Source: linux Version: 4.14.2-1~exp1 Dear maintainer,
Please consider setting CONFIG_FUNCTION_PROFILER=y for perf-tools' cachestat and funccount: # apt-get install --no-install-recommends perf-tools-unstable ... # cachestat-perf Counting cache functions... Output every 1 seconds. /usr/sbin/cachestat-perf: line 115: function_profile_enabled: Permission denied ERROR: enabling function profiling. Have CONFIG_FUNCTION_PROFILER? Exiting. # funccount-perf 'vfs*' Tracing "vfs*"... Ctrl-C to end. /usr/sbin/funccount-perf: line 114: function_profile_enabled: Permission denied ERROR: enabling function profiling. Have CONFIG_FUNCTION_PROFILER? Exiting. Best regards, Ivan