Re: Content process launch time distribution

2017-02-08 Thread Gabor Krizsanits
On Wed, Feb 8, 2017 at 11:18 AM, Gabriele Svelto wrote: > > I was also thinking about it. I'm not sure in what shape pre-allocated > process support is since it's not been tested for a year already (only > Firefox OS used it AFAIK) but it's a good way to take process startup > out of the critical

Re: Content process launch time distribution

2017-02-08 Thread Gabriele Svelto
On 07/02/2017 18:57, Gabor Krizsanits wrote: > For a temporary workaround until we can speed up content process start up > and initialization time, we might want to use the pre-allocated process > manager for the e10s-multi case. Maybe even force to pick one from the > existing processes unless the

Re: Content process launch time distribution

2017-02-07 Thread Benjamin Smedberg
On Tue, Feb 7, 2017 at 2:38 PM, Harald Kirschner wrote: > > To better understand the long tail of slow process startup, 95th > percentile is over 5s, the context of this metric could : > I doubt that I'm the right person to own a deep dive into this, but I will attempt to provide the answers I c

Re: Content process launch time distribution

2017-02-07 Thread Harald Kirschner
Thanks Benjamin for kicking off this process understand how lower level metrics fit into the higher level quality tracking. To better understand the long tail of slow process startup, 95th percentile is over 5s, the context of this metric could : 1) How often is a content process started during a

Re: Content process launch time distribution

2017-02-07 Thread Mike Conley
> Also, is there a way to get numbers for the >> time from process launch to the point when we start loading the first URL I think there is. There's this "startup timeline" stuff that we record timestamps for: http://searchfox.org/mozilla-central/rev/848c29538ab007fb95dc6cff194f0e3d3809613d/toolki

Re: Content process launch time distribution

2017-02-07 Thread Gabor Krizsanits
Thanks a lot for these numbers! Also, is there a way to get numbers for the time from process launch to the point when we start loading the first URL in the new content process? We run a lot of frame and process scripts sooner than we would get there, and I'm afraid we would get even worse numbers

Content process launch time distribution

2017-02-07 Thread Benjamin Smedberg
https://telemetry.mozilla.org/new-pipeline/dist.html#!cumulative=0&end_date=2017-02-06&keys=__none__!__none__!__none__&max_channel_version=aurora%252F53&measure=CONTENT_PROCESS_LAUNCH_TIME_MS&min_channel_version=null&product=Firefox&sanitize=1&sort_keys=submissions&start_date=2017-01-26&table=0&tri