PERF_AUX_FLAG_OVERWRITE
if (WARN_ON_ONCE(flags & PERF_AUX_FLAG_OVERWRITE))
handle->aux_flags |= PERF_AUX_FLAG_OVERWRITE;
handle->aux_flags &= ~PERF_AUX_FLAG_OVERWRITE;
if (size || (handle->aux_flags & ~(u64)PERF_AUX_FLAG_OVERWRITE))
if (aux_event->flags & PERF_AUX_FLAG_OVERWRITE) {
event->aux.flags & PERF_AUX_FLAG_OVERWRITE ? "O" : "",