1 /* Simple speed test for TDB */
13 #include <ccan/tdb2/tdb2.h>
15 /* Nanoseconds per operation */
16 static size_t normalize(const struct timeval *start,
17 const struct timeval *stop,
22 timersub(stop, start, &diff);
24 /* Floating point is more accurate here. */
25 return (double)(diff.tv_sec * 1000000 + diff.tv_usec)
29 static size_t file_size(void)
33 if (stat("/tmp/speed.tdb", &st) != 0)
38 static int count_record(struct tdb_context *tdb,
39 TDB_DATA key, TDB_DATA data, void *p)
42 *total += *(int *)data.dptr;
46 static void dump_and_clear_stats(struct tdb_attribute_stats *stats)
48 printf("allocs = %llu\n",
49 (unsigned long long)stats->allocs);
50 printf(" alloc_subhash = %llu\n",
51 (unsigned long long)stats->alloc_subhash);
52 printf(" alloc_chain = %llu\n",
53 (unsigned long long)stats->alloc_chain);
54 printf(" alloc_bucket_exact = %llu\n",
55 (unsigned long long)stats->alloc_bucket_exact);
56 printf(" alloc_bucket_max = %llu\n",
57 (unsigned long long)stats->alloc_bucket_max);
58 printf(" alloc_leftover = %llu\n",
59 (unsigned long long)stats->alloc_leftover);
60 printf(" alloc_coalesce_tried = %llu\n",
61 (unsigned long long)stats->alloc_coalesce_tried);
62 printf(" alloc_coalesce_lockfail = %llu\n",
63 (unsigned long long)stats->alloc_coalesce_lockfail);
64 printf(" alloc_coalesce_race = %llu\n",
65 (unsigned long long)stats->alloc_coalesce_race);
66 printf(" alloc_coalesce_succeeded = %llu\n",
67 (unsigned long long)stats->alloc_coalesce_succeeded);
68 printf(" alloc_coalesce_num_merged = %llu\n",
69 (unsigned long long)stats->alloc_coalesce_num_merged);
70 printf("compares = %llu\n",
71 (unsigned long long)stats->compares);
72 printf(" compare_wrong_bucket = %llu\n",
73 (unsigned long long)stats->compare_wrong_bucket);
74 printf(" compare_wrong_offsetbits = %llu\n",
75 (unsigned long long)stats->compare_wrong_offsetbits);
76 printf(" compare_wrong_keylen = %llu\n",
77 (unsigned long long)stats->compare_wrong_keylen);
78 printf(" compare_wrong_rechash = %llu\n",
79 (unsigned long long)stats->compare_wrong_rechash);
80 printf(" compare_wrong_keycmp = %llu\n",
81 (unsigned long long)stats->compare_wrong_keycmp);
82 printf("expands = %llu\n",
83 (unsigned long long)stats->expands);
84 printf("frees = %llu\n",
85 (unsigned long long)stats->frees);
86 printf("locks = %llu\n",
87 (unsigned long long)stats->locks);
88 printf(" lock_lowlevel = %llu\n",
89 (unsigned long long)stats->lock_lowlevel);
90 printf(" lock_nonblock = %llu\n",
91 (unsigned long long)stats->lock_nonblock);
94 memset(&stats->allocs, 0, (char *)(stats+1) - (char *)&stats->allocs);
97 static void tdb_log(struct tdb_context *tdb, enum tdb_log_level level,
98 const char *message, void *data)
100 fputs(message, stderr);
103 int main(int argc, char *argv[])
105 unsigned int i, j, num = 1000, stage = 0, stopat = -1;
106 int flags = TDB_DEFAULT;
107 bool transaction = false, summary = false;
109 struct tdb_context *tdb;
110 struct timeval start, stop;
111 union tdb_attribute seed, stats, log;
112 enum TDB_ERROR ecode;
114 /* Try to keep benchmarks even. */
115 seed.base.attr = TDB_ATTRIBUTE_SEED;
116 seed.base.next = NULL;
119 log.base.attr = TDB_ATTRIBUTE_LOG;
120 log.base.next = &seed;
121 log.log.fn = tdb_log;
123 memset(&stats, 0, sizeof(stats));
124 stats.base.attr = TDB_ATTRIBUTE_STATS;
125 stats.base.next = NULL;
126 stats.stats.size = sizeof(stats);
128 if (argv[1] && strcmp(argv[1], "--internal") == 0) {
129 flags = TDB_INTERNAL;
133 if (argv[1] && strcmp(argv[1], "--transaction") == 0) {
138 if (argv[1] && strcmp(argv[1], "--no-sync") == 0) {
143 if (argv[1] && strcmp(argv[1], "--summary") == 0) {
148 if (argv[1] && strcmp(argv[1], "--stats") == 0) {
149 seed.base.next = &stats;
154 tdb = tdb_open("/tmp/speed.tdb", flags, O_RDWR|O_CREAT|O_TRUNC,
157 err(1, "Opening /tmp/speed.tdb");
159 key.dptr = (void *)&i;
160 key.dsize = sizeof(i);
170 stopat = atoi(argv[1]);
175 if (transaction && (ecode = tdb_transaction_start(tdb)))
176 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
178 /* Add 1000 records. */
179 printf("Adding %u records: ", num); fflush(stdout);
180 gettimeofday(&start, NULL);
181 for (i = 0; i < num; i++)
182 if ((ecode = tdb_store(tdb, key, data, TDB_INSERT)) != 0)
183 errx(1, "Inserting key %u in tdb: %s",
184 i, tdb_errorstr(ecode));
185 gettimeofday(&stop, NULL);
186 if (transaction && (ecode = tdb_transaction_commit(tdb)))
187 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
188 printf(" %zu ns (%zu bytes)\n",
189 normalize(&start, &stop, num), file_size());
193 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
194 printf("%s\n", sumstr);
198 dump_and_clear_stats(&stats.stats);
199 if (++stage == stopat)
202 if (transaction && (ecode = tdb_transaction_start(tdb)))
203 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
205 /* Finding 1000 records. */
206 printf("Finding %u records: ", num); fflush(stdout);
207 gettimeofday(&start, NULL);
208 for (i = 0; i < num; i++) {
209 struct tdb_data dbuf;
210 if ((ecode = tdb_fetch(tdb, key, &dbuf)) != TDB_SUCCESS
211 || *(int *)dbuf.dptr != i) {
212 errx(1, "Fetching key %u in tdb gave %u",
213 i, ecode ? ecode : *(int *)dbuf.dptr);
216 gettimeofday(&stop, NULL);
217 if (transaction && (ecode = tdb_transaction_commit(tdb)))
218 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
219 printf(" %zu ns (%zu bytes)\n",
220 normalize(&start, &stop, num), file_size());
223 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
224 printf("%s\n", sumstr);
228 dump_and_clear_stats(&stats.stats);
229 if (++stage == stopat)
232 if (transaction && (ecode = tdb_transaction_start(tdb)))
233 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
235 /* Missing 1000 records. */
236 printf("Missing %u records: ", num); fflush(stdout);
237 gettimeofday(&start, NULL);
238 for (i = num; i < num*2; i++) {
239 struct tdb_data dbuf;
240 ecode = tdb_fetch(tdb, key, &dbuf);
241 if (ecode != TDB_ERR_NOEXIST)
242 errx(1, "Fetching key %u in tdb gave %s",
243 i, tdb_errorstr(ecode));
245 gettimeofday(&stop, NULL);
246 if (transaction && (ecode = tdb_transaction_commit(tdb)))
247 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
248 printf(" %zu ns (%zu bytes)\n",
249 normalize(&start, &stop, num), file_size());
252 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
253 printf("%s\n", sumstr);
257 dump_and_clear_stats(&stats.stats);
258 if (++stage == stopat)
261 if (transaction && (ecode = tdb_transaction_start(tdb)))
262 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
264 /* Traverse 1000 records. */
265 printf("Traversing %u records: ", num); fflush(stdout);
267 gettimeofday(&start, NULL);
268 if (tdb_traverse(tdb, count_record, &i) != num)
269 errx(1, "Traverse returned wrong number of records");
270 if (i != (num - 1) * (num / 2))
271 errx(1, "Traverse tallied to %u", i);
272 gettimeofday(&stop, NULL);
273 if (transaction && (ecode = tdb_transaction_commit(tdb)))
274 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
275 printf(" %zu ns (%zu bytes)\n",
276 normalize(&start, &stop, num), file_size());
279 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
280 printf("%s\n", sumstr);
284 dump_and_clear_stats(&stats.stats);
285 if (++stage == stopat)
288 if (transaction && (ecode = tdb_transaction_start(tdb)))
289 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
291 /* Delete 1000 records (not in order). */
292 printf("Deleting %u records: ", num); fflush(stdout);
293 gettimeofday(&start, NULL);
294 for (j = 0; j < num; j++) {
295 i = (j + 100003) % num;
296 if ((ecode = tdb_delete(tdb, key)) != TDB_SUCCESS)
297 errx(1, "Deleting key %u in tdb: %s",
298 i, tdb_errorstr(ecode));
300 gettimeofday(&stop, NULL);
301 if (transaction && (ecode = tdb_transaction_commit(tdb)))
302 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
303 printf(" %zu ns (%zu bytes)\n",
304 normalize(&start, &stop, num), file_size());
307 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
308 printf("%s\n", sumstr);
312 dump_and_clear_stats(&stats.stats);
313 if (++stage == stopat)
316 if (transaction && (ecode = tdb_transaction_start(tdb)))
317 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
319 /* Re-add 1000 records (not in order). */
320 printf("Re-adding %u records: ", num); fflush(stdout);
321 gettimeofday(&start, NULL);
322 for (j = 0; j < num; j++) {
323 i = (j + 100003) % num;
324 if ((ecode = tdb_store(tdb, key, data, TDB_INSERT)) != 0)
325 errx(1, "Inserting key %u in tdb: %s",
326 i, tdb_errorstr(ecode));
328 gettimeofday(&stop, NULL);
329 if (transaction && (ecode = tdb_transaction_commit(tdb)))
330 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
331 printf(" %zu ns (%zu bytes)\n",
332 normalize(&start, &stop, num), file_size());
335 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
336 printf("%s\n", sumstr);
340 dump_and_clear_stats(&stats.stats);
341 if (++stage == stopat)
344 if (transaction && (ecode = tdb_transaction_start(tdb)))
345 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
346 /* Append 1000 records. */
347 printf("Appending %u records: ", num); fflush(stdout);
348 gettimeofday(&start, NULL);
349 for (i = 0; i < num; i++)
350 if ((ecode = tdb_append(tdb, key, data)) != TDB_SUCCESS)
351 errx(1, "Appending key %u in tdb: %s",
352 i, tdb_errorstr(ecode));
353 gettimeofday(&stop, NULL);
354 if (transaction && (ecode = tdb_transaction_commit(tdb)))
355 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
356 printf(" %zu ns (%zu bytes)\n",
357 normalize(&start, &stop, num), file_size());
360 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
361 printf("%s\n", sumstr);
364 if (++stage == stopat)
367 if (transaction && (ecode = tdb_transaction_start(tdb)))
368 errx(1, "starting transaction: %s", tdb_errorstr(ecode));
370 /* Churn 1000 records: not in order! */
371 printf("Churning %u records: ", num); fflush(stdout);
372 gettimeofday(&start, NULL);
373 for (j = 0; j < num; j++) {
374 i = (j + 1000019) % num;
375 if ((ecode = tdb_delete(tdb, key)) != TDB_SUCCESS)
376 errx(1, "Deleting key %u in tdb: %s",
377 i, tdb_errorstr(ecode));
379 if ((ecode = tdb_store(tdb, key, data, TDB_INSERT)) != 0)
380 errx(1, "Inserting key %u in tdb: %s",
381 i, tdb_errorstr(ecode));
383 gettimeofday(&stop, NULL);
384 if (transaction && (ecode = tdb_transaction_commit(tdb)))
385 errx(1, "committing transaction: %s", tdb_errorstr(ecode));
386 printf(" %zu ns (%zu bytes)\n",
387 normalize(&start, &stop, num), file_size());
391 tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr);
392 printf("%s\n", sumstr);
396 dump_and_clear_stats(&stats.stats);
397 if (++stage == stopat)