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bcachefs: Add a perf test for multiple updates per commit

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Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2021-04-14 12:10:17 -04:00 committed by Kent Overstreet
parent e949fbbba0
commit 4aac975b6c
1 changed files with 37 additions and 0 deletions
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37
fs/bcachefs/tests.c
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@ -497,6 +497,42 @@ static int rand_insert(struct bch_fs *c, u64 nr)
return ret;
}
static int rand_insert_multi(struct bch_fs *c, u64 nr)
{
struct btree_trans trans;
struct bkey_i_cookie k[8];
int ret = 0;
unsigned j;
u64 i;
bch2_trans_init(&trans, c, 0, 0);
for (i = 0; i < nr; i += ARRAY_SIZE(k)) {
for (j = 0; j < ARRAY_SIZE(k); j++) {
bkey_cookie_init(&k[j].k_i);
k[j].k.p.offset = test_rand();
k[j].k.p.snapshot = U32_MAX;
}
ret = __bch2_trans_do(&trans, NULL, NULL, 0,
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[0].k_i) ?:
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[1].k_i) ?:
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[2].k_i) ?:
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[3].k_i) ?:
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[4].k_i) ?:
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[5].k_i) ?:
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[6].k_i) ?:
__bch2_btree_insert(&trans, BTREE_ID_xattrs, &k[7].k_i));
if (ret) {
bch_err(c, "error in rand_insert_multi: %i", ret);
break;
}
}
bch2_trans_exit(&trans);
return ret;
}
static int rand_lookup(struct bch_fs *c, u64 nr)
{
struct btree_trans trans;
@ -765,6 +801,7 @@ int bch2_btree_perf_test(struct bch_fs *c, const char *testname,
if (!strcmp(testname, #_test)) j.fn = _test
perf_test(rand_insert);
perf_test(rand_insert_multi);
perf_test(rand_lookup);
perf_test(rand_mixed);
perf_test(rand_delete);