From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <Pavan.Bhagavatula@cavium.com>
Received: from NAM03-DM3-obe.outbound.protection.outlook.com
(mail-dm3nam03on0072.outbound.protection.outlook.com [104.47.41.72])
by dpdk.org (Postfix) with ESMTP id 50A7D11F5
for <dev@dpdk.org>; Tue, 29 Aug 2017 13:00:32 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com;
h=From:Date:Subject:Message-ID:Content-Type:MIME-Version;
bh=2pY9P6My5rgvGMxDhh6sH2mAedmQgmklu7mZORrwT3w=;
b=axKmDgVo5vLgCoeTCNtBCGlFh8yGtTbcjVGz88o+hpzfysRMujkK5tHfJk351Ky9DcsaeNOwE0rmXCfSSETt530J0OrUH+fRUbMVMVZBlEDmiUr26/WOlc19xG9LEutqHMZZw5LEwNA+CLW4pRGpxcPRHBx90BqERiurfqAPnrA=
Authentication-Results: spf=none (sender IP is )
smtp.mailfrom=Pavan.Bhagavatula@cavium.com;
Received: from PBHAGAVATULA-LT.caveonetworks.com (111.93.218.67) by
BN6PR07MB3458.namprd07.prod.outlook.com (10.161.153.21) with Microsoft SMTP
Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id
15.1.1385.9; Tue, 29 Aug 2017 11:00:27 +0000
From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
To: harry.van.haaren@intel.com
Cc: dev@dpdk.org,
Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Date: Tue, 29 Aug 2017 16:30:05 +0530
Message-Id: <1504004405-22532-1-git-send-email-pbhagavatula@caviumnetworks.com>
X-Mailer: git-send-email 2.7.4
MIME-Version: 1.0
Content-Type: text/plain
X-Originating-IP: [111.93.218.67]
X-ClientProxiedBy: BMXPR01CA0012.INDPRD01.PROD.OUTLOOK.COM (10.174.214.150) To
BN6PR07MB3458.namprd07.prod.outlook.com (10.161.153.21)
X-MS-PublicTrafficType: Email
X-MS-Office365-Filtering-Correlation-Id: e2b772ec-624a-499f-7411-08d4eecd2932
X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0;
RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(22001)(300000502095)(300135100095)(2017030254152)(300000503095)(300135400095)(201703131423075)(201703031133081)(201702281549075)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095);
SRVR:BN6PR07MB3458;
X-Microsoft-Exchange-Diagnostics: 1; BN6PR07MB3458;
3:qCW0e04qcg6ukTCU9F+ti3d89cMVJYR8SYS1ES3FnsamCjKJGG7TXXLu5h1SjU4FOv44uvJFJOpHB/JF8/3n48LKxKBhNi+BOJaqTrR6zxyBaxtNC70dPUxgb8vNGvGv3n8NfNfvVUhD4lHbwzDaQbMSA4Jjvz9nlWPSMqW+yBmC5p6uYl5zxU+SF7yERisuYOYIAU8Hg2BHfyKYWktKTDFiJfmtMNgbR/umYg+dSsL2imt0sYoTilMUACjSJGHR;
25:IqO6sVi4lKG/7r7gBFH+nAvFZSsn5traulSPrWEEToz9pMQvnWIMp0LBGPfFWE9NgEVh4LPU7CaXJGavnxRxN6eNNXtwqTgoYqQemvICdug7BMfO5x1rv+USJ/wUoD+ji/98L2iIotz0Sxca4csYCJ37fY8OWpvF2wKfFjpj5irpodbW53qvrGzxkFNh88by/B1+LyXY/lSYw6Ia40bmRxDTrsCY+rCQmvfKyV9TEJykMMMdVOTmNvabxFvgxfxb7n/SuKExcEg25AoqPk880F6EyCA9HsDLDn4Fzw4LOocfu9YXtcDlV+Uun8hbcf2GtMxUpSJvAmYDvX4yCekW4w==;
31:OAVzQa5S6o+5Zxi2bOqgQtBgpJDFHIMuU2s/+9gKvlHJo3gQbVH4NFy4FurCkcxiMyWAIA6svxbqV0OHk5Q2amUSJf2dZDVuvujTVQb4j4exN396JmeRW6jo7cqd/drQGH0aRvASX027Ovw4MYBs/00vyL4QnBr9mNUcLM3wYAYnItmsBr7ic6CoMRsvQnerqli7m5bVnVOiznMQOLH1OS68SxVkw9Hz868D54lv+hM=
X-MS-TrafficTypeDiagnostic: BN6PR07MB3458:
X-Microsoft-Exchange-Diagnostics: 1; BN6PR07MB3458;
20: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;
4:hi7cpROKqPX1checRPkGsfUPjtxlovm48dc4CL8gGLxrbvd/vyR96cx7+J5sAM+Slb9jxaoOwslIWN9dfoQESkOBLgSWwEh9tzALPMiG3j993MkGTaBBqf3Xg0tDSw7kP2o2TXtbPbV96mbOU4mDDoinR2bRgI6cXxR0zQf5ButJesU9NaiQfyxG8AbA/wS9vYHpM9HtvBAVXc4vI+bTuxe7v6crhuFybIPeyYRz/1YJWvD78PQseoBhedqXgIIj
X-Exchange-Antispam-Report-Test: UriScan:;
X-Microsoft-Antispam-PRVS: <BN6PR07MB3458980D372787A36C507817809F0@BN6PR07MB3458.namprd07.prod.outlook.com>
X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0;
RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6040450)(601004)(2401047)(8121501046)(5005006)(93006095)(10201501046)(100000703101)(100105400095)(3002001)(6041248)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123564025)(20161123562025)(20161123560025)(20161123558100)(20161123555025)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095);
SRVR:BN6PR07MB3458; BCL:0; PCL:0;
RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095);
SRVR:BN6PR07MB3458;
X-Forefront-PRVS: 0414DF926F
X-Forefront-Antispam-Report: SFV:NSPM;
SFS:(10009020)(7370300001)(4630300001)(6009001)(199003)(189002)(110136004)(50226002)(4326008)(2351001)(36756003)(2361001)(50466002)(2906002)(8676002)(97736004)(81156014)(107886003)(81166006)(5003940100001)(50986999)(189998001)(53936002)(25786009)(6512007)(5660300001)(7736002)(6666003)(6916009)(42882006)(101416001)(6506006)(305945005)(33646002)(47776003)(68736007)(66066001)(5009440100003)(3846002)(105586002)(106356001)(6116002)(48376002)(53416004)(7350300001)(6486002)(42186005)(72206003)(69596002)(478600001)(42262002);
DIR:OUT; SFP:1101; SCL:1; SRVR:BN6PR07MB3458;
H:PBHAGAVATULA-LT.caveonetworks.com; FPR:; SPF:None; PTR:InfoNoRecords; A:1;
MX:1; LANG:en;
Received-SPF: None (protection.outlook.com: cavium.com does not designate
permitted sender hosts)
X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BN6PR07MB3458;
23:9/iQ/a9UEYZ5sqP6TVcupD1RBAyJYUqejBmHitjIe?=
=?us-ascii?Q?iJmq0Eqr3eKeTQNo0CoT6LZDummXiWY45m+nnJnYB0Q2VSrfmZc6gRDkkofT?=
=?us-ascii?Q?lnwdPrRWkHxslMPJAKHeEqm0PNih/zVXfJQSb5vCo7LEm6ewBoTVGAGEnMmr?=
=?us-ascii?Q?Vg8VFuhZfBpP5oTkIfpH0qIjR238x4FfdJD/Rw6D1IROiMepFvCmLnb8SiE/?=
=?us-ascii?Q?cbKPEQnWW7VXV0tHO54lQNPqsuPtXgqNDb8HTQzrCNEkN0GfgSm1L3alb7dg?=
=?us-ascii?Q?Hc4OJqfnydS01pDMOcLhMyBttjEvx8MDNx9tHTR05yn5R3E7VLHM72nmEL2C?=
=?us-ascii?Q?hev2M7+rAvCHL48AsQr5BVeAJ83IlCLJKi2IbJooqt+AeABHHoH3xlruqZLY?=
=?us-ascii?Q?Rq1mvIQODWths5QfyDzB1uzCak+DlIgF4W/tJ8iqWFonOwQgi8PyHNlOWiEE?=
=?us-ascii?Q?1XKVcP+rXNhya3dFETkteBp70AxnLnC4ticV0UU3lBTeMyvgoL6PNOEV6Scv?=
=?us-ascii?Q?Pwos6NKyP1oLiRyVF/1waTZ/uSdMIUqtw6W0NDFw1SVWOykIc5dtfbwI0CjU?=
=?us-ascii?Q?TyS6b62PBZmA0TOgnnHuCc3f3ksS31E2W78jo1vxTjTSpigXJRw9c6e/oPIH?=
=?us-ascii?Q?unBF/Bam7n/UT6BM7eIG7GQoSHXeIrbMaDMDNwlDNagcBToF06jumFLyjXJd?=
=?us-ascii?Q?aBMj9gbTsM987NHDnsT9x0F9/eeajgClDRRcbtej0P7lK1pVcwi0AlgeIzxe?=
=?us-ascii?Q?oi6x1q+2zQuyhn5WT4bGNIEDdF1D1wGGs6Bl4p6Ah5iFzkensFnPg/YPlDhz?=
=?us-ascii?Q?NjpA91ddYZ3lRdAV0enxeFS11k+5j6RlaVphNHBhgrhhoDE2xdHObmppxTlw?=
=?us-ascii?Q?OoA3AiZvpDSNPMwk9x/IJwMwiOG+3WC4mfKc2DRlnGjNqZlPOzpU8JVTWCeO?=
=?us-ascii?Q?Hw9kj/OsKnGxV8vLEVBOc2p0vqmUPwW9ZbfJ/P6Fcqbf6lSJx1tTHW3CKfCM?=
=?us-ascii?Q?wh/GieIGokw16iiWkgpRcAEeq1f4R9YJ9xCvXxy6F5+B97ysgnevOLkrp8VM?=
=?us-ascii?Q?yXixu4YnRFhWNBf6vrJgMRXHyupRUUxJiwkAtU6MaA9C+UeuRoXmNhxUcqKQ?=
=?us-ascii?Q?Gby9nU2SFoxogF4d9/ThlUaWHiU2MN2A+GCTtrU3v7eCpYiRf0jd7pO6YQlN?=
=?us-ascii?Q?g70O3OhywlA8orKBi+7lcvRwEYaYd6N0XSz?=
X-Microsoft-Exchange-Diagnostics: 1; BN6PR07MB3458;
6:ffMfdVRj3s25QCRHO1g3SIx4oQzHlwfkXCWoty9fyU5VMclqKl9OmHGlsGzJf47VAO01VMNjo7G4//6frUQTzbhp0u4syEnU+APYrWE3gO64H1FVvD5V1RNlojUk6LoOdn1Gk/4pV1hS07j38QTE15Wicsk1foNO8cBKERiBNRawa/+6/eqvk3aPWsSHVI70ptSpPubY6CH5U8fXSRa9KnGWARE1/J+rIrxdgC4XFqHKL3QPmdcB6JfwgiVhM+S+Lo/jWqxW0yNmsWzuitvrqCEmetsQTJ+I07Wdst+aLDnQRaMpCAGpq39qaeuYDOMMDaQw+CNP3ZTs9R+u81X87A==;
5:4+n5VZ8Do6LKqVqhXymSSyrbxotua/BeuI7y6Irgkofh6XXLrWN35FsjH4rlxmrlqelUMsplYLhxZ7O+ih2lE0tcLtoO3mgwmvg32CvyQRp1oD3rneIdnptEl4aKKllgO4UWKiA+aMVJ5bynyWlFcg==;
24:BGjuRAidFYHSEtGqpLOYBTQBwIohgYNDqHLQ9DI3W1OZ5lUtjvJ34vejVflWx4mdi0RiYdKT9ARmHCIBYY5qgP08f8Z011VZWTjIQ1y5GZw=;
7:Xx5/1MnBHpu4mGUdJvfohNyEz1lr37dOUAltB/ug0rgZQqcYzrcnklF2kvMWN9Tqq2ZiLbGcT6/0BOD4lbAvygRsfPItNXMq8YeFE+yl6/v3gyniROpY+jVuPFQzpkc0bQ8SnVJjidIip/uXZIegpBPo3CnG3SqCUxKXscSQNMSzEpB/lpupSiW8gF4s6+JCH6ybbfpn4oyOhMqakWBaB73z1rjjUYoi4Vr6kJKXsY8=
SpamDiagnosticOutput: 1:99
SpamDiagnosticMetadata: NSPM
X-OriginatorOrg: caviumnetworks.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Aug 2017 11:00:27.9211 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR07MB3458
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>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Tue, 29 Aug 2017 11:00:32 -0000
This new API returns the number of services that are running on a specific
service core. It allows an application to decide which service core to run
a new service on.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
v3 changes:
- fix compilation issues with .map files
v2 changes:
- reword the commit title according to the check-git-log.sh
- modify return types
- add function to .map file
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 +
lib/librte_eal/common/include/rte_service.h | 13 +++++++++++++
lib/librte_eal/common/rte_service.c | 13 +++++++++++++
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 1 +
4 files changed, 28 insertions(+)
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index aac6fd7..79e7d31 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -222,6 +222,7 @@ EXPERIMENTAL {
rte_service_is_running;
rte_service_lcore_add;
rte_service_lcore_count;
+ rte_service_lcore_count_services;
rte_service_lcore_del;
rte_service_lcore_list;
rte_service_lcore_reset_all;
diff --git a/lib/librte_eal/common/include/rte_service.h b/lib/librte_eal/common/include/rte_service.h
index 7c6f738..9537ae5 100644
--- a/lib/librte_eal/common/include/rte_service.h
+++ b/lib/librte_eal/common/include/rte_service.h
@@ -374,6 +374,19 @@ int32_t rte_service_lcore_list(uint32_t array[], uint32_t n);
* @warning
* @b EXPERIMENTAL: this API may change without prior notice
*
+ * Get the numer of services running on the supplied lcore.
+ *
+ * @param Lcore Id of the service core.
+ * @retval >=0 Number of services registered to this core.
+ * @retval -EINVAL Invalid lcore provided
+ * @retval -ENOTSUP The provided lcore is not a service core.
+ */
+int32_t rte_service_lcore_count_services(uint32_t lcore);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
* Dumps any information available about the service. If service is NULL,
* dumps info for all services.
*/
diff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c
index 7efb76d..616bad3 100644
--- a/lib/librte_eal/common/rte_service.c
+++ b/lib/librte_eal/common/rte_service.c
@@ -397,6 +397,19 @@ rte_service_lcore_list(uint32_t array[], uint32_t n)
}
int32_t
+rte_service_lcore_count_services(uint32_t lcore)
+{
+ if (lcore >= RTE_MAX_LCORE)
+ return -EINVAL;
+
+ struct core_state *cs = &lcore_states[lcore];
+ if (!cs->is_service_core)
+ return -ENOTSUP;
+
+ return __builtin_popcountll(cs->service_mask);
+}
+
+int32_t
rte_service_start_with_defaults(void)
{
/* create a default mapping from cores to services, then start the
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 3a8f154..468c706 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -227,6 +227,7 @@ EXPERIMENTAL {
rte_service_is_running;
rte_service_lcore_add;
rte_service_lcore_count;
+ rte_service_lcore_count_services;
rte_service_lcore_del;
rte_service_lcore_list;
rte_service_lcore_reset_all;
--
2.7.4