Hi, On 29 August 2017 at 19:23, Dai Xiang <xiangx....@intel.com> wrote: > Hi! > > I test with below two cpu to test: > - Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz > - Intel(R) Atom(TM) CPU S1240 @ 1.60GHz > > With below action: > make -C cpuidle cpuidle_killer > make -C cputopology run_tests > > Both cpu fail with cputopology_04: > cputopology_04.0: no cpus directory present... > skip > > cputopology_04: skip > > I check the code: > if ! [ -d /sys/firmware/devicetree/base/cpus ]; then > log_skip "no cpus directory present" > return > fi > > But i do not really know what this dir mean and do not get detail info > fron google. > > Is that only enable on specified type of cpu? or i miss some config > about it?
The /sys/firmware/devicetree/base directory shows the device tree structure on ARM, for example, but device tree isn't supported on x86 that I am aware of. > Thanks > > Xiang > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > https://lists.linaro.org/mailman/listinfo/linaro-dev _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org https://lists.linaro.org/mailman/listinfo/linaro-dev