229 		 * every aio write request started in record__aio_push() so  in record__aio_complete()
236 		 * aio write request may require restart with the  in record__aio_complete()
252 	struct aiocb **aiocb = md->aio.aiocb;  in record__aio_sync()
253 	struct aiocb *cblocks = md->aio.cblocks;  in record__aio_sync()
259 		for (i = 0; i < md->aio.nr_cblocks; ++i) {  in record__aio_sync()
267 				 * Started aio write is not complete yet  in record__aio_sync()
278 		while (aio_suspend((const struct aiocb **)aiocb, md->aio.nr_cblocks, &timeout)) {  in record__aio_sync()
293 	struct record_aio *aio = to;  in record__aio_pushfn()  local
296 	 * map->core.base data pointed by buf is copied into free map->aio.data[] buffer  in record__aio_pushfn()
309 	if (record__comp_enabled(aio->rec)) {  in record__aio_pushfn()
310 		size = zstd_compress(aio->rec->session, aio->data + aio->size,  in record__aio_pushfn()
311 				     mmap__mmap_len(map) - aio->size,  in record__aio_pushfn()
314 		memcpy(aio->data + aio->size, buf, size);  in record__aio_pushfn()
317 	if (!aio->size) {  in record__aio_pushfn()
319 		 * Increment map->refcount to guard map->aio.data[] buffer  in record__aio_pushfn()
321 		 * released earlier than aio write request started on  in record__aio_pushfn()
322 		 * map->aio.data[] buffer is complete.  in record__aio_pushfn()
325 		 * after started aio request completion or at record__aio_push()  in record__aio_pushfn()
331 	aio->size += size;  in record__aio_pushfn()
340 	struct record_aio aio = { .rec = rec, .size = 0 };  in record__aio_push()  local
343 	 * Call record__aio_sync() to wait till map->aio.data[] buffer  in record__aio_push()
344 	 * becomes available after previous aio write operation.  in record__aio_push()
348 	aio.data = map->aio.data[idx];  in record__aio_push()
349 	ret = perf_mmap__push(map, &aio, record__aio_pushfn);  in record__aio_push()
354 	ret = record__aio_write(&(map->aio.cblocks[idx]), trace_fd, aio.data, aio.size, *off);  in record__aio_push()
356 		*off += aio.size;  in record__aio_push()
357 		rec->bytes_written += aio.size;  in record__aio_push()
365 		 * aio write operation finishes successfully.  in record__aio_push()
2151 	if (!strcmp(var, "record.aio")) {  in perf_record_config()
2573 	OPT_CALLBACK_OPTARG(0, "aio", &record.opts,