perf_record_switch 374 tools/perf/lib/include/perf/event.h struct perf_record_switch context_switch; perf_record_switch 444 tools/perf/util/python.c member_def(perf_record_switch, next_prev_pid, T_UINT, "next/prev pid"), perf_record_switch 445 tools/perf/util/python.c member_def(perf_record_switch, next_prev_tid, T_UINT, "next/prev tid"),