perf_event__fprintf_switch  431 tools/perf/util/event.c 		ret += perf_event__fprintf_switch(event, fp);
perf_event__fprintf_switch  369 tools/perf/util/event.h size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
perf_event__fprintf_switch  713 tools/perf/util/machine.c 		perf_event__fprintf_switch(event, stdout);