High kernel_task CPU usage (above 100%)
My MacBook Pro (late 2011, 13") gets really slow after 3/4 hours of use and only gets normal after restarting. In those situations, kernel_task CPU usage is always above 100%.
I tried resetting NVRAM and SMC and using safe mode, but the problem persists.
EtreCheck below:
EtreCheck version: 3.4.2 (436)
Report generated 2017-08-15 18:34:25
Download EtreCheck from https://etrecheck.com
Runtime: 3:18
Performance: Good
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Click the [Details] links for more information about that line.
Problem: Computer is too slow
Hardware Information: ⓘ
MacBook Pro (13-inch, Late 2011)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro8,1
1 2,4 GHz Intel Core i5 (i5-2435M) CPU: 2-core
16 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
8 GB DDR3 1333 MHz ok
BANK 1/DIMM0
8 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Battery: Health = Normal - Cycle count = 694
Video Information: ⓘ
Intel HD Graphics 3000 - VRAM: 512 MB
DELL U2412M 1920 x 1200
Disk Information: ⓘ
ST9500325ASG disk0: (500,11 GB) (Rotational)
[Show SMART report]
EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB
(disk0s2) <not mounted> [CoreStorage Container]: 499.25 GB
Recovery HD (disk0s3 - Journaled HFS+) <not mounted> [Recovery]: 650 MB
MATSHITADVD-R UJ-8A8 ()
USB Information: ⓘ
USB20Bus
Apple Inc. FaceTime HD Camera (Built-in)
hub_device
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
USB20Bus
hub_device
Wacom Co.,Ltd. Intuos PS
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Virtual disks: ⓘ
Macintosh HD (disk1 - Journaled HFS+) / [Startup]: 498.89 GB (271.50 GB free)
Physical disk: disk0s2 499.25 GB Online
System Software: ⓘ
macOS Sierra 10.12.6 (16G29) - Time since boot: less than an hour
Configuration files: ⓘ
/etc/hosts - Count: 1
System Integrity Protection status: disabled
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/Library/Extensions
[not loaded] com.FTDI.driver.D2XXHelper (1.0 - SDK 10.12) [Lookup]
[not loaded] com.wacom.kext.wacomtablet (Wacom Tablet 6.3.23-3 - SDK 10.12) [Lookup]
System Launch Agents: ⓘ
[not loaded] 9 Apple tasks
[loaded] 187 Apple tasks
[running] 86 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 40 Apple tasks
[loaded] 180 Apple tasks
[running] 96 Apple tasks
Launch Agents: ⓘ
[running] com.adobe.AdobeCreativeCloud.plist (Adobe Systems, Inc. - installed 2017-07-25) [Lookup]
[running] com.diebold.warsaw.user.plist (? 951b4e8c 698c64fd - installed 2016-10-19) [Lookup]
[loaded] com.oracle.java.Java-Updater.plist (? b5fe1c1a 72ac4dde - installed 2017-08-08) [Lookup]
[running] com.wacom.wacomtablet.plist (Wacom Technology Corp. - installed 2017-07-12) [Lookup]
Launch Daemons: ⓘ
[running] com.adobe.adobeupdatedaemon.plist (Adobe Systems, Inc. - installed 2017-07-25) [Lookup]
[running] com.adobe.agsservice.plist (Adobe Systems, Inc. - installed 2017-05-25) [Lookup]
[loaded] com.adobe.fpsaud.plist (? 2afb3af7 85012398 - installed 2017-07-25) [Lookup]
[running] com.diebold.warsaw.plist (? be1144d8 698c64fd - installed 2016-10-19) [Lookup]
[loaded] com.microsoft.autoupdate.helpertool.plist (Microsoft Corporation - installed 2016-09-10) [Lookup]
[loaded] com.microsoft.office.licensingV2.helper.plist (Microsoft Corporation - installed 2016-09-10) [Lookup]
[loaded] com.oracle.java.Helper-Tool.plist (Shell Script e3fefdd2 - installed 2017-07-22) [Lookup]
[running] com.wacom.TabletHelper.plist (Wacom Technology Corp. - installed 2017-07-12) [Lookup]
[loaded] com.wacom.displayhelper.plist (Apple, Inc. - installed 2017-07-15)
User Launch Agents: ⓘ
[loaded] com.adobe.AAM.Updater-1.0.plist (Adobe Systems, Inc. - installed 2016-11-12) [Lookup]
[loaded] com.bittorrent.uTorrent.plist (BitTorrent, Inc - installed 2016-11-11) [Lookup]
[loaded] com.dropbox.DropboxMacUpdate.agent.plist (Dropbox, Inc. - installed 2017-08-10) [Lookup]
[loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2017-07-10) [Lookup]
User Login Items: ⓘ
Quicksilver Aplicativo
(/Applications/Quicksilver.app)
Flux Aplicativo
(/Applications/Flux.app)
Android File Transfer Agent Aplicativo
(~/Library/Application Support/Google/Android File Transfer/Android File Transfer Agent.app)
Internet Plug-ins: ⓘ
FlashPlayer-10.6: 26.0.0.151 (installed 2017-08-08) [Lookup]
Flash Player: 26.0.0.151 (installed 2017-08-08) [Lookup]
QuickTime Plugin: 7.7.3 (installed 2017-07-24)
JavaAppletPlugin: Java 8 Update 144 build 01 (installed 2017-08-08) Check version
AdobeAAMDetect: 3.0.0.0 (installed 2017-07-25) [Lookup]
WacomTabletPlugin: WacomTabletPlugin 2.1.0.6 (installed 2017-06-22) [Lookup]
3rd Party Preference Panes: ⓘ
Flash Player (installed 2017-07-25) [Lookup]
Java (installed 2017-08-08) [Lookup]
WacomTablet (installed 2017-06-22) [Lookup]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
11% WindowServer
10% Finder
3% kernel_task
2% plugin-container
2% firefox
Top Processes by Memory: ⓘ
767 MB firefox
764 MB kernel_task
477 MB plugin-container
453 MB plugin-container
324 MB plugin-container
Top Processes by Network Use: ⓘ
Input Output Process name
3 MB 943 KB firefox
374 KB 101 KB mDNSResponder
181 KB 6 KB netbiosd
18 KB 0 B launchd
9 KB 8 KB apsd
Top Processes by Energy Use: ⓘ
9.94 WindowServer
7.74 Finder
2.50 plugin-container
2.44 plugin-container
2.40 firefox
Virtual Memory Information: ⓘ
10.66 GB Available RAM
8.17 GB Free RAM
5.34 GB Used RAM
2.49 GB Cached files
0 B Swap Used
Software installs: ⓘ
GIF Brewery 3: 3.5 (installed 2017-07-19)
GIPHY CAPTURE: 3.6 (installed 2017-07-19)
Java 8 Update 144: (installed 2017-08-08)
Adobe Flash Player: (installed 2017-08-08)
GIF Brewery 3: 3.6 (installed 2017-08-11)
Cleaner for Memory: 2.4.2 (installed 2017-08-12)
Install information may not be complete.
Diagnostics Information: ⓘ
2017-08-15 13:58:17 Adobe Photoshop CC 2017.app High CPU use [Open] [Details]
2017-08-15 10:54:59 Adobe Premiere Pro CC 2017.app High CPU use [Open] [Details]
2017-08-15 10:48:36 Adobe After Effects CC 2017.app High CPU use [Open] [Details]
2017-08-15 10:25:56 Firefox.app High CPU use [Open] [Details]
2017-08-13 13:25:40 quicklookd.app Crash [Open]
Cause: quicklookd seems struck trying to quit, crashing
abort() called
MacBook Pro (13-inch Late 2011), OS X El Capitan (10.11.5)