As title. I have searched about com.broadcom.mes.systemextension but from their website I still don't know what it is for. As a NeoVim(you can think it as Vim) user when I scrolling through a result list from CLI tools rg(ripgrep) and fd(find), this CPU usage of this process goes from 5% to 105% and the temperature of my computer goes straight up to 80 Celsius. I really want to stop this process but I don't know whether it will be serious side-effect to my computer. Thanks in advance!
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1 Answer
Google tells me it's part of Symantec Endpoint protection & has a known issue. See https://knowledge.broadcom.com/external/article/184880/macos-1015x-machines-experience-high-cpu.html
I can't test this theory, as Broadcom requires client login to access. If this is a company Mac, refer to your IT department.
Issue/Introduction
High CPU use may be experienced on some macOS 10.15.x machines running the 14.2 RU2 release of Symantec Endpoint Protection (SEP). The process involved is the new com.symantec.mes.systemextension.
Cause
Due to changes made in macOS 10.15, scan operations with autoprotect were happening unnecessarily.
Resolution
This is resolved in Symantec Endpoint Protection version 14.2 RU2 MP1 build b5576 and is available via the Broadcom Download Center
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That page says the relevant process is
com.symantec.mes.systemextension, which is different than the one mentioned in the question,com.broadcom.mes.systemextensionCommented Mar 11, 2022 at 18:17 -
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@Tetsujin even after logging in unfortunately. I end up being redirected to support.broadcom.com/group/ecx/downloads which has a page with 2 options to proceed which says "Looks like you don't have any product entitlements. brows our range of products" -OR- "Don't know your site ID? build your profile and get access to your entitlements" Neither option lead to a fruitful conclusion Commented Sep 13, 2022 at 19:53