[PATCH v8 9/9] app/test: add memarea to malloc-perf-autotest

[Chengwen Feng]

This patch adds memarea to malloc_perf_autotest.

Test platform: Kunpeng920
Test command: dpdk-test -a 0000:7d:00.3 -l 10-12
Test result:
USER1: Performance: rte_memarea
USER1:    Size (B)   Runs  Alloc (us) Free (us) Total (us)  memset (us)
USER1:          64  10000        0.03      0.03       0.06         0.01
USER1:         128  10000        0.02      0.03       0.05         0.01
USER1:        1024  10000        0.03      0.05       0.07         0.20
USER1:        4096  10000        0.03      0.05       0.07         0.34
USER1:       65536  10000        0.10      0.08       0.18         2.14
USER1:     1048576    644        0.10      0.04       0.14        29.07
USER1:     2097152    322        0.10      0.04       0.14        57.50
USER1:     4194304    161        0.12      0.04       0.15       114.50
USER1:    16777216     40        0.11      0.04       0.15       456.09
USER1:  1073741824 Interrupted: out of memory. [1]

Compared with rte_malloc:
USER1: Performance: rte_malloc
USER1:    Size (B)   Runs  Alloc (us) Free (us) Total (us)  memset (us)
USER1:          64  10000        0.14      0.07       0.21         0.01
USER1:         128  10000        0.10      0.05       0.15         0.01
USER1:        1024  10000        0.11      0.18       0.29         0.21
USER1:        4096  10000        0.13      0.39       0.53         0.35
USER1:       65536  10000        0.17      2.27       2.44         2.15
USER1:     1048576  10000       37.21     71.63     108.84        29.08
USER1:     2097152  10000     8831.15    160.02    8991.17        63.52
USER1:     4194304  10000    47131.88    413.75   47545.62       173.79
USER1:    16777216   4221   119604.60   2209.73  121814.34       964.42
USER1:  1073741824     31   335058.32 223369.31  558427.63     62440.87

[1] The total-size of the memarea is restricted to avoid creation
failed.

Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
---
 app/test/test_malloc_perf.c | 55 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 54 insertions(+), 1 deletion(-)

diff --git a/app/test/test_malloc_perf.c b/app/test/test_malloc_perf.c
index ccec43ae84..a8b4531fe3 100644
--- a/app/test/test_malloc_perf.c
+++ b/app/test/test_malloc_perf.c
@@ -7,10 +7,12 @@
 #include <rte_cycles.h>
 #include <rte_errno.h>
 #include <rte_malloc.h>
+#include <rte_memarea.h>
 #include <rte_memzone.h>
 
 #include "test.h"
 
+#define PERFTEST_MAX_RUNS	10000
 #define TEST_LOG(level, ...) RTE_LOG(level, USER1, __VA_ARGS__)
 
 typedef void * (alloc_t)(const char *name, size_t size, unsigned int align);
@@ -147,10 +149,52 @@ memzone_free(void *addr)
 	rte_memzone_free((struct rte_memzone *)addr);
 }
 
+static struct rte_memarea *test_ma;
+
+static int
+memarea_pre_env(void)
+{
+	struct rte_memarea_param init = { 0 };
+	snprintf(init.name, sizeof(init.name), "perftest");
+	init.source = RTE_MEMAREA_SOURCE_HEAP;
+	init.alg = RTE_MEMAREA_ALG_NEXTFIT;
+	init.total_sz = PERFTEST_MAX_RUNS * KB * 66; /* test for max 64KB (add 2KB for meta) */
+	init.mt_safe = 1;
+	init.numa_socket = SOCKET_ID_ANY;
+	init.bak_memarea = NULL;
+	test_ma = rte_memarea_create(&init);
+	if (test_ma == NULL) {
+		fprintf(stderr, "memarea create failed, skip memarea perftest!\n");
+		return -1;
+	}
+	return 0;
+}
+
+static void
+memarea_clear_env(void)
+{
+	rte_memarea_destroy(test_ma);
+	test_ma = NULL;
+}
+
+static void *
+memarea_alloc(const char *name, size_t size, unsigned int align)
+{
+	RTE_SET_USED(name);
+	RTE_SET_USED(align);
+	return rte_memarea_alloc(test_ma, size, 0);
+}
+
+static void
+memarea_free(void *addr)
+{
+	rte_memarea_free(test_ma, addr);
+}
+
 static int
 test_malloc_perf(void)
 {
-	static const size_t MAX_RUNS = 10000;
+	static const size_t MAX_RUNS = PERFTEST_MAX_RUNS;
 
 	double memset_us_gb = 0;
 
@@ -168,6 +212,15 @@ test_malloc_perf(void)
 			NULL, memset_us_gb, RTE_MAX_MEMZONE - 1) < 0)
 		return -1;
 
+	if (memarea_pre_env() < 0)
+		return 0;
+	if (test_alloc_perf("rte_memarea", memarea_alloc, memarea_free,
+			memset, memset_us_gb, MAX_RUNS) < 0) {
+		memarea_clear_env();
+		return -1;
+	}
+	memarea_clear_env();
+
 	return 0;
 }
 
-- 
2.17.1