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e919402b9e
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Yangming e919402b9e virtio-balloon: optimize the virtio-balloon on the ARM platform 
Optimize the virtio-balloon feature on the ARM platform by adding
a variable to keep track of the current hot-plugged pc-dimm size,
instead of traversing the virtual machine's memory modules to count
the current RAM size during the balloon inflation or deflation
process. This variable can be updated only when plugging or unplugging
the device, which will result in an increase of approximately 60%
efficiency of balloon process on the ARM platform.

We tested the total amount of time required for the balloon inflation process on ARM:
inflate the balloon to 64GB of a 128GB guest under stress.
Before: 102 seconds
After: 42 seconds

Signed-off-by: Qi Xi <xiqi2@huawei.com>
Signed-off-by: Ming Yang yangming73@huawei.com
Message-Id: <e13bc78f96774bfab4576814c293aa52@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
2023-04-21 04:25:52 -04:00
..
9pfs hw/xen: Build PV backend drivers for CONFIG_XEN_BUS 2023-03-07 17:04:30 +00:00
acpi pcihp: add ACPI PCI hotplug specific is_hotpluggable_bus() callback 2023-03-07 12:39:00 -05:00
adc hw/adc: Make adci[*] R/W in NPCM7XX ADC 2022-07-18 13:20:14 +01:00
alpha Drop duplicate #include 2023-02-08 07:28:05 +01:00
arm hw/arm: do not free machine->fdt in arm_load_dtb() 2023-04-03 16:12:30 +01:00
audio hw/audio/via-ac97: Basic implementation of audio playback 2023-03-08 00:37:48 +01:00
avr Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
block hw/block: replace TABs with space 2023-03-24 11:45:46 +01:00
char hw/xen: Fix double-free in xen_console store_con_info() 2023-04-13 10:09:31 +01:00
core migration: Fix potential race on postcopy_qemufile_src 2023-04-12 21:44:38 +02:00
cpu hw/cpu: Mark arm11 and realview mpcore as target-independent code 2023-01-16 17:51:20 +01:00
cris Do not include exec/address-spaces.h if it's not really necessary 2021-05-02 17:24:51 +02:00
cxl hw/pxb-cxl: Support passthrough HDM Decoders unless overridden 2023-03-07 19:51:07 -05:00
display ui: rename cursor_{put->unref} 2023-03-13 22:57:39 +04:00
dma replace TABs with spaces 2023-03-20 12:43:50 +01:00
gpio replace TABs with spaces 2023-03-20 12:43:50 +01:00
hppa hw/isa: Rename isa_bus_irqs() -> isa_bus_register_input_irqs() 2023-02-27 22:29:02 +01:00
hyperv win32: replace closesocket() with close() wrapper 2023-03-13 15:39:31 +04:00
i2c hw/i2c/allwinner-i2c: Fix subclassing of TYPE_AW_I2C_SUN6I 2023-04-11 14:13:29 +01:00
i386 Revert "memory: Optimize replay of guest mapping" 2023-04-05 13:31:52 +01:00
ide hw/ide: replace TABs with space 2023-03-24 11:45:33 +01:00
input replace TABs with spaces 2023-03-20 12:43:50 +01:00
intc *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
ipack include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
ipmi include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
isa virtio,pc,pci: features, fixes 2023-03-10 14:31:37 +00:00
loongarch hw/loongarch/virt: Fix virt_to_phys_addr function 2023-04-04 19:29:13 +08:00
m68k *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
mem virtio-balloon: optimize the virtio-balloon on the ARM platform 2023-04-21 04:25:52 -04:00
microblaze hw/char/xilinx_uartlite: Open-code xilinx_uartlite_create() 2023-02-27 13:27:05 +00:00
mips hw/mips/itu: Pass SAAR using QOM link property 2023-03-08 00:37:48 +01:00
misc MIPS (and few misc) patches 2023-03-09 10:22:50 +00:00
net igb: respect VMVIR and VMOLR for VLAN 2023-03-28 13:10:55 +08:00
nios2 hw/nios2: set machine->fdt in nios2_load_dtb() 2022-10-17 16:15:10 -03:00
nubus hw/nubus/nubus-device: Fix memory leak in nubus_device_realize 2023-02-27 22:29:01 +01:00
nvme hw/nvme: fix memory leak in nvme_dsm 2023-04-12 12:03:09 +02:00
nvram aspeed queue: 2023-03-03 17:11:22 +00:00
openrisc *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
pci -----BEGIN PGP SIGNATURE----- 2023-03-11 17:17:18 +00:00
pci-bridge hw/pxb-cxl: Support passthrough HDM Decoders unless overridden 2023-03-07 19:51:07 -05:00
pci-host hw/mips/gt64xxx_pci: Don't endian-swap GT_PCI0_CFGADDR 2023-03-30 15:03:36 +02:00
pcmcia hw/pcmcia: Do not register PCMCIA type if not required 2021-05-02 17:24:50 +02:00
ppc *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
rdma Drop duplicate #include 2023-02-08 07:28:05 +01:00
remote Drop duplicate #include 2023-02-08 07:28:05 +01:00
riscv *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
rtc replace TABs with spaces 2023-03-20 12:43:50 +01:00
rx rx: re-randomize rng-seed on reboot 2022-10-27 11:34:31 +01:00
s390x virtio: refresh vring region cache after updating a virtqueue size 2023-04-21 03:08:21 -04:00
scsi replace TABs with spaces 2023-03-20 12:43:50 +01:00
sd replace TABs with spaces 2023-03-20 12:43:50 +01:00
sensor Do not include hw/hw.h if it is not necessary 2023-02-27 09:15:38 +01:00
sh4 hw/ide/mmio: Extract TYPE_MMIO_IDE declarations to 'hw/ide/mmio.h' 2023-02-27 22:29:02 +01:00
smbios hw/smbios: fix field corruption in type 4 table 2023-03-02 03:10:46 -05:00
sparc machine: make memory-backend a link property 2022-05-12 12:29:44 +02:00
sparc64 hw/ide: Un-inline ide_set_irq() 2023-02-27 22:29:02 +01:00
ssi hw/ssi: Fix Linux driver init issue with xilinx_spi 2023-04-03 16:12:30 +01:00
timer hw/timer/hpet: Fix expiration time overflow 2023-03-02 03:10:47 -05:00
tpm hw/tpm: Move tpm_ppi.c out of target-specific source set 2023-01-16 17:51:20 +01:00
tricore hw/tricore: fix inclusion of tricore_testboard 2021-07-20 20:10:21 +02:00
usb hw/usb/imx: Fix out of bounds access in imx_usbphy_read() 2023-03-21 13:19:07 +00:00
vfio *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
virtio virtio-balloon: optimize the virtio-balloon on the ARM platform 2023-04-21 04:25:52 -04:00
watchdog replace TABs with spaces 2023-03-20 12:43:50 +01:00
xen hw/xen: Avoid crash when backend watch fires too early 2023-03-07 17:04:30 +00:00
xenpv hw/xenpv: Initialize Xen backend operations 2023-03-24 14:52:14 +00:00
xtensa hw/xtensa: fix reset value of MIROUT register of MX PIC 2022-05-06 15:27:40 -07:00
Kconfig xen: add CONFIG_XEN_BUS and CONFIG_XEN_EMU options for Xen emulation 2023-03-01 08:22:49 +00:00
meson.build hw/loongarch: Add support loongson3 virt machine type. 2022-06-06 18:09:03 +00:00