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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 | |
6c1c0768 | 19 | #define _LGPL_SOURCE |
90b9a268 | 20 | #include <ctype.h> |
d65106b1 DG |
21 | #include <popt.h> |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <sys/stat.h> | |
26 | #include <sys/types.h> | |
27 | #include <unistd.h> | |
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 | |
d78d6610 DG |
43 | #if 0 |
44 | /* Not implemented yet */ | |
eeac7d46 | 45 | static char *opt_cmd_name; |
d65106b1 | 46 | static pid_t opt_pid; |
d78d6610 | 47 | #endif |
d65106b1 DG |
48 | |
49 | enum { | |
50 | OPT_HELP = 1, | |
51 | OPT_TYPE, | |
eeac7d46 | 52 | OPT_USERSPACE, |
679b4943 | 53 | OPT_LIST_OPTIONS, |
d65106b1 DG |
54 | }; |
55 | ||
cd80958d | 56 | static struct lttng_handle *handle; |
89b72577 | 57 | static struct mi_writer *writer; |
cd80958d | 58 | |
90b9a268 DG |
59 | /* |
60 | * Taken from the LTTng ABI | |
61 | */ | |
62 | enum context_type { | |
63 | CONTEXT_PID = 0, | |
aa3514e9 | 64 | CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ |
95da1297 | 65 | CONTEXT_PROCNAME = 2, |
90b9a268 DG |
66 | CONTEXT_PRIO = 3, |
67 | CONTEXT_NICE = 4, | |
68 | CONTEXT_VPID = 5, | |
69 | CONTEXT_TID = 6, | |
70 | CONTEXT_VTID = 7, | |
71 | CONTEXT_PPID = 8, | |
72 | CONTEXT_VPPID = 9, | |
9197c5c4 | 73 | CONTEXT_PTHREAD_ID = 10, |
54773d68 | 74 | CONTEXT_HOSTNAME = 11, |
7c612c2e | 75 | CONTEXT_IP = 12, |
aa3514e9 MD |
76 | CONTEXT_PERF_CPU_COUNTER = 13, |
77 | CONTEXT_PERF_THREAD_COUNTER = 14, | |
3301e740 DG |
78 | }; |
79 | ||
90b9a268 DG |
80 | /* |
81 | * Taken from the Perf ABI (all enum perf_*) | |
82 | */ | |
83 | enum perf_type { | |
84 | PERF_TYPE_HARDWARE = 0, | |
85 | PERF_TYPE_SOFTWARE = 1, | |
b13d56d7 | 86 | PERF_TYPE_HW_CACHE = 3, |
3301e740 DG |
87 | }; |
88 | ||
90b9a268 | 89 | enum perf_count_hard { |
b13d56d7 MD |
90 | PERF_COUNT_HW_CPU_CYCLES = 0, |
91 | PERF_COUNT_HW_INSTRUCTIONS = 1, | |
92 | PERF_COUNT_HW_CACHE_REFERENCES = 2, | |
93 | PERF_COUNT_HW_CACHE_MISSES = 3, | |
94 | PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, | |
95 | PERF_COUNT_HW_BRANCH_MISSES = 5, | |
96 | PERF_COUNT_HW_BUS_CYCLES = 6, | |
97 | PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7, | |
98 | PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8, | |
90b9a268 DG |
99 | }; |
100 | ||
101 | enum perf_count_soft { | |
102 | PERF_COUNT_SW_CPU_CLOCK = 0, | |
103 | PERF_COUNT_SW_TASK_CLOCK = 1, | |
104 | PERF_COUNT_SW_PAGE_FAULTS = 2, | |
105 | PERF_COUNT_SW_CONTEXT_SWITCHES = 3, | |
106 | PERF_COUNT_SW_CPU_MIGRATIONS = 4, | |
107 | PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, | |
108 | PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, | |
109 | PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, | |
110 | PERF_COUNT_SW_EMULATION_FAULTS = 8, | |
3301e740 DG |
111 | }; |
112 | ||
b13d56d7 MD |
113 | /* |
114 | * Generalized hardware cache events: | |
115 | * | |
116 | * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x | |
117 | * { read, write, prefetch } x | |
118 | * { accesses, misses } | |
119 | */ | |
120 | enum perf_hw_cache_id { | |
121 | PERF_COUNT_HW_CACHE_L1D = 0, | |
122 | PERF_COUNT_HW_CACHE_L1I = 1, | |
123 | PERF_COUNT_HW_CACHE_LL = 2, | |
124 | PERF_COUNT_HW_CACHE_DTLB = 3, | |
125 | PERF_COUNT_HW_CACHE_ITLB = 4, | |
126 | PERF_COUNT_HW_CACHE_BPU = 5, | |
127 | ||
128 | PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ | |
129 | }; | |
130 | ||
131 | enum perf_hw_cache_op_id { | |
132 | PERF_COUNT_HW_CACHE_OP_READ = 0, | |
133 | PERF_COUNT_HW_CACHE_OP_WRITE = 1, | |
134 | PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, | |
135 | ||
136 | PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ | |
137 | }; | |
138 | ||
139 | enum perf_hw_cache_op_result_id { | |
140 | PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, | |
141 | PERF_COUNT_HW_CACHE_RESULT_MISS = 1, | |
142 | ||
143 | PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ | |
144 | }; | |
145 | ||
d65106b1 DG |
146 | static struct poptOption long_options[] = { |
147 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
148 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 149 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
d65106b1 | 150 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
d65106b1 | 151 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 | 152 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
6caa2bcc | 153 | {"type", 't', POPT_ARG_STRING, &opt_type, OPT_TYPE, 0, 0}, |
679b4943 | 154 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
d65106b1 DG |
155 | {0, 0, 0, 0, 0, 0, 0} |
156 | }; | |
157 | ||
90b9a268 | 158 | /* |
b13d56d7 | 159 | * Context options |
90b9a268 | 160 | */ |
aa3514e9 | 161 | #define PERF_HW(optstr, name, type, hide) \ |
b13d56d7 | 162 | { \ |
aa3514e9 | 163 | optstr, type, hide, \ |
b13d56d7 MD |
164 | .u.perf = { PERF_TYPE_HARDWARE, PERF_COUNT_HW_##name, },\ |
165 | } | |
90b9a268 | 166 | |
aa3514e9 | 167 | #define PERF_SW(optstr, name, type, hide) \ |
b13d56d7 | 168 | { \ |
aa3514e9 | 169 | optstr, type, hide, \ |
b13d56d7 MD |
170 | .u.perf = { PERF_TYPE_SOFTWARE, PERF_COUNT_SW_##name, },\ |
171 | } | |
90b9a268 | 172 | |
aa3514e9 | 173 | #define _PERF_HW_CACHE(optstr, name, type, op, result, hide) \ |
b13d56d7 | 174 | { \ |
aa3514e9 | 175 | optstr, type, hide, \ |
b13d56d7 MD |
176 | .u.perf = { \ |
177 | PERF_TYPE_HW_CACHE, \ | |
178 | (uint64_t) PERF_COUNT_HW_CACHE_##name \ | |
18829107 MD |
179 | | ((uint64_t) PERF_COUNT_HW_CACHE_OP_##op << 8) \ |
180 | | ((uint64_t) PERF_COUNT_HW_CACHE_RESULT_##result << 16), \ | |
b13d56d7 MD |
181 | }, \ |
182 | } | |
183 | ||
aa3514e9 MD |
184 | #define PERF_HW_CACHE(optstr, name, type, hide) \ |
185 | _PERF_HW_CACHE(optstr "-loads", name, type, \ | |
186 | READ, ACCESS, hide), \ | |
187 | _PERF_HW_CACHE(optstr "-load-misses", name, type, \ | |
188 | READ, MISS, hide), \ | |
189 | _PERF_HW_CACHE(optstr "-stores", name, type, \ | |
190 | WRITE, ACCESS, hide), \ | |
191 | _PERF_HW_CACHE(optstr "-store-misses", name, type, \ | |
192 | WRITE, MISS, hide), \ | |
193 | _PERF_HW_CACHE(optstr "-prefetches", name, type, \ | |
194 | PREFETCH, ACCESS, hide), \ | |
195 | _PERF_HW_CACHE(optstr "-prefetch-misses", name, type, \ | |
196 | PREFETCH, MISS, hide) | |
b13d56d7 MD |
197 | |
198 | static | |
199 | const struct ctx_opts { | |
90b9a268 | 200 | char *symbol; |
b13d56d7 | 201 | enum context_type ctx_type; |
aa3514e9 | 202 | int hide_help; /* Hide from --help */ |
b13d56d7 MD |
203 | union { |
204 | struct { | |
205 | uint32_t type; | |
206 | uint64_t config; | |
207 | } perf; | |
208 | } u; | |
209 | } ctx_opts[] = { | |
210 | { "pid", CONTEXT_PID }, | |
95da1297 | 211 | { "procname", CONTEXT_PROCNAME }, |
b13d56d7 MD |
212 | { "prio", CONTEXT_PRIO }, |
213 | { "nice", CONTEXT_NICE }, | |
214 | { "vpid", CONTEXT_VPID }, | |
215 | { "tid", CONTEXT_TID }, | |
9197c5c4 | 216 | { "pthread_id", CONTEXT_PTHREAD_ID }, |
b13d56d7 MD |
217 | { "vtid", CONTEXT_VTID }, |
218 | { "ppid", CONTEXT_PPID }, | |
219 | { "vppid", CONTEXT_VPPID }, | |
54773d68 | 220 | { "hostname", CONTEXT_HOSTNAME }, |
7c612c2e | 221 | { "ip", CONTEXT_IP }, |
aa3514e9 | 222 | |
b13d56d7 | 223 | /* Perf options */ |
aa3514e9 MD |
224 | |
225 | /* Perf per-CPU counters */ | |
226 | PERF_HW("perf:cpu:cpu-cycles", CPU_CYCLES, | |
227 | CONTEXT_PERF_CPU_COUNTER, 0), | |
228 | PERF_HW("perf:cpu:cycles", CPU_CYCLES, | |
229 | CONTEXT_PERF_CPU_COUNTER, 0), | |
230 | PERF_HW("perf:cpu:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
231 | CONTEXT_PERF_CPU_COUNTER, 0), | |
232 | PERF_HW("perf:cpu:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
233 | CONTEXT_PERF_CPU_COUNTER, 0), | |
234 | PERF_HW("perf:cpu:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
235 | CONTEXT_PERF_CPU_COUNTER, 0), | |
236 | PERF_HW("perf:cpu:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
237 | CONTEXT_PERF_CPU_COUNTER, 0), | |
238 | PERF_HW("perf:cpu:instructions", INSTRUCTIONS, | |
239 | CONTEXT_PERF_CPU_COUNTER, 0), | |
240 | PERF_HW("perf:cpu:cache-references", CACHE_REFERENCES, | |
241 | CONTEXT_PERF_CPU_COUNTER, 0), | |
242 | PERF_HW("perf:cpu:cache-misses", CACHE_MISSES, | |
243 | CONTEXT_PERF_CPU_COUNTER, 0), | |
244 | PERF_HW("perf:cpu:branch-instructions", BRANCH_INSTRUCTIONS, | |
245 | CONTEXT_PERF_CPU_COUNTER, 0), | |
246 | PERF_HW("perf:cpu:branches", BRANCH_INSTRUCTIONS, | |
247 | CONTEXT_PERF_CPU_COUNTER, 0), | |
248 | PERF_HW("perf:cpu:branch-misses", BRANCH_MISSES, | |
249 | CONTEXT_PERF_CPU_COUNTER, 0), | |
250 | PERF_HW("perf:cpu:bus-cycles", BUS_CYCLES, | |
251 | CONTEXT_PERF_CPU_COUNTER, 0), | |
252 | ||
253 | PERF_HW_CACHE("perf:cpu:L1-dcache", L1D, | |
254 | CONTEXT_PERF_CPU_COUNTER, 0), | |
255 | PERF_HW_CACHE("perf:cpu:L1-icache", L1I, | |
256 | CONTEXT_PERF_CPU_COUNTER, 0), | |
257 | PERF_HW_CACHE("perf:cpu:LLC", LL, | |
258 | CONTEXT_PERF_CPU_COUNTER, 0), | |
259 | PERF_HW_CACHE("perf:cpu:dTLB", DTLB, | |
260 | CONTEXT_PERF_CPU_COUNTER, 0), | |
261 | _PERF_HW_CACHE("perf:cpu:iTLB-loads", ITLB, | |
262 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
263 | _PERF_HW_CACHE("perf:cpu:iTLB-load-misses", ITLB, | |
264 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
265 | _PERF_HW_CACHE("perf:cpu:branch-loads", BPU, | |
266 | CONTEXT_PERF_CPU_COUNTER, READ, ACCESS, 0), | |
267 | _PERF_HW_CACHE("perf:cpu:branch-load-misses", BPU, | |
268 | CONTEXT_PERF_CPU_COUNTER, READ, MISS, 0), | |
269 | ||
270 | PERF_SW("perf:cpu:cpu-clock", CPU_CLOCK, | |
271 | CONTEXT_PERF_CPU_COUNTER, 0), | |
272 | PERF_SW("perf:cpu:task-clock", TASK_CLOCK, | |
273 | CONTEXT_PERF_CPU_COUNTER, 0), | |
274 | PERF_SW("perf:cpu:page-fault", PAGE_FAULTS, | |
275 | CONTEXT_PERF_CPU_COUNTER, 0), | |
276 | PERF_SW("perf:cpu:faults", PAGE_FAULTS, | |
277 | CONTEXT_PERF_CPU_COUNTER, 0), | |
278 | PERF_SW("perf:cpu:major-faults", PAGE_FAULTS_MAJ, | |
279 | CONTEXT_PERF_CPU_COUNTER, 0), | |
280 | PERF_SW("perf:cpu:minor-faults", PAGE_FAULTS_MIN, | |
281 | CONTEXT_PERF_CPU_COUNTER, 0), | |
282 | PERF_SW("perf:cpu:context-switches", CONTEXT_SWITCHES, | |
283 | CONTEXT_PERF_CPU_COUNTER, 0), | |
284 | PERF_SW("perf:cpu:cs", CONTEXT_SWITCHES, | |
285 | CONTEXT_PERF_CPU_COUNTER, 0), | |
286 | PERF_SW("perf:cpu:cpu-migrations", CPU_MIGRATIONS, | |
287 | CONTEXT_PERF_CPU_COUNTER, 0), | |
288 | PERF_SW("perf:cpu:migrations", CPU_MIGRATIONS, | |
289 | CONTEXT_PERF_CPU_COUNTER, 0), | |
290 | PERF_SW("perf:cpu:alignment-faults", ALIGNMENT_FAULTS, | |
291 | CONTEXT_PERF_CPU_COUNTER, 0), | |
292 | PERF_SW("perf:cpu:emulation-faults", EMULATION_FAULTS, | |
293 | CONTEXT_PERF_CPU_COUNTER, 0), | |
294 | ||
295 | /* Perf per-thread counters */ | |
296 | PERF_HW("perf:thread:cpu-cycles", CPU_CYCLES, | |
297 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
298 | PERF_HW("perf:thread:cycles", CPU_CYCLES, | |
299 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
300 | PERF_HW("perf:thread:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
301 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
302 | PERF_HW("perf:thread:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
303 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
304 | PERF_HW("perf:thread:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
305 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
306 | PERF_HW("perf:thread:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
307 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
308 | PERF_HW("perf:thread:instructions", INSTRUCTIONS, | |
309 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
310 | PERF_HW("perf:thread:cache-references", CACHE_REFERENCES, | |
311 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
312 | PERF_HW("perf:thread:cache-misses", CACHE_MISSES, | |
313 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
314 | PERF_HW("perf:thread:branch-instructions", BRANCH_INSTRUCTIONS, | |
315 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
316 | PERF_HW("perf:thread:branches", BRANCH_INSTRUCTIONS, | |
317 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
318 | PERF_HW("perf:thread:branch-misses", BRANCH_MISSES, | |
319 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
320 | PERF_HW("perf:thread:bus-cycles", BUS_CYCLES, | |
321 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
322 | ||
323 | PERF_HW_CACHE("perf:thread:L1-dcache", L1D, | |
324 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
325 | PERF_HW_CACHE("perf:thread:L1-icache", L1I, | |
326 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
327 | PERF_HW_CACHE("perf:thread:LLC", LL, | |
328 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
329 | PERF_HW_CACHE("perf:thread:dTLB", DTLB, | |
330 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
331 | _PERF_HW_CACHE("perf:thread:iTLB-loads", ITLB, | |
332 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
333 | _PERF_HW_CACHE("perf:thread:iTLB-load-misses", ITLB, | |
334 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
335 | _PERF_HW_CACHE("perf:thread:branch-loads", BPU, | |
336 | CONTEXT_PERF_THREAD_COUNTER, READ, ACCESS, 0), | |
337 | _PERF_HW_CACHE("perf:thread:branch-load-misses", BPU, | |
338 | CONTEXT_PERF_THREAD_COUNTER, READ, MISS, 0), | |
339 | ||
340 | PERF_SW("perf:thread:cpu-clock", CPU_CLOCK, | |
341 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
342 | PERF_SW("perf:thread:task-clock", TASK_CLOCK, | |
343 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
344 | PERF_SW("perf:thread:page-fault", PAGE_FAULTS, | |
345 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
346 | PERF_SW("perf:thread:faults", PAGE_FAULTS, | |
347 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
348 | PERF_SW("perf:thread:major-faults", PAGE_FAULTS_MAJ, | |
349 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
350 | PERF_SW("perf:thread:minor-faults", PAGE_FAULTS_MIN, | |
351 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
352 | PERF_SW("perf:thread:context-switches", CONTEXT_SWITCHES, | |
353 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
354 | PERF_SW("perf:thread:cs", CONTEXT_SWITCHES, | |
355 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
356 | PERF_SW("perf:thread:cpu-migrations", CPU_MIGRATIONS, | |
357 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
358 | PERF_SW("perf:thread:migrations", CPU_MIGRATIONS, | |
359 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
360 | PERF_SW("perf:thread:alignment-faults", ALIGNMENT_FAULTS, | |
361 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
362 | PERF_SW("perf:thread:emulation-faults", EMULATION_FAULTS, | |
363 | CONTEXT_PERF_THREAD_COUNTER, 0), | |
364 | ||
365 | /* | |
366 | * Perf per-CPU counters, backward compatibilty for names. | |
367 | * Hidden from help listing. | |
368 | */ | |
369 | PERF_HW("perf:cpu-cycles", CPU_CYCLES, | |
370 | CONTEXT_PERF_COUNTER, 1), | |
371 | PERF_HW("perf:cycles", CPU_CYCLES, | |
372 | CONTEXT_PERF_COUNTER, 1), | |
373 | PERF_HW("perf:stalled-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
374 | CONTEXT_PERF_COUNTER, 1), | |
375 | PERF_HW("perf:idle-cycles-frontend", STALLED_CYCLES_FRONTEND, | |
376 | CONTEXT_PERF_COUNTER, 1), | |
377 | PERF_HW("perf:stalled-cycles-backend", STALLED_CYCLES_BACKEND, | |
378 | CONTEXT_PERF_COUNTER, 1), | |
379 | PERF_HW("perf:idle-cycles-backend", STALLED_CYCLES_BACKEND, | |
380 | CONTEXT_PERF_COUNTER, 1), | |
381 | PERF_HW("perf:instructions", INSTRUCTIONS, | |
382 | CONTEXT_PERF_COUNTER, 1), | |
383 | PERF_HW("perf:cache-references", CACHE_REFERENCES, | |
384 | CONTEXT_PERF_COUNTER, 1), | |
385 | PERF_HW("perf:cache-misses", CACHE_MISSES, | |
386 | CONTEXT_PERF_COUNTER, 1), | |
387 | PERF_HW("perf:branch-instructions", BRANCH_INSTRUCTIONS, | |
388 | CONTEXT_PERF_COUNTER, 1), | |
389 | PERF_HW("perf:branches", BRANCH_INSTRUCTIONS, | |
390 | CONTEXT_PERF_COUNTER, 1), | |
391 | PERF_HW("perf:branch-misses", BRANCH_MISSES, | |
392 | CONTEXT_PERF_COUNTER, 1), | |
393 | PERF_HW("perf:bus-cycles", BUS_CYCLES, | |
394 | CONTEXT_PERF_COUNTER, 1), | |
395 | ||
396 | PERF_HW_CACHE("perf:L1-dcache", L1D, | |
397 | CONTEXT_PERF_COUNTER, 1), | |
398 | PERF_HW_CACHE("perf:L1-icache", L1I, | |
399 | CONTEXT_PERF_COUNTER, 1), | |
400 | PERF_HW_CACHE("perf:LLC", LL, | |
401 | CONTEXT_PERF_COUNTER, 1), | |
402 | PERF_HW_CACHE("perf:dTLB", DTLB, | |
403 | CONTEXT_PERF_COUNTER, 1), | |
404 | _PERF_HW_CACHE("perf:iTLB-loads", ITLB, | |
405 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
406 | _PERF_HW_CACHE("perf:iTLB-load-misses", ITLB, | |
407 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
408 | _PERF_HW_CACHE("perf:branch-loads", BPU, | |
409 | CONTEXT_PERF_COUNTER, READ, ACCESS, 1), | |
410 | _PERF_HW_CACHE("perf:branch-load-misses", BPU, | |
411 | CONTEXT_PERF_COUNTER, READ, MISS, 1), | |
412 | ||
413 | PERF_SW("perf:cpu-clock", CPU_CLOCK, | |
414 | CONTEXT_PERF_COUNTER, 1), | |
415 | PERF_SW("perf:task-clock", TASK_CLOCK, | |
416 | CONTEXT_PERF_COUNTER, 1), | |
417 | PERF_SW("perf:page-fault", PAGE_FAULTS, | |
418 | CONTEXT_PERF_COUNTER, 1), | |
419 | PERF_SW("perf:faults", PAGE_FAULTS, | |
420 | CONTEXT_PERF_COUNTER, 1), | |
421 | PERF_SW("perf:major-faults", PAGE_FAULTS_MAJ, | |
422 | CONTEXT_PERF_COUNTER, 1), | |
423 | PERF_SW("perf:minor-faults", PAGE_FAULTS_MIN, | |
424 | CONTEXT_PERF_COUNTER, 1), | |
425 | PERF_SW("perf:context-switches", CONTEXT_SWITCHES, | |
426 | CONTEXT_PERF_COUNTER, 1), | |
427 | PERF_SW("perf:cs", CONTEXT_SWITCHES, | |
428 | CONTEXT_PERF_COUNTER, 1), | |
429 | PERF_SW("perf:cpu-migrations", CPU_MIGRATIONS, | |
430 | CONTEXT_PERF_COUNTER, 1), | |
431 | PERF_SW("perf:migrations", CPU_MIGRATIONS, | |
432 | CONTEXT_PERF_COUNTER, 1), | |
433 | PERF_SW("perf:alignment-faults", ALIGNMENT_FAULTS, | |
434 | CONTEXT_PERF_COUNTER, 1), | |
435 | PERF_SW("perf:emulation-faults", EMULATION_FAULTS, | |
436 | CONTEXT_PERF_COUNTER, 1), | |
437 | ||
b13d56d7 | 438 | { NULL, -1 }, /* Closure */ |
90b9a268 DG |
439 | }; |
440 | ||
aa3514e9 MD |
441 | #undef PERF_HW_CACHE |
442 | #undef _PERF_HW_CACHE | |
b13d56d7 MD |
443 | #undef PERF_SW |
444 | #undef PERF_HW | |
445 | ||
90b9a268 | 446 | /* |
b13d56d7 | 447 | * Context type for command line option parsing. |
90b9a268 | 448 | */ |
b13d56d7 MD |
449 | struct ctx_type { |
450 | const struct ctx_opts *opt; | |
451 | struct cds_list_head list; | |
90b9a268 DG |
452 | }; |
453 | ||
454 | /* | |
455 | * List of context type. Use to enable multiple context on a single command | |
456 | * line entry. | |
457 | */ | |
458 | struct ctx_type_list { | |
459 | struct cds_list_head head; | |
460 | } ctx_type_list = { | |
461 | .head = CDS_LIST_HEAD_INIT(ctx_type_list.head), | |
462 | }; | |
463 | ||
90b9a268 DG |
464 | /* |
465 | * Pretty print context type. | |
466 | */ | |
467 | static void print_ctx_type(FILE *ofp) | |
468 | { | |
b13d56d7 MD |
469 | const char *indent = " "; |
470 | int indent_len = strlen(indent); | |
471 | int len, i = 0; | |
90b9a268 | 472 | |
76e3c5dd | 473 | fprintf(ofp, "%s", indent); |
b13d56d7 | 474 | len = indent_len; |
90b9a268 | 475 | while (ctx_opts[i].symbol != NULL) { |
aa3514e9 MD |
476 | if (!ctx_opts[i].hide_help) { |
477 | if (len > indent_len) { | |
478 | if (len + strlen(ctx_opts[i].symbol) + 2 | |
479 | >= PRINT_LINE_LEN) { | |
480 | fprintf(ofp, ",\n"); | |
481 | fprintf(ofp, "%s", indent); | |
482 | len = indent_len; | |
483 | } else { | |
484 | len += fprintf(ofp, ", "); | |
485 | } | |
90b9a268 | 486 | } |
aa3514e9 | 487 | len += fprintf(ofp, "%s", ctx_opts[i].symbol); |
90b9a268 DG |
488 | } |
489 | i++; | |
490 | } | |
90b9a268 DG |
491 | } |
492 | ||
d65106b1 DG |
493 | /* |
494 | * usage | |
495 | */ | |
496 | static void usage(FILE *ofp) | |
497 | { | |
32a6298d | 498 | fprintf(ofp, "usage: lttng add-context -t TYPE [-k|-u] [OPTIONS]\n"); |
d65106b1 | 499 | fprintf(ofp, "\n"); |
601d5acf DG |
500 | fprintf(ofp, "If no channel is given (-c), the context is added to\n"); |
501 | fprintf(ofp, "all channels.\n"); | |
32a6298d | 502 | fprintf(ofp, "\n"); |
601d5acf | 503 | fprintf(ofp, "Otherwise the context is added only to the channel (-c).\n"); |
32a6298d DG |
504 | fprintf(ofp, "\n"); |
505 | fprintf(ofp, "Exactly one domain (-k or -u) must be specified.\n"); | |
3301e740 | 506 | fprintf(ofp, "\n"); |
d65106b1 DG |
507 | fprintf(ofp, "Options:\n"); |
508 | fprintf(ofp, " -h, --help Show this help\n"); | |
679b4943 | 509 | fprintf(ofp, " --list-options Simple listing of options\n"); |
5eb00805 TD |
510 | fprintf(ofp, " -s, --session NAME Apply to session name\n"); |
511 | fprintf(ofp, " -c, --channel NAME Apply to channel\n"); | |
af87c45a | 512 | fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n"); |
af87c45a | 513 | fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n"); |
32a6298d DG |
514 | fprintf(ofp, "\n"); |
515 | fprintf(ofp, "Context:\n"); | |
b13d56d7 | 516 | fprintf(ofp, " -t, --type TYPE Context type. You can repeat that option on\n"); |
af87c45a DG |
517 | fprintf(ofp, " the command line to specify multiple contexts at once.\n"); |
518 | fprintf(ofp, " (--kernel preempts --userspace)\n"); | |
b13d56d7 | 519 | fprintf(ofp, " TYPE can be one of the strings below:\n"); |
90b9a268 | 520 | print_ctx_type(ofp); |
d65106b1 | 521 | fprintf(ofp, "\n"); |
c455d428 FD |
522 | fprintf(ofp, "Note that the vpid, vppid and vtid context types represent the virtual process id,\n" |
523 | "virtual parent process id and virtual thread id as seen from the current execution context\n" | |
524 | "as opposed to the pid, ppid and tid which are kernel internal data structures.\n\n"); | |
90b9a268 | 525 | fprintf(ofp, "Example:\n"); |
aa3514e9 MD |
526 | fprintf(ofp, "This command will add the context information 'prio' and two per-cpu\n" |
527 | "perf counters (hardware branch misses and cache misses), to all channels\n" | |
b13d56d7 | 528 | "in the trace data output:\n"); |
aa3514e9 | 529 | fprintf(ofp, "# lttng add-context -k -t prio -t perf:cpu:branch-misses -t perf:cpu:cache-misses\n"); |
d65106b1 DG |
530 | fprintf(ofp, "\n"); |
531 | } | |
532 | ||
90b9a268 DG |
533 | /* |
534 | * Find context numerical value from string. | |
535 | */ | |
536 | static int find_ctx_type_idx(const char *opt) | |
537 | { | |
538 | int ret = -1, i = 0; | |
539 | ||
540 | while (ctx_opts[i].symbol != NULL) { | |
541 | if (strcmp(opt, ctx_opts[i].symbol) == 0) { | |
542 | ret = i; | |
543 | goto end; | |
544 | } | |
545 | i++; | |
546 | } | |
547 | ||
548 | end: | |
549 | return ret; | |
550 | } | |
551 | ||
90b9a268 DG |
552 | /* |
553 | * Add context to channel or event. | |
d65106b1 | 554 | */ |
cd80958d | 555 | static int add_context(char *session_name) |
d65106b1 | 556 | { |
89b72577 | 557 | int ret = CMD_SUCCESS, warn = 0, success = 0; |
7d29a247 DG |
558 | struct lttng_event_context context; |
559 | struct lttng_domain dom; | |
3301e740 | 560 | struct ctx_type *type; |
b13d56d7 | 561 | char *ptr; |
d65106b1 | 562 | |
441c16a7 MD |
563 | memset(&context, 0, sizeof(context)); |
564 | memset(&dom, 0, sizeof(dom)); | |
565 | ||
cd80958d DG |
566 | if (opt_kernel) { |
567 | dom.type = LTTNG_DOMAIN_KERNEL; | |
d78d6610 | 568 | } else if (opt_userspace) { |
55cc08a6 | 569 | dom.type = LTTNG_DOMAIN_UST; |
55cc08a6 | 570 | } else { |
b9dfb167 | 571 | print_missing_domain(); |
d16c1a4c | 572 | ret = CMD_ERROR; |
55cc08a6 | 573 | goto error; |
cd80958d DG |
574 | } |
575 | ||
576 | handle = lttng_create_handle(session_name, &dom); | |
577 | if (handle == NULL) { | |
af87c45a | 578 | ret = CMD_ERROR; |
cd80958d DG |
579 | goto error; |
580 | } | |
581 | ||
89b72577 JRJ |
582 | if (lttng_opt_mi) { |
583 | /* Open a contexts element */ | |
584 | ret = mi_lttng_writer_open_element(writer, config_element_contexts); | |
585 | if (ret) { | |
586 | goto error; | |
587 | } | |
588 | } | |
589 | ||
5eb00805 | 590 | /* Iterate over all the context types given */ |
3301e740 | 591 | cds_list_for_each_entry(type, &ctx_type_list.head, list) { |
6775595e | 592 | context.ctx = (enum lttng_event_context_type) type->opt->ctx_type; |
aa3514e9 MD |
593 | switch (context.ctx) { |
594 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
595 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
596 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
b13d56d7 MD |
597 | context.u.perf_counter.type = type->opt->u.perf.type; |
598 | context.u.perf_counter.config = type->opt->u.perf.config; | |
24546386 MD |
599 | strncpy(context.u.perf_counter.name, type->opt->symbol, |
600 | LTTNG_SYMBOL_NAME_LEN); | |
601 | context.u.perf_counter.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0'; | |
b13d56d7 MD |
602 | /* Replace : and - by _ */ |
603 | while ((ptr = strchr(context.u.perf_counter.name, '-')) != NULL) { | |
604 | *ptr = '_'; | |
3301e740 | 605 | } |
b13d56d7 MD |
606 | while ((ptr = strchr(context.u.perf_counter.name, ':')) != NULL) { |
607 | *ptr = '_'; | |
3301e740 | 608 | } |
aa3514e9 MD |
609 | break; |
610 | default: | |
611 | break; | |
3301e740 | 612 | } |
55cc08a6 DG |
613 | DBG("Adding context..."); |
614 | ||
89b72577 JRJ |
615 | if (lttng_opt_mi) { |
616 | /* We leave context open the update the success of the command */ | |
617 | ret = mi_lttng_context(writer, &context, 1); | |
618 | if (ret) { | |
619 | ret = CMD_ERROR; | |
620 | goto error; | |
621 | } | |
622 | } | |
623 | ||
601d5acf | 624 | ret = lttng_add_context(handle, &context, NULL, opt_channel_name); |
55cc08a6 | 625 | if (ret < 0) { |
b58471ff | 626 | ERR("%s: %s", type->opt->symbol, lttng_strerror(ret)); |
d16c1a4c | 627 | warn = 1; |
89b72577 | 628 | success = 0; |
d65106b1 | 629 | } else { |
601d5acf | 630 | if (opt_channel_name) { |
b58471ff DG |
631 | MSG("%s context %s added to channel %s", |
632 | opt_kernel ? "kernel" : "UST", type->opt->symbol, | |
633 | opt_channel_name); | |
b58471ff DG |
634 | } else { |
635 | MSG("%s context %s added to all channels", | |
636 | opt_kernel ? "kernel" : "UST", type->opt->symbol) | |
637 | } | |
89b72577 JRJ |
638 | success = 1; |
639 | } | |
640 | ||
641 | if (lttng_opt_mi) { | |
642 | /* Is the single operation a success ? */ | |
643 | ret = mi_lttng_writer_write_element_bool(writer, | |
644 | mi_lttng_element_success, success); | |
645 | if (ret) { | |
646 | ret = CMD_ERROR; | |
647 | goto error; | |
648 | } | |
649 | ||
650 | /* Close the context element */ | |
651 | ret = mi_lttng_writer_close_element(writer); | |
652 | if (ret) { | |
653 | ret = CMD_ERROR; | |
654 | goto error; | |
655 | } | |
656 | } | |
657 | } | |
658 | ||
659 | if (lttng_opt_mi) { | |
660 | /* Close contexts element */ | |
661 | ret = mi_lttng_writer_close_element(writer); | |
662 | if (ret) { | |
663 | goto error; | |
d65106b1 | 664 | } |
d65106b1 DG |
665 | } |
666 | ||
af87c45a DG |
667 | ret = CMD_SUCCESS; |
668 | ||
d65106b1 | 669 | error: |
cd80958d DG |
670 | lttng_destroy_handle(handle); |
671 | ||
d16c1a4c DG |
672 | /* |
673 | * This means that at least one add_context failed and tells the user to | |
674 | * look on stderr for error(s). | |
675 | */ | |
89b72577 | 676 | if (!ret && warn) { |
d16c1a4c DG |
677 | ret = CMD_WARNING; |
678 | } | |
d65106b1 DG |
679 | return ret; |
680 | } | |
681 | ||
682 | /* | |
5eb00805 | 683 | * Add context to channel or event. |
d65106b1 DG |
684 | */ |
685 | int cmd_add_context(int argc, const char **argv) | |
686 | { | |
89b72577 JRJ |
687 | int index, opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS; |
688 | int success = 1; | |
d65106b1 | 689 | static poptContext pc; |
b13d56d7 | 690 | struct ctx_type *type, *tmptype; |
cd80958d | 691 | char *session_name = NULL; |
d65106b1 | 692 | |
636167b6 DG |
693 | if (argc < 2) { |
694 | usage(stderr); | |
5eb00805 | 695 | ret = CMD_ERROR; |
636167b6 DG |
696 | goto end; |
697 | } | |
698 | ||
d65106b1 DG |
699 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
700 | poptReadDefaultConfig(pc, 0); | |
701 | ||
702 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
703 | switch (opt) { | |
704 | case OPT_HELP: | |
5eb00805 | 705 | usage(stdout); |
d65106b1 DG |
706 | goto end; |
707 | case OPT_TYPE: | |
af87c45a DG |
708 | /* |
709 | * Look up the index of opt_type in ctx_opts[] first, so we don't | |
710 | * have to free(type) on failure. | |
711 | */ | |
6caa2bcc | 712 | index = find_ctx_type_idx(opt_type); |
b13d56d7 | 713 | if (index < 0) { |
6caa2bcc | 714 | ERR("Unknown context type %s", opt_type); |
5eb00805 | 715 | ret = CMD_ERROR; |
b13d56d7 | 716 | goto end; |
90b9a268 | 717 | } |
5eb00805 | 718 | |
98cf2db1 | 719 | type = zmalloc(sizeof(struct ctx_type)); |
5eb00805 | 720 | if (type == NULL) { |
6f04ed72 | 721 | PERROR("malloc ctx_type"); |
5eb00805 TD |
722 | ret = CMD_FATAL; |
723 | goto end; | |
724 | } | |
725 | ||
b13d56d7 | 726 | type->opt = &ctx_opts[index]; |
109be0da | 727 | if (type->opt->symbol == NULL) { |
6caa2bcc | 728 | ERR("Unknown context type %s", opt_type); |
5eb00805 TD |
729 | free(type); |
730 | ret = CMD_ERROR; | |
731 | goto end; | |
90b9a268 | 732 | } else { |
31746f93 | 733 | cds_list_add_tail(&type->list, &ctx_type_list.head); |
90b9a268 | 734 | } |
d65106b1 | 735 | break; |
eeac7d46 MD |
736 | case OPT_USERSPACE: |
737 | opt_userspace = 1; | |
d78d6610 | 738 | #if 0 |
eeac7d46 | 739 | opt_cmd_name = poptGetOptArg(pc); |
d78d6610 | 740 | #endif |
eeac7d46 | 741 | break; |
679b4943 SM |
742 | case OPT_LIST_OPTIONS: |
743 | list_cmd_options(stdout, long_options); | |
679b4943 | 744 | goto end; |
d65106b1 DG |
745 | default: |
746 | usage(stderr); | |
747 | ret = CMD_UNDEFINED; | |
748 | goto end; | |
749 | } | |
750 | } | |
751 | ||
ae856491 DG |
752 | if (!opt_type) { |
753 | ERR("Missing mandatory -t TYPE"); | |
754 | usage(stderr); | |
755 | ret = CMD_ERROR; | |
756 | goto end; | |
757 | } | |
758 | ||
cd80958d DG |
759 | if (!opt_session_name) { |
760 | session_name = get_session_name(); | |
761 | if (session_name == NULL) { | |
5eb00805 | 762 | ret = CMD_ERROR; |
cd80958d DG |
763 | goto end; |
764 | } | |
765 | } else { | |
766 | session_name = opt_session_name; | |
767 | } | |
768 | ||
89b72577 JRJ |
769 | /* Mi check */ |
770 | if (lttng_opt_mi) { | |
771 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
772 | if (!writer) { | |
773 | ret = -LTTNG_ERR_NOMEM; | |
774 | goto end; | |
775 | } | |
776 | ||
777 | /* Open command element */ | |
778 | ret = mi_lttng_writer_command_open(writer, | |
779 | mi_lttng_element_command_add_context); | |
780 | if (ret) { | |
781 | ret = CMD_ERROR; | |
782 | goto end; | |
783 | } | |
784 | ||
785 | /* Open output element */ | |
786 | ret = mi_lttng_writer_open_element(writer, | |
787 | mi_lttng_element_command_output); | |
788 | if (ret) { | |
789 | ret = CMD_ERROR; | |
790 | goto end; | |
791 | } | |
792 | } | |
793 | ||
794 | command_ret = add_context(session_name); | |
795 | if (command_ret) { | |
796 | success = 0; | |
797 | } | |
798 | ||
799 | /* Mi closing */ | |
800 | if (lttng_opt_mi) { | |
801 | /* Close output element */ | |
802 | ret = mi_lttng_writer_close_element(writer); | |
803 | if (ret) { | |
804 | ret = CMD_ERROR; | |
805 | goto end; | |
806 | } | |
3301e740 | 807 | |
89b72577 JRJ |
808 | /* Success ? */ |
809 | ret = mi_lttng_writer_write_element_bool(writer, | |
810 | mi_lttng_element_command_success, success); | |
811 | if (ret) { | |
812 | ret = CMD_ERROR; | |
813 | goto end; | |
814 | } | |
815 | ||
816 | /* Command element close */ | |
817 | ret = mi_lttng_writer_command_close(writer); | |
818 | if (ret) { | |
819 | ret = CMD_ERROR; | |
820 | goto end; | |
821 | } | |
822 | } | |
823 | ||
824 | end: | |
1256f150 DT |
825 | if (!opt_session_name) { |
826 | free(session_name); | |
827 | } | |
828 | ||
89b72577 JRJ |
829 | /* Mi clean-up */ |
830 | if (writer && mi_lttng_writer_destroy(writer)) { | |
831 | /* Preserve original error code */ | |
832 | ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL; | |
833 | } | |
834 | ||
3301e740 | 835 | /* Cleanup allocated memory */ |
b13d56d7 | 836 | cds_list_for_each_entry_safe(type, tmptype, &ctx_type_list.head, list) { |
3301e740 DG |
837 | free(type); |
838 | } | |
839 | ||
89b72577 JRJ |
840 | /* Overwrite ret if an error occurred during add_context() */ |
841 | ret = command_ret ? command_ret : ret; | |
842 | ||
ca1c3607 | 843 | poptFreeContext(pc); |
d65106b1 DG |
844 | return ret; |
845 | } |