diff --git a/tests/benchmark/src/native/io_vsock.cpp b/tests/benchmark/src/native/io_vsock.cpp
index 8edc7c8..b1a4c96 100644
--- a/tests/benchmark/src/native/io_vsock.cpp
+++ b/tests/benchmark/src/native/io_vsock.cpp
@@ -59,15 +59,25 @@
     }
     LOG(INFO) << "VM:Connection from CID " << client_sa.svm_cid << " on port "
               << client_sa.svm_port;
-    std::string data;
-    if (!ReadFdToString(client_fd, &data)) {
-        return Error() << "Cannot get data from the host.";
+
+    ssize_t total = 0;
+    char buf[4096];
+    for (;;) {
+        ssize_t n = TEMP_FAILURE_RETRY(read(client_fd.get(), buf, sizeof(buf)));
+        if (n < 0) {
+            return Error() << "Cannot get data from the host.";
+        }
+        if (n == 0) {
+            break;
+        }
+        total += n;
     }
-    if (data.length() != num_bytes_to_receive) {
-        return Error() << "Received data length(" << data.length() << ") is not equal to "
+
+    if (total != num_bytes_to_receive) {
+        return Error() << "Received data length(" << total << ") is not equal to "
                        << num_bytes_to_receive;
     }
     LOG(INFO) << "VM:Finished reading data.";
     return {};
 }
-} // namespace io_vsock
\ No newline at end of file
+} // namespace io_vsock