THREAD_COUNTER, 0), | |
387 | PERF_HW("perf:thread:cache-misses", CACHE_MISSES, CONTEXT_PERF_THREAD_COUNTER, 0), | |
388 | PERF_HW("perf:thread:branch-instructions", | |
389 | BRANCH_INSTRUCTIONS, | |
390 | CONTEXT_PERF_THREAD_COUNTER, | |
391 | 0), | |
392 | PERF_HW("perf:thread:branches", BRANCH_INSTRUCTIONS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
393 | PERF_HW("perf:thread:branch-misses", BRANCH_MISSES, CONTEXT_PERF_THREAD_COUNTER, 0), | |
394 | PERF_HW("perf:thread:bus-cycles", BUS_CYCLES, CONTEXT_PERF_THREAD_COUNTER, 0), | |
395 | ||
396 | PERF_HW_CACHE("perf:thread:L1-dcache", L1D, CONTEXT_PERF_THREAD_COUNTER, 0), | |
397 | PERF_HW_CACHE("perf:thread:L1-icache", L1I, CONTEXT_PERF_THREAD_COUNTER, 0), | |
398 | PERF_HW_CACHE("perf:thread:LLC", LL, CONTEXT_PERF_THREAD_COUNTER, 0), | |
399 | PERF_HW_CACHE("perf:thread:dTLB", DTLB, CONTEXT_PERF_THREAD_COUNTER, 0), | |
400 | _PERF_HW_CACHE("perf:thread:iTLB-loads", ITLB, CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
401 | _PERF_HW_CACHE( | |
402 | "perf:thread:iTLB-load-misses", ITLB, CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
403 | _PERF_HW_CACHE( | |
404 | "perf:thread:branch-loads", BPU, CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
405 | _PERF_HW_CACHE( | |
406 | "perf:thread:branch-load-misses", BPU, CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
407 | ||
408 | PERF_SW("perf:thread:cpu-clock", CPU_CLOCK, CONTEXT_PERF_THREAD_COUNTER, 0), | |
409 | PERF_SW("perf:thread:task-clock", TASK_CLOCK, CONTEXT_PERF_THREAD_COUNTER, 0), | |
410 | PERF_SW("perf:thread:page-fault", PAGE_FAULTS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
411 | PERF_SW("perf:thread:faults", PAGE_FAULTS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
412 | PERF_SW("perf:thread:major-faults", PAGE_FAULTS_MAJ, CONTEXT_PERF_THREAD_COUNTER, 0), | |
413 | PERF_SW("perf:thread:minor-faults", PAGE_FAULTS_MIN, CONTEXT_PERF_THREAD_COUNTER, 0), | |
414 | PERF_SW("perf:thread:context-switches", CONTEXT_SWITCHES, CONTEXT_PERF_THREAD_COUNTER, 0), | |
415 | PERF_SW("perf:thread:cs", CONTEXT_SWITCHES, CONTEXT_PERF_THREAD_COUNTER, 0), | |
416 | PERF_SW("perf:thread:cpu-migrations", CPU_MIGRATIONS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
417 | PERF_SW("perf:thread:migrations", CPU_MIGRATIONS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
418 | PERF_SW("perf:thread:alignment-faults", ALIGNMENT_FAULTS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
419 | PERF_SW("perf:thread:emulation-faults", EMULATION_FAULTS, CONTEXT_PERF_THREAD_COUNTER, 0), | |
aa3514e9 MD |
420 | |
421 | /* | |
422 | * Perf per-CPU counters, backward compatibilty for names. | |
423 | * Hidden from help listing. | |
424 | */ | |
28ab034a JG |
425 | PERF_HW("perf:cpu-cycles", CPU_CYCLES, CONTEXT_PERF_COUNTER, 1), |
426 | PERF_HW("perf:cycles", CPU_CYCLES, CONTEXT_PERF_COUNTER, 1), | |
427 | PERF_HW("perf:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, CONTEXT_PERF_COUNTER, 1), | |
428 | PERF_HW("perf:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, CONTEXT_PERF_COUNTER, 1), | |
429 | PERF_HW("perf:stalled-cycles-backend", STALLED_CYCLES_BACKEND, CONTEXT_PERF_COUNTER, 1), | |
430 | PERF_HW("perf:idle-cycles-backend", STALLED_CYCLES_BACKEND, CONTEXT_PERF_COUNTER, 1), | |
431 | PERF_HW("perf:instructions", INSTRUCTIONS, CONTEXT_PERF_COUNTER, 1), | |
432 | PERF_HW("perf:cache-references", CACHE_REFERENCES, CONTEXT_PERF_COUNTER, 1), | |
433 | PERF_HW("perf:cache-misses", CACHE_MISSES, CONTEXT_PERF_COUNTER, 1), | |
434 | PERF_HW("perf:branch-instructions", BRANCH_INSTRUCTIONS, CONTEXT_PERF_COUNTER, 1), | |
435 | PERF_HW("perf:branches", BRANCH_INSTRUCTIONS, CONTEXT_PERF_COUNTER, 1), | |
436 | PERF_HW("perf:branch-misses", BRANCH_MISSES, CONTEXT_PERF_COUNTER, 1), | |
437 | PERF_HW("perf:bus-cycles", BUS_CYCLES, CONTEXT_PERF_COUNTER, 1), | |
438 | ||
439 | PERF_HW_CACHE("perf:L1-dcache", L1D, CONTEXT_PERF_COUNTER, 1), | |
440 | PERF_HW_CACHE("perf:L1-icache", L1I, CONTEXT_PERF_COUNTER, 1), | |
441 | PERF_HW_CACHE("perf:LLC", LL, CONTEXT_PERF_COUNTER, 1), | |
442 | PERF_HW_CACHE("perf:dTLB", DTLB, CONTEXT_PERF_COUNTER, 1), | |
443 | _PERF_HW_CACHE("perf:iTLB-loads", ITLB, CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
444 | _PERF_HW_CACHE("perf:iTLB-load-misses", ITLB, CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
445 | _PERF_HW_CACHE("perf:branch-loads", BPU, CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
446 | _PERF_HW_CACHE("perf:branch-load-misses", BPU, CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
447 | ||
448 | PERF_SW("perf:cpu-clock", CPU_CLOCK, CONTEXT_PERF_COUNTER, 1), | |
449 | PERF_SW("perf:task-clock", TASK_CLOCK, CONTEXT_PERF_COUNTER, 1), | |
450 | PERF_SW("perf:page-fault", PAGE_FAULTS, CONTEXT_PERF_COUNTER, 1), | |
451 | PERF_SW("perf:faults", PAGE_FAULTS, CONTEXT_PERF_COUNTER, 1), | |
452 | PERF_SW("perf:major-faults", PAGE_FAULTS_MAJ, CONTEXT_PERF_COUNTER, 1), | |
453 | PERF_SW("perf:minor-faults", PAGE_FAULTS_MIN, CONTEXT_PERF_COUNTER, 1), | |
454 | PERF_SW("perf:context-switches", CONTEXT_SWITCHES, CONTEXT_PERF_COUNTER, 1), | |
455 | PERF_SW("perf:cs", CONTEXT_SWITCHES, CONTEXT_PERF_COUNTER, 1), | |
456 | PERF_SW("perf:cpu-migrations", CPU_MIGRATIONS, CONTEXT_PERF_COUNTER, 1), | |
457 | PERF_SW("perf:migrations", CPU_MIGRATIONS, CONTEXT_PERF_COUNTER, 1), | |
458 | PERF_SW("perf:alignment-faults", ALIGNMENT_FAULTS, CONTEXT_PERF_COUNTER, 1), | |
459 | PERF_SW("perf:emulation-faults", EMULATION_FAULTS, CONTEXT_PERF_COUNTER, 1), | |
460 | ||
461 | {}, /* Closure */ | |
90b9a268 DG |
462 | }; |
463 | ||
aa3514e9 MD |
464 | #undef PERF_HW_CACHE |
465 | #undef _PERF_HW_CACHE | |
b13d56d7 MD |
466 | #undef PERF_SW |
467 | #undef PERF_HW | |
468 | ||
90b9a268 | 469 | /* |
b13d56d7 | 470 | * Context type for command line option parsing. |
90b9a268 | 471 | */ |
b13d56d7 | 472 | struct ctx_type { |
e9492550 | 473 | struct ctx_opts *opt; |
b13d56d7 | 474 | struct cds_list_head list; |
90b9a268 DG |
475 | }; |
476 | ||
477 | /* | |
478 | * List of context type. Use to enable multiple context on a single command | |
479 | * line entry. | |
480 | */ | |
481 | struct ctx_type_list { | |
482 | struct cds_list_head head; | |
483 | } ctx_type_list = { | |
484 | .head = CDS_LIST_HEAD_INIT(ctx_type_list.head), | |
485 | }; | |
f1494934 | 486 | } /* namespace */ |
90b9a268 | 487 | |
90b9a268 DG |
488 | /* |
489 | * Find context numerical value from string. | |
e9492550 JG |
490 | * |
491 | * Return -1 if not found. | |
90b9a268 DG |
492 | */ |
493 | static int find_ctx_type_idx(const char *opt) | |
494 | { | |
e9492550 | 495 | int ret, i = 0; |
90b9a268 | 496 | |
cd9adb8b | 497 | while (ctx_opts[i].symbol != nullptr) { |
90b9a268 DG |
498 | if (strcmp(opt, ctx_opts[i].symbol) == 0) { |
499 | ret = i; | |
500 | goto end; | |
501 | } | |
502 | i++; | |
503 | } | |
504 | ||
e9492550 | 505 | ret = -1; |
90b9a268 DG |
506 | end: |
507 | return ret; | |
508 | } | |
509 | ||
cd9adb8b | 510 | static enum lttng_domain_type get_domain() |
e9492550 JG |
511 | { |
512 | if (opt_kernel) { | |
513 | return LTTNG_DOMAIN_KERNEL; | |
514 | } else if (opt_userspace) { | |
515 | return LTTNG_DOMAIN_UST; | |
516 | } else if (opt_jul) { | |
517 | return LTTNG_DOMAIN_JUL; | |
518 | } else if (opt_log4j) { | |
519 | return LTTNG_DOMAIN_LOG4J; | |
47abf22b MJ |
520 | } else if (opt_log4j2) { |
521 | return LTTNG_DOMAIN_LOG4J2; | |
e9492550 | 522 | } else { |
a0377dfe | 523 | abort(); |
e9492550 JG |
524 | } |
525 | } | |
526 | ||
cd9adb8b | 527 | static int mi_open() |
59deec0c JR |
528 | { |
529 | int ret; | |
530 | ||
531 | /* MI check */ | |
532 | if (!lttng_opt_mi) { | |
533 | ret = 0; | |
534 | goto end; | |
535 | } | |
536 | ||
537 | ret = fileno(stdout); | |
538 | if (ret < 0) { | |
1e2d9dfa | 539 | PERROR("Unable to retrieve fileno of stdout"); |
59deec0c JR |
540 | ret = CMD_ERROR; |
541 | goto end; | |
542 | } | |
543 | ||
544 | writer = mi_lttng_writer_create(ret, lttng_opt_mi); | |
545 | if (!writer) { | |
546 | ret = CMD_ERROR; | |
547 | goto end; | |
548 | } | |
549 | ||
550 | /* Open command element */ | |
28ab034a | 551 | ret = mi_lttng_writer_command_open(writer, mi_lttng_element_command_add_context); |
59deec0c JR |
552 | if (ret) { |
553 | ret = CMD_ERROR; | |
554 | goto end; | |
555 | } | |
556 | ||
557 | /* Open output element */ | |
28ab034a | 558 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command_output); |
59deec0c JR |
559 | if (ret) { |
560 | ret = CMD_ERROR; | |
561 | goto end; | |
562 | } | |
563 | end: | |
564 | return ret; | |
565 | } | |
566 | ||
28ab034a | 567 | static int mi_close(enum cmd_error_code success) |
59deec0c JR |
568 | { |
569 | int ret; | |
570 | ||
571 | /* MI closing */ | |
572 | if (!lttng_opt_mi) { | |
573 | ret = 0; | |
574 | goto end; | |
575 | } | |
576 | /* Close output element */ | |
577 | ret = mi_lttng_writer_close_element(writer); | |
578 | if (ret) { | |
579 | ret = CMD_ERROR; | |
580 | goto end; | |
581 | } | |
582 | ||
583 | /* Success ? */ | |
28ab034a JG |
584 | ret = mi_lttng_writer_write_element_bool( |
585 | writer, mi_lttng_element_command_success, !success); | |
59deec0c JR |
586 | if (ret) { |
587 | ret = CMD_ERROR; | |
588 | goto end; | |
589 | } | |
590 | ||
591 | /* Command element close */ | |
592 | ret = mi_lttng_writer_command_close(writer); | |
593 | if (ret) { | |
594 | ret = CMD_ERROR; | |
595 | goto end; | |
596 | } | |
597 | end: | |
598 | return ret; | |
599 | } | |
600 | ||
28ab034a | 601 | static void populate_context(struct lttng_event_context *context, const struct ctx_opts *opt) |
59deec0c JR |
602 | { |
603 | char *ptr; | |
604 | ||
605 | context->ctx = (enum lttng_event_context_type) opt->ctx_type; | |
606 | switch (context->ctx) { | |
607 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
608 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
609 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
610 | context->u.perf_counter.type = opt->u.perf.type; | |
611 | context->u.perf_counter.config = opt->u.perf.config; | |
28ab034a | 612 | strncpy(context->u.perf_counter.name, opt->symbol, LTTNG_SYMBOL_NAME_LEN); |
59deec0c JR |
613 | context->u.perf_counter.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; |
614 | /* Replace : and - by _ */ | |
cd9adb8b | 615 | while ((ptr = strchr(context->u.perf_counter.name, '-')) != nullptr) { |
59deec0c JR |
616 | *ptr = '_'; |
617 | } | |
cd9adb8b | 618 | while ((ptr = strchr(context->u.perf_counter.name, ':')) != nullptr) { |
59deec0c JR |
619 | *ptr = '_'; |
620 | } | |
621 | break; | |
622 | case LTTNG_EVENT_CONTEXT_APP_CONTEXT: | |
28ab034a JG |
623 | context->u.app_ctx.provider_name = opt->u.app_ctx.provider_name; |
624 | context->u.app_ctx.ctx_name = opt->u.app_ctx.ctx_name; | |
59deec0c JR |
625 | break; |
626 | default: | |
627 | break; | |
628 | } | |
629 | } | |
630 | ||
631 | /* | |
632 | * Pretty print context type. | |
633 | */ | |
cd9adb8b | 634 | static int print_ctx_type() |
59deec0c | 635 | { |
59deec0c JR |
636 | FILE *ofp = stdout; |
637 | int i = 0; | |
638 | int ret; | |
639 | struct lttng_event_context context; | |
640 | ||
641 | memset(&context, 0, sizeof(context)); | |
642 | ||
643 | ret = mi_open(); | |
644 | if (ret) { | |
645 | ret = CMD_ERROR; | |
646 | goto end; | |
647 | } | |
648 | ||
649 | if (lttng_opt_mi) { | |
650 | /* Open a contexts element */ | |
651 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
652 | if (ret) { | |
653 | ret = CMD_ERROR; | |
654 | goto end; | |
655 | } | |
656 | } | |
657 | ||
cd9adb8b | 658 | while (ctx_opts[i].symbol != nullptr) { |
59deec0c JR |
659 | if (!ctx_opts[i].hide_help) { |
660 | if (lttng_opt_mi) { | |
661 | populate_context(&context, &ctx_opts[i]); | |
662 | ret = mi_lttng_context(writer, &context, 1); | |
663 | if (ret) { | |
664 | ret = CMD_ERROR; | |
665 | goto end; | |
666 | } | |
667 | ||
668 | ret = mi_lttng_writer_write_element_string( | |
28ab034a JG |
669 | writer, |
670 | mi_lttng_element_context_symbol, | |
671 | ctx_opts[i].symbol); | |
59deec0c JR |
672 | if (ret) { |
673 | ret = CMD_ERROR; | |
674 | goto end; | |
675 | } | |
676 | ||
677 | ret = mi_lttng_writer_close_element(writer); | |
678 | if (ret) { | |
679 | ret = CMD_ERROR; | |
680 | goto end; | |
681 | } | |
682 | } else { | |
683 | fprintf(ofp, "%s\n", ctx_opts[i].symbol); | |
684 | } | |
685 | } | |
686 | i++; | |
687 | } | |
688 | ||
689 | if (lttng_opt_mi) { | |
690 | /* Close contexts element */ | |
691 | ret = mi_lttng_writer_close_element(writer); | |
692 | if (ret) { | |
693 | goto end; | |
694 | } | |
695 | } | |
696 | ||
697 | end: | |
48a40005 | 698 | ret = mi_close((cmd_error_code) ret); |
59deec0c JR |
699 | if (ret) { |
700 | ret = CMD_ERROR; | |
701 | } | |
702 | return ret; | |
703 | } | |
704 | ||
90b9a268 DG |
705 | /* |
706 | * Add context to channel or event. | |
d65106b1 | 707 | */ |
cd80958d | 708 | static int add_context(char *session_name) |
d65106b1 | 709 | { |
89b72577 | 710 | int ret = CMD_SUCCESS, warn = 0, success = 0; |
7d29a247 DG |
711 | struct lttng_event_context context; |
712 | struct lttng_domain dom; | |
3301e740 | 713 | struct ctx_type *type; |
d65106b1 | 714 | |
441c16a7 MD |
715 | memset(&context, 0, sizeof(context)); |
716 | memset(&dom, 0, sizeof(dom)); | |
717 | ||
e9492550 | 718 | dom.type = get_domain(); |
cd80958d | 719 | handle = lttng_create_handle(session_name, &dom); |
cd9adb8b | 720 | if (handle == nullptr) { |
af87c45a | 721 | ret = CMD_ERROR; |
cd80958d DG |
722 | goto error; |
723 | } | |
724 | ||
89b72577 JRJ |
725 | if (lttng_opt_mi) { |
726 | /* Open a contexts element */ | |
727 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
728 | if (ret) { | |
729 | goto error; | |
730 | } | |
731 | } | |
732 | ||
5eb00805 | 733 | /* Iterate over all the context types given */ |
28ab034a | 734 | cds_list_for_each_entry (type, &ctx_type_list.head, list) { |
55cc08a6 DG |
735 | DBG("Adding context..."); |
736 | ||
59deec0c JR |
737 | populate_context(&context, type->opt); |
738 | ||
89b72577 JRJ |
739 | if (lttng_opt_mi) { |
740 | /* We leave context open the update the success of the command */ | |
741 | ret = mi_lttng_context(writer, &context, 1); | |
742 | if (ret) { | |
743 | ret = CMD_ERROR; | |
744 | goto error; | |
745 | } | |
59deec0c | 746 | |
28ab034a JG |
747 | ret = mi_lttng_writer_write_element_string( |
748 | writer, mi_lttng_element_context_symbol, type->opt->symbol); | |
59deec0c JR |
749 | if (ret) { |
750 | ret = CMD_ERROR; | |
751 | goto error; | |
752 | } | |
89b72577 JRJ |
753 | } |
754 | ||
cd9adb8b | 755 | ret = lttng_add_context(handle, &context, nullptr, opt_channel_name); |
55cc08a6 | 756 | if (ret < 0) { |
b58471ff | 757 | ERR("%s: %s", type->opt->symbol, lttng_strerror(ret)); |
d16c1a4c | 758 | warn = 1; |
89b72577 | 759 | success = 0; |
d65106b1 | 760 | } else { |
601d5acf | 761 | if (opt_channel_name) { |
b58471ff | 762 | MSG("%s context %s added to channel %s", |
28ab034a JG |
763 | lttng_domain_type_str(dom.type), |
764 | type->opt->symbol, | |
765 | opt_channel_name); | |
b58471ff DG |
766 | } else { |
767 | MSG("%s context %s added to all channels", | |
28ab034a JG |
768 | lttng_domain_type_str(dom.type), |
769 | type->opt->symbol); | |
b58471ff | 770 | } |
89b72577 JRJ |
771 | success = 1; |
772 | } | |
773 | ||
774 | if (lttng_opt_mi) { | |
775 | /* Is the single operation a success ? */ | |
28ab034a JG |
776 | ret = mi_lttng_writer_write_element_bool( |
777 | writer, mi_lttng_element_success, success); | |
89b72577 JRJ |
778 | if (ret) { |
779 | ret = CMD_ERROR; | |
780 | goto error; | |
781 | } | |
782 | ||
783 | /* Close the context element */ | |
784 | ret = mi_lttng_writer_close_element(writer); | |
785 | if (ret) { | |
786 | ret = CMD_ERROR; | |
787 | goto error; | |
788 | } | |
789 | } | |
790 | } | |
791 | ||
792 | if (lttng_opt_mi) { | |
793 | /* Close contexts element */ | |
794 | ret = mi_lttng_writer_close_element(writer); | |
795 | if (ret) { | |
796 | goto error; | |
d65106b1 | 797 | } |
d65106b1 DG |
798 | } |
799 | ||
af87c45a DG |
800 | ret = CMD_SUCCESS; |
801 | ||
d65106b1 | 802 | error: |
cd80958d DG |
803 | lttng_destroy_handle(handle); |
804 | ||
d16c1a4c DG |
805 | /* |
806 | * This means that at least one add_context failed and tells the user to | |
807 | * look on stderr for error(s). | |
808 | */ | |
89b72577 | 809 | if (!ret && warn) { |
d16c1a4c DG |
810 | ret = CMD_WARNING; |
811 | } | |
d65106b1 DG |
812 | return ret; |
813 | } | |
814 | ||
28ab034a | 815 | static void destroy_ctx_type(struct ctx_type *type) |
e9492550 JG |
816 | { |
817 | if (!type) { | |
818 | return; | |
819 | } | |
37d11aa6 | 820 | |
1e19c0f6 JR |
821 | if (type->opt) { |
822 | free(type->opt->symbol); | |
37d11aa6 | 823 | |
ca400a29 JG |
824 | if (type->opt->ctx_type == CONTEXT_APP_CONTEXT) { |
825 | free(type->opt->u.app_ctx.ctx_name); | |
826 | free(type->opt->u.app_ctx.provider_name); | |
827 | } | |
37d11aa6 JG |
828 | } |
829 | ||
64803277 | 830 | delete type->opt; |
e9492550 JG |
831 | free(type); |
832 | } | |
833 | ||
cd9adb8b | 834 | static struct ctx_type *create_ctx_type() |
e9492550 | 835 | { |
64803277 | 836 | struct ctx_type *type = zmalloc<ctx_type>(); |
e9492550 JG |
837 | |
838 | if (!type) { | |
839 | PERROR("malloc ctx_type"); | |
840 | goto end; | |
841 | } | |
842 | ||
64803277 | 843 | type->opt = new struct ctx_opts; |
e9492550 JG |
844 | if (!type->opt) { |
845 | PERROR("malloc ctx_type options"); | |
846 | destroy_ctx_type(type); | |
cd9adb8b | 847 | type = nullptr; |
e9492550 JG |
848 | goto end; |
849 | } | |
850 | end: | |
851 | return type; | |
852 | } | |
853 | ||
28ab034a | 854 | static int find_ctx_type_perf_raw(const char *ctx, struct ctx_type *type) |
4fe444da JD |
855 | { |
856 | int ret; | |
857 | int field_pos = 0; | |
858 | char *tmp_list, *cur_list; | |
859 | ||
860 | cur_list = tmp_list = strdup(ctx); | |
861 | if (!tmp_list) { | |
862 | PERROR("strdup temp list"); | |
863 | ret = -ENOMEM; | |
864 | goto end; | |
865 | } | |
866 | ||
867 | /* Looking for "perf:[cpu|thread]:raw:<mask>:<name>". */ | |
868 | for (;;) { | |
869 | char *next; | |
870 | ||
871 | next = strtok(cur_list, ":"); | |
872 | if (!next) { | |
873 | break; | |
874 | } | |
cd9adb8b | 875 | cur_list = nullptr; |
4fe444da JD |
876 | switch (field_pos) { |
877 | case 0: | |
878 | if (strncmp(next, "perf", 4) != 0) { | |
879 | ret = -1; | |
880 | goto end; | |
881 | } | |
882 | break; | |
883 | case 1: | |
884 | if (strncmp(next, "cpu", 3) == 0) { | |
885 | type->opt->ctx_type = CONTEXT_PERF_CPU_COUNTER; | |
886 | } else if (strncmp(next, "thread", 4) == 0) { | |
887 | type->opt->ctx_type = CONTEXT_PERF_THREAD_COUNTER; | |
888 | } else { | |
889 | ret = -1; | |
890 | goto end; | |
891 | } | |
892 | break; | |
893 | case 2: | |
894 | if (strncmp(next, "raw", 3) != 0) { | |
895 | ret = -1; | |
896 | goto end; | |
897 | } | |
898 | break; | |
899 | case 3: | |
900 | { | |
901 | char *endptr; | |
902 | ||
903 | if (strlen(next) < 2 || next[0] != 'r') { | |
904 | ERR("Wrong perf raw mask format: expected rNNN"); | |
905 | ret = -1; | |
906 | goto end; | |
907 | } | |
908 | errno = 0; | |
28ab034a | 909 | type->opt->u.perf.config = strtoll(next + 1, &endptr, 16); |
4fe444da JD |
910 | if (errno != 0 || !endptr || *endptr) { |
911 | ERR("Wrong perf raw mask format: expected rNNN"); | |
912 | ret = -1; | |
913 | goto end; | |
914 | } | |
915 | break; | |
916 | } | |
917 | case 4: | |
918 | /* name */ | |
919 | break; | |
920 | case 5: | |
921 | ERR("Too many ':' in perf raw format"); | |
922 | ret = -1; | |
923 | goto end; | |
924 | }; | |
925 | field_pos++; | |
926 | } | |
927 | ||
928 | if (field_pos < 5) { | |
929 | ERR("Invalid perf counter specifier, expected a specifier of " | |
28ab034a JG |
930 | "the form perf:cpu:raw:rNNN:<name> or " |
931 | "perf:thread:raw:rNNN:<name>"); | |
4fe444da JD |
932 | ret = -1; |
933 | goto end; | |
934 | } | |
935 | ||
936 | ret = 0; | |
937 | goto end; | |
938 | ||
939 | end: | |
940 | free(tmp_list); | |
941 | return ret; | |
942 | } | |
943 | ||
28ab034a | 944 | static struct ctx_type *get_context_type(const char *ctx) |
e9492550 | 945 | { |
4fe444da | 946 | int opt_index, ret; |
cd9adb8b | 947 | struct ctx_type *type = nullptr; |
e9492550 | 948 | const char app_ctx_prefix[] = "$app."; |
cd9adb8b | 949 | char *provider_name = nullptr, *ctx_name = nullptr; |
e9492550 JG |
950 | size_t i, len, colon_pos = 0, provider_name_len, ctx_name_len; |
951 | ||
952 | if (!ctx) { | |
953 | goto not_found; | |
954 | } | |
955 | ||
956 | type = create_ctx_type(); | |
957 | if (!type) { | |
958 | goto not_found; | |
959 | } | |
960 | ||
961 | /* Check if ctx matches a known static context. */ | |
962 | opt_index = find_ctx_type_idx(ctx); | |
963 | if (opt_index >= 0) { | |
964 | *type->opt = ctx_opts[opt_index]; | |
965 | type->opt->symbol = strdup(ctx_opts[opt_index].symbol); | |
966 | goto found; | |
967 | } | |
968 | ||
4fe444da JD |
969 | /* Check if ctx is a raw perf context. */ |
970 | ret = find_ctx_type_perf_raw(ctx, type); | |
971 | if (ret == 0) { | |
972 | type->opt->u.perf.type = PERF_TYPE_RAW; | |
973 | type->opt->symbol = strdup(ctx); | |
974 | if (!type->opt->symbol) { | |
975 | PERROR("Copy perf field name"); | |
976 | goto not_found; | |
977 | } | |
978 | goto found; | |
979 | } | |
980 | ||
e9492550 JG |
981 | /* |
982 | * No match found against static contexts; check if it is an app | |
983 | * context. | |
984 | */ | |
985 | len = strlen(ctx); | |
986 | if (len <= sizeof(app_ctx_prefix) - 1) { | |
987 | goto not_found; | |
988 | } | |
989 | ||
990 | /* String starts with $app. */ | |
5c7248cd | 991 | if (strncmp(ctx, app_ctx_prefix, sizeof(app_ctx_prefix) - 1) != 0) { |
e9492550 JG |
992 | goto not_found; |
993 | } | |
994 | ||
995 | /* Validate that the ':' separator is present. */ | |
996 | for (i = sizeof(app_ctx_prefix); i < len; i++) { | |
997 | const char c = ctx[i]; | |
998 | ||
999 | if (c == ':') { | |
1000 | colon_pos = i; | |
1001 | break; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | /* | |
1006 | * No colon found or no ctx name ("$app.provider:") or no provider name | |
1007 | * given ("$app.:..."), which is invalid. | |
1008 | */ | |
28ab034a | 1009 | if (!colon_pos || colon_pos == len || colon_pos == sizeof(app_ctx_prefix)) { |
e9492550 JG |
1010 | ERR("Invalid application context provided: no provider or context name provided."); |
1011 | goto not_found; | |
1012 | } | |
1013 | ||
1014 | provider_name_len = colon_pos - sizeof(app_ctx_prefix) + 2; | |
64803277 | 1015 | provider_name = calloc<char>(provider_name_len); |
e9492550 JG |
1016 | if (!provider_name) { |
1017 | PERROR("malloc provider_name"); | |
1018 | goto not_found; | |
1019 | } | |
28ab034a | 1020 | strncpy(provider_name, ctx + sizeof(app_ctx_prefix) - 1, provider_name_len - 1); |
e9492550 JG |
1021 | type->opt->u.app_ctx.provider_name = provider_name; |
1022 | ||
1023 | ctx_name_len = len - colon_pos; | |
64803277 | 1024 | ctx_name = calloc<char>(ctx_name_len); |
e9492550 JG |
1025 | if (!ctx_name) { |
1026 | PERROR("malloc ctx_name"); | |
1027 | goto not_found; | |
1028 | } | |
1029 | strncpy(ctx_name, ctx + colon_pos + 1, ctx_name_len - 1); | |
1030 | type->opt->u.app_ctx.ctx_name = ctx_name; | |
1031 | type->opt->ctx_type = CONTEXT_APP_CONTEXT; | |
1032 | type->opt->symbol = strdup(ctx); | |
1033 | found: | |
1034 | return type; | |
1035 | not_found: | |
1036 | free(provider_name); | |
1037 | free(ctx_name); | |
1038 | destroy_ctx_type(type); | |
cd9adb8b | 1039 | return nullptr; |
e9492550 JG |
1040 | } |
1041 | ||
d65106b1 | 1042 | /* |
5eb00805 | 1043 | * Add context to channel or event. |
d65106b1 DG |
1044 | */ |
1045 | int cmd_add_context(int argc, const char **argv) | |
1046 | { | |
e9492550 | 1047 | int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
d65106b1 | 1048 | static poptContext pc; |
b13d56d7 | 1049 | struct ctx_type *type, *tmptype; |
cd9adb8b JG |
1050 | char *session_name = nullptr; |
1051 | const char *leftover = nullptr; | |
d65106b1 | 1052 | |
636167b6 | 1053 | if (argc < 2) { |
5eb00805 | 1054 | ret = CMD_ERROR; |
636167b6 DG |
1055 | goto end; |
1056 | } | |
1057 | ||
cd9adb8b | 1058 | pc = poptGetContext(nullptr, argc, argv, long_options, 0); |
d65106b1 DG |
1059 | poptReadDefaultConfig(pc, 0); |
1060 | ||
1061 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1062 | switch (opt) { | |
1063 | case OPT_HELP: | |
4ba92f18 | 1064 | SHOW_HELP(); |
d65106b1 | 1065 | goto end; |
83cea427 | 1066 | case OPT_LIST: |
59deec0c | 1067 | ret = print_ctx_type(); |
83cea427 | 1068 | goto end; |
d65106b1 | 1069 | case OPT_TYPE: |
e9492550 JG |
1070 | { |
1071 | type = get_context_type(opt_type); | |
1072 | if (!type) { | |
6caa2bcc | 1073 | ERR("Unknown context type %s", opt_type); |
5eb00805 TD |
1074 | ret = CMD_FATAL; |
1075 | goto end; | |
1076 | } | |
e9492550 | 1077 | cds_list_add_tail(&type->list, &ctx_type_list.head); |
d65106b1 | 1078 | break; |
e9492550 | 1079 | } |
eeac7d46 MD |
1080 | case OPT_USERSPACE: |
1081 | opt_userspace = 1; | |
eeac7d46 | 1082 | break; |
e9492550 JG |
1083 | case OPT_JUL: |
1084 | opt_jul = 1; | |
1085 | break; | |
1086 | case OPT_LOG4J: | |
1087 | opt_log4j = 1; | |
1088 | break; | |
47abf22b MJ |
1089 | case OPT_LOG4J2: |
1090 | opt_log4j2 = 1; | |
1091 | break; | |
679b4943 SM |
1092 | case OPT_LIST_OPTIONS: |
1093 | list_cmd_options(stdout, long_options); | |
679b4943 | 1094 | goto end; |
d65106b1 | 1095 | default: |
d65106b1 DG |
1096 | ret = CMD_UNDEFINED; |
1097 | goto end; | |
1098 | } | |
1099 | } | |
1100 | ||
68c7f6e5 JD |
1101 | leftover = poptGetArg(pc); |
1102 | if (leftover) { | |
1103 | ERR("Unknown argument: %s", leftover); | |
1104 | ret = CMD_ERROR; | |
1105 | goto end; | |
1106 | } | |
1107 | ||
47abf22b MJ |
1108 | ret = print_missing_or_multiple_domains( |
1109 | opt_kernel + opt_userspace + opt_jul + opt_log4j + opt_log4j2, true); | |
3ecec76a PP |
1110 | if (ret) { |
1111 | ret = CMD_ERROR; | |
1112 | goto end; | |
1113 | } | |
1114 | ||
ae856491 DG |
1115 | if (!opt_type) { |
1116 | ERR("Missing mandatory -t TYPE"); | |
ae856491 DG |
1117 | ret = CMD_ERROR; |
1118 | goto end; | |
1119 | } | |
1120 | ||
cd80958d DG |
1121 | if (!opt_session_name) { |
1122 | session_name = get_session_name(); | |
cd9adb8b | 1123 | if (session_name == nullptr) { |
5eb00805 | 1124 | ret = CMD_ERROR; |
cd80958d DG |
1125 | goto end; |
1126 | } | |
1127 | } else { | |
1128 | session_name = opt_session_name; | |
1129 | } | |
1130 | ||
59deec0c JR |
1131 | ret = mi_open(); |
1132 | if (ret) { | |
1133 | goto end; | |
89b72577 JRJ |
1134 | } |
1135 | ||
1136 | command_ret = add_context(session_name); | |
48a40005 | 1137 | ret = mi_close((cmd_error_code) command_ret); |
59deec0c JR |
1138 | if (ret) { |
1139 | goto end; | |
89b72577 JRJ |
1140 | } |
1141 | ||
1142 | end: | |
1256f150 DT |
1143 | if (!opt_session_name) { |
1144 | free(session_name); | |
1145 | } | |
1146 | ||
89b72577 JRJ |
1147 | /* Mi clean-up */ |
1148 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1149 | /* Preserve original error code */ | |
1150 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
1151 | } | |
1152 | ||
3301e740 | 1153 | /* Cleanup allocated memory */ |
28ab034a | 1154 | cds_list_for_each_entry_safe (type, tmptype, &ctx_type_list.head, list) { |
e9492550 | 1155 | destroy_ctx_type(type); |
3301e740 DG |
1156 | } |
1157 | ||
89b72577 JRJ |
1158 | /* Overwrite ret if an error occurred during add_context() */ |
1159 | ret = command_ret ? command_ret : ret; | |
1160 | ||
ca1c3607 | 1161 | poptFreeContext(pc); |
d65106b1 DG |
1162 | return ret; |
1163 | } |