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Turbostat Becomes Semi-Useful To Non-Root Users
The turbostat utility is useful on Linux systems for reporting idle/power-state statistics, temperatures, and other useful metrics for modern CPUs
While the functionality will be limited if lacking root access, patches working their way to the upstream kernel rework various checks so that non-root users can now execute turbostat. The updated patches also add new command-line arguments of "--no-msr" and "--no-perf" where even root users can see that the CPU MSR driver use is optional. There are also some other changes with these forthcoming Turbostat updates such as reading the RAPL (Run-Time Average Power Limiting) counters via the Perf API and more.
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