[PATCH v5 0/6] perf tools: Add 'perf-config' command

So far, it is difficult that the state of perf configs is looked through and there's no knowing what kind of other variables except variables in perfconfig.example. Also perf configs can't be changed without manually modifying $HOME/.perfconfig or $(sysconfdir)/perfconfig file. So I suggest this

[PATCH v5 0/6] perf tools: Add 'perf-config' command

So far, it is difficult that the state of perf configs is looked through and there's no knowing what kind of other variables except variables in perfconfig.example. Also perf configs can't be changed without manually modifying $HOME/.perfconfig or $(sysconfdir)/perfconfig file. So I suggest this