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| H A D | test_Utils.cpp | 0b207a62 Wed Oct 20 00:41:51 CDT 2021 Lei YU <yulei.sh@bytedance.com> cpusensor: Search in peci-0 directory
The code was searching /sys/bus/peci/devices for PECI sensors.
This results in below directories to be searched on typical 2 socket
x86 systems.
* peci-0
* 0-30
* 0-31
Where 0-30 and 0-31 exist in peci-0 as well.
It is unnecessary, and the files in 0-30 and 0-31 will be searched twice
because they exist in peci-0.
Change the code to search in /sys/bus/peci/devices/peci-0 to make sure
it only search the files within the expected directory.
Note that the current peci driver only create peci-0, this code could be
easily extended to support peci-1/2/3 in the future.
Tested: The time for cpusensor to search the peci sensors reduces from
0.5s to about 0.3s.
Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I7b0f3ad7bea7a3dced13a985f0ad19ffda33f6d2
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