sample_time_set 2170 tools/perf/builtin-record.c &record.opts.sample_time_set, sample_time_set 1415 tools/perf/builtin-top.c .sample_time_set = true, sample_time_set 1050 tools/perf/util/evsel.c opts->sample_time_set))) sample_time_set 27 tools/perf/util/record.h bool sample_time_set;