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GET /api/patches/125203/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 125203,
    "url": "https://patches.dpdk.org/api/patches/125203/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20230316211434.13409-5-syalavarthi@marvell.com/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20230316211434.13409-5-syalavarthi@marvell.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20230316211434.13409-5-syalavarthi@marvell.com",
    "date": "2023-03-16T21:14:27",
    "name": "[v7,04/11] app/mldev: add test case to validate model ops",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "528f7cfffabc0b582d90470d1bcd3e69ce0b1569",
    "submitter": {
        "id": 2480,
        "url": "https://patches.dpdk.org/api/people/2480/?format=api",
        "name": "Srikanth Yalavarthi",
        "email": "syalavarthi@marvell.com"
    },
    "delegate": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20230316211434.13409-5-syalavarthi@marvell.com/mbox/",
    "series": [
        {
            "id": 27428,
            "url": "https://patches.dpdk.org/api/series/27428/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=27428",
            "date": "2023-03-16T21:14:23",
            "name": "Implementation of mldev test application",
            "version": 7,
            "mbox": "https://patches.dpdk.org/series/27428/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/125203/comments/",
    "check": "warning",
    "checks": "https://patches.dpdk.org/api/patches/125203/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
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        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com;\n h=from : to : cc :\n subject : date : message-id : in-reply-to : references : mime-version :\n content-type; s=pfpt0220; bh=Ncym7/ylaNb6HPNHhufsRMQH1wpL8nJHtncntrlREnU=;\n b=Hgeif2L5ByBKxY3MHGFUCkl/dpn7KCgq3wcA0fqpG/JwiUtSO3yjRIQhTGEDsHkkD3gB\n 9ZTJaqYwTkKEFvVywT25oMf1L0XcMI2IrleuyQBigSpPKZY3Xp7Z0UVQTk2J21VT7tGJ\n FJ8GR75VMjR3J9knkfK4ZXyqx9qr+Gjjl3rk3BU3jRtqbVkLOorUCE0w3QcBxyGzPzKH\n kckfUFVBhPZWcr6Xe9SkNrDsTyzc6zpWtIlHnMzqSkohEOrGbyX9Fh/nKWCQt6rZYoZ4\n iALUZNIRfCMEw//Tb2rCn/YHePX+7IJ60CXsAJjN80G7fnARdL5AMc0C+/rPToNhMbrq 8g==",
        "From": "Srikanth Yalavarthi <syalavarthi@marvell.com>",
        "To": "Srikanth Yalavarthi <syalavarthi@marvell.com>",
        "CC": "<dev@dpdk.org>, <sshankarnara@marvell.com>, <jerinj@marvell.com>,\n <aprabhu@marvell.com>, <ptakkar@marvell.com>, <pshukla@marvell.com>",
        "Subject": "[PATCH v7 04/11] app/mldev: add test case to validate model ops",
        "Date": "Thu, 16 Mar 2023 14:14:27 -0700",
        "Message-ID": "<20230316211434.13409-5-syalavarthi@marvell.com>",
        "X-Mailer": "git-send-email 2.17.1",
        "In-Reply-To": "<20230316211434.13409-1-syalavarthi@marvell.com>",
        "References": "<20221129070746.20396-1-syalavarthi@marvell.com>\n <20230316211434.13409-1-syalavarthi@marvell.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain",
        "X-Proofpoint-GUID": "qUY-7EUybbYRJWsdKNYkuXCPKJ3s8amz",
        "X-Proofpoint-ORIG-GUID": "qUY-7EUybbYRJWsdKNYkuXCPKJ3s8amz",
        "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22\n definitions=2023-03-16_14,2023-03-16_02,2023-02-09_01",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "Added test case to validate model operations. Model ops test\nis a collection of sub-tests. Each sub-test invokes the model\noperations in a specific order.\n\nSub-test A: (load -> start -> stop -> unload) x n\nSub-test B: load x n -> start x n -> stop x n -> unload x n\nSub-test C: load x n + (start  + stop) x n + unload x n\nSub-test D: (load + start) x n -> (stop + unload) x n\n\nAdded internal functions to handle model load, start, stop and\nunload. List of models to be used for testing can be specified\nthrough application argument \"--models\"\n\nSigned-off-by: Srikanth Yalavarthi <syalavarthi@marvell.com>\nAcked-by: Anup Prabhu <aprabhu@marvell.com>\n---\n app/test-mldev/meson.build                    |   2 +\n app/test-mldev/ml_options.c                   |  39 ++\n app/test-mldev/ml_options.h                   |   6 +\n app/test-mldev/test_model_common.c            | 158 +++++++\n app/test-mldev/test_model_common.h            |  34 ++\n app/test-mldev/test_model_ops.c               | 428 ++++++++++++++++++\n app/test-mldev/test_model_ops.h               |  20 +\n .../tools/img/mldev_model_ops_subtest_a.svg   | 420 +++++++++++++++++\n .../tools/img/mldev_model_ops_subtest_b.svg   | 423 +++++++++++++++++\n .../tools/img/mldev_model_ops_subtest_c.svg   | 366 +++++++++++++++\n .../tools/img/mldev_model_ops_subtest_d.svg   | 424 +++++++++++++++++\n doc/guides/tools/testmldev.rst                |  97 +++-\n 12 files changed, 2415 insertions(+), 2 deletions(-)\n create mode 100644 app/test-mldev/test_model_common.c\n create mode 100644 app/test-mldev/test_model_common.h\n create mode 100644 app/test-mldev/test_model_ops.c\n create mode 100644 app/test-mldev/test_model_ops.h\n create mode 100644 doc/guides/tools/img/mldev_model_ops_subtest_a.svg\n create mode 100644 doc/guides/tools/img/mldev_model_ops_subtest_b.svg\n create mode 100644 doc/guides/tools/img/mldev_model_ops_subtest_c.svg\n create mode 100644 doc/guides/tools/img/mldev_model_ops_subtest_d.svg",
    "diff": "diff --git a/app/test-mldev/meson.build b/app/test-mldev/meson.build\nindex 60ea23d142..b09e1ccc8a 100644\n--- a/app/test-mldev/meson.build\n+++ b/app/test-mldev/meson.build\n@@ -14,6 +14,8 @@ sources = files(\n         'parser.c',\n         'test_common.c',\n         'test_device_ops.c',\n+        'test_model_common.c',\n+        'test_model_ops.c',\n )\n \n deps += ['mldev']\ndiff --git a/app/test-mldev/ml_options.c b/app/test-mldev/ml_options.c\nindex 854d316521..8ffbab7f75 100644\n--- a/app/test-mldev/ml_options.c\n+++ b/app/test-mldev/ml_options.c\n@@ -22,6 +22,7 @@ ml_options_default(struct ml_options *opt)\n \tstrlcpy(opt->test_name, \"device_ops\", ML_TEST_NAME_MAX_LEN);\n \topt->dev_id = 0;\n \topt->socket_id = SOCKET_ID_ANY;\n+\topt->nb_filelist = 0;\n \topt->debug = false;\n }\n \n@@ -58,11 +59,47 @@ ml_parse_socket_id(struct ml_options *opt, const char *arg)\n \treturn 0;\n }\n \n+static int\n+ml_parse_models(struct ml_options *opt, const char *arg)\n+{\n+\tconst char *delim = \",\";\n+\tchar models[PATH_MAX];\n+\tchar *token;\n+\tint ret = 0;\n+\n+\tstrlcpy(models, arg, PATH_MAX);\n+\n+\ttoken = strtok(models, delim);\n+\twhile (token != NULL) {\n+\t\tstrlcpy(opt->filelist[opt->nb_filelist].model, token, PATH_MAX);\n+\t\topt->nb_filelist++;\n+\n+\t\tif (opt->nb_filelist >= ML_TEST_MAX_MODELS) {\n+\t\t\tml_err(\"Exceeded model count, max = %d\\n\", ML_TEST_MAX_MODELS);\n+\t\t\tret = -EINVAL;\n+\t\t\tbreak;\n+\t\t}\n+\t\ttoken = strtok(NULL, delim);\n+\t}\n+\n+\tif (opt->nb_filelist == 0) {\n+\t\tml_err(\"Models list is empty. Need at least one model for the test\");\n+\t\tret = -EINVAL;\n+\t}\n+\n+\treturn ret;\n+}\n+\n static void\n ml_dump_test_options(const char *testname)\n {\n \tif (strcmp(testname, \"device_ops\") == 0)\n \t\tprintf(\"\\n\");\n+\n+\tif (strcmp(testname, \"model_ops\") == 0) {\n+\t\tprintf(\"\\t\\t--models           : comma separated list of models\\n\");\n+\t\tprintf(\"\\n\");\n+\t}\n }\n \n static void\n@@ -84,6 +121,7 @@ static struct option lgopts[] = {\n \t{ML_TEST, 1, 0, 0},\n \t{ML_DEVICE_ID, 1, 0, 0},\n \t{ML_SOCKET_ID, 1, 0, 0},\n+\t{ML_MODELS, 1, 0, 0},\n \t{ML_DEBUG, 0, 0, 0},\n \t{ML_HELP, 0, 0, 0},\n \t{NULL, 0, 0, 0}};\n@@ -97,6 +135,7 @@ ml_opts_parse_long(int opt_idx, struct ml_options *opt)\n \t\t{ML_TEST, ml_parse_test_name},\n \t\t{ML_DEVICE_ID, ml_parse_dev_id},\n \t\t{ML_SOCKET_ID, ml_parse_socket_id},\n+\t\t{ML_MODELS, ml_parse_models},\n \t};\n \n \tfor (i = 0; i < RTE_DIM(parsermap); i++) {\ndiff --git a/app/test-mldev/ml_options.h b/app/test-mldev/ml_options.h\nindex 6899cc2f88..61e938d2e2 100644\n--- a/app/test-mldev/ml_options.h\n+++ b/app/test-mldev/ml_options.h\n@@ -15,13 +15,19 @@\n #define ML_TEST\t     (\"test\")\n #define ML_DEVICE_ID (\"dev_id\")\n #define ML_SOCKET_ID (\"socket_id\")\n+#define ML_MODELS    (\"models\")\n #define ML_DEBUG     (\"debug\")\n #define ML_HELP\t     (\"help\")\n \n+struct ml_filelist {\n+\tchar model[PATH_MAX];\n+};\n+\n struct ml_options {\n \tchar test_name[ML_TEST_NAME_MAX_LEN];\n \tint16_t dev_id;\n \tint socket_id;\n+\tstruct ml_filelist filelist[ML_TEST_MAX_MODELS];\n \tuint8_t nb_filelist;\n \tbool debug;\n };\ndiff --git a/app/test-mldev/test_model_common.c b/app/test-mldev/test_model_common.c\nnew file mode 100644\nindex 0000000000..b94d46154d\n--- /dev/null\n+++ b/app/test-mldev/test_model_common.c\n@@ -0,0 +1,158 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright (c) 2022 Marvell.\n+ */\n+\n+#include <errno.h>\n+\n+#include <rte_common.h>\n+#include <rte_malloc.h>\n+#include <rte_mldev.h>\n+\n+#include \"ml_common.h\"\n+#include \"test_model_common.h\"\n+\n+int\n+ml_model_load(struct ml_test *test, struct ml_options *opt, struct ml_model *model, uint16_t fid)\n+{\n+\tstruct test_common *t = ml_test_priv(test);\n+\tstruct rte_ml_model_params model_params;\n+\tFILE *fp;\n+\tint ret;\n+\n+\tif (model->state == MODEL_LOADED)\n+\t\treturn 0;\n+\n+\tif (model->state != MODEL_INITIAL)\n+\t\treturn -EINVAL;\n+\n+\t/* read model binary */\n+\tfp = fopen(opt->filelist[fid].model, \"r\");\n+\tif (fp == NULL) {\n+\t\tml_err(\"Failed to open model file : %s\\n\", opt->filelist[fid].model);\n+\t\treturn -1;\n+\t}\n+\n+\tfseek(fp, 0, SEEK_END);\n+\tmodel_params.size = ftell(fp);\n+\tfseek(fp, 0, SEEK_SET);\n+\n+\tmodel_params.addr = rte_malloc_socket(\"ml_model\", model_params.size,\n+\t\t\t\t\t      t->dev_info.min_align_size, opt->socket_id);\n+\tif (model_params.addr == NULL) {\n+\t\tml_err(\"Failed to allocate memory for model: %s\\n\", opt->filelist[fid].model);\n+\t\tfclose(fp);\n+\t\treturn -ENOMEM;\n+\t}\n+\n+\tif (fread(model_params.addr, 1, model_params.size, fp) != model_params.size) {\n+\t\tml_err(\"Failed to read model file : %s\\n\", opt->filelist[fid].model);\n+\t\trte_free(model_params.addr);\n+\t\tfclose(fp);\n+\t\treturn -1;\n+\t}\n+\tfclose(fp);\n+\n+\t/* load model to device */\n+\tret = rte_ml_model_load(opt->dev_id, &model_params, &model->id);\n+\tif (ret != 0) {\n+\t\tml_err(\"Failed to load model : %s\\n\", opt->filelist[fid].model);\n+\t\tmodel->state = MODEL_ERROR;\n+\t\trte_free(model_params.addr);\n+\t\treturn ret;\n+\t}\n+\n+\t/* release mz */\n+\trte_free(model_params.addr);\n+\n+\t/* get model info */\n+\tret = rte_ml_model_info_get(opt->dev_id, model->id, &model->info);\n+\tif (ret != 0) {\n+\t\tml_err(\"Failed to get model info : %s\\n\", opt->filelist[fid].model);\n+\t\treturn ret;\n+\t}\n+\n+\tmodel->state = MODEL_LOADED;\n+\n+\treturn 0;\n+}\n+\n+int\n+ml_model_unload(struct ml_test *test, struct ml_options *opt, struct ml_model *model, uint16_t fid)\n+{\n+\tstruct test_common *t = ml_test_priv(test);\n+\tint ret;\n+\n+\tRTE_SET_USED(t);\n+\n+\tif (model->state == MODEL_INITIAL)\n+\t\treturn 0;\n+\n+\tif (model->state != MODEL_LOADED)\n+\t\treturn -EINVAL;\n+\n+\t/* unload model */\n+\tret = rte_ml_model_unload(opt->dev_id, model->id);\n+\tif (ret != 0) {\n+\t\tml_err(\"Failed to unload model: %s\\n\", opt->filelist[fid].model);\n+\t\tmodel->state = MODEL_ERROR;\n+\t\treturn ret;\n+\t}\n+\n+\tmodel->state = MODEL_INITIAL;\n+\n+\treturn 0;\n+}\n+\n+int\n+ml_model_start(struct ml_test *test, struct ml_options *opt, struct ml_model *model, uint16_t fid)\n+{\n+\tstruct test_common *t = ml_test_priv(test);\n+\tint ret;\n+\n+\tRTE_SET_USED(t);\n+\n+\tif (model->state == MODEL_STARTED)\n+\t\treturn 0;\n+\n+\tif (model->state != MODEL_LOADED)\n+\t\treturn -EINVAL;\n+\n+\t/* start model */\n+\tret = rte_ml_model_start(opt->dev_id, model->id);\n+\tif (ret != 0) {\n+\t\tml_err(\"Failed to start model : %s\\n\", opt->filelist[fid].model);\n+\t\tmodel->state = MODEL_ERROR;\n+\t\treturn ret;\n+\t}\n+\n+\tmodel->state = MODEL_STARTED;\n+\n+\treturn 0;\n+}\n+\n+int\n+ml_model_stop(struct ml_test *test, struct ml_options *opt, struct ml_model *model, uint16_t fid)\n+{\n+\tstruct test_common *t = ml_test_priv(test);\n+\tint ret;\n+\n+\tRTE_SET_USED(t);\n+\n+\tif (model->state == MODEL_LOADED)\n+\t\treturn 0;\n+\n+\tif (model->state != MODEL_STARTED)\n+\t\treturn -EINVAL;\n+\n+\t/* stop model */\n+\tret = rte_ml_model_stop(opt->dev_id, model->id);\n+\tif (ret != 0) {\n+\t\tml_err(\"Failed to stop model: %s\\n\", opt->filelist[fid].model);\n+\t\tmodel->state = MODEL_ERROR;\n+\t\treturn ret;\n+\t}\n+\n+\tmodel->state = MODEL_LOADED;\n+\n+\treturn 0;\n+}\ndiff --git a/app/test-mldev/test_model_common.h b/app/test-mldev/test_model_common.h\nnew file mode 100644\nindex 0000000000..74aec0a797\n--- /dev/null\n+++ b/app/test-mldev/test_model_common.h\n@@ -0,0 +1,34 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright (c) 2022 Marvell.\n+ */\n+\n+#ifndef _ML_TEST_MODEL_COMMON_\n+#define _ML_TEST_MODEL_COMMON_\n+\n+#include <rte_mldev.h>\n+\n+#include \"test_common.h\"\n+\n+enum model_state {\n+\tMODEL_INITIAL,\n+\tMODEL_LOADED,\n+\tMODEL_STARTED,\n+\tMODEL_ERROR,\n+};\n+\n+struct ml_model {\n+\tuint16_t id;\n+\tstruct rte_ml_model_info info;\n+\tenum model_state state;\n+};\n+\n+int ml_model_load(struct ml_test *test, struct ml_options *opt, struct ml_model *model,\n+\t\t  uint16_t fid);\n+int ml_model_unload(struct ml_test *test, struct ml_options *opt, struct ml_model *model,\n+\t\t    uint16_t fid);\n+int ml_model_start(struct ml_test *test, struct ml_options *opt, struct ml_model *model,\n+\t\t   uint16_t fid);\n+int ml_model_stop(struct ml_test *test, struct ml_options *opt, struct ml_model *model,\n+\t\t  uint16_t fid);\n+\n+#endif /* _ML_TEST_MODEL_COMMON_ */\ndiff --git a/app/test-mldev/test_model_ops.c b/app/test-mldev/test_model_ops.c\nnew file mode 100644\nindex 0000000000..0202b31190\n--- /dev/null\n+++ b/app/test-mldev/test_model_ops.c\n@@ -0,0 +1,428 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright (c) 2022 Marvell.\n+ */\n+\n+#include <unistd.h>\n+\n+#include <rte_common.h>\n+#include <rte_malloc.h>\n+#include <rte_mldev.h>\n+\n+#include \"test_model_ops.h\"\n+\n+static bool\n+test_model_ops_cap_check(struct ml_options *opt)\n+{\n+\tif (!ml_test_cap_check(opt))\n+\t\treturn false;\n+\n+\treturn true;\n+}\n+\n+static int\n+test_model_ops_opt_check(struct ml_options *opt)\n+{\n+\tuint32_t i;\n+\tint ret;\n+\n+\t/* check common opts */\n+\tret = ml_test_opt_check(opt);\n+\tif (ret != 0)\n+\t\treturn ret;\n+\n+\t/* check model file availability */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tif (access(opt->filelist[i].model, F_OK) == -1) {\n+\t\t\tml_err(\"Model file not available: id = %u, file = %s\", i,\n+\t\t\t       opt->filelist[i].model);\n+\t\t\treturn -ENOENT;\n+\t\t}\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static void\n+test_model_ops_opt_dump(struct ml_options *opt)\n+{\n+\tuint32_t i;\n+\n+\t/* dump common opts */\n+\tml_test_opt_dump(opt);\n+\n+\t/* dump test specific opts */\n+\tml_dump_begin(\"models\");\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_dump_list(\"model\", i, opt->filelist[i].model);\n+\tml_dump_end;\n+}\n+\n+static int\n+test_model_ops_setup(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\tvoid *test_model_ops;\n+\tint ret = 0;\n+\tuint32_t i;\n+\n+\t/* allocate model ops test structure */\n+\ttest_model_ops = rte_zmalloc_socket(test->name, sizeof(struct test_model_ops),\n+\t\t\t\t\t    RTE_CACHE_LINE_SIZE, opt->socket_id);\n+\tif (test_model_ops == NULL) {\n+\t\tml_err(\"Failed to allocate memory for test_model\");\n+\t\tret = -ENOMEM;\n+\t\tgoto error;\n+\t}\n+\ttest->test_priv = test_model_ops;\n+\tt = ml_test_priv(test);\n+\n+\tt->cmn.result = ML_TEST_FAILED;\n+\tt->cmn.opt = opt;\n+\n+\t/* get device info */\n+\tret = rte_ml_dev_info_get(opt->dev_id, &t->cmn.dev_info);\n+\tif (ret < 0) {\n+\t\tml_err(\"Failed to get device info\");\n+\t\tgoto error;\n+\t}\n+\n+\t/* set model initial state */\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tt->model[i].state = MODEL_INITIAL;\n+\n+\treturn 0;\n+\n+error:\n+\tif (test_model_ops != NULL)\n+\t\trte_free(test_model_ops);\n+\n+\treturn ret;\n+}\n+\n+static void\n+test_model_ops_destroy(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\n+\tRTE_SET_USED(opt);\n+\n+\tt = ml_test_priv(test);\n+\tif (t != NULL)\n+\t\trte_free(t);\n+}\n+\n+static int\n+test_model_ops_mldev_setup(struct ml_test *test, struct ml_options *opt)\n+{\n+\tint ret;\n+\n+\tret = ml_test_device_configure(test, opt);\n+\tif (ret != 0)\n+\t\treturn ret;\n+\n+\tret = ml_test_device_start(test, opt);\n+\tif (ret != 0)\n+\t\tgoto error;\n+\n+\treturn 0;\n+\n+error:\n+\tml_test_device_close(test, opt);\n+\n+\treturn ret;\n+}\n+\n+static int\n+test_model_ops_mldev_destroy(struct ml_test *test, struct ml_options *opt)\n+{\n+\tint ret;\n+\n+\tret = ml_test_device_stop(test, opt);\n+\tif (ret != 0)\n+\t\tgoto error;\n+\n+\tret = ml_test_device_close(test, opt);\n+\tif (ret != 0)\n+\t\treturn ret;\n+\n+\treturn 0;\n+\n+error:\n+\tml_test_device_close(test, opt);\n+\n+\treturn ret;\n+}\n+\n+/* Sub-test A: (load -> start -> stop -> unload) x n */\n+static int\n+test_model_ops_subtest_a(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\tint ret = 0;\n+\tuint32_t i;\n+\n+\tt = ml_test_priv(test);\n+\n+\t/* load + start + stop + unload */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_load(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\n+\t\tret = ml_model_start(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\n+\t\tret = ml_model_stop(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\n+\t\tret = ml_model_unload(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+error:\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_stop(test, opt, &t->model[i], i);\n+\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_unload(test, opt, &t->model[i], i);\n+\n+\treturn ret;\n+}\n+\n+/* Sub-test B: load x n -> start x n -> stop x n -> unload x n */\n+static int\n+test_model_ops_subtest_b(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\tint ret = 0;\n+\tuint32_t i;\n+\n+\tt = ml_test_priv(test);\n+\n+\t/* load */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_load(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\t/* start */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_start(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\t/* stop */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_stop(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\t/* unload */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_unload(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\treturn 0;\n+\n+error:\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_stop(test, opt, &t->model[i], i);\n+\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_unload(test, opt, &t->model[i], i);\n+\n+\treturn ret;\n+}\n+\n+/* Sub-test C: load x n + (start  + stop) x n + unload x n */\n+static int\n+test_model_ops_subtest_c(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\tint ret = 0;\n+\tuint32_t i;\n+\n+\tt = ml_test_priv(test);\n+\n+\t/* load */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_load(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\t/* start + stop */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_start(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\n+\t\tret = ml_model_stop(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\t/* unload */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_unload(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\treturn 0;\n+\n+error:\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_stop(test, opt, &t->model[i], i);\n+\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_unload(test, opt, &t->model[i], i);\n+\n+\treturn ret;\n+}\n+\n+/* Sub-test D: (load + start) x n -> (stop + unload) x n */\n+static int\n+test_model_ops_subtest_d(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\tint ret = 0;\n+\tuint32_t i;\n+\n+\tt = ml_test_priv(test);\n+\n+\t/* load + start */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_load(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\n+\t\tret = ml_model_start(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\t/* stop + unload */\n+\tfor (i = 0; i < opt->nb_filelist; i++) {\n+\t\tret = ml_model_stop(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\n+\t\tret = ml_model_unload(test, opt, &t->model[i], i);\n+\t\tif (ret != 0)\n+\t\t\tgoto error;\n+\t}\n+\n+\treturn 0;\n+\n+error:\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_stop(test, opt, &t->model[i], i);\n+\n+\tfor (i = 0; i < opt->nb_filelist; i++)\n+\t\tml_model_unload(test, opt, &t->model[i], i);\n+\n+\treturn ret;\n+}\n+\n+static int\n+test_model_ops_driver(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\tint ret = 0;\n+\n+\tt = ml_test_priv(test);\n+\n+\t/* device setup */\n+\tret = test_model_ops_mldev_setup(test, opt);\n+\tif (ret != 0)\n+\t\treturn ret;\n+\n+\tprintf(\"\\n\");\n+\n+\t/* sub-test A */\n+\tret = test_model_ops_subtest_a(test, opt);\n+\tif (ret != 0) {\n+\t\tprintf(\"Model Ops Sub-test A: \" CLRED \"%s\" CLNRM \"\\n\", \"Failed\");\n+\t\tgoto error;\n+\t} else {\n+\t\tprintf(\"Model Ops Sub-test A: \" CLYEL \"%s\" CLNRM \"\\n\", \"Passed\");\n+\t}\n+\n+\t/* sub-test B */\n+\tret = test_model_ops_subtest_b(test, opt);\n+\tif (ret != 0) {\n+\t\tprintf(\"Model Ops Sub-test B: \" CLRED \"%s\" CLNRM \"\\n\", \"Failed\");\n+\t\tgoto error;\n+\t} else {\n+\t\tprintf(\"Model Ops Sub-test B: \" CLYEL \"%s\" CLNRM \"\\n\", \"Passed\");\n+\t}\n+\n+\t/* sub-test C */\n+\tret = test_model_ops_subtest_c(test, opt);\n+\tif (ret != 0) {\n+\t\tprintf(\"Model Ops Sub-test C: \" CLRED \"%s\" CLNRM \"\\n\", \"Failed\");\n+\t\tgoto error;\n+\t} else {\n+\t\tprintf(\"Model Ops Sub-test C: \" CLYEL \"%s\" CLNRM \"\\n\", \"Passed\");\n+\t}\n+\n+\t/* sub-test D */\n+\tret = test_model_ops_subtest_d(test, opt);\n+\tif (ret != 0) {\n+\t\tprintf(\"Model Ops Sub-test D: \" CLRED \"%s\" CLNRM \"\\n\", \"Failed\");\n+\t\tgoto error;\n+\t} else {\n+\t\tprintf(\"Model Ops Sub-test D: \" CLYEL \"%s\" CLNRM \"\\n\", \"Passed\");\n+\t}\n+\n+\tprintf(\"\\n\");\n+\n+\t/* device destroy */\n+\tret = test_model_ops_mldev_destroy(test, opt);\n+\tif (ret != 0)\n+\t\treturn ret;\n+\n+\tt->cmn.result = ML_TEST_SUCCESS;\n+\n+\treturn 0;\n+\n+error:\n+\ttest_model_ops_mldev_destroy(test, opt);\n+\n+\tt->cmn.result = ML_TEST_FAILED;\n+\n+\treturn ret;\n+}\n+\n+static int\n+test_model_ops_result(struct ml_test *test, struct ml_options *opt)\n+{\n+\tstruct test_model_ops *t;\n+\n+\tRTE_SET_USED(opt);\n+\n+\tt = ml_test_priv(test);\n+\n+\treturn t->cmn.result;\n+}\n+\n+static const struct ml_test_ops model_ops = {\n+\t.cap_check = test_model_ops_cap_check,\n+\t.opt_check = test_model_ops_opt_check,\n+\t.opt_dump = test_model_ops_opt_dump,\n+\t.test_setup = test_model_ops_setup,\n+\t.test_destroy = test_model_ops_destroy,\n+\t.test_driver = test_model_ops_driver,\n+\t.test_result = test_model_ops_result,\n+};\n+\n+ML_TEST_REGISTER(model_ops);\ndiff --git a/app/test-mldev/test_model_ops.h b/app/test-mldev/test_model_ops.h\nnew file mode 100644\nindex 0000000000..c21f12b788\n--- /dev/null\n+++ b/app/test-mldev/test_model_ops.h\n@@ -0,0 +1,20 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright (c) 2022 Marvell.\n+ */\n+\n+#ifndef _ML_TEST_MODEL_OPS_\n+#define _ML_TEST_MODEL_OPS_\n+\n+#include <rte_common.h>\n+\n+#include \"test_model_common.h\"\n+\n+struct test_model_ops {\n+\t/* common data */\n+\tstruct test_common cmn;\n+\n+\t/* test specific data */\n+\tstruct ml_model model[ML_TEST_MAX_MODELS];\n+} __rte_cache_aligned;\n+\n+#endif /* _ML_TEST_MODEL_OPS_ */\ndiff --git a/doc/guides/tools/img/mldev_model_ops_subtest_a.svg b/doc/guides/tools/img/mldev_model_ops_subtest_a.svg\nnew file mode 100644\nindex 0000000000..ed12cc5a05\n--- /dev/null\n+++ b/doc/guides/tools/img/mldev_model_ops_subtest_a.svg\n@@ -0,0 +1,420 @@\n+<?xml version=\"1.0\" 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height=\"119.53766\"\n+       x=\"7.7311554\"\n+       y=\"7.7311707\"\n+       ry=\"1.2186421\" />\n+  </g>\n+</svg>\ndiff --git a/doc/guides/tools/testmldev.rst b/doc/guides/tools/testmldev.rst\nindex 1771c49fb4..b8a2a16ca2 100644\n--- a/doc/guides/tools/testmldev.rst\n+++ b/doc/guides/tools/testmldev.rst\n@@ -44,13 +44,17 @@ The following are the command-line options supported by the test application.\n \n * ``--test <name>``\n \n-        Name of the test to execute. ML tests supported include device tests. Test name should be\n-        one of the following supported tests.\n+        Name of the test to execute. ML tests are divided into two groups, Device and Model\n+        tests. Test name should be one of the following supported tests.\n \n       **ML Device Tests** ::\n \n          device_ops\n \n+      **ML Model Tests** ::\n+\n+         model_ops\n+\n * ``--dev_id <n>``\n \n         Set the device id of the ML device to be used for the test. Default value is `0`.\n@@ -59,6 +63,12 @@ The following are the command-line options supported by the test application.\n \n         Set the socket id of the application resources. Default value is `SOCKET_ID_ANY`.\n \n+* ``--models <model_list>``\n+\n+        Set the list of model files to be used for the tests. Application expects the\n+        ``model_list`` in comma separated form (i.e. ``--models model_A.bin,model_B.bin``).\n+        Maximum number of models supported by the test is ``8``.\n+\n * ``--debug``\n \n         Enable the tests to run in debug mode.\n@@ -103,6 +113,89 @@ Command to run device_ops test:\n         --test=device_ops\n \n \n+ML Model Tests\n+-------------------------\n+\n+Model tests are functional tests to validate ML model APIs. Model tests validate the functioning\n+of APIs to load, start, stop and unload ML models.\n+\n+\n+Application Options\n+~~~~~~~~~~~~~~~~~~~\n+\n+Supported command line options for the `model_ops` test are following::\n+\n+        --debug\n+        --test\n+        --dev_id\n+        --socket_id\n+        --models\n+\n+\n+List of model files to be used for the `model_ops` test can be specified through the option\n+``--models <model_list>`` as a comma separated list. Maximum number of models supported in\n+the test is `8`.\n+\n+.. Note::\n+\n+    * The ``--models <model_list>`` is a mandatory option for running this test.\n+    * Options not supported by the test are ignored if specified.\n+\n+\n+MODEL_OPS Test\n+~~~~~~~~~~~~~~\n+\n+The test is a collection of multiple sub-tests, each with a different order of slow-path\n+operations when handling with `N` number of models.\n+\n+\n+**Sub-test A:** executes the sequence of load / start / stop / unload for a model in order,\n+followed by next model.\n+.. _figure_mldev_model_ops_subtest_a:\n+\n+.. figure:: img/mldev_model_ops_subtest_a.*\n+\n+   Execution sequence of model_ops subtest A.\n+\n+\n+**Sub-test B:** executes load for all models, followed by a start for all models. Upon successful\n+start of all models, stop is invoked for all models followed by unload.\n+.. _figure_mldev_model_ops_subtest_b:\n+\n+.. figure:: img/mldev_model_ops_subtest_b.*\n+\n+   Execution sequence of model_ops subtest B.\n+\n+\n+**Sub-test C:** loads all models, followed by a start and stop of all models in order. Upon\n+completion of stop, unload is invoked for all models.\n+.. _figure_mldev_model_ops_subtest_c:\n+\n+.. figure:: img/mldev_model_ops_subtest_c.*\n+\n+   Execution sequence of model_ops subtest C.\n+\n+\n+**Sub-test D:** executes load and start for all models available. Upon successful start of all\n+models, stop and stop is executed for the models.\n+.. _figure_mldev_model_ops_subtest_d:\n+\n+.. figure:: img/mldev_model_ops_subtest_d.*\n+\n+   Execution sequence of model_ops subtest D.\n+\n+\n+Example\n+^^^^^^^\n+\n+Command to run model_ops test:\n+\n+.. code-block:: console\n+\n+    sudo <build_dir>/app/dpdk-test-mldev -c 0xf -a <PCI_ID> -- \\\n+        --test=model_ops --models model_1.bin,model_2.bin,model_3.bin, model_4.bin\n+\n+\n Debug mode\n ----------\n \n",
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}