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{
    "id": 28059,
    "url": "http://patches.dpdk.org/api/patches/28059/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1504004405-22532-1-git-send-email-pbhagavatula@caviumnetworks.com/",
    "project": {
        "id": 1,
        "url": "http://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",
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    "date": "2017-08-29T11:00:05",
    "name": "[dpdk-dev,v3] service: add API for service count per lcore",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "f309ec6d3dba9c37d3098fad30b3d5bf86d1902f",
    "submitter": {
        "id": 768,
        "url": "http://patches.dpdk.org/api/people/768/?format=api",
        "name": "Pavan Nikhilesh",
        "email": "pbhagavatula@caviumnetworks.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1504004405-22532-1-git-send-email-pbhagavatula@caviumnetworks.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/28059/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/28059/checks/",
    "tags": {},
    "related": [],
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        "From": "Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>",
        "To": "harry.van.haaren@intel.com",
        "Cc": "dev@dpdk.org,\n\tPavan Nikhilesh <pbhagavatula@caviumnetworks.com>",
        "Date": "Tue, 29 Aug 2017 16:30:05 +0530",
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        "Subject": "[dpdk-dev] [PATCH v3] service: add API for service count per lcore",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "This new API returns the number of services that are running on a specific\nservice core. It allows an application to decide which service core to run\na new service on.\n\nSigned-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>\n---\n\nv3 changes:\n  - fix compilation issues with .map files\n\nv2 changes:\n  - reword the commit title according to the check-git-log.sh\n  - modify return types\n  - add function to .map file\n\n lib/librte_eal/bsdapp/eal/rte_eal_version.map   |  1 +\n lib/librte_eal/common/include/rte_service.h     | 13 +++++++++++++\n lib/librte_eal/common/rte_service.c             | 13 +++++++++++++\n lib/librte_eal/linuxapp/eal/rte_eal_version.map |  1 +\n 4 files changed, 28 insertions(+)\n\n--\n2.7.4",
    "diff": "diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map\nindex aac6fd7..79e7d31 100644\n--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map\n+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map\n@@ -222,6 +222,7 @@ EXPERIMENTAL {\n \trte_service_is_running;\n \trte_service_lcore_add;\n \trte_service_lcore_count;\n+\trte_service_lcore_count_services;\n \trte_service_lcore_del;\n \trte_service_lcore_list;\n \trte_service_lcore_reset_all;\ndiff --git a/lib/librte_eal/common/include/rte_service.h b/lib/librte_eal/common/include/rte_service.h\nindex 7c6f738..9537ae5 100644\n--- a/lib/librte_eal/common/include/rte_service.h\n+++ b/lib/librte_eal/common/include/rte_service.h\n@@ -374,6 +374,19 @@ int32_t rte_service_lcore_list(uint32_t array[], uint32_t n);\n  * @warning\n  * @b EXPERIMENTAL: this API may change without prior notice\n  *\n+ * Get the numer of services running on the supplied lcore.\n+ *\n+ * @param Lcore Id of the service core.\n+ * @retval >=0 Number of services registered to this core.\n+ * @retval -EINVAL Invalid lcore provided\n+ * @retval -ENOTSUP The provided lcore is not a service core.\n+ */\n+int32_t rte_service_lcore_count_services(uint32_t lcore);\n+\n+/**\n+ * @warning\n+ * @b EXPERIMENTAL: this API may change without prior notice\n+ *\n  * Dumps any information available about the service. If service is NULL,\n  * dumps info for all services.\n  */\ndiff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c\nindex 7efb76d..616bad3 100644\n--- a/lib/librte_eal/common/rte_service.c\n+++ b/lib/librte_eal/common/rte_service.c\n@@ -397,6 +397,19 @@ rte_service_lcore_list(uint32_t array[], uint32_t n)\n }\n\n int32_t\n+rte_service_lcore_count_services(uint32_t lcore)\n+{\n+\tif (lcore >= RTE_MAX_LCORE)\n+\t\treturn -EINVAL;\n+\n+\tstruct core_state *cs = &lcore_states[lcore];\n+\tif (!cs->is_service_core)\n+\t\treturn -ENOTSUP;\n+\n+\treturn __builtin_popcountll(cs->service_mask);\n+}\n+\n+int32_t\n rte_service_start_with_defaults(void)\n {\n \t/* create a default mapping from cores to services, then start the\ndiff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map\nindex 3a8f154..468c706 100644\n--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map\n+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map\n@@ -227,6 +227,7 @@ EXPERIMENTAL {\n \trte_service_is_running;\n \trte_service_lcore_add;\n \trte_service_lcore_count;\n+\trte_service_lcore_count_services;\n \trte_service_lcore_del;\n \trte_service_lcore_list;\n \trte_service_lcore_reset_all;\n",
    "prefixes": [
        "dpdk-dev",
        "v3"
    ]
}