Software Tuning, Performance Optimization & Platform Monitoring
Discussion regarding monitoring and software tuning methodologies, Performance Monitoring Unit (PMU) of Intel microprocessors, and platform updating.

Xcode warning when building PcmMsrDriver.kext


This is my first time trying to install the IntelPerformanceCounterMonitor package.  My system is an Apple Mac Pro 6,1 (2014  model) and I am running version 10.11.6 software and Xcode version 7.3.1.  I am attempting to built version 2.11 of IPCM.  When I attempt to build PcmMsrDriver.kext I get this message:  ld: warning: object file (/Applications/ was built for newer OSX version (10.11) than being linked (10.9)

I have searched all of the Xcode settings to find if I am specifying version 10.9 anywhere, but I cannot find it, all fields (that I have been able to find) referencing an OS version specify 10.11.  Since this is a kernel extension, and this system I am on has lots of important data (yes, I do have backups) I am somewhat hesitant to just drop the kernel extension and see what happens.

I will greatly appreciate any help.  Also, are there some examples of complete, operational code for Mac's using this package that I could use as a starting point for what I'm going to do?  (I simply want to grab a couple of the fixed counters and read the RAPL power information.  Might expand to a couple of other things as I get better and experiment some though.)


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