1269687 - [Perf][google docs] 25.61%(2106 ms) slower than Chrome when opening 1 page txt content

Status: RESOLVED WONTFIX

(Core :: General, defect)

Description

[Shako Ho]

# Test Case
STR
1. Launch the browser with blank page
2. input the google doc url with 1 page txt content
3. close the browser
# Hardware
OS: Ubuntu 14.04 LTS 64-bit
CPU: i7-3770 3.4GMhz
Memory: 16GB Ram
Hard Drive: 1TB SATA HDD
Graphics: GK107 [GeForce GT 640]/ GF108 [GeForce GT 440/630]

# Browsers
Firefox version: 45.0.2
Chrome version: 50.0.2661.75

# Result
Browser | Run time (median value) 
Firefox | 10327.7777777777 ms
Chrome  | 8222.22222222221 ms

Comment 1

[Cynthia Tang [:cynthiatang]]

# Test Case
 1. Launch the browser with blank page
 2. Input the google doc url with 1 pages txt content
    https://goo.gl/i2ax6v
 3. Close the browser
 
# Profiling Data:
https://cleopatra.io/#report=dffdac12569aeb3a646afbbae08d45c34c035938

# Performance Timing:
http://goo.gl/obqQmx
{ "navigationStart": 1463041820680, 
  "unloadEventStart": 0, 
  "unloadEventEnd": 0, 
  "redirectStart": 0, 
  "redirectEnd": 0, 
  "fetchStart": 1463041820684, 
  "domainLookupStart": 1463041820684, 
  "domainLookupEnd": 1463041820684, 
  "connectStart": 1463041820684, 
  "connectEnd": 1463041820684, 
  "requestStart": 1463041820687, 
  "responseStart": 1463041821037, 
  "responseEnd": 1463041821037, 
  "domLoading": 1463041821041, 
  "domInteractive": 1463041821996, 
  "domContentLoadedEventStart": 1463041822872, 
  "domContentLoadedEventEnd": 1463041822873, 
  "domComplete": 1463041825806, 
  "loadEventStart": 1463041825806, 
  "loadEventEnd": 1463041825813
}

# Test Script:
https://github.com/Mozilla-TWQA/Hasal/blob/master/tests/test_firefox_gdoc_read_basic_txt_1.sikuli/test_firefox_gdoc_read_basic_txt_1.py
  sys.path.append(sys.argv[2])
  import browser
  import common
  import gdoc

  com = common.General()
  ff = browser.Firefox()
  gd = gdoc.gDoc()

  ff.clickBar()
  ff.enterLink(sys.argv[3])
  sleep(5)
  gd.wait_for_loaded()

  gd.deFoucsContentWindow()

Comment 2

[Cynthia Tang [:cynthiatang]]

# Try to identify the time between "navigationStart" and "loadEventEnd"

Perf Timing:
navigationStart to loadEventEnd = 5133 ms
domLoading to loadEventEnd: 5133 - 361 = 4772 ms
AddOn Start to End mark: 37360 - 32671 = 4689 ms

Profiler: https://goo.gl/7jWv27

From Gecko Profiling data, the Range [31845, 37482]:
 5586  100.0%  Startup::XRE_Main
 1598   28.6%  ├─ nsInputStreamPump::OnInputStreamReady
 1425   25.5%  │  ├─ nsInputStreamPump::OnStateStop  
  119    2.1%  │  ├─ nsInputStreamPump::OnStateStart
   54    1.0%  │  └─ nsInputStreamPump::OnStateTransfer
               │
  947   17.0%  ├─ nsHtml5TreeOpExecutor::RunFlushLoop
  775   13.9%  │  ├─ nsJSUtils::EvaluateString 
  143    2.6%  │  ├─ EventDispatcher::Dispatch
               │  └─ ...so on
               │
  808   14.5%  ├─ js::RunScrip
  727   13.0%  │  ├─ js::RunScript
               │  └─ ...so on
               │
  648   11.6%  ├─ nsRefreshDriver::Tick
  276    4.9%  │  ├─ PressShell::Paint
  200    3.6%  │  ├─ PressShell::Flush (Flush_Style)
               │  └─ ...so on
               └─ ...so on

Note 
 1. Filed Bug 1267971 for tracking "nsInputStreamPump::OnStateStop"
 2. Filed Bug 1270351 for tracking "nsJSUtils::EvaluateString"
 3. Filed Bug 1271914 for tracking "js::RunScript"
 4. Filed Bug 1270427 for tracking "nsRefreshDriver::Tick"

Comment 3

[Bobby Chien]

Mark as minor case, and marked wontfix in this iteration. Revisit here if necessary.

This bug fixing iteration will focus on critical bug 1264535, bug 1269666, bug 1269684, bug 1269690, bug 1269695, bug 1269698.