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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | #include "common/Mutex.h" | |
4 | #include "common/Cond.h" | |
5 | #include "common/errno.h" | |
6 | #include "common/version.h" | |
7 | ||
8 | #include <iostream> | |
9 | #include <sstream> | |
10 | #include <map> | |
11 | #include <numeric> | |
12 | #include <string> | |
13 | #include <vector> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
16 | ||
17 | #include "test/osd/RadosModel.h" | |
18 | ||
19 | ||
20 | using namespace std; | |
21 | ||
22 | class WeightedTestGenerator : public TestOpGenerator | |
23 | { | |
24 | public: | |
25 | ||
26 | WeightedTestGenerator(int ops, | |
27 | int objects, | |
28 | map<TestOpType, unsigned int> op_weights, | |
29 | TestOpStat *stats, | |
30 | int max_seconds, | |
31 | bool ec_pool, | |
31f18b77 FG |
32 | bool balance_reads, |
33 | bool set_redirect) : | |
7c673cae FG |
34 | m_nextop(NULL), m_op(0), m_ops(ops), m_seconds(max_seconds), |
35 | m_objects(objects), m_stats(stats), | |
36 | m_total_weight(0), | |
37 | m_ec_pool(ec_pool), | |
31f18b77 FG |
38 | m_balance_reads(balance_reads), |
39 | m_set_redirect(set_redirect) | |
7c673cae FG |
40 | { |
41 | m_start = time(0); | |
42 | for (map<TestOpType, unsigned int>::const_iterator it = op_weights.begin(); | |
43 | it != op_weights.end(); | |
44 | ++it) { | |
45 | m_total_weight += it->second; | |
46 | m_weight_sums.insert(pair<TestOpType, unsigned int>(it->first, | |
47 | m_total_weight)); | |
48 | } | |
31f18b77 FG |
49 | if (m_set_redirect) { |
50 | /* create redirect objects + set-redirect*/ | |
51 | m_redirect_objects = objects*2; // for copy_from + set-redirect test | |
52 | m_initial_redirected_objects = objects; | |
53 | m_ops = ops+m_redirect_objects+m_initial_redirected_objects; | |
54 | } | |
7c673cae FG |
55 | } |
56 | ||
57 | TestOp *next(RadosTestContext &context) override | |
58 | { | |
59 | TestOp *retval = NULL; | |
60 | ||
61 | ++m_op; | |
62 | if (m_op <= m_objects) { | |
63 | stringstream oid; | |
64 | oid << m_op; | |
65 | if (m_op % 2) { | |
66 | // make it a long name | |
67 | oid << " " << string(300, 'o'); | |
68 | } | |
69 | cout << m_op << ": write initial oid " << oid.str() << std::endl; | |
70 | context.oid_not_flushing.insert(oid.str()); | |
71 | if (m_ec_pool) { | |
72 | return new WriteOp(m_op, &context, oid.str(), true, true); | |
73 | } else { | |
74 | return new WriteOp(m_op, &context, oid.str(), false, true); | |
75 | } | |
76 | } else if (m_op >= m_ops) { | |
77 | return NULL; | |
78 | } | |
31f18b77 FG |
79 | |
80 | if (m_set_redirect) { | |
81 | /* | |
82 | * set-redirect test | |
83 | * 1. create objects (copy from) | |
84 | * 2. set-redirect | |
85 | */ | |
86 | int create_objects_end = m_objects + m_redirect_objects; | |
87 | int set_redirect_end = create_objects_end + m_initial_redirected_objects; | |
88 | ||
89 | if (m_op <= create_objects_end) { | |
90 | stringstream oid; | |
91 | int _oid = m_op; | |
92 | oid << _oid; | |
93 | if ((_oid) % 2) { | |
94 | oid << " " << string(300, 'o'); | |
95 | } | |
96 | stringstream oid2; | |
97 | int _oid2 = _oid - m_objects; | |
98 | oid2 << _oid2; | |
99 | if ((_oid2) % 2) { | |
100 | oid2 << " " << string(300, 'o'); | |
101 | } | |
102 | cout << m_op << ": " << "(create redirect oid) copy_from oid " << oid.str() | |
103 | << " from oid " << oid2.str() << std::endl; | |
104 | return new CopyFromOp(m_op, &context, oid.str(), oid2.str(), m_stats); | |
105 | } else if (m_op <= set_redirect_end) { | |
106 | stringstream oid; | |
107 | int _oid = m_op-create_objects_end; | |
108 | oid << _oid; | |
109 | if ((_oid) % 2) { | |
110 | oid << " " << string(300, 'o'); | |
111 | } | |
112 | stringstream oid2; | |
113 | int _oid2 = _oid + m_objects; | |
114 | oid2 << _oid2; | |
115 | if ((_oid2) % 2) { | |
116 | oid2 << " " << string(300, 'o'); | |
117 | } | |
118 | cout << m_op << ": " << "set_redirect oid " << oid.str() << " target oid " | |
119 | << oid2.str() << std::endl; | |
120 | return new SetRedirectOp(m_op, &context, oid.str(), oid2.str(), context.pool_name); | |
121 | } | |
122 | ||
123 | if (!context.oid_redirect_not_in_use.size() && m_op > set_redirect_end) { | |
124 | int set_size = context.oid_not_in_use.size(); | |
125 | if (set_size < m_objects + m_redirect_objects) { | |
126 | return NULL; | |
127 | } | |
128 | for (int t_op = m_objects+1; t_op <= create_objects_end; t_op++) { | |
129 | stringstream oid; | |
130 | oid << t_op; | |
131 | if (t_op % 2) { | |
132 | oid << " " << string(300, 'o'); | |
133 | } | |
134 | context.oid_not_flushing.erase(oid.str()); | |
135 | context.oid_not_in_use.erase(oid.str()); | |
136 | context.oid_in_use.erase(oid.str()); | |
137 | cout << m_op << ": " << " remove oid " << oid.str() << " from oid_*_use " << std::endl; | |
138 | if (t_op > m_objects + m_initial_redirected_objects) { | |
139 | context.oid_redirect_not_in_use.insert(oid.str()); | |
140 | } | |
141 | } | |
142 | cout << m_op << ": " << " oid_not_in_use: " << context.oid_not_in_use.size() | |
143 | << " oid_in_use: " << context.oid_in_use.size() << std::endl; | |
144 | } | |
145 | } | |
7c673cae FG |
146 | |
147 | if (m_nextop) { | |
148 | retval = m_nextop; | |
149 | m_nextop = NULL; | |
150 | return retval; | |
151 | } | |
152 | ||
153 | while (retval == NULL) { | |
154 | unsigned int rand_val = rand() % m_total_weight; | |
155 | ||
156 | time_t now = time(0); | |
157 | if (m_seconds && now - m_start > m_seconds) | |
158 | break; | |
159 | ||
160 | for (map<TestOpType, unsigned int>::const_iterator it = m_weight_sums.begin(); | |
161 | it != m_weight_sums.end(); | |
162 | ++it) { | |
163 | if (rand_val < it->second) { | |
164 | retval = gen_op(context, it->first); | |
165 | break; | |
166 | } | |
167 | } | |
168 | } | |
169 | return retval; | |
170 | } | |
171 | ||
172 | private: | |
173 | ||
174 | TestOp *gen_op(RadosTestContext &context, TestOpType type) | |
175 | { | |
176 | string oid, oid2; | |
7c673cae FG |
177 | assert(context.oid_not_in_use.size()); |
178 | ||
179 | switch (type) { | |
180 | case TEST_OP_READ: | |
181 | oid = *(rand_choose(context.oid_not_in_use)); | |
182 | return new ReadOp(m_op, &context, oid, m_balance_reads, m_stats); | |
183 | ||
184 | case TEST_OP_WRITE: | |
185 | oid = *(rand_choose(context.oid_not_in_use)); | |
186 | cout << m_op << ": " << "write oid " << oid << " current snap is " | |
187 | << context.current_snap << std::endl; | |
188 | return new WriteOp(m_op, &context, oid, false, false, m_stats); | |
189 | ||
190 | case TEST_OP_WRITE_EXCL: | |
191 | oid = *(rand_choose(context.oid_not_in_use)); | |
192 | cout << m_op << ": " << "write (excl) oid " | |
193 | << oid << " current snap is " | |
194 | << context.current_snap << std::endl; | |
195 | return new WriteOp(m_op, &context, oid, false, true, m_stats); | |
196 | ||
197 | case TEST_OP_WRITESAME: | |
198 | oid = *(rand_choose(context.oid_not_in_use)); | |
199 | cout << m_op << ": " << "writesame oid " | |
200 | << oid << " current snap is " | |
201 | << context.current_snap << std::endl; | |
202 | return new WriteSameOp(m_op, &context, oid, m_stats); | |
203 | ||
204 | case TEST_OP_DELETE: | |
205 | oid = *(rand_choose(context.oid_not_in_use)); | |
206 | cout << m_op << ": " << "delete oid " << oid << " current snap is " | |
207 | << context.current_snap << std::endl; | |
208 | return new DeleteOp(m_op, &context, oid, m_stats); | |
209 | ||
210 | case TEST_OP_SNAP_CREATE: | |
211 | cout << m_op << ": " << "snap_create" << std::endl; | |
212 | return new SnapCreateOp(m_op, &context, m_stats); | |
213 | ||
214 | case TEST_OP_SNAP_REMOVE: | |
215 | if (context.snaps.size() <= context.snaps_in_use.size()) { | |
216 | return NULL; | |
217 | } | |
218 | while (true) { | |
219 | int snap = rand_choose(context.snaps)->first; | |
220 | if (context.snaps_in_use.lookup(snap)) | |
221 | continue; // in use; try again! | |
222 | cout << m_op << ": " << "snap_remove snap " << snap << std::endl; | |
223 | return new SnapRemoveOp(m_op, &context, snap, m_stats); | |
224 | } | |
225 | ||
226 | case TEST_OP_ROLLBACK: | |
227 | { | |
228 | string oid = *(rand_choose(context.oid_not_in_use)); | |
229 | cout << m_op << ": " << "rollback oid " << oid << " current snap is " | |
230 | << context.current_snap << std::endl; | |
231 | return new RollbackOp(m_op, &context, oid); | |
232 | } | |
233 | ||
234 | case TEST_OP_SETATTR: | |
235 | oid = *(rand_choose(context.oid_not_in_use)); | |
236 | cout << m_op << ": " << "setattr oid " << oid | |
237 | << " current snap is " << context.current_snap << std::endl; | |
238 | return new SetAttrsOp(m_op, &context, oid, m_stats); | |
239 | ||
240 | case TEST_OP_RMATTR: | |
241 | oid = *(rand_choose(context.oid_not_in_use)); | |
242 | cout << m_op << ": " << "rmattr oid " << oid | |
243 | << " current snap is " << context.current_snap << std::endl; | |
244 | return new RemoveAttrsOp(m_op, &context, oid, m_stats); | |
245 | ||
246 | case TEST_OP_WATCH: | |
247 | oid = *(rand_choose(context.oid_not_in_use)); | |
248 | cout << m_op << ": " << "watch oid " << oid | |
249 | << " current snap is " << context.current_snap << std::endl; | |
250 | return new WatchOp(m_op, &context, oid, m_stats); | |
251 | ||
252 | case TEST_OP_COPY_FROM: | |
253 | oid = *(rand_choose(context.oid_not_in_use)); | |
254 | do { | |
255 | oid2 = *(rand_choose(context.oid_not_in_use)); | |
256 | } while (oid == oid2); | |
257 | cout << m_op << ": " << "copy_from oid " << oid << " from oid " << oid2 | |
258 | << " current snap is " << context.current_snap << std::endl; | |
259 | return new CopyFromOp(m_op, &context, oid, oid2, m_stats); | |
260 | ||
261 | case TEST_OP_HIT_SET_LIST: | |
262 | { | |
263 | uint32_t hash = rjhash32(rand()); | |
264 | cout << m_op << ": " << "hit_set_list " << hash << std::endl; | |
265 | return new HitSetListOp(m_op, &context, hash, m_stats); | |
266 | } | |
267 | ||
268 | case TEST_OP_UNDIRTY: | |
269 | { | |
270 | oid = *(rand_choose(context.oid_not_in_use)); | |
271 | cout << m_op << ": " << "undirty oid " << oid << std::endl; | |
272 | return new UndirtyOp(m_op, &context, oid, m_stats); | |
273 | } | |
274 | ||
275 | case TEST_OP_IS_DIRTY: | |
276 | { | |
277 | oid = *(rand_choose(context.oid_not_flushing)); | |
278 | return new IsDirtyOp(m_op, &context, oid, m_stats); | |
279 | } | |
280 | ||
281 | case TEST_OP_CACHE_FLUSH: | |
282 | { | |
283 | oid = *(rand_choose(context.oid_not_in_use)); | |
284 | return new CacheFlushOp(m_op, &context, oid, m_stats, true); | |
285 | } | |
286 | ||
287 | case TEST_OP_CACHE_TRY_FLUSH: | |
288 | { | |
289 | oid = *(rand_choose(context.oid_not_in_use)); | |
290 | return new CacheFlushOp(m_op, &context, oid, m_stats, false); | |
291 | } | |
292 | ||
293 | case TEST_OP_CACHE_EVICT: | |
294 | { | |
295 | oid = *(rand_choose(context.oid_not_in_use)); | |
296 | return new CacheEvictOp(m_op, &context, oid, m_stats); | |
297 | } | |
298 | ||
299 | case TEST_OP_APPEND: | |
300 | oid = *(rand_choose(context.oid_not_in_use)); | |
301 | cout << "append oid " << oid << " current snap is " | |
302 | << context.current_snap << std::endl; | |
303 | return new WriteOp(m_op, &context, oid, true, false, m_stats); | |
304 | ||
305 | case TEST_OP_APPEND_EXCL: | |
306 | oid = *(rand_choose(context.oid_not_in_use)); | |
307 | cout << "append oid (excl) " << oid << " current snap is " | |
308 | << context.current_snap << std::endl; | |
309 | return new WriteOp(m_op, &context, oid, true, true, m_stats); | |
310 | ||
31f18b77 FG |
311 | case TEST_OP_SET_REDIRECT: |
312 | oid = *(rand_choose(context.oid_not_in_use)); | |
313 | oid2 = *(rand_choose(context.oid_redirect_not_in_use)); | |
314 | cout << m_op << ": " << "set_redirect oid " << oid << " target oid " << oid2 << std::endl; | |
315 | return new SetRedirectOp(m_op, &context, oid, oid2, context.pool_name, m_stats); | |
316 | ||
317 | case TEST_OP_UNSET_REDIRECT: | |
318 | oid = *(rand_choose(context.oid_not_in_use)); | |
319 | cout << m_op << ": " << "unset_redirect oid " << oid << std::endl; | |
320 | return new UnsetRedirectOp(m_op, &context, oid, m_stats); | |
321 | ||
7c673cae FG |
322 | default: |
323 | cerr << m_op << ": Invalid op type " << type << std::endl; | |
324 | ceph_abort(); | |
325 | return nullptr; | |
326 | } | |
327 | } | |
328 | ||
329 | TestOp *m_nextop; | |
330 | int m_op; | |
331 | int m_ops; | |
332 | int m_seconds; | |
333 | int m_objects; | |
334 | time_t m_start; | |
335 | TestOpStat *m_stats; | |
336 | map<TestOpType, unsigned int> m_weight_sums; | |
337 | unsigned int m_total_weight; | |
338 | bool m_ec_pool; | |
339 | bool m_balance_reads; | |
31f18b77 FG |
340 | bool m_set_redirect; |
341 | int m_redirect_objects; | |
342 | int m_initial_redirected_objects; | |
7c673cae FG |
343 | }; |
344 | ||
345 | int main(int argc, char **argv) | |
346 | { | |
347 | int ops = 1000; | |
348 | int objects = 50; | |
349 | int max_in_flight = 16; | |
350 | int64_t size = 4000000; // 4 MB | |
351 | int64_t min_stride_size = -1, max_stride_size = -1; | |
352 | int max_seconds = 0; | |
353 | bool pool_snaps = false; | |
354 | bool write_fadvise_dontneed = false; | |
355 | ||
356 | struct { | |
357 | TestOpType op; | |
358 | const char *name; | |
359 | bool ec_pool_valid; | |
360 | } op_types[] = { | |
361 | { TEST_OP_READ, "read", true }, | |
362 | { TEST_OP_WRITE, "write", false }, | |
363 | { TEST_OP_WRITE_EXCL, "write_excl", false }, | |
364 | { TEST_OP_WRITESAME, "writesame", false }, | |
365 | { TEST_OP_DELETE, "delete", true }, | |
366 | { TEST_OP_SNAP_CREATE, "snap_create", true }, | |
367 | { TEST_OP_SNAP_REMOVE, "snap_remove", true }, | |
368 | { TEST_OP_ROLLBACK, "rollback", true }, | |
369 | { TEST_OP_SETATTR, "setattr", true }, | |
370 | { TEST_OP_RMATTR, "rmattr", true }, | |
371 | { TEST_OP_WATCH, "watch", true }, | |
372 | { TEST_OP_COPY_FROM, "copy_from", true }, | |
373 | { TEST_OP_HIT_SET_LIST, "hit_set_list", true }, | |
374 | { TEST_OP_IS_DIRTY, "is_dirty", true }, | |
375 | { TEST_OP_UNDIRTY, "undirty", true }, | |
376 | { TEST_OP_CACHE_FLUSH, "cache_flush", true }, | |
377 | { TEST_OP_CACHE_TRY_FLUSH, "cache_try_flush", true }, | |
378 | { TEST_OP_CACHE_EVICT, "cache_evict", true }, | |
379 | { TEST_OP_APPEND, "append", true }, | |
380 | { TEST_OP_APPEND_EXCL, "append_excl", true }, | |
31f18b77 FG |
381 | { TEST_OP_SET_REDIRECT, "set_redirect", true }, |
382 | { TEST_OP_UNSET_REDIRECT, "unset_redirect", true }, | |
7c673cae FG |
383 | { TEST_OP_READ /* grr */, NULL }, |
384 | }; | |
385 | ||
386 | map<TestOpType, unsigned int> op_weights; | |
387 | string pool_name = "rbd"; | |
388 | bool ec_pool = false; | |
389 | bool no_omap = false; | |
390 | bool no_sparse = false; | |
391 | bool balance_reads = false; | |
31f18b77 | 392 | bool set_redirect = false; |
7c673cae FG |
393 | |
394 | for (int i = 1; i < argc; ++i) { | |
395 | if (strcmp(argv[i], "--max-ops") == 0) | |
396 | ops = atoi(argv[++i]); | |
397 | else if (strcmp(argv[i], "--pool") == 0) | |
398 | pool_name = argv[++i]; | |
399 | else if (strcmp(argv[i], "--max-seconds") == 0) | |
400 | max_seconds = atoi(argv[++i]); | |
401 | else if (strcmp(argv[i], "--objects") == 0) | |
402 | objects = atoi(argv[++i]); | |
403 | else if (strcmp(argv[i], "--max-in-flight") == 0) | |
404 | max_in_flight = atoi(argv[++i]); | |
405 | else if (strcmp(argv[i], "--size") == 0) | |
406 | size = atoi(argv[++i]); | |
407 | else if (strcmp(argv[i], "--min-stride-size") == 0) | |
408 | min_stride_size = atoi(argv[++i]); | |
409 | else if (strcmp(argv[i], "--max-stride-size") == 0) | |
410 | max_stride_size = atoi(argv[++i]); | |
411 | else if (strcmp(argv[i], "--no-omap") == 0) | |
412 | no_omap = true; | |
413 | else if (strcmp(argv[i], "--no-sparse") == 0) | |
414 | no_sparse = true; | |
415 | else if (strcmp(argv[i], "--balance_reads") == 0) | |
416 | balance_reads = true; | |
417 | else if (strcmp(argv[i], "--pool-snaps") == 0) | |
418 | pool_snaps = true; | |
419 | else if (strcmp(argv[i], "--write-fadvise-dontneed") == 0) | |
420 | write_fadvise_dontneed = true; | |
421 | else if (strcmp(argv[i], "--ec-pool") == 0) { | |
422 | if (!op_weights.empty()) { | |
423 | cerr << "--ec-pool must be specified prior to any ops" << std::endl; | |
424 | exit(1); | |
425 | } | |
426 | ec_pool = true; | |
427 | no_omap = true; | |
428 | no_sparse = true; | |
429 | } else if (strcmp(argv[i], "--op") == 0) { | |
430 | i++; | |
431 | if (i == argc) { | |
432 | cerr << "Missing op after --op" << std::endl; | |
433 | return 1; | |
434 | } | |
435 | int j; | |
436 | for (j = 0; op_types[j].name; ++j) { | |
437 | if (strcmp(op_types[j].name, argv[i]) == 0) { | |
438 | break; | |
439 | } | |
440 | } | |
441 | if (!op_types[j].name) { | |
442 | cerr << "unknown op " << argv[i] << std::endl; | |
443 | exit(1); | |
444 | } | |
445 | i++; | |
446 | if (i == argc) { | |
447 | cerr << "Weight unspecified." << std::endl; | |
448 | return 1; | |
449 | } | |
450 | int weight = atoi(argv[i]); | |
451 | if (weight < 0) { | |
452 | cerr << "Weights must be nonnegative." << std::endl; | |
453 | return 1; | |
454 | } else if (weight > 0) { | |
455 | if (ec_pool && !op_types[j].ec_pool_valid) { | |
456 | cerr << "Error: cannot use op type " << op_types[j].name | |
457 | << " with --ec-pool" << std::endl; | |
458 | exit(1); | |
459 | } | |
460 | cout << "adding op weight " << op_types[j].name << " -> " << weight << std::endl; | |
461 | op_weights.insert(pair<TestOpType, unsigned int>(op_types[j].op, weight)); | |
462 | } | |
31f18b77 FG |
463 | } else if (strcmp(argv[i], "--set_redirect") == 0) { |
464 | set_redirect = true; | |
7c673cae FG |
465 | } else { |
466 | cerr << "unknown arg " << argv[i] << std::endl; | |
7c673cae FG |
467 | exit(1); |
468 | } | |
469 | } | |
470 | ||
471 | if (op_weights.empty()) { | |
472 | cerr << "No operations specified" << std::endl; | |
7c673cae FG |
473 | exit(1); |
474 | } | |
475 | ||
476 | if (min_stride_size < 0) | |
477 | min_stride_size = size / 10; | |
478 | if (max_stride_size < 0) | |
479 | max_stride_size = size / 5; | |
480 | ||
481 | cout << pretty_version_to_str() << std::endl; | |
482 | cout << "Configuration:" << std::endl | |
483 | << "\tNumber of operations: " << ops << std::endl | |
484 | << "\tNumber of objects: " << objects << std::endl | |
485 | << "\tMax in flight operations: " << max_in_flight << std::endl | |
486 | << "\tObject size (in bytes): " << size << std::endl | |
487 | << "\tWrite stride min: " << min_stride_size << std::endl | |
488 | << "\tWrite stride max: " << max_stride_size << std::endl; | |
489 | ||
c07f9fc5 FG |
490 | if (min_stride_size >= max_stride_size) { |
491 | cerr << "Error: max_stride_size must be more than min_stride_size" | |
7c673cae FG |
492 | << std::endl; |
493 | return 1; | |
494 | } | |
495 | ||
496 | if (min_stride_size > size || max_stride_size > size) { | |
497 | cerr << "Error: min_stride_size and max_stride_size must be " | |
498 | << "smaller than object size" << std::endl; | |
499 | return 1; | |
500 | } | |
501 | ||
502 | if (max_in_flight * 2 > objects) { | |
503 | cerr << "Error: max_in_flight must be <= than the number of objects / 2" | |
504 | << std::endl; | |
505 | return 1; | |
506 | } | |
507 | ||
508 | char *id = getenv("CEPH_CLIENT_ID"); | |
509 | RadosTestContext context( | |
510 | pool_name, | |
511 | max_in_flight, | |
512 | size, | |
513 | min_stride_size, | |
514 | max_stride_size, | |
515 | no_omap, | |
516 | no_sparse, | |
517 | pool_snaps, | |
518 | write_fadvise_dontneed, | |
519 | id); | |
520 | ||
521 | TestOpStat stats; | |
522 | WeightedTestGenerator gen = WeightedTestGenerator( | |
523 | ops, objects, | |
524 | op_weights, &stats, max_seconds, | |
31f18b77 | 525 | ec_pool, balance_reads, set_redirect); |
7c673cae FG |
526 | int r = context.init(); |
527 | if (r < 0) { | |
528 | cerr << "Error initializing rados test context: " | |
529 | << cpp_strerror(r) << std::endl; | |
530 | exit(1); | |
531 | } | |
532 | context.loop(&gen); | |
533 | ||
534 | context.shutdown(); | |
535 | cerr << context.errors << " errors." << std::endl; | |
536 | cerr << stats << std::endl; | |
537 | return 0; | |
538 | } |