938
Slow performance due to high cpu usage by the s...
I am facing issues with Constant high CPU usage by the system (ranges between 68-80%). Activity monitor says that kernel_task is hogging the max CPU (mostly greater then 200%). This has rendered my mac unusable
Steps tried so far
1. Deleted temp and cache
2. Uninstalled flash
3. Created a new admin user account (The issue continued with the new account as well)
4. deleted mediaanalysisd.plist file - by doing this the issue resolved for few hours and then the issue resurfaced.
Please find below the entrechek result:
EtreCheck version: 3.4.4 (448)
Report generated 2017-09-08 20:17:17
Download EtreCheck from https://etrecheck.com
Runtime: 12:20
Performance: Poor
Click the [Lookup] links for more information from Apple Support Communities.
Click the [Details] links for more information about that line.
Click the [Clean up] link to delete unused files.
Problem: Computer is too slow
Description:
My MAC system CPU percentage is very High. And i can see that Kernel_Task is varying from 200 and spiking up to 5000%
MacBook Air (13-inch, Mid 2013)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Air - model: MacBookAir6,2
1 1.3 GHz Intel Core i5 (i5-4250U) CPU: 2-core
4 GB RAM Not upgradeable
BANK 0/DIMM0
2 GB DDR3 1600 MHz ok
BANK 1/DIMM0
2 GB DDR3 1600 MHz ok
Handoff/Airdrop2: supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 1452
Intel HD Graphics 5000 - VRAM: 1536 MB
Color LCD 1440 x 900
APPLE SSD SD0128F disk0: (121.33 GB) (Solid State - TRIM: Yes)
EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB
(disk0s2) <not mounted> [CoreStorage Container]: 120.47 GB
Recovery HD (disk0s3 - Journaled HFS+) <not mounted> [Recovery]: 650 MB
USB30Bus
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. thunderbolt_bus
Lycan (disk1 - Journaled HFS+) / [Startup]: 120.11 GB (71.02 GB free)
Encrypted AES-XTS (Unlocked)
Physical disk: disk0s2 120.47 GB Online
macOS Sierra 10.12.6 (16G29) - Time since boot: less than an hour
Mac App Store and identified developers
/Library/LaunchDaemons/com.wdc.WDPrivilegedHelper.plist
/Library/PrivilegedHelperTools/com.wdc.WDPrivilegedHelper
Executable not found!
One orphan file found. [Clean up]
/Library/Extensions
[loaded] com.paragon-software.filesystems.ntfs (14.2.288 - SDK 10.5) [Lookup]
/System/Library/Extensions
[not loaded] com.nike.sportwatch (1.0.0) [Lookup]
[not loaded] com.seagate.driver.PowSecDriverCore (5.2.4 (26840) - SDK 10.4) [Lookup]
/System/Library/Extensions/Seagate Storage Driver.kext/Contents/PlugIns
[not loaded] com.seagate.driver.PowSecLeafDriver_10_4 (5.2.4 (26840) - SDK 10.4) [Lookup]
[not loaded] com.seagate.driver.PowSecLeafDriver_10_5 (5.2.4 (26840) - SDK 10.5) [Lookup]
[not loaded] com.seagate.driver.SeagateDriveIcons (5.2.4 (26840) - SDK 10.4) [Lookup]
[not loaded] 6 Apple tasks
[loaded] 187 Apple tasks
[running] 88 Apple tasks
[not loaded] 42 Apple tasks
[loaded] 175 Apple tasks
[running] 100 Apple tasks
[not loaded] com.adobe.AAM.Updater-1.0.plist (Adobe Systems, Inc. - installed 2017-08-20) [Lookup]
[running] com.adobe.AdobeCreativeCloud.plist (Adobe Systems, Inc. - installed 2017-07-27) [Lookup]
[running] com.adobe.adobeupdatedaemon.plist (Adobe Systems, Inc. - installed 2017-07-27) [Lookup]
[running] com.adobe.agsservice.plist (Adobe Systems, Inc. - installed 2017-08-10) [Lookup]
[loaded] com.macpaw.CleanMyMac3.Agent.plist (MacPaw Inc. - installed 2017-09-06) [Lookup]
[loaded] com.malwarebytes.HelperTool.plist (Malwarebytes Corporation - installed 2017-03-21) [Lookup]
[loaded] com.microsoft.office.licensing.helper.plist (? 6d8cb30e 8b29c3ef - installed 2012-04-02) [Lookup]
[running] com.paragon-software.NTFS.fsnotify.daemon.plist (? 66744841 b1cb5590 - installed 2016-08-29) [Lookup]
[loaded] com.paragon.NTFS.launch.plist (Apple, Inc. - installed 2017-07-15)
[loaded] com.wdc.WDPrivilegedHelper.plist (? 9f7f4405 0 - installed 2017-09-08) [Lookup] - /Library/PrivilegedHelperTools/com.wdc.WDPrivilegedHelper: Executable not found!
[loaded] com.adobe.AAM.Updater-1.0.plist (Adobe Systems, Inc. - installed 2017-08-20) [Lookup]
[loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2017-07-10) [Lookup]
[loaded] com.macpaw.CleanMyMac3.Scheduler.plist (MacPaw Inc. - installed 2017-09-06) [Lookup]
SharePointBrowserPlugin: 14.4.7 (installed 2015-01-29) [Lookup]
AdobeAAMDetect: 3.0.0.0 (installed 2017-07-27) [Lookup]
QuickTime Plugin: 7.7.3 (installed 2017-07-28)
[enabled] AdBlock - BetaFish, Inc. - https://getadblock.com (installed 2015-12-18)
Paragon NTFS for Mac® (installed 2016-10-31) [Lookup]
Mobile backups: OFF
Auto backup: NO - Auto backup turned off
Volumes being backed up:
Lycan: Disk size: 120.11 GB Disk used: 49.08 GB
Destinations:
Seagate Backup Plus Drive [Local]
Total size: 0 B
Total number of backups: 0
Oldest backup: -
Last backup: -
Size of backup disk: Too small
Backup size 0 B < (Disk used 49.08 GB X 3)
15% Activity Monitor
10% WindowServer
4% kernel_task
2% Dock
2% launchd
439 MB kernel_task
390 MB Safari
153 MB com.apple.WebKit.WebContent
81 MB Adobe CEF Helper
78 MB Adobe Desktop Service
Top Processes by Network Use: ⓘ
Input Output Process name
22 KB 40 KB apsd
20 KB 8 KB mDNSResponder
5 KB 2 KB netbiosd
528 B 624 B ntpd
0 B 64 B SystemUIServer
Top Processes by Energy Use: ⓘ
10.90 WindowServer
8.58 Activity Monitor
1.98 sysmond
0.60 launchd
1.19 GB Available RAM
197 MB Free RAM
2.81 GB Used RAM
1018 MB Cached files
0 B Swap Used
2017-09-08 15:34:05 apple-scc-20170908-153312.app Crash [Open]
2017-09-08 01:10:04 WindowServer High CPU use [Open] [Details]
2017-09-07 13:08:17 quicklookd.app Crash [Open]
Cause: quicklookd seems struck trying to quit, crashing
abort() called
2017-09-07 10:02:41 QuickTime Player.app Crash [Open]
Cause: *** __CFTypeCollectionRetain() called with NULL; likely a collection has been corrupted ***
2017-09-06 20:59:11 CleanMyMac 3.app Crash [Open]
Cause: dyld: launch, loading dependent libraries
2017-09-06 00:46:28 com.apple.CGXPCServicesAgent Crash [Open]
__________________
Attaching the screen shot of activity monitor
4GB RAM on any Mac OS past 10.6.8 can be a problem, unfortunately the MBA can not have RAM upgraded after the time of purchase and some are limited to 4GB RAM.
However you need to remove CleanMyMac; that is software that causes major problems and does nothing else. Avoid software that claims to Clean, Keep, Protect your Mac, all of which has been found to cause problems.
- Open CleanMyMac
- Proceed to the Uninstaller module.
- Find CleanMyMac in the list of apps found by the module.
- Click Complete Removal in the Smart Selector panel to mark the application file and all it related items for removal.
- Click Uninstall.
the shut down
reset the smc
https://support.apple.com/en-us/HT201295
repeat two or three times
reboot into safe mode
https://support.apple.com/en-us/HT201262
then reboot normally.
you also do not need the junk ware that came with your drive. If you have an external dirve formatted as NTFS for Windows you are using 3rd party software to allow you to write to the drive - and if you only need to read it you don't need it, and if you are not using that same drive for Windows you are only giving restrictions to the mac when trying to use it.
If you only need to use an NTFS formatted external drive with Mac
Back up the drive
reformat as Mac Extended (journaled) with Disk Utility
https://support.apple.com/kb/PH22241?locale=en_US
or as ExFat to use on both Mac and Windows (or Fat32) - both these formats have other restrictions on Mac but writing and deleting is not one of them
最後更新：2017-09-09 00:15:03
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