[PATCH 06/16] perf evlist: Add perf_evlist__recalc_nr_groups

From: Namhyung Kim During the event parsing, perf_evlist can have leader-only groups which has nr_members as 1. Since they has no difference than a normal non-group event don't count them as a event group. Add perf_evlist__recalc_nr_groups to count actual group numbers. Cc: Jiri Olsa Cc:

[PATCH 06/16] perf evlist: Add perf_evlist__recalc_nr_groups

From: Namhyung Kim namhyung@lge.com During the event parsing, perf_evlist can have leader-only groups which has nr_members as 1. Since they has no difference than a normal non-group event don't count them as a event group. Add perf_evlist__recalc_nr_groups to count actual group numbers.