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* [dpdk-dev] [PATCH] app/test: isolate lpm performance cases
@ 2016-05-06 16:13 Thomas Monjalon
  2016-05-11 12:16 ` [dpdk-dev] [PATCH v2] " Thomas Monjalon
  0 siblings, 1 reply; 3+ messages in thread
From: Thomas Monjalon @ 2016-05-06 16:13 UTC (permalink / raw)
  To: dev

The LPM performance tests should not be mixed with
functional tests: they are long and show some statistics.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
---
 app/test/Makefile         |   2 +
 app/test/test_lpm.c       | 211 +--------------------------------------
 app/test/test_lpm6.c      | 155 +----------------------------
 app/test/test_lpm6_perf.c | 191 +++++++++++++++++++++++++++++++++++
 app/test/test_lpm_perf.c  | 249 ++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 448 insertions(+), 360 deletions(-)
 create mode 100644 app/test/test_lpm6_perf.c
 create mode 100644 app/test/test_lpm_perf.c

diff --git a/app/test/Makefile b/app/test/Makefile
index a4907d5..f269fe0 100644
--- a/app/test/Makefile
+++ b/app/test/Makefile
@@ -89,7 +89,9 @@ SRCS-$(CONFIG_RTE_LIBRTE_HASH) += test_hash_functions.c
 SRCS-$(CONFIG_RTE_LIBRTE_HASH) += test_hash_scaling.c
 
 SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm.c
+SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm_perf.c
 SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm6.c
+SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm6_perf.c
 
 SRCS-y += test_debug.c
 SRCS-y += test_errno.c
diff --git a/app/test/test_lpm.c b/app/test/test_lpm.c
index 40fbbc6..f6930fb 100644
--- a/app/test/test_lpm.c
+++ b/app/test/test_lpm.c
@@ -34,20 +34,10 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
-#include <errno.h>
-#include <sys/queue.h>
 
-#include <rte_common.h>
-#include <rte_cycles.h>
-#include <rte_memory.h>
-#include <rte_random.h>
-#include <rte_branch_prediction.h>
-#include <rte_ip.h>
-#include <time.h>
+#include <rte_lpm.h>
 
 #include "test.h"
-
-#include "rte_lpm.h"
 #include "test_lpm_routes.h"
 #include "test_xmmt_ops.h"
 
@@ -78,7 +68,6 @@ static int32_t test14(void);
 static int32_t test15(void);
 static int32_t test16(void);
 static int32_t test17(void);
-static int32_t perf_test(void);
 
 rte_lpm_test tests[] = {
 /* Test Cases */
@@ -100,7 +89,6 @@ rte_lpm_test tests[] = {
 	test15,
 	test16,
 	test17,
-	perf_test,
 };
 
 #define NUM_LPM_TESTS (sizeof(tests)/sizeof(tests[0]))
@@ -1230,202 +1218,7 @@ test17(void)
 }
 
 /*
- * Lookup performance test
- */
-
-#define ITERATIONS (1 << 10)
-#define BATCH_SIZE (1 << 12)
-#define BULK_SIZE 32
-
-static void
-print_route_distribution(const struct route_rule *table, uint32_t n)
-{
-	unsigned i, j;
-
-	printf("Route distribution per prefix width: \n");
-	printf("DEPTH    QUANTITY (PERCENT)\n");
-	printf("--------------------------- \n");
-
-	/* Count depths. */
-	for (i = 1; i <= 32; i++) {
-		unsigned 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");
-}
-
-int32_t
-perf_test(void)
-{
-	struct rte_lpm *lpm = NULL;
-	struct rte_lpm_config config;
-
-	config.max_rules = 1000000;
-	config.number_tbl8s = NUMBER_TBL8S;
-	config.flags = 0;
-	uint64_t begin, total_time, lpm_used_entries = 0;
-	unsigned i, j;
-	uint32_t next_hop_add = 0xAA, next_hop_return = 0;
-	int status = 0;
-	uint64_t cache_line_counter = 0;
-	int64_t count = 0;
-
-	rte_srand(rte_rdtsc());
-
-	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
-
-	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
-
-	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
-	TEST_LPM_ASSERT(lpm != NULL);
-
-	/* Measue add. */
-	begin = rte_rdtsc();
-
-	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
-		if (rte_lpm_add(lpm, 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);
-	/* Obtain add statistics. */
-	for (i = 0; i < RTE_LPM_TBL24_NUM_ENTRIES; i++) {
-		if (lpm->tbl24[i].valid)
-			lpm_used_entries++;
-
-		if (i % 32 == 0) {
-			if ((uint64_t)count < lpm_used_entries) {
-				cache_line_counter++;
-				count = lpm_used_entries;
-			}
-		}
-	}
-
-	printf("Used table 24 entries = %u (%g%%)\n",
-			(unsigned) lpm_used_entries,
-			(lpm_used_entries * 100.0) / RTE_LPM_TBL24_NUM_ENTRIES);
-	printf("64 byte Cache entries used = %u (%u bytes)\n",
-			(unsigned) cache_line_counter, (unsigned) cache_line_counter * 64);
-
-	printf("Average LPM Add: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	/* Measure single Lookup */
-	total_time = 0;
-	count = 0;
-
-	for (i = 0; i < ITERATIONS; i++) {
-		static uint32_t ip_batch[BATCH_SIZE];
-
-		for (j = 0; j < BATCH_SIZE; j++)
-			ip_batch[j] = rte_rand();
-
-		/* Lookup per batch */
-		begin = rte_rdtsc();
-
-		for (j = 0; j < BATCH_SIZE; j++) {
-			if (rte_lpm_lookup(lpm, ip_batch[j], &next_hop_return) != 0)
-				count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-
-	}
-	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
-			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
-			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
-
-	/* Measure bulk Lookup */
-	total_time = 0;
-	count = 0;
-	for (i = 0; i < ITERATIONS; i++) {
-		static uint32_t ip_batch[BATCH_SIZE];
-		uint32_t next_hops[BULK_SIZE];
-
-		/* Create array of random IP addresses */
-		for (j = 0; j < BATCH_SIZE; j++)
-			ip_batch[j] = rte_rand();
-
-		/* Lookup per batch */
-		begin = rte_rdtsc();
-		for (j = 0; j < BATCH_SIZE; j += BULK_SIZE) {
-			unsigned k;
-			rte_lpm_lookup_bulk(lpm, &ip_batch[j], next_hops, BULK_SIZE);
-			for (k = 0; k < BULK_SIZE; k++)
-				if (unlikely(!(next_hops[k] & RTE_LPM_LOOKUP_SUCCESS)))
-					count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-	}
-	printf("BULK LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
-			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
-			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
-
-	/* Measure LookupX4 */
-	total_time = 0;
-	count = 0;
-	for (i = 0; i < ITERATIONS; i++) {
-		static uint32_t ip_batch[BATCH_SIZE];
-		uint32_t next_hops[4];
-
-		/* Create array of random IP addresses */
-		for (j = 0; j < BATCH_SIZE; j++)
-			ip_batch[j] = rte_rand();
-
-		/* Lookup per batch */
-		begin = rte_rdtsc();
-		for (j = 0; j < BATCH_SIZE; j += RTE_DIM(next_hops)) {
-			unsigned k;
-			xmm_t ipx4;
-
-			ipx4 = vect_loadu_sil128((xmm_t *)(ip_batch + j));
-			ipx4 = *(xmm_t *)(ip_batch + j);
-			rte_lpm_lookupx4(lpm, ipx4, next_hops, UINT32_MAX);
-			for (k = 0; k < RTE_DIM(next_hops); k++)
-				if (unlikely(next_hops[k] == UINT32_MAX))
-					count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-	}
-	printf("LPM LookupX4: %.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_lpm_delete(lpm, ip, depth) */
-		status += rte_lpm_delete(lpm, large_route_table[i].ip,
-				large_route_table[i].depth);
-	}
-
-	total_time += rte_rdtsc() - begin;
-
-	printf("Average LPM Delete: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	rte_lpm_delete_all(lpm);
-	rte_lpm_free(lpm);
-
-	return PASS;
-}
-
-/*
- * Do all unit and performance tests.
+ * Do all unit tests.
  */
 
 static int
diff --git a/app/test/test_lpm6.c b/app/test/test_lpm6.c
index b464342..9163cd7 100644
--- a/app/test/test_lpm6.c
+++ b/app/test/test_lpm6.c
@@ -30,25 +30,16 @@
  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
-#include <errno.h>
-#include <sys/queue.h>
-
-#include <time.h>
-
-#include "test.h"
 
-#include <rte_common.h>
-#include <rte_cycles.h>
 #include <rte_memory.h>
-#include <rte_random.h>
-#include <rte_branch_prediction.h>
-#include <rte_ip.h>
+#include <rte_lpm6.h>
 
-#include "rte_lpm6.h"
+#include "test.h"
 #include "test_lpm6_routes.h"
 
 #define TEST_LPM_ASSERT(cond) do {                                            \
@@ -88,7 +79,6 @@ static int32_t test24(void);
 static int32_t test25(void);
 static int32_t test26(void);
 static int32_t test27(void);
-static int32_t perf_test(void);
 
 rte_lpm6_test tests6[] = {
 /* Test Cases */
@@ -120,7 +110,6 @@ rte_lpm6_test tests6[] = {
 	test25,
 	test26,
 	test27,
-	perf_test,
 };
 
 #define NUM_LPM6_TESTS                (sizeof(tests6)/sizeof(tests6[0]))
@@ -1762,143 +1751,7 @@ test27(void)
 }
 
 /*
- * Lookup performance test
- */
-
-#define ITERATIONS (1 << 10)
-#define BATCH_SIZE 100000
-
-static void
-print_route_distribution(const struct rules_tbl_entry *table, uint32_t n)
-{
-	unsigned 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 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");
-}
-
-int32_t
-perf_test(void)
-{
-	struct rte_lpm6 *lpm = NULL;
-	struct rte_lpm6_config config;
-	uint64_t begin, total_time;
-	unsigned i, j;
-	uint8_t next_hop_add = 0xAA, next_hop_return = 0;
-	int status = 0;
-	int64_t count = 0;
-
-	config.max_rules = 1000000;
-	config.number_tbl8s = NUMBER_TBL8S;
-	config.flags = 0;
-
-	rte_srand(rte_rdtsc());
-
-	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
-
-	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
-
-	lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
-	TEST_LPM_ASSERT(lpm != NULL);
-
-	/* Measure add. */
-	begin = rte_rdtsc();
-
-	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
-		if (rte_lpm6_add(lpm, 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 LPM Add: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	/* Measure single Lookup */
-	total_time = 0;
-	count = 0;
-
-	for (i = 0; i < ITERATIONS; i ++) {
-		begin = rte_rdtsc();
-
-		for (j = 0; j < NUM_IPS_ENTRIES; j ++) {
-			if (rte_lpm6_lookup(lpm, large_ips_table[j].ip,
-					&next_hop_return) != 0)
-				count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-
-	}
-	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
-			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
-			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
-
-	/* Measure bulk Lookup */
-	total_time = 0;
-	count = 0;
-
-	uint8_t ip_batch[NUM_IPS_ENTRIES][16];
-	int16_t next_hops[NUM_IPS_ENTRIES];
-
-	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_lpm6_lookup_bulk_func(lpm, 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 LPM 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_lpm_delete(lpm, ip, depth) */
-		status += rte_lpm6_delete(lpm, large_route_table[i].ip,
-				large_route_table[i].depth);
-	}
-
-	total_time += rte_rdtsc() - begin;
-
-	printf("Average LPM Delete: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	rte_lpm6_delete_all(lpm);
-	rte_lpm6_free(lpm);
-
-	return PASS;
-}
-
-/*
- * Do all unit and performance tests.
+ * Do all unit tests.
  */
 static int
 test_lpm6(void)
diff --git a/app/test/test_lpm6_perf.c b/app/test/test_lpm6_perf.c
new file mode 100644
index 0000000..b7d4631
--- /dev/null
+++ b/app/test/test_lpm6_perf.c
@@ -0,0 +1,191 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#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_lpm6.h>
+
+#include "test.h"
+#include "test_lpm6_routes.h"
+
+#define TEST_LPM_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 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 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 int
+test_lpm6_perf(void)
+{
+	struct rte_lpm6 *lpm = NULL;
+	struct rte_lpm6_config config;
+	uint64_t begin, total_time;
+	unsigned i, j;
+	uint8_t next_hop_add = 0xAA, next_hop_return = 0;
+	int status = 0;
+	int64_t count = 0;
+
+	config.max_rules = 1000000;
+	config.number_tbl8s = NUMBER_TBL8S;
+	config.flags = 0;
+
+	rte_srand(rte_rdtsc());
+
+	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
+
+	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
+
+	lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
+	TEST_LPM_ASSERT(lpm != NULL);
+
+	/* Measure add. */
+	begin = rte_rdtsc();
+
+	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
+		if (rte_lpm6_add(lpm, 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 LPM Add: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	/* Measure single Lookup */
+	total_time = 0;
+	count = 0;
+
+	for (i = 0; i < ITERATIONS; i ++) {
+		begin = rte_rdtsc();
+
+		for (j = 0; j < NUM_IPS_ENTRIES; j ++) {
+			if (rte_lpm6_lookup(lpm, large_ips_table[j].ip,
+					&next_hop_return) != 0)
+				count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+
+	}
+	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
+			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
+			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
+
+	/* Measure bulk Lookup */
+	total_time = 0;
+	count = 0;
+
+	uint8_t ip_batch[NUM_IPS_ENTRIES][16];
+	int16_t next_hops[NUM_IPS_ENTRIES];
+
+	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_lpm6_lookup_bulk_func(lpm, 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 LPM 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_lpm_delete(lpm, ip, depth) */
+		status += rte_lpm6_delete(lpm, large_route_table[i].ip,
+				large_route_table[i].depth);
+	}
+
+	total_time += rte_rdtsc() - begin;
+
+	printf("Average LPM Delete: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	rte_lpm6_delete_all(lpm);
+	rte_lpm6_free(lpm);
+
+	return 0;
+}
+
+static struct test_command lpm6_perf_cmd = {
+	.command = "lpm6_perf_autotest",
+	.callback = test_lpm6_perf,
+};
+REGISTER_TEST_COMMAND(lpm6_perf_cmd);
diff --git a/app/test/test_lpm_perf.c b/app/test/test_lpm_perf.c
new file mode 100644
index 0000000..41da811
--- /dev/null
+++ b/app/test/test_lpm_perf.c
@@ -0,0 +1,249 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <rte_cycles.h>
+#include <rte_random.h>
+#include <rte_branch_prediction.h>
+#include <rte_lpm.h>
+
+#include "test.h"
+#include "test_lpm_routes.h"
+#include "test_xmmt_ops.h"
+
+#define TEST_LPM_ASSERT(cond) do {                                            \
+	if (!(cond)) {                                                        \
+		printf("Error at line %d: \n", __LINE__);                     \
+		return -1;                                                    \
+	}                                                                     \
+} while(0)
+
+#define ITERATIONS (1 << 10)
+#define BATCH_SIZE (1 << 12)
+#define BULK_SIZE 32
+
+static void
+print_route_distribution(const struct route_rule *table, uint32_t n)
+{
+	unsigned i, j;
+
+	printf("Route distribution per prefix width: \n");
+	printf("DEPTH    QUANTITY (PERCENT)\n");
+	printf("--------------------------- \n");
+
+	/* Count depths. */
+	for (i = 1; i <= 32; i++) {
+		unsigned 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 int
+test_lpm_perf(void)
+{
+	struct rte_lpm *lpm = NULL;
+	struct rte_lpm_config config;
+
+	config.max_rules = 1000000;
+	config.number_tbl8s = 256;
+	config.flags = 0;
+	uint64_t begin, total_time, lpm_used_entries = 0;
+	unsigned i, j;
+	uint32_t next_hop_add = 0xAA, next_hop_return = 0;
+	int status = 0;
+	uint64_t cache_line_counter = 0;
+	int64_t count = 0;
+
+	rte_srand(rte_rdtsc());
+
+	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
+
+	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
+
+	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
+	TEST_LPM_ASSERT(lpm != NULL);
+
+	/* Measue add. */
+	begin = rte_rdtsc();
+
+	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
+		if (rte_lpm_add(lpm, 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);
+	/* Obtain add statistics. */
+	for (i = 0; i < RTE_LPM_TBL24_NUM_ENTRIES; i++) {
+		if (lpm->tbl24[i].valid)
+			lpm_used_entries++;
+
+		if (i % 32 == 0) {
+			if ((uint64_t)count < lpm_used_entries) {
+				cache_line_counter++;
+				count = lpm_used_entries;
+			}
+		}
+	}
+
+	printf("Used table 24 entries = %u (%g%%)\n",
+			(unsigned) lpm_used_entries,
+			(lpm_used_entries * 100.0) / RTE_LPM_TBL24_NUM_ENTRIES);
+	printf("64 byte Cache entries used = %u (%u bytes)\n",
+			(unsigned) cache_line_counter, (unsigned) cache_line_counter * 64);
+
+	printf("Average LPM Add: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	/* Measure single Lookup */
+	total_time = 0;
+	count = 0;
+
+	for (i = 0; i < ITERATIONS; i++) {
+		static uint32_t ip_batch[BATCH_SIZE];
+
+		for (j = 0; j < BATCH_SIZE; j++)
+			ip_batch[j] = rte_rand();
+
+		/* Lookup per batch */
+		begin = rte_rdtsc();
+
+		for (j = 0; j < BATCH_SIZE; j++) {
+			if (rte_lpm_lookup(lpm, ip_batch[j], &next_hop_return) != 0)
+				count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+
+	}
+	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
+			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
+			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
+
+	/* Measure bulk Lookup */
+	total_time = 0;
+	count = 0;
+	for (i = 0; i < ITERATIONS; i++) {
+		static uint32_t ip_batch[BATCH_SIZE];
+		uint32_t next_hops[BULK_SIZE];
+
+		/* Create array of random IP addresses */
+		for (j = 0; j < BATCH_SIZE; j++)
+			ip_batch[j] = rte_rand();
+
+		/* Lookup per batch */
+		begin = rte_rdtsc();
+		for (j = 0; j < BATCH_SIZE; j += BULK_SIZE) {
+			unsigned k;
+			rte_lpm_lookup_bulk(lpm, &ip_batch[j], next_hops, BULK_SIZE);
+			for (k = 0; k < BULK_SIZE; k++)
+				if (unlikely(!(next_hops[k] & RTE_LPM_LOOKUP_SUCCESS)))
+					count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+	}
+	printf("BULK LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
+			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
+			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
+
+	/* Measure LookupX4 */
+	total_time = 0;
+	count = 0;
+	for (i = 0; i < ITERATIONS; i++) {
+		static uint32_t ip_batch[BATCH_SIZE];
+		uint32_t next_hops[4];
+
+		/* Create array of random IP addresses */
+		for (j = 0; j < BATCH_SIZE; j++)
+			ip_batch[j] = rte_rand();
+
+		/* Lookup per batch */
+		begin = rte_rdtsc();
+		for (j = 0; j < BATCH_SIZE; j += RTE_DIM(next_hops)) {
+			unsigned k;
+			xmm_t ipx4;
+
+			ipx4 = vect_loadu_sil128((xmm_t *)(ip_batch + j));
+			ipx4 = *(xmm_t *)(ip_batch + j);
+			rte_lpm_lookupx4(lpm, ipx4, next_hops, UINT32_MAX);
+			for (k = 0; k < RTE_DIM(next_hops); k++)
+				if (unlikely(next_hops[k] == UINT32_MAX))
+					count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+	}
+	printf("LPM LookupX4: %.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_lpm_delete(lpm, ip, depth) */
+		status += rte_lpm_delete(lpm, large_route_table[i].ip,
+				large_route_table[i].depth);
+	}
+
+	total_time += rte_rdtsc() - begin;
+
+	printf("Average LPM Delete: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	rte_lpm_delete_all(lpm);
+	rte_lpm_free(lpm);
+
+	return 0;
+}
+
+static struct test_command lpm_perf_cmd = {
+	.command = "lpm_perf_autotest",
+	.callback = test_lpm_perf,
+};
+REGISTER_TEST_COMMAND(lpm_perf_cmd);
-- 
2.7.0

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [dpdk-dev] [PATCH v2] app/test: isolate lpm performance cases
  2016-05-06 16:13 [dpdk-dev] [PATCH] app/test: isolate lpm performance cases Thomas Monjalon
@ 2016-05-11 12:16 ` Thomas Monjalon
  2016-05-24 15:17   ` Thomas Monjalon
  0 siblings, 1 reply; 3+ messages in thread
From: Thomas Monjalon @ 2016-05-11 12:16 UTC (permalink / raw)
  To: dev

The LPM performance tests should not be mixed with
functional tests: they are long and show some statistics.

LPM6 functional tests are added to parallel tests.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
---
v2: move LPM6 autotest in parallel tests

 app/test/Makefile         |   2 +
 app/test/autotest_data.py |  19 ++--
 app/test/test_lpm.c       | 211 +--------------------------------------
 app/test/test_lpm6.c      | 155 +----------------------------
 app/test/test_lpm6_perf.c | 191 +++++++++++++++++++++++++++++++++++
 app/test/test_lpm_perf.c  | 249 ++++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 454 insertions(+), 373 deletions(-)
 create mode 100644 app/test/test_lpm6_perf.c
 create mode 100644 app/test/test_lpm_perf.c

diff --git a/app/test/Makefile b/app/test/Makefile
index a4907d5..f269fe0 100644
--- a/app/test/Makefile
+++ b/app/test/Makefile
@@ -89,7 +89,9 @@ SRCS-$(CONFIG_RTE_LIBRTE_HASH) += test_hash_functions.c
 SRCS-$(CONFIG_RTE_LIBRTE_HASH) += test_hash_scaling.c
 
 SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm.c
+SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm_perf.c
 SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm6.c
+SRCS-$(CONFIG_RTE_LIBRTE_LPM) += test_lpm6_perf.c
 
 SRCS-y += test_debug.c
 SRCS-y += test_errno.c
diff --git a/app/test/autotest_data.py b/app/test/autotest_data.py
index dde4511..8a92bb4 100644
--- a/app/test/autotest_data.py
+++ b/app/test/autotest_data.py
@@ -174,6 +174,12 @@ parallel_test_group_list = [
 		 "Report" :	None,
 		},
 		{
+			"Name" :    "LPM6 autotest",
+			"Command" : "lpm6_autotest",
+			"Func" :    default_autotest,
+			"Report" :  None,
+		},
+		{
 		 "Name" :	"IVSHMEM autotest",
 		 "Command" : 	"ivshmem_autotest",
 		 "Func" :	default_autotest,
@@ -450,19 +456,6 @@ non_parallel_test_group_list = [
 	]
 },
 {
-	"Prefix" :	"lpm6",
-	"Memory" :	"512",
-	"Tests" :
-	[
-		{
-                 "Name" :       "LPM6 autotest",
-                 "Command" :    "lpm6_autotest",
-                 "Func" :       default_autotest,
-                 "Report" :     None,
-                },
-	]
-},
-{
 	"Prefix":	"timer_perf",
 	"Memory" :	per_sockets(512),
 	"Tests" :
diff --git a/app/test/test_lpm.c b/app/test/test_lpm.c
index 40fbbc6..f6930fb 100644
--- a/app/test/test_lpm.c
+++ b/app/test/test_lpm.c
@@ -34,20 +34,10 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
-#include <errno.h>
-#include <sys/queue.h>
 
-#include <rte_common.h>
-#include <rte_cycles.h>
-#include <rte_memory.h>
-#include <rte_random.h>
-#include <rte_branch_prediction.h>
-#include <rte_ip.h>
-#include <time.h>
+#include <rte_lpm.h>
 
 #include "test.h"
-
-#include "rte_lpm.h"
 #include "test_lpm_routes.h"
 #include "test_xmmt_ops.h"
 
@@ -78,7 +68,6 @@ static int32_t test14(void);
 static int32_t test15(void);
 static int32_t test16(void);
 static int32_t test17(void);
-static int32_t perf_test(void);
 
 rte_lpm_test tests[] = {
 /* Test Cases */
@@ -100,7 +89,6 @@ rte_lpm_test tests[] = {
 	test15,
 	test16,
 	test17,
-	perf_test,
 };
 
 #define NUM_LPM_TESTS (sizeof(tests)/sizeof(tests[0]))
@@ -1230,202 +1218,7 @@ test17(void)
 }
 
 /*
- * Lookup performance test
- */
-
-#define ITERATIONS (1 << 10)
-#define BATCH_SIZE (1 << 12)
-#define BULK_SIZE 32
-
-static void
-print_route_distribution(const struct route_rule *table, uint32_t n)
-{
-	unsigned i, j;
-
-	printf("Route distribution per prefix width: \n");
-	printf("DEPTH    QUANTITY (PERCENT)\n");
-	printf("--------------------------- \n");
-
-	/* Count depths. */
-	for (i = 1; i <= 32; i++) {
-		unsigned 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");
-}
-
-int32_t
-perf_test(void)
-{
-	struct rte_lpm *lpm = NULL;
-	struct rte_lpm_config config;
-
-	config.max_rules = 1000000;
-	config.number_tbl8s = NUMBER_TBL8S;
-	config.flags = 0;
-	uint64_t begin, total_time, lpm_used_entries = 0;
-	unsigned i, j;
-	uint32_t next_hop_add = 0xAA, next_hop_return = 0;
-	int status = 0;
-	uint64_t cache_line_counter = 0;
-	int64_t count = 0;
-
-	rte_srand(rte_rdtsc());
-
-	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
-
-	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
-
-	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
-	TEST_LPM_ASSERT(lpm != NULL);
-
-	/* Measue add. */
-	begin = rte_rdtsc();
-
-	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
-		if (rte_lpm_add(lpm, 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);
-	/* Obtain add statistics. */
-	for (i = 0; i < RTE_LPM_TBL24_NUM_ENTRIES; i++) {
-		if (lpm->tbl24[i].valid)
-			lpm_used_entries++;
-
-		if (i % 32 == 0) {
-			if ((uint64_t)count < lpm_used_entries) {
-				cache_line_counter++;
-				count = lpm_used_entries;
-			}
-		}
-	}
-
-	printf("Used table 24 entries = %u (%g%%)\n",
-			(unsigned) lpm_used_entries,
-			(lpm_used_entries * 100.0) / RTE_LPM_TBL24_NUM_ENTRIES);
-	printf("64 byte Cache entries used = %u (%u bytes)\n",
-			(unsigned) cache_line_counter, (unsigned) cache_line_counter * 64);
-
-	printf("Average LPM Add: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	/* Measure single Lookup */
-	total_time = 0;
-	count = 0;
-
-	for (i = 0; i < ITERATIONS; i++) {
-		static uint32_t ip_batch[BATCH_SIZE];
-
-		for (j = 0; j < BATCH_SIZE; j++)
-			ip_batch[j] = rte_rand();
-
-		/* Lookup per batch */
-		begin = rte_rdtsc();
-
-		for (j = 0; j < BATCH_SIZE; j++) {
-			if (rte_lpm_lookup(lpm, ip_batch[j], &next_hop_return) != 0)
-				count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-
-	}
-	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
-			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
-			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
-
-	/* Measure bulk Lookup */
-	total_time = 0;
-	count = 0;
-	for (i = 0; i < ITERATIONS; i++) {
-		static uint32_t ip_batch[BATCH_SIZE];
-		uint32_t next_hops[BULK_SIZE];
-
-		/* Create array of random IP addresses */
-		for (j = 0; j < BATCH_SIZE; j++)
-			ip_batch[j] = rte_rand();
-
-		/* Lookup per batch */
-		begin = rte_rdtsc();
-		for (j = 0; j < BATCH_SIZE; j += BULK_SIZE) {
-			unsigned k;
-			rte_lpm_lookup_bulk(lpm, &ip_batch[j], next_hops, BULK_SIZE);
-			for (k = 0; k < BULK_SIZE; k++)
-				if (unlikely(!(next_hops[k] & RTE_LPM_LOOKUP_SUCCESS)))
-					count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-	}
-	printf("BULK LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
-			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
-			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
-
-	/* Measure LookupX4 */
-	total_time = 0;
-	count = 0;
-	for (i = 0; i < ITERATIONS; i++) {
-		static uint32_t ip_batch[BATCH_SIZE];
-		uint32_t next_hops[4];
-
-		/* Create array of random IP addresses */
-		for (j = 0; j < BATCH_SIZE; j++)
-			ip_batch[j] = rte_rand();
-
-		/* Lookup per batch */
-		begin = rte_rdtsc();
-		for (j = 0; j < BATCH_SIZE; j += RTE_DIM(next_hops)) {
-			unsigned k;
-			xmm_t ipx4;
-
-			ipx4 = vect_loadu_sil128((xmm_t *)(ip_batch + j));
-			ipx4 = *(xmm_t *)(ip_batch + j);
-			rte_lpm_lookupx4(lpm, ipx4, next_hops, UINT32_MAX);
-			for (k = 0; k < RTE_DIM(next_hops); k++)
-				if (unlikely(next_hops[k] == UINT32_MAX))
-					count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-	}
-	printf("LPM LookupX4: %.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_lpm_delete(lpm, ip, depth) */
-		status += rte_lpm_delete(lpm, large_route_table[i].ip,
-				large_route_table[i].depth);
-	}
-
-	total_time += rte_rdtsc() - begin;
-
-	printf("Average LPM Delete: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	rte_lpm_delete_all(lpm);
-	rte_lpm_free(lpm);
-
-	return PASS;
-}
-
-/*
- * Do all unit and performance tests.
+ * Do all unit tests.
  */
 
 static int
diff --git a/app/test/test_lpm6.c b/app/test/test_lpm6.c
index b464342..9163cd7 100644
--- a/app/test/test_lpm6.c
+++ b/app/test/test_lpm6.c
@@ -30,25 +30,16 @@
  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
-#include <errno.h>
-#include <sys/queue.h>
-
-#include <time.h>
-
-#include "test.h"
 
-#include <rte_common.h>
-#include <rte_cycles.h>
 #include <rte_memory.h>
-#include <rte_random.h>
-#include <rte_branch_prediction.h>
-#include <rte_ip.h>
+#include <rte_lpm6.h>
 
-#include "rte_lpm6.h"
+#include "test.h"
 #include "test_lpm6_routes.h"
 
 #define TEST_LPM_ASSERT(cond) do {                                            \
@@ -88,7 +79,6 @@ static int32_t test24(void);
 static int32_t test25(void);
 static int32_t test26(void);
 static int32_t test27(void);
-static int32_t perf_test(void);
 
 rte_lpm6_test tests6[] = {
 /* Test Cases */
@@ -120,7 +110,6 @@ rte_lpm6_test tests6[] = {
 	test25,
 	test26,
 	test27,
-	perf_test,
 };
 
 #define NUM_LPM6_TESTS                (sizeof(tests6)/sizeof(tests6[0]))
@@ -1762,143 +1751,7 @@ test27(void)
 }
 
 /*
- * Lookup performance test
- */
-
-#define ITERATIONS (1 << 10)
-#define BATCH_SIZE 100000
-
-static void
-print_route_distribution(const struct rules_tbl_entry *table, uint32_t n)
-{
-	unsigned 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 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");
-}
-
-int32_t
-perf_test(void)
-{
-	struct rte_lpm6 *lpm = NULL;
-	struct rte_lpm6_config config;
-	uint64_t begin, total_time;
-	unsigned i, j;
-	uint8_t next_hop_add = 0xAA, next_hop_return = 0;
-	int status = 0;
-	int64_t count = 0;
-
-	config.max_rules = 1000000;
-	config.number_tbl8s = NUMBER_TBL8S;
-	config.flags = 0;
-
-	rte_srand(rte_rdtsc());
-
-	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
-
-	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
-
-	lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
-	TEST_LPM_ASSERT(lpm != NULL);
-
-	/* Measure add. */
-	begin = rte_rdtsc();
-
-	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
-		if (rte_lpm6_add(lpm, 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 LPM Add: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	/* Measure single Lookup */
-	total_time = 0;
-	count = 0;
-
-	for (i = 0; i < ITERATIONS; i ++) {
-		begin = rte_rdtsc();
-
-		for (j = 0; j < NUM_IPS_ENTRIES; j ++) {
-			if (rte_lpm6_lookup(lpm, large_ips_table[j].ip,
-					&next_hop_return) != 0)
-				count++;
-		}
-
-		total_time += rte_rdtsc() - begin;
-
-	}
-	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
-			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
-			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
-
-	/* Measure bulk Lookup */
-	total_time = 0;
-	count = 0;
-
-	uint8_t ip_batch[NUM_IPS_ENTRIES][16];
-	int16_t next_hops[NUM_IPS_ENTRIES];
-
-	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_lpm6_lookup_bulk_func(lpm, 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 LPM 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_lpm_delete(lpm, ip, depth) */
-		status += rte_lpm6_delete(lpm, large_route_table[i].ip,
-				large_route_table[i].depth);
-	}
-
-	total_time += rte_rdtsc() - begin;
-
-	printf("Average LPM Delete: %g cycles\n",
-			(double)total_time / NUM_ROUTE_ENTRIES);
-
-	rte_lpm6_delete_all(lpm);
-	rte_lpm6_free(lpm);
-
-	return PASS;
-}
-
-/*
- * Do all unit and performance tests.
+ * Do all unit tests.
  */
 static int
 test_lpm6(void)
diff --git a/app/test/test_lpm6_perf.c b/app/test/test_lpm6_perf.c
new file mode 100644
index 0000000..b7d4631
--- /dev/null
+++ b/app/test/test_lpm6_perf.c
@@ -0,0 +1,191 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#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_lpm6.h>
+
+#include "test.h"
+#include "test_lpm6_routes.h"
+
+#define TEST_LPM_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 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 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 int
+test_lpm6_perf(void)
+{
+	struct rte_lpm6 *lpm = NULL;
+	struct rte_lpm6_config config;
+	uint64_t begin, total_time;
+	unsigned i, j;
+	uint8_t next_hop_add = 0xAA, next_hop_return = 0;
+	int status = 0;
+	int64_t count = 0;
+
+	config.max_rules = 1000000;
+	config.number_tbl8s = NUMBER_TBL8S;
+	config.flags = 0;
+
+	rte_srand(rte_rdtsc());
+
+	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
+
+	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
+
+	lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
+	TEST_LPM_ASSERT(lpm != NULL);
+
+	/* Measure add. */
+	begin = rte_rdtsc();
+
+	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
+		if (rte_lpm6_add(lpm, 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 LPM Add: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	/* Measure single Lookup */
+	total_time = 0;
+	count = 0;
+
+	for (i = 0; i < ITERATIONS; i ++) {
+		begin = rte_rdtsc();
+
+		for (j = 0; j < NUM_IPS_ENTRIES; j ++) {
+			if (rte_lpm6_lookup(lpm, large_ips_table[j].ip,
+					&next_hop_return) != 0)
+				count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+
+	}
+	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
+			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
+			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
+
+	/* Measure bulk Lookup */
+	total_time = 0;
+	count = 0;
+
+	uint8_t ip_batch[NUM_IPS_ENTRIES][16];
+	int16_t next_hops[NUM_IPS_ENTRIES];
+
+	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_lpm6_lookup_bulk_func(lpm, 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 LPM 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_lpm_delete(lpm, ip, depth) */
+		status += rte_lpm6_delete(lpm, large_route_table[i].ip,
+				large_route_table[i].depth);
+	}
+
+	total_time += rte_rdtsc() - begin;
+
+	printf("Average LPM Delete: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	rte_lpm6_delete_all(lpm);
+	rte_lpm6_free(lpm);
+
+	return 0;
+}
+
+static struct test_command lpm6_perf_cmd = {
+	.command = "lpm6_perf_autotest",
+	.callback = test_lpm6_perf,
+};
+REGISTER_TEST_COMMAND(lpm6_perf_cmd);
diff --git a/app/test/test_lpm_perf.c b/app/test/test_lpm_perf.c
new file mode 100644
index 0000000..41da811
--- /dev/null
+++ b/app/test/test_lpm_perf.c
@@ -0,0 +1,249 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <rte_cycles.h>
+#include <rte_random.h>
+#include <rte_branch_prediction.h>
+#include <rte_lpm.h>
+
+#include "test.h"
+#include "test_lpm_routes.h"
+#include "test_xmmt_ops.h"
+
+#define TEST_LPM_ASSERT(cond) do {                                            \
+	if (!(cond)) {                                                        \
+		printf("Error at line %d: \n", __LINE__);                     \
+		return -1;                                                    \
+	}                                                                     \
+} while(0)
+
+#define ITERATIONS (1 << 10)
+#define BATCH_SIZE (1 << 12)
+#define BULK_SIZE 32
+
+static void
+print_route_distribution(const struct route_rule *table, uint32_t n)
+{
+	unsigned i, j;
+
+	printf("Route distribution per prefix width: \n");
+	printf("DEPTH    QUANTITY (PERCENT)\n");
+	printf("--------------------------- \n");
+
+	/* Count depths. */
+	for (i = 1; i <= 32; i++) {
+		unsigned 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 int
+test_lpm_perf(void)
+{
+	struct rte_lpm *lpm = NULL;
+	struct rte_lpm_config config;
+
+	config.max_rules = 1000000;
+	config.number_tbl8s = 256;
+	config.flags = 0;
+	uint64_t begin, total_time, lpm_used_entries = 0;
+	unsigned i, j;
+	uint32_t next_hop_add = 0xAA, next_hop_return = 0;
+	int status = 0;
+	uint64_t cache_line_counter = 0;
+	int64_t count = 0;
+
+	rte_srand(rte_rdtsc());
+
+	printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
+
+	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
+
+	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
+	TEST_LPM_ASSERT(lpm != NULL);
+
+	/* Measue add. */
+	begin = rte_rdtsc();
+
+	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
+		if (rte_lpm_add(lpm, 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);
+	/* Obtain add statistics. */
+	for (i = 0; i < RTE_LPM_TBL24_NUM_ENTRIES; i++) {
+		if (lpm->tbl24[i].valid)
+			lpm_used_entries++;
+
+		if (i % 32 == 0) {
+			if ((uint64_t)count < lpm_used_entries) {
+				cache_line_counter++;
+				count = lpm_used_entries;
+			}
+		}
+	}
+
+	printf("Used table 24 entries = %u (%g%%)\n",
+			(unsigned) lpm_used_entries,
+			(lpm_used_entries * 100.0) / RTE_LPM_TBL24_NUM_ENTRIES);
+	printf("64 byte Cache entries used = %u (%u bytes)\n",
+			(unsigned) cache_line_counter, (unsigned) cache_line_counter * 64);
+
+	printf("Average LPM Add: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	/* Measure single Lookup */
+	total_time = 0;
+	count = 0;
+
+	for (i = 0; i < ITERATIONS; i++) {
+		static uint32_t ip_batch[BATCH_SIZE];
+
+		for (j = 0; j < BATCH_SIZE; j++)
+			ip_batch[j] = rte_rand();
+
+		/* Lookup per batch */
+		begin = rte_rdtsc();
+
+		for (j = 0; j < BATCH_SIZE; j++) {
+			if (rte_lpm_lookup(lpm, ip_batch[j], &next_hop_return) != 0)
+				count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+
+	}
+	printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
+			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
+			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
+
+	/* Measure bulk Lookup */
+	total_time = 0;
+	count = 0;
+	for (i = 0; i < ITERATIONS; i++) {
+		static uint32_t ip_batch[BATCH_SIZE];
+		uint32_t next_hops[BULK_SIZE];
+
+		/* Create array of random IP addresses */
+		for (j = 0; j < BATCH_SIZE; j++)
+			ip_batch[j] = rte_rand();
+
+		/* Lookup per batch */
+		begin = rte_rdtsc();
+		for (j = 0; j < BATCH_SIZE; j += BULK_SIZE) {
+			unsigned k;
+			rte_lpm_lookup_bulk(lpm, &ip_batch[j], next_hops, BULK_SIZE);
+			for (k = 0; k < BULK_SIZE; k++)
+				if (unlikely(!(next_hops[k] & RTE_LPM_LOOKUP_SUCCESS)))
+					count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+	}
+	printf("BULK LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
+			(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
+			(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
+
+	/* Measure LookupX4 */
+	total_time = 0;
+	count = 0;
+	for (i = 0; i < ITERATIONS; i++) {
+		static uint32_t ip_batch[BATCH_SIZE];
+		uint32_t next_hops[4];
+
+		/* Create array of random IP addresses */
+		for (j = 0; j < BATCH_SIZE; j++)
+			ip_batch[j] = rte_rand();
+
+		/* Lookup per batch */
+		begin = rte_rdtsc();
+		for (j = 0; j < BATCH_SIZE; j += RTE_DIM(next_hops)) {
+			unsigned k;
+			xmm_t ipx4;
+
+			ipx4 = vect_loadu_sil128((xmm_t *)(ip_batch + j));
+			ipx4 = *(xmm_t *)(ip_batch + j);
+			rte_lpm_lookupx4(lpm, ipx4, next_hops, UINT32_MAX);
+			for (k = 0; k < RTE_DIM(next_hops); k++)
+				if (unlikely(next_hops[k] == UINT32_MAX))
+					count++;
+		}
+
+		total_time += rte_rdtsc() - begin;
+	}
+	printf("LPM LookupX4: %.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_lpm_delete(lpm, ip, depth) */
+		status += rte_lpm_delete(lpm, large_route_table[i].ip,
+				large_route_table[i].depth);
+	}
+
+	total_time += rte_rdtsc() - begin;
+
+	printf("Average LPM Delete: %g cycles\n",
+			(double)total_time / NUM_ROUTE_ENTRIES);
+
+	rte_lpm_delete_all(lpm);
+	rte_lpm_free(lpm);
+
+	return 0;
+}
+
+static struct test_command lpm_perf_cmd = {
+	.command = "lpm_perf_autotest",
+	.callback = test_lpm_perf,
+};
+REGISTER_TEST_COMMAND(lpm_perf_cmd);
-- 
2.7.0

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [PATCH v2] app/test: isolate lpm performance cases
  2016-05-11 12:16 ` [dpdk-dev] [PATCH v2] " Thomas Monjalon
@ 2016-05-24 15:17   ` Thomas Monjalon
  0 siblings, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2016-05-24 15:17 UTC (permalink / raw)
  To: dev

2016-05-11 14:16, Thomas Monjalon:
> The LPM performance tests should not be mixed with
> functional tests: they are long and show some statistics.
> 
> LPM6 functional tests are added to parallel tests.
> 
> Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
> ---
> v2: move LPM6 autotest in parallel tests
> 
>  app/test/Makefile         |   2 +
>  app/test/autotest_data.py |  19 ++--
>  app/test/test_lpm.c       | 211 +--------------------------------------
>  app/test/test_lpm6.c      | 155 +----------------------------
>  app/test/test_lpm6_perf.c | 191 +++++++++++++++++++++++++++++++++++
>  app/test/test_lpm_perf.c  | 249 ++++++++++++++++++++++++++++++++++++++++++++++
>  6 files changed, 454 insertions(+), 373 deletions(-)
>  create mode 100644 app/test/test_lpm6_perf.c
>  create mode 100644 app/test/test_lpm_perf.c

Applied

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2016-05-06 16:13 [dpdk-dev] [PATCH] app/test: isolate lpm performance cases Thomas Monjalon
2016-05-11 12:16 ` [dpdk-dev] [PATCH v2] " Thomas Monjalon
2016-05-24 15:17   ` Thomas Monjalon

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