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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 | ||
18 | #define _GNU_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> | |
27 | ||
3301e740 DG |
28 | #include <urcu/list.h> |
29 | ||
89b72577 JRJ |
30 | #include <common/mi-lttng.h> |
31 | ||
c399183f | 32 | #include "../command.h" |
d65106b1 | 33 | |
b13d56d7 MD |
34 | #define PRINT_LINE_LEN 80 |
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; |
d78d6610 | 40 | static char *opt_type; |
89b72577 | 41 | |
d78d6610 DG |
42 | #if 0 |
43 | /* Not implemented yet */ | |
eeac7d46 | 44 | static char *opt_cmd_name; |
d65106b1 | 45 | static pid_t opt_pid; |
d78d6610 | 46 | #endif |
d65106b1 DG |
47 | |
48 | enum { | |
49 | OPT_HELP = 1, | |
50 | OPT_TYPE, | |
eeac7d46 | 51 | OPT_USERSPACE, |
679b4943 | 52 | OPT_LIST_OPTIONS, |
d65106b1 DG |
53 | }; |
54 | ||
cd80958d | 55 | static struct lttng_handle *handle; |
89b72577 | 56 | static struct mi_writer *writer; |
cd80958d | 57 | |
90b9a268 DG |
58 | /* |
59 | * Taken from the LTTng ABI | |
60 | */ | |
61 | enum context_type { | |
62 | CONTEXT_PID = 0, | |
aa3514e9 | 63 | CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ |
95da1297 | 64 | CONTEXT_PROCNAME = 2, |
90b9a268 DG |
65 | CONTEXT_PRIO = 3, |
66 | CONTEXT_NICE = 4, | |
67 | CONTEXT_VPID = 5, | |
68 | CONTEXT_TID = 6, | |
69 | CONTEXT_VTID = 7, | |
70 | CONTEXT_PPID = 8, | |
71 | CONTEXT_VPPID = 9, | |
9197c5c4 | 72 | CONTEXT_PTHREAD_ID = 10, |
54773d68 | 73 | CONTEXT_HOSTNAME = 11, |
7c612c2e | 74 | CONTEXT_IP = 12, |
aa3514e9 MD |
75 | CONTEXT_PERF_CPU_COUNTER = 13, |
76 | CONTEXT_PERF_THREAD_COUNTER = 14, | |
3301e740 DG |
77 | }; |
78 | ||
90b9a268 DG |
79 | /* |
80 | * Taken from the Perf ABI (all enum perf_*) | |
81 | */ | |
82 | enum perf_type { | |
83 | PERF_TYPE_HARDWARE = 0, | |
84 | PERF_TYPE_SOFTWARE = 1, | |
b13d56d7 | 85 | PERF_TYPE_HW_CACHE = 3, |
3301e740 DG |
86 | }; |
87 | ||
90b9a268 | 88 | enum perf_count_hard { |
b13d56d7 MD |
89 | PERF_COUNT_HW_CPU_CYCLES = 0, |
90 | PERF_COUNT_HW_INSTRUCTIONS = 1, | |
91 | PERF_COUNT_HW_CACHE_REFERENCES = 2, | |
92 | PERF_COUNT_HW_CACHE_MISSES = 3, | |
93 | PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, | |
94 | PERF_COUNT_HW_BRANCH_MISSES = 5, | |
95 | PERF_COUNT_HW_BUS_CYCLES = 6, | |
96 | PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7, | |
97 | PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8, | |
90b9a268 DG |
98 | }; |
99 | ||
100 | enum perf_count_soft { | |
101 | PERF_COUNT_SW_CPU_CLOCK = 0, | |
102 | PERF_COUNT_SW_TASK_CLOCK = 1, | |
103 | PERF_COUNT_SW_PAGE_FAULTS = 2, | |
104 | PERF_COUNT_SW_CONTEXT_SWITCHES = 3, | |
105 | PERF_COUNT_SW_CPU_MIGRATIONS = 4, | |
106 | PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, | |
107 | PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, | |
108 | PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, | |
109 | PERF_COUNT_SW_EMULATION_FAULTS = 8, | |
3301e740 DG |
110 | }; |
111 | ||
b13d56d7 MD |
112 | /* |
113 | * Generalized hardware cache events: | |
114 | * | |
115 | * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x | |
116 | * { read, write, prefetch } x | |
117 | * { accesses, misses } | |
118 | */ | |
119 | enum perf_hw_cache_id { | |
120 | PERF_COUNT_HW_CACHE_L1D = 0, | |
121 | PERF_COUNT_HW_CACHE_L1I = 1, | |
122 | PERF_COUNT_HW_CACHE_LL = 2, | |
123 | PERF_COUNT_HW_CACHE_DTLB = 3, | |
124 | PERF_COUNT_HW_CACHE_ITLB = 4, | |
125 | PERF_COUNT_HW_CACHE_BPU = 5, | |
126 | ||
127 | PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ | |
128 | }; | |
129 | ||
130 | enum perf_hw_cache_op_id { | |
131 | PERF_COUNT_HW_CACHE_OP_READ = 0, | |
132 | PERF_COUNT_HW_CACHE_OP_WRITE = 1, | |
133 | PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, | |
134 | ||
135 | PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ | |
136 | }; | |
137 | ||
138 | enum perf_hw_cache_op_result_id { | |
139 | PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, | |
140 | PERF_COUNT_HW_CACHE_RESULT_MISS = 1, | |
141 | ||
142 | PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ | |
143 | }; | |
144 | ||
d65106b1 DG |
145 | static struct poptOption long_options[] = { |
146 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
147 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 148 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
d65106b1 | 149 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
d65106b1 | 150 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 | 151 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
6caa2bcc | 152 | {"type", 't', POPT_ARG_STRING, &opt_type, OPT_TYPE, 0, 0}, |
679b4943 | 153 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
d65106b1 DG |
154 | {0, 0, 0, 0, 0, 0, 0} |
155 | }; | |
156 | ||
90b9a268 | 157 | /* |
b13d56d7 | 158 | * Context options |
90b9a268 | 159 | */ |
aa3514e9 | 160 | #define PERF_HW(optstr, name, type, hide) \ |
b13d56d7 | 161 | { \ |
aa3514e9 | 162 | optstr, type, hide, \ |
b13d56d7 MD |
163 | .u.perf = { PERF_TYPE_HARDWARE, PERF_COUNT_HW_##name, },\ |
164 | } | |
90b9a268 | 165 | |
aa3514e9 | 166 | #define PERF_SW(optstr, name, type, hide) \ |
b13d56d7 | 167 | { \ |
aa3514e9 | 168 | optstr, type, hide, \ |
b13d56d7 MD |
169 | .u.perf = { PERF_TYPE_SOFTWARE, PERF_COUNT_SW_##name, },\ |
170 | } | |
90b9a268 | 171 | |
aa3514e9 | 172 | #define _PERF_HW_CACHE(optstr, name, type, op, result, hide) \ |
b13d56d7 | 173 | { \ |
aa3514e9 | 174 | optstr, type, hide, \ |
b13d56d7 MD |
175 | .u.perf = { \ |
176 | PERF_TYPE_HW_CACHE, \ | |
177 | (uint64_t) PERF_COUNT_HW_CACHE_##name \ | |
18829107 MD |
178 | | ((uint64_t) PERF_COUNT_HW_CACHE_OP_##op << 8) \ |
179 | | ((uint64_t) PERF_COUNT_HW_CACHE_RESULT_##result << 16), \ | |
b13d56d7 MD |
180 | }, \ |
181 | } | |
182 | ||
aa3514e9 MD |
183 | #define PERF_HW_CACHE(optstr, name, type, hide) \ |
184 | _PERF_HW_CACHE(optstr "-loads", name, type, \ | |
185 | READ, ACCESS, hide), \ | |
186 | _PERF_HW_CACHE(optstr "-load-misses", name, type, \ | |
187 | READ, MISS, hide), \ | |
188 | _PERF_HW_CACHE(optstr "-stores", name, type, \ | |
189 | WRITE, ACCESS, hide), \ | |
190 | _PERF_HW_CACHE(optstr "-store-misses", name, type, \ | |
191 | WRITE, MISS, hide), \ | |
192 | _PERF_HW_CACHE(optstr "-prefetches", name, type, \ | |
193 | PREFETCH, ACCESS, hide), \ | |
194 | _PERF_HW_CACHE(optstr "-prefetch-misses", name, type, \ | |
195 | PREFETCH, MISS, hide) | |
b13d56d7 MD |
196 | |
197 | static | |
198 | const struct ctx_opts { | |
90b9a268 | 199 | char *symbol; |
b13d56d7 | 200 | enum context_type ctx_type; |
aa3514e9 | 201 | int hide_help; /* Hide from --help */ |
b13d56d7 MD |
202 | union { |
203 | struct { | |
204 | uint32_t type; | |
205 | uint64_t config; | |
206 | } perf; | |
207 | } u; | |
208 | } ctx_opts[] = { | |
209 | { "pid", CONTEXT_PID }, | |
95da1297 | 210 | { "procname", CONTEXT_PROCNAME }, |
b13d56d7 MD |
211 | { "prio", CONTEXT_PRIO }, |
212 | { "nice", CONTEXT_NICE }, | |
213 | { "vpid", CONTEXT_VPID }, | |
214 | { "tid", CONTEXT_TID }, | |
9197c5c4 | 215 | { "pthread_id", CONTEXT_PTHREAD_ID }, |
b13d56d7 MD |
216 | { "vtid", CONTEXT_VTID }, |
217 | { "ppid", CONTEXT_PPID }, | |
218 | { "vppid", CONTEXT_VPPID }, | |
54773d68 | 219 | { "hostname", CONTEXT_HOSTNAME }, |
7c612c2e | 220 | { "ip", CONTEXT_IP }, |
aa3514e9 | 221 | |
b13d56d7 | 222 | /* Perf options */ |
aa3514e9 MD |
223 | |
224 | /* Perf per-CPU counters */ | |
225 | PERF_HW("perf:cpu:cpu-cycles", CPU_CYCLES, | |
226 | CONTEXT_PERF_CPU_COUNTER, 0), | |
227 | PERF_HW("perf:cpu:cycles", CPU_CYCLES, | |
228 | CONTEXT_PERF_CPU_COUNTER, 0), | |
229 | PERF_HW("perf:cpu:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
230 | CONTEXT_PERF_CPU_COUNTER, 0), | |
231 | PERF_HW("perf:cpu:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
232 | CONTEXT_PERF_CPU_COUNTER, 0), | |
233 | PERF_HW("perf:cpu:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
234 | CONTEXT_PERF_CPU_COUNTER, 0), | |
235 | PERF_HW("perf:cpu:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
236 | CONTEXT_PERF_CPU_COUNTER, 0), | |
237 | PERF_HW("perf:cpu:instructions", INSTRUCTIONS, | |
238 | CONTEXT_PERF_CPU_COUNTER, 0), | |
239 | PERF_HW("perf:cpu:cache-references", CACHE_REFERENCES, | |
240 | CONTEXT_PERF_CPU_COUNTER, 0), | |
241 | PERF_HW("perf:cpu:cache-misses", CACHE_MISSES, | |
242 | CONTEXT_PERF_CPU_COUNTER, 0), | |
243 | PERF_HW("perf:cpu:branch-instructions", BRANCH_INSTRUCTIONS, | |
244 | CONTEXT_PERF_CPU_COUNTER, 0), | |
245 | PERF_HW("perf:cpu:branches", BRANCH_INSTRUCTIONS, | |
246 | CONTEXT_PERF_CPU_COUNTER, 0), | |
247 | PERF_HW("perf:cpu:branch-misses", BRANCH_MISSES, | |
248 | CONTEXT_PERF_CPU_COUNTER, 0), | |
249 | PERF_HW("perf:cpu:bus-cycles", BUS_CYCLES, | |
250 | CONTEXT_PERF_CPU_COUNTER, 0), | |
251 | ||
252 | PERF_HW_CACHE("perf:cpu:L1-dcache", L1D, | |
253 | CONTEXT_PERF_CPU_COUNTER, 0), | |
254 | PERF_HW_CACHE("perf:cpu:L1-icache", L1I, | |
255 | CONTEXT_PERF_CPU_COUNTER, 0), | |
256 | PERF_HW_CACHE("perf:cpu:LLC", LL, | |
257 | CONTEXT_PERF_CPU_COUNTER, 0), | |
258 | PERF_HW_CACHE("perf:cpu:dTLB", DTLB, | |
259 | CONTEXT_PERF_CPU_COUNTER, 0), | |
260 | _PERF_HW_CACHE("perf:cpu:iTLB-loads", ITLB, | |
261 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
262 | _PERF_HW_CACHE("perf:cpu:iTLB-load-misses", ITLB, | |
263 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
264 | _PERF_HW_CACHE("perf:cpu:branch-loads", BPU, | |
265 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
266 | _PERF_HW_CACHE("perf:cpu:branch-load-misses", BPU, | |
267 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
268 | ||
269 | PERF_SW("perf:cpu:cpu-clock", CPU_CLOCK, | |
270 | CONTEXT_PERF_CPU_COUNTER, 0), | |
271 | PERF_SW("perf:cpu:task-clock", TASK_CLOCK, | |
272 | CONTEXT_PERF_CPU_COUNTER, 0), | |
273 | PERF_SW("perf:cpu:page-fault", PAGE_FAULTS, | |
274 | CONTEXT_PERF_CPU_COUNTER, 0), | |
275 | PERF_SW("perf:cpu:faults", PAGE_FAULTS, | |
276 | CONTEXT_PERF_CPU_COUNTER, 0), | |
277 | PERF_SW("perf:cpu:major-faults", PAGE_FAULTS_MAJ, | |
278 | CONTEXT_PERF_CPU_COUNTER, 0), | |
279 | PERF_SW("perf:cpu:minor-faults", PAGE_FAULTS_MIN, | |
280 | CONTEXT_PERF_CPU_COUNTER, 0), | |
281 | PERF_SW("perf:cpu:context-switches", CONTEXT_SWITCHES, | |
282 | CONTEXT_PERF_CPU_COUNTER, 0), | |
283 | PERF_SW("perf:cpu:cs", CONTEXT_SWITCHES, | |
284 | CONTEXT_PERF_CPU_COUNTER, 0), | |
285 | PERF_SW("perf:cpu:cpu-migrations", CPU_MIGRATIONS, | |
286 | CONTEXT_PERF_CPU_COUNTER, 0), | |
287 | PERF_SW("perf:cpu:migrations", CPU_MIGRATIONS, | |
288 | CONTEXT_PERF_CPU_COUNTER, 0), | |
289 | PERF_SW("perf:cpu:alignment-faults", ALIGNMENT_FAULTS, | |
290 | CONTEXT_PERF_CPU_COUNTER, 0), | |
291 | PERF_SW("perf:cpu:emulation-faults", EMULATION_FAULTS, | |
292 | CONTEXT_PERF_CPU_COUNTER, 0), | |
293 | ||
294 | /* Perf per-thread counters */ | |
295 | PERF_HW("perf:thread:cpu-cycles", CPU_CYCLES, | |
296 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
297 | PERF_HW("perf:thread:cycles", CPU_CYCLES, | |
298 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
299 | PERF_HW("perf:thread:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
300 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
301 | PERF_HW("perf:thread:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
302 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
303 | PERF_HW("perf:thread:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
304 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
305 | PERF_HW("perf:thread:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
306 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
307 | PERF_HW("perf:thread:instructions", INSTRUCTIONS, | |
308 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
309 | PERF_HW("perf:thread:cache-references", CACHE_REFERENCES, | |
310 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
311 | PERF_HW("perf:thread:cache-misses", CACHE_MISSES, | |
312 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
313 | PERF_HW("perf:thread:branch-instructions", BRANCH_INSTRUCTIONS, | |
314 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
315 | PERF_HW("perf:thread:branches", BRANCH_INSTRUCTIONS, | |
316 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
317 | PERF_HW("perf:thread:branch-misses", BRANCH_MISSES, | |
318 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
319 | PERF_HW("perf:thread:bus-cycles", BUS_CYCLES, | |
320 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
321 | ||
322 | PERF_HW_CACHE("perf:thread:L1-dcache", L1D, | |
323 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
324 | PERF_HW_CACHE("perf:thread:L1-icache", L1I, | |
325 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
326 | PERF_HW_CACHE("perf:thread:LLC", LL, | |
327 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
328 | PERF_HW_CACHE("perf:thread:dTLB", DTLB, | |
329 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
330 | _PERF_HW_CACHE("perf:thread:iTLB-loads", ITLB, | |
331 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
332 | _PERF_HW_CACHE("perf:thread:iTLB-load-misses", ITLB, | |
333 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
334 | _PERF_HW_CACHE("perf:thread:branch-loads", BPU, | |
335 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
336 | _PERF_HW_CACHE("perf:thread:branch-load-misses", BPU, | |
337 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
338 | ||
339 | PERF_SW("perf:thread:cpu-clock", CPU_CLOCK, | |
340 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
341 | PERF_SW("perf:thread:task-clock", TASK_CLOCK, | |
342 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
343 | PERF_SW("perf:thread:page-fault", PAGE_FAULTS, | |
344 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
345 | PERF_SW("perf:thread:faults", PAGE_FAULTS, | |
346 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
347 | PERF_SW("perf:thread:major-faults", PAGE_FAULTS_MAJ, | |
348 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
349 | PERF_SW("perf:thread:minor-faults", PAGE_FAULTS_MIN, | |
350 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
351 | PERF_SW("perf:thread:context-switches", CONTEXT_SWITCHES, | |
352 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
353 | PERF_SW("perf:thread:cs", CONTEXT_SWITCHES, | |
354 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
355 | PERF_SW("perf:thread:cpu-migrations", CPU_MIGRATIONS, | |
356 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
357 | PERF_SW("perf:thread:migrations", CPU_MIGRATIONS, | |
358 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
359 | PERF_SW("perf:thread:alignment-faults", ALIGNMENT_FAULTS, | |
360 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
361 | PERF_SW("perf:thread:emulation-faults", EMULATION_FAULTS, | |
362 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
363 | ||
364 | /* | |
365 | * Perf per-CPU counters, backward compatibilty for names. | |
366 | * Hidden from help listing. | |
367 | */ | |
368 | PERF_HW("perf:cpu-cycles", CPU_CYCLES, | |
369 | CONTEXT_PERF_COUNTER, 1), | |
370 | PERF_HW("perf:cycles", CPU_CYCLES, | |
371 | CONTEXT_PERF_COUNTER, 1), | |
372 | PERF_HW("perf:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
373 | CONTEXT_PERF_COUNTER, 1), | |
374 | PERF_HW("perf:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
375 | CONTEXT_PERF_COUNTER, 1), | |
376 | PERF_HW("perf:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
377 | CONTEXT_PERF_COUNTER, 1), | |
378 | PERF_HW("perf:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
379 | CONTEXT_PERF_COUNTER, 1), | |
380 | PERF_HW("perf:instructions", INSTRUCTIONS, | |
381 | CONTEXT_PERF_COUNTER, 1), | |
382 | PERF_HW("perf:cache-references", CACHE_REFERENCES, | |
383 | CONTEXT_PERF_COUNTER, 1), | |
384 | PERF_HW("perf:cache-misses", CACHE_MISSES, | |
385 | CONTEXT_PERF_COUNTER, 1), | |
386 | PERF_HW("perf:branch-instructions", BRANCH_INSTRUCTIONS, | |
387 | CONTEXT_PERF_COUNTER, 1), | |
388 | PERF_HW("perf:branches", BRANCH_INSTRUCTIONS, | |
389 | CONTEXT_PERF_COUNTER, 1), | |
390 | PERF_HW("perf:branch-misses", BRANCH_MISSES, | |
391 | CONTEXT_PERF_COUNTER, 1), | |
392 | PERF_HW("perf:bus-cycles", BUS_CYCLES, | |
393 | CONTEXT_PERF_COUNTER, 1), | |
394 | ||
395 | PERF_HW_CACHE("perf:L1-dcache", L1D, | |
396 | CONTEXT_PERF_COUNTER, 1), | |
397 | PERF_HW_CACHE("perf:L1-icache", L1I, | |
398 | CONTEXT_PERF_COUNTER, 1), | |
399 | PERF_HW_CACHE("perf:LLC", LL, | |
400 | CONTEXT_PERF_COUNTER, 1), | |
401 | PERF_HW_CACHE("perf:dTLB", DTLB, | |
402 | CONTEXT_PERF_COUNTER, 1), | |
403 | _PERF_HW_CACHE("perf:iTLB-loads", ITLB, | |
404 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
405 | _PERF_HW_CACHE("perf:iTLB-load-misses", ITLB, | |
406 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
407 | _PERF_HW_CACHE("perf:branch-loads", BPU, | |
408 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
409 | _PERF_HW_CACHE("perf:branch-load-misses", BPU, | |
410 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
411 | ||
412 | PERF_SW("perf:cpu-clock", CPU_CLOCK, | |
413 | CONTEXT_PERF_COUNTER, 1), | |
414 | PERF_SW("perf:task-clock", TASK_CLOCK, | |
415 | CONTEXT_PERF_COUNTER, 1), | |
416 | PERF_SW("perf:page-fault", PAGE_FAULTS, | |
417 | CONTEXT_PERF_COUNTER, 1), | |
418 | PERF_SW("perf:faults", PAGE_FAULTS, | |
419 | CONTEXT_PERF_COUNTER, 1), | |
420 | PERF_SW("perf:major-faults", PAGE_FAULTS_MAJ, | |
421 | CONTEXT_PERF_COUNTER, 1), | |
422 | PERF_SW("perf:minor-faults", PAGE_FAULTS_MIN, | |
423 | CONTEXT_PERF_COUNTER, 1), | |
424 | PERF_SW("perf:context-switches", CONTEXT_SWITCHES, | |
425 | CONTEXT_PERF_COUNTER, 1), | |
426 | PERF_SW("perf:cs", CONTEXT_SWITCHES, | |
427 | CONTEXT_PERF_COUNTER, 1), | |
428 | PERF_SW("perf:cpu-migrations", CPU_MIGRATIONS, | |
429 | CONTEXT_PERF_COUNTER, 1), | |
430 | PERF_SW("perf:migrations", CPU_MIGRATIONS, | |
431 | CONTEXT_PERF_COUNTER, 1), | |
432 | PERF_SW("perf:alignment-faults", ALIGNMENT_FAULTS, | |
433 | CONTEXT_PERF_COUNTER, 1), | |
434 | PERF_SW("perf:emulation-faults", EMULATION_FAULTS, | |
435 | CONTEXT_PERF_COUNTER, 1), | |
436 | ||
b13d56d7 | 437 | { NULL, -1 }, /* Closure */ |
90b9a268 DG |
438 | }; |
439 | ||
aa3514e9 MD |
440 | #undef PERF_HW_CACHE |
441 | #undef _PERF_HW_CACHE | |
b13d56d7 MD |
442 | #undef PERF_SW |
443 | #undef PERF_HW | |
444 | ||
90b9a268 | 445 | /* |
b13d56d7 | 446 | * Context type for command line option parsing. |
90b9a268 | 447 | */ |
b13d56d7 MD |
448 | struct ctx_type { |
449 | const struct ctx_opts *opt; | |
450 | struct cds_list_head list; | |
90b9a268 DG |
451 | }; |
452 | ||
453 | /* | |
454 | * List of context type. Use to enable multiple context on a single command | |
455 | * line entry. | |
456 | */ | |
457 | struct ctx_type_list { | |
458 | struct cds_list_head head; | |
459 | } ctx_type_list = { | |
460 | .head = CDS_LIST_HEAD_INIT(ctx_type_list.head), | |
461 | }; | |
462 | ||
90b9a268 DG |
463 | /* |
464 | * Pretty print context type. | |
465 | */ | |
466 | static void print_ctx_type(FILE *ofp) | |
467 | { | |
b13d56d7 MD |
468 | const char *indent = " "; |
469 | int indent_len = strlen(indent); | |
470 | int len, i = 0; | |
90b9a268 | 471 | |
76e3c5dd | 472 | fprintf(ofp, "%s", indent); |
b13d56d7 | 473 | len = indent_len; |
90b9a268 | 474 | while (ctx_opts[i].symbol != NULL) { |
aa3514e9 MD |
475 | if (!ctx_opts[i].hide_help) { |
476 | if (len > indent_len) { | |
477 | if (len + strlen(ctx_opts[i].symbol) + 2 | |
478 | >= PRINT_LINE_LEN) { | |
479 | fprintf(ofp, ",\n"); | |
480 | fprintf(ofp, "%s", indent); | |
481 | len = indent_len; | |
482 | } else { | |
483 | len += fprintf(ofp, ", "); | |
484 | } | |
90b9a268 | 485 | } |
aa3514e9 | 486 | len += fprintf(ofp, "%s", ctx_opts[i].symbol); |
90b9a268 DG |
487 | } |
488 | i++; | |
489 | } | |
90b9a268 DG |
490 | } |
491 | ||
d65106b1 DG |
492 | /* |
493 | * usage | |
494 | */ | |
495 | static void usage(FILE *ofp) | |
496 | { | |
32a6298d | 497 | fprintf(ofp, "usage: lttng add-context -t TYPE [-k|-u] [OPTIONS]\n"); |
d65106b1 | 498 | fprintf(ofp, "\n"); |
601d5acf DG |
499 | fprintf(ofp, "If no channel is given (-c), the context is added to\n"); |
500 | fprintf(ofp, "all channels.\n"); | |
32a6298d | 501 | fprintf(ofp, "\n"); |
601d5acf | 502 | fprintf(ofp, "Otherwise the context is added only to the channel (-c).\n"); |
32a6298d DG |
503 | fprintf(ofp, "\n"); |
504 | fprintf(ofp, "Exactly one domain (-k or -u) must be specified.\n"); | |
3301e740 | 505 | fprintf(ofp, "\n"); |
d65106b1 DG |
506 | fprintf(ofp, "Options:\n"); |
507 | fprintf(ofp, " -h, --help Show this help\n"); | |
679b4943 | 508 | fprintf(ofp, " --list-options Simple listing of options\n"); |
5eb00805 TD |
509 | fprintf(ofp, " -s, --session NAME Apply to session name\n"); |
510 | fprintf(ofp, " -c, --channel NAME Apply to channel\n"); | |
af87c45a | 511 | fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n"); |
af87c45a | 512 | fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n"); |
32a6298d DG |
513 | fprintf(ofp, "\n"); |
514 | fprintf(ofp, "Context:\n"); | |
b13d56d7 | 515 | fprintf(ofp, " -t, --type TYPE Context type. You can repeat that option on\n"); |
af87c45a DG |
516 | fprintf(ofp, " the command line to specify multiple contexts at once.\n"); |
517 | fprintf(ofp, " (--kernel preempts --userspace)\n"); | |
b13d56d7 | 518 | fprintf(ofp, " TYPE can be one of the strings below:\n"); |
90b9a268 | 519 | print_ctx_type(ofp); |
d65106b1 | 520 | fprintf(ofp, "\n"); |
c455d428 FD |
521 | fprintf(ofp, "Note that the vpid, vppid and vtid context types represent the virtual process id,\n" |
522 | "virtual parent process id and virtual thread id as seen from the current execution context\n" | |
523 | "as opposed to the pid, ppid and tid which are kernel internal data structures.\n\n"); | |
90b9a268 | 524 | fprintf(ofp, "Example:\n"); |
aa3514e9 MD |
525 | fprintf(ofp, "This command will add the context information 'prio' and two per-cpu\n" |
526 | "perf counters (hardware branch misses and cache misses), to all channels\n" | |
b13d56d7 | 527 | "in the trace data output:\n"); |
aa3514e9 | 528 | fprintf(ofp, "# lttng add-context -k -t prio -t perf:cpu:branch-misses -t perf:cpu:cache-misses\n"); |
d65106b1 DG |
529 | fprintf(ofp, "\n"); |
530 | } | |
531 | ||
90b9a268 DG |
532 | /* |
533 | * Find context numerical value from string. | |
534 | */ | |
535 | static int find_ctx_type_idx(const char *opt) | |
536 | { | |
537 | int ret = -1, i = 0; | |
538 | ||
539 | while (ctx_opts[i].symbol != NULL) { | |
540 | if (strcmp(opt, ctx_opts[i].symbol) == 0) { | |
541 | ret = i; | |
542 | goto end; | |
543 | } | |
544 | i++; | |
545 | } | |
546 | ||
547 | end: | |
548 | return ret; | |
549 | } | |
550 | ||
90b9a268 DG |
551 | /* |
552 | * Add context to channel or event. | |
d65106b1 | 553 | */ |
cd80958d | 554 | static int add_context(char *session_name) |
d65106b1 | 555 | { |
89b72577 | 556 | int ret = CMD_SUCCESS, warn = 0, success = 0; |
7d29a247 DG |
557 | struct lttng_event_context context; |
558 | struct lttng_domain dom; | |
3301e740 | 559 | struct ctx_type *type; |
b13d56d7 | 560 | char *ptr; |
d65106b1 | 561 | |
441c16a7 MD |
562 | memset(&context, 0, sizeof(context)); |
563 | memset(&dom, 0, sizeof(dom)); | |
564 | ||
cd80958d DG |
565 | if (opt_kernel) { |
566 | dom.type = LTTNG_DOMAIN_KERNEL; | |
d78d6610 | 567 | } else if (opt_userspace) { |
55cc08a6 | 568 | dom.type = LTTNG_DOMAIN_UST; |
55cc08a6 | 569 | } else { |
b9dfb167 | 570 | print_missing_domain(); |
d16c1a4c | 571 | ret = CMD_ERROR; |
55cc08a6 | 572 | goto error; |
cd80958d DG |
573 | } |
574 | ||
575 | handle = lttng_create_handle(session_name, &dom); | |
576 | if (handle == NULL) { | |
af87c45a | 577 | ret = CMD_ERROR; |
cd80958d DG |
578 | goto error; |
579 | } | |
580 | ||
89b72577 JRJ |
581 | if (lttng_opt_mi) { |
582 | /* Open a contexts element */ | |
583 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
584 | if (ret) { | |
585 | goto error; | |
586 | } | |
587 | } | |
588 | ||
5eb00805 | 589 | /* Iterate over all the context types given */ |
3301e740 | 590 | cds_list_for_each_entry(type, &ctx_type_list.head, list) { |
6775595e | 591 | context.ctx = (enum lttng_event_context_type) type->opt->ctx_type; |
aa3514e9 MD |
592 | switch (context.ctx) { |
593 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
594 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
595 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
b13d56d7 MD |
596 | context.u.perf_counter.type = type->opt->u.perf.type; |
597 | context.u.perf_counter.config = type->opt->u.perf.config; | |
24546386 MD |
598 | strncpy(context.u.perf_counter.name, type->opt->symbol, |
599 | LTTNG_SYMBOL_NAME_LEN); | |
600 | context.u.perf_counter.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
b13d56d7 MD |
601 | /* Replace : and - by _ */ |
602 | while ((ptr = strchr(context.u.perf_counter.name, '-')) != NULL) { | |
603 | *ptr = '_'; | |
3301e740 | 604 | } |
b13d56d7 MD |
605 | while ((ptr = strchr(context.u.perf_counter.name, ':')) != NULL) { |
606 | *ptr = '_'; | |
3301e740 | 607 | } |
aa3514e9 MD |
608 | break; |
609 | default: | |
610 | break; | |
3301e740 | 611 | } |
55cc08a6 DG |
612 | DBG("Adding context..."); |
613 | ||
89b72577 JRJ |
614 | if (lttng_opt_mi) { |
615 | /* We leave context open the update the success of the command */ | |
616 | ret = mi_lttng_context(writer, &context, 1); | |
617 | if (ret) { | |
618 | ret = CMD_ERROR; | |
619 | goto error; | |
620 | } | |
621 | } | |
622 | ||
601d5acf | 623 | ret = lttng_add_context(handle, &context, NULL, opt_channel_name); |
55cc08a6 | 624 | if (ret < 0) { |
b58471ff | 625 | ERR("%s: %s", type->opt->symbol, lttng_strerror(ret)); |
d16c1a4c | 626 | warn = 1; |
89b72577 | 627 | success = 0; |
d65106b1 | 628 | } else { |
601d5acf | 629 | if (opt_channel_name) { |
b58471ff DG |
630 | MSG("%s context %s added to channel %s", |
631 | opt_kernel ? "kernel" : "UST", type->opt->symbol, | |
632 | opt_channel_name); | |
b58471ff DG |
633 | } else { |
634 | MSG("%s context %s added to all channels", | |
635 | opt_kernel ? "kernel" : "UST", type->opt->symbol) | |
636 | } | |
89b72577 JRJ |
637 | success = 1; |
638 | } | |
639 | ||
640 | if (lttng_opt_mi) { | |
641 | /* Is the single operation a success ? */ | |
642 | ret = mi_lttng_writer_write_element_bool(writer, | |
643 | mi_lttng_element_success, success); | |
644 | if (ret) { | |
645 | ret = CMD_ERROR; | |
646 | goto error; | |
647 | } | |
648 | ||
649 | /* Close the context element */ | |
650 | ret = mi_lttng_writer_close_element(writer); | |
651 | if (ret) { | |
652 | ret = CMD_ERROR; | |
653 | goto error; | |
654 | } | |
655 | } | |
656 | } | |
657 | ||
658 | if (lttng_opt_mi) { | |
659 | /* Close contexts element */ | |
660 | ret = mi_lttng_writer_close_element(writer); | |
661 | if (ret) { | |
662 | goto error; | |
d65106b1 | 663 | } |
d65106b1 DG |
664 | } |
665 | ||
af87c45a DG |
666 | ret = CMD_SUCCESS; |
667 | ||
d65106b1 | 668 | error: |
cd80958d DG |
669 | lttng_destroy_handle(handle); |
670 | ||
d16c1a4c DG |
671 | /* |
672 | * This means that at least one add_context failed and tells the user to | |
673 | * look on stderr for error(s). | |
674 | */ | |
89b72577 | 675 | if (!ret && warn) { |
d16c1a4c DG |
676 | ret = CMD_WARNING; |
677 | } | |
d65106b1 DG |
678 | return ret; |
679 | } | |
680 | ||
681 | /* | |
5eb00805 | 682 | * Add context to channel or event. |
d65106b1 DG |
683 | */ |
684 | int cmd_add_context(int argc, const char **argv) | |
685 | { | |
89b72577 JRJ |
686 | int index, opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
687 | int success = 1; | |
d65106b1 | 688 | static poptContext pc; |
b13d56d7 | 689 | struct ctx_type *type, *tmptype; |
cd80958d | 690 | char *session_name = NULL; |
d65106b1 | 691 | |
636167b6 DG |
692 | if (argc < 2) { |
693 | usage(stderr); | |
5eb00805 | 694 | ret = CMD_ERROR; |
636167b6 DG |
695 | goto end; |
696 | } | |
697 | ||
d65106b1 DG |
698 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
699 | poptReadDefaultConfig(pc, 0); | |
700 | ||
701 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
702 | switch (opt) { | |
703 | case OPT_HELP: | |
5eb00805 | 704 | usage(stdout); |
d65106b1 DG |
705 | goto end; |
706 | case OPT_TYPE: | |
af87c45a DG |
707 | /* |
708 | * Look up the index of opt_type in ctx_opts[] first, so we don't | |
709 | * have to free(type) on failure. | |
710 | */ | |
6caa2bcc | 711 | index = find_ctx_type_idx(opt_type); |
b13d56d7 | 712 | if (index < 0) { |
6caa2bcc | 713 | ERR("Unknown context type %s", opt_type); |
5eb00805 | 714 | ret = CMD_ERROR; |
b13d56d7 | 715 | goto end; |
90b9a268 | 716 | } |
5eb00805 TD |
717 | |
718 | type = malloc(sizeof(struct ctx_type)); | |
719 | if (type == NULL) { | |
720 | perror("malloc ctx_type"); | |
721 | ret = CMD_FATAL; | |
722 | goto end; | |
723 | } | |
724 | ||
b13d56d7 | 725 | type->opt = &ctx_opts[index]; |
109be0da | 726 | if (type->opt->symbol == NULL) { |
6caa2bcc | 727 | ERR("Unknown context type %s", opt_type); |
5eb00805 TD |
728 | free(type); |
729 | ret = CMD_ERROR; | |
730 | goto end; | |
90b9a268 | 731 | } else { |
31746f93 | 732 | cds_list_add_tail(&type->list, &ctx_type_list.head); |
90b9a268 | 733 | } |
d65106b1 | 734 | break; |
eeac7d46 MD |
735 | case OPT_USERSPACE: |
736 | opt_userspace = 1; | |
d78d6610 | 737 | #if 0 |
eeac7d46 | 738 | opt_cmd_name = poptGetOptArg(pc); |
d78d6610 | 739 | #endif |
eeac7d46 | 740 | break; |
679b4943 SM |
741 | case OPT_LIST_OPTIONS: |
742 | list_cmd_options(stdout, long_options); | |
679b4943 | 743 | goto end; |
d65106b1 DG |
744 | default: |
745 | usage(stderr); | |
746 | ret = CMD_UNDEFINED; | |
747 | goto end; | |
748 | } | |
749 | } | |
750 | ||
ae856491 DG |
751 | if (!opt_type) { |
752 | ERR("Missing mandatory -t TYPE"); | |
753 | usage(stderr); | |
754 | ret = CMD_ERROR; | |
755 | goto end; | |
756 | } | |
757 | ||
cd80958d DG |
758 | if (!opt_session_name) { |
759 | session_name = get_session_name(); | |
760 | if (session_name == NULL) { | |
5eb00805 | 761 | ret = CMD_ERROR; |
cd80958d DG |
762 | goto end; |
763 | } | |
764 | } else { | |
765 | session_name = opt_session_name; | |
766 | } | |
767 | ||
89b72577 JRJ |
768 | /* Mi check */ |
769 | if (lttng_opt_mi) { | |
770 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
771 | if (!writer) { | |
772 | ret = -LTTNG_ERR_NOMEM; | |
773 | goto end; | |
774 | } | |
775 | ||
776 | /* Open command element */ | |
777 | ret = mi_lttng_writer_command_open(writer, | |
778 | mi_lttng_element_command_add_context); | |
779 | if (ret) { | |
780 | ret = CMD_ERROR; | |
781 | goto end; | |
782 | } | |
783 | ||
784 | /* Open output element */ | |
785 | ret = mi_lttng_writer_open_element(writer, | |
786 | mi_lttng_element_command_output); | |
787 | if (ret) { | |
788 | ret = CMD_ERROR; | |
789 | goto end; | |
790 | } | |
791 | } | |
792 | ||
793 | command_ret = add_context(session_name); | |
794 | if (command_ret) { | |
795 | success = 0; | |
796 | } | |
797 | ||
798 | /* Mi closing */ | |
799 | if (lttng_opt_mi) { | |
800 | /* Close output element */ | |
801 | ret = mi_lttng_writer_close_element(writer); | |
802 | if (ret) { | |
803 | ret = CMD_ERROR; | |
804 | goto end; | |
805 | } | |
3301e740 | 806 | |
89b72577 JRJ |
807 | /* Success ? */ |
808 | ret = mi_lttng_writer_write_element_bool(writer, | |
809 | mi_lttng_element_command_success, success); | |
810 | if (ret) { | |
811 | ret = CMD_ERROR; | |
812 | goto end; | |
813 | } | |
814 | ||
815 | /* Command element close */ | |
816 | ret = mi_lttng_writer_command_close(writer); | |
817 | if (ret) { | |
818 | ret = CMD_ERROR; | |
819 | goto end; | |
820 | } | |
821 | } | |
822 | ||
823 | end: | |
1256f150 DT |
824 | if (!opt_session_name) { |
825 | free(session_name); | |
826 | } | |
827 | ||
89b72577 JRJ |
828 | /* Mi clean-up */ |
829 | if (writer && mi_lttng_writer_destroy(writer)) { | |
830 | /* Preserve original error code */ | |
831 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
832 | } | |
833 | ||
3301e740 | 834 | /* Cleanup allocated memory */ |
b13d56d7 | 835 | cds_list_for_each_entry_safe(type, tmptype, &ctx_type_list.head, list) { |
3301e740 DG |
836 | free(type); |
837 | } | |
838 | ||
89b72577 JRJ |
839 | /* Overwrite ret if an error occurred during add_context() */ |
840 | ret = command_ret ? command_ret : ret; | |
841 | ||
ca1c3607 | 842 | poptFreeContext(pc); |
d65106b1 DG |
843 | return ret; |
844 | } |