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d65106b1 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
d65106b1 DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
d65106b1 DG |
16 | */ |
17 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
90b9a268 | 19 | #include <ctype.h> |
d65106b1 DG |
20 | #include <popt.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <sys/stat.h> | |
25 | #include <sys/types.h> | |
26 | #include <unistd.h> | |
3ecec76a | 27 | #include <assert.h> |
d65106b1 | 28 | |
3301e740 DG |
29 | #include <urcu/list.h> |
30 | ||
89b72577 JRJ |
31 | #include <common/mi-lttng.h> |
32 | ||
c399183f | 33 | #include "../command.h" |
d65106b1 | 34 | |
b13d56d7 MD |
35 | #define PRINT_LINE_LEN 80 |
36 | ||
d65106b1 | 37 | static char *opt_channel_name; |
5440dc42 | 38 | static char *opt_session_name; |
55cc08a6 | 39 | static int opt_kernel; |
d65106b1 | 40 | static int opt_userspace; |
d78d6610 | 41 | static char *opt_type; |
89b72577 | 42 | |
d65106b1 DG |
43 | enum { |
44 | OPT_HELP = 1, | |
45 | OPT_TYPE, | |
eeac7d46 | 46 | OPT_USERSPACE, |
679b4943 | 47 | OPT_LIST_OPTIONS, |
d65106b1 DG |
48 | }; |
49 | ||
cd80958d | 50 | static struct lttng_handle *handle; |
89b72577 | 51 | static struct mi_writer *writer; |
cd80958d | 52 | |
90b9a268 DG |
53 | /* |
54 | * Taken from the LTTng ABI | |
55 | */ | |
56 | enum context_type { | |
57 | CONTEXT_PID = 0, | |
aa3514e9 | 58 | CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ |
95da1297 | 59 | CONTEXT_PROCNAME = 2, |
90b9a268 DG |
60 | CONTEXT_PRIO = 3, |
61 | CONTEXT_NICE = 4, | |
62 | CONTEXT_VPID = 5, | |
63 | CONTEXT_TID = 6, | |
64 | CONTEXT_VTID = 7, | |
65 | CONTEXT_PPID = 8, | |
66 | CONTEXT_VPPID = 9, | |
9197c5c4 | 67 | CONTEXT_PTHREAD_ID = 10, |
54773d68 | 68 | CONTEXT_HOSTNAME = 11, |
7c612c2e | 69 | CONTEXT_IP = 12, |
aa3514e9 MD |
70 | CONTEXT_PERF_CPU_COUNTER = 13, |
71 | CONTEXT_PERF_THREAD_COUNTER = 14, | |
3301e740 DG |
72 | }; |
73 | ||
90b9a268 DG |
74 | /* |
75 | * Taken from the Perf ABI (all enum perf_*) | |
76 | */ | |
77 | enum perf_type { | |
78 | PERF_TYPE_HARDWARE = 0, | |
79 | PERF_TYPE_SOFTWARE = 1, | |
b13d56d7 | 80 | PERF_TYPE_HW_CACHE = 3, |
3301e740 DG |
81 | }; |
82 | ||
90b9a268 | 83 | enum perf_count_hard { |
b13d56d7 MD |
84 | PERF_COUNT_HW_CPU_CYCLES = 0, |
85 | PERF_COUNT_HW_INSTRUCTIONS = 1, | |
86 | PERF_COUNT_HW_CACHE_REFERENCES = 2, | |
87 | PERF_COUNT_HW_CACHE_MISSES = 3, | |
88 | PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, | |
89 | PERF_COUNT_HW_BRANCH_MISSES = 5, | |
90 | PERF_COUNT_HW_BUS_CYCLES = 6, | |
91 | PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7, | |
92 | PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8, | |
90b9a268 DG |
93 | }; |
94 | ||
95 | enum perf_count_soft { | |
96 | PERF_COUNT_SW_CPU_CLOCK = 0, | |
97 | PERF_COUNT_SW_TASK_CLOCK = 1, | |
98 | PERF_COUNT_SW_PAGE_FAULTS = 2, | |
99 | PERF_COUNT_SW_CONTEXT_SWITCHES = 3, | |
100 | PERF_COUNT_SW_CPU_MIGRATIONS = 4, | |
101 | PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, | |
102 | PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, | |
103 | PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, | |
104 | PERF_COUNT_SW_EMULATION_FAULTS = 8, | |
3301e740 DG |
105 | }; |
106 | ||
b13d56d7 MD |
107 | /* |
108 | * Generalized hardware cache events: | |
109 | * | |
110 | * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x | |
111 | * { read, write, prefetch } x | |
112 | * { accesses, misses } | |
113 | */ | |
114 | enum perf_hw_cache_id { | |
115 | PERF_COUNT_HW_CACHE_L1D = 0, | |
116 | PERF_COUNT_HW_CACHE_L1I = 1, | |
117 | PERF_COUNT_HW_CACHE_LL = 2, | |
118 | PERF_COUNT_HW_CACHE_DTLB = 3, | |
119 | PERF_COUNT_HW_CACHE_ITLB = 4, | |
120 | PERF_COUNT_HW_CACHE_BPU = 5, | |
121 | ||
122 | PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ | |
123 | }; | |
124 | ||
125 | enum perf_hw_cache_op_id { | |
126 | PERF_COUNT_HW_CACHE_OP_READ = 0, | |
127 | PERF_COUNT_HW_CACHE_OP_WRITE = 1, | |
128 | PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, | |
129 | ||
130 | PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ | |
131 | }; | |
132 | ||
133 | enum perf_hw_cache_op_result_id { | |
134 | PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, | |
135 | PERF_COUNT_HW_CACHE_RESULT_MISS = 1, | |
136 | ||
137 | PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ | |
138 | }; | |
139 | ||
d65106b1 DG |
140 | static struct poptOption long_options[] = { |
141 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
142 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 143 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
d65106b1 | 144 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
d65106b1 | 145 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 | 146 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
6caa2bcc | 147 | {"type", 't', POPT_ARG_STRING, &opt_type, OPT_TYPE, 0, 0}, |
679b4943 | 148 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
d65106b1 DG |
149 | {0, 0, 0, 0, 0, 0, 0} |
150 | }; | |
151 | ||
90b9a268 | 152 | /* |
b13d56d7 | 153 | * Context options |
90b9a268 | 154 | */ |
aa3514e9 | 155 | #define PERF_HW(optstr, name, type, hide) \ |
b13d56d7 | 156 | { \ |
aa3514e9 | 157 | optstr, type, hide, \ |
b13d56d7 MD |
158 | .u.perf = { PERF_TYPE_HARDWARE, PERF_COUNT_HW_##name, },\ |
159 | } | |
90b9a268 | 160 | |
aa3514e9 | 161 | #define PERF_SW(optstr, name, type, hide) \ |
b13d56d7 | 162 | { \ |
aa3514e9 | 163 | optstr, type, hide, \ |
b13d56d7 MD |
164 | .u.perf = { PERF_TYPE_SOFTWARE, PERF_COUNT_SW_##name, },\ |
165 | } | |
90b9a268 | 166 | |
aa3514e9 | 167 | #define _PERF_HW_CACHE(optstr, name, type, op, result, hide) \ |
b13d56d7 | 168 | { \ |
aa3514e9 | 169 | optstr, type, hide, \ |
b13d56d7 MD |
170 | .u.perf = { \ |
171 | PERF_TYPE_HW_CACHE, \ | |
172 | (uint64_t) PERF_COUNT_HW_CACHE_##name \ | |
18829107 MD |
173 | | ((uint64_t) PERF_COUNT_HW_CACHE_OP_##op << 8) \ |
174 | | ((uint64_t) PERF_COUNT_HW_CACHE_RESULT_##result << 16), \ | |
b13d56d7 MD |
175 | }, \ |
176 | } | |
177 | ||
aa3514e9 MD |
178 | #define PERF_HW_CACHE(optstr, name, type, hide) \ |
179 | _PERF_HW_CACHE(optstr "-loads", name, type, \ | |
180 | READ, ACCESS, hide), \ | |
181 | _PERF_HW_CACHE(optstr "-load-misses", name, type, \ | |
182 | READ, MISS, hide), \ | |
183 | _PERF_HW_CACHE(optstr "-stores", name, type, \ | |
184 | WRITE, ACCESS, hide), \ | |
185 | _PERF_HW_CACHE(optstr "-store-misses", name, type, \ | |
186 | WRITE, MISS, hide), \ | |
187 | _PERF_HW_CACHE(optstr "-prefetches", name, type, \ | |
188 | PREFETCH, ACCESS, hide), \ | |
189 | _PERF_HW_CACHE(optstr "-prefetch-misses", name, type, \ | |
190 | PREFETCH, MISS, hide) | |
b13d56d7 MD |
191 | |
192 | static | |
193 | const struct ctx_opts { | |
90b9a268 | 194 | char *symbol; |
b13d56d7 | 195 | enum context_type ctx_type; |
aa3514e9 | 196 | int hide_help; /* Hide from --help */ |
b13d56d7 MD |
197 | union { |
198 | struct { | |
199 | uint32_t type; | |
200 | uint64_t config; | |
201 | } perf; | |
202 | } u; | |
203 | } ctx_opts[] = { | |
204 | { "pid", CONTEXT_PID }, | |
95da1297 | 205 | { "procname", CONTEXT_PROCNAME }, |
b13d56d7 MD |
206 | { "prio", CONTEXT_PRIO }, |
207 | { "nice", CONTEXT_NICE }, | |
208 | { "vpid", CONTEXT_VPID }, | |
209 | { "tid", CONTEXT_TID }, | |
9197c5c4 | 210 | { "pthread_id", CONTEXT_PTHREAD_ID }, |
b13d56d7 MD |
211 | { "vtid", CONTEXT_VTID }, |
212 | { "ppid", CONTEXT_PPID }, | |
213 | { "vppid", CONTEXT_VPPID }, | |
54773d68 | 214 | { "hostname", CONTEXT_HOSTNAME }, |
7c612c2e | 215 | { "ip", CONTEXT_IP }, |
aa3514e9 | 216 | |
b13d56d7 | 217 | /* Perf options */ |
aa3514e9 MD |
218 | |
219 | /* Perf per-CPU counters */ | |
220 | PERF_HW("perf:cpu:cpu-cycles", CPU_CYCLES, | |
221 | CONTEXT_PERF_CPU_COUNTER, 0), | |
222 | PERF_HW("perf:cpu:cycles", CPU_CYCLES, | |
223 | CONTEXT_PERF_CPU_COUNTER, 0), | |
224 | PERF_HW("perf:cpu:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
225 | CONTEXT_PERF_CPU_COUNTER, 0), | |
226 | PERF_HW("perf:cpu:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
227 | CONTEXT_PERF_CPU_COUNTER, 0), | |
228 | PERF_HW("perf:cpu:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
229 | CONTEXT_PERF_CPU_COUNTER, 0), | |
230 | PERF_HW("perf:cpu:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
231 | CONTEXT_PERF_CPU_COUNTER, 0), | |
232 | PERF_HW("perf:cpu:instructions", INSTRUCTIONS, | |
233 | CONTEXT_PERF_CPU_COUNTER, 0), | |
234 | PERF_HW("perf:cpu:cache-references", CACHE_REFERENCES, | |
235 | CONTEXT_PERF_CPU_COUNTER, 0), | |
236 | PERF_HW("perf:cpu:cache-misses", CACHE_MISSES, | |
237 | CONTEXT_PERF_CPU_COUNTER, 0), | |
238 | PERF_HW("perf:cpu:branch-instructions", BRANCH_INSTRUCTIONS, | |
239 | CONTEXT_PERF_CPU_COUNTER, 0), | |
240 | PERF_HW("perf:cpu:branches", BRANCH_INSTRUCTIONS, | |
241 | CONTEXT_PERF_CPU_COUNTER, 0), | |
242 | PERF_HW("perf:cpu:branch-misses", BRANCH_MISSES, | |
243 | CONTEXT_PERF_CPU_COUNTER, 0), | |
244 | PERF_HW("perf:cpu:bus-cycles", BUS_CYCLES, | |
245 | CONTEXT_PERF_CPU_COUNTER, 0), | |
246 | ||
247 | PERF_HW_CACHE("perf:cpu:L1-dcache", L1D, | |
248 | CONTEXT_PERF_CPU_COUNTER, 0), | |
249 | PERF_HW_CACHE("perf:cpu:L1-icache", L1I, | |
250 | CONTEXT_PERF_CPU_COUNTER, 0), | |
251 | PERF_HW_CACHE("perf:cpu:LLC", LL, | |
252 | CONTEXT_PERF_CPU_COUNTER, 0), | |
253 | PERF_HW_CACHE("perf:cpu:dTLB", DTLB, | |
254 | CONTEXT_PERF_CPU_COUNTER, 0), | |
255 | _PERF_HW_CACHE("perf:cpu:iTLB-loads", ITLB, | |
256 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
257 | _PERF_HW_CACHE("perf:cpu:iTLB-load-misses", ITLB, | |
258 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
259 | _PERF_HW_CACHE("perf:cpu:branch-loads", BPU, | |
260 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
261 | _PERF_HW_CACHE("perf:cpu:branch-load-misses", BPU, | |
262 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
263 | ||
264 | PERF_SW("perf:cpu:cpu-clock", CPU_CLOCK, | |
265 | CONTEXT_PERF_CPU_COUNTER, 0), | |
266 | PERF_SW("perf:cpu:task-clock", TASK_CLOCK, | |
267 | CONTEXT_PERF_CPU_COUNTER, 0), | |
268 | PERF_SW("perf:cpu:page-fault", PAGE_FAULTS, | |
269 | CONTEXT_PERF_CPU_COUNTER, 0), | |
270 | PERF_SW("perf:cpu:faults", PAGE_FAULTS, | |
271 | CONTEXT_PERF_CPU_COUNTER, 0), | |
272 | PERF_SW("perf:cpu:major-faults", PAGE_FAULTS_MAJ, | |
273 | CONTEXT_PERF_CPU_COUNTER, 0), | |
274 | PERF_SW("perf:cpu:minor-faults", PAGE_FAULTS_MIN, | |
275 | CONTEXT_PERF_CPU_COUNTER, 0), | |
276 | PERF_SW("perf:cpu:context-switches", CONTEXT_SWITCHES, | |
277 | CONTEXT_PERF_CPU_COUNTER, 0), | |
278 | PERF_SW("perf:cpu:cs", CONTEXT_SWITCHES, | |
279 | CONTEXT_PERF_CPU_COUNTER, 0), | |
280 | PERF_SW("perf:cpu:cpu-migrations", CPU_MIGRATIONS, | |
281 | CONTEXT_PERF_CPU_COUNTER, 0), | |
282 | PERF_SW("perf:cpu:migrations", CPU_MIGRATIONS, | |
283 | CONTEXT_PERF_CPU_COUNTER, 0), | |
284 | PERF_SW("perf:cpu:alignment-faults", ALIGNMENT_FAULTS, | |
285 | CONTEXT_PERF_CPU_COUNTER, 0), | |
286 | PERF_SW("perf:cpu:emulation-faults", EMULATION_FAULTS, | |
287 | CONTEXT_PERF_CPU_COUNTER, 0), | |
288 | ||
289 | /* Perf per-thread counters */ | |
290 | PERF_HW("perf:thread:cpu-cycles", CPU_CYCLES, | |
291 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
292 | PERF_HW("perf:thread:cycles", CPU_CYCLES, | |
293 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
294 | PERF_HW("perf:thread:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
295 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
296 | PERF_HW("perf:thread:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
297 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
298 | PERF_HW("perf:thread:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
299 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
300 | PERF_HW("perf:thread:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
301 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
302 | PERF_HW("perf:thread:instructions", INSTRUCTIONS, | |
303 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
304 | PERF_HW("perf:thread:cache-references", CACHE_REFERENCES, | |
305 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
306 | PERF_HW("perf:thread:cache-misses", CACHE_MISSES, | |
307 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
308 | PERF_HW("perf:thread:branch-instructions", BRANCH_INSTRUCTIONS, | |
309 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
310 | PERF_HW("perf:thread:branches", BRANCH_INSTRUCTIONS, | |
311 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
312 | PERF_HW("perf:thread:branch-misses", BRANCH_MISSES, | |
313 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
314 | PERF_HW("perf:thread:bus-cycles", BUS_CYCLES, | |
315 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
316 | ||
317 | PERF_HW_CACHE("perf:thread:L1-dcache", L1D, | |
318 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
319 | PERF_HW_CACHE("perf:thread:L1-icache", L1I, | |
320 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
321 | PERF_HW_CACHE("perf:thread:LLC", LL, | |
322 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
323 | PERF_HW_CACHE("perf:thread:dTLB", DTLB, | |
324 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
325 | _PERF_HW_CACHE("perf:thread:iTLB-loads", ITLB, | |
326 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
327 | _PERF_HW_CACHE("perf:thread:iTLB-load-misses", ITLB, | |
328 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
329 | _PERF_HW_CACHE("perf:thread:branch-loads", BPU, | |
330 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
331 | _PERF_HW_CACHE("perf:thread:branch-load-misses", BPU, | |
332 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
333 | ||
334 | PERF_SW("perf:thread:cpu-clock", CPU_CLOCK, | |
335 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
336 | PERF_SW("perf:thread:task-clock", TASK_CLOCK, | |
337 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
338 | PERF_SW("perf:thread:page-fault", PAGE_FAULTS, | |
339 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
340 | PERF_SW("perf:thread:faults", PAGE_FAULTS, | |
341 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
342 | PERF_SW("perf:thread:major-faults", PAGE_FAULTS_MAJ, | |
343 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
344 | PERF_SW("perf:thread:minor-faults", PAGE_FAULTS_MIN, | |
345 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
346 | PERF_SW("perf:thread:context-switches", CONTEXT_SWITCHES, | |
347 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
348 | PERF_SW("perf:thread:cs", CONTEXT_SWITCHES, | |
349 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
350 | PERF_SW("perf:thread:cpu-migrations", CPU_MIGRATIONS, | |
351 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
352 | PERF_SW("perf:thread:migrations", CPU_MIGRATIONS, | |
353 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
354 | PERF_SW("perf:thread:alignment-faults", ALIGNMENT_FAULTS, | |
355 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
356 | PERF_SW("perf:thread:emulation-faults", EMULATION_FAULTS, | |
357 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
358 | ||
359 | /* | |
360 | * Perf per-CPU counters, backward compatibilty for names. | |
361 | * Hidden from help listing. | |
362 | */ | |
363 | PERF_HW("perf:cpu-cycles", CPU_CYCLES, | |
364 | CONTEXT_PERF_COUNTER, 1), | |
365 | PERF_HW("perf:cycles", CPU_CYCLES, | |
366 | CONTEXT_PERF_COUNTER, 1), | |
367 | PERF_HW("perf:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
368 | CONTEXT_PERF_COUNTER, 1), | |
369 | PERF_HW("perf:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
370 | CONTEXT_PERF_COUNTER, 1), | |
371 | PERF_HW("perf:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
372 | CONTEXT_PERF_COUNTER, 1), | |
373 | PERF_HW("perf:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
374 | CONTEXT_PERF_COUNTER, 1), | |
375 | PERF_HW("perf:instructions", INSTRUCTIONS, | |
376 | CONTEXT_PERF_COUNTER, 1), | |
377 | PERF_HW("perf:cache-references", CACHE_REFERENCES, | |
378 | CONTEXT_PERF_COUNTER, 1), | |
379 | PERF_HW("perf:cache-misses", CACHE_MISSES, | |
380 | CONTEXT_PERF_COUNTER, 1), | |
381 | PERF_HW("perf:branch-instructions", BRANCH_INSTRUCTIONS, | |
382 | CONTEXT_PERF_COUNTER, 1), | |
383 | PERF_HW("perf:branches", BRANCH_INSTRUCTIONS, | |
384 | CONTEXT_PERF_COUNTER, 1), | |
385 | PERF_HW("perf:branch-misses", BRANCH_MISSES, | |
386 | CONTEXT_PERF_COUNTER, 1), | |
387 | PERF_HW("perf:bus-cycles", BUS_CYCLES, | |
388 | CONTEXT_PERF_COUNTER, 1), | |
389 | ||
390 | PERF_HW_CACHE("perf:L1-dcache", L1D, | |
391 | CONTEXT_PERF_COUNTER, 1), | |
392 | PERF_HW_CACHE("perf:L1-icache", L1I, | |
393 | CONTEXT_PERF_COUNTER, 1), | |
394 | PERF_HW_CACHE("perf:LLC", LL, | |
395 | CONTEXT_PERF_COUNTER, 1), | |
396 | PERF_HW_CACHE("perf:dTLB", DTLB, | |
397 | CONTEXT_PERF_COUNTER, 1), | |
398 | _PERF_HW_CACHE("perf:iTLB-loads", ITLB, | |
399 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
400 | _PERF_HW_CACHE("perf:iTLB-load-misses", ITLB, | |
401 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
402 | _PERF_HW_CACHE("perf:branch-loads", BPU, | |
403 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
404 | _PERF_HW_CACHE("perf:branch-load-misses", BPU, | |
405 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
406 | ||
407 | PERF_SW("perf:cpu-clock", CPU_CLOCK, | |
408 | CONTEXT_PERF_COUNTER, 1), | |
409 | PERF_SW("perf:task-clock", TASK_CLOCK, | |
410 | CONTEXT_PERF_COUNTER, 1), | |
411 | PERF_SW("perf:page-fault", PAGE_FAULTS, | |
412 | CONTEXT_PERF_COUNTER, 1), | |
413 | PERF_SW("perf:faults", PAGE_FAULTS, | |
414 | CONTEXT_PERF_COUNTER, 1), | |
415 | PERF_SW("perf:major-faults", PAGE_FAULTS_MAJ, | |
416 | CONTEXT_PERF_COUNTER, 1), | |
417 | PERF_SW("perf:minor-faults", PAGE_FAULTS_MIN, | |
418 | CONTEXT_PERF_COUNTER, 1), | |
419 | PERF_SW("perf:context-switches", CONTEXT_SWITCHES, | |
420 | CONTEXT_PERF_COUNTER, 1), | |
421 | PERF_SW("perf:cs", CONTEXT_SWITCHES, | |
422 | CONTEXT_PERF_COUNTER, 1), | |
423 | PERF_SW("perf:cpu-migrations", CPU_MIGRATIONS, | |
424 | CONTEXT_PERF_COUNTER, 1), | |
425 | PERF_SW("perf:migrations", CPU_MIGRATIONS, | |
426 | CONTEXT_PERF_COUNTER, 1), | |
427 | PERF_SW("perf:alignment-faults", ALIGNMENT_FAULTS, | |
428 | CONTEXT_PERF_COUNTER, 1), | |
429 | PERF_SW("perf:emulation-faults", EMULATION_FAULTS, | |
430 | CONTEXT_PERF_COUNTER, 1), | |
431 | ||
b13d56d7 | 432 | { NULL, -1 }, /* Closure */ |
90b9a268 DG |
433 | }; |
434 | ||
aa3514e9 MD |
435 | #undef PERF_HW_CACHE |
436 | #undef _PERF_HW_CACHE | |
b13d56d7 MD |
437 | #undef PERF_SW |
438 | #undef PERF_HW | |
439 | ||
90b9a268 | 440 | /* |
b13d56d7 | 441 | * Context type for command line option parsing. |
90b9a268 | 442 | */ |
b13d56d7 MD |
443 | struct ctx_type { |
444 | const struct ctx_opts *opt; | |
445 | struct cds_list_head list; | |
90b9a268 DG |
446 | }; |
447 | ||
448 | /* | |
449 | * List of context type. Use to enable multiple context on a single command | |
450 | * line entry. | |
451 | */ | |
452 | struct ctx_type_list { | |
453 | struct cds_list_head head; | |
454 | } ctx_type_list = { | |
455 | .head = CDS_LIST_HEAD_INIT(ctx_type_list.head), | |
456 | }; | |
457 | ||
90b9a268 DG |
458 | /* |
459 | * Pretty print context type. | |
460 | */ | |
461 | static void print_ctx_type(FILE *ofp) | |
462 | { | |
b13d56d7 MD |
463 | const char *indent = " "; |
464 | int indent_len = strlen(indent); | |
465 | int len, i = 0; | |
90b9a268 | 466 | |
76e3c5dd | 467 | fprintf(ofp, "%s", indent); |
b13d56d7 | 468 | len = indent_len; |
90b9a268 | 469 | while (ctx_opts[i].symbol != NULL) { |
aa3514e9 MD |
470 | if (!ctx_opts[i].hide_help) { |
471 | if (len > indent_len) { | |
472 | if (len + strlen(ctx_opts[i].symbol) + 2 | |
473 | >= PRINT_LINE_LEN) { | |
474 | fprintf(ofp, ",\n"); | |
475 | fprintf(ofp, "%s", indent); | |
476 | len = indent_len; | |
477 | } else { | |
478 | len += fprintf(ofp, ", "); | |
479 | } | |
90b9a268 | 480 | } |
aa3514e9 | 481 | len += fprintf(ofp, "%s", ctx_opts[i].symbol); |
90b9a268 DG |
482 | } |
483 | i++; | |
484 | } | |
90b9a268 DG |
485 | } |
486 | ||
d65106b1 DG |
487 | /* |
488 | * usage | |
489 | */ | |
490 | static void usage(FILE *ofp) | |
491 | { | |
32a6298d | 492 | fprintf(ofp, "usage: lttng add-context -t TYPE [-k|-u] [OPTIONS]\n"); |
d65106b1 | 493 | fprintf(ofp, "\n"); |
601d5acf DG |
494 | fprintf(ofp, "If no channel is given (-c), the context is added to\n"); |
495 | fprintf(ofp, "all channels.\n"); | |
32a6298d | 496 | fprintf(ofp, "\n"); |
601d5acf | 497 | fprintf(ofp, "Otherwise the context is added only to the channel (-c).\n"); |
32a6298d DG |
498 | fprintf(ofp, "\n"); |
499 | fprintf(ofp, "Exactly one domain (-k or -u) must be specified.\n"); | |
3301e740 | 500 | fprintf(ofp, "\n"); |
d65106b1 DG |
501 | fprintf(ofp, "Options:\n"); |
502 | fprintf(ofp, " -h, --help Show this help\n"); | |
679b4943 | 503 | fprintf(ofp, " --list-options Simple listing of options\n"); |
5eb00805 TD |
504 | fprintf(ofp, " -s, --session NAME Apply to session name\n"); |
505 | fprintf(ofp, " -c, --channel NAME Apply to channel\n"); | |
af87c45a | 506 | fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n"); |
af87c45a | 507 | fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n"); |
32a6298d DG |
508 | fprintf(ofp, "\n"); |
509 | fprintf(ofp, "Context:\n"); | |
b13d56d7 | 510 | fprintf(ofp, " -t, --type TYPE Context type. You can repeat that option on\n"); |
af87c45a DG |
511 | fprintf(ofp, " the command line to specify multiple contexts at once.\n"); |
512 | fprintf(ofp, " (--kernel preempts --userspace)\n"); | |
b13d56d7 | 513 | fprintf(ofp, " TYPE can be one of the strings below:\n"); |
90b9a268 | 514 | print_ctx_type(ofp); |
d65106b1 | 515 | fprintf(ofp, "\n"); |
c455d428 FD |
516 | fprintf(ofp, "Note that the vpid, vppid and vtid context types represent the virtual process id,\n" |
517 | "virtual parent process id and virtual thread id as seen from the current execution context\n" | |
518 | "as opposed to the pid, ppid and tid which are kernel internal data structures.\n\n"); | |
90b9a268 | 519 | fprintf(ofp, "Example:\n"); |
aa3514e9 MD |
520 | fprintf(ofp, "This command will add the context information 'prio' and two per-cpu\n" |
521 | "perf counters (hardware branch misses and cache misses), to all channels\n" | |
b13d56d7 | 522 | "in the trace data output:\n"); |
aa3514e9 | 523 | fprintf(ofp, "# lttng add-context -k -t prio -t perf:cpu:branch-misses -t perf:cpu:cache-misses\n"); |
d65106b1 DG |
524 | fprintf(ofp, "\n"); |
525 | } | |
526 | ||
90b9a268 DG |
527 | /* |
528 | * Find context numerical value from string. | |
529 | */ | |
530 | static int find_ctx_type_idx(const char *opt) | |
531 | { | |
532 | int ret = -1, i = 0; | |
533 | ||
534 | while (ctx_opts[i].symbol != NULL) { | |
535 | if (strcmp(opt, ctx_opts[i].symbol) == 0) { | |
536 | ret = i; | |
537 | goto end; | |
538 | } | |
539 | i++; | |
540 | } | |
541 | ||
542 | end: | |
543 | return ret; | |
544 | } | |
545 | ||
90b9a268 DG |
546 | /* |
547 | * Add context to channel or event. | |
d65106b1 | 548 | */ |
cd80958d | 549 | static int add_context(char *session_name) |
d65106b1 | 550 | { |
89b72577 | 551 | int ret = CMD_SUCCESS, warn = 0, success = 0; |
7d29a247 DG |
552 | struct lttng_event_context context; |
553 | struct lttng_domain dom; | |
3301e740 | 554 | struct ctx_type *type; |
b13d56d7 | 555 | char *ptr; |
d65106b1 | 556 | |
441c16a7 MD |
557 | memset(&context, 0, sizeof(context)); |
558 | memset(&dom, 0, sizeof(dom)); | |
559 | ||
cd80958d DG |
560 | if (opt_kernel) { |
561 | dom.type = LTTNG_DOMAIN_KERNEL; | |
d78d6610 | 562 | } else if (opt_userspace) { |
55cc08a6 | 563 | dom.type = LTTNG_DOMAIN_UST; |
55cc08a6 | 564 | } else { |
3ecec76a | 565 | assert(0); |
cd80958d DG |
566 | } |
567 | ||
568 | handle = lttng_create_handle(session_name, &dom); | |
569 | if (handle == NULL) { | |
af87c45a | 570 | ret = CMD_ERROR; |
cd80958d DG |
571 | goto error; |
572 | } | |
573 | ||
89b72577 JRJ |
574 | if (lttng_opt_mi) { |
575 | /* Open a contexts element */ | |
576 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
577 | if (ret) { | |
578 | goto error; | |
579 | } | |
580 | } | |
581 | ||
5eb00805 | 582 | /* Iterate over all the context types given */ |
3301e740 | 583 | cds_list_for_each_entry(type, &ctx_type_list.head, list) { |
6775595e | 584 | context.ctx = (enum lttng_event_context_type) type->opt->ctx_type; |
aa3514e9 MD |
585 | switch (context.ctx) { |
586 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
587 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
588 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
b13d56d7 MD |
589 | context.u.perf_counter.type = type->opt->u.perf.type; |
590 | context.u.perf_counter.config = type->opt->u.perf.config; | |
24546386 MD |
591 | strncpy(context.u.perf_counter.name, type->opt->symbol, |
592 | LTTNG_SYMBOL_NAME_LEN); | |
593 | context.u.perf_counter.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
b13d56d7 MD |
594 | /* Replace : and - by _ */ |
595 | while ((ptr = strchr(context.u.perf_counter.name, '-')) != NULL) { | |
596 | *ptr = '_'; | |
3301e740 | 597 | } |
b13d56d7 MD |
598 | while ((ptr = strchr(context.u.perf_counter.name, ':')) != NULL) { |
599 | *ptr = '_'; | |
3301e740 | 600 | } |
aa3514e9 MD |
601 | break; |
602 | default: | |
603 | break; | |
3301e740 | 604 | } |
55cc08a6 DG |
605 | DBG("Adding context..."); |
606 | ||
89b72577 JRJ |
607 | if (lttng_opt_mi) { |
608 | /* We leave context open the update the success of the command */ | |
609 | ret = mi_lttng_context(writer, &context, 1); | |
610 | if (ret) { | |
611 | ret = CMD_ERROR; | |
612 | goto error; | |
613 | } | |
614 | } | |
615 | ||
601d5acf | 616 | ret = lttng_add_context(handle, &context, NULL, opt_channel_name); |
55cc08a6 | 617 | if (ret < 0) { |
b58471ff | 618 | ERR("%s: %s", type->opt->symbol, lttng_strerror(ret)); |
d16c1a4c | 619 | warn = 1; |
89b72577 | 620 | success = 0; |
d65106b1 | 621 | } else { |
601d5acf | 622 | if (opt_channel_name) { |
b58471ff DG |
623 | MSG("%s context %s added to channel %s", |
624 | opt_kernel ? "kernel" : "UST", type->opt->symbol, | |
625 | opt_channel_name); | |
b58471ff DG |
626 | } else { |
627 | MSG("%s context %s added to all channels", | |
628 | opt_kernel ? "kernel" : "UST", type->opt->symbol) | |
629 | } | |
89b72577 JRJ |
630 | success = 1; |
631 | } | |
632 | ||
633 | if (lttng_opt_mi) { | |
634 | /* Is the single operation a success ? */ | |
635 | ret = mi_lttng_writer_write_element_bool(writer, | |
636 | mi_lttng_element_success, success); | |
637 | if (ret) { | |
638 | ret = CMD_ERROR; | |
639 | goto error; | |
640 | } | |
641 | ||
642 | /* Close the context element */ | |
643 | ret = mi_lttng_writer_close_element(writer); | |
644 | if (ret) { | |
645 | ret = CMD_ERROR; | |
646 | goto error; | |
647 | } | |
648 | } | |
649 | } | |
650 | ||
651 | if (lttng_opt_mi) { | |
652 | /* Close contexts element */ | |
653 | ret = mi_lttng_writer_close_element(writer); | |
654 | if (ret) { | |
655 | goto error; | |
d65106b1 | 656 | } |
d65106b1 DG |
657 | } |
658 | ||
af87c45a DG |
659 | ret = CMD_SUCCESS; |
660 | ||
d65106b1 | 661 | error: |
cd80958d DG |
662 | lttng_destroy_handle(handle); |
663 | ||
d16c1a4c DG |
664 | /* |
665 | * This means that at least one add_context failed and tells the user to | |
666 | * look on stderr for error(s). | |
667 | */ | |
89b72577 | 668 | if (!ret && warn) { |
d16c1a4c DG |
669 | ret = CMD_WARNING; |
670 | } | |
d65106b1 DG |
671 | return ret; |
672 | } | |
673 | ||
674 | /* | |
5eb00805 | 675 | * Add context to channel or event. |
d65106b1 DG |
676 | */ |
677 | int cmd_add_context(int argc, const char **argv) | |
678 | { | |
89b72577 JRJ |
679 | int index, opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
680 | int success = 1; | |
d65106b1 | 681 | static poptContext pc; |
b13d56d7 | 682 | struct ctx_type *type, *tmptype; |
cd80958d | 683 | char *session_name = NULL; |
d65106b1 | 684 | |
636167b6 DG |
685 | if (argc < 2) { |
686 | usage(stderr); | |
5eb00805 | 687 | ret = CMD_ERROR; |
636167b6 DG |
688 | goto end; |
689 | } | |
690 | ||
d65106b1 DG |
691 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
692 | poptReadDefaultConfig(pc, 0); | |
693 | ||
694 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
695 | switch (opt) { | |
696 | case OPT_HELP: | |
5eb00805 | 697 | usage(stdout); |
d65106b1 DG |
698 | goto end; |
699 | case OPT_TYPE: | |
af87c45a DG |
700 | /* |
701 | * Look up the index of opt_type in ctx_opts[] first, so we don't | |
702 | * have to free(type) on failure. | |
703 | */ | |
6caa2bcc | 704 | index = find_ctx_type_idx(opt_type); |
b13d56d7 | 705 | if (index < 0) { |
6caa2bcc | 706 | ERR("Unknown context type %s", opt_type); |
5eb00805 | 707 | ret = CMD_ERROR; |
b13d56d7 | 708 | goto end; |
90b9a268 | 709 | } |
5eb00805 | 710 | |
98cf2db1 | 711 | type = zmalloc(sizeof(struct ctx_type)); |
5eb00805 | 712 | if (type == NULL) { |
6f04ed72 | 713 | PERROR("malloc ctx_type"); |
5eb00805 TD |
714 | ret = CMD_FATAL; |
715 | goto end; | |
716 | } | |
717 | ||
b13d56d7 | 718 | type->opt = &ctx_opts[index]; |
109be0da | 719 | if (type->opt->symbol == NULL) { |
6caa2bcc | 720 | ERR("Unknown context type %s", opt_type); |
5eb00805 TD |
721 | free(type); |
722 | ret = CMD_ERROR; | |
723 | goto end; | |
90b9a268 | 724 | } else { |
31746f93 | 725 | cds_list_add_tail(&type->list, &ctx_type_list.head); |
90b9a268 | 726 | } |
d65106b1 | 727 | break; |
eeac7d46 MD |
728 | case OPT_USERSPACE: |
729 | opt_userspace = 1; | |
eeac7d46 | 730 | break; |
679b4943 SM |
731 | case OPT_LIST_OPTIONS: |
732 | list_cmd_options(stdout, long_options); | |
679b4943 | 733 | goto end; |
d65106b1 DG |
734 | default: |
735 | usage(stderr); | |
736 | ret = CMD_UNDEFINED; | |
737 | goto end; | |
738 | } | |
739 | } | |
740 | ||
3ecec76a PP |
741 | ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace); |
742 | ||
743 | if (ret) { | |
744 | ret = CMD_ERROR; | |
745 | goto end; | |
746 | } | |
747 | ||
ae856491 DG |
748 | if (!opt_type) { |
749 | ERR("Missing mandatory -t TYPE"); | |
750 | usage(stderr); | |
751 | ret = CMD_ERROR; | |
752 | goto end; | |
753 | } | |
754 | ||
cd80958d DG |
755 | if (!opt_session_name) { |
756 | session_name = get_session_name(); | |
757 | if (session_name == NULL) { | |
5eb00805 | 758 | ret = CMD_ERROR; |
cd80958d DG |
759 | goto end; |
760 | } | |
761 | } else { | |
762 | session_name = opt_session_name; | |
763 | } | |
764 | ||
89b72577 JRJ |
765 | /* Mi check */ |
766 | if (lttng_opt_mi) { | |
767 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
768 | if (!writer) { | |
769 | ret = -LTTNG_ERR_NOMEM; | |
770 | goto end; | |
771 | } | |
772 | ||
773 | /* Open command element */ | |
774 | ret = mi_lttng_writer_command_open(writer, | |
775 | mi_lttng_element_command_add_context); | |
776 | if (ret) { | |
777 | ret = CMD_ERROR; | |
778 | goto end; | |
779 | } | |
780 | ||
781 | /* Open output element */ | |
782 | ret = mi_lttng_writer_open_element(writer, | |
783 | mi_lttng_element_command_output); | |
784 | if (ret) { | |
785 | ret = CMD_ERROR; | |
786 | goto end; | |
787 | } | |
788 | } | |
789 | ||
790 | command_ret = add_context(session_name); | |
791 | if (command_ret) { | |
792 | success = 0; | |
793 | } | |
794 | ||
795 | /* Mi closing */ | |
796 | if (lttng_opt_mi) { | |
797 | /* Close output element */ | |
798 | ret = mi_lttng_writer_close_element(writer); | |
799 | if (ret) { | |
800 | ret = CMD_ERROR; | |
801 | goto end; | |
802 | } | |
3301e740 | 803 | |
89b72577 JRJ |
804 | /* Success ? */ |
805 | ret = mi_lttng_writer_write_element_bool(writer, | |
806 | mi_lttng_element_command_success, success); | |
807 | if (ret) { | |
808 | ret = CMD_ERROR; | |
809 | goto end; | |
810 | } | |
811 | ||
812 | /* Command element close */ | |
813 | ret = mi_lttng_writer_command_close(writer); | |
814 | if (ret) { | |
815 | ret = CMD_ERROR; | |
816 | goto end; | |
817 | } | |
818 | } | |
819 | ||
820 | end: | |
1256f150 DT |
821 | if (!opt_session_name) { |
822 | free(session_name); | |
823 | } | |
824 | ||
89b72577 JRJ |
825 | /* Mi clean-up */ |
826 | if (writer && mi_lttng_writer_destroy(writer)) { | |
827 | /* Preserve original error code */ | |
828 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
829 | } | |
830 | ||
3301e740 | 831 | /* Cleanup allocated memory */ |
b13d56d7 | 832 | cds_list_for_each_entry_safe(type, tmptype, &ctx_type_list.head, list) { |
3301e740 DG |
833 | free(type); |
834 | } | |
835 | ||
89b72577 JRJ |
836 | /* Overwrite ret if an error occurred during add_context() */ |
837 | ret = command_ret ? command_ret : ret; | |
838 | ||
ca1c3607 | 839 | poptFreeContext(pc); |
d65106b1 DG |
840 | return ret; |
841 | } |