tools/power/turbostat: Cache graphics sysfs path

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Graphics drivers (i915/Xe) have different sysfs knobs on different
platforms, and it is possible that different sysfs knobs fit into the
same turbostat columns.

Instead of specifying different sysfs knobs every time, detect them
once and cache the path for future use.

No functional change.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

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Zhang Rui 2024-03-12 14:23:37 +08:00 • committed by Len Brown

parent bb5db22c13

commit 4e2bbbf78c

1 changed files with 32 additions and 13 deletions

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tools/power/x86/turbostat/turbostat.c

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