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 Lukas Bulwahn, Ralf Ramsauer, 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 Serapheim Dimitropoulos, George Wilson, Omar Sandoval Ametista/room-I	Core scheduling Jan Schönherr, Hugo Reis, Vineeth Remanan Pillai, 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 Piotr Uminski, Anjali Singhai Jain, 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 Jason Kridner, Drew Fustini 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 Guillaume Tucker, Kevin Hilman 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, Maciej W. Rozycki, Florian Weimer 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 Nick Alcock, Indu Bhagat 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 Anders Roxell, Dan Rue, Shuah Khan 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 Pumputis Martynas, Borkmann Daniel 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 Mike Rapoport, James Bottomley 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 Toke Höiland-Jörgensen, Jesper Dangaard Brouer, Björn Töpel, Jakub Kicinski, Maxim Mikityanskiy, Magnus Karlsson 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? Daniel German, Shuah Khan, Kate Stewart, Bram Adams, 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
18:45		Break					ARM v8.5 Memory Tagging Extension Vincenzo Frascino Opala/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 / UNIX Socket Backlog 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						Regressions due CPU cache issues and missed visibility in Linux/kernel instrumentation Pawel OLCHAWA 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 Lorenz Bauer, Martynas Pumputis, 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 Piotr Król, Żygowski Michał 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 Król Piotr, Żygowski Michał 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