diff mbox series

[v5,12/12] test/fib: add FIB library ipv6 performance autotests

Message ID de543f02c7c80be474178672cecf414a224eb1cd.1568221365.git.vladimir.medvedkin@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series lib: add RIB and FIB liraries | expand

Checks

Context Check Description
ci/checkpatch warning coding style issues
ci/Intel-compilation success Compilation OK

Commit Message

Vladimir Medvedkin Sept. 11, 2019, 5:09 p.m. UTC
Performance ipv6 tests for the FIB library.

Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
---
 app/test/Makefile         |   1 +
 app/test/autotest_data.py |   6 ++
 app/test/meson.build      |   2 +
 app/test/test_fib6_perf.c | 157 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 166 insertions(+)
 create mode 100644 app/test/test_fib6_perf.c
diff mbox series

Patch

diff --git a/app/test/Makefile b/app/test/Makefile
index 3a3f920..f792858 100644
--- a/app/test/Makefile
+++ b/app/test/Makefile
@@ -129,6 +129,7 @@  SRCS-$(CONFIG_RTE_LIBRTE_RIB) += test_rib6.c
 SRCS-$(CONFIG_RTE_LIBRTE_FIB) += test_fib.c
 SRCS-$(CONFIG_RTE_LIBRTE_FIB) += test_fib6.c
 SRCS-$(CONFIG_RTE_LIBRTE_FIB) += test_fib_perf.c
+SRCS-$(CONFIG_RTE_LIBRTE_FIB) += test_fib6_perf.c
 
 SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm.c
 SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm_perf.c
diff --git a/app/test/autotest_data.py b/app/test/autotest_data.py
index 7668203..692b55a 100644
--- a/app/test/autotest_data.py
+++ b/app/test/autotest_data.py
@@ -713,6 +713,12 @@ 
         "Report":  None,
     },
     {
+        "Name":    "FIB6 perf autotest",
+        "Command": "fib6_perf_autotest",
+        "Func":    default_autotest,
+        "Report":  None,
+    },
+    {
          "Name":    "Efd perf autotest",
          "Command": "efd_perf_autotest",
          "Func":    default_autotest,
diff --git a/app/test/meson.build b/app/test/meson.build
index e95e7cb..5942997 100644
--- a/app/test/meson.build
+++ b/app/test/meson.build
@@ -50,6 +50,7 @@  test_sources = files('commands.c',
 	'test_fib.c',
 	'test_fib_perf.c',
 	'test_fib6.c',
+	'test_fib6_perf.c',
 	'test_func_reentrancy.c',
 	'test_flow_classify.c',
 	'test_hash.c',
@@ -266,6 +267,7 @@  perf_test_names = [
         'member_perf_autotest',
         'efd_perf_autotest',
         'lpm6_perf_autotest',
+        'fib6_perf_autotest',
         'rcu_qsbr_perf_autotest',
         'red_perf',
         'distributor_perf_autotest',
diff --git a/app/test/test_fib6_perf.c b/app/test/test_fib6_perf.c
new file mode 100644
index 0000000..56c799b
--- /dev/null
+++ b/app/test/test_fib6_perf.c
@@ -0,0 +1,157 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <rte_cycles.h>
+#include <rte_random.h>
+#include <rte_memory.h>
+#include <rte_fib6.h>
+
+#include "test.h"
+#include "test_lpm6_data.h"
+
+#define TEST_FIB_ASSERT(cond) do {				\
+	if (!(cond)) {						\
+		printf("Error at line %d:\n", __LINE__);	\
+		return -1;					\
+	}							\
+} while (0)
+
+#define ITERATIONS (1 << 10)
+#define BATCH_SIZE 100000
+#define NUMBER_TBL8S                                           (1 << 16)
+
+static void
+print_route_distribution(const struct rules_tbl_entry *table, uint32_t n)
+{
+	unsigned int i, j;
+
+	printf("Route distribution per prefix width:\n");
+	printf("DEPTH    QUANTITY (PERCENT)\n");
+	printf("---------------------------\n");
+
+	/* Count depths. */
+	for (i = 1; i <= 128; i++) {
+		unsigned int depth_counter = 0;
+		double percent_hits;
+
+		for (j = 0; j < n; j++)
+			if (table[j].depth == (uint8_t) i)
+				depth_counter++;
+
+		percent_hits = ((double)depth_counter)/((double)n) * 100;
+		printf("%.2u%15u (%.2f)\n", i, depth_counter, percent_hits);
+	}
+	printf("\n");
+}
+
+static inline uint8_t
+bits_in_nh(uint8_t nh_sz)
+{
+	return 8 * (1 << nh_sz);
+}
+
+static inline uint64_t
+get_max_nh(uint8_t nh_sz)
+{
+	return ((1ULL << (bits_in_nh(nh_sz) - 1)) - 1);
+}
+
+static int
+test_fib6_perf(void)
+{
+	struct rte_fib6 *fib = NULL;
+	struct rte_fib6_conf conf;
+	uint64_t begin, total_time;
+	unsigned int i, j;
+	uint64_t next_hop_add;
+	int status = 0;
+	int64_t count = 0;
+	uint8_t ip_batch[NUM_IPS_ENTRIES][16];
+	uint64_t next_hops[NUM_IPS_ENTRIES];
+
+	conf.type = RTE_FIB6_TRIE;
+	conf.default_nh = 0;
+	conf.max_routes = 1000000;
+	conf.trie.nh_sz = RTE_FIB6_TRIE_4B;
+	conf.trie.num_tbl8 = RTE_MIN(get_max_nh(conf.trie.nh_sz), 1000000U);
+
+	rte_srand(rte_rdtsc());
+
+	printf("No. routes = %u\n", (unsigned int) NUM_ROUTE_ENTRIES);
+
+	print_route_distribution(large_route_table,
+		(uint32_t)NUM_ROUTE_ENTRIES);
+
+	/* Only generate IPv6 address of each item in large IPS table,
+	 * here next_hop is not needed.
+	 */
+	generate_large_ips_table(0);
+
+	fib = rte_fib6_create(__func__, SOCKET_ID_ANY, &conf);
+	TEST_FIB_ASSERT(fib != NULL);
+
+	/* Measure add. */
+	begin = rte_rdtsc();
+
+	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
+		next_hop_add = (i & ((1 << 14) - 1)) + 1;
+		if (rte_fib6_add(fib, large_route_table[i].ip,
+				large_route_table[i].depth, next_hop_add) == 0)
+			status++;
+	}
+	/* End Timer. */
+	total_time = rte_rdtsc() - begin;
+
+	printf("Unique added entries = %d\n", status);
+	printf("Average FIB Add: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	/* Measure bulk Lookup */
+	total_time = 0;
+	count = 0;
+
+	for (i = 0; i < NUM_IPS_ENTRIES; i++)
+		memcpy(ip_batch[i], large_ips_table[i].ip, 16);
+
+	for (i = 0; i < ITERATIONS; i++) {
+
+		/* Lookup per batch */
+		begin = rte_rdtsc();
+		rte_fib6_lookup_bulk(fib, ip_batch, next_hops, NUM_IPS_ENTRIES);
+		total_time += rte_rdtsc() - begin;
+
+		for (j = 0; j < NUM_IPS_ENTRIES; j++)
+			if (next_hops[j] == 0)
+				count++;
+	}
+	printf("BULK FIB Lookup: %.1f cycles (fails = %.1f%%)\n",
+			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
+			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
+
+	/* Delete */
+	status = 0;
+	begin = rte_rdtsc();
+
+	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
+		/* rte_fib_delete(fib, ip, depth) */
+		status += rte_fib6_delete(fib, large_route_table[i].ip,
+				large_route_table[i].depth);
+	}
+
+	total_time = rte_rdtsc() - begin;
+
+	printf("Average FIB Delete: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	rte_fib6_free(fib);
+
+	return 0;
+}
+
+REGISTER_TEST_COMMAND(fib6_perf_autotest, test_fib6_perf);