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Tue, 23 Jun 2020 13:33:29 +0000 Received: from AM0PR05MB4401.eurprd05.prod.outlook.com ([fe80::50d8:317c:f079:9c86]) by AM0PR05MB4401.eurprd05.prod.outlook.com ([fe80::50d8:317c:f079:9c86%6]) with mapi id 15.20.3109.027; Tue, 23 Jun 2020 13:33:29 +0000 From: Ali Alnubani To: Honnappa Nagarahalli , "dev@dpdk.org" , "orgerlitz@mellanox.com" , "wenzhuo.lu@intel.com" , "beilei.xing@intel.com" , "bernard.iremonger@intel.com" CC: "hemant.agrawal@nxp.com" , "jerinj@marvell.com" , Slava Ovsiienko , Thomas Monjalon , "ruifeng.wang@arm.com" , "phil.yang@arm.com" , "nd@arm.com" , "zhihong.wang@intel.com" , "stable@dpdk.org" Thread-Topic: [PATCH 1/5] app/testpmd: clock gettime call in throughput calculation Thread-Index: AQHWRLWuRmvpnpMMCUSwfIwLD94xIKjmO5wA Date: Tue, 23 Jun 2020 13:33:29 +0000 Message-ID: References: <20200617144307.9961-1-honnappa.nagarahalli@arm.com> In-Reply-To: <20200617144307.9961-1-honnappa.nagarahalli@arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: arm.com; 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honnappa.nagarahalli@arm.com; Ali Alnubani > ; orgerlitz@mellanox.com; wenzhuo.lu@intel.com; > beilei.xing@intel.com; bernard.iremonger@intel.com > Cc: hemant.agrawal@nxp.com; jerinj@marvell.com; Slava Ovsiienko > ; Thomas Monjalon ; > ruifeng.wang@arm.com; phil.yang@arm.com; nd@arm.com; > zhihong.wang@intel.com; stable@dpdk.org > Subject: [PATCH 1/5] app/testpmd: clock gettime call in throughput > calculation >=20 > The throughput calculation requires a counter that measures passing of ti= me. > The PMU cycle counter does not do that. This results in incorrect through= put > numbers when RTE_ARM_EAL_RDTSC_USE_PMU is enabled. Use > clock_gettime system call to calculate the time passed since last call. >=20 > Bugzilla ID: 450 > Fixes: 0e106980301d ("app/testpmd: show throughput in port stats") > Cc: zhihong.wang@intel.com > Cc: stable@dpdk.org >=20 > Signed-off-by: Honnappa Nagarahalli > Reviewed-by: Phil Yang > Reviewed-by: Ruifeng Wang Tested-by: Ali Alnubani