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authorAndrew Tridgell <tridge@samba.org>2009-05-26 09:24:37 +1000
committerAndrew Tridgell <tridge@samba.org>2009-05-26 09:24:37 +1000
commite15027155d3d880abde83124e252b3dd10a9aae4 (patch)
tree9eaf2c03e27f588a0d0fccadd9819b3b5e87ce65 /lib/tdb/tools
parentb335618d1743599588902cfd2be4ae37150b239d (diff)
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added some more speed tests to tdbtool
This adds 3 simple speed tests to tdbtool, for transaction store, store and fetch. On my laptop this shows transactions costing about 10ms
Diffstat (limited to 'lib/tdb/tools')
-rw-r--r--lib/tdb/tools/tdbtool.c65
1 files changed, 59 insertions, 6 deletions
diff --git a/lib/tdb/tools/tdbtool.c b/lib/tdb/tools/tdbtool.c
index b4ec095a39..3220e47b13 100644
--- a/lib/tdb/tools/tdbtool.c
+++ b/lib/tdb/tools/tdbtool.c
@@ -392,15 +392,68 @@ static void speed_tdb(const char *tlimit)
{
unsigned timelimit = tlimit?atoi(tlimit):0;
double t;
- int ops=0;
- if (timelimit == 0) timelimit = 10;
+ int ops;
+ if (timelimit == 0) timelimit = 5;
+
+ ops = 0;
+ printf("Testing store speed for %u seconds\n", timelimit);
+ _start_timer();
+ do {
+ long int r = random();
+ TDB_DATA key, dbuf;
+ key.dptr = "store test";
+ key.dsize = strlen(key.dptr);
+ dbuf.dptr = (unsigned char *)&r;
+ dbuf.dsize = sizeof(r);
+ tdb_store(tdb, key, dbuf, TDB_REPLACE);
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
+
+ ops = 0;
+ printf("Testing fetch speed for %u seconds\n", timelimit);
+ _start_timer();
+ do {
+ long int r = random();
+ TDB_DATA key, dbuf;
+ key.dptr = "store test";
+ key.dsize = strlen(key.dptr);
+ dbuf.dptr = (unsigned char *)&r;
+ dbuf.dsize = sizeof(r);
+ tdb_fetch(tdb, key);
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
+
+ ops = 0;
+ printf("Testing transaction speed for %u seconds\n", timelimit);
+ _start_timer();
+ do {
+ long int r = random();
+ TDB_DATA key, dbuf;
+ key.dptr = "transaction test";
+ key.dsize = strlen(key.dptr);
+ dbuf.dptr = (unsigned char *)&r;
+ dbuf.dsize = sizeof(r);
+ tdb_transaction_start(tdb);
+ tdb_store(tdb, key, dbuf, TDB_REPLACE);
+ tdb_transaction_commit(tdb);
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
+
+ ops = 0;
printf("Testing traverse speed for %u seconds\n", timelimit);
_start_timer();
- while ((t=_end_timer()) < timelimit) {
+ do {
tdb_traverse(tdb, traverse_fn, NULL);
- printf("%10.3f ops/sec\r", (++ops)/t);
- }
- printf("\n");
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
}
static void toggle_mmap(void)