rculfhash tests: add long hash chains tests

[urcu.git] / tests / test_urcu_hash.c

diff --git a/tests/test_urcu_hash.c b/tests/test_urcu_hash.c
index be632ee70a178e7573a47fffa835bfd5a23d06e0..accf3c1ab1ff76a0e37b876da268ba690122e916 100644 (file)
--- a/tests/test_urcu_hash.c
+++ b/tests/test_urcu_hash.c
@@ -25,6 +25,7 @@
 
 enum test_hash {
        TEST_HASH_RW,
+       TEST_HASH_UNIQUE,
 };
 
 struct test_hash_cb {
@@ -44,6 +45,14 @@ struct test_hash_cb test_hash_cb[] = {
                test_hash_rw_thr_writer,
                test_hash_rw_populate_hash,
        },
+       [TEST_HASH_UNIQUE] = {
+               test_hash_unique_sigusr1_handler,
+               test_hash_unique_sigusr2_handler,
+               test_hash_unique_thr_reader,
+               test_hash_unique_thr_writer,
+               test_hash_unique_populate_hash,
+       },
+
 };
 
 static enum test_hash test_choice = TEST_HASH_RW;
@@ -105,6 +114,7 @@ unsigned long init_pool_size = DEFAULT_RAND_POOL,
        lookup_pool_size = DEFAULT_RAND_POOL,
        write_pool_size = DEFAULT_RAND_POOL;
 int validate_lookup;
+unsigned long nr_hash_chains;  /* 0: normal table, other: number of hash chains */
 
 int count_pipe[2];
 
@@ -280,6 +290,8 @@ printf("        [not -u nor -s] Add entries (supports redundant keys).\n");
        printf("        [-N size] Write pool size.\n");
        printf("        [-O size] Init pool size.\n");
        printf("        [-V] Validate lookups of init values (use with filled init pool, same lookup range, with different write range).\n");
+       printf("        [-U] Uniqueness test.\n");
+       printf("        [-C] Number of hash chains.\n");
        printf("\n\n");
 }
 
@@ -443,7 +455,12 @@ int main(int argc, char **argv)
                case 'V':
                        validate_lookup = 1;
                        break;
-
+               case 'U':
+                       test_choice = TEST_HASH_UNIQUE;
+                       break;
+               case 'C':
+                       nr_hash_chains = atol(argv[++i]);
+                       break;
                }
        }
 
@@ -516,6 +533,8 @@ int main(int argc, char **argv)
                lookup_pool_offset, lookup_pool_size);
        printf_verbose("Update pool size offset %lu size %lu.\n",
                write_pool_offset, write_pool_size);
+       printf_verbose("Number of hash chains: %lu.\n",
+               nr_hash_chains);
        printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
                        "main", pthread_self(), (unsigned long)gettid());