--- /dev/null
--- /dev/null
++/*
++ * test_urcu_ja.c
++ *
++ * Userspace RCU library - test program
++ *
++ * Copyright 2009-2012 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License along
++ * with this program; if not, write to the Free Software Foundation, Inc.,
++ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
++ */
++
++#define _GNU_SOURCE
++#include "test_urcu_ja.h"
++#include <inttypes.h>
++#include <stdint.h>
++
++DEFINE_URCU_TLS(unsigned int, rand_lookup);
++DEFINE_URCU_TLS(unsigned long, nr_add);
++DEFINE_URCU_TLS(unsigned long, nr_addexist);
++DEFINE_URCU_TLS(unsigned long, nr_del);
++DEFINE_URCU_TLS(unsigned long, nr_delnoent);
++DEFINE_URCU_TLS(unsigned long, lookup_fail);
++DEFINE_URCU_TLS(unsigned long, lookup_ok);
++
++struct cds_ja *test_ja;
++
++volatile int test_go, test_stop;
++
++unsigned long wdelay;
++
++unsigned long duration;
++
++/* read-side C.S. duration, in loops */
++unsigned long rduration;
++
++unsigned long init_populate;
++int add_only;
++
++unsigned long init_pool_offset, lookup_pool_offset, write_pool_offset;
++unsigned long init_pool_size = DEFAULT_RAND_POOL,
++ lookup_pool_size = DEFAULT_RAND_POOL,
++ write_pool_size = DEFAULT_RAND_POOL;
++int validate_lookup;
++int sanity_test;
++unsigned int key_bits = 32;
++
++int count_pipe[2];
++
++int verbose_mode;
++
++unsigned int cpu_affinities[NR_CPUS];
++unsigned int next_aff = 0;
++int use_affinity = 0;
++
++pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
++
++DEFINE_URCU_TLS(unsigned long long, nr_writes);
++DEFINE_URCU_TLS(unsigned long long, nr_reads);
++
++unsigned int nr_readers;
++unsigned int nr_writers;
++
++static unsigned int add_ratio = 50;
++static uint64_t key_mul = 1ULL;
++
++static int add_unique, add_replace;
++
++static pthread_mutex_t rcu_copy_mutex = PTHREAD_MUTEX_INITIALIZER;
++
++static int leak_detection;
++static unsigned long test_nodes_allocated, test_nodes_freed;
++
++void set_affinity(void)
++{
++ cpu_set_t mask;
++ int cpu;
++ int ret;
++
++ if (!use_affinity)
++ return;
++
++#if HAVE_SCHED_SETAFFINITY
++ ret = pthread_mutex_lock(&affinity_mutex);
++ if (ret) {
++ perror("Error in pthread mutex lock");
++ exit(-1);
++ }
++ cpu = cpu_affinities[next_aff++];
++ ret = pthread_mutex_unlock(&affinity_mutex);
++ if (ret) {
++ perror("Error in pthread mutex unlock");
++ exit(-1);
++ }
++ CPU_ZERO(&mask);
++ CPU_SET(cpu, &mask);
++#if SCHED_SETAFFINITY_ARGS == 2
++ sched_setaffinity(0, &mask);
++#else
++ sched_setaffinity(0, sizeof(mask), &mask);
++#endif
++#endif /* HAVE_SCHED_SETAFFINITY */
++}
++
++void rcu_copy_mutex_lock(void)
++{
++ int ret;
++ ret = pthread_mutex_lock(&rcu_copy_mutex);
++ if (ret) {
++ perror("Error in pthread mutex lock");
++ exit(-1);
++ }
++}
++
++void rcu_copy_mutex_unlock(void)
++{
++ int ret;
++
++ ret = pthread_mutex_unlock(&rcu_copy_mutex);
++ if (ret) {
++ perror("Error in pthread mutex unlock");
++ exit(-1);
++ }
++}
++
++static
++struct ja_test_node *node_alloc(void)
++{
++ struct ja_test_node *node;
++
++ node = calloc(sizeof(*node), 1);
++ if (leak_detection && node)
++ uatomic_inc(&test_nodes_allocated);
++ return node;
++}
++
++static
++void free_test_node(struct ja_test_node *node)
++{
++ poison_free(node);
++ if (leak_detection)
++ uatomic_inc(&test_nodes_freed);
++}
++
++static
++void free_test_node_cb(struct rcu_head *head)
++{
++ struct ja_test_node *node =
++ caa_container_of(head, struct ja_test_node, head);
++ free_test_node(node);
++}
++
++static
++void rcu_free_test_node(struct ja_test_node *test_node)
++{
++ call_rcu(&test_node->head, free_test_node_cb);
++}
++
++static
++void free_node(struct cds_ja_node *node)
++{
++ struct ja_test_node *test_node = to_test_node(node);
++
++ free_test_node(test_node);
++}
++
++#if 0
++static
++void test_delete_all_nodes(struct cds_lfht *ht)
++{
++ struct cds_lfht_iter iter;
++ struct lfht_test_node *node;
++ unsigned long count = 0;
++
++ cds_lfht_for_each_entry(ht, &iter, node, node) {
++ int ret;
++
++ ret = cds_lfht_del(test_ht, cds_lfht_iter_get_node(&iter));
++ assert(!ret);
++ call_rcu(&node->head, free_node_cb);
++ count++;
++ }
++ printf("deleted %lu nodes.\n", count);
++}
++#endif
++
++void show_usage(int argc, char **argv)
++{
++ printf("Usage : %s nr_readers nr_writers duration (s)\n", argv[0]);
++#ifdef DEBUG_YIELD
++ printf(" [-r] [-w] (yield reader and/or writer)\n");
++#endif
++ printf(" [-d delay] (writer period (us))\n");
++ printf(" [-c duration] (reader C.S. duration (in loops))\n");
++ printf(" [-v] (verbose output)\n");
++ printf(" [-a cpu#] [-a cpu#]... (affinity)\n");
++ printf(" [-u] Add unique keys.\n");
++ printf(" [-s] Replace existing keys.\n");
++printf(" [not -u nor -s] Add entries (supports redundant keys).\n");
++ printf(" [-r ratio] Add ratio (in %% of add+removal).\n");
++ printf(" [-k] Populate init nodes.\n");
++ printf(" [-R offset] Lookup pool offset.\n");
++ printf(" [-S offset] Write pool offset.\n");
++ printf(" [-T offset] Init pool offset.\n");
++ printf(" [-M size] Lookup pool size.\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(" [-t] Do sanity test.\n");
++ printf(" [-B] Key bits for multithread test (default: 32).\n");
++ printf(" [-m factor] Key multiplication factor.\n");
++ printf(" [-l] Memory leak detection.\n");
++ printf("\n\n");
++}
++
++static
++int test_free_all_nodes(struct cds_ja *ja)
++{
++ uint64_t key;
++ struct cds_ja_node *ja_node;
++ int ret = 0;
++
++ rcu_read_lock();
++ cds_ja_for_each_key_rcu(test_ja, key, ja_node) {
++ struct cds_ja_node *tmp_node;
++
++ cds_ja_for_each_duplicate_safe_rcu(ja_node, tmp_node) {
++ ret = cds_ja_del(test_ja, key, ja_node);
++ if (ret) {
++ fprintf(stderr, "Error (%d) removing node %" PRIu64 "\n", ret, key);
++ goto end;
++ }
++ /* Alone using Judy array, OK to free now */
++ free_node(ja_node);
++ }
++ }
++end:
++ rcu_read_unlock();
++ return ret;
++}
++
++static
++int test_8bit_key(void)
++{
++ int ret, i;
++ uint64_t key;
++ uint64_t ka[] = { 5, 17, 100, 222 };
++ uint64_t ka_test_offset = 5;
++ struct cds_ja_node *ja_node;
++
++ /* Test with 8-bit key */
++ test_ja = cds_ja_new(8);
++ if (!test_ja) {
++ printf("Error allocating judy array.\n");
++ return -1;
++ }
++
++ /* Add keys */
++ printf("Test #1: add keys (8-bit).\n");
++ for (key = 0; key < 200; key++) {
++ struct ja_test_node *node = node_alloc();
++
++ ja_test_node_init(node, key);
++ rcu_read_lock();
++ ret = cds_ja_add(test_ja, key, &node->node);
++ rcu_read_unlock();
++ if (ret) {
++ fprintf(stderr, "Error (%d) adding node %" PRIu64 "\n",
++ ret, key);
++ assert(0);
++ }
++ }
++ printf("OK\n");
++
++ printf("Test #2: successful key lookup (8-bit).\n");
++ for (key = 0; key < 200; key++) {
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup node %" PRIu64 "\n", key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++ printf("OK\n");
++ printf("Test #3: unsuccessful key lookup (8-bit).\n");
++ for (key = 200; key < 240; key++) {
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (ja_node) {
++ fprintf(stderr,
++ "Error unexpected lookup node %" PRIu64 "\n",
++ key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++ printf("OK\n");
++ printf("Test #4: remove keys (8-bit).\n");
++ for (key = 0; key < 200; key++) {
++ struct ja_test_node *node;
++
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup node %" PRIu64 "\n", key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ ret = cds_ja_del(test_ja, key, &node->node);
++ if (ret) {
++ fprintf(stderr, "Error (%d) removing node %" PRIu64 "\n", ret, key);
++ assert(0);
++ }
++ rcu_free_test_node(node);
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (ja_node) {
++ fprintf(stderr, "Error lookup %" PRIu64 ": %p (after delete) failed. Node is not expected.\n", key, ja_node);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++ printf("OK\n");
++
++ printf("Test #5: lookup below/above equal (8-bit).\n");
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node = node_alloc();
++
++ key = ka[i];
++ ja_test_node_init(node, key);
++ rcu_read_lock();
++ ret = cds_ja_add(test_ja, key, &node->node);
++ rcu_read_unlock();
++ if (ret) {
++ fprintf(stderr, "Error (%d) adding node %" PRIu64 "\n",
++ ret, key);
++ assert(0);
++ }
++ }
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node;
++ uint64_t result_key;
++
++ key = ka[i] + ka_test_offset;
++ rcu_read_lock();
++ ja_node = cds_ja_lookup_below_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup below equal. Cannot find expected key %" PRIu64" below or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup below equal. Expecting key %" PRIu64 " below or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node;
++ uint64_t result_key;
++
++ key = ka[i] - ka_test_offset;
++ rcu_read_lock();
++ ja_node = cds_ja_lookup_above_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup above equal. Cannot find expected key %" PRIu64" below or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup above equal. Expecting key %" PRIu64 " below or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node;
++ uint64_t result_key;
++
++ key = ka[i]; /* without offset */
++ rcu_read_lock();
++ ja_node = cds_ja_lookup_below_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup below equal. Cannot find expected key %" PRIu64" below or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup below equal. Expecting key %" PRIu64 " below or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++
++ ja_node = cds_ja_lookup_above_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup above equal. Cannot find expected key %" PRIu64" below or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup above equal. Expecting key %" PRIu64 " below or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++
++ printf("OK\n");
++
++ ret = test_free_all_nodes(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error freeing all nodes\n");
++ return -1;
++ }
++
++ ret = cds_ja_destroy(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error destroying judy array\n");
++ return -1;
++ }
++ return 0;
++}
++
++static
++int test_16bit_key(void)
++{
++ int ret, i;
++ uint64_t key;
++ uint64_t ka[] = { 105, 206, 4000, 4111, 59990, 65435 };
++ uint64_t ka_test_offset = 100;
++ struct cds_ja_node *ja_node;
++
++ /* Test with 16-bit key */
++ test_ja = cds_ja_new(16);
++ if (!test_ja) {
++ printf("Error allocating judy array.\n");
++ return -1;
++ }
++
++ /* Add keys */
++ printf("Test #1: add keys (16-bit).\n");
++ for (key = 0; key < 10000; key++) {
++ //for (key = 0; key < 65536; key+=256) {
++ struct ja_test_node *node = node_alloc();
++
++ ja_test_node_init(node, key);
++ rcu_read_lock();
++ ret = cds_ja_add(test_ja, key, &node->node);
++ rcu_read_unlock();
++ if (ret) {
++ fprintf(stderr, "Error (%d) adding node %" PRIu64 "\n",
++ ret, key);
++ assert(0);
++ }
++ }
++ printf("OK\n");
++
++ printf("Test #2: successful key lookup (16-bit).\n");
++ for (key = 0; key < 10000; key++) {
++ //for (key = 0; key < 65536; key+=256) {
++ struct cds_ja_node *ja_node;
++
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup node %" PRIu64 "\n", key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++ printf("OK\n");
++ printf("Test #3: unsuccessful key lookup (16-bit).\n");
++ for (key = 11000; key <= 11002; key++) {
++ struct cds_ja_node *ja_node;
++
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (ja_node) {
++ fprintf(stderr,
++ "Error unexpected lookup node %" PRIu64 "\n",
++ key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++ printf("OK\n");
++ printf("Test #4: remove keys (16-bit).\n");
++ for (key = 0; key < 10000; key++) {
++ //for (key = 0; key < 65536; key+=256) {
++ struct ja_test_node *node;
++
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup node %" PRIu64 "\n", key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ ret = cds_ja_del(test_ja, key, &node->node);
++ if (ret) {
++ fprintf(stderr, "Error (%d) removing node %" PRIu64 "\n", ret, key);
++ assert(0);
++ }
++ rcu_free_test_node(node);
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (ja_node) {
++ fprintf(stderr, "Error lookup %" PRIu64 ": %p (after delete) failed. Node is not expected.\n", key, ja_node);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++ printf("OK\n");
++
++ printf("Test #5: lookup below/above equal (16-bit).\n");
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node = node_alloc();
++
++ key = ka[i];
++ ja_test_node_init(node, key);
++ rcu_read_lock();
++ ret = cds_ja_add(test_ja, key, &node->node);
++ rcu_read_unlock();
++ if (ret) {
++ fprintf(stderr, "Error (%d) adding node %" PRIu64 "\n",
++ ret, key);
++ assert(0);
++ }
++ }
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node;
++ uint64_t result_key;
++
++ key = ka[i] + ka_test_offset;
++ rcu_read_lock();
++ ja_node = cds_ja_lookup_below_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup below equal. Cannot find expected key %" PRIu64" below or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup below equal. Expecting key %" PRIu64 " below or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node;
++ uint64_t result_key;
++
++ key = ka[i] - ka_test_offset;
++ rcu_read_lock();
++ ja_node = cds_ja_lookup_above_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup above equal. Cannot find expected key %" PRIu64" above or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup above equal. Expecting key %" PRIu64 " above or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++
++ for (i = 0; i < CAA_ARRAY_SIZE(ka); i++) {
++ struct ja_test_node *node;
++ uint64_t result_key;
++
++ key = ka[i]; /* without offset */
++ rcu_read_lock();
++ ja_node = cds_ja_lookup_below_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup below equal. Cannot find expected key %" PRIu64" below or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup below equal. Expecting key %" PRIu64 " below or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++
++ ja_node = cds_ja_lookup_above_equal(test_ja, key, &result_key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup above equal. Cannot find expected key %" PRIu64" above or equal to %" PRIu64 ".\n",
++ ka[i], key);
++ assert(0);
++ }
++ node = caa_container_of(ja_node, struct ja_test_node, node);
++ if (node->key != ka[i] || result_key != ka[i]) {
++ fprintf(stderr, "Error lookup above equal. Expecting key %" PRIu64 " above or equal to %" PRIu64 ", but found %" PRIu64 "/%" PRIu64" instead.\n",
++ ka[i], key, node->key, result_key);
++ assert(0);
++ }
++ rcu_read_unlock();
++ }
++
++ printf("OK\n");
++
++ ret = test_free_all_nodes(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error freeing all nodes\n");
++ return -1;
++ }
++
++ ret = cds_ja_destroy(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error destroying judy array\n");
++ return -1;
++ }
++ return 0;
++}
++
++/*
++ * nr_dup is number of nodes per key.
++ */
++static
++int test_sparse_key(unsigned int bits, int nr_dup)
++{
++ uint64_t key, max_key;
++ int zerocount, i, ret;
++ struct cds_ja_node *ja_node;
++
++ if (bits == 64)
++ max_key = UINT64_MAX;
++ else
++ max_key = (1ULL << bits) - 1;
++
++ printf("Sparse key test begins for %u-bit keys\n", bits);
++ /* Test with 16-bit key */
++ test_ja = cds_ja_new(bits);
++ if (!test_ja) {
++ printf("Error allocating judy array.\n");
++ return -1;
++ }
++
++ /* Add keys */
++ printf("Test #1: add keys (%u-bit).\n", bits);
++ for (i = 0; i < nr_dup; i++) {
++ zerocount = 0;
++ for (key = 0; key <= max_key && (key != 0 || zerocount < 1); key += 1ULL << (bits - 8)) {
++ struct ja_test_node *node = node_alloc();
++
++ ja_test_node_init(node, key);
++ rcu_read_lock();
++ ret = cds_ja_add(test_ja, key, &node->node);
++ rcu_read_unlock();
++ if (ret) {
++ fprintf(stderr, "Error (%d) adding node %" PRIu64 "\n",
++ ret, key);
++ assert(0);
++ }
++ if (key == 0)
++ zerocount++;
++ }
++ }
++ printf("OK\n");
++
++ printf("Test #2: successful key lookup (%u-bit).\n", bits);
++ zerocount = 0;
++ for (key = 0; key <= max_key && (key != 0 || zerocount < 1); key += 1ULL << (bits - 8)) {
++ struct ja_test_node *node;
++ int count = 0;
++
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (!ja_node) {
++ fprintf(stderr, "Error lookup node %" PRIu64 "\n", key);
++ assert(0);
++ }
++ cds_ja_for_each_duplicate_rcu(ja_node) {
++ count++;
++ }
++ if (count != nr_dup) {
++ fprintf(stderr, "Unexpected number of match for key %" PRIu64 ", expected %d, got %d.\n", key, nr_dup, count);
++ }
++ rcu_read_unlock();
++ if (key == 0)
++ zerocount++;
++ }
++ printf("OK\n");
++ if (bits > 8) {
++ printf("Test #3: unsuccessful key lookup (%u-bit).\n", bits);
++ zerocount = 0;
++ for (key = 0; key <= max_key && (key != 0 || zerocount < 1); key += 1ULL << (bits - 8)) {
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key + 42);
++ if (ja_node) {
++ fprintf(stderr,
++ "Error unexpected lookup node %" PRIu64 "\n",
++ key + 42);
++ assert(0);
++ }
++ rcu_read_unlock();
++ if (key == 0)
++ zerocount++;
++ }
++ printf("OK\n");
++ }
++ printf("Test #4: remove keys (%u-bit).\n", bits);
++ zerocount = 0;
++ for (key = 0; key <= max_key && (key != 0 || zerocount < 1); key += 1ULL << (bits - 8)) {
++ int count = 0;
++
++ rcu_read_lock();
++ ja_node = cds_ja_lookup(test_ja, key);
++
++ cds_ja_for_each_duplicate_rcu(ja_node) {
++ struct cds_ja_node *test_ja_node;
++ struct ja_test_node *node;
++
++ count++;
++ node = caa_container_of(ja_node,
++ struct ja_test_node, node);
++ ret = cds_ja_del(test_ja, key, &node->node);
++ if (ret) {
++ fprintf(stderr, "Error (%d) removing node %" PRIu64 "\n", ret, key);
++ assert(0);
++ }
++ rcu_free_test_node(node);
++ test_ja_node = cds_ja_lookup(test_ja, key);
++ if (count < nr_dup && !test_ja_node) {
++ fprintf(stderr, "Error: no node found after deletion of some nodes of a key\n");
++ assert(0);
++ }
++ }
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (ja_node) {
++ fprintf(stderr, "Error lookup %" PRIu64 ": %p (after delete) failed. Node is not expected.\n", key, ja_node);
++ assert(0);
++ }
++ rcu_read_unlock();
++ if (key == 0)
++ zerocount++;
++ }
++ printf("OK\n");
++
++ ret = test_free_all_nodes(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error freeing all nodes\n");
++ return -1;
++ }
++
++ ret = cds_ja_destroy(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error destroying judy array\n");
++ return -1;
++ }
++ printf("Test ends\n");
++
++ return 0;
++}
++
++static
++int do_sanity_test(void)
++{
++ int i, j, ret;
++
++ printf("Sanity test start.\n");
++
++ for (i = 0; i < 3; i++) {
++ ret = test_8bit_key();
++ if (ret) {
++ return ret;
++ }
++ rcu_quiescent_state();
++ }
++ ret = test_16bit_key();
++ if (ret) {
++ return ret;
++ }
++ rcu_quiescent_state();
++
++ /* key bits */
++ for (i = 8; i <= 64; i *= 2) {
++ /* nr of nodes per key */
++ for (j = 1; j < 4; j++) {
++ ret = test_sparse_key(i, j);
++ if (ret) {
++ return ret;
++ }
++ rcu_quiescent_state();
++ }
++ }
++ printf("Sanity test end.\n");
++
++ return 0;
++}
++
++enum urcu_ja_addremove {
++ AR_RANDOM = 0,
++ AR_ADD = 1,
++ AR_REMOVE = -1,
++}; /* 1: add, -1 remove, 0: random */
++
++static enum urcu_ja_addremove addremove; /* 1: add, -1 remove, 0: random */
++
++static
++void test_ja_rw_sigusr1_handler(int signo)
++{
++ switch (addremove) {
++ case AR_ADD:
++ printf("Add/Remove: random.\n");
++ addremove = AR_RANDOM;
++ break;
++ case AR_RANDOM:
++ printf("Add/Remove: remove only.\n");
++ addremove = AR_REMOVE;
++ break;
++ case AR_REMOVE:
++ printf("Add/Remove: add only.\n");
++ addremove = AR_ADD;
++ break;
++ }
++}
++
++static
++void *test_ja_rw_thr_reader(void *_count)
++{
++ unsigned long long *count = _count;
++ struct cds_ja_node *ja_node;
++ uint64_t key;
++
++ printf_verbose("thread_begin %s, tid %lu\n",
++ "reader", urcu_get_thread_id());
++
++ URCU_TLS(rand_lookup) = urcu_get_thread_id() ^ time(NULL);
++
++ set_affinity();
++
++ rcu_register_thread();
++
++ while (!test_go)
++ {
++ }
++ cmm_smp_mb();
++
++ for (;;) {
++ rcu_read_lock();
++
++ /* note: only looking up ulong keys */
++ key = ((unsigned long) rand_r(&URCU_TLS(rand_lookup)) % lookup_pool_size) + lookup_pool_offset;
++ key *= key_mul;
++ ja_node = cds_ja_lookup(test_ja, key);
++ if (!ja_node) {
++ if (validate_lookup) {
++ printf("[ERROR] Lookup cannot find initial node.\n");
++ exit(-1);
++ }
++ URCU_TLS(lookup_fail)++;
++ } else {
++ URCU_TLS(lookup_ok)++;
++ }
++ rcu_debug_yield_read();
++ if (caa_unlikely(rduration))
++ loop_sleep(rduration);
++ rcu_read_unlock();
++ URCU_TLS(nr_reads)++;
++ if (caa_unlikely(!test_duration_read()))
++ break;
++ if (caa_unlikely((URCU_TLS(nr_reads) & ((1 << 10) - 1)) == 0))
++ rcu_quiescent_state();
++ }
++
++ rcu_unregister_thread();
++
++ *count = URCU_TLS(nr_reads);
++ printf_verbose("thread_end %s, tid %lu\n",
++ "reader", urcu_get_thread_id());
++ printf_verbose("readid : %lx, lookupfail %lu, lookupok %lu\n",
++ pthread_self(), URCU_TLS(lookup_fail),
++ URCU_TLS(lookup_ok));
++ return ((void*)1);
++}
++
++static
++int is_add(void)
++{
++ return ((unsigned int) rand_r(&URCU_TLS(rand_lookup)) % 100) < add_ratio;
++}
++
++static
++void *test_ja_rw_thr_writer(void *_count)
++{
++ struct wr_count *count = _count;
++ uint64_t key;
++ int ret;
++
++ printf_verbose("thread_begin %s, tid %lu\n",
++ "writer", urcu_get_thread_id());
++
++ URCU_TLS(rand_lookup) = urcu_get_thread_id() ^ time(NULL);
++
++ set_affinity();
++
++ rcu_register_thread();
++
++ while (!test_go)
++ {
++ }
++ cmm_smp_mb();
++
++ for (;;) {
++ if ((addremove == AR_ADD)
++ || (addremove == AR_RANDOM && is_add())) {
++ struct ja_test_node *node = node_alloc();
++ struct cds_ja_node *ret_node;
++
++ /* note: only inserting ulong keys */
++ key = ((unsigned long) rand_r(&URCU_TLS(rand_lookup)) % write_pool_size) + write_pool_offset;
++ key *= key_mul;
++ ja_test_node_init(node, key);
++ rcu_read_lock();
++ if (add_unique) {
++ ret_node = cds_ja_add_unique(test_ja, key, &node->node);
++ if (ret_node != &node->node) {
++ free_test_node(node);
++ URCU_TLS(nr_addexist)++;
++ } else {
++ URCU_TLS(nr_add)++;
++ }
++ } else if (add_replace) {
++ assert(0); /* not implemented yet. */
++ } else {
++ ret = cds_ja_add(test_ja, key, &node->node);
++ if (ret) {
++ fprintf(stderr, "Error in cds_ja_add: %d\n", ret);
++ free_test_node(node);
++ } else {
++ URCU_TLS(nr_add)++;
++ }
++ }
++ rcu_read_unlock();
++ } else {
++ struct cds_ja_node *ja_node;
++ struct ja_test_node *node;
++
++ /* May delete */
++ /* note: only deleting ulong keys */
++ key = ((unsigned long) rand_r(&URCU_TLS(rand_lookup)) % write_pool_size) + write_pool_offset;
++ key *= key_mul;
++
++ rcu_read_lock();
++
++ ja_node = cds_ja_lookup(test_ja, key);
++ /* Remove first entry */
++ if (ja_node) {
++ node = caa_container_of(ja_node,
++ struct ja_test_node, node);
++ ret = cds_ja_del(test_ja, key, &node->node);
++ if (!ret) {
++ rcu_free_test_node(node);
++ URCU_TLS(nr_del)++;
++ } else {
++ URCU_TLS(nr_delnoent)++;
++ }
++ } else {
++ URCU_TLS(nr_delnoent)++;
++ }
++ rcu_read_unlock();
++ }
++
++ URCU_TLS(nr_writes)++;
++ if (caa_unlikely(!test_duration_write()))
++ break;
++ if (caa_unlikely(wdelay))
++ loop_sleep(wdelay);
++ if (caa_unlikely((URCU_TLS(nr_writes) & ((1 << 10) - 1)) == 0))
++ rcu_quiescent_state();
++ }
++
++ rcu_unregister_thread();
++
++ printf_verbose("thread_end %s, tid %lu\n",
++ "writer", urcu_get_thread_id());
++ printf_verbose("info id %lx: nr_add %lu, nr_addexist %lu, nr_del %lu, "
++ "nr_delnoent %lu\n", pthread_self(), URCU_TLS(nr_add),
++ URCU_TLS(nr_addexist), URCU_TLS(nr_del),
++ URCU_TLS(nr_delnoent));
++ count->update_ops = URCU_TLS(nr_writes);
++ count->add = URCU_TLS(nr_add);
++ count->add_exist = URCU_TLS(nr_addexist);
++ count->remove = URCU_TLS(nr_del);
++ return ((void*)2);
++}
++
++static
++int do_mt_populate_ja(void)
++{
++ uint64_t iter;
++ int ret;
++
++ if (!init_populate)
++ return 0;
++
++ printf("Starting rw test\n");
++
++ for (iter = init_pool_offset; iter < init_pool_offset + init_pool_size; iter++) {
++ struct ja_test_node *node = node_alloc();
++ uint64_t key;
++
++ /* note: only inserting ulong keys */
++ key = (unsigned long) iter;
++ key *= key_mul;
++ ja_test_node_init(node, key);
++ rcu_read_lock();
++ ret = cds_ja_add(test_ja, key, &node->node);
++ URCU_TLS(nr_add)++;
++ URCU_TLS(nr_writes)++;
++ rcu_read_unlock();
++ /* Hash table resize only occurs in call_rcu thread */
++ if (!(iter % 100))
++ rcu_quiescent_state();
++ if (ret) {
++ fprintf(stderr, "Error (%d) adding node %" PRIu64 "\n",
++ ret, key);
++ assert(0);
++ }
++ }
++ return 0;
++}
++
++static
++int do_mt_test(void)
++{
++ pthread_t *tid_reader, *tid_writer;
++ void *tret;
++ int ret, i, err;
++ unsigned long long *count_reader;
++ struct wr_count *count_writer;
++ unsigned long long tot_reads = 0, tot_writes = 0,
++ tot_add = 0, tot_add_exist = 0, tot_remove = 0;
++ unsigned int remain;
++
++ tid_reader = malloc(sizeof(*tid_reader) * nr_readers);
++ tid_writer = malloc(sizeof(*tid_writer) * nr_writers);
++ count_reader = malloc(sizeof(*count_reader) * nr_readers);
++ count_writer = malloc(sizeof(*count_writer) * nr_writers);
++
++ printf("Allocating Judy Array for %u-bit keys\n", key_bits);
++ test_ja = cds_ja_new(key_bits);
++ if (!test_ja) {
++ printf("Error allocating judy array.\n");
++ ret = -1;
++ goto end;
++ }
++
++ do_mt_populate_ja();
++
++ next_aff = 0;
++
++ for (i = 0; i < nr_readers; i++) {
++ err = pthread_create(&tid_reader[i],
++ NULL, test_ja_rw_thr_reader,
++ &count_reader[i]);
++ if (err != 0)
++ exit(1);
++ }
++ for (i = 0; i < nr_writers; i++) {
++ err = pthread_create(&tid_writer[i],
++ NULL, test_ja_rw_thr_writer,
++ &count_writer[i]);
++ if (err != 0)
++ exit(1);
++ }
++
++ cmm_smp_mb();
++
++ test_go = 1;
++
++ rcu_thread_offline_qsbr();
++
++ remain = duration;
++ do {
++ remain = sleep(remain);
++ } while (remain > 0);
++
++ test_stop = 1;
++
++ for (i = 0; i < nr_readers; i++) {
++ err = pthread_join(tid_reader[i], &tret);
++ if (err != 0)
++ exit(1);
++ tot_reads += count_reader[i];
++ }
++ for (i = 0; i < nr_writers; i++) {
++ err = pthread_join(tid_writer[i], &tret);
++ if (err != 0)
++ exit(1);
++ tot_writes += count_writer[i].update_ops;
++ tot_add += count_writer[i].add;
++ tot_add_exist += count_writer[i].add_exist;
++ tot_remove += count_writer[i].remove;
++ }
++ rcu_thread_online_qsbr();
++
++ ret = test_free_all_nodes(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error freeing all nodes\n");
++ return -1;
++ }
++
++ ret = cds_ja_destroy(test_ja);
++ if (ret) {
++ fprintf(stderr, "Error destroying judy array\n");
++ goto end;
++ }
++
++ free(tid_reader);
++ free(tid_writer);
++ free(count_reader);
++ free(count_writer);
++ ret = 0;
++end:
++ return ret;
++}
++
++static
++int check_memory_leaks(void)
++{
++ unsigned long na, nf;
++
++ na = uatomic_read(&test_nodes_allocated);
++ nf = uatomic_read(&test_nodes_freed);
++ if (na != nf) {
++ fprintf(stderr, "Memory leak of %ld test nodes detected. Allocated: %lu, freed: %lu\n",
++ na - nf, na, nf);
++ return -1;
++ }
++ return 0;
++}
++
++int main(int argc, char **argv)
++{
++ int i, j, a, ret, err;
++ uint64_t key;
++ struct sigaction act;
++
++ if (argc < 4) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ err = sscanf(argv[1], "%u", &nr_readers);
++ if (err != 1) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ err = sscanf(argv[2], "%u", &nr_writers);
++ if (err != 1) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ err = sscanf(argv[3], "%lu", &duration);
++ if (err != 1) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ for (i = 4; i < argc; i++) {
++ if (argv[i][0] != '-')
++ continue;
++ switch (argv[i][1]) {
++#ifdef DEBUG_YIELD
++ case 'r':
++ yield_active |= YIELD_READ;
++ break;
++ case 'w':
++ yield_active |= YIELD_WRITE;
++ break;
++#endif
++ case 'a':
++ if (argc < i + 2) {
++ show_usage(argc, argv);
++ return -1;
++ }
++ a = atoi(argv[++i]);
++ cpu_affinities[next_aff++] = a;
++ use_affinity = 1;
++ printf_verbose("Adding CPU %d affinity\n", a);
++ break;
++ case 'c':
++ if (argc < i + 2) {
++ show_usage(argc, argv);
++ return -1;
++ }
++ rduration = atol(argv[++i]);
++ break;
++ case 'd':
++ if (argc < i + 2) {
++ show_usage(argc, argv);
++ return -1;
++ }
++ wdelay = atol(argv[++i]);
++ break;
++ case 'v':
++ verbose_mode = 1;
++ break;
++ case 'r':
++ add_ratio = atoi(argv[++i]);
++ break;
++ case 'k':
++ init_populate = 1;
++ break;
++ case 'R':
++ lookup_pool_offset = atol(argv[++i]);
++ break;
++ case 'S':
++ write_pool_offset = atol(argv[++i]);
++ break;
++ case 'T':
++ init_pool_offset = atol(argv[++i]);
++ break;
++ case 'M':
++ lookup_pool_size = atol(argv[++i]);
++ break;
++ case 'N':
++ write_pool_size = atol(argv[++i]);
++ break;
++ case 'O':
++ init_pool_size = atol(argv[++i]);
++ break;
++ case 'V':
++ validate_lookup = 1;
++ break;
++ case 't':
++ sanity_test = 1;
++ break;
++ case 'B':
++ key_bits = atol(argv[++i]);
++ break;
++ case 'm':
++ key_mul = atoll(argv[++i]);
++ break;
++ case 'u':
++ add_unique = 1;
++ break;
++ case 's':
++ add_replace = 1;
++ break;
++ case 'l':
++ leak_detection = 1;
++ break;
++ }
++ }
++
++ printf_verbose("running test for %lu seconds, %u readers, %u writers.\n",
++ duration, nr_readers, nr_writers);
++ printf_verbose("Writer delay : %lu loops.\n", wdelay);
++ printf_verbose("Reader duration : %lu loops.\n", rduration);
++ printf_verbose("Add ratio: %u%%.\n", add_ratio);
++ printf_verbose("Mode:%s%s.\n",
++ " add/remove",
++ add_unique ? " uniquify" : ( add_replace ? " replace" : " insert"));
++ printf_verbose("Key multiplication factor: %" PRIu64 ".\n", key_mul);
++ printf_verbose("Init pool size offset %lu size %lu.\n",
++ init_pool_offset, init_pool_size);
++ printf_verbose("Lookup pool size offset %lu size %lu.\n",
++ lookup_pool_offset, lookup_pool_size);
++ printf_verbose("Update pool size offset %lu size %lu.\n",
++ write_pool_offset, write_pool_size);
++ if (validate_lookup)
++ printf_verbose("Validating lookups.\n");
++ if (leak_detection)
++ printf_verbose("Memory leak dection activated.\n");
++ printf_verbose("thread %-6s, tid %lu\n",
++ "main", urcu_get_thread_id());
++
++ memset(&act, 0, sizeof(act));
++ ret = sigemptyset(&act.sa_mask);
++ if (ret == -1) {
++ perror("sigemptyset");
++ return -1;
++ }
++ act.sa_handler = test_ja_rw_sigusr1_handler;
++ act.sa_flags = SA_RESTART;
++ ret = sigaction(SIGUSR1, &act, NULL);
++ if (ret == -1) {
++ perror("sigaction");
++ return -1;
++ }
++
++ err = create_all_cpu_call_rcu_data(0);
++ if (err) {
++ printf("Per-CPU call_rcu() worker threads unavailable. Using default global worker thread.\n");
++ }
++
++ rcu_register_thread();
++
++ if (sanity_test) {
++ ret = do_sanity_test();
++ } else {
++ ret = do_mt_test();
++ }
++
++ /* Wait for in-flight call_rcu free to complete for leak detection */
++ rcu_barrier();
++
++ ret |= check_memory_leaks();
++
++ rcu_unregister_thread();
++ free_all_cpu_call_rcu_data();
++
++ if (ret) {
++ printf("Test ended with error: %d\n", ret);
++ }
++ return ret;
++}
--- /dev/null
--- /dev/null
++/*
++ * test_urcu_ja_range.c
++ *
++ * Userspace RCU library - test program
++ *
++ * Copyright 2009-2012 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License along
++ * with this program; if not, write to the Free Software Foundation, Inc.,
++ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
++ */
++
++#define _GNU_SOURCE
++#include "test_urcu_ja_range.h"
++#include <inttypes.h>
++#include <stdint.h>
++
++DEFINE_URCU_TLS(unsigned int, rand_lookup);
++DEFINE_URCU_TLS(unsigned long, nr_add);
++DEFINE_URCU_TLS(unsigned long, nr_addexist);
++DEFINE_URCU_TLS(unsigned long, nr_del);
++DEFINE_URCU_TLS(unsigned long, nr_delnoent);
++DEFINE_URCU_TLS(unsigned long, lookup_fail);
++DEFINE_URCU_TLS(unsigned long, lookup_ok);
++
++struct cds_ja *test_ja;
++
++volatile int test_go, test_stop;
++
++unsigned long wdelay;
++
++unsigned long duration;
++
++/* read-side C.S. duration, in loops */
++unsigned long rduration;
++
++unsigned long init_populate;
++int add_only;
++
++unsigned long init_pool_offset, lookup_pool_offset, write_pool_offset;
++unsigned long init_pool_size = DEFAULT_RAND_POOL,
++ lookup_pool_size = DEFAULT_RAND_POOL,
++ write_pool_size = DEFAULT_RAND_POOL;
++int validate_lookup;
++int sanity_test;
++unsigned int key_bits = 32;
++
++int count_pipe[2];
++
++int verbose_mode;
++
++unsigned int cpu_affinities[NR_CPUS];
++unsigned int next_aff = 0;
++int use_affinity = 0;
++
++pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
++
++DEFINE_URCU_TLS(unsigned long long, nr_writes);
++DEFINE_URCU_TLS(unsigned long long, nr_reads);
++
++unsigned int nr_readers;
++unsigned int nr_writers;
++
++static unsigned int add_ratio = 50, range_max_len = 0;
++static uint64_t key_mul = 1ULL;
++
++static int add_unique, add_replace;
++
++static pthread_mutex_t rcu_copy_mutex = PTHREAD_MUTEX_INITIALIZER;
++
++static int leak_detection;
++static unsigned long test_nodes_allocated, test_nodes_freed;
++
++void set_affinity(void)
++{
++ cpu_set_t mask;
++ int cpu;
++ int ret;
++
++ if (!use_affinity)
++ return;
++
++#if HAVE_SCHED_SETAFFINITY
++ ret = pthread_mutex_lock(&affinity_mutex);
++ if (ret) {
++ perror("Error in pthread mutex lock");
++ exit(-1);
++ }
++ cpu = cpu_affinities[next_aff++];
++ ret = pthread_mutex_unlock(&affinity_mutex);
++ if (ret) {
++ perror("Error in pthread mutex unlock");
++ exit(-1);
++ }
++ CPU_ZERO(&mask);
++ CPU_SET(cpu, &mask);
++#if SCHED_SETAFFINITY_ARGS == 2
++ sched_setaffinity(0, &mask);
++#else
++ sched_setaffinity(0, sizeof(mask), &mask);
++#endif
++#endif /* HAVE_SCHED_SETAFFINITY */
++}
++
++void rcu_copy_mutex_lock(void)
++{
++ int ret;
++ ret = pthread_mutex_lock(&rcu_copy_mutex);
++ if (ret) {
++ perror("Error in pthread mutex lock");
++ exit(-1);
++ }
++}
++
++void rcu_copy_mutex_unlock(void)
++{
++ int ret;
++
++ ret = pthread_mutex_unlock(&rcu_copy_mutex);
++ if (ret) {
++ perror("Error in pthread mutex unlock");
++ exit(-1);
++ }
++}
++
++void show_usage(int argc, char **argv)
++{
++ printf("Usage : %s nr_readers nr_writers duration (s)\n", argv[0]);
++#ifdef DEBUG_YIELD
++ printf(" [-r] [-w] (yield reader and/or writer)\n");
++#endif
++ printf(" [-d delay] (writer period (us))\n");
++ printf(" [-c duration] (reader C.S. duration (in loops))\n");
++ printf(" [-v] (verbose output)\n");
++ printf(" [-a cpu#] [-a cpu#]... (affinity)\n");
++ printf(" [-u] Add unique keys.\n");
++ printf(" [-s] Replace existing keys.\n");
++printf(" [not -u nor -s] Add entries (supports redundant keys).\n");
++ printf(" [-r ratio] Add ratio (in %% of add+removal).\n");
++ printf(" [-k] Populate init nodes.\n");
++ printf(" [-R offset] Lookup pool offset.\n");
++ printf(" [-S offset] Write pool offset.\n");
++ printf(" [-T offset] Init pool offset.\n");
++ printf(" [-M size] Lookup pool size.\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(" [-t] Do sanity test.\n");
++ printf(" [-B] Key bits for multithread test (default: 32).\n");
++ printf(" [-m factor] Key multiplication factor.\n");
++ printf(" [-l] Memory leak detection.\n");
++ printf(" [-L len] Range max len.\n");
++ printf("\n\n");
++}
++
++enum urcu_ja_addremove {
++ AR_RANDOM = 0,
++ AR_ADD = 1,
++ AR_REMOVE = -1,
++}; /* 1: add, -1 remove, 0: random */
++
++static enum urcu_ja_addremove addremove; /* 1: add, -1 remove, 0: random */
++
++static
++void test_ja_rw_sigusr1_handler(int signo)
++{
++ switch (addremove) {
++ case AR_ADD:
++ printf("Add/Remove: random.\n");
++ addremove = AR_RANDOM;
++ break;
++ case AR_RANDOM:
++ printf("Add/Remove: remove only.\n");
++ addremove = AR_REMOVE;
++ break;
++ case AR_REMOVE:
++ printf("Add/Remove: add only.\n");
++ addremove = AR_ADD;
++ break;
++ }
++}
++
++static
++void *test_ja_rw_thr_reader(void *_count)
++{
++ unsigned long long *count = _count;
++ struct cds_ja_range *range;
++ uint64_t key;
++
++ printf_verbose("thread_begin %s, tid %lu\n",
++ "reader", urcu_get_thread_id());
++
++ URCU_TLS(rand_lookup) = (unsigned int) urcu_get_thread_id() ^ time(NULL);
++
++ set_affinity();
++
++ rcu_register_thread();
++
++ while (!test_go)
++ {
++ }
++ cmm_smp_mb();
++
++ for (;;) {
++ rcu_read_lock();
++
++ key = (uint64_t) rand_r(&URCU_TLS(rand_lookup));
++ key += (uint64_t) rand_r(&URCU_TLS(rand_lookup)) << 32ULL;
++ key = (key % lookup_pool_size) + lookup_pool_offset;
++ key *= key_mul;
++
++ range = cds_ja_range_lookup(test_ja, key);
++ if (!range) {
++ if (validate_lookup) {
++ printf("[ERROR] Lookup cannot find initial node.\n");
++ exit(-1);
++ }
++ URCU_TLS(lookup_fail)++;
++ } else {
++ range = cds_ja_range_lock(range);
++ if (!range) {
++ if (validate_lookup) {
++ printf("[ERROR] Lookup cannot find initial node.\n");
++ exit(-1);
++ }
++ } else {
++ URCU_TLS(lookup_ok)++;
++ cds_ja_range_unlock(range);
++ }
++ }
++ rcu_debug_yield_read();
++ if (caa_unlikely(rduration))
++ loop_sleep(rduration);
++ rcu_read_unlock();
++ URCU_TLS(nr_reads)++;
++ if (caa_unlikely(!test_duration_read()))
++ break;
++ if (caa_unlikely((URCU_TLS(nr_reads) & ((1 << 10) - 1)) == 0))
++ rcu_quiescent_state();
++ }
++
++ rcu_unregister_thread();
++
++ *count = URCU_TLS(nr_reads);
++ printf_verbose("thread_end %s, tid %lu\n",
++ "reader", urcu_get_thread_id());
++ printf_verbose("read tid : %lu, lookupfail %lu, lookupok %lu\n",
++ urcu_get_thread_id(), URCU_TLS(lookup_fail),
++ URCU_TLS(lookup_ok));
++ return ((void*)1);
++}
++
++static
++int is_add(void)
++{
++ return ((unsigned int) rand_r(&URCU_TLS(rand_lookup)) % 100) < add_ratio;
++}
++
++static
++void *test_ja_rw_thr_writer(void *_count)
++{
++ struct wr_count *count = _count;
++ int ret;
++
++ printf_verbose("thread_begin %s, tid %lu\n",
++ "writer", urcu_get_thread_id());
++
++ URCU_TLS(rand_lookup) = (unsigned int) urcu_get_thread_id() ^ time(NULL);
++
++ set_affinity();
++
++ rcu_register_thread();
++
++ while (!test_go)
++ {
++ }
++ cmm_smp_mb();
++
++ for (;;) {
++ if ((addremove == AR_ADD)
++ || (addremove == AR_RANDOM && is_add())) {
++ struct cds_ja_range *range;
++ uint64_t start, end, tmp;
++
++ start = (uint64_t) rand_r(&URCU_TLS(rand_lookup));
++ start += (uint64_t) rand_r(&URCU_TLS(rand_lookup)) << 32ULL;
++ start = (start % write_pool_size) + write_pool_offset;
++
++ end = (uint64_t) rand_r(&URCU_TLS(rand_lookup));
++ end += (uint64_t) rand_r(&URCU_TLS(rand_lookup)) << 32ULL;
++ end = (end % write_pool_size) + write_pool_offset;
++
++ start *= key_mul;
++ end *= key_mul;
++ if (start > end) {
++ tmp = start;
++ start = end;
++ end = tmp;
++ }
++ if (end - start > range_max_len) {
++ end = start + range_max_len;
++ }
++ rcu_read_lock();
++ ret = cds_ja_range_add(test_ja, start, end, NULL);
++ if (ret) {
++ if (ret == -EEXIST) {
++ URCU_TLS(nr_addexist)++;
++ } else {
++ assert(0);
++ }
++ } else {
++ URCU_TLS(nr_add)++;
++ }
++ rcu_read_unlock();
++ } else {
++ struct cds_ja_range *range;
++ uint64_t key;
++
++ /* May delete */
++ key = (uint64_t) rand_r(&URCU_TLS(rand_lookup));
++ key += (uint64_t) rand_r(&URCU_TLS(rand_lookup)) << 32ULL;
++ key = (key % write_pool_size) + write_pool_offset;
++ key *= key_mul;
++
++ rcu_read_lock();
++
++ range = cds_ja_range_lookup(test_ja, key);
++ if (range) {
++ ret = cds_ja_range_del(test_ja, range);
++ if (!ret) {
++ URCU_TLS(nr_del)++;
++ } else {
++ URCU_TLS(nr_delnoent)++;
++ }
++ } else {
++ URCU_TLS(nr_delnoent)++;
++ }
++ rcu_read_unlock();
++ }
++
++ URCU_TLS(nr_writes)++;
++ if (caa_unlikely(!test_duration_write()))
++ break;
++ if (caa_unlikely(wdelay))
++ loop_sleep(wdelay);
++ if (caa_unlikely((URCU_TLS(nr_writes) & ((1 << 10) - 1)) == 0))
++ rcu_quiescent_state();
++ }
++
++ rcu_unregister_thread();
++
++ printf_verbose("thread_end %s, tid %lu\n",
++ "writer", urcu_get_thread_id());
++ printf_verbose("info tid %lu: nr_add %lu, nr_addexist %lu, nr_del %lu, "
++ "nr_delnoent %lu\n", urcu_get_thread_id(),
++ URCU_TLS(nr_add),
++ URCU_TLS(nr_addexist), URCU_TLS(nr_del),
++ URCU_TLS(nr_delnoent));
++ count->update_ops = URCU_TLS(nr_writes);
++ count->add = URCU_TLS(nr_add);
++ count->add_exist = URCU_TLS(nr_addexist);
++ count->remove = URCU_TLS(nr_del);
++ return ((void*)2);
++}
++
++static
++int do_mt_populate_ja(void)
++{
++ uint64_t iter;
++ int ret;
++
++ if (!init_populate)
++ return 0;
++
++ printf("Starting rw test\n");
++
++ for (iter = init_pool_offset; iter < init_pool_offset + init_pool_size; iter++) {
++ struct cds_ja_range *range;
++ uint64_t key;
++
++ /* note: only inserting ulong keys */
++ key = (unsigned long) iter;
++ key *= key_mul;
++ rcu_read_lock();
++ ret = cds_ja_range_add(test_ja, key, key, NULL);
++ URCU_TLS(nr_add)++;
++ URCU_TLS(nr_writes)++;
++ rcu_read_unlock();
++ /* Hash table resize only occurs in call_rcu thread */
++ if (!(iter % 100))
++ rcu_quiescent_state();
++ if (ret) {
++ fprintf(stderr, "Error (%d) adding range %" PRIu64 "\n",
++ ret, key);
++ assert(0);
++ }
++ }
++ return 0;
++}
++
++static
++int do_mt_test(void)
++{
++ pthread_t *tid_reader, *tid_writer;
++ void *tret;
++ int ret, i, err;
++ unsigned long long *count_reader;
++ struct wr_count *count_writer;
++ unsigned long long tot_reads = 0, tot_writes = 0,
++ tot_add = 0, tot_add_exist = 0, tot_remove = 0;
++ unsigned int remain;
++
++ tid_reader = malloc(sizeof(*tid_reader) * nr_readers);
++ tid_writer = malloc(sizeof(*tid_writer) * nr_writers);
++ count_reader = malloc(sizeof(*count_reader) * nr_readers);
++ count_writer = malloc(sizeof(*count_writer) * nr_writers);
++
++ printf("Allocating %u-bit Judy Array for ranges\n",
++ key_bits);
++ test_ja = cds_ja_range_new(key_bits);
++ if (!test_ja) {
++ printf("Error allocating judy array.\n");
++ ret = -1;
++ goto end;
++ }
++
++ do_mt_populate_ja();
++
++ next_aff = 0;
++
++ for (i = 0; i < nr_readers; i++) {
++ err = pthread_create(&tid_reader[i],
++ NULL, test_ja_rw_thr_reader,
++ &count_reader[i]);
++ if (err != 0)
++ exit(1);
++ }
++ for (i = 0; i < nr_writers; i++) {
++ err = pthread_create(&tid_writer[i],
++ NULL, test_ja_rw_thr_writer,
++ &count_writer[i]);
++ if (err != 0)
++ exit(1);
++ }
++
++ cmm_smp_mb();
++
++ test_go = 1;
++
++ rcu_thread_offline_qsbr();
++
++ remain = duration;
++ do {
++ remain = sleep(remain);
++ } while (remain > 0);
++
++ test_stop = 1;
++
++ for (i = 0; i < nr_readers; i++) {
++ err = pthread_join(tid_reader[i], &tret);
++ if (err != 0)
++ exit(1);
++ tot_reads += count_reader[i];
++ }
++ for (i = 0; i < nr_writers; i++) {
++ err = pthread_join(tid_writer[i], &tret);
++ if (err != 0)
++ exit(1);
++ tot_writes += count_writer[i].update_ops;
++ tot_add += count_writer[i].add;
++ tot_add_exist += count_writer[i].add_exist;
++ tot_remove += count_writer[i].remove;
++ }
++ rcu_thread_online_qsbr();
++
++ ret = cds_ja_range_validate(test_ja);
++ assert(!ret);
++
++ ret = cds_ja_range_destroy(test_ja, NULL);
++ if (ret) {
++ fprintf(stderr, "Error destroying judy array\n");
++ goto end;
++ }
++
++ free(tid_reader);
++ free(tid_writer);
++ free(count_reader);
++ free(count_writer);
++ ret = 0;
++end:
++ return ret;
++}
++
++int main(int argc, char **argv)
++{
++ int i, j, a, ret, err;
++ uint64_t key;
++ struct sigaction act;
++
++ if (argc < 4) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ err = sscanf(argv[1], "%u", &nr_readers);
++ if (err != 1) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ err = sscanf(argv[2], "%u", &nr_writers);
++ if (err != 1) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ err = sscanf(argv[3], "%lu", &duration);
++ if (err != 1) {
++ show_usage(argc, argv);
++ return -1;
++ }
++
++ for (i = 4; i < argc; i++) {
++ if (argv[i][0] != '-')
++ continue;
++ switch (argv[i][1]) {
++#ifdef DEBUG_YIELD
++ case 'r':
++ yield_active |= YIELD_READ;
++ break;
++ case 'w':
++ yield_active |= YIELD_WRITE;
++ break;
++#endif
++ case 'a':
++ if (argc < i + 2) {
++ show_usage(argc, argv);
++ return -1;
++ }
++ a = atoi(argv[++i]);
++ cpu_affinities[next_aff++] = a;
++ use_affinity = 1;
++ printf_verbose("Adding CPU %d affinity\n", a);
++ break;
++ case 'c':
++ if (argc < i + 2) {
++ show_usage(argc, argv);
++ return -1;
++ }
++ rduration = atol(argv[++i]);
++ break;
++ case 'd':
++ if (argc < i + 2) {
++ show_usage(argc, argv);
++ return -1;
++ }
++ wdelay = atol(argv[++i]);
++ break;
++ case 'v':
++ verbose_mode = 1;
++ break;
++ case 'r':
++ add_ratio = atoi(argv[++i]);
++ break;
++ case 'k':
++ init_populate = 1;
++ break;
++ case 'R':
++ lookup_pool_offset = atol(argv[++i]);
++ break;
++ case 'S':
++ write_pool_offset = atol(argv[++i]);
++ break;
++ case 'T':
++ init_pool_offset = atol(argv[++i]);
++ break;
++ case 'M':
++ lookup_pool_size = atol(argv[++i]);
++ break;
++ case 'N':
++ write_pool_size = atol(argv[++i]);
++ break;
++ case 'O':
++ init_pool_size = atol(argv[++i]);
++ break;
++ case 'V':
++ validate_lookup = 1;
++ break;
++ case 't':
++ sanity_test = 1;
++ break;
++ case 'B':
++ key_bits = atol(argv[++i]);
++ break;
++ case 'm':
++ key_mul = atoll(argv[++i]);
++ break;
++ case 'u':
++ add_unique = 1;
++ break;
++ case 's':
++ add_replace = 1;
++ break;
++ case 'l':
++ leak_detection = 1;
++ break;
++ case 'L':
++ range_max_len = atol(argv[++i]);
++ break;
++ }
++ }
++
++ printf_verbose("running test for %lu seconds, %u readers, %u writers.\n",
++ duration, nr_readers, nr_writers);
++ printf_verbose("Writer delay : %lu loops.\n", wdelay);
++ printf_verbose("Reader duration : %lu loops.\n", rduration);
++ printf_verbose("Add ratio: %u%%.\n", add_ratio);
++ printf_verbose("Mode:%s%s.\n",
++ " add/remove",
++ add_unique ? " uniquify" : ( add_replace ? " replace" : " insert"));
++ printf_verbose("Key multiplication factor: %" PRIu64 ".\n", key_mul);
++ printf_verbose("Init pool size offset %lu size %lu.\n",
++ init_pool_offset, init_pool_size);
++ printf_verbose("Lookup pool size offset %lu size %lu.\n",
++ lookup_pool_offset, lookup_pool_size);
++ printf_verbose("Update pool size offset %lu size %lu.\n",
++ write_pool_offset, write_pool_size);
++ printf_verbose("Range max len: %lu.\n",
++ range_max_len);
++ if (validate_lookup)
++ printf_verbose("Validating lookups.\n");
++ if (leak_detection)
++ printf_verbose("Memory leak dection activated.\n");
++ printf_verbose("thread %-6s, tid %lu\n",
++ "main", urcu_get_thread_id());
++
++ memset(&act, 0, sizeof(act));
++ ret = sigemptyset(&act.sa_mask);
++ if (ret == -1) {
++ perror("sigemptyset");
++ return -1;
++ }
++ act.sa_handler = test_ja_rw_sigusr1_handler;
++ act.sa_flags = SA_RESTART;
++ ret = sigaction(SIGUSR1, &act, NULL);
++ if (ret == -1) {
++ perror("sigaction");
++ return -1;
++ }
++
++ err = create_all_cpu_call_rcu_data(0);
++ if (err) {
++ printf("Per-CPU call_rcu() worker threads unavailable. Using default global worker thread.\n");
++ }
++
++ rcu_register_thread();
++
++ ret = do_mt_test();
++
++ /* Wait for in-flight call_rcu free to complete for leak detection */
++ rcu_barrier();
++
++ rcu_unregister_thread();
++ free_all_cpu_call_rcu_data();
++
++ if (ret) {
++ printf("Test ended with error: %d\n", ret);
++ }
++ return ret;
++}
projects / userspace-rcu.git / commitdiff
