Recall that I'm not interested in measuring all latency, only (for the
time being) latency caused by JS code executing on the main thread or
waiting for a CPOW. This simplifies a lot the implementation (when I
execute JS code, I just need to check whether I'm currently dealing with
a user-issued
Note that I'm looking for a way to track this across the entire process,
not a single document. I'd rather avoid having to track all documents
(both XUL and HTML) in the process if I can find a simpler solution.
On 30/10/15 01:18, Brian Birtles wrote:
> For CSS animations/transitions (not
Yes, that's also my guess. I'd appreciate if someone could confirm that.
Also, I haven't found a public API for this, so I'm digging in the
source of the refresh driver, and I haven't found confirmation yet.
Cheers,
David
On 30/10/15 02:33, Karl Tomlinson wrote:
> David Rajchenbach-Teller
I have posted an early patch on bug 1219145 that approximates
"animating" to "is anyone listening for vsync". If anybody knowledgeable
could take a look, I'd be grateful.
Cheers,
David
On 30/10/15 02:33, Karl Tomlinson wrote:
> David Rajchenbach-Teller writes:
>
>> To improve the Performance
On 10/30/2015 2:35, Ehsan Akhgari wrote:
On 2015-10-29 9:47 AM, David Rajchenbach-Teller wrote:
The main thread of the current chrome/content process.
Indeed, animations are one of my two use cases, the other one being
user-input latency, but I'm almost sure I know how to deal with the
This sounds like a good idea. I'll see if I can get some time budgeted
to help with this during Q1.
Cheers,
David
On 30/10/15 15:09, Honza Bambas wrote:
> This is exactly what I want Backtrack for
> (http://www.janbambas.cz/new-gecko-performance-tool-backtrack/). That
> tool will allow you to
To improve the Performance Stats API, I'm looking for a way to find out
if we are currently animating something on the main thread.
My definition of animating is pretty large, i.e. "will the user probably
notice if some computation on the main thread lasts more than 32ms".
Do we have a reliable
The main thread of the current chrome/content process.
Indeed, animations are one of my two use cases, the other one being
user-input latency, but I'm almost sure I know how to deal with the latter.
Cheers,
David
On 29/10/15 14:32, Benjamin Smedberg wrote:
> On the main thread of which
On the main thread of which process?
Please consider non-"animation" use-cases. In particular, users do
notice the latency of typing into edit boxes as much as anything else.
So let's make sure that editing latency triggers this as much as a
current animation.
--BDS
On 10/29/2015 9:14 AM,
On 29/10/15 16:32, Benoit Girard wrote:
> We've explored several different ways of measuring this. Several of
> these are in the tree. Generally what I have found the most useful is to
> measure how we're servicing the content' main thread. This measurement
> is great because its measures how
We've explored several different ways of measuring this. Several of these
are in the tree. Generally what I have found the most useful is to measure
how we're servicing the content' main thread. This measurement is great
because its measures how responsive Firefox is not only for
On 2015/10/30 0:57, David Rajchenbach-Teller wrote:
On 29/10/15 16:32, Benoit Girard wrote:
We've explored several different ways of measuring this. Several of
these are in the tree. Generally what I have found the most useful is to
measure how we're servicing the content' main thread. This
David Rajchenbach-Teller writes:
> To improve the Performance Stats API, I'm looking for a way to find out
> if we are currently animating something on the main thread.
>
> My definition of animating is pretty large, i.e. "will the user probably
> notice if some computation on the main thread
On 2015-10-29 9:47 AM, David Rajchenbach-Teller wrote:
The main thread of the current chrome/content process.
Indeed, animations are one of my two use cases, the other one being
user-input latency, but I'm almost sure I know how to deal with the latter.
Out of curiosity, how are you planning
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