read_msr():pread: Input/output error

[hanm2019]

I run the ./AppPowerMeter sleep 5 return read_msr():pread: Input/output error

the /dev/cpu/0 is :

xitongzu@xitongzu:/dev/cpu/0$ ll
total 0
drwxr-xr-x  2 root root     60 7月   6 22:46 ./
drwxr-xr-x 34 root root    700 7月   6 22:46 ../
crw----rw-  1 root root 202, 0 7月   6 22:46 msr

[ivanfv]

Hi,

Not sure if this helps, but I found the same issue when using an old CPU (Intel Core2 Q9400) but the tool works properly with a newer one (e.g., Intel i7-8700).

Ivan

[gudiandian]

I am have the same problem. I am using Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz CPU. Have you solved the problem?

[hanm2019]

I am have the same problem. I am using Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz CPU. Have you solved the problem?

Unfortunately, I do not solved this problem :(

[ehgus607]

I am have the same problem. I am using Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz CPU. Have you solved the problem?

Unfortunately, I do not solved this problem :(

I also had the same issue. As a result of debugging, this error occurred when trying to access a domain not supported by the Xeon CPU. In my case, I solved it by setting the pp1_supported variable to 0. Modify the provided code to measure only the domains you want.