From d24ddb0350ddb402bd9d219e129439cdbd77ecfe Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Mon, 20 Jun 2011 18:40:33 +0930 Subject: tdb2: add lib/tdb2 (from CCAN init-1161-g661d41f) Signed-off-by: Rusty Russell --- lib/tdb2/tools/speed.c | 440 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 440 insertions(+) create mode 100644 lib/tdb2/tools/speed.c (limited to 'lib/tdb2/tools/speed.c') diff --git a/lib/tdb2/tools/speed.c b/lib/tdb2/tools/speed.c new file mode 100644 index 0000000000..3222465a71 --- /dev/null +++ b/lib/tdb2/tools/speed.c @@ -0,0 +1,440 @@ +/* Simple speed test for TDB */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "tdb2.h" + +/* Nanoseconds per operation */ +static size_t normalize(const struct timeval *start, + const struct timeval *stop, + unsigned int num) +{ + struct timeval diff; + + timersub(stop, start, &diff); + + /* Floating point is more accurate here. */ + return (double)(diff.tv_sec * 1000000 + diff.tv_usec) + / num * 1000; +} + +static size_t file_size(void) +{ + struct stat st; + + if (stat("/tmp/speed.tdb", &st) != 0) + return -1; + return st.st_size; +} + +static int count_record(struct tdb_context *tdb, + TDB_DATA key, TDB_DATA data, void *p) +{ + int *total = p; + *total += *(int *)data.dptr; + return 0; +} + +static void dump_and_clear_stats(struct tdb_context **tdb, + int flags, + union tdb_attribute *attr) +{ + union tdb_attribute stats; + enum TDB_ERROR ecode; + + stats.base.attr = TDB_ATTRIBUTE_STATS; + stats.stats.size = sizeof(stats.stats); + ecode = tdb_get_attribute(*tdb, &stats); + if (ecode != TDB_SUCCESS) + errx(1, "Getting stats: %s", tdb_errorstr(ecode)); + + printf("allocs = %llu\n", + (unsigned long long)stats.stats.allocs); + printf(" alloc_subhash = %llu\n", + (unsigned long long)stats.stats.alloc_subhash); + printf(" alloc_chain = %llu\n", + (unsigned long long)stats.stats.alloc_chain); + printf(" alloc_bucket_exact = %llu\n", + (unsigned long long)stats.stats.alloc_bucket_exact); + printf(" alloc_bucket_max = %llu\n", + (unsigned long long)stats.stats.alloc_bucket_max); + printf(" alloc_leftover = %llu\n", + (unsigned long long)stats.stats.alloc_leftover); + printf(" alloc_coalesce_tried = %llu\n", + (unsigned long long)stats.stats.alloc_coalesce_tried); + printf(" alloc_coalesce_iterate_clash = %llu\n", + (unsigned long long)stats.stats.alloc_coalesce_iterate_clash); + printf(" alloc_coalesce_lockfail = %llu\n", + (unsigned long long)stats.stats.alloc_coalesce_lockfail); + printf(" alloc_coalesce_race = %llu\n", + (unsigned long long)stats.stats.alloc_coalesce_race); + printf(" alloc_coalesce_succeeded = %llu\n", + (unsigned long long)stats.stats.alloc_coalesce_succeeded); + printf(" alloc_coalesce_num_merged = %llu\n", + (unsigned long long)stats.stats.alloc_coalesce_num_merged); + printf("compares = %llu\n", + (unsigned long long)stats.stats.compares); + printf(" compare_wrong_bucket = %llu\n", + (unsigned long long)stats.stats.compare_wrong_bucket); + printf(" compare_wrong_offsetbits = %llu\n", + (unsigned long long)stats.stats.compare_wrong_offsetbits); + printf(" compare_wrong_keylen = %llu\n", + (unsigned long long)stats.stats.compare_wrong_keylen); + printf(" compare_wrong_rechash = %llu\n", + (unsigned long long)stats.stats.compare_wrong_rechash); + printf(" compare_wrong_keycmp = %llu\n", + (unsigned long long)stats.stats.compare_wrong_keycmp); + printf("transactions = %llu\n", + (unsigned long long)stats.stats.transactions); + printf(" transaction_cancel = %llu\n", + (unsigned long long)stats.stats.transaction_cancel); + printf(" transaction_nest = %llu\n", + (unsigned long long)stats.stats.transaction_nest); + printf(" transaction_expand_file = %llu\n", + (unsigned long long)stats.stats.transaction_expand_file); + printf(" transaction_read_direct = %llu\n", + (unsigned long long)stats.stats.transaction_read_direct); + printf(" transaction_read_direct_fail = %llu\n", + (unsigned long long)stats.stats.transaction_read_direct_fail); + printf(" transaction_write_direct = %llu\n", + (unsigned long long)stats.stats.transaction_write_direct); + printf(" transaction_write_direct_fail = %llu\n", + (unsigned long long)stats.stats.transaction_write_direct_fail); + printf("expands = %llu\n", + (unsigned long long)stats.stats.expands); + printf("frees = %llu\n", + (unsigned long long)stats.stats.frees); + printf("locks = %llu\n", + (unsigned long long)stats.stats.locks); + printf(" lock_lowlevel = %llu\n", + (unsigned long long)stats.stats.lock_lowlevel); + printf(" lock_nonblock = %llu\n", + (unsigned long long)stats.stats.lock_nonblock); + printf(" lock_nonblock_fail = %llu\n", + (unsigned long long)stats.stats.lock_nonblock_fail); + + /* Now clear. */ + tdb_close(*tdb); + *tdb = tdb_open("/tmp/speed.tdb", flags, O_RDWR, 0, attr); +} + +static void tdb_log(struct tdb_context *tdb, enum tdb_log_level level, + const char *message, void *data) +{ + fputs(message, stderr); + putc('\n', stderr); +} + +int main(int argc, char *argv[]) +{ + unsigned int i, j, num = 1000, stage = 0, stopat = -1; + int flags = TDB_DEFAULT; + bool transaction = false, summary = false; + TDB_DATA key, data; + struct tdb_context *tdb; + struct timeval start, stop; + union tdb_attribute seed, log; + bool do_stats = false; + enum TDB_ERROR ecode; + + /* Try to keep benchmarks even. */ + seed.base.attr = TDB_ATTRIBUTE_SEED; + seed.base.next = NULL; + seed.seed.seed = 0; + + log.base.attr = TDB_ATTRIBUTE_LOG; + log.base.next = &seed; + log.log.fn = tdb_log; + + if (argv[1] && strcmp(argv[1], "--internal") == 0) { + flags = TDB_INTERNAL; + argc--; + argv++; + } + if (argv[1] && strcmp(argv[1], "--transaction") == 0) { + transaction = true; + argc--; + argv++; + } + if (argv[1] && strcmp(argv[1], "--no-sync") == 0) { + flags |= TDB_NOSYNC; + argc--; + argv++; + } + if (argv[1] && strcmp(argv[1], "--summary") == 0) { + summary = true; + argc--; + argv++; + } + if (argv[1] && strcmp(argv[1], "--stats") == 0) { + do_stats = true; + argc--; + argv++; + } + + tdb = tdb_open("/tmp/speed.tdb", flags, O_RDWR|O_CREAT|O_TRUNC, + 0600, &log); + if (!tdb) + err(1, "Opening /tmp/speed.tdb"); + + key.dptr = (void *)&i; + key.dsize = sizeof(i); + data = key; + + if (argv[1]) { + num = atoi(argv[1]); + argv++; + argc--; + } + + if (argv[1]) { + stopat = atoi(argv[1]); + argv++; + argc--; + } + + /* Add 1000 records. */ + printf("Adding %u records: ", num); fflush(stdout); + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + gettimeofday(&start, NULL); + for (i = 0; i < num; i++) + if ((ecode = tdb_store(tdb, key, data, TDB_INSERT)) != 0) + errx(1, "Inserting key %u in tdb: %s", + i, tdb_errorstr(ecode)); + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (do_stats) + dump_and_clear_stats(&tdb, flags, &log); + + if (++stage == stopat) + exit(0); + + /* Finding 1000 records. */ + printf("Finding %u records: ", num); fflush(stdout); + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + gettimeofday(&start, NULL); + for (i = 0; i < num; i++) { + struct tdb_data dbuf; + if ((ecode = tdb_fetch(tdb, key, &dbuf)) != TDB_SUCCESS + || *(int *)dbuf.dptr != i) { + errx(1, "Fetching key %u in tdb gave %u", + i, ecode ? ecode : *(int *)dbuf.dptr); + } + } + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (do_stats) + dump_and_clear_stats(&tdb, flags, &log); + if (++stage == stopat) + exit(0); + + /* Missing 1000 records. */ + printf("Missing %u records: ", num); fflush(stdout); + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + gettimeofday(&start, NULL); + for (i = num; i < num*2; i++) { + struct tdb_data dbuf; + ecode = tdb_fetch(tdb, key, &dbuf); + if (ecode != TDB_ERR_NOEXIST) + errx(1, "Fetching key %u in tdb gave %s", + i, tdb_errorstr(ecode)); + } + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (do_stats) + dump_and_clear_stats(&tdb, flags, &log); + if (++stage == stopat) + exit(0); + + /* Traverse 1000 records. */ + printf("Traversing %u records: ", num); fflush(stdout); + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + i = 0; + gettimeofday(&start, NULL); + if (tdb_traverse(tdb, count_record, &i) != num) + errx(1, "Traverse returned wrong number of records"); + if (i != (num - 1) * (num / 2)) + errx(1, "Traverse tallied to %u", i); + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (do_stats) + dump_and_clear_stats(&tdb, flags, &log); + if (++stage == stopat) + exit(0); + + /* Delete 1000 records (not in order). */ + printf("Deleting %u records: ", num); fflush(stdout); + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + gettimeofday(&start, NULL); + for (j = 0; j < num; j++) { + i = (j + 100003) % num; + if ((ecode = tdb_delete(tdb, key)) != TDB_SUCCESS) + errx(1, "Deleting key %u in tdb: %s", + i, tdb_errorstr(ecode)); + } + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (do_stats) + dump_and_clear_stats(&tdb, flags, &log); + if (++stage == stopat) + exit(0); + + /* Re-add 1000 records (not in order). */ + printf("Re-adding %u records: ", num); fflush(stdout); + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + gettimeofday(&start, NULL); + for (j = 0; j < num; j++) { + i = (j + 100003) % num; + if ((ecode = tdb_store(tdb, key, data, TDB_INSERT)) != 0) + errx(1, "Inserting key %u in tdb: %s", + i, tdb_errorstr(ecode)); + } + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (do_stats) + dump_and_clear_stats(&tdb, flags, &log); + if (++stage == stopat) + exit(0); + + /* Append 1000 records. */ + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + printf("Appending %u records: ", num); fflush(stdout); + gettimeofday(&start, NULL); + for (i = 0; i < num; i++) + if ((ecode = tdb_append(tdb, key, data)) != TDB_SUCCESS) + errx(1, "Appending key %u in tdb: %s", + i, tdb_errorstr(ecode)); + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (++stage == stopat) + exit(0); + + /* Churn 1000 records: not in order! */ + if (transaction && (ecode = tdb_transaction_start(tdb))) + errx(1, "starting transaction: %s", tdb_errorstr(ecode)); + printf("Churning %u records: ", num); fflush(stdout); + gettimeofday(&start, NULL); + for (j = 0; j < num; j++) { + i = (j + 1000019) % num; + if ((ecode = tdb_delete(tdb, key)) != TDB_SUCCESS) + errx(1, "Deleting key %u in tdb: %s", + i, tdb_errorstr(ecode)); + i += num; + if ((ecode = tdb_store(tdb, key, data, TDB_INSERT)) != 0) + errx(1, "Inserting key %u in tdb: %s", + i, tdb_errorstr(ecode)); + } + gettimeofday(&stop, NULL); + if (transaction && (ecode = tdb_transaction_commit(tdb))) + errx(1, "committing transaction: %s", tdb_errorstr(ecode)); + printf(" %zu ns (%zu bytes)\n", + normalize(&start, &stop, num), file_size()); + + if (tdb_check(tdb, NULL, NULL)) + errx(1, "tdb_check failed!"); + if (summary) { + char *sumstr = NULL; + tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &sumstr); + printf("%s\n", sumstr); + free(sumstr); + } + if (do_stats) + dump_and_clear_stats(&tdb, flags, &log); + if (++stage == stopat) + exit(0); + + return 0; +} -- cgit