Friday, November 18, 2022

LWN article on "Accessing QEMU storage features without a VM"

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At KVM Forum 2022 Kevin Wolf and Stefano Garzarella gave a talk on qemu-storage-daemon, a way to get QEMU's storage functionality withou...
Thursday, November 10, 2022

Using qemu-img to access vhost-user-blk storage

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vhost-user-blk is a high-performance storage protocol that connects virtual machines to software-defined storage like SPDK or qemu-storage-...
Thursday, June 30, 2022

Comparing VIRTIO, NVMe, and io_uring queue designs

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Queues and their implementation using shared memory ring buffers are a standard tool for communicating with I/O devices and between CPUs. ...
Friday, April 29, 2022

Debugging Flatpak applications

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Flatpak is a way to distribute applications on Linux. Its container-style approach allows applications to run across Linux distribu...
Monday, March 7, 2022

vhost-user is coming to non-Linux hosts!

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Sergio Lopez sent a QEMU patch series and vhost-user protocol specification update that maps vhost-user to non-Linux POSIX host operating s...
Friday, February 4, 2022

Speaking at FOSDEM '22 about "What's coming in VIRTIO 1.2"

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I will give a talk titled What's coming in VIRTIO 1.2: New virtual I/O devices and features on Saturday, February 5th 2022 at 10:00 CET...
Wednesday, December 8, 2021

How to add debuginfo to perf(1)

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Sometimes it's necessary to add debuginfo so perf-report(1) and similar commands can display human-readable function names instead of ra...