X-Git-Url: http://git.liburcu.org/?p=userspace-rcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_ja_range.c;fp=tests%2Ftest_urcu_ja_range.c;h=0000000000000000000000000000000000000000;hp=93ac706c40e7d1b6544d04588f6404471e02a734;hb=169e1020838cc5b9f3df503d160ce1bf0c939b2f;hpb=5bcf8326b6e13ca93429925bc38fb81c73155c54 diff --git a/tests/test_urcu_ja_range.c b/tests/test_urcu_ja_range.c deleted file mode 100644 index 93ac706..0000000 --- a/tests/test_urcu_ja_range.c +++ /dev/null @@ -1,680 +0,0 @@ -/* - * test_urcu_ja_range.c - * - * Userspace RCU library - test program - * - * Copyright 2009-2012 - Mathieu Desnoyers - * - * 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 -#include - -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; -}