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From: Phil Yang <Phil.Yang@arm.com>
To: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
	"alialnu@mellanox.com" <alialnu@mellanox.com>,
	"orgerlitz@mellanox.com" <orgerlitz@mellanox.com>,
	"wenzhuo.lu@intel.com" <wenzhuo.lu@intel.com>,
	"beilei.xing@intel.com" <beilei.xing@intel.com>,
	"bernard.iremonger@intel.com" <bernard.iremonger@intel.com>
Cc: "hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
	"jerinj@marvell.com" <jerinj@marvell.com>,
	"viacheslavo@mellanox.com" <viacheslavo@mellanox.com>,
	"thomas@monjalon.net" <thomas@monjalon.net>,
	Ruifeng Wang <Ruifeng.Wang@arm.com>, nd <nd@arm.com>,
	"zhihong.wang@intel.com" <zhihong.wang@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>, nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH 1/5] app/testpmd: clock gettime call in throughput calculation
Date: Thu, 18 Jun 2020 15:08:56 +0000
Message-ID: <PR2PR08MB46356C3301A74048B9AB9039E99B0@PR2PR08MB4635.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20200617144307.9961-1-honnappa.nagarahalli@arm.com>

> -----Original Message-----
> From: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> Sent: Wednesday, June 17, 2020 10:43 PM
> To: dev@dpdk.org; Honnappa Nagarahalli
> <Honnappa.Nagarahalli@arm.com>; alialnu@mellanox.com;
> orgerlitz@mellanox.com; wenzhuo.lu@intel.com; beilei.xing@intel.com;
> bernard.iremonger@intel.com
> Cc: hemant.agrawal@nxp.com; jerinj@marvell.com;
> viacheslavo@mellanox.com; thomas@monjalon.net; Ruifeng Wang
> <Ruifeng.Wang@arm.com>; Phil Yang <Phil.Yang@arm.com>; nd
> <nd@arm.com>; zhihong.wang@intel.com; stable@dpdk.org
> Subject: [PATCH 1/5] app/testpmd: clock gettime call in throughput
> calculation
> 
> The throughput calculation requires a counter that measures
> passing of time. The PMU cycle counter does not do that. This
> results in incorrect throughput numbers when
> RTE_ARM_EAL_RDTSC_USE_PMU is enabled. Use clock_gettime
> system call to calculate the time passed since last call.
> 
> Bugzilla ID: 450
> Fixes: 0e106980301d ("app/testpmd: show throughput in port stats")
> Cc: zhihong.wang@intel.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> Reviewed-by: Phil Yang <phil.yang@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> ---

Tested-by: Phil Yang <phil.yang@arm.com> 

  parent reply	other threads:[~2020-06-18 15:09 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-17 14:43 Honnappa Nagarahalli
2020-06-17 14:43 ` [dpdk-dev] [PATCH 2/5] app/testpmd: enable burst stats for flowgen mode rx path Honnappa Nagarahalli
2020-06-18 14:57   ` Phil Yang
2020-06-17 14:43 ` [dpdk-dev] [PATCH 3/5] app/testpmd: enable burst stats for noisy vnf mode Honnappa Nagarahalli
2020-06-18  7:16   ` Jens Freimann
2020-06-17 14:43 ` [dpdk-dev] [PATCH 4/5] app/testpmd: fix burst percentage calculation Honnappa Nagarahalli
2020-06-18 15:01   ` Phil Yang
2020-06-23 13:33   ` Ali Alnubani
2020-06-17 14:43 ` [dpdk-dev] [PATCH 5/5] app/testpmd: enable empty polls in burst stats Honnappa Nagarahalli
2020-06-18 15:05   ` Phil Yang
2020-06-23 13:34   ` Ali Alnubani
2020-06-17 15:16 ` [dpdk-dev] [PATCH 1/5] app/testpmd: clock gettime call in throughput calculation Jerin Jacob
2020-06-18  4:03   ` Honnappa Nagarahalli
2020-06-18 10:16     ` Jerin Jacob
2020-06-18 15:08 ` Phil Yang [this message]
2020-06-23 13:33 ` Ali Alnubani
2020-06-26 22:09 ` [dpdk-dev] [PATCH v2 " Honnappa Nagarahalli
2020-06-26 22:09   ` [dpdk-dev] [PATCH v2 2/5] app/testpmd: enable burst stats for flowgen mode rx path Honnappa Nagarahalli
2020-07-06 16:02     ` Ferruh Yigit
2020-07-06 17:06       ` Honnappa Nagarahalli
2020-07-06 17:17         ` Ferruh Yigit
2020-07-06 18:46           ` Honnappa Nagarahalli
2020-06-26 22:09   ` [dpdk-dev] [PATCH v2 3/5] app/testpmd: enable burst stats for noisy vnf mode Honnappa Nagarahalli
2020-07-06 16:08     ` Ferruh Yigit
2020-07-06 16:59       ` Honnappa Nagarahalli
2020-07-06 17:11         ` Ferruh Yigit
2020-07-06 17:41           ` Honnappa Nagarahalli
2020-06-26 22:09   ` [dpdk-dev] [PATCH v2 4/5] app/testpmd: fix burst percentage calculation Honnappa Nagarahalli
2020-07-06 16:10     ` Ferruh Yigit
2020-06-26 22:09   ` [dpdk-dev] [PATCH v2 5/5] app/testpmd: enable empty polls in burst stats Honnappa Nagarahalli
2020-07-06 17:05     ` Ferruh Yigit
2020-07-06 19:11       ` Honnappa Nagarahalli
2020-07-07  9:32         ` Ferruh Yigit
2020-07-06 15:36   ` [dpdk-dev] [PATCH v2 1/5] app/testpmd: clock gettime call in throughput calculation Ferruh Yigit
2020-07-06 16:53     ` Honnappa Nagarahalli
2020-07-06 17:19       ` Ferruh Yigit
2020-07-06 23:32 ` [dpdk-dev] [PATCH v3 1/3] " Honnappa Nagarahalli
2020-07-06 23:32   ` [dpdk-dev] [PATCH v3 2/3] app/testpmd: fix burst percentage calculation Honnappa Nagarahalli
2020-07-06 23:32   ` [dpdk-dev] [PATCH v3 3/3] app/testpmd: enable empty polls in burst stats Honnappa Nagarahalli
2020-07-07 17:47   ` [dpdk-dev] [PATCH v3 1/3] app/testpmd: clock gettime call in throughput calculation Ferruh Yigit

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