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

diff --git a/lib/tdb/tools/tdbtool.c b/lib/tdb/tools/tdbtool.c
index b4ec095a394fb00e4f5e9fecb4e19f32f8ed98b2..3220e47b1388c7c1be46773631447ee42c6fe931 100644 (file)
--- 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)