app: add reentrancy tests
authorIntel <intel.com>
Wed, 19 Dec 2012 23:00:00 +0000 (00:00 +0100)
committerThomas Monjalon <thomas.monjalon@6wind.com>
Thu, 25 Jul 2013 13:54:17 +0000 (15:54 +0200)
Signed-off-by: Intel
app/test/Makefile
app/test/commands.c
app/test/test.h
app/test/test_func_reentrancy.c [new file with mode: 0644]

index fe9a9d9..543db4a 100644 (file)
@@ -75,6 +75,7 @@ SRCS-$(CONFIG_RTE_APP_TEST) += test_alarm.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_interrupts.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_version.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_eal_fs.c
+SRCS-$(CONFIG_RTE_APP_TEST) += test_func_reentrancy.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_cmdline.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_cmdline_num.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_cmdline_etheraddr.c
index 9ea801b..08432fa 100644 (file)
@@ -163,6 +163,8 @@ static void cmd_autotest_parsed(void *parsed_result,
                ret |= test_mempool_perf();
        if (all || !strcmp(res->autotest, "memcpy_perf_autotest"))
                ret |= test_memcpy_perf();
+       if (all || !strcmp(res->autotest, "func_reentrancy_autotest"))
+               ret |= test_func_reentrancy();
 
        if (ret == 0)
                printf("Test OK\n");
@@ -188,7 +190,7 @@ cmdline_parse_token_string_t cmd_autotest_autotest =
                        "cpuflags_autotest#eal_flags_autotest#"
                        "alarm_autotest#interrupt_autotest#"
                        "version_autotest#eal_fs_autotest#"
-                       "cmdline_autotest#"
+                       "cmdline_autotest#func_reentrancy_autotest#"
                        "mempool_perf_autotest#hash_perf_autotest#"
                        "memcpy_perf_autotest#"
                        "all_autotests");
index 4a61a7b..538c39f 100644 (file)
@@ -84,6 +84,7 @@ int test_interrupt(void);
 int test_version(void);
 int test_eal_fs(void);
 int test_cmdline(void);
+int test_func_reentrancy(void);
 
 int test_pci_run;
 
diff --git a/app/test/test_func_reentrancy.c b/app/test/test_func_reentrancy.c
new file mode 100644 (file)
index 0000000..f0c491b
--- /dev/null
@@ -0,0 +1,482 @@
+/*-
+ *   BSD LICENSE
+ * 
+ *   Copyright(c) 2010-2012 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 <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <sys/queue.h>
+
+#include <rte_common.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_launch.h>
+#include <rte_cycles.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_spinlock.h>
+#include <rte_malloc.h>
+#include <rte_hash.h>
+#include <rte_fbk_hash.h>
+#include <rte_jhash.h>
+#include <rte_lpm.h>
+#include <rte_string_fns.h>
+
+#include <cmdline_parse.h>
+
+#include "test.h"
+
+typedef int (*case_func_t)(void* arg);
+typedef void (*case_clean_t)(unsigned lcore_id);
+
+#define MAX_STRING_SIZE                     (256)
+#define MAX_ITER_TIMES                      (16)
+#define MAX_LPM_ITER_TIMES                  (8)
+
+#define MEMPOOL_ELT_SIZE                    (0)
+#define MEMPOOL_SIZE                        (4)
+
+#define MAX_LCORES     RTE_MAX_MEMZONE / (MAX_ITER_TIMES * 4U)
+
+static rte_atomic32_t synchro = RTE_ATOMIC32_INIT(0);
+
+#define WAIT_SYNCHRO_FOR_SLAVES()   do{ \
+       if (lcore_self != rte_get_master_lcore())                  \
+               while (rte_atomic32_read(&synchro) == 0);        \
+} while(0)
+
+/*
+ * rte_eal_init only init once 
+ */
+static int
+test_eal_init_once(__attribute__((unused)) void *arg)
+{
+       unsigned lcore_self =  rte_lcore_id();
+
+       WAIT_SYNCHRO_FOR_SLAVES();
+
+       if (rte_eal_init(0, NULL) != -1)
+               return -1;
+
+       return 0;
+}
+
+/*
+ * ring create/lookup reentrancy test
+ */
+static int
+ring_create_lookup(__attribute__((unused)) void *arg)
+{
+       unsigned lcore_self = rte_lcore_id();
+       struct rte_ring * rp;
+       char ring_name[MAX_STRING_SIZE];
+       int i;
+
+       WAIT_SYNCHRO_FOR_SLAVES();
+       
+       /* create the same ring simultaneously on all threads */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rp = rte_ring_create("fr_test_once", 4096, SOCKET_ID_ANY, 0);
+               if ((NULL == rp) && (rte_ring_lookup("fr_test_once") == NULL))
+                       return -1;
+       }
+
+       /* create/lookup new ring several times */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(ring_name, sizeof(ring_name), "fr_test_%d_%d", lcore_self, i);
+               rp = rte_ring_create(ring_name, 4096, SOCKET_ID_ANY, 0);
+               if (NULL == rp)
+                       return -1;
+               if (rte_ring_lookup(ring_name) != rp)
+                       return -1;
+       }
+
+       /* verify all ring created sucessful */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(ring_name, sizeof(ring_name), "fr_test_%d_%d", lcore_self, i);
+               if (rte_ring_lookup(ring_name) == NULL)
+                       return -1;
+       }
+
+       return 0;
+}
+
+static void
+my_obj_init(struct rte_mempool *mp, __attribute__((unused)) void *arg,
+           void *obj, unsigned i)
+{
+       uint32_t *objnum = obj;
+       memset(obj, 0, mp->elt_size);
+       *objnum = i;
+}
+
+static int
+mempool_create_lookup(__attribute__((unused)) void *arg)
+{
+       unsigned lcore_self = rte_lcore_id();
+       struct rte_mempool * mp;
+       char mempool_name[MAX_STRING_SIZE];
+       int i;
+
+       WAIT_SYNCHRO_FOR_SLAVES();
+
+       /* create the same mempool simultaneously on all threads */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               mp = rte_mempool_create("fr_test_once",  MEMPOOL_SIZE,
+                                       MEMPOOL_ELT_SIZE, 0, 0,
+                                       NULL, NULL,
+                                       my_obj_init, NULL,
+                                       SOCKET_ID_ANY, 0);
+               if ((NULL == mp) && (rte_mempool_lookup("fr_test_once") == NULL))
+                       return -1;
+       }
+
+       /* create/lookup new ring several times */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(mempool_name, sizeof(mempool_name), "fr_test_%d_%d", lcore_self, i);
+               mp = rte_mempool_create(mempool_name, MEMPOOL_SIZE,
+                                               MEMPOOL_ELT_SIZE, 0, 0,
+                                               NULL, NULL,
+                                               my_obj_init, NULL,
+                                               SOCKET_ID_ANY, 0);
+               if (NULL == mp)
+                       return -1;
+               if (rte_mempool_lookup(mempool_name) != mp)
+                       return -1;
+       }
+
+       /* verify all ring created sucessful */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(mempool_name, sizeof(mempool_name), "fr_test_%d_%d", lcore_self, i);
+               if (rte_mempool_lookup(mempool_name) == NULL)
+                       return -1;
+       }
+
+       return 0;
+}
+
+static void
+hash_clean(unsigned lcore_id)
+{
+       char hash_name[MAX_STRING_SIZE];
+       struct rte_hash *handle;
+       int i;
+
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d",  lcore_id, i);
+
+               if ((handle = rte_hash_find_existing(hash_name)) != NULL)
+                       rte_hash_free(handle);
+       }
+}
+
+static int
+hash_create_free(__attribute__((unused)) void *arg)
+{
+       unsigned lcore_self = rte_lcore_id();
+       struct rte_hash *handle;
+       char hash_name[MAX_STRING_SIZE];
+       int i;
+       struct rte_hash_parameters hash_params = {
+               .name = NULL,
+               .entries = 16,
+               .bucket_entries = 4,
+               .key_len = 4,
+               .hash_func = (rte_hash_function)rte_jhash2,
+               .hash_func_init_val = 0,
+               .socket_id = 0,
+       };
+
+       WAIT_SYNCHRO_FOR_SLAVES();
+       
+       /* create the same hash simultaneously on all threads */
+       hash_params.name = "fr_test_once";
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               handle = rte_hash_create(&hash_params);
+               if ((NULL == handle) && (rte_hash_find_existing("fr_test_once") == NULL))
+                       return -1;
+       }
+
+       /* create mutiple times simultaneously */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d", lcore_self, i);
+               hash_params.name = hash_name;
+
+               handle = rte_hash_create(&hash_params);
+               if (NULL == handle) 
+                       return -1;
+
+               /* verify correct existing and then free all */
+               if (handle != rte_hash_find_existing(hash_name))
+                       return -1;
+
+               rte_hash_free(handle);
+       }
+
+       /* verify free correct */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d",  lcore_self, i);
+
+               if (NULL != rte_hash_find_existing(hash_name))
+                       return -1;
+       }
+
+       return 0;
+}
+
+static void
+fbk_clean(unsigned lcore_id)
+{
+       char fbk_name[MAX_STRING_SIZE];
+       struct rte_fbk_hash_table *handle;
+       int i;
+
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d",  lcore_id, i);
+
+               if ((handle = rte_fbk_hash_find_existing(fbk_name)) != NULL)
+                       rte_fbk_hash_free(handle);
+       }
+}
+
+static int
+fbk_create_free(__attribute__((unused)) void *arg)
+{
+       unsigned lcore_self = rte_lcore_id();
+       struct rte_fbk_hash_table *handle;
+       char fbk_name[MAX_STRING_SIZE];
+       int i;
+       struct rte_fbk_hash_params fbk_params = {
+               .name = NULL,
+               .entries = 4,
+               .entries_per_bucket = 4,
+               .socket_id = 0,
+               .hash_func = rte_jhash_1word,
+               .init_val = RTE_FBK_HASH_INIT_VAL_DEFAULT,
+       };
+
+       WAIT_SYNCHRO_FOR_SLAVES();
+       
+       /* create the same fbk hash table simultaneously on all threads */
+       fbk_params.name = "fr_test_once";
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               handle = rte_fbk_hash_create(&fbk_params);
+               if ((NULL == handle) && (rte_fbk_hash_find_existing("fr_test_once") == NULL))
+                       return -1;
+       }
+
+       /* create mutiple fbk tables simultaneously */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d", lcore_self, i);
+               fbk_params.name = fbk_name;
+
+               handle = rte_fbk_hash_create(&fbk_params);
+               if (NULL == handle)
+                       return -1;      
+
+               /* verify correct existing and then free all */
+               if (handle != rte_fbk_hash_find_existing(fbk_name))
+                       return -1;
+
+               rte_fbk_hash_free(handle);
+       }
+
+       /* verify free correct */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               rte_snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d",  lcore_self, i);
+
+               if (NULL != rte_fbk_hash_find_existing(fbk_name))
+                       return -1;
+       }
+
+       return 0;
+}
+
+static void
+lpm_clean(unsigned lcore_id)
+{
+       char lpm_name[MAX_STRING_SIZE];
+       struct rte_lpm *lpm;
+       int i;
+
+       for (i = 0; i < MAX_LPM_ITER_TIMES; i++) {
+               rte_snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d",  lcore_id, i);
+
+               if ((lpm = rte_lpm_find_existing(lpm_name)) != NULL)
+                       rte_lpm_free(lpm);
+       }
+}
+
+static int
+lpm_create_free(__attribute__((unused)) void *arg)
+{
+       unsigned lcore_self = rte_lcore_id();
+       struct rte_lpm *lpm;
+       char lpm_name[MAX_STRING_SIZE];
+       int i;
+
+       WAIT_SYNCHRO_FOR_SLAVES();
+       
+       /* create the same lpm simultaneously on all threads */
+       for (i = 0; i < MAX_ITER_TIMES; i++) {
+               lpm = rte_lpm_create("fr_test_once",  SOCKET_ID_ANY, 4, RTE_LPM_HEAP);
+               if ((NULL == lpm) && (rte_lpm_find_existing("fr_test_once") == NULL))
+                       return -1;
+       }
+
+       /* create mutiple fbk tables simultaneously */
+       for (i = 0; i < MAX_LPM_ITER_TIMES; i++) {
+               rte_snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d", lcore_self, i);
+               lpm = rte_lpm_create(lpm_name, SOCKET_ID_ANY, 4, RTE_LPM_HEAP);
+               if (NULL == lpm)
+                       return -1;      
+
+               /* verify correct existing and then free all */
+               if (lpm != rte_lpm_find_existing(lpm_name))
+                       return -1;
+
+               rte_lpm_free(lpm);
+       }
+
+       /* verify free correct */
+       for (i = 0; i < MAX_LPM_ITER_TIMES; i++) {
+               rte_snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d",  lcore_self, i);
+               if (NULL != rte_lpm_find_existing(lpm_name))
+                       return -1;
+       }
+
+       return 0;
+}
+
+struct test_case{
+       case_func_t    func;
+       void*          arg;
+       case_clean_t   clean;
+       char           name[MAX_STRING_SIZE];
+};
+
+/* All test cases in the test suite */
+struct test_case test_cases[] = {
+       { test_eal_init_once,     NULL,  NULL,         "eal init once" },
+       { ring_create_lookup,     NULL,  NULL,         "ring create/lookup" },
+       { mempool_create_lookup,  NULL,  NULL,         "mempool create/lookup" },
+       { hash_create_free,       NULL,  hash_clean,   "hash create/free" },
+       { fbk_create_free,        NULL,  fbk_clean,    "fbk create/free" },
+       { lpm_create_free,        NULL,  lpm_clean,    "lpm create/free" },
+};
+
+/** 
+ * launch test case in two separate thread 
+ */
+static int
+launch_test(struct test_case *pt_case)
+{
+       int ret = 0;
+       unsigned lcore_id;
+       unsigned cores_save = rte_lcore_count();
+       unsigned cores = RTE_MIN(cores_save, MAX_LCORES);
+
+       if (pt_case->func == NULL)
+               return -1;
+
+       rte_atomic32_set(&synchro, 0);
+
+       RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+               if (cores == 1)
+                       break;
+               cores--;
+               rte_eal_remote_launch(pt_case->func, pt_case->arg, lcore_id);
+       }
+
+       rte_atomic32_set(&synchro, 1);
+
+       if (pt_case->func(pt_case->arg) < 0)
+               ret = -1;
+
+       cores = cores_save;
+       RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+               if (cores == 1)
+                       break;
+               cores--;
+               if (rte_eal_wait_lcore(lcore_id) < 0)
+                       ret = -1;
+               
+               if (pt_case->clean != NULL)
+                       pt_case->clean(lcore_id);
+       }
+       
+       return ret;
+}
+
+/**
+ * Main entry of func_reentrancy test
+ */
+int
+test_func_reentrancy(void)
+{
+       uint32_t case_id;
+       struct test_case *pt_case = NULL;
+
+       if (rte_lcore_count() <= 1) {
+               printf("Not enough lcore for testing\n");
+               return -1;
+       }
+       else if (rte_lcore_count() > MAX_LCORES)
+               printf("Too many lcores, some cores will be disabled\n");
+
+       for (case_id = 0; case_id < sizeof(test_cases)/sizeof(struct test_case); case_id ++) {
+               pt_case = &test_cases[case_id];
+               if (pt_case->func == NULL)
+                       continue;
+                      
+               if (launch_test(pt_case) < 0) {
+                       printf("Func-ReEnt CASE %"PRIu32": %s FAIL\n", case_id, pt_case->name);
+                       return -1;
+               }
+               printf("Func-ReEnt CASE %"PRIu32": %s PASS\n", case_id, pt_case->name);
+       }
+
+       return 0;
+}