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A group of counters called "sysfs" displays software C-state request counts and resulting perceived C-state residency. They are not built-in counters that turbostat knows about ahead of time, rather they are discovered in sysfs when turbostat starts. Thus, they are added dynamically, using the same interface as user-added MSR counters. When turbostat enters "no-msr" mode, such as when running as a non-privileged user, it clears all added counters. Updating that to clear only actual MSR added counters allows regular users to see the sysfs counters. [lenb: commit message] Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com> |
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