merge_dist 72 tools/perf/builtin-timechart.c merge_dist; merge_dist 823 tools/perf/builtin-timechart.c prev->end_time + tchart->merge_dist >= sample->start_time) { merge_dist 1928 tools/perf/builtin-timechart.c .merge_dist = 1000, merge_dist 1958 tools/perf/builtin-timechart.c OPT_CALLBACK(0, "io-merge-dist", &tchart.merge_dist, "time",