Linux Plumbers Conference 2019

Name: Linux Plumbers Conference 2019
Start: 2019-09-09T09:00:00+01:00
End: 2019-09-11T23:05:00+01:00

9-11 September 2019

Europe/Lisbon timezone

Distribution Kernels MC

Kernel Summit Track

LPC Refereed Track

Networking Summit Track

RISC-V MC

Tracing MC

Birds of a feather (BoF)

Scheduler MC

VFIO/IOMMU/PCI MC

You, Me, and IoT MC

Open Printing MC

Testing and Fuzzing MC

Toolchains MC

Android MC

Containers and Checkpoint/Restore MC

Power Management and Thermal Control MC

Databases MC

RDMA MC

Real Time MC

BPF MC

Live Patching MC

System Boot and Security MC

	9 Sep 2019
Time	Ametista-room-I	Esmerelda-room-I&II	Floriana-room-I	Floriana-room-II	Floriana-room-III	Jade-room-I&II	Opala-room-I&II
10:00		Upstream 1st: Tools and workflows for multi kernel version juggling of short term fixes, long term support, board enablement and features with the upstream kernel Bruce Ashfield Esmerelda-room-I&II	Linux Kernel VxLan with Multicast Routing for flood handling Roopa Prabhu Floriana-room-I	oomd2 and beyond: a year of improvements Daniel Xu Floriana-room-II	Reworking of KVA allocator in Linux kernel Uladzislau Rezki Floriana-room-III	RISC-V Platform Specification Progress ATISH PATRA, Palmer Dabbelt Jade-room-I&II	drgn: Programmable Debugging Omar Sandoval Opala-room-I&II
10:20		Using Yocto to build a distro and maintain a kernel tree Sasha Levin, Senthil Rajaram Esmerelda-room-I&II
10:22							Kernel Boot Time Tracing Masami Hiramatsu Opala-room-I&II
10:25						Fixing the Linux boot process in RISC-V ATISH PATRA Jade-room-I&II
10:40		Making it easier for distros to package kernel source Don Zickus Esmerelda-room-I&II
10:44							Sharing PMU counters across compatible perf events David Carrillo Cisneros, Song Liu Opala-room-I&II
10:45			BPF packet capture helpers, libbpf interfaces Alan Maguire Floriana-room-I	Core Scheduling: Taming Hyper-Threads to be secure Vineeth Remanan Pillai, Julien Desfossez Floriana-room-II	Touch but don’t look: Running the kernel in execute only memory Rick Edgecombe Floriana-room-III	Introduce an implementation of IOMMU in linux-riscv Han Mao, Ren Guo Jade-room-I&II
11:00		Monitoring and Stabilizing the In-Kernel ABI Matthias Maennich Esmerelda-room-I&II
11:06							A trace-cmd front end interface to ftrace histogram, triggers and synthetic events. Tzvetomir Stoyanov Opala-room-I&II
11:15						Introduce an implementation of perf trace in riscv system Guo Ren, Han Mao Jade-room-I&II
11:30			Break	Break	Break	Break	Break
12:00		KernelCI applied to distributions Guillaume Tucker Esmerelda-room-I&II	Multipath TCP Upstreaming Matthieu Baerts, Mat Martineau Floriana-room-I	Scaling performance profiling infrastructure for data centers Rohit Jnagal, Stephane Eranian, Ian Rogers Floriana-room-II	Maple Tree Liam Howlett Floriana-room-III	Early HPC uses cases for RISC V Christopher Lameter Jade-room-I&II	Unifying trace processing ecosystems with Babeltrace Jérémie Galarneau Opala-room-I&II
12:15						RISC-V hypervisor implementation Anup Patel Jade-room-I&II
12:22							libtrace - making libraries of our tracing tools Steven Rostedt Opala-room-I&II
12:30		Automatically testing distribution kernel packages Alice Ferrazzi Esmerelda-room-I&II
12:44							bpftrace Alastair Robertson Opala-room-I&II
12:45			Programmable socket lookup with BPF Marek Majkowski, Jakub Sitnicki, Lorenz Bauer Floriana-room-I	printk: Why is it so complicated? John Ogness Floriana-room-II	The list is our process: An analysis of the kernel's email-based development process Ralf Ramsauer, Lukas Bulwahn, Wolfgang Mauerer Floriana-room-III
13:00		Distros and Syzkaller - Why bother? Esmerelda-room-I&II				Taking RISC-V to the Datacenter Keith Packard Jade-room-I&II
13:06							BPF Tracing Tools: New Observability for Performance Analysis Brendan Gregg Opala-room-I&II
13:15						RISCV NOMMU/M-Mode Linux Damien Le Moal Jade-room-I&II
13:30
15:00	Kernel Debugging Tools George Wilson, Omar Sandoval, Serapheim Dimitropoulos Ametista-room-I	Core scheduling Vineeth Remanan Pillai, Hugo Reis, Jan Schönherr, Aubrey Li Esmerelda-room-I&II	XDP bulk packet processing Maciej Fijałkowski Floriana-room-I	What does remote attestation buy you? Matthew Garrett Floriana-room-II	Upstream Graphics: Too little, too late Daniel Vetter Floriana-room-III	Greybus for IoT Alexandre Bailon Jade-room-I&II	User interfaces for per-group default domain type Baolu Lu Opala-room-I&II
15:25						Greybus for IoT Alexandre Bailon Jade-room-I&II	VFIO/IOMMU/PCI speaker change
15:30						Over the Air (OTA) Updates: State of the Union? Democratize? Malini Bhandaru Jade-room-I&II	Status of Dual Stage SMMUv3 integration Eric Auger Opala-room-I&II
15:45	Wayland Hans de Goede Ametista-room-I	Proxy Execution Juri Lelli Esmerelda-room-I&II	LAG and hardware offload to support RDMA and IO virtualized interfaces Anjali Singhai Jain, Piotr Uminski, Vivek Kashyap Floriana-room-I	Linux kernel fastboot on the way Feng Tang Floriana-room-II	Deep Argument Inspection and Seccomp Christian Brauner Floriana-room-III
15:55		Proxy Execution Juri Lelli Esmerelda-room-I&II					VFIO/IOMMU/PCI speaker change
16:00		Making SCHED_DEADLINE safe for kernel kthreads Paul McKenney Esmerelda-room-I&II				Implementing LoRa, FSK and further LPWAN interfaces Andreas Färber Jade-room-I&II	PASID Management in Linux Pan Jacob Opala-room-I&II
16:25							VFIO/IOMMU/PCI speaker change
16:30	Break	Break	Break	Break	Break	Break	Architecture considerations for vfio/iommu handling Cornelia Huck Opala-room-I&II
16:45	Break	Break	Break	Break	Break	Break	VFIO/IOMMU/PCI main break
17:00	Having one, unified eBPF network packet filter, no more, no less. Ametista-room-I	CFS load balance rework Vincent Guittot Esmerelda-room-I&II	netfilter hardware offloads Pablo Neira Floriana-room-I	Red Hat joins CI party, brings cookies Veronika Kabatova, Nikolai Kondrashov Floriana-room-II	Inline Encryption Support Satya Tangirala Floriana-room-III	IoT from the point of view of view of a generic and enterprise distribution Peter Robinson Jade-room-I&II	VFIO/IOMMU/PCI main break
17:05							Optional or reduced PCI BARs Jonathan Derrick Opala-room-I&II
17:30		flattening the hierarchy discussion Rik van Riel Esmerelda-room-I&II				The ieee802154 and 6lowpan Kernel Subsystems Stefan Schmidt Jade-room-I&II	VFIO/IOMMU/PCI speaker change
17:35							PCI Resources assignment policies Benjamin Herrenschmidt Opala-room-I&II
17:45	Upstream kernel CI Guillaume Tucker Ametista-room-I	Scheduler domains and cache bandwidth Valentin Schneider Esmerelda-room-I&II	SwitchDev offload optimizations Allan Nielsen Floriana-room-I	Challenges of the RDMA subsystem Jason Gunthorpe Floriana-room-II
18:00		TurboSched: Core capacity Computation and other challenges Parth Shah Esmerelda-room-I&II				Using Greybus, mikroBus and PocketBeagle to consolidate kernel IoT sensor/actuator development Drew Fustini, Jason Kridner Jade-room-I&II	VFIO/IOMMU/PCI speaker change
18:05							Implementing NTB controller using PCIe endpoint Kishon Vijay Abraham I Opala-room-I&II
18:15		Task latency-nice Subhra Mazumdar Esmerelda-room-I&II
18:20							VFIO/IOMMU/PCI speaker change
18:25							Use IOMMU to prevent DMA attacks from Thunderbolt devices Baolu Lu Opala-room-I&II
18:30					TAB Elections Floriana-room-III
	10 Sep 2019
Time	Ametista-room-I	Esmerelda-room-I&II	Floriana-room-I	Floriana-room-II	Floriana-room-III	Jade-room-I&II	Opala-room-I&II
10:00		kernelCI: testing a broad variety of hardware Kevin Hilman, Guillaume Tucker Esmerelda-room-I&II	XDP: the Distro View Jesper Dangaard Brouer, Toke Høiland-Jørgensen, Jiri Benc Floriana-room-I	BPF is eating the world, don't you see? Arnaldo Carvalho de Melo Floriana-room-II	Memory management bits in arch/* Mike Rapoport Floriana-room-III	Analyzing changes to the binary interface exposed by the Kernel to its modules Dodji Seketeli Jade-room-I&II	Printing in Linux as of today Till Kamppeter, Aveek Basu Opala-room-I&II
10:20							Common Print Dialog Backends Till Kamppeter, Rithvik Patibandla Opala-room-I&II
10:30						Wrapping system calls in glibc Dmitry Levin, Florian Weimer, Maciej W. Rozycki Jade-room-I&II
10:35		Dealing with complex test suites Guillaume Tucker Esmerelda-room-I&II
10:45	Improving Buffered I/O Ametista-room-I			Maintaining out of tree patches over the long term Daniel Wagner, Daniel Bristot de Oliveira, Steven Rostedt, Tom Zanussi, John Kacur Floriana-room-II	replacing mmap_sem with finer grained locks Michel Lespinasse Floriana-room-III
10:50							Working with SANE to make IPP scanning a reality Aveek Basu Opala-room-I&II
10:55		GWP-ASAN Dmitry Vyukov Esmerelda-room-I&II
11:00		GWP-ASAN Dmitry Vyukov Esmerelda-room-I&II				Security feature parity between GCC and Clang Kees Cook Jade-room-I&II
11:15		Fighting uninitialized memory in the kernel Alexander Potapenko Esmerelda-room-I&II
11:30	Break	Break	Break	Break	Break	AM Break	Break
12:00	Linux Perf advancements for compute intensive and server systems Alexey Budankov Ametista-room-I	syzbot: update and open problems Dmitry Vyukov Esmerelda-room-I&II	Life at a Networking Vendor -- Keeping up with the Joneses Andy Gospodarek Floriana-room-I	Integration of PM-runtime with System-wide Power Management Rafael Wysocki Floriana-room-II	Killing the mmap_sem's contention Laurent Dufour, Jérôme Glisse Floriana-room-III	Update on the LLVM port of the Linux Kernel Behan Webster Jade-room-I&II	Printer/Scanner Applications - The new format for printer and scanner drivers Till Kamppeter Opala-room-I&II
12:20		Collaboration/unification around unit testing frameworks Knut Omang Esmerelda-room-I&II
12:30						Compact C Type Format Support in the GNU toolchain Indu Bhagat, Nick Alcock Jade-room-I&II	The Future of Printer Setup Tools - IPP Driverless Printing and IPP System Service Till Kamppeter Opala-room-I&II
12:45	Tracing MC follow-up BoF Ametista-room-I		Future ipv4 unicast extensions Dave Täht Floriana-room-I	Kernel Address Space Isolation James Bottomley, Mike Rapoport, Joel Nider, Alexandre Chartre Floriana-room-II
12:50		All about Kselftest Shuah Khan, Anders Roxell, Dan Rue Esmerelda-room-I&II
13:00						eBPF support in the GNU Toolchain Jose E. Marchesi Jade-room-I&II	3D Printing without the use of any slicer. Aveek Basu Opala-room-I&II
13:30
15:00	Linux in Safety Critical Systems Kate Stewart, Lukas Bulwahn Ametista-room-I	Multiple thermal zones representation Daniel Lezcano Esmerelda-room-I&II	Making the Kubernetes Service Abstraction Scale using eBPF Borkmann Daniel, Pumputis Martynas Floriana-room-I	Enabling TPM based system security features Andreas Fuchs Floriana-room-II	Tracing Data Access Pattern with Bounded Overhead and Best-effort Accuracy SeongJae Park Floriana-room-III	Opening session Stéphane Graber Jade-room-I&II	Generic Kernel Image (GKI) progress Sandeep Patil Opala-room-I&II
15:10						CRIU and the PID dance Adrian Reber Jade-room-I&II
15:15							Monitoring and Stabilizing the In-Kernel ABI Matthias Männich Opala-room-I&II
15:25		Performance guarantees under thermal pressure Morten Rasmussen Esmerelda-room-I&II
15:30						Address Space Isolation for Container Security James Bottomley, Mike Rapoport Jade-room-I&II	Solving issues associated with modules and supplier-consumer dependencies Saravana Kannan Opala-room-I&II
15:45	Formal Methods for the Linux Kernel Catalin Marinas Ametista-room-I		Making Networking Queues a First Class Citizen in the Kernel Björn Töpel, Jesper Dangaard Brouer, Magnus Karlsson, Toke Höiland-Jörgensen, Maxim Mikityanskiy, Jakub Kicinski Floriana-room-I	Utilizing tools made for "Big Data" to analyse Ftrace data - making it fast and easy Yordan Karadzhov Floriana-room-II	Interrupt Message Store: A scalable interrupt mechanism for the cloud Megha Dey Floriana-room-III	Seccomp Syscall Interception Christian Brauner Jade-room-I&II	Android Virtualization (esp. Camera, DRM) Alistair Delva Opala-room-I&II
15:50		Task-centric thermal management Morten Rasmussen Esmerelda-room-I&II
16:00						Update on Task Migration at Google Using CRIU Kamil Yurtsever Jade-room-I&II	libcamera: Unifying camera support on all Linux systems Laurent Pinchart Opala-room-I&II
16:15		Improving producer-consumer type workload performance Srinivas Pandruvada Esmerelda-room-I&II					Emulated storage features (eg sdcardfs) Daniel Rosenberg Opala-room-I&II
16:30	Break		Break	Break	Break	Break	Break
16:40		Break				Break
16:45		Break				Secure Image-less Container Migration Martin Kollingbaum, Radostin Stoyanov Jade-room-I&II
17:00	Persistent Memory as Memory Jonathan Adams Ametista-room-I	Device power management based on platform firmware Sudeep Holla Esmerelda-room-I&II	Seamless transparent encryption with BPF and Cilium John Fastabend Floriana-room-I	CPU controller on a single runqueue Rik van Riel Floriana-room-II	Kernel documentation Jonathan Corbet Floriana-room-III	Using the new mount API with containers David Howells Jade-room-I&II	Eliminating WrapFS hackery in Android with ExtFUSE (eBPF/FUSE) Opala-room-I&II
17:15							How we're using ebpf in Android networking Opala-room-I&II
17:25		Taking suspend/resume validation to the next level Len Brown Esmerelda-room-I&II
17:30						Can we agree on what needs to happen to get shiftfs upstream James Bottomley, Seth Forshee, Christian Brauner Jade-room-I&II	Linaro Kernel Functional Testing (LKFT): functional testing of android common kernels Tom Gall Opala-room-I&II
17:45	Civil communication in practice: What does it mean to you as an open source developer? Bram Adams, Shuah Khan, Kate Stewart, Daniel German, Isabella Ferreira Ametista-room-I		Ethernet Cable Diagnostic using Netlink Ethtool API Andrew Lunn Floriana-room-I	Formal verification made easy (and fast)! Daniel Bristot de Oliveira Floriana-room-II			Handling memory pressure on Android Suren Baghdasaryan Opala-room-I&II
17:50		C-state latency measurement infrastructure Artem Bityutskiy Esmerelda-room-I&II
18:00						Securing Container Runtimes with openat2 and libpathrs Aleksa Sarai Jade-room-I&II	DMABUF Developments Sumit Semwal, John Stultz (in absentia) Opala-room-I&II
18:15		CPU Idle Time Management Improvements Rafael Wysocki Esmerelda-room-I&II					DRM/KMS for Android, adoption and upstreaming Alistair Delva Opala-room-I&II
18:30						Break	scheduler: uclamp usage on Android Suren Baghdasaryan Opala-room-I&II
18:40		Break				Using kernel keyrings with containers David Howells Jade-room-I&II
19:00		Power Management and Thermal Control BoF Sessions Esmerelda-room-I&II
19:10						Cgroup v1/v2 Abstraction Layer Tom Hromatka Jade-room-I&II
19:30						CRIU: Reworking vDSO proxification, syscall restart Andrei Vagin, Dmitry Safonov Jade-room-I&II
19:50						Closing session Stéphane Graber Jade-room-I&II
	11 Sep 2019
Time	Ametista-room-I	Esmerelda-room-I&II	Floriana-room-I	Floriana-room-II	Floriana-room-III	Jade-room-I&II	Opala-room-I&II
10:00	Csky Intro - what's the meaning of a new arch for linux Han Mao, Guo Ren Ametista-room-I	Core Scheduling for RT Peter Zijlstra Esmerelda-room-I&II	Scaling container policy management with kernel features Joe Stringer Floriana-room-I	Finding more DRAM Suren Baghdasaryan, Shakeel Butt, Yu Zhao Floriana-room-II	Moving the Linux ABI to userspace Dave Martin Floriana-room-III	Open Session Daniel Black Jade-room-I&II	GUP and ZONE_DEVICE pages Don Dutile, John Hubbard, Jason Gunthorpe Opala-room-I&II
10:05						io_uring - excitement - looking for feedback & potential issues Dimitri KRAVTCHUK Jade-room-I&II
10:20						disk write barriers Sergei Golubchik Jade-room-I&II
10:30		RCU configuration, operation, and upcoming changes for real-time workloads Paul McKenney Esmerelda-room-I&II				disk write barriers Sergei Golubchik Jade-room-I&II
10:40						Filesystem atomic writes / O_ATOMIC Dimitri KRAVTCHUK Jade-room-I&II
10:45	New hardware with modern I2C address conflicts Wolfram Sang Ametista-room-I		Traffic footprint characterization of workloads using BPF Aditi Ghag Floriana-room-I	Linux Gen-Z Sub-system Jim Hull, Betty Dall, Keith Packard Floriana-room-II	KUnit - Unit Testing for the Linux Kernel Brendan Higgins Floriana-room-III
10:55						MySQL @EXT4 performance impacts with latest Linux kernels Dimitri KRAVTCHUK Jade-room-I&II
11:00		Real-Time Container Tiejun Chen Esmerelda-room-I&II					RDMA, File Systems, and DAX Ira Weiny Opala-room-I&II
11:01		Mathematizing the latency Daniel Bristot de Oliveira Esmerelda-room-I&II
11:15						MySQL @XFS Dimitri KRAVTCHUK Jade-room-I&II
11:30	Ametista		Floriana I	Floriana II	Floriana III	Jade	Opala
12:00	Application-specific accelerators Olof Johansson Ametista-room-I	Real time softirq mainlining Frederic Weisbecker Esmerelda-room-I&II	Improving Route Scalability with Nexthop Objects David Ahern Floriana-room-I	pidfds: Process file descriptors on Linux Christian Brauner Floriana-room-II	Reflections on kernel quality, development process and testing Dmitry Vyukov Floriana-room-III	What SQLite Devs Wish Linux Filesystem Devs Knew About SQLite Richard Hipp Jade-room-I&II	Discussion about IBNBD/IBTRS Upstreaming: Action Items. Jinpu Wang, Danil Kipnis Opala-room-I&II
12:07						IO: Durability, Errors and Documentation Tomas Vondra, Andres Freund Jade-room-I&II
12:27						Time series of thread profiles in production Josef Ahmad Jade-room-I&II
12:30		Full dynticks / isolation for Real Time Frederic Weisbecker Esmerelda-room-I&II					Shared IB Objects Yuval Shaia Opala-room-I&II
12:42						New InnoDB REDO log design and MT sync challenges Pawel OLCHAWA Jade-room-I&II
12:45	PCI microconference follow-up Ametista-room-I		An Evaluation of Host Bandwidth Manager Lawrence Brakmo Floriana-room-I	Malloc for everyone and beyond NUMA Jerome Glisse Floriana-room-II	Discussions on kselftest Shuah Kahn Floriana-room-III
12:57						IP port -vs- UNIX socket difference on - IP stack is 20-30% slower on MySQL Dimitri KRAVTCHUK Jade-room-I&II
13:00		PREEMPT_RT: status and Q&A Thomas Gleixner Esmerelda-room-I&II					Improving RDMA performance through the use of contiguous memory and larger pages for files. Christopher Lameter Opala-room-I&II
13:12						Syscall overhead from Spectre/Meltdown fixes Dimitri KRAVTCHUK Jade-room-I&II
13:22						Conclusion Daniel Black Jade-room-I&II
13:30
15:00	RCU internals and usage Paul McKenney Ametista-room-I	Bringing BPF developer experience to the next level Andrii Nakryiko Esmerelda-room-I&II		Efficient Userspace Optimistic Spinning Locks Waiman Long Floriana-room-II	Decoupling ZRAM from a specific backend Vitaly Wool Floriana-room-III	Secure and Trusted boot in OpenBMC Joel Stanley Jade-room-I&II	What happened in kernel live patching over the last year Miroslav Beneš Opala-room-I&II
15:10							Rethinking late module patching Miroslav Beneš Opala-room-I&II
15:20						UEFI and TianoCore update Leif Lindholm Jade-room-I&II
15:23		BPF Debugging Yonghong Song Esmerelda-room-I&II				UEFI and TianoCore update Leif Lindholm Jade-room-I&II
15:40		BPF Debugging Yonghong Song Esmerelda-room-I&II				SGX upstreaming status and challenges Jarkko Sakkinen Jade-room-I&II	Source-based livepatch creation tooling Nicolai Stange Opala-room-I&II
15:45	Soft Affinity Subhra Mazumdar Ametista-room-I	A pure Go BPF library Martynas Pumputis, Lorenz Bauer, Joe Stringer Esmerelda-room-I&II
16:05						TrenchBoot - how to nicely boot system with Intel TXT and AMD SVM Daniel Kiper Jade-room-I&II
16:07		Do we need CAP_BPF_ADMIN? Song Liu Esmerelda-room-I&II
16:10							Update on objtool - Power Kamalesh Babulal Opala-room-I&II
16:20							Do we need a Livepatch Developers Guide? Joe Lawrence Opala-room-I&II
16:30	Break	Break		Break	Break	Break	Break
17:00		Reuse host JIT back-end as offload back-end JIONG WANG Esmerelda-room-I&II				TPM2 Security in the face of bus interposers James Bottomley Jade-room-I&II	API for state changes made by callbacks Petr Mládek Opala-room-I&II
17:20		Using SCEV to establish pre and post-conditions over BPF code John Fastabend Esmerelda-room-I&II				reference Integrity measurements for TPM2 security policy Philip Tricca Jade-room-I&II
17:30							klp-convert and livepatch relocations Joe Lawrence Opala-room-I&II
17:40		Beyond per-CPU atomics and rseq syscall: subset of eBPF bytecode for the do_on_cpu syscall Mathieu Desnoyers Esmerelda-room-I&II				Non-UEFI-aware measured boot using coreboot, GRUB and TPM2.0 Żygowski Michał, Piotr Król Jade-room-I&II
18:00		Kernel Runtime Security Instrumentation (KRSI) KP Singh Esmerelda-room-I&II					Making Livepatching Infrastructure Better Kamalesh Babulal Opala-room-I&II
18:05						TPM 2.0 Linux sysfs interface Żygowski Michał, Król Piotr Jade-room-I&II
18:15							Live patch services Alice Ferrazzi Opala-room-I&II
18:20		Map batch processing Yonghong Song Esmerelda-room-I&II					Live patch services Alice Ferrazzi Opala-room-I&II
18:45			Closing Plenary (Floriana I/II/III) Floriana-room-I
19:30			Bus service for Evening Party Floriana-room-I
20:00			Closing Party @ Centro Cultural de Belém (CCB) Floriana-room-I
22:55			Last Bus service - 11PM Floriana-room-I

Linux Plumbers Conference 2019

9 Sep 2019

10 Sep 2019

11 Sep 2019

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