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Re: Minimal event timing proposal

From: Timothy Dresser <tdresser@chromium.org>
Date: Mon, 26 Mar 2018 20:26:40 +0000
Message-ID: <CAHTsfZBqy9nhpQia+XB52UDbH-yjLB9bCGHobQRi31znS460iA@mail.gmail.com>
To: Ilya Grigorik <igrigorik@google.com>
Cc: "public-web-perf@w3.org" <public-web-perf@w3.org>
I've updated the proposal on WICG here
This proposal requires only dispatching PerformanceEventTiming entries if
the duration between event startTime and when event processing is finished
is > 50ms.


On Fri, Feb 16, 2018 at 1:43 PM Ilya Grigorik <igrigorik@google.com> wrote:

> Tim, thanks for drafting this! I like where this is headed.
> Left a few questions in the doc and added this to our agenda for next
> design call
> <https://docs.google.com/document/d/10dz_7QM5XCNsGeI63R864lF9gFqlqQD37B4q8Q46LMM/edit#heading=h.ljsbtcikd3cl> (date
> TBD).
> On Thu, Feb 15, 2018 at 1:53 PM, Timothy Dresser <tdresser@chromium.org>
> wrote:
>> Based on our discussion on First Input Delay
>> <https://docs.google.com/document/d/1Tnobrn4I8ObzreIztfah_BYnDkbx3_ZfJV5gj2nrYnY/edit> at
>> the last WG meeting, I've put together a minimal proposal
>> <https://docs.google.com/document/d/10CdRCrUQzQF1sk8uHmhEPG7F_jcZ2S3l9Zm40lp3qYk/edit#heading=h.fbdd8nwxr7v4> for
>> an event timing API.
>> The extensions to the DOM spec are fairly straight forward, and the API
>> itself is pretty bare bones. The main question is whether or not
>> dispatching an entry per DOM event is too expensive.
>> If it is, we'll need to devise a method to only report a subset of events.
>> I'd appreciate any feedback you have,
>> Tim
Received on Monday, 26 March 2018 20:27:18 UTC

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