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authorDamjan Marion <damarion@cisco.com>2019-04-05 19:42:21 +0200
committerDamjan Marion <dmarion@me.com>2019-04-11 08:35:41 +0000
commit61c0a3ddb84b8e43059c619299e12e9c098c7743 (patch)
tree552f6dc09a346819444ce790da521444f6490079 /src/plugins/unittest/crypto_test.c
parent90cf21b5d8fd2d3e531e841dcd752311df5f8a50 (diff)
crypto: add performace test to unittest plugin
Change-Id: I49c710c5ace24a4c1f083120fd4c2972566a1695 Signed-off-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Diffstat (limited to 'src/plugins/unittest/crypto_test.c')
-rw-r--r--src/plugins/unittest/crypto_test.c189
1 files changed, 188 insertions, 1 deletions
diff --git a/src/plugins/unittest/crypto_test.c b/src/plugins/unittest/crypto_test.c
index eb73e91e186..fba1e0696aa 100644
--- a/src/plugins/unittest/crypto_test.c
+++ b/src/plugins/unittest/crypto_test.c
@@ -258,10 +258,181 @@ test_crypto (vlib_main_t * vm, crypto_test_main_t * tm)
}
static clib_error_t *
+test_crypto_perf (vlib_main_t * vm, crypto_test_main_t * tm)
+{
+ vnet_crypto_main_t *cm = &crypto_main;
+ clib_error_t *err = 0;
+ u32 n_buffers, n_alloc = 0, warmup_rounds, rounds;
+ u32 *buffer_indices = 0;
+ vnet_crypto_op_t *ops1 = 0, *ops2 = 0, *op1, *op2;
+ vnet_crypto_alg_data_t *ad = vec_elt_at_index (cm->algs, tm->alg);
+ int buffer_size = vlib_buffer_get_default_data_size (vm);
+ u64 seed = clib_cpu_time_now ();
+ u64 t0[5], t1[5], t2[5], n_bytes = 0;
+ int i, j;
+ u8 *key;
+
+ if (tm->buffer_size > buffer_size)
+ return clib_error_return (0, "buffer size must be <= %u", buffer_size);
+
+ rounds = tm->rounds ? tm->rounds : 100;
+ n_buffers = tm->n_buffers ? tm->n_buffers : 256;
+ buffer_size = tm->buffer_size ? tm->buffer_size : 2048;
+ warmup_rounds = tm->warmup_rounds ? tm->warmup_rounds : 100;
+
+ if (buffer_size > vlib_buffer_get_default_data_size (vm))
+ return clib_error_return (0, "buffer size too big");
+
+ vec_validate_aligned (buffer_indices, n_buffers - 1, CLIB_CACHE_LINE_BYTES);
+ vec_validate_aligned (ops1, n_buffers - 1, CLIB_CACHE_LINE_BYTES);
+ vec_validate_aligned (ops2, n_buffers - 1, CLIB_CACHE_LINE_BYTES);
+
+ n_alloc = vlib_buffer_alloc (vm, buffer_indices, n_buffers);
+ if (n_alloc != n_buffers)
+ {
+ if (n_alloc)
+ vlib_buffer_free (vm, buffer_indices, n_alloc);
+ err = clib_error_return (0, "buffer alloc failure");
+ goto done;
+ }
+
+ vlib_cli_output (vm, "%U: n_buffers %u buffer-size %u rounds %u "
+ "warmup-rounds %u one-key %s",
+ format_vnet_crypto_alg, tm->alg, n_buffers, buffer_size,
+ rounds, warmup_rounds, tm->one_key ? "yes" : "no");
+ vlib_cli_output (vm, " cpu-freq %.2f GHz",
+ (f64) vm->clib_time.clocks_per_second * 1e-9);
+
+ vnet_crypto_op_type_t ot = 0;
+
+ for (i = 0; i < VNET_CRYPTO_OP_N_TYPES; i++)
+ {
+ vnet_crypto_op_id_t id = ad->op_by_type[i];
+ if (id == 0)
+ continue;
+ ot = i;
+ break;
+ }
+
+ for (i = 0; i < n_buffers; i++)
+ {
+ vlib_buffer_t *b = vlib_get_buffer (vm, buffer_indices[i]);
+ op1 = ops1 + i;
+ op2 = ops2 + i;
+ if (i == 0)
+ key = b->data - 32;
+
+ switch (ot)
+ {
+ case VNET_CRYPTO_OP_TYPE_ENCRYPT:
+ case VNET_CRYPTO_OP_TYPE_DECRYPT:
+ vnet_crypto_op_init (op1,
+ ad->op_by_type[VNET_CRYPTO_OP_TYPE_ENCRYPT]);
+ vnet_crypto_op_init (op2,
+ ad->op_by_type[VNET_CRYPTO_OP_TYPE_DECRYPT]);
+ op1->flags = VNET_CRYPTO_OP_FLAG_INIT_IV;
+ op1->src = op2->src = op1->dst = op2->dst = b->data;
+ op1->key = op2->key = tm->one_key ? key : b->data - 32;
+ op1->iv = op2->iv = b->data - 64;
+ n_bytes += op1->len = op2->len = buffer_size;
+ break;
+ case VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT:
+ case VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT:
+ vnet_crypto_op_init (op1,
+ ad->op_by_type
+ [VNET_CRYPTO_OP_TYPE_AEAD_ENCRYPT]);
+ vnet_crypto_op_init (op2,
+ ad->op_by_type
+ [VNET_CRYPTO_OP_TYPE_AEAD_DECRYPT]);
+ op1->flags = VNET_CRYPTO_OP_FLAG_INIT_IV;
+ op1->src = op2->src = op1->dst = op2->dst = b->data;
+ op1->key = op2->key = tm->one_key ? key : b->data - 32;
+ op1->iv = op2->iv = b->data - 64;
+ op1->aad = op2->aad = b->data - VLIB_BUFFER_PRE_DATA_SIZE;
+ op1->aad_len = op2->aad_len = 0;
+ n_bytes += op1->len = op2->len = buffer_size;
+ break;
+ case VNET_CRYPTO_OP_TYPE_HMAC:
+ vnet_crypto_op_init (op1, ad->op_by_type[VNET_CRYPTO_OP_TYPE_HMAC]);
+ op1->src = b->data;
+ op1->key = tm->one_key ? key : b->data - 32;
+ op1->iv = 0;
+ op1->digest = b->data - VLIB_BUFFER_PRE_DATA_SIZE;
+ op1->digest_len = 0;
+ n_bytes += op1->len = buffer_size;
+ break;
+ default:
+ return 0;
+ }
+
+ for (j = -VLIB_BUFFER_PRE_DATA_SIZE; j < buffer_size; j += 8)
+ *(u64 *) (b->data + j) = 1 + random_u64 (&seed);
+ }
+
+ for (i = 0; i < 5; i++)
+ {
+ for (j = 0; j < warmup_rounds; j++)
+ {
+ vnet_crypto_process_ops (vm, ops1, n_buffers);
+ if (ot != VNET_CRYPTO_OP_TYPE_HMAC)
+ vnet_crypto_process_ops (vm, ops2, n_buffers);
+ }
+
+ t0[i] = clib_cpu_time_now ();
+ for (j = 0; j < rounds; j++)
+ vnet_crypto_process_ops (vm, ops1, n_buffers);
+ t1[i] = clib_cpu_time_now ();
+
+ if (ot != VNET_CRYPTO_OP_TYPE_HMAC)
+ {
+ for (j = 0; j < rounds; j++)
+ vnet_crypto_process_ops (vm, ops2, n_buffers);
+ t2[i] = clib_cpu_time_now ();
+ }
+ }
+
+ for (i = 0; i < 5; i++)
+ {
+ f64 tpb1 = (f64) (t1[i] - t0[i]) / (n_bytes * rounds);
+ f64 gbps1 = vm->clib_time.clocks_per_second * 1e-9 * 8 / tpb1;
+ f64 tpb2, gbps2;
+
+ if (ot != VNET_CRYPTO_OP_TYPE_HMAC)
+ {
+ tpb2 = (f64) (t2[i] - t1[i]) / (n_bytes * rounds);
+ gbps2 = vm->clib_time.clocks_per_second * 1e-9 * 8 / tpb2;
+ vlib_cli_output (vm, "%-2u: encrypt %.03f ticks/byte, %.02f Gbps; "
+ "decrypt %.03f ticks/byte, %.02f Gbps",
+ i + 1, tpb1, gbps1, tpb2, gbps2);
+ }
+ else
+ {
+ vlib_cli_output (vm, "%-2u: hash %.03f ticks/byte, %.02f Gbps\n",
+ i + 1, tpb1, gbps1);
+ }
+ }
+
+done:
+ if (n_alloc)
+ vlib_buffer_free (vm, buffer_indices, n_alloc);
+ vec_free (buffer_indices);
+ vec_free (ops1);
+ vec_free (ops2);
+ return err;
+}
+
+static clib_error_t *
test_crypto_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
crypto_test_main_t *tm = &crypto_test_main;
+ unittest_crypto_test_registration_t *tr;
+ int is_perf = 0;
+
+ tr = tm->test_registrations;
+ memset (tm, 0, sizeof (crypto_test_main_t));
+ tm->test_registrations = tr;
+ tm->alg = ~0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
@@ -270,11 +441,27 @@ test_crypto_command_fn (vlib_main_t * vm,
else if (unformat (input, "detail"))
tm->verbose = 2;
else
+ if (unformat (input, "perf %U", unformat_vnet_crypto_alg, &tm->alg))
+ is_perf = 1;
+ else if (unformat (input, "buffers %u", &tm->n_buffers))
+ ;
+ else if (unformat (input, "rounds %u", &tm->rounds))
+ ;
+ else if (unformat (input, "warmup-rounds %u", &tm->warmup_rounds))
+ ;
+ else if (unformat (input, "buffer-size %u", &tm->buffer_size))
+ ;
+ else if (unformat (input, "one-key"))
+ tm->one_key = 1;
+ else
return clib_error_return (0, "unknown input '%U'",
format_unformat_error, input);
}
- return test_crypto (vm, tm);
+ if (is_perf)
+ return test_crypto_perf (vm, tm);
+ else
+ return test_crypto (vm, tm);
}
/* *INDENT-OFF* */