Hi Mike,

Got:
PASS: odp_thread
PASS: odp_process
../../../test-driver: line 107:  7705 Segmentation fault      (core dumped)
"$@" > $log_file 2>&1
FAIL: odp_ring
when running
PATCH_DIR=/home/erachmi/incoming ./apply-and-build.sh
(check-odp)


On 27 May 2015 at 19:39, Mike Holmes <[email protected]> wrote:

> Signed-off-by: Mike Holmes <[email protected]>
> ---
>  helper/test/.gitignore  |   1 +
>  helper/test/Makefile.am |   4 +-
>  helper/test/odp_ring.c  | 556
> ++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 560 insertions(+), 1 deletion(-)
>  create mode 100644 helper/test/odp_ring.c
>
> diff --git a/helper/test/.gitignore b/helper/test/.gitignore
> index fe65f30..c4fd3d1 100644
> --- a/helper/test/.gitignore
> +++ b/helper/test/.gitignore
> @@ -2,3 +2,4 @@
>  *.log
>  odp_process
>  odp_thread
> +odp_ring
> diff --git a/helper/test/Makefile.am b/helper/test/Makefile.am
> index f330533..a511f67 100644
> --- a/helper/test/Makefile.am
> +++ b/helper/test/Makefile.am
> @@ -6,7 +6,8 @@ AM_LDFLAGS += -static
>  TESTS_ENVIRONMENT = ODP_PLATFORM=${with_platform} TEST_DIR=${builddir}
>
>  EXECUTABLES = odp_thread \
> -              odp_process
> +              odp_process \
> +              odp_ring
>
>  COMPILE_ONLY =
>
> @@ -23,3 +24,4 @@ bin_PROGRAMS = $(EXECUTABLES) $(COMPILE_ONLY)
>
>  dist_odp_thread_SOURCES = odp_thread.c
>  dist_odp_process_SOURCES = odp_process.c
> +dist_odp_ring_SOURCES = odp_ring.c
> diff --git a/helper/test/odp_ring.c b/helper/test/odp_ring.c
> new file mode 100644
> index 0000000..5c4f229
> --- /dev/null
> +++ b/helper/test/odp_ring.c
> @@ -0,0 +1,556 @@
> +/* Copyright (c) 2015, Linaro Limited
> + * All rights reserved.
> + *
> + * SPDX-License-Identifier:     BSD-3-Clause
> + */
> +
> +/*-
> + *   BSD LICENSE
> + *
> + *   Copyright(c) 2010-2013 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.
> + */
> +
> +/**
> + * @file
> + *
> + * ODP test ring
> + */
> +
> +#include <stdlib.h>
> +#include <stdio.h>
> +#include <string.h>
> +#include <odp.h>
> +#include <odp/helper/ring.h>
> +#include <odp/helper/linux.h>
> +#include <test_debug.h>
> +
> +#define RING_SIZE 4096
> +#define MAX_BULK 32
> +
> +#define RING_TEST_BASIC
> +#define MAX_WORKERS 32 /**< Maximum number of work threads */
> +
> +/* Globals */
> +static odph_linux_pthread_t thread_tbl[MAX_WORKERS]; /**< worker threads
> table*/
> +static int num_workers;                                    /**< number of
> workers */
> +
> +typedef enum {
> +       ODP_ATOMIC_TEST = 0,
> +       ODP_SHM_TEST,
> +       ODP_RING_TEST_BASIC,
> +       ODP_RING_TEST_STRESS,
> +       ODP_TIMER_PING_TEST,
> +       ODP_MAX_TEST
> +} odp_test_case_e;
> +
> +/**
> + * Thread argument
> + */
> +typedef struct {
> +       int testcase; /**< specifies which set of API's to exercise */
> +       int numthrds; /**< no of pthreads to create */
> +} pthrd_arg;
> +
> +/**
> + * Print system information
> + */
> +static void odp_print_system_info(void)
> +{
> +       odp_cpumask_t cpumask;
> +       char str[ODP_CPUMASK_STR_SIZE];
> +
> +       memset(str, 1, sizeof(str));
> +
> +       odp_cpumask_zero(&cpumask);
> +
> +       odp_cpumask_from_str(&cpumask, "0x1");
> +       (void)odp_cpumask_to_str(&cpumask, str, sizeof(str));
> +
> +       printf("\n");
> +       printf("ODP system info\n");
> +       printf("---------------\n");
> +       printf("ODP API version: %s\n",        odp_version_api_str());
> +       printf("CPU model:       %s\n",        odp_sys_cpu_model_str());
> +       printf("CPU freq (hz):   %" PRIu64 "\n", odp_sys_cpu_hz());
> +       printf("Cache line size: %i\n",        odp_sys_cache_line_size());
> +       printf("CPU count:       %i\n",        odp_cpu_count());
> +       printf("CPU mask:        %s\n",        str);
> +
> +       printf("\n");
> +}
> +
> +/** test init globals and call odp_init_global() */
> +static int odp_test_global_init(void)
> +{
> +       memset(thread_tbl, 0, sizeof(thread_tbl));
> +
> +       if (odp_init_global(NULL, NULL)) {
> +               LOG_ERR("ODP global init failed.\n");
> +               return -1;
> +       }
> +
> +       num_workers = odp_cpu_count();
> +       /* force to max CPU count */
> +       if (num_workers > MAX_WORKERS)
> +               num_workers = MAX_WORKERS;
> +
> +       return 0;
> +}
> +
> +/** create test thread */
> +static int odp_test_thread_create(void *func_ptr(void *), pthrd_arg *arg)
> +{
> +       odp_cpumask_t cpumask;
> +
> +       /* Create and init additional threads */
> +       odph_linux_cpumask_default(&cpumask, arg->numthrds);
> +       odph_linux_pthread_create(thread_tbl, &cpumask, func_ptr,
> +                                 (void *)arg);
> +
> +       return 0;
> +}
> +
> +/** exit from test thread */
> +static int odp_test_thread_exit(pthrd_arg *arg)
> +{
> +       /* Wait for other threads to exit */
> +       odph_linux_pthread_join(thread_tbl, arg->numthrds);
> +
> +       return 0;
> +}
> +
> +static int test_ring_basic(odph_ring_t *r)
> +{
> +       void **src = NULL, **cur_src = NULL, **dst = NULL, **cur_dst =
> NULL;
> +       int ret;
> +       unsigned i, num_elems;
> +
> +       /* alloc dummy object pointers */
> +       src = malloc(RING_SIZE * 2 * sizeof(void *));
> +       if (!src) {
> +               LOG_ERR("failed to allocate test ring src memory\n");
> +               goto fail;
> +       }
> +       for (i = 0; i < RING_SIZE * 2; i++)
> +               src[i] = (void *)(unsigned long)i;
> +
> +       cur_src = src;
> +
> +       /* alloc some room for copied objects */
> +       dst = malloc(RING_SIZE * 2 * sizeof(void *));
> +       if (!dst) {
> +               LOG_ERR("failed to allocate test ring dst memory\n");
> +               goto fail;
> +       }
> +
> +       memset(dst, 0, RING_SIZE * 2 * sizeof(void *));
> +       cur_dst = dst;
> +
> +       printf("Test SP & SC basic functions\n");
> +       printf("enqueue 1 obj\n");
> +       ret = odph_ring_sp_enqueue_burst(r, cur_src, 1);
> +       cur_src += 1;
> +       if ((ret & ODPH_RING_SZ_MASK) != 1) {
> +               LOG_ERR("sp_enq for 1 obj failed\n");
> +               goto fail;
> +       }
> +
> +       printf("enqueue 2 objs\n");
> +       ret = odph_ring_sp_enqueue_burst(r, cur_src, 2);
> +       cur_src += 2;
> +       if ((ret & ODPH_RING_SZ_MASK) != 2) {
> +               LOG_ERR("sp_enq for 2 obj failed\n");
> +               goto fail;
> +       }
> +
> +       printf("enqueue MAX_BULK objs\n");
> +       ret = odph_ring_sp_enqueue_burst(r, cur_src, MAX_BULK);
> +       if ((ret & ODPH_RING_SZ_MASK) != MAX_BULK) {
> +               LOG_ERR("sp_enq for %d obj failed\n", MAX_BULK);
> +               goto fail;
> +       }
> +
> +       printf("dequeue 1 obj\n");
> +       ret = odph_ring_sc_dequeue_burst(r, cur_dst, 1);
> +       cur_dst += 1;
> +       if ((ret & ODPH_RING_SZ_MASK) != 1) {
> +               LOG_ERR("sc_deq for 1 obj failed\n");
> +               goto fail;
> +       }
> +
> +       printf("dequeue 2 objs\n");
> +       ret = odph_ring_sc_dequeue_burst(r, cur_dst, 2);
> +       cur_dst += 2;
> +       if ((ret & ODPH_RING_SZ_MASK) != 2) {
> +               LOG_ERR("sc_deq for 2 obj failed\n");
> +               goto fail;
> +       }
> +
> +       printf("dequeue MAX_BULK objs\n");
> +       ret = odph_ring_sc_dequeue_burst(r, cur_dst, MAX_BULK);
> +       cur_dst += MAX_BULK;
> +       if ((ret & ODPH_RING_SZ_MASK) != MAX_BULK) {
> +               LOG_ERR("sc_deq for %d obj failed\n", MAX_BULK);
> +               goto fail;
> +       }
> +
> +       /* check data */
> +       if (memcmp(src, dst, cur_dst - dst)) {
> +               LOG_ERR("data after dequeue is not the same\n");
> +               goto fail;
> +       }
> +
> +       cur_src = src;
> +       cur_dst = dst;
> +
> +       printf("Test MP & MC basic functions\n");
> +
> +       printf("enqueue 1 obj\n");
> +       ret = odph_ring_mp_enqueue_bulk(r, cur_src, 1);
> +       cur_src += 1;
> +       if (ret != 0) {
> +               LOG_ERR("mp_enq for 1 obj failed\n");
> +               goto fail;
> +       }
> +       printf("enqueue 2 objs\n");
> +       ret = odph_ring_mp_enqueue_bulk(r, cur_src, 2);
> +       cur_src += 2;
> +       if (ret != 0) {
> +               LOG_ERR("mp_enq for 2 obj failed\n");
> +               goto fail;
> +       }
> +       printf("enqueue MAX_BULK objs\n");
> +       ret = odph_ring_mp_enqueue_bulk(r, cur_src, MAX_BULK);
> +       if (ret != 0) {
> +               LOG_ERR("mp_enq for %d obj failed\n", MAX_BULK);
> +               goto fail;
> +       }
> +       printf("dequeue 1 obj\n");
> +       ret = odph_ring_mc_dequeue_bulk(r, cur_dst, 1);
> +       cur_dst += 1;
> +       if (ret != 0) {
> +               LOG_ERR("mc_deq for 1 obj failed\n");
> +               goto fail;
> +       }
> +       printf("dequeue 2 objs\n");
> +       ret = odph_ring_mc_dequeue_bulk(r, cur_dst, 2);
> +       cur_dst += 2;
> +       if (ret != 0) {
> +               LOG_ERR("mc_deq for 2 obj failed\n");
> +               goto fail;
> +       }
> +       printf("dequeue MAX_BULK objs\n");
> +       ret = odph_ring_mc_dequeue_bulk(r, cur_dst, MAX_BULK);
> +       cur_dst += MAX_BULK;
> +       if (ret != 0) {
> +               LOG_ERR("mc_deq for %d obj failed\n", MAX_BULK);
> +               goto fail;
> +       }
> +       /* check data */
> +       if (memcmp(src, dst, cur_dst - dst)) {
> +               LOG_ERR("data after dequeue is not the same\n");
> +               goto fail;
> +       }
> +
> +       printf("test watermark and default bulk enqueue / dequeue\n");
> +       odph_ring_set_water_mark(r, 20);
> +       num_elems = 16;
> +
> +       cur_src = src;
> +       cur_dst = dst;
> +
> +       ret = odph_ring_mp_enqueue_bulk(r, cur_src, num_elems);
> +       cur_src += num_elems;
> +       if (ret != 0) {
> +               LOG_ERR("Cannot enqueue\n");
> +               goto fail;
> +       }
> +       ret = odph_ring_mp_enqueue_bulk(r, cur_src, num_elems);
> +       if (ret != -EDQUOT) {
> +               LOG_ERR("Watermark not exceeded\n");
> +               goto fail;
> +       }
> +       ret = odph_ring_mc_dequeue_bulk(r, cur_dst, num_elems);
> +       cur_dst += num_elems;
> +       if (ret != 0) {
> +               LOG_ERR("Cannot dequeue\n");
> +               goto fail;
> +       }
> +       ret = odph_ring_mc_dequeue_bulk(r, cur_dst, num_elems);
> +       cur_dst += num_elems;
> +       if (ret != 0) {
> +               LOG_ERR("Cannot dequeue2\n");
> +               goto fail;
> +       }
> +
> +       /* check data */
> +       if (memcmp(src, dst, cur_dst - dst)) {
> +               LOG_ERR("data after dequeue is not the same\n");
> +               goto fail;
> +       }
> +
> +       printf("basic enqueu, dequeue test for ring <%s>@%p passed\n",
> +              r->name, r);
> +
> +       free(src);
> +       free(dst);
> +       return 0;
> +
> +fail:
> +       free(src);
> +       free(dst);
> +       return -1;
> +}
> +
> +/* global shared ring used for stress testing */
> +static odph_ring_t *r_stress;
> +
> +/* Stress func for Multi producer only */
> +static int producer_fn(void)
> +{
> +       unsigned i;
> +
> +       void **src = NULL;
> +
> +       /* alloc dummy object pointers */
> +       src = malloc(MAX_BULK * 2 * sizeof(void *));
> +       if (!src) {
> +               LOG_ERR("failed to allocate producer memory.\n");
> +               return -1;
> +       }
> +       for (i = 0; i < MAX_BULK; i++)
> +               src[i] = (void *)(unsigned long)i;
> +
> +       do {
> +               i = odph_ring_mp_enqueue_bulk(r_stress, src, MAX_BULK);
> +               if (i == 0) {
> +                       free(src);
> +                       return 0;
> +               }
> +       } while (1);
> +}
> +
> +/* Stress func for Multi consumer only */
> +static int consumer_fn(void)
> +{
> +       unsigned i;
> +       void **src = NULL;
> +
> +       /* alloc dummy object pointers */
> +       src = malloc(MAX_BULK * 2 * sizeof(void *));
> +       if (!src) {
> +               LOG_ERR("failed to allocate consumer memory.\n");
> +               return -1;
> +       }
> +
> +       do {
> +               i = odph_ring_mc_dequeue_bulk(r_stress, src, MAX_BULK);
> +               if (i == 0) {
> +                       for (i = 0; i < MAX_BULK; i++) {
> +                               if (src[i] != (void *)(unsigned long)i) {
> +                                       free(src);
> +                                       printf("data mismatch.. lockless
> ops fail\n");
> +                                       return -1;
> +                               }
> +                       }
> +                       free(src);
> +                       printf("\n Test OK !\n");
> +                       return 0;
> +               }
> +       } while (1);
> +}
> +
> +/*
> + * Note : make sure that both enqueue and dequeue
> + * operation starts at same time so to avoid data corruption
> + * Its because atomic lock will protect only indexes, but if order of
> + * read or write operation incorrect then data mismatch will happen
> + * So its resposibility of application develop to take care of order of
> + * data read or write.
> +*/
> +typedef enum {
> +       one_enq_one_deq,        /* One thread to enqueue one to
> +                                  dequeu at same time */
> +       one_enq_rest_deq,       /* one thread to enq rest to
> +                                  dequeue at same time */
> +       one_deq_rest_enq,       /* one to deq and rest enq at very same
> time */
> +       multi_enq_multi_deq     /* multiple enq,deq */
> +} stress_type_t;
> +
> +static void test_ring_stress(stress_type_t type)
> +{
> +       int thr;
> +
> +       thr = odp_thread_id();
> +
> +       switch (type) {
> +       case one_enq_one_deq:
> +
> +               if (thr == 1)
> +                       producer_fn();
> +               if (thr == 2)
> +                       consumer_fn();
> +               break;
> +
> +       case multi_enq_multi_deq:
> +               if (thr % 2 == 0)
> +                       producer_fn();
> +               else
> +                       consumer_fn();
> +               break;
> +
> +       case one_deq_rest_enq:
> +       case one_enq_rest_deq:/*TBD*/
> +       default:
> +               LOG_ERR("Invalid stress type or test case yet not
> supported\n");
> +       }
> +}
> +
> +/* local struct for ring_thread argument */
> +typedef struct {
> +       pthrd_arg thrdarg;
> +       int stress_type;
> +} ring_arg_t;
> +
> +static void *test_ring(void *arg)
> +{
> +       ring_arg_t *parg = (ring_arg_t *)arg;
> +       int thr;
> +       char ring_name[ODPH_RING_NAMESIZE];
> +       odph_ring_t *r;
> +       int result = 0;
> +
> +       thr = odp_thread_id();
> +
> +       printf("Thread %i starts\n", thr);
> +
> +       switch (parg->thrdarg.testcase) {
> +       case ODP_RING_TEST_BASIC:
> +               snprintf(ring_name, sizeof(ring_name), "test_ring_%i",
> thr);
> +
> +               r = odph_ring_create(ring_name, RING_SIZE,
> +                                    0 /* not used, alignement
> +                                        taken care inside func : todo */);
> +               if (!r) {
> +                       LOG_ERR("ring create failed\n");
> +                       result = -1;
> +                       break;
> +               }
> +               /* lookup ring from its name */
> +               if (odph_ring_lookup(ring_name) != r) {
> +                       LOG_ERR("ring lookup failed\n");
> +                       result = -1;
> +                       break;
> +               }
> +
> +               /* basic operations */
> +               if (test_ring_basic(r) < 0) {
> +                       LOG_ERR("ring basic enqueue/dequeu ops failed\n");
> +                       result = -1;
> +               }
> +
> +               /* dump ring stats */
> +               odph_ring_list_dump();
> +
> +               break;
> +
> +       case ODP_RING_TEST_STRESS:
> +               test_ring_stress(parg->stress_type);
> +
> +               /* dump ring stats */
> +               odph_ring_list_dump();
> +               break;
> +
> +       default:
> +               LOG_ERR("Invalid test case [%d]\n",
> parg->thrdarg.testcase);
> +               result = -1;
> +               break;
> +       }
> +
> +       LOG_DBG("result = %d\n", result);
> +       if (result == 0)
> +               printf("test_ring Result:pass\n");
> +       else
> +               printf("test_ring Result:fail\n");
> +
> +       fflush(stdout);
> +
> +       return parg;
> +}
> +
> +int main(int argc __attribute__((__unused__)),
> +        char *argv[] __attribute__((__unused__)))
> +{
> +       ring_arg_t rarg;
> +
> +       if (odp_test_global_init() != 0)
> +               return -1;
> +
> +       odp_print_system_info();
> +
> +       odph_ring_tailq_init();
> +
> +       rarg.thrdarg.numthrds = odp_cpu_count();
> +
> +#ifdef RING_TEST_BASIC
> +       rarg.thrdarg.testcase = ODP_RING_TEST_BASIC;
> +#else
> +       rarg.thrdarg.testcase = ODP_RING_TEST_STRESS;
> +       rarg.stress_type = one_enq_one_deq;
> +/*     rarg.stress_type = multi_enq_multi_deq;*/
> +       char ring_name[ODPH_RING_NAMESIZE];
> +
> +       printf("starting stess test type : %d..\n", rarg.stress_type);
> +       /* create a ring */
> +       snprintf(ring_name, sizeof(ring_name), "test_ring_stress");
> +
> +       r_stress = odph_ring_create(ring_name, RING_SIZE,
> +                                   0 /* not used, alignement
> +                                   taken care inside func : todo */);
> +       if (!r_stress) {
> +               LOG_ERR("ring create failed\n");
> +               goto fail;
> +       }
> +       /* lookup ring from its name */
> +       if (odph_ring_lookup(ring_name) != r_stress) {
> +               LOG_ERR("ring lookup failed\n");
> +               goto fail;
> +       }
> +#endif
> +       odp_test_thread_create(test_ring, (pthrd_arg *)&rarg);
> +
> +#ifndef RING_TEST_BASIC
> +fail:
> +#endif
> +
> +       odp_test_thread_exit(&rarg.thrdarg);
> +
> +       return 0;
> +}
> --
> 2.1.4
>
>
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