Linux Plumbers Conference 2021

Material Package

Added Since

Include only attachments uploaded after this date

Include*

Everything

Specific sessions

Specific contributions

Specific days

Sessions*

IoThree's Company MC

RISC-V MC

Tracing MC

Kernel Dependability and Assurance MC

BOFs Session

Toolchains and Kernel MC

System Boot and Security MC

Keynote

Open Printing MC

Android MC

Real-time MC

Containers and Checkpoint/Restore MC

GNU Tools Track

GPU/media/AI buffer management and interop MC

Closing Keynote

Kernel Summit

BPF & Networking Summit

Confidential Computing MC

Testing and Fuzzing MC

LPC Refereed Track

Diversity, Equity & Inclusion MC

File Systems MC

Scheduler MC

VFIO/IOMMU/PCI MC

Performance and Scalability MC

Include materials from selected sessions

Contributions*

"cat /proc/PID/maps": What Could Possibly Go Wrong? (in session "Performance and Scalability MC")

A bug is NOT a bug is NOT a bug: Differences in bug classes, bug tracking and bug impact (in session "Kernel Dependability and Assurance MC")

A maintainable, scalable, and verifiable SW architectural design model for the Linux Kernel (in session "LPC Refereed Track")

A proof-carrying approach to building correct and flexible BPF verifiers (in session "BPF & Networking Summit")

ACPI for RISC-V (in session "RISC-V MC")

Adding features to perf using BPF (in session "LPC Refereed Track")

Adding kernel-specific test coverage to GCC's -fanalyzer option (in session "Kernel Dependability and Assurance MC")

Ahead-of-time compiled bpftrace programs (in session "BPF & Networking Summit")

Allocator attribution/metadata tagging for shared buffers (in session "Android MC")

Alternative ways to extract information about processes (in session "Containers and Checkpoint/Restore MC")

Analyzing historical DejaGNU test result data with the Bunsen toolkit (in session "GNU Tools Track")

Android BoF Intro (in session "Android MC")

Android drivers in Rust (in session "Android MC")

Android MC Introduction (in session "Android MC")

AOSP devboard collaboration (in session "Android MC")

Apps not boilerplate, leveraging Android's CHRE and Zephyr (in session "IoThree's Company MC")

Atomic file writes: Who really wants this? (in session "File Systems MC")

Attestation and Secret Injection for Confidential VMs & Containers/Pods (in session "Confidential Computing MC")

Automatically optimizing BPF programs using program synthesis (in session "BPF & Networking Summit")

Bad Storage vs. Filesystems (in session "File Systems MC")

Bare-metal testing using containerised test suites (in session "Testing and Fuzzing MC")

BoF: Offloading with OpenMP & OpenACC (in session "GNU Tools Track")

BoF: Register pressure sensitivity in the gcc middle end (in session "GNU Tools Track")

Bootconfig and kernel cmdline (in session "LPC Refereed Track")

BPF & Networking Opening Session (in session "BPF & Networking Summit")

BPF Map Tracing: Hot Updates of Stateful Programs (in session "BPF & Networking Summit")

BPF security auditing at Google (in session "BPF & Networking Summit")

BPF tracing: exploring additional debugging capabilities (in session "BPF & Networking Summit")

BPF user experience rough edges (in session "BPF & Networking Summit")

BPF-datapath extensions for Kubernetes workloads (in session "BPF & Networking Summit")

bpf: mass attachment of tracing probes (in session "BPF & Networking Summit")

bpfilter - BPF based firewall (in session "BPF & Networking Summit")

Brain storm some of the features support in Linux for PCIe (in session "VFIO/IOMMU/PCI MC")

Bringing TSO/GRO and Jumbo frames to XDP (in session "BPF & Networking Summit")

Building a fast nvme passthrough (in session "Kernel Summit")

Cgroup v1/v2 Abstraction Layer (in session "Containers and Checkpoint/Restore MC")

Challenge of selecting an idle CPU (in session "Scheduler MC")

Closing Keynote & Beverage Hall (in session "Keynote")

Closing Session (in session "Open Printing MC")

Clossing Session (in session "Containers and Checkpoint/Restore MC")

Common Print Dialog Backends (in session "Open Printing MC")

Common Test Report Database (KCIDB) (in session "Testing and Fuzzing MC")

Community Diversity + Events: Impacts and Trends (in session "Diversity, Equity & Inclusion MC")

Compact NUMA-aware Locks (in session "Performance and Scalability MC")

Compiler Features for Kernel Security (in session "Toolchains and Kernel MC")

Complex Divide Improvements in libgcc (in session "GNU Tools Track")

Compute Express Link + Linux + QEMU = Yes (in session "LPC Refereed Track")

Confidential Computing MC Welcome (in session "Confidential Computing MC")

Confidential Computing with Secure Execution (IBM Z) (in session "Confidential Computing MC")

Consolidating representations of the physical memory (in session "Kernel Summit")

Container tracing (in session "Tracing MC")

CUPS 2.4/2.5 (in session "Open Printing MC")

CUPS 3.0 (in session "Open Printing MC")

Debug Support for Confidential VMs (in session "Confidential Computing MC")

Debugging offloaded kernels on AMD GPUs (in session "GNU Tools Track")

Defragmenting the Loader Landscape (in session "BPF & Networking Summit")

Deploying CVMs at scale via Linux (in session "Confidential Computing MC")

Design discussion and performance characteristics of Maple Tree (in session "Performance and Scalability MC")

Detecting semantic bugs in the Linux kernel using differential fuzzing (in session "Testing and Fuzzing MC")

Direct map management (in session "BOFs Session")

Diversity, Equity, & Inclusion in Open Source Communities: Key Themes & Preliminary Results from LF's 2021 Research (in session "Diversity, Equity & Inclusion MC")

Diversity, Equity, Inclusion MC: Welcome and Introduction (in session "Diversity, Equity & Inclusion MC")

dm-snapshot in userspace (in session "Android MC")

dma-fence deadline and priority boosting (in session "GPU/media/AI buffer management and interop MC")

Documenting the Heterogeneous Memory Model Architecture (in session "GPU/media/AI buffer management and interop MC")

Doing more with lore and b4 (in session "Kernel Summit")

DSA switches: domesticating a savage beast (in session "BPF & Networking Summit")

DTrace based on BPF and tracing facilities: challenges (in session "Tracing MC")

DWARF extensions for optimized SIMT/SIMD (GPU) debugging (in session "GNU Tools Track")

Dynamic Encapsulation Using eBPF (in session "BPF & Networking Summit")

Efficient buffered I/O (in session "File Systems MC")

Eliminating implicit function declarations (in session "GNU Tools Track")

Embedded Linux & RTOSes: why not both? (in session "IoThree's Company MC")

Enable intel LAM in linux (in session "GNU Tools Track")

Enabling user mode programs to emit into trace_event / dyn_event (in session "Tracing MC")

Eventfs based upon VFS to reduce memory footprint. (in session "Tracing MC")

Fast Checkpoint Restore for GPUs (in session "Containers and Checkpoint/Restore MC")

File System Shrink (in session "File Systems MC")

Firmware and Bootloader Logging (in session "System Boot and Security MC")

Formalizing Kernel Synchronization Primitives with PREEMPT_RT (in session "LPC Refereed Track")

From XDP to Socket (in session "BPF & Networking Summit")

FS stacking with FUSE: performance issues and mitigations (in session "Android MC")

Function tracing with arguments (in session "Tracing MC")

Fuzzing Device Interfaces of Protected Virtual Machines (in session "Testing and Fuzzing MC")

fw_devlink (in session "Android MC")

fw_devlink: Remaining issues to resolve and future improvements (in session "Android MC")

GCC Front-End for Rust (in session "LPC Refereed Track")

GCC Steering Committee, GLIBC, GDB, Binutils Stewards Q&A (in session "GNU Tools Track")

GCC support for the Darwin AArch64 ABI (in session "GNU Tools Track")

GCC's -fanalyzer option: what's new in GCC 12 (in session "GNU Tools Track")

Generic Kernel Image (GKI) update (in session "Android MC")

GNU tool chain for CORE-V (in session "GNU Tools Track")

gprofng - The next generation GNU profiler (in session "GNU Tools Track")

GPU/media/AI buffer management and interop Housekeeping (in session "GPU/media/AI buffer management and interop MC")

Guider: Linux Tracing using Python (in session "LPC Refereed Track")

Idmapped Mounts (in session "File Systems MC")

Improving Community AOSP Devboard/Device Collaboration (in session "Android MC")

Improving responsiveness of interactive CFS tasks using util_est (in session "Scheduler MC")

Improving the eBPF Developer Experience with Rust (in session "BPF & Networking Summit")

Indirect External Access (in session "GNU Tools Track")

Integrating GitLab into the Red Hat kernel workflow (in session "Kernel Summit")

Introduction (in session "Open Printing MC")

Introduction (in session "Tracing MC")

io_uring: BPF controlled I/O (in session "LPC Refereed Track")

IoT Gateway Blueprint with Thread and Matter (in session "IoThree's Company MC")

IoThree's Company (in session "IoThree's Company MC")

Kernel cgroups and namespaces: can they contribute to freedom from interference claims? (in session "Kernel Dependability and Assurance MC")

Kernel Dependability & Assurance Welcome (in session "Kernel Dependability and Assurance MC")

Kernel Dependability & Assurance Wrapup (in session "Kernel Dependability and Assurance MC")

Kernel testing frameworks (in session "Kernel Dependability and Assurance MC")

KEYNOTE: What a long, strange trip it's been.... (in session "Keynote")

KUnit: New Features and New Growth (in session "Testing and Fuzzing MC")

Limitations of tuning glibc malloc on larger systems. (in session "GNU Tools Track")

Link-Time Points-To Analysis Implementation in GCC with Souffle (in session "GNU Tools Track")

Linux and DRTM on Arm (in session "System Boot and Security MC")

Linux and Zephyr interoperability - the start of a beautiful relationship (in session "LPC Refereed Track")

Linux Developers: Motivations & Challenges (preliminary insights) (in session "Diversity, Equity & Inclusion MC")

Linux kernel in Chrome OS - scaling to millions of users (in session "Kernel Summit")

Linux kernel support for kernel thread starvation avoidance (in session "Real-time MC")

Linux Kernel Trends and Future Goals for Diversity (in session "Diversity, Equity & Inclusion MC")

Live Migration of Confidential VMs (in session "Confidential Computing MC")

Live Migration of TD Guest (in session "Confidential Computing MC")

LTTng as a fast system call tracer (in session "Tracing MC")

Maintaining PREEMPT_RT: now and then (in session "Real-time MC")

Measuring Code Review in the Linux Kernel Development Process (in session "LPC Refereed Track")

Mentoring at scale: Acknowledging Implicit Mentoring (in session "Diversity, Equity & Inclusion MC")

Merging the return caller infrastructures (in session "Tracing MC")

mikroBUS Driver for Add-on Boards (in session "IoThree's Company MC")

Mount-v2 CRIU migration engine: status update (in session "Containers and Checkpoint/Restore MC")

Much Ado About… Migrations! (in session "Scheduler MC")

New challenges in using LLC sched domain on wakeup path (in session "Scheduler MC")

New mod/ref pass in GCC (in session "GNU Tools Track")

New Smatch Developments (in session "Testing and Fuzzing MC")

Next Generation RISC-V Interrupt Support (in session "RISC-V MC")

Next steps for futex2 (in session "Real-time MC")

objtool on arm64 (in session "Toolchains and Kernel MC")

Open Discussion (in session "Android MC")

Open topic #1 (in session "Android MC")

Open topic #2 (in session "Android MC")

Open topic #3 (in session "Android MC")

OpenACC "kernels" improvements (in session "GNU Tools Track")

Opening Session (in session "Containers and Checkpoint/Restore MC")

Optimize Page Placement in Tiered Memory System (in session "Performance and Scalability MC")

Optimizing Linux Kernel with BOLT (in session "Toolchains and Kernel MC")

Overeager pulling from wake_wide() in interrupt heavy workloads (in session "Scheduler MC")

Overview of LoRa & LoRaWAN support in Zephyr (in session "IoThree's Company MC")

Overview of memory reclaim in the current upstream kernel (in session "LPC Refereed Track")

Page-Based Hardware Attributes (PBHA) on arm64 (in session "VFIO/IOMMU/PCI MC")

PCI Data Object Exchange (DOE), Component Measurement and Authentication (CMA) / SPDM 1.1 - Mediating access and related issues (in session "VFIO/IOMMU/PCI MC")

Per-task I/O boost tracking (in session "Scheduler MC")

Pixie's eBPF Protocol Tracer (in session "BPF & Networking Summit")

PKRAM feature development (in session "Performance and Scalability MC")

PowerPC BOF (in session "GNU Tools Track")

PREEMPT_RT: status and Q&A (in session "Real-time MC")

Presentation timing deep dive (in session "GPU/media/AI buffer management and interop MC")

Preserving state for fast hypervisor update (in session "Performance and Scalability MC")

Print Management GUI (in session "Open Printing MC")

Printer/Scanner Driver Design and Development (in session "Open Printing MC")

printk: kthreads and atomic consoles for mainline (in session "Real-time MC")

Protection Key Supervisor (PKS) (in session "LPC Refereed Track")

Puzzle for RISC-V ifunc (in session "RISC-V MC")

RCU Implementation BOF (in session "BOFs Session")

Remote charging in the CPU controller (in session "Scheduler MC")

Report From The Standards Committees (in session "Toolchains and Kernel MC")

RISC-V BoF (in session "GNU Tools Track")

RISC-V MC introduction (in session "RISC-V MC")

RISC-V platform specification (in session "BOFs Session")

rtla: an interface for osnoise/timerlat tracers (in session "Real-time MC")

Running Confidential Containers (in session "Confidential Computing MC")

Runtime redundancy and monitoring for critical subsystem/components (in session "Kernel Dependability and Assurance MC")

Rust for Linux (in session "Kernel Summit")

Rust in the Linux ecosystem (in session "LPC Refereed Track")

rustc_codegen_gcc: A gcc codegen for the Rust compiler (in session "LPC Refereed Track")

Scanning in PAPPL (in session "Open Printing MC")

Scheduler Microconference (in session "Scheduler MC")

Secrets in cloned snapshots (in session "Containers and Checkpoint/Restore MC")

Securing trusted boot of confidential VMs (in session "Confidential Computing MC")

Security improvements in GCC (in session "GNU Tools Track")

Self-healing Networking with Flow Label (in session "BPF & Networking Summit")

Shared Virtual Addressing (SVA) for in-kernel users (in session "VFIO/IOMMU/PCI MC")

Sharing Cache - optimizing for a single core vs a multi-core system (in session "GNU Tools Track")

Simplified user namespace allocation (in session "Containers and Checkpoint/Restore MC")

So you want to torture RCU? (in session "LPC Refereed Track")

Socket migration for SO_REUSEPORT (in session "BPF & Networking Summit")

Speculative page faults (in session "Android MC")

Speculative page faults (in session "Android MC")

Status of Dynamic MSIx and IMS opens (in session "VFIO/IOMMU/PCI MC")

Strange kernel performance changes - analysis and mitigation (in session "LPC Refereed Track")

Support for the CTF and BTF debug formats in the GNU Toolchain (in session "GNU Tools Track")

System Boot and Security MC Introduction (in session "System Boot and Security MC")

systemd-oomd: PSI-based OOM kills in systemd (in session "LPC Refereed Track")

TDX Linux guest (in session "Confidential Computing MC")

Testing and Fuzzing MC Welcome (in session "Testing and Fuzzing MC")

Testing in-kernel Rust code (in session "Testing and Fuzzing MC")

Testing the Red-Black tree implementation of the Linux kernel against a formally verified variant (in session "Testing and Fuzzing MC")

The Case for Memory Segregation (in session "LPC Refereed Track")

The forefront of the development for NVDIMM on Linux Kernel (in session "LPC Refereed Track")

The GNU C Library BoF (in session "GNU Tools Track")

The never-ending saga of control dependencies (in session "Toolchains and Kernel MC")

The RISC-V platform specification (in session "RISC-V MC")

The Rust toolchain in the kernel (in session "Toolchains and Kernel MC")

thermal core usage challenges (in session "Android MC")

Thermal core usage challenges in Android (in session "Android MC")

Toolchains and Kernel MC Welcome (in session "Toolchains and Kernel MC")

Towards a BPF Memory Model (in session "BPF & Networking Summit")

Towards continuous improvement of code-generation for RISC-V (in session "RISC-V MC")

Towards truly portable eBPF (in session "BPF & Networking Summit")

Traceability and code coverage: what we have in Linux and how it contributes to safety (in session "Kernel Dependability and Assurance MC")

Tracepoints that allow faults. (in session "Tracing MC")

Translating IPv4 to IPv6 Without NAT (in session "BPF & Networking Summit")

TrenchBoot Secure Launch upstreaming (in session "System Boot and Security MC")

uclamp cgroup usage challenges (in session "Android MC")

Uclamp cgroup usage challenges in Android (in session "Android MC")

Understanding motivations, goals and challenges faced by the Linux Kernel contributors (in session "LPC Refereed Track")

Unified I/O page table management for passthrough devices, in-kernel API discussion between IOMMU core and /dev/iommu (in session "VFIO/IOMMU/PCI MC")

Untangling DSCP, TOS and ECN bits in the kernel (in session "BPF & Networking Summit")

Update on BPF support in the GNU Toolchain (in session "GNU Tools Track")

Use of eBPF in cpu scheduler (in session "BPF & Networking Summit")

User Interrupts - A faster way to Signal (in session "Kernel Summit")

User interrupts BOF (in session "BOFs Session")

Userspace synchronisation for asynchronous hardware engines (in session "GPU/media/AI buffer management and interop MC")

Using the GCC regression test suite for LLVM (in session "GNU Tools Track")

VMA life cycle and MM locking (in session "BOFs Session")

Watching the super powers (in session "BPF & Networking Summit")

What's the problem with D1 Linux upstream? (in session "RISC-V MC")

Women of Open Source Software: Motivations and Experiences (in session "Diversity, Equity & Inclusion MC")

Wrap up & Next Steps (in session "Diversity, Equity & Inclusion MC")

Writing a fine-grained access pattern oriented lightweight kernel module using DAMON/DAMOS in 10 minutes (in session "Kernel Summit")

Writing Grub2 modules in Rust (in session "System Boot and Security MC")

XFS Roadmap Planning (in session "File Systems MC")

Include materials from selected contributions

Events scheduled on*

20/09/2021

21/09/2021

22/09/2021

23/09/2021

24/09/2021

Include materials from sessions/contributions scheduled on the selected dates