sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-01-22 22:04:08 +03:00
Code

added some more speed tests to tdbtool

Browse Source 
This adds 3 simple speed tests to tdbtool, for transaction store,
store and fetch.

On my laptop this shows transactions costing about 10ms
This commit is contained in:
Andrew Tridgell 2009-05-26 09:24:37 +10:00
parent b335618d17
commit e15027155d
1 changed files with 59 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
lib/tdb/tools/tdbtool.c
View File

@ -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)