@@ -30,6 +30,6 @@ QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no"
QB_NETWORK_DEVICE = "-device virtio-net-device,netdev=net0,mac=@MAC@"
QB_ROOTFS_OPT = "-drive id=disk0,file=@ROOTFS@,if=none,format=raw -device virtio-blk-device,drive=disk0"
QB_SERIAL_OPT = "-device virtio-serial-pci -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
-QB_TCPSERIAL_OPT = " -device virtio-serial-pci -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
+QB_TCPSERIAL_OPT = " -device virtio-serial-pci -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1,nodelay=on -device virtconsole,chardev=virtcon"
# Add the 'virtio-rng-pci' device otherwise the guest may run out of entropy
QB_OPT_APPEND = " -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-device,rng=rng0"
@@ -33,6 +33,6 @@ QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no"
QB_NETWORK_DEVICE = "-device virtio-net-device,netdev=net0,mac=@MAC@"
QB_ROOTFS_OPT = "-drive id=disk0,file=@ROOTFS@,if=none,format=raw -device virtio-blk-device,drive=disk0"
QB_SERIAL_OPT = "-device virtio-serial-device -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
-QB_TCPSERIAL_OPT = " -device virtio-serial-device -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
+QB_TCPSERIAL_OPT = " -device virtio-serial-device -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1,nodelay=on -device virtconsole,chardev=virtcon"
QB_GRAPHICS = "-device bochs-display"
QB_OPT_APPEND = "-device virtio-tablet-pci -device virtio-keyboard-pci"
@@ -26,6 +26,6 @@ QB_NETWORK_DEVICE = "-device virtio-net-device,netdev=net0,mac=@MAC@"
QB_ROOTFS_OPT = "-drive id=disk0,file=@ROOTFS@,if=none,format=raw -device virtio-blk-device,drive=disk0"
# Virtio serial console
QB_SERIAL_OPT = "-device virtio-serial-device -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
-QB_TCPSERIAL_OPT = "-device virtio-serial-device -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
+QB_TCPSERIAL_OPT = "-device virtio-serial-device -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1,nodelay=on -device virtconsole,chardev=virtcon"
KMACHINE:qemuarm = "qemuarma15"
@@ -27,4 +27,4 @@ QB_NETWORK_DEVICE = "-device virtio-net-pci,netdev=net0,mac=@MAC@"
QB_ROOTFS_OPT = "-drive id=disk0,file=@ROOTFS@,if=none,format=raw -device virtio-blk-pci,drive=disk0"
# Virtio serial console
QB_SERIAL_OPT = "-device virtio-serial-pci -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
-QB_TCPSERIAL_OPT = "-device virtio-serial-pci -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
+QB_TCPSERIAL_OPT = "-device virtio-serial-pci -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1,nodelay=on -device virtconsole,chardev=virtcon"
@@ -97,6 +97,7 @@ class QemuRunner:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setblocking(0)
+ sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
sock.bind(("127.0.0.1",0))
sock.listen(2)
port = sock.getsockname()[1]
@@ -842,11 +842,11 @@ to your build configuration.
if self.get('QB_TCPSERIAL_OPT'):
self.qemu_opt_script += ' ' + self.get('QB_TCPSERIAL_OPT').replace('@PORT@', port)
else:
- self.qemu_opt_script += ' -serial tcp:127.0.0.1:%s' % port
+ self.qemu_opt_script += ' -serial tcp:127.0.0.1:%s,nodelay=on' % port
if len(ports) > 1:
for port in ports[1:]:
- self.qemu_opt_script += ' -serial tcp:127.0.0.1:%s' % port
+ self.qemu_opt_script += ' -serial tcp:127.0.0.1:%s,nodelay=on' % port
def check_and_set(self):
"""Check configs sanity and set when needed"""
This disables Nagle's algorithm for our tcp serial connections which may be causing data transfer issues. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> --- meta/conf/machine/include/loongarch/qemuloongarch.inc | 2 +- meta/conf/machine/include/riscv/qemuriscv.inc | 2 +- meta/conf/machine/qemuarm.conf | 2 +- meta/conf/machine/qemuarm64.conf | 2 +- meta/lib/oeqa/utils/qemurunner.py | 1 + scripts/runqemu | 4 ++-- 6 files changed, 7 insertions(+), 6 deletions(-)