* Lai Jiangshan ([email protected]) wrote:
> Signed-off-by: Lai Jiangshan <[email protected]>
> ---
> tests/test_urcu_hash.c | 18 ++++++++++++++++++
> 1 files changed, 18 insertions(+), 0 deletions(-)
>
> diff --git a/tests/test_urcu_hash.c b/tests/test_urcu_hash.c
> index eb42522..3730c2b 100644
> --- a/tests/test_urcu_hash.c
> +++ b/tests/test_urcu_hash.c
> @@ -111,6 +111,7 @@ struct test_data {
> struct lfht_test_node {
> struct cds_lfht_node node;
> unsigned long hash;
> + unsigned long orig_hash;
Is it just me or orig_hash is never populated ?
Thanks,
Mathieu
> /* cache-cold for iteration */
> struct rcu_head head;
> };
> @@ -142,6 +143,7 @@ static unsigned long init_populate;
> static int opt_auto_resize;
> static int add_only, add_unique, add_replace;
> static int opt_test_bucket_conflict;
> +static int opt_duplicated;
>
> static int count_pipe[2];
>
> @@ -395,6 +397,19 @@ void lfht_test_node_init(struct lfht_test_node *node)
>
> cds_lfht_node_init(&node->node);
>
> + /* 25% duplicated hash value */
> + if (opt_duplicated && test_rand_get_bits(2) == 0) {
> + struct cds_lfht_iter iter;
> +
> + if (!cds_lfht_lookup(test_ht, test_rand_get(),
> + lookup_first, NULL, &iter))
> + cds_lfht_next(test_ht, &iter);
> + if (iter.node)
> + hash = to_test_node(iter.node)->orig_hash;
> + }
> +
> + node->orig_hash = hash;
> +
> if (opt_test_bucket_conflict) {
> #if (CAA_BITS_PER_LONG == 32)
> int hash_bits= test_rand_get_bits(5);
> @@ -690,6 +705,7 @@ void show_usage(int argc, char **argv)
> printf(" [-k nr_nodes] Number of nodes to insert initially.\n");
> printf(" [-A] Automatically resize hash table.\n");
> printf(" [-C] Use some hash value Confilict with buckets.\n");
> + printf(" [-D] Test Duplicated hash values and nodes.\n");
> printf("\n\n");
> }
>
> @@ -810,6 +826,8 @@ int main(int argc, char **argv)
> break;
> case 'C':
> opt_test_bucket_conflict = 1;
> + case 'D':
> + opt_duplicated = 1;
> break;
>
> }
> --
> 1.7.4.4
>
--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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