19:59:09 RRSAgent has joined #webperf 19:59:09 logging to http://www.w3.org/2014/12/10-webperf-irc 19:59:11 RRSAgent, make logs world 19:59:11 Zakim has joined #webperf 19:59:13 Zakim, this will be WPWG 19:59:13 I do not see a conference matching that name scheduled within the next hour, trackbot 19:59:14 Meeting: Web Performance Working Group Teleconference 19:59:14 Date: 10 December 2014 19:59:19 zakim, this will be per 19:59:20 ok, plh; I see RWC_web-per()3:00PM scheduled to start in 1 minute 19:59:59 agenda+ RT issue 2 + audio/video 20:00:07 agenda+ NT and getEntriesByType 20:00:18 agenda+ Splitting Resource Hints / Preload? 20:00:29 agenda+ Server Timing feedback? 20:00:38 agenda+ Performance Observer feedback? 20:00:49 agenda+ Frame Timing 20:02:11 bl has joined #webperf 20:02:24 RWC_web-per()3:00PM has now started 20:02:26 +Plh 20:02:42 + +1.415.528.aaaa 20:03:30 zakim, aaaa is igrigorik 20:03:30 +igrigorik; got it 20:03:59 +[IPcaller] 20:04:19 + +1.518.573.aabb 20:04:58 zakim, [IP is Bernhard 20:04:58 +Bernhard; got it 20:05:13 zakim, aabb is Michael 20:05:13 +Michael; got it 20:08:17 agenda: http://lists.w3.org/Archives/Public/public-web-perf/2014Dec/0026.html 20:08:33 Topic: Frame Timing 20:09:14 plh: double cpuTime should be HRT 20:09:53 Michael: based on conversation, cpuTime will be the whole clock during from the start of the frame to done processing 20:10:16 ... sourceFrameNumber will be the frame index 20:10:52 ACTION: Plh to update cpuTime to use HR time 20:10:52 Created ACTION-146 - Update cputime to use hr time [on Philippe Le Hégaret - due 2014-12-17]. 20:11:22 https://github.com/w3c/frame-timing/pull/19 20:11:50 igrigorik: we need to update that one 20:11:58 ... and Michael will update it 20:12:13 Michael: yes, will do 20:12:58 Resolution: publish the FPWD once Michael is done with the change 20:13:41 plh: moratorium is tuesday or thursday next week 20:14:15 igrigorik: we had good feedback from mozilla and ms 20:14:30 Topic: Performane Observer feedback 20:14:49 igrigorik: maybe related to frame timing 20:15:07 ... we have outstanding issues to trigger when new resources are added to RT 20:15:24 ... the proposal is to add a subscriber 20:15:43 ... but frame timing fires often 20:16:03 ... proposal is to define a new "mutation" event for performance timeline 20:16:28 plh: we should make sure anne is in the loop on this imho 20:17:00 igrigorik: we probably need to formalize the use cases here 20:17:25 plh: I'll follow upon the list 20:17:31 s/upon/on/ 20:17:42 Topic: Server Timing feedback 20:18:02 igrigorik: we circulated a draft with use cases and API 20:18:09 ... ideas at the moment 20:18:17 ... feedback seems positive 20:18:40 ... we need an official repo for it 20:18:46 ACTION: plh to make sure the repo 20:18:46 Created ACTION-147 - Make sure the repo [on Philippe Le Hégaret - due 2014-12-17]. 20:19:06 ACTIOn: plh to make sure it's ok with the charter 20:19:06 Created ACTION-148 - Make sure it's ok with the charter [on Philippe Le Hégaret - due 2014-12-17]. 20:19:41 Topic: Splitting Resource Hints / Preload 20:20:27 igrigorik: confusion about mandatory hints, etc. 20:20:32 .... from TPAC 20:20:53 ... best way is to separate preload from the rest 20:21:07 ... put the optinal semantic in a separate spec 20:21:56 -Michael 20:21:59 plh: I can do either way 20:22:05 igrigorik: it's easier to implement 20:23:15 ... I'll send a follow up asking for objection within a week 20:23:36 Topic: NT and getEntriesByType 20:24:53 igrigorik: chrome and ff returns an entry array 20:25:20 +Michael 20:25:29 ... ie returns data 20:26:28 plh: original thinking was to harmonize the specs and only use performancetimeline extension 20:26:41 igrigorik: in that case, we always return an array of size 1 20:27:00 ... we 'll need a test as well 20:27:27 plh: I'll raise an issue to follow up 20:27:51 Topic: Resource Timing 20:28:09 igrigorik: in the current spec, we referece RT L2 20:28:15 ... that should be removed 20:28:48 plh: I'd like to move the spec back to WD 20:28:58 ... that should take care of the note 20:29:42 igrigorik: why didn't we address audio/video in L1? 20:29:58 plh: I think we weren't sure about all the use cases at that time 20:30:16 ACTION: plh to update RT in /TR 20:30:17 Created ACTION-149 - Update rt in /tr [on Philippe Le Hégaret - due 2014-12-17]. 20:30:31 Topic: Page Visibility 2 20:31:11 plh: did you reach a conclusion with the chrome team? 20:31:20 igrigorik: Nat still opposes the change 20:31:45 ... we'd be much better off tackling element visibility 20:32:02 ... instead of hacking iframe 20:32:08 ... I'll follow up on this front 20:33:46 Topic: next meeting 20:33:54 -igrigorik 20:33:57 plh: I'll ping folks to see if we need a meeting next week 20:34:04 -Plh 20:34:04 rrsagent, generate minutes 20:34:04 I have made the request to generate http://www.w3.org/2014/12/10-webperf-minutes.html plh 20:34:05 -Michael 20:34:45 -Bernhard 20:34:47 RWC_web-per()3:00PM has ended 20:34:47 Attendees were Plh, +1.415.528.aaaa, igrigorik, [IPcaller], +1.518.573.aabb, Bernhard, Michael 20:34:59 rrsagent, generate minutes 20:34:59 I have made the request to generate http://www.w3.org/2014/12/10-webperf-minutes.html plh