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-rw-r--r--tests/bench/atomic64-bench.c169
-rw-r--r--tests/bench/atomic_add-bench.c180
-rw-r--r--tests/bench/benchmark-crypto-cipher.c208
-rw-r--r--tests/bench/benchmark-crypto-hash.c116
-rw-r--r--tests/bench/benchmark-crypto-hmac.c81
-rw-r--r--tests/bench/meson.build34
-rw-r--r--tests/bench/qht-bench.c523
7 files changed, 1311 insertions, 0 deletions
diff --git a/tests/bench/atomic64-bench.c b/tests/bench/atomic64-bench.c
new file mode 100644
index 0000000000..e474753d34
--- /dev/null
+++ b/tests/bench/atomic64-bench.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2018, Emilio G. Cota <cota@braap.org>
+ *
+ * License: GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "qemu/thread.h"
+#include "qemu/host-utils.h"
+#include "qemu/processor.h"
+
+struct thread_info {
+ uint64_t r;
+ uint64_t accesses;
+} QEMU_ALIGNED(64);
+
+struct count {
+ int64_t i64;
+} QEMU_ALIGNED(64);
+
+static QemuThread *threads;
+static struct thread_info *th_info;
+static unsigned int n_threads = 1;
+static unsigned int n_ready_threads;
+static struct count *counts;
+static unsigned int duration = 1;
+static unsigned int range = 1024;
+static bool test_start;
+static bool test_stop;
+
+static const char commands_string[] =
+ " -d = duration in seconds\n"
+ " -n = number of threads\n"
+ " -r = range (will be rounded up to pow2)";
+
+static void usage_complete(char *argv[])
+{
+ fprintf(stderr, "Usage: %s [options]\n", argv[0]);
+ fprintf(stderr, "options:\n%s\n", commands_string);
+}
+
+/*
+ * From: https://en.wikipedia.org/wiki/Xorshift
+ * This is faster than rand_r(), and gives us a wider range (RAND_MAX is only
+ * guaranteed to be >= INT_MAX).
+ */
+static uint64_t xorshift64star(uint64_t x)
+{
+ x ^= x >> 12; /* a */
+ x ^= x << 25; /* b */
+ x ^= x >> 27; /* c */
+ return x * UINT64_C(2685821657736338717);
+}
+
+static void *thread_func(void *arg)
+{
+ struct thread_info *info = arg;
+
+ qatomic_inc(&n_ready_threads);
+ while (!qatomic_read(&test_start)) {
+ cpu_relax();
+ }
+
+ while (!qatomic_read(&test_stop)) {
+ unsigned int index;
+
+ info->r = xorshift64star(info->r);
+ index = info->r & (range - 1);
+ qatomic_read_i64(&counts[index].i64);
+ info->accesses++;
+ }
+ return NULL;
+}
+
+static void run_test(void)
+{
+ unsigned int i;
+
+ while (qatomic_read(&n_ready_threads) != n_threads) {
+ cpu_relax();
+ }
+
+ qatomic_set(&test_start, true);
+ g_usleep(duration * G_USEC_PER_SEC);
+ qatomic_set(&test_stop, true);
+
+ for (i = 0; i < n_threads; i++) {
+ qemu_thread_join(&threads[i]);
+ }
+}
+
+static void create_threads(void)
+{
+ unsigned int i;
+
+ threads = g_new(QemuThread, n_threads);
+ th_info = g_new(struct thread_info, n_threads);
+ counts = g_malloc0_n(range, sizeof(*counts));
+
+ for (i = 0; i < n_threads; i++) {
+ struct thread_info *info = &th_info[i];
+
+ info->r = (i + 1) ^ time(NULL);
+ info->accesses = 0;
+ qemu_thread_create(&threads[i], NULL, thread_func, info,
+ QEMU_THREAD_JOINABLE);
+ }
+}
+
+static void pr_params(void)
+{
+ printf("Parameters:\n");
+ printf(" # of threads: %u\n", n_threads);
+ printf(" duration: %u\n", duration);
+ printf(" ops' range: %u\n", range);
+}
+
+static void pr_stats(void)
+{
+ unsigned long long val = 0;
+ double tx;
+ int i;
+
+ for (i = 0; i < n_threads; i++) {
+ val += th_info[i].accesses;
+ }
+ tx = val / duration / 1e6;
+
+ printf("Results:\n");
+ printf("Duration: %u s\n", duration);
+ printf(" Throughput: %.2f Mops/s\n", tx);
+ printf(" Throughput/thread: %.2f Mops/s/thread\n", tx / n_threads);
+}
+
+static void parse_args(int argc, char *argv[])
+{
+ int c;
+
+ for (;;) {
+ c = getopt(argc, argv, "hd:n:r:");
+ if (c < 0) {
+ break;
+ }
+ switch (c) {
+ case 'h':
+ usage_complete(argv);
+ exit(0);
+ case 'd':
+ duration = atoi(optarg);
+ break;
+ case 'n':
+ n_threads = atoi(optarg);
+ break;
+ case 'r':
+ range = pow2ceil(atoi(optarg));
+ break;
+ }
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ parse_args(argc, argv);
+ pr_params();
+ create_threads();
+ run_test();
+ pr_stats();
+ return 0;
+}
diff --git a/tests/bench/atomic_add-bench.c b/tests/bench/atomic_add-bench.c
new file mode 100644
index 0000000000..f05471ab45
--- /dev/null
+++ b/tests/bench/atomic_add-bench.c
@@ -0,0 +1,180 @@
+#include "qemu/osdep.h"
+#include "qemu/thread.h"
+#include "qemu/host-utils.h"
+#include "qemu/processor.h"
+
+struct thread_info {
+ uint64_t r;
+} QEMU_ALIGNED(64);
+
+struct count {
+ QemuMutex lock;
+ unsigned long val;
+} QEMU_ALIGNED(64);
+
+static QemuThread *threads;
+static struct thread_info *th_info;
+static unsigned int n_threads = 1;
+static unsigned int n_ready_threads;
+static struct count *counts;
+static unsigned int duration = 1;
+static unsigned int range = 1024;
+static bool use_mutex;
+static bool test_start;
+static bool test_stop;
+
+static const char commands_string[] =
+ " -n = number of threads\n"
+ " -m = use mutexes instead of atomic increments\n"
+ " -p = enable sync profiler\n"
+ " -d = duration in seconds\n"
+ " -r = range (will be rounded up to pow2)";
+
+static void usage_complete(char *argv[])
+{
+ fprintf(stderr, "Usage: %s [options]\n", argv[0]);
+ fprintf(stderr, "options:\n%s\n", commands_string);
+}
+
+/*
+ * From: https://en.wikipedia.org/wiki/Xorshift
+ * This is faster than rand_r(), and gives us a wider range (RAND_MAX is only
+ * guaranteed to be >= INT_MAX).
+ */
+static uint64_t xorshift64star(uint64_t x)
+{
+ x ^= x >> 12; /* a */
+ x ^= x << 25; /* b */
+ x ^= x >> 27; /* c */
+ return x * UINT64_C(2685821657736338717);
+}
+
+static void *thread_func(void *arg)
+{
+ struct thread_info *info = arg;
+
+ qatomic_inc(&n_ready_threads);
+ while (!qatomic_read(&test_start)) {
+ cpu_relax();
+ }
+
+ while (!qatomic_read(&test_stop)) {
+ unsigned int index;
+
+ info->r = xorshift64star(info->r);
+ index = info->r & (range - 1);
+ if (use_mutex) {
+ qemu_mutex_lock(&counts[index].lock);
+ counts[index].val += 1;
+ qemu_mutex_unlock(&counts[index].lock);
+ } else {
+ qatomic_inc(&counts[index].val);
+ }
+ }
+ return NULL;
+}
+
+static void run_test(void)
+{
+ unsigned int i;
+
+ while (qatomic_read(&n_ready_threads) != n_threads) {
+ cpu_relax();
+ }
+
+ qatomic_set(&test_start, true);
+ g_usleep(duration * G_USEC_PER_SEC);
+ qatomic_set(&test_stop, true);
+
+ for (i = 0; i < n_threads; i++) {
+ qemu_thread_join(&threads[i]);
+ }
+}
+
+static void create_threads(void)
+{
+ unsigned int i;
+
+ threads = g_new(QemuThread, n_threads);
+ th_info = g_new(struct thread_info, n_threads);
+ counts = qemu_memalign(64, sizeof(*counts) * range);
+ memset(counts, 0, sizeof(*counts) * range);
+ for (i = 0; i < range; i++) {
+ qemu_mutex_init(&counts[i].lock);
+ }
+
+ for (i = 0; i < n_threads; i++) {
+ struct thread_info *info = &th_info[i];
+
+ info->r = (i + 1) ^ time(NULL);
+ qemu_thread_create(&threads[i], NULL, thread_func, info,
+ QEMU_THREAD_JOINABLE);
+ }
+}
+
+static void pr_params(void)
+{
+ printf("Parameters:\n");
+ printf(" # of threads: %u\n", n_threads);
+ printf(" duration: %u\n", duration);
+ printf(" ops' range: %u\n", range);
+}
+
+static void pr_stats(void)
+{
+ unsigned long long val = 0;
+ unsigned int i;
+ double tx;
+
+ for (i = 0; i < range; i++) {
+ val += counts[i].val;
+ }
+ tx = val / duration / 1e6;
+
+ printf("Results:\n");
+ printf("Duration: %u s\n", duration);
+ printf(" Throughput: %.2f Mops/s\n", tx);
+ printf(" Throughput/thread: %.2f Mops/s/thread\n", tx / n_threads);
+}
+
+static void parse_args(int argc, char *argv[])
+{
+ int c;
+
+ for (;;) {
+ c = getopt(argc, argv, "hd:n:mpr:");
+ if (c < 0) {
+ break;
+ }
+ switch (c) {
+ case 'h':
+ usage_complete(argv);
+ exit(0);
+ case 'd':
+ duration = atoi(optarg);
+ break;
+ case 'n':
+ n_threads = atoi(optarg);
+ break;
+ case 'm':
+ use_mutex = true;
+ break;
+ case 'p':
+ qsp_enable();
+ break;
+ case 'r':
+ range = pow2ceil(atoi(optarg));
+ break;
+ }
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ parse_args(argc, argv);
+ pr_params();
+ create_threads();
+ run_test();
+ pr_stats();
+ return 0;
+}
diff --git a/tests/bench/benchmark-crypto-cipher.c b/tests/bench/benchmark-crypto-cipher.c
new file mode 100644
index 0000000000..c04f0a0fba
--- /dev/null
+++ b/tests/bench/benchmark-crypto-cipher.c
@@ -0,0 +1,208 @@
+/*
+ * QEMU Crypto cipher speed benchmark
+ *
+ * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ * Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version. See the COPYING file in the
+ * top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "crypto/init.h"
+#include "crypto/cipher.h"
+
+static void test_cipher_speed(size_t chunk_size,
+ QCryptoCipherMode mode,
+ QCryptoCipherAlgorithm alg)
+{
+ QCryptoCipher *cipher;
+ Error *err = NULL;
+ uint8_t *key = NULL, *iv = NULL;
+ uint8_t *plaintext = NULL, *ciphertext = NULL;
+ size_t nkey;
+ size_t niv;
+ const size_t total = 2 * GiB;
+ size_t remain;
+
+ if (!qcrypto_cipher_supports(alg, mode)) {
+ return;
+ }
+
+ nkey = qcrypto_cipher_get_key_len(alg);
+ niv = qcrypto_cipher_get_iv_len(alg, mode);
+ if (mode == QCRYPTO_CIPHER_MODE_XTS) {
+ nkey *= 2;
+ }
+
+ key = g_new0(uint8_t, nkey);
+ memset(key, g_test_rand_int(), nkey);
+
+ iv = g_new0(uint8_t, niv);
+ memset(iv, g_test_rand_int(), niv);
+
+ ciphertext = g_new0(uint8_t, chunk_size);
+
+ plaintext = g_new0(uint8_t, chunk_size);
+ memset(plaintext, g_test_rand_int(), chunk_size);
+
+ cipher = qcrypto_cipher_new(alg, mode,
+ key, nkey, &err);
+ g_assert(cipher != NULL);
+
+ if (mode != QCRYPTO_CIPHER_MODE_ECB)
+ g_assert(qcrypto_cipher_setiv(cipher,
+ iv, niv,
+ &err) == 0);
+
+ g_test_timer_start();
+ remain = total;
+ while (remain) {
+ g_assert(qcrypto_cipher_encrypt(cipher,
+ plaintext,
+ ciphertext,
+ chunk_size,
+ &err) == 0);
+ remain -= chunk_size;
+ }
+ g_test_timer_elapsed();
+
+ g_test_message("enc(%s-%s) chunk %zu bytes %.2f MB/sec ",
+ QCryptoCipherAlgorithm_str(alg),
+ QCryptoCipherMode_str(mode),
+ chunk_size, (double)total / MiB / g_test_timer_last());
+
+ g_test_timer_start();
+ remain = total;
+ while (remain) {
+ g_assert(qcrypto_cipher_decrypt(cipher,
+ plaintext,
+ ciphertext,
+ chunk_size,
+ &err) == 0);
+ remain -= chunk_size;
+ }
+ g_test_timer_elapsed();
+
+ g_test_message("dec(%s-%s) chunk %zu bytes %.2f MB/sec ",
+ QCryptoCipherAlgorithm_str(alg),
+ QCryptoCipherMode_str(mode),
+ chunk_size, (double)total / MiB / g_test_timer_last());
+
+ qcrypto_cipher_free(cipher);
+ g_free(plaintext);
+ g_free(ciphertext);
+ g_free(iv);
+ g_free(key);
+}
+
+
+static void test_cipher_speed_ecb_aes_128(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_ECB,
+ QCRYPTO_CIPHER_ALG_AES_128);
+}
+
+static void test_cipher_speed_ecb_aes_256(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_ECB,
+ QCRYPTO_CIPHER_ALG_AES_256);
+}
+
+static void test_cipher_speed_cbc_aes_128(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_CBC,
+ QCRYPTO_CIPHER_ALG_AES_128);
+}
+
+static void test_cipher_speed_cbc_aes_256(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_CBC,
+ QCRYPTO_CIPHER_ALG_AES_256);
+}
+
+static void test_cipher_speed_ctr_aes_128(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_CTR,
+ QCRYPTO_CIPHER_ALG_AES_128);
+}
+
+static void test_cipher_speed_ctr_aes_256(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_CTR,
+ QCRYPTO_CIPHER_ALG_AES_256);
+}
+
+static void test_cipher_speed_xts_aes_128(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_XTS,
+ QCRYPTO_CIPHER_ALG_AES_128);
+}
+
+static void test_cipher_speed_xts_aes_256(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ test_cipher_speed(chunk_size,
+ QCRYPTO_CIPHER_MODE_XTS,
+ QCRYPTO_CIPHER_ALG_AES_256);
+}
+
+
+int main(int argc, char **argv)
+{
+ char *alg = NULL;
+ char *size = NULL;
+ g_test_init(&argc, &argv, NULL);
+ g_assert(qcrypto_init(NULL) == 0);
+
+#define ADD_TEST(mode, cipher, keysize, chunk) \
+ if ((!alg || g_str_equal(alg, #mode)) && \
+ (!size || g_str_equal(size, #chunk))) \
+ g_test_add_data_func( \
+ "/crypto/cipher/" #mode "-" #cipher "-" #keysize "/chunk-" #chunk, \
+ (void *)chunk, \
+ test_cipher_speed_ ## mode ## _ ## cipher ## _ ## keysize)
+
+ if (argc >= 2) {
+ alg = argv[1];
+ }
+ if (argc >= 3) {
+ size = argv[2];
+ }
+
+#define ADD_TESTS(chunk) \
+ do { \
+ ADD_TEST(ecb, aes, 128, chunk); \
+ ADD_TEST(ecb, aes, 256, chunk); \
+ ADD_TEST(cbc, aes, 128, chunk); \
+ ADD_TEST(cbc, aes, 256, chunk); \
+ ADD_TEST(ctr, aes, 128, chunk); \
+ ADD_TEST(ctr, aes, 256, chunk); \
+ ADD_TEST(xts, aes, 128, chunk); \
+ ADD_TEST(xts, aes, 256, chunk); \
+ } while (0)
+
+ ADD_TESTS(512);
+ ADD_TESTS(4096);
+ ADD_TESTS(16384);
+ ADD_TESTS(65536);
+
+ return g_test_run();
+}
diff --git a/tests/bench/benchmark-crypto-hash.c b/tests/bench/benchmark-crypto-hash.c
new file mode 100644
index 0000000000..927b00bb4d
--- /dev/null
+++ b/tests/bench/benchmark-crypto-hash.c
@@ -0,0 +1,116 @@
+/*
+ * QEMU Crypto hash speed benchmark
+ *
+ * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ * Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version. See the COPYING file in the
+ * top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "crypto/init.h"
+#include "crypto/hash.h"
+
+typedef struct QCryptoHashOpts {
+ size_t chunk_size;
+ QCryptoHashAlgorithm alg;
+} QCryptoHashOpts;
+
+static void test_hash_speed(const void *opaque)
+{
+ const QCryptoHashOpts *opts = opaque;
+ uint8_t *in = NULL, *out = NULL;
+ size_t out_len = 0;
+ const size_t total = 2 * GiB;
+ size_t remain;
+ struct iovec iov;
+ int ret;
+
+ in = g_new0(uint8_t, opts->chunk_size);
+ memset(in, g_test_rand_int(), opts->chunk_size);
+
+ iov.iov_base = (char *)in;
+ iov.iov_len = opts->chunk_size;
+
+ g_test_timer_start();
+ remain = total;
+ while (remain) {
+ ret = qcrypto_hash_bytesv(opts->alg,
+ &iov, 1, &out, &out_len,
+ NULL);
+ g_assert(ret == 0);
+
+ remain -= opts->chunk_size;
+ }
+ g_test_timer_elapsed();
+
+ g_test_message("hash(%s): chunk %zu bytes %.2f MB/sec",
+ QCryptoHashAlgorithm_str(opts->alg),
+ opts->chunk_size, total / g_test_timer_last());
+
+ g_free(out);
+ g_free(in);
+}
+
+int main(int argc, char **argv)
+{
+ char name[64];
+
+ g_test_init(&argc, &argv, NULL);
+ g_assert(qcrypto_init(NULL) == 0);
+
+#define TEST_ONE(a, c) \
+ QCryptoHashOpts opts ## a ## c = { \
+ .alg = QCRYPTO_HASH_ALG_ ## a, .chunk_size = c, \
+ }; \
+ memset(name, 0 , sizeof(name)); \
+ snprintf(name, sizeof(name), \
+ "/crypto/benchmark/hash/%s/bufsize-%d", \
+ QCryptoHashAlgorithm_str(QCRYPTO_HASH_ALG_ ## a), \
+ c); \
+ if (qcrypto_hash_supports(QCRYPTO_HASH_ALG_ ## a)) \
+ g_test_add_data_func(name, \
+ &opts ## a ## c, \
+ test_hash_speed);
+
+ TEST_ONE(MD5, 512);
+ TEST_ONE(MD5, 1024);
+ TEST_ONE(MD5, 4096);
+ TEST_ONE(MD5, 16384);
+
+ TEST_ONE(SHA1, 512);
+ TEST_ONE(SHA1, 1024);
+ TEST_ONE(SHA1, 4096);
+ TEST_ONE(SHA1, 16384);
+
+ TEST_ONE(SHA224, 512);
+ TEST_ONE(SHA224, 1024);
+ TEST_ONE(SHA224, 4096);
+ TEST_ONE(SHA224, 16384);
+
+ TEST_ONE(SHA384, 512);
+ TEST_ONE(SHA384, 1024);
+ TEST_ONE(SHA384, 4096);
+ TEST_ONE(SHA384, 16384);
+
+ TEST_ONE(SHA256, 512);
+ TEST_ONE(SHA256, 1024);
+ TEST_ONE(SHA256, 4096);
+ TEST_ONE(SHA256, 16384);
+
+ TEST_ONE(SHA512, 512);
+ TEST_ONE(SHA512, 1024);
+ TEST_ONE(SHA512, 4096);
+ TEST_ONE(SHA512, 16384);
+
+ TEST_ONE(RIPEMD160, 512);
+ TEST_ONE(RIPEMD160, 1024);
+ TEST_ONE(RIPEMD160, 4096);
+ TEST_ONE(RIPEMD160, 16384);
+
+ return g_test_run();
+}
diff --git a/tests/bench/benchmark-crypto-hmac.c b/tests/bench/benchmark-crypto-hmac.c
new file mode 100644
index 0000000000..5cca636789
--- /dev/null
+++ b/tests/bench/benchmark-crypto-hmac.c
@@ -0,0 +1,81 @@
+/*
+ * QEMU Crypto hmac speed benchmark
+ *
+ * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ * Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version. See the COPYING file in the
+ * top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "crypto/init.h"
+#include "crypto/hmac.h"
+
+#define KEY "monkey monkey monkey monkey"
+
+static void test_hmac_speed(const void *opaque)
+{
+ size_t chunk_size = (size_t)opaque;
+ QCryptoHmac *hmac = NULL;
+ uint8_t *in = NULL, *out = NULL;
+ size_t out_len = 0;
+ double total = 0.0;
+ struct iovec iov;
+ Error *err = NULL;
+ int ret;
+
+ if (!qcrypto_hmac_supports(QCRYPTO_HASH_ALG_SHA256)) {
+ return;
+ }
+
+ in = g_new0(uint8_t, chunk_size);
+ memset(in, g_test_rand_int(), chunk_size);
+
+ iov.iov_base = (char *)in;
+ iov.iov_len = chunk_size;
+
+ g_test_timer_start();
+ do {
+ hmac = qcrypto_hmac_new(QCRYPTO_HASH_ALG_SHA256,
+ (const uint8_t *)KEY, strlen(KEY), &err);
+ g_assert(err == NULL);
+ g_assert(hmac != NULL);
+
+ ret = qcrypto_hmac_bytesv(hmac, &iov, 1, &out, &out_len, &err);
+ g_assert(ret == 0);
+ g_assert(err == NULL);
+
+ qcrypto_hmac_free(hmac);
+
+ total += chunk_size;
+ } while (g_test_timer_elapsed() < 5.0);
+
+ total /= MiB;
+ g_test_message("hmac(%s): chunk %zu bytes %.2f MB/sec",
+ QCryptoHashAlgorithm_str(QCRYPTO_HASH_ALG_SHA256),
+ chunk_size, total / g_test_timer_last());
+
+ g_free(out);
+ g_free(in);
+}
+
+int main(int argc, char **argv)
+{
+ size_t i;
+ char name[64];
+
+ g_test_init(&argc, &argv, NULL);
+ g_assert(qcrypto_init(NULL) == 0);
+
+ for (i = 512; i <= 64 * KiB; i *= 2) {
+ memset(name, 0 , sizeof(name));
+ snprintf(name, sizeof(name), "/crypto/hmac/speed-%zu", i);
+ g_test_add_data_func(name, (void *)i, test_hmac_speed);
+ }
+
+ return g_test_run();
+}
diff --git a/tests/bench/meson.build b/tests/bench/meson.build
new file mode 100644
index 0000000000..00b3c209dc
--- /dev/null
+++ b/tests/bench/meson.build
@@ -0,0 +1,34 @@
+
+qht_bench = executable('qht-bench',
+ sources: 'qht-bench.c',
+ dependencies: [qemuutil])
+
+executable('atomic_add-bench',
+ sources: files('atomic_add-bench.c'),
+ dependencies: [qemuutil],
+ build_by_default: false)
+
+executable('atomic64-bench',
+ sources: files('atomic64-bench.c'),
+ dependencies: [qemuutil],
+ build_by_default: false)
+
+benchs = {}
+
+if have_block
+ benchs += {
+ 'benchmark-crypto-hash': [crypto],
+ 'benchmark-crypto-hmac': [crypto],
+ 'benchmark-crypto-cipher': [crypto],
+ }
+endif
+
+foreach bench_name, deps: benchs
+ exe = executable(bench_name, bench_name + '.c',
+ dependencies: [qemuutil] + deps)
+ benchmark(bench_name, exe,
+ args: ['--tap', '-k'],
+ protocol: 'tap',
+ timeout: 0,
+ suite: ['speed'])
+endforeach
diff --git a/tests/bench/qht-bench.c b/tests/bench/qht-bench.c
new file mode 100644
index 0000000000..2e5b70ccd0
--- /dev/null
+++ b/tests/bench/qht-bench.c
@@ -0,0 +1,523 @@
+/*
+ * Copyright (C) 2016, Emilio G. Cota <cota@braap.org>
+ *
+ * License: GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "qemu/processor.h"
+#include "qemu/atomic.h"
+#include "qemu/qht.h"
+#include "qemu/rcu.h"
+#include "qemu/xxhash.h"
+
+struct thread_stats {
+ size_t rd;
+ size_t not_rd;
+ size_t in;
+ size_t not_in;
+ size_t rm;
+ size_t not_rm;
+ size_t rz;
+ size_t not_rz;
+};
+
+struct thread_info {
+ void (*func)(struct thread_info *);
+ struct thread_stats stats;
+ /*
+ * Seed is in the range [1..UINT64_MAX], because the RNG requires
+ * a non-zero seed. To use, subtract 1 and compare against the
+ * threshold with </>=. This lets threshold = 0 never match (0% hit),
+ * and threshold = UINT64_MAX always match (100% hit).
+ */
+ uint64_t seed;
+ bool write_op; /* writes alternate between insertions and removals */
+ bool resize_down;
+} QEMU_ALIGNED(64); /* avoid false sharing among threads */
+
+static struct qht ht;
+static QemuThread *rw_threads;
+
+#define DEFAULT_RANGE (4096)
+#define DEFAULT_QHT_N_ELEMS DEFAULT_RANGE
+
+static unsigned int duration = 1;
+static unsigned int n_rw_threads = 1;
+static unsigned long lookup_range = DEFAULT_RANGE;
+static unsigned long update_range = DEFAULT_RANGE;
+static size_t init_range = DEFAULT_RANGE;
+static size_t init_size = DEFAULT_RANGE;
+static size_t n_ready_threads;
+static long populate_offset;
+static long *keys;
+
+static size_t resize_min;
+static size_t resize_max;
+static struct thread_info *rz_info;
+static unsigned long resize_delay = 1000;
+static double resize_rate; /* 0.0 to 1.0 */
+static unsigned int n_rz_threads = 1;
+static QemuThread *rz_threads;
+static bool precompute_hash;
+
+static double update_rate; /* 0.0 to 1.0 */
+static uint64_t update_threshold;
+static uint64_t resize_threshold;
+
+static size_t qht_n_elems = DEFAULT_QHT_N_ELEMS;
+static int qht_mode;
+
+static bool test_start;
+static bool test_stop;
+
+static struct thread_info *rw_info;
+
+static const char commands_string[] =
+ " -d = duration, in seconds\n"
+ " -n = number of threads\n"
+ "\n"
+ " -o = offset at which keys start\n"
+ " -p = precompute hashes\n"
+ "\n"
+ " -g = set -s,-k,-K,-l,-r to the same value\n"
+ " -s = initial size hint\n"
+ " -k = initial number of keys\n"
+ " -K = initial range of keys (will be rounded up to pow2)\n"
+ " -l = lookup range of keys (will be rounded up to pow2)\n"
+ " -r = update range of keys (will be rounded up to pow2)\n"
+ "\n"
+ " -u = update rate (0.0 to 100.0), 50/50 split of insertions/removals\n"
+ "\n"
+ " -R = enable auto-resize\n"
+ " -S = resize rate (0.0 to 100.0)\n"
+ " -D = delay (in us) between potential resizes\n"
+ " -N = number of resize threads";
+
+static void usage_complete(int argc, char *argv[])
+{
+ fprintf(stderr, "Usage: %s [options]\n", argv[0]);
+ fprintf(stderr, "options:\n%s\n", commands_string);
+ exit(-1);
+}
+
+static bool is_equal(const void *ap, const void *bp)
+{
+ const long *a = ap;
+ const long *b = bp;
+
+ return *a == *b;
+}
+
+static uint32_t h(unsigned long v)
+{
+ return qemu_xxhash2(v);
+}
+
+static uint32_t hval(unsigned long v)
+{
+ return v;
+}
+
+static uint32_t (*hfunc)(unsigned long v) = h;
+
+/*
+ * From: https://en.wikipedia.org/wiki/Xorshift
+ * This is faster than rand_r(), and gives us a wider range (RAND_MAX is only
+ * guaranteed to be >= INT_MAX).
+ */
+static uint64_t xorshift64star(uint64_t x)
+{
+ x ^= x >> 12; /* a */
+ x ^= x << 25; /* b */
+ x ^= x >> 27; /* c */
+ return x * UINT64_C(2685821657736338717);
+}
+
+static void do_rz(struct thread_info *info)
+{
+ struct thread_stats *stats = &info->stats;
+ uint64_t r = info->seed - 1;
+
+ if (r < resize_threshold) {
+ size_t size = info->resize_down ? resize_min : resize_max;
+ bool resized;
+
+ resized = qht_resize(&ht, size);
+ info->resize_down = !info->resize_down;
+
+ if (resized) {
+ stats->rz++;
+ } else {
+ stats->not_rz++;
+ }
+ }
+ g_usleep(resize_delay);
+}
+
+static void do_rw(struct thread_info *info)
+{
+ struct thread_stats *stats = &info->stats;
+ uint64_t r = info->seed - 1;
+ uint32_t hash;
+ long *p;
+
+ if (r >= update_threshold) {
+ bool read;
+
+ p = &keys[r & (lookup_range - 1)];
+ hash = hfunc(*p);
+ read = qht_lookup(&ht, p, hash);
+ if (read) {
+ stats->rd++;
+ } else {
+ stats->not_rd++;
+ }
+ } else {
+ p = &keys[r & (update_range - 1)];
+ hash = hfunc(*p);
+ if (info->write_op) {
+ bool written = false;
+
+ if (qht_lookup(&ht, p, hash) == NULL) {
+ written = qht_insert(&ht, p, hash, NULL);
+ }
+ if (written) {
+ stats->in++;
+ } else {
+ stats->not_in++;
+ }
+ } else {
+ bool removed = false;
+
+ if (qht_lookup(&ht, p, hash)) {
+ removed = qht_remove(&ht, p, hash);
+ }
+ if (removed) {
+ stats->rm++;
+ } else {
+ stats->not_rm++;
+ }
+ }
+ info->write_op = !info->write_op;
+ }
+}
+
+static void *thread_func(void *p)
+{
+ struct thread_info *info = p;
+
+ rcu_register_thread();
+
+ qatomic_inc(&n_ready_threads);
+ while (!qatomic_read(&test_start)) {
+ cpu_relax();
+ }
+
+ rcu_read_lock();
+ while (!qatomic_read(&test_stop)) {
+ info->seed = xorshift64star(info->seed);
+ info->func(info);
+ }
+ rcu_read_unlock();
+
+ rcu_unregister_thread();
+ return NULL;
+}
+
+/* sets everything except info->func */
+static void prepare_thread_info(struct thread_info *info, int i)
+{
+ /* seed for the RNG; each thread should have a different one */
+ info->seed = (i + 1) ^ time(NULL);
+ /* the first update will be a write */
+ info->write_op = true;
+ /* the first resize will be down */
+ info->resize_down = true;
+
+ memset(&info->stats, 0, sizeof(info->stats));
+}
+
+static void
+th_create_n(QemuThread **threads, struct thread_info **infos, const char *name,
+ void (*func)(struct thread_info *), int offset, int n)
+{
+ struct thread_info *info;
+ QemuThread *th;
+ int i;
+
+ th = g_malloc(sizeof(*th) * n);
+ *threads = th;
+
+ info = qemu_memalign(64, sizeof(*info) * n);
+ *infos = info;
+
+ for (i = 0; i < n; i++) {
+ prepare_thread_info(&info[i], offset + i);
+ info[i].func = func;
+ qemu_thread_create(&th[i], name, thread_func, &info[i],
+ QEMU_THREAD_JOINABLE);
+ }
+}
+
+static void create_threads(void)
+{
+ th_create_n(&rw_threads, &rw_info, "rw", do_rw, 0, n_rw_threads);
+ th_create_n(&rz_threads, &rz_info, "rz", do_rz, n_rw_threads, n_rz_threads);
+}
+
+static void pr_params(void)
+{
+ printf("Parameters:\n");
+ printf(" duration: %d s\n", duration);
+ printf(" # of threads: %u\n", n_rw_threads);
+ printf(" initial # of keys: %zu\n", init_size);
+ printf(" initial size hint: %zu\n", qht_n_elems);
+ printf(" auto-resize: %s\n",
+ qht_mode & QHT_MODE_AUTO_RESIZE ? "on" : "off");
+ if (resize_rate) {
+ printf(" resize_rate: %f%%\n", resize_rate * 100.0);
+ printf(" resize range: %zu-%zu\n", resize_min, resize_max);
+ printf(" # resize threads %u\n", n_rz_threads);
+ }
+ printf(" update rate: %f%%\n", update_rate * 100.0);
+ printf(" offset: %ld\n", populate_offset);
+ printf(" initial key range: %zu\n", init_range);
+ printf(" lookup range: %lu\n", lookup_range);
+ printf(" update range: %lu\n", update_range);
+}
+
+static void do_threshold(double rate, uint64_t *threshold)
+{
+ /*
+ * For 0 <= rate <= 1, scale to fit in a uint64_t.
+ *
+ * Scale by 2**64, with a special case for 1.0.
+ * The remainder of the possible values are scattered between 0
+ * and 0xfffffffffffff800 (nextafter(0x1p64, 0)).
+ *
+ * Note that we cannot simply scale by UINT64_MAX, because that
+ * value is not representable as an IEEE double value.
+ *
+ * If we scale by the next largest value, nextafter(0x1p64, 0),
+ * then the remainder of the possible values are scattered between
+ * 0 and 0xfffffffffffff000. Which leaves us with a gap between
+ * the final two inputs that is twice as large as any other.
+ */
+ if (rate == 1.0) {
+ *threshold = UINT64_MAX;
+ } else {
+ *threshold = rate * 0x1p64;
+ }
+}
+
+static void htable_init(void)
+{
+ unsigned long n = MAX(init_range, update_range);
+ uint64_t r = time(NULL);
+ size_t retries = 0;
+ size_t i;
+
+ /* avoid allocating memory later by allocating all the keys now */
+ keys = g_malloc(sizeof(*keys) * n);
+ for (i = 0; i < n; i++) {
+ long val = populate_offset + i;
+
+ keys[i] = precompute_hash ? h(val) : hval(val);
+ }
+
+ /* some sanity checks */
+ g_assert_cmpuint(lookup_range, <=, n);
+
+ /* compute thresholds */
+ do_threshold(update_rate, &update_threshold);
+ do_threshold(resize_rate, &resize_threshold);
+
+ if (resize_rate) {
+ resize_min = n / 2;
+ resize_max = n;
+ assert(resize_min < resize_max);
+ } else {
+ n_rz_threads = 0;
+ }
+
+ /* initialize the hash table */
+ qht_init(&ht, is_equal, qht_n_elems, qht_mode);
+ assert(init_size <= init_range);
+
+ pr_params();
+
+ fprintf(stderr, "Initialization: populating %zu items...", init_size);
+ for (i = 0; i < init_size; i++) {
+ for (;;) {
+ uint32_t hash;
+ long *p;
+
+ r = xorshift64star(r);
+ p = &keys[r & (init_range - 1)];
+ hash = hfunc(*p);
+ if (qht_insert(&ht, p, hash, NULL)) {
+ break;
+ }
+ retries++;
+ }
+ }
+ fprintf(stderr, " populated after %zu retries\n", retries);
+}
+
+static void add_stats(struct thread_stats *s, struct thread_info *info, int n)
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ struct thread_stats *stats = &info[i].stats;
+
+ s->rd += stats->rd;
+ s->not_rd += stats->not_rd;
+
+ s->in += stats->in;
+ s->not_in += stats->not_in;
+
+ s->rm += stats->rm;
+ s->not_rm += stats->not_rm;
+
+ s->rz += stats->rz;
+ s->not_rz += stats->not_rz;
+ }
+}
+
+static void pr_stats(void)
+{
+ struct thread_stats s = {};
+ double tx;
+
+ add_stats(&s, rw_info, n_rw_threads);
+ add_stats(&s, rz_info, n_rz_threads);
+
+ printf("Results:\n");
+
+ if (resize_rate) {
+ printf(" Resizes: %zu (%.2f%% of %zu)\n",
+ s.rz, (double)s.rz / (s.rz + s.not_rz) * 100, s.rz + s.not_rz);
+ }
+
+ printf(" Read: %.2f M (%.2f%% of %.2fM)\n",
+ (double)s.rd / 1e6,
+ (double)s.rd / (s.rd + s.not_rd) * 100,
+ (double)(s.rd + s.not_rd) / 1e6);
+ printf(" Inserted: %.2f M (%.2f%% of %.2fM)\n",
+ (double)s.in / 1e6,
+ (double)s.in / (s.in + s.not_in) * 100,
+ (double)(s.in + s.not_in) / 1e6);
+ printf(" Removed: %.2f M (%.2f%% of %.2fM)\n",
+ (double)s.rm / 1e6,
+ (double)s.rm / (s.rm + s.not_rm) * 100,
+ (double)(s.rm + s.not_rm) / 1e6);
+
+ tx = (s.rd + s.not_rd + s.in + s.not_in + s.rm + s.not_rm) / 1e6 / duration;
+ printf(" Throughput: %.2f MT/s\n", tx);
+ printf(" Throughput/thread: %.2f MT/s/thread\n", tx / n_rw_threads);
+}
+
+static void run_test(void)
+{
+ int i;
+
+ while (qatomic_read(&n_ready_threads) != n_rw_threads + n_rz_threads) {
+ cpu_relax();
+ }
+
+ qatomic_set(&test_start, true);
+ g_usleep(duration * G_USEC_PER_SEC);
+ qatomic_set(&test_stop, true);
+
+ for (i = 0; i < n_rw_threads; i++) {
+ qemu_thread_join(&rw_threads[i]);
+ }
+ for (i = 0; i < n_rz_threads; i++) {
+ qemu_thread_join(&rz_threads[i]);
+ }
+}
+
+static void parse_args(int argc, char *argv[])
+{
+ int c;
+
+ for (;;) {
+ c = getopt(argc, argv, "d:D:g:k:K:l:hn:N:o:pr:Rs:S:u:");
+ if (c < 0) {
+ break;
+ }
+ switch (c) {
+ case 'd':
+ duration = atoi(optarg);
+ break;
+ case 'D':
+ resize_delay = atol(optarg);
+ break;
+ case 'g':
+ init_range = pow2ceil(atol(optarg));
+ lookup_range = pow2ceil(atol(optarg));
+ update_range = pow2ceil(atol(optarg));
+ qht_n_elems = atol(optarg);
+ init_size = atol(optarg);
+ break;
+ case 'h':
+ usage_complete(argc, argv);
+ exit(0);
+ case 'k':
+ init_size = atol(optarg);
+ break;
+ case 'K':
+ init_range = pow2ceil(atol(optarg));
+ break;
+ case 'l':
+ lookup_range = pow2ceil(atol(optarg));
+ break;
+ case 'n':
+ n_rw_threads = atoi(optarg);
+ break;
+ case 'N':
+ n_rz_threads = atoi(optarg);
+ break;
+ case 'o':
+ populate_offset = atol(optarg);
+ break;
+ case 'p':
+ precompute_hash = true;
+ hfunc = hval;
+ break;
+ case 'r':
+ update_range = pow2ceil(atol(optarg));
+ break;
+ case 'R':
+ qht_mode |= QHT_MODE_AUTO_RESIZE;
+ break;
+ case 's':
+ qht_n_elems = atol(optarg);
+ break;
+ case 'S':
+ resize_rate = atof(optarg) / 100.0;
+ if (resize_rate > 1.0) {
+ resize_rate = 1.0;
+ }
+ break;
+ case 'u':
+ update_rate = atof(optarg) / 100.0;
+ if (update_rate > 1.0) {
+ update_rate = 1.0;
+ }
+ break;
+ }
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ parse_args(argc, argv);
+ htable_init();
+ create_threads();
+ run_test();
+ pr_stats();
+ return 0;
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-25 05:29:43 +0000