evlist__new_default
struct evlist *def_evlist = evlist__new_default(&rec->opts.target,
struct evlist *def_evlist = evlist__new_default(target, callchain_param.enabled);
struct evlist *evlist = evlist__new_default(&target, /*sample_callchains=*/false);
struct evlist *evlist = evlist__new_default(&target, /*sample_callchains=*/false);
evlist = evlist__new_default(&target, /*sample_callchains=*/false);
session->evlist = evlist__new_default(&target, /*sample_callchains=*/false);
struct evlist *evlist__new_default(const struct target *target, bool sample_callchains);