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[Bug 1540179] [NEW] chromium-browser uses excessive resources in Xubuntu 16.04

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Public bug reported:

My machine has 8GB RAM.  Upon launching a single tab of one Chrome
window, it normally takes 17-19 seconds to display the window and become
usable.  Compare this to Firefox version 44.0 which launches and becomes
usable in 2-3 seconds.

Please note that I frequently use both of these browsers and I am not
biased either way.

Digging a little deeper, I see that Chrome starts 7 processes just for
this single tab Chrome browser window.

`ps -e -m --cols 256 -o 'size,args' | grep chrom`
461420 chromium-browser --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.233 --enable-pinch
 6380 chromium-browser --type=zygote --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.233
39164 chromium-browser --type=zygote --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.233
551940 /usr/lib/chromium-browser/chromium-browser --type=renderer --enable-pinch --lang=en-US --force-fieldtrials=AutofillClassifier/Enabled/Auto
64100 chromium-browser --type=gpu-process --channel=10330.2.320071530 --supports-dual-gpus=false --gpu-driver-bug-workarounds=2,3,18,25,33,47,51,63 --disable-accelerated-video-decode --gpu-vendor-id=0x1002 --gpu-device-id=0x9612 --gpu-driver-vendor=Mesa --
419048 /usr/lib/chromium-browser/chromium-browser --type=renderer --enable-pinch --lang=en-US --force-fieldtrials=AutofillClassifier/Enabled/Auto
435984 /usr/lib/chromium-browser/chromium-browser --type=renderer --enable-pinch --lang=en-US --force-fieldtrials=AutofillClassifier/Enabled/*Aut

Adding up the Chrome total memory size in kilobytes, I get a total of
1,978,036 kilobytes or~2GB.  That seems excessive to me.  I do not
recall if this was also the case when I was running Xubuntu 14.04 on
this machine but Chrome never was this slow before.

My Chrome extensions: AdBlock 2.48 and Send from Gmail (by Google) 1.16,
both enabled.

I have quite a few extensions and plugins in Firefox (E.g. Flash, Java, OpenH264, AdblockPlus).  Yet,
`ps -e -m --cols 256 -o 'size,args' | grep irefox`
769012 /usr/lib/firefox/firefox

That is, the single tab Firefox window required one Firefox process at a
s ize of 769MB (piggy add-ons?).  Still, Firefox is fast enough.

The `top` report header while both browsers are sitting idle:
Tasks: 209 total,   1 running, 208 sleeping,   0 stopped,   0 zombie
%Cpu(s):  1.7 us,  1.0 sy,  0.0 ni, 97.2 id,  0.2 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem :  7915748 total,  4403188 free,  1364560 used,  2148000 buff/cache
KiB Swap:  8122364 total,  8122364 free,        0 used.  6450608 avail Mem

So, I do not think Chrome should have been waiting on resources during
launch.

My machine specs:
Xubuntu Xenial (16.04)
   - HP Pavilion dv3-1075us Laptop
   - Product page: http://support.hp.com/us-en/document/c01632154
   - It came with Windows Vista + HP bloatware
   - CPU: AMD Turion X2 RM-72 Dual-Core Mobile Processor @ 2.10 GHz
   - RAM: 8GB (max: 8GB)
   - Video: ATI Radeon HD 3200 Graphics
   - Current storage: SSD 64GB (shipped with HDD 320GB @ 5400 rpm)
   - Weight: 4.6 lbs (2.09 kg)

QA Team Gist link: https://gist.github.com/9c6dbcd7cc1c24175aee

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: chromium-browser 47.0.2526.106-0ubuntu1.1221
ProcVersionSignature: Ubuntu 4.3.0-7.18-generic 4.3.3
Uname: Linux 4.3.0-7-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.19.4-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
DRM.card0.HDMI.A.1:
 edid-base64: 
 dpms: On
 modes: 
 enabled: disabled
 status: disconnected
DRM.card0.LVDS.1:
 edid-base64: AP///////wAw5GgBAAAAABkSAQOAHRJ4CgAFAAAAAAAAUFQAAAABAQEBAQEBAQEBAQEBAQEBEhsAgFAgEDAYIEQAS88QAAAYAAAAAAAAAAAAAAAAAAAAAAAAAAAA/gAAAABMR0RJU1BMQVkKAAAA/gBMUDEzM1dYMi1UTEUxAE8=
 dpms: On
 modes: 1280x800 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
 enabled: enabled
 status: connected
DRM.card0.VGA.1:
 edid-base64: 
 dpms: On
 modes: 
 enabled: disabled
 status: disconnected
Date: Sun Jan 31 17:21:22 2016
Desktop-Session:
 'xubuntu'
 '/etc/xdg/xdg-xubuntu:/usr/share/upstart/xdg:/etc/xdg:/etc/xdg'
 '/usr/share/xubuntu:/usr/share/xfce4:/usr/local/share/:/usr/share/:/usr/share'
DetectedPlugins:
 
Env:
 'None'
 'None'
InstallationDate: Installed on 2015-09-18 (135 days ago)
InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150825)
Load-Avg-1min: 0.55
Load-Processes-Running-Percent:   0.2%
MachineType: Hewlett-Packard HP Pavilion dv3 Notebook PC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-7-generic root=UUID=f0453f42-1d84-4c59-af30-ba4484fb3e8c ro quiet splash vt.handoff=7
SourcePackage: chromium-browser
UpgradeStatus: Upgraded to xenial on 2016-01-13 (18 days ago)
dmi.bios.date: 08/25/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.15
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1506
dmi.board.vendor: Compal
dmi.board.version: 14.31
dmi.chassis.type: 10
dmi.chassis.vendor: Compal
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.15:bd08/25/2009:svnHewlett-Packard:pnHPPaviliondv3NotebookPC:pvr1:rvnCompal:rn1506:rvr14.31:cvnCompal:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv3 Notebook PC
dmi.product.version: 1
dmi.sys.vendor: Hewlett-Packard
gconf-keys: /desktop/gnome/applications/browser/exec = b'firefox\n'/desktop/gnome/url-handlers/https/command = b'firefox %s\n'/desktop/gnome/url-handlers/https/enabled = b'true\n'/desktop/gnome/url-handlers/http/command = b'firefox %s\n'/desktop/gnome/url-handlers/http/enabled = b'true\n'/desktop/gnome/session/required_components/windowmanager = b''/apps/metacity/general/compositing_manager = b''/desktop/gnome/interface/icon_theme = b'gnome\n'/desktop/gnome/interface/gtk_theme = b'Clearlooks\n'
modified.conffile..etc.default.chromium.browser: [deleted]
mtime.conffile..etc.chromium.browser.default: 2015-09-19T13:24:52.401305

** Affects: chromium-browser (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to chromium-browser in Ubuntu.
https://bugs.launchpad.net/bugs/1540179

Title:
  chromium-browser uses excessive resources in Xubuntu 16.04

Status in chromium-browser package in Ubuntu:
  New

Bug description:
  My machine has 8GB RAM.  Upon launching a single tab of one Chrome
  window, it normally takes 17-19 seconds to display the window and
  become usable.  Compare this to Firefox version 44.0 which launches
  and becomes usable in 2-3 seconds.

  Please note that I frequently use both of these browsers and I am not
  biased either way.

  Digging a little deeper, I see that Chrome starts 7 processes just for
  this single tab Chrome browser window.

  `ps -e -m --cols 256 -o 'size,args' | grep chrom`
  461420 chromium-browser --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.233 --enable-pinch
   6380 chromium-browser --type=zygote --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.233
  39164 chromium-browser --type=zygote --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.233
  551940 /usr/lib/chromium-browser/chromium-browser --type=renderer --enable-pinch --lang=en-US --force-fieldtrials=AutofillClassifier/Enabled/Auto
  64100 chromium-browser --type=gpu-process --channel=10330.2.320071530 --supports-dual-gpus=false --gpu-driver-bug-workarounds=2,3,18,25,33,47,51,63 --disable-accelerated-video-decode --gpu-vendor-id=0x1002 --gpu-device-id=0x9612 --gpu-driver-vendor=Mesa --
  419048 /usr/lib/chromium-browser/chromium-browser --type=renderer --enable-pinch --lang=en-US --force-fieldtrials=AutofillClassifier/Enabled/Auto
  435984 /usr/lib/chromium-browser/chromium-browser --type=renderer --enable-pinch --lang=en-US --force-fieldtrials=AutofillClassifier/Enabled/*Aut

  Adding up the Chrome total memory size in kilobytes, I get a total of
  1,978,036 kilobytes or~2GB.  That seems excessive to me.  I do not
  recall if this was also the case when I was running Xubuntu 14.04 on
  this machine but Chrome never was this slow before.

  My Chrome extensions: AdBlock 2.48 and Send from Gmail (by Google)
  1.16, both enabled.

  I have quite a few extensions and plugins in Firefox (E.g. Flash, Java, OpenH264, AdblockPlus).  Yet,
  `ps -e -m --cols 256 -o 'size,args' | grep irefox`
  769012 /usr/lib/firefox/firefox

  That is, the single tab Firefox window required one Firefox process at
  a s ize of 769MB (piggy add-ons?).  Still, Firefox is fast enough.

  The `top` report header while both browsers are sitting idle:
  Tasks: 209 total,   1 running, 208 sleeping,   0 stopped,   0 zombie
  %Cpu(s):  1.7 us,  1.0 sy,  0.0 ni, 97.2 id,  0.2 wa,  0.0 hi,  0.0 si,  0.0 st
  KiB Mem :  7915748 total,  4403188 free,  1364560 used,  2148000 buff/cache
  KiB Swap:  8122364 total,  8122364 free,        0 used.  6450608 avail Mem

  So, I do not think Chrome should have been waiting on resources during
  launch.

  My machine specs:
  Xubuntu Xenial (16.04)
     - HP Pavilion dv3-1075us Laptop
     - Product page: http://support.hp.com/us-en/document/c01632154
     - It came with Windows Vista + HP bloatware
     - CPU: AMD Turion X2 RM-72 Dual-Core Mobile Processor @ 2.10 GHz
     - RAM: 8GB (max: 8GB)
     - Video: ATI Radeon HD 3200 Graphics
     - Current storage: SSD 64GB (shipped with HDD 320GB @ 5400 rpm)
     - Weight: 4.6 lbs (2.09 kg)

  QA Team Gist link: https://gist.github.com/9c6dbcd7cc1c24175aee

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: chromium-browser 47.0.2526.106-0ubuntu1.1221
  ProcVersionSignature: Ubuntu 4.3.0-7.18-generic 4.3.3
  Uname: Linux 4.3.0-7-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.19.4-0ubuntu1
  Architecture: amd64
  CurrentDesktop: XFCE
  DRM.card0.HDMI.A.1:
   edid-base64: 
   dpms: On
   modes: 
   enabled: disabled
   status: disconnected
  DRM.card0.LVDS.1:
   edid-base64: AP///////wAw5GgBAAAAABkSAQOAHRJ4CgAFAAAAAAAAUFQAAAABAQEBAQEBAQEBAQEBAQEBEhsAgFAgEDAYIEQAS88QAAAYAAAAAAAAAAAAAAAAAAAAAAAAAAAA/gAAAABMR0RJU1BMQVkKAAAA/gBMUDEzM1dYMi1UTEUxAE8=
   dpms: On
   modes: 1280x800 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
   enabled: enabled
   status: connected
  DRM.card0.VGA.1:
   edid-base64: 
   dpms: On
   modes: 
   enabled: disabled
   status: disconnected
  Date: Sun Jan 31 17:21:22 2016
  Desktop-Session:
   'xubuntu'
   '/etc/xdg/xdg-xubuntu:/usr/share/upstart/xdg:/etc/xdg:/etc/xdg'
   '/usr/share/xubuntu:/usr/share/xfce4:/usr/local/share/:/usr/share/:/usr/share'
  DetectedPlugins:
   
  Env:
   'None'
   'None'
  InstallationDate: Installed on 2015-09-18 (135 days ago)
  InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150825)
  Load-Avg-1min: 0.55
  Load-Processes-Running-Percent:   0.2%
  MachineType: Hewlett-Packard HP Pavilion dv3 Notebook PC
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-7-generic root=UUID=f0453f42-1d84-4c59-af30-ba4484fb3e8c ro quiet splash vt.handoff=7
  SourcePackage: chromium-browser
  UpgradeStatus: Upgraded to xenial on 2016-01-13 (18 days ago)
  dmi.bios.date: 08/25/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.15
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 1506
  dmi.board.vendor: Compal
  dmi.board.version: 14.31
  dmi.chassis.type: 10
  dmi.chassis.vendor: Compal
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.15:bd08/25/2009:svnHewlett-Packard:pnHPPaviliondv3NotebookPC:pvr1:rvnCompal:rn1506:rvr14.31:cvnCompal:ct10:cvrN/A:
  dmi.product.name: HP Pavilion dv3 Notebook PC
  dmi.product.version: 1
  dmi.sys.vendor: Hewlett-Packard
  gconf-keys: /desktop/gnome/applications/browser/exec = b'firefox\n'/desktop/gnome/url-handlers/https/command = b'firefox %s\n'/desktop/gnome/url-handlers/https/enabled = b'true\n'/desktop/gnome/url-handlers/http/command = b'firefox %s\n'/desktop/gnome/url-handlers/http/enabled = b'true\n'/desktop/gnome/session/required_components/windowmanager = b''/apps/metacity/general/compositing_manager = b''/desktop/gnome/interface/icon_theme = b'gnome\n'/desktop/gnome/interface/gtk_theme = b'Clearlooks\n'
  modified.conffile..etc.default.chromium.browser: [deleted]
  mtime.conffile..etc.chromium.browser.default: 2015-09-19T13:24:52.401305

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