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{
    "id": 70073,
    "url": "https://patches.dpdk.org/api/patches/70073/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20200511110811.11474-4-wisamm@mellanox.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": "<20200511110811.11474-4-wisamm@mellanox.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20200511110811.11474-4-wisamm@mellanox.com",
    "date": "2020-05-11T11:08:09",
    "name": "[v6,3/5] app/flow-perf: add deletion rate calculation",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "656bfab3bb4df19a092c9956424962ab4ae71a60",
    "submitter": {
        "id": 938,
        "url": "https://patches.dpdk.org/api/people/938/?format=api",
        "name": "Wisam Jaddo",
        "email": "wisamm@mellanox.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/20200511110811.11474-4-wisamm@mellanox.com/mbox/",
    "series": [
        {
            "id": 9979,
            "url": "https://patches.dpdk.org/api/series/9979/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=9979",
            "date": "2020-05-11T11:08:06",
            "name": "Introduce flow perf application",
            "version": 6,
            "mbox": "https://patches.dpdk.org/series/9979/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/70073/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/70073/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Wisam Jaddo <wisamm@mellanox.com>",
        "To": "dev@dpdk.org, jackmin@mellanox.com, thomas@monjalon.net,\n jerinjacobk@gmail.com, ajit.khaparde@broadcom.com,\n arybchenko@solarflare.com",
        "Date": "Mon, 11 May 2020 11:08:09 +0000",
        "Message-Id": "<20200511110811.11474-4-wisamm@mellanox.com>",
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        "Subject": "[dpdk-dev] [PATCH v6 3/5] app/flow-perf: add deletion rate\n\tcalculation",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
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        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
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    },
    "content": "Add the ability to test deletion rate for flow performance\napplication.\n\nThis feature is disabled by default, and can be enabled by\nadd \"--deletion-rate\" in the application command line options.\n\nSigned-off-by: Wisam Jaddo <wisamm@mellanox.com>\n---\n app/test-flow-perf/main.c              | 87 ++++++++++++++++++++++++++\n doc/guides/rel_notes/release_20_05.rst |  1 +\n doc/guides/tools/flow-perf.rst         |  4 ++\n 3 files changed, 92 insertions(+)",
    "diff": "diff --git a/app/test-flow-perf/main.c b/app/test-flow-perf/main.c\nindex 1feb73e6f..b177025fa 100644\n--- a/app/test-flow-perf/main.c\n+++ b/app/test-flow-perf/main.c\n@@ -49,6 +49,7 @@ static uint32_t flow_actions;\n static uint32_t flow_attrs;\n static volatile bool force_quit;\n static bool dump_iterations;\n+static  bool delete_flag;\n static struct rte_mempool *mbuf_mp;\n static uint32_t nb_lcores;\n static uint32_t flows_count;\n@@ -64,6 +65,8 @@ usage(char *progname)\n \t\t\" flows to insert, default is 4,000,000\\n\");\n \tprintf(\"  --dump-iterations: To print rates for each\"\n \t\t\" iteration\\n\");\n+\tprintf(\"  --deletion-rate: Enable deletion rate\"\n+\t\t\" calculations\\n\");\n \n \tprintf(\"To set flow attributes:\\n\");\n \tprintf(\"  --ingress: set ingress attribute in flows\\n\");\n@@ -246,6 +249,7 @@ args_parse(int argc, char **argv)\n \t\t{ \"help\",                       0, 0, 0 },\n \t\t{ \"flows-count\",                1, 0, 0 },\n \t\t{ \"dump-iterations\",            0, 0, 0 },\n+\t\t{ \"deletion-rate\",              0, 0, 0 },\n \t\t/* Attributes */\n \t\t{ \"ingress\",                    0, 0, 0 },\n \t\t{ \"egress\",                     0, 0, 0 },\n@@ -353,6 +357,9 @@ args_parse(int argc, char **argv)\n \t\t\tif (strcmp(lgopts[opt_idx].name,\n \t\t\t\t\t\"dump-iterations\") == 0)\n \t\t\t\tdump_iterations = true;\n+\t\t\tif (strcmp(lgopts[opt_idx].name,\n+\t\t\t\t\t\"deletion-rate\") == 0)\n+\t\t\t\tdelete_flag = true;\n \t\t\tbreak;\n \t\tdefault:\n \t\t\tfprintf(stderr, \"Invalid option: %s\\n\", argv[optind]);\n@@ -372,9 +379,75 @@ print_flow_error(struct rte_flow_error error)\n \t\terror.message ? error.message : \"(no stated reason)\");\n }\n \n+static inline void\n+destroy_flows(int port_id, struct rte_flow **flow_list)\n+{\n+\tstruct rte_flow_error error;\n+\tclock_t start_iter, end_iter;\n+\tdouble cpu_time_used = 0;\n+\tdouble flows_rate;\n+\tdouble cpu_time_per_iter[MAX_ITERATIONS];\n+\tdouble delta;\n+\tuint32_t i;\n+\tint iter_id;\n+\n+\tfor (i = 0; i < MAX_ITERATIONS; i++)\n+\t\tcpu_time_per_iter[i] = -1;\n+\n+\tif (iterations_number > flows_count)\n+\t\titerations_number = flows_count;\n+\n+\t/* Deletion Rate */\n+\tprintf(\"Flows Deletion on port = %d\\n\", port_id);\n+\tstart_iter = clock();\n+\tfor (i = 0; i < flows_count; i++) {\n+\t\tif (flow_list[i] == 0)\n+\t\t\tbreak;\n+\n+\t\tmemset(&error, 0x33, sizeof(error));\n+\t\tif (rte_flow_destroy(port_id, flow_list[i], &error)) {\n+\t\t\tprint_flow_error(error);\n+\t\t\trte_exit(EXIT_FAILURE, \"Error in deleting flow\");\n+\t\t}\n+\n+\t\tif (i && !((i + 1) % iterations_number)) {\n+\t\t\t/* Save the deletion rate of each iter */\n+\t\t\tend_iter = clock();\n+\t\t\tdelta = (double) (end_iter - start_iter);\n+\t\t\titer_id = ((i + 1) / iterations_number) - 1;\n+\t\t\tcpu_time_per_iter[iter_id] =\n+\t\t\t\tdelta / CLOCKS_PER_SEC;\n+\t\t\tcpu_time_used += cpu_time_per_iter[iter_id];\n+\t\t\tstart_iter = clock();\n+\t\t}\n+\t}\n+\n+\t/* Deletion rate per iteration */\n+\tif (dump_iterations)\n+\t\tfor (i = 0; i < MAX_ITERATIONS; i++) {\n+\t\t\tif (cpu_time_per_iter[i] == -1)\n+\t\t\t\tcontinue;\n+\t\t\tdelta = (double)(iterations_number /\n+\t\t\t\tcpu_time_per_iter[i]);\n+\t\t\tflows_rate = delta / 1000;\n+\t\t\tprintf(\":: Iteration #%d: %d flows \"\n+\t\t\t\t\"in %f sec[ Rate = %f K/Sec ]\\n\",\n+\t\t\t\ti, iterations_number,\n+\t\t\t\tcpu_time_per_iter[i], flows_rate);\n+\t\t}\n+\n+\t/* Deletion rate for all flows */\n+\tflows_rate = ((double) (flows_count / cpu_time_used) / 1000);\n+\tprintf(\"\\n:: Total flow deletion rate -> %f K/Sec\\n\",\n+\t\tflows_rate);\n+\tprintf(\":: The time for deleting %d in flows %f seconds\\n\",\n+\t\tflows_count, cpu_time_used);\n+}\n+\n static inline void\n flows_handler(void)\n {\n+\tstruct rte_flow **flow_list;\n \tstruct rte_flow_error error;\n \tclock_t start_iter, end_iter;\n \tdouble cpu_time_used;\n@@ -386,6 +459,7 @@ flows_handler(void)\n \tint port_id;\n \tint iter_id;\n \tuint32_t eagain_counter = 0;\n+\tuint32_t flow_index;\n \n \tnr_ports = rte_eth_dev_count_avail();\n \n@@ -397,8 +471,14 @@ flows_handler(void)\n \n \tprintf(\":: Flows Count per port: %d\\n\", flows_count);\n \n+\tflow_list = rte_zmalloc(\"flow_list\",\n+\t\t(sizeof(struct rte_flow *) * flows_count) + 1, 0);\n+\tif (flow_list == NULL)\n+\t\trte_exit(EXIT_FAILURE, \"No Memory available!\");\n+\n \tfor (port_id = 0; port_id < nr_ports; port_id++) {\n \t\tcpu_time_used = 0;\n+\t\tflow_index = 0;\n \t\tif (flow_group > 0) {\n \t\t\t/*\n \t\t\t * Create global rule to jump into flow_group,\n@@ -417,6 +497,7 @@ flows_handler(void)\n \t\t\t\tprint_flow_error(error);\n \t\t\t\trte_exit(EXIT_FAILURE, \"error in creating flow\");\n \t\t\t}\n+\t\t\tflow_list[flow_index++] = flow;\n \t\t}\n \n \t\t/* Insertion Rate */\n@@ -440,6 +521,8 @@ flows_handler(void)\n \t\t\t\trte_exit(EXIT_FAILURE, \"error in creating flow\");\n \t\t\t}\n \n+\t\t\tflow_list[flow_index++] = flow;\n+\n \t\t\tif (i && !((i + 1) % iterations_number)) {\n \t\t\t\t/* Save the insertion rate of each iter */\n \t\t\t\tend_iter = clock();\n@@ -473,6 +556,9 @@ flows_handler(void)\n \t\tprintf(\":: The time for creating %d in flows %f seconds\\n\",\n \t\t\t\t\t\tflows_count, cpu_time_used);\n \t\tprintf(\":: EAGAIN counter = %d\\n\", eagain_counter);\n+\n+\t\tif (delete_flag)\n+\t\t\tdestroy_flows(port_id, flow_list);\n \t}\n }\n \n@@ -631,6 +717,7 @@ main(int argc, char **argv)\n \tdump_iterations = false;\n \tflows_count = DEFAULT_RULES_COUNT;\n \titerations_number = DEFAULT_ITERATION;\n+\tdelete_flag = false;\n \tflow_group = 0;\n \n \tsignal(SIGINT, signal_handler);\ndiff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst\nindex 0e4dcf1ad..e511e9c1a 100644\n--- a/doc/guides/rel_notes/release_20_05.rst\n+++ b/doc/guides/rel_notes/release_20_05.rst\n@@ -218,6 +218,7 @@ New Features\n \n   Application features:\n   * Measure rte_flow insertion rate.\n+  * Measure rte_flow deletion rate.\n \n \n Removed Items\ndiff --git a/doc/guides/tools/flow-perf.rst b/doc/guides/tools/flow-perf.rst\nindex 6f3f7dafb..1f8b1fa15 100644\n--- a/doc/guides/tools/flow-perf.rst\n+++ b/doc/guides/tools/flow-perf.rst\n@@ -25,6 +25,8 @@ The current version has limitations which can be removed in future:\n * Support outer items up to tunnel layer only.\n * Single core insertion only.\n \n+The application also provide the ability to measure rte flow deletion rate.\n+\n \n Compiling the Application\n =========================\n@@ -71,6 +73,8 @@ The command line options are:\n \tPrint rates for each iteration of flows.\n \tDefault iteration is 1,00,000.\n \n+*\t``--deletion-rate``\n+\tEnable deletion rate calculations.\n \n Attributes:\n \n",
    "prefixes": [
        "v6",
        "3/5"
    ]
}