From: Jakub Kicinski <kuba@kernel.org>
To: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Cc: Richard Cochran <richardcochran@gmail.com>,
Miroslav Lichvar <mlichvar@redhat.com>,
intel-wired-lan@lists.osuosl.org, andre.guedes@intel.com,
linux-pci@vger.kernel.org, netdev@vger.kernel.org,
bhelgaas@google.com
Subject: Re: [Intel-wired-lan] [PATCH next-queue v2 3/3] igc: Add support for PTP getcrosststamp()
Date: Wed, 18 Nov 2020 07:55:34 -0800 [thread overview]
Message-ID: <20201118075534.2a5e63c4@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> (raw)
In-Reply-To: <87d00b5uj7.fsf@intel.com>
On Tue, 17 Nov 2020 17:21:48 -0800 Vinicius Costa Gomes wrote:
> > Also, what is the point of providing time measurements every 1
> > millisecond?
>
> I sincerely have no idea. I had no power on how the hardware was
> designed, and how PTM was implemented in HW.
Is the PTMed latency not dependent on how busy the bus is?
That'd make 1ms more reasonable.
next prev parent reply other threads:[~2020-11-18 15:55 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 6:10 [PATCH next-queue v2 0/3] igc: Add support for PCIe PTM Vinicius Costa Gomes
2020-11-10 6:10 ` [PATCH next-queue v2 1/3] Revert "PCI: Make pci_enable_ptm() private" Vinicius Costa Gomes
2020-11-10 6:10 ` [PATCH next-queue v2 2/3] igc: Enable PCIe PTM Vinicius Costa Gomes
2020-11-10 6:10 ` [PATCH next-queue v2 3/3] igc: Add support for PTP getcrosststamp() Vinicius Costa Gomes
2020-11-10 18:07 ` [Intel-wired-lan] " Miroslav Lichvar
2020-11-10 19:06 ` Vinicius Costa Gomes
2020-11-11 9:33 ` Miroslav Lichvar
2020-11-11 22:23 ` Vinicius Costa Gomes
2020-11-12 9:32 ` Miroslav Lichvar
2020-11-12 23:46 ` Vinicius Costa Gomes
2020-11-13 3:24 ` Richard Cochran
2020-11-13 19:10 ` Vinicius Costa Gomes
2020-11-14 2:57 ` Richard Cochran
2020-11-17 1:06 ` Vinicius Costa Gomes
2020-11-17 1:49 ` Richard Cochran
2020-11-18 1:21 ` Vinicius Costa Gomes
2020-11-18 12:54 ` Richard Cochran
2020-11-19 0:22 ` Vinicius Costa Gomes
2020-11-20 14:16 ` Richard Cochran
2020-11-20 17:58 ` Vinicius Costa Gomes
2021-03-22 15:36 ` Vinicius Costa Gomes
2021-03-23 4:17 ` Richard Cochran
2020-11-18 15:55 ` Jakub Kicinski [this message]
2020-11-20 19:07 ` Vinicius Costa Gomes
2020-11-12 0:38 ` Vinicius Costa Gomes
2021-03-22 15:47 ` Vinicius Costa Gomes
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