Tianyin Xu
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| title | conference | date |
|---|---|---|
| Xkernel: Principled Performance Tunability of Operating System Kernels | 20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26) | 2026-07-13 |
Xkernel converts frozen Linux perf-consts into safe, in-situ knobs by synthesizing runtime handlers via Scoped Indirect Execution; it finds constants with… | ||
| Oxbow: A Coordinated Architecture for Multi-Component File Systems | 20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26) | 2026-07-13 |
Oxbow builds a three-part file system (user daemon, kernel ufs, device server) that routes reads through the kernel and sends writes directly to a… | ||
| EROICA: Online Performance Troubleshooting for Large-scale Model Training | NSDI '26 | 2026-05-04 |
EROICA is an online profiler that triggers only on iteration slowdowns, profiles all workers simultaneously, extracts beta, mu, sigma fingerprints for… | ||
| Who Watches the Watchers? On the Reliability of Softwarizing Cloud Application Management | NSDI '26 | 2026-05-04 |
Study analyzes 412 real-world failures across 13 Kubernetes operators and finds 42% stem from operator–application interactions, with 64% of those being… | ||
| Rex: Closing the language-verifier gap with safe and usable kernel extensions | USENIX ATC '25 | 2025-07-07 |
Rex claims to close the language‑verifier gap by running kernel extensions in safe Rust linked to a Rex kernel crate and a lightweight runtime that enforces… | ||
| EMT: An OS Framework for New Memory Translation Architectures | OSDI '25 | 2025-07-07 |
EMT is an OS framework that ports Linux memory management onto a hardware‑neutral MMU interface, enabling radix, hash, and direct‑map translation schemes with… | ||
| Dissecting and Streamlining the Interactive Loop of Mobile Cloud Gaming | NSDI '25 | 2025-04-28 |
A 20,000‑record, 2,000‑fps camera measurement across eight commercial platforms reveals mobile cloud gaming interactive latency of 112–403 ms and shows network… | ||
| Mitigating Scalability Walls of RDMA-based Container Networks | NSDI '25 | 2025-04-28 |
ScalaCN infers RNIC internals via combinatorial causal testing and links specific config dimensions to failures, finding that increasing flow-group query cost… | ||
| Fast (Trapless) Kernel Probes Everywhere | USENIX ATC 2024 | 2024-07-10 |
Replaces trap-based Kprobes with direct control-flow rewrites and selective padding to avoid double-trap overhead: a compiler LLVM machine IR pass inserts… | ||
| Anvil: Verifying Liveness of Cluster Management Controllers | 18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24) | 2024-07-10 |
Anvil presents eventually stable reconciliation as a concise temporal liveness spec and provides a Rust framework that verifies controllers against it using… | ||
| Cross-System Interaction Failures: Don't Fail through the Cracks | SREcon24 Americas | 2024-03-18 |
Empirical study of 120 cross-system incidents and a random sample of 360 issues finds roughly 30% are CSI failures that arise only when systems interact… | ||
| Relational Debugging --- Pinpointing Root Causes of Performance Problems | OSDI 2023 | 2023-07-10 |
Introduces relations as distributions linking pairs of runtime events and uses causal dependency traversal to pinpoint changes between one good and one bad… | ||
| Push-Button Reliability Testing for Cloud-Backed Applications with Rainmaker | NSDI 2023 | 2023-04-17 |
A push-button SDK called Rainmaker injects faults at the REST-layer fault injection using an HTTP proxy and automatic fault policies so existing test suites… | ||
| Revisiting eBPF Seccomp Filters | Linux Plumbers Conference 2022 | 2022-09-12 |
Argues that replacing classic BPF with eBPF for seccomp makes filters stateful filters using ebpf maps and helpers, enabling concrete features: syscall-account… | ||
| DepFast: Orchestrating Code of Quorum Systems | USENIX ATC '22 | 2022-07-11 |
DepFast is a user-space coroutine library that adds a QuorumEvent abstraction to compose RPCs, timeouts, and multiple quorum sizes so code follows the protocol… | ||
| Static Detection of Silent Misconfigurations with Deep Interaction Analysis | OOPSLA 2021 | 2021-10-17 |
Builds a tool called ConfigX that statically links configuration entries to code via LLVM IR, applies customized data- and control-flow tainting to derive… | ||
| Fast and Light Bandwidth Testing for Internet Users | NSDI ’21 | 2021-04-12 |
FastBTS implements fuzzy rejection sampling with a real-time crucial interval detector and elastic bandwidth probing, plus data-driven server selection and… | ||
| Lock-Free Collaboration Support for Cloud Storage Services with Operation Inference | FAST '20 | 2020-02-24 |
Reverse engineering and measurements reveal long synchronization tails, missing locks, and many false conflicts in popular cloud drives. The system infers… | ||
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