Linux Plumbers Conf 2011

Tracing the Guest from the Host, a discussion (slides)

The Unified Buffer Management microconference will use a free-form agenda, with time blocked out as shown below

Folproof filesystem freeze API for user space daemons and guest agents. (slides)

Extending CPU accounting stats

Alternative LXC user-space implementation

Container enter functionality

An in-container view of /proc fs

Container in a file (loopback-like block device)

Checkpoint/restart in the userspace (slides)

Proposed improvements to cgroups memory controller

Add dcache accounting/limiting to the kernel

Linker, compiler, runtime linker and the kernel can be improved to start applications significantly faster

OpenGL (and friends) in the Future: A notional view of what may happen in the land of graphics APIs. (slides)

ARM platform and cross-distribution standardization

VFIO allows exporting PCI devices to userspace drivers. Discussion of using this interface for assigning physical devices to virtual machines and obstacles remaining for integration. (slides)

Scalability problems in/caused by fork (slides)

Efficient utilization by overcommitment.

Using hierarchical cgroups to manage shared resources.

How can we optimise the power management of an entire system? (slides)

Presentation of the Userspace RCU library features. (slides)

Presentation of the new LTTng 2.0 kernel and userspace tracer.

Kernel cgroups are not sufficient for our containment needs. (slides)

A discussion of implementation and performance issues for persistent data storage in KVM-based clouds

Remus is a HA system for Xen VMs that preserves complete Guest OS runtime state (including network connections) upon failover.

Yabusame is yet another live migration mechanism for Qemu/KVM, which implements the migration technique known as "postcopy" or "lazy" migration. (slides)

This presentation will introduce multi-plane HW solution and provide one software solution to make good use of multi-plane and enable translucency.

The new streaming interface proposal provides a framework in sound subsystem to support offloaded decoders and encoders

Status update and discussion on future directions for the control of DSP features on

A proposal for dynamic firewall management with network zone support.

Can the "trace" utility merge perf and ftrace. (slides)

lightning fast booting on x86 / x64 platforms

A proposal for an EFI like boot mechanism with a dracut initramfs and the linux kernel using kexec to boot other linux kernels.

systemd was first announced a year ago and has since become an integral part of various Linux distributions, including Fedora 15.

Greatly simplifying, securing, improving our traditional filesystem layout without causing major breakage

Discussion of Containers/Cgroups issues

A check-point of the Linaro-driven approach to addressing the memory management issues encountered by the ARM ecosystem. (slides)

This presentation will propose interfaces to expose DCB attributes to MPIO, virtualization, and other applications consistently regardless of underlying device type. (slides)

An overview of what is involved in making video calls and the issues typically encountered on mobile platforms. (slides)

This talk will present the features Linux is missing to comply with the current AVRCP spec, and a proposal of how to achieve fully compliance.

Adapting and extending the kernel dmaengine API for high-end dma controllers like EDMA found on Texas Instruments DaVinci devices and SDMA found on OMAP devices.

How the Folks project pulls together all your contacts and integrates them into the open source desktop and mobile platforms.

Building an efficient and maintenable API for allowing userspace to program GPU is one of the most important piece of the graphic stacks (slides)

Tracing

Ensemble is a new opensource configuration management and tool for deploying services into a cloud and data center environments

Learn how QML make developings and deploying mobile appliances easy (and fun) on Symbian and MeeGo.

You already use version control for your software, but what about your build dependencies and your system infrastructures? Come hear about Apters, our solution for reproducible builds and infrastructures. (slides)

A look at scaling issues found and addressed in the igb and ixgbe drivers, and steps we are exploring to further improve performance. (slides)

Designing for the disconnect - Enabling the Edge - some lessons in hardware, software and network design, learned in Central America, the hard way.

Embedded Linux routers are everywhere. And many are buggy.

Status update on Beating the (buffer) bloat.

The verity target provides transparent integrity checking of block devices using a cryptographic digest.

A smooth and robust loss recovery for TCP

Improving reliability of Linux device drivers against hardware failures and hardware specification bugs (slides)

Codemap is a semantic source code visualizer helping to navigate, visualize and search a large codebase using ideas similar to google maps. (slides)

A look at the problems related to latency in server workloads and solutions we are exploring to improve average and tail latencies.

Linux FedFS implementation needs help defining its user interfaces

An explanation of RCU appealing to life-experience intuitions.

An overview and update on the Patchwork patch-tracking system. (slides)

Data exchange during TCP handshake

How IM is being made easy by Telepathy, scaling from desktop to mobile devices.

In this presentation, we discuss the set of design and implementation details that play into developing a Linux-based, open-source, large scale, infrastructure level distributed system that implements a private cloud computing platform.

cloud-init

An overview of the Linux kernel scalability bottlenecks relating to signals in multithreaded apps.

Advancements in NIC hardware and functionality, as well as things like increasing core counts on systems present new opportunities for taking networking performance to next level.

Byte queue limits are a mechanism to limit NIC HW queues by number of bytes as opposed to number of packets, thus reducing buffer bloat problem caused by these queues.

An introduction to the Smatch static checker and a look at the future. (slides)

Discussion on how to automatically diagnose firmware issue that can affect Linux. (slides)

The challenges and the benefits of running Qemu in a Linux based stubdom

How does Virtio compare with traditional Xen PV drivers? (slides)

How can we reintroduce the zero-copy behaviour that was removed as part of the process of upstreaming Xen's netback driver (slides)

The Cloud Track focuses on the underlying design methodologies, development tools, and emerging best practices around Linux and Open Source in Public and Private Clouds

This is a talk about the various changes we made to PulseAudio and GStreamer to support passthrough output for compressed audio formats and how applications can make use of this.

The session will detail a design and progress towards getting a unified way to manage common features like snapshots, growth, shrinking for file systems and files.

Can TCP Congestion control help with fairness and latency (bufferbloat)?

Identifying and eliminating the effects of bufferbloat

How should thermal management for ARM devices be done within existing thermal constructs (hwmon and thermal framework)

A characteristic study on ad hoc synchronization in software systems and a tool called SyncFinder to automatically identify and annotate them. (slides)

Tools to aid in the development of Linux code

Scaling Linux, both up and down

Libferris allows local kernel filesystems, composite files like XML, relational databases and the Web (flickr etc) to be accessed as a virtual filesystem.

How the kernel can help user space make best use of hardware for multimedia acceleration.

Session lead for Virtualization micro conf

Finding and burying Configuration Defects in Linux with the undertaker (slides)

PM Development in The Linux Kernel Since August 2010 (slides)

Discussion of Linux idle power management vs other OSes (slides)

Session leader for the Storage and Filesystem MC