return error if cpufreq's are empty

Open binjip978 opened this issue 4 years ago • 1 comments

Signed-off-by: Sergei Semenchuk [email protected]

Dec 11 '21 09:12 binjip978

fixes https://github.com/prometheus/node_exporter/issues/2198 when collector successful but empty

Dec 11 '21 10:12 binjip978