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| author | Len Brown <len.brown@intel.com> | 2020-03-19 18:26:05 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2020-03-20 00:32:28 -0400 |
| commit | 1f81c5efc020314b2db30d77efe228b7e117750d (patch) | |
| tree | 0d9fa2d6c2f502f33e0ef1cc49ce0466897ca85f /tools/power/x86/turbostat/Makefile | |
| parent | f6708400707fec5cb56600710a9be59266df09ad (diff) | |
tools/power turbostat: Fix missing SYS_LPI counter on some Chromebooks
Some Chromebook BIOS' do not export an ACPI LPIT, which is how
Linux finds the residency counter for CPU and SYSTEM low power states,
that is exports in /sys/devices/system/cpu/cpuidle/*residency_us
When these sysfs attributes are missing, check the debugfs attrubte
from the pmc_core driver, which accesses the same counter value.
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/power/x86/turbostat/Makefile')
0 files changed, 0 insertions, 0 deletions