fluct 745 tools/perf/builtin-sched.c u64 T0, T1, delta, avg_delta, fluct; fluct 757 tools/perf/builtin-sched.c fluct = avg_delta - delta; fluct 759 tools/perf/builtin-sched.c fluct = delta - avg_delta; fluct 760 tools/perf/builtin-sched.c sched->sum_fluct += fluct;