Research topic

Systems Observability Research

This topic covers the collection and interpretation of runtime evidence needed to understand complex software systems. It links work on tracing, monitoring, dependency context, anomaly detection, adaptive evidence collection, and runtime governance for applications, services, cloud platforms, and agentic systems.

Related search terms: software observability · runtime observability · systems monitoring

20 papers in this topic, ordered newest first. The detailed paper records contain the evidence-grounded methods, tools, datasets, findings, and citation guidance.

Selected papers

2026 · Journal of Systems and Software

LMAT: An adaptive tracing approach based on efficient system behavior analysis using language models

Kasra Darvishi, Morteza Noferesti, Yuvraj Sehgal, Naser Ezzati-Jivan

LMAT combines multi-task language models for kernel-event and event-duration prediction with online change detection, lightweight error-vector root-cause analysis, and adaptive tracing control.

Keywords: adaptive tracing · LTTng · kernel events · system-call sequences · event-duration modeling

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2026 · Proceedings of the 34th ACM International Conference on the Foundations of Software Engineering (FSE)

Observability and Runtime Governance for Agentic AI Systems

Naser Ezzati-Jivan, Maryam Ekhlasi

The tutorial presents an end-to-end AgentOps workflow that connects task intent and model decisions to tool calls, memory access, inter-agent communication, external side effects, and runtime-governance decisions.

Keywords: agentic AI · AgentOps · runtime governance · AI observability · software agents

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2026 · SIGSOFT FSE Companion

Rethinking Performance Debugging: From Optimization to Collaborative Reasoning

Mahsa Panahandeh, Naser Ezzati-Jivan, Abdelwahab Hamou-Lhadj

The paper reframes performance debugging as collaborative reasoning over multiple evidence-grounded hypotheses rather than optimization for one supposedly best explanation.

Keywords: performance debugging · collaborative reasoning · AgentDebug · Reasoning Surface · hypothesis generation

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2026 · arXiv / CoRR; arXiv page reports acceptance to ICSE 2026

TAAF: A Trace Abstraction and Analysis Framework Synergizing Knowledge Graphs and LLMs

Alireza Ezaz, Ghazal Khodabandeh, Majid Babaei, Naser Ezzati-Jivan

TAAF combines time-indexed knowledge graphs with large language models to turn large execution traces into queryable, actionable explanations.

Keywords: TAAF · TraceQA-100 · time-indexed knowledge graph · natural-language trace queries · multi-hop reasoning

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2025 · 2025 IEEE International Conference on Collaborative Advances in Software and COmputiNg (CASCON)

SynthLogAI: Generative AI for Synthetic Linux Log Generation and Evaluation

Hridoy Rahman, Naser Ezzati-Jivan, Blessing Ogbuokiri

SynthLogAI benchmarks statistical, sequence, transformer, and prompt-based generative models for producing synthetic Linux logs while measuring fidelity, downstream utility, and privacy.

Keywords: synthetic Linux logs · generative AI · log generation · log evaluation · CASCON 2025

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2024 · ACM/SPEC International Conference on Performance Engineering (ICPE)

An Adaptive Logging System (ALS): Enhancing Software Logging with Reinforcement Learning Techniques

Amirmahdi Khosravi Tabrizi, Naser Ezzati-Jivan, Francois Tetreault

ALS uses source-code features and reinforcement learning to recommend which Python functions to log and which log levels to use for performance-bug diagnosis.

Keywords: adaptive logging · ALS · reinforcement learning · log placement · log level selection

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2024 · ACM/SPEC ICPE Companion

Analyzing Performance Variability in Alibaba's Microservice Architecture: A Critical-Path-Based Perspective

Alireza Ezaz, Ghazal Khodabandeh, Naser Ezzati-Jivan

The paper identifies response-time variability in Alibaba microservice traces through critical-path extraction and variability analysis of service interactions.

Keywords: Alibaba microservice architecture · critical path · distributed traces · response-time variability · critical interactions

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2024 · 2024 ACM/IEEE International Conference on Software Engineering: Companion Proceedings (ICSE Companion)

Decoding Log Parsing Challenges: A Comprehensive Taxonomy for Actionable Solutions

Issam Sedki, Abdelwahab Hamou-Lhadj, Otmane Ait-Mohamed, Naser Ezzati-Jivan, Mohammed A. Shehab

The paper derives a 30-item taxonomy of log event characteristics that induce parsing errors and quantifies the characteristics with the largest impact across eight parsers.

Keywords: log parsing · log event characteristics · LEC taxonomy · LogHub · open coding

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2024 · Journal of Systems and Software

Enhancing empirical software performance engineering research with kernel-level events: A comprehensive system tracing approach

Morteza Noferesti, Naser Ezzati-Jivan

The paper releases a reusable Linux kernel-event and system-call artifact with controlled application workloads, injected resource noise, and analysis scenarios for software performance engineering.

Keywords: LTTng · Linux kernel events · system calls · kernel tracepoints · Elasticsearch

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2024 · ACM/SPEC International Conference on Performance Engineering (ICPE) Companion

Network Analysis of Microservices: A Case Study on Alibaba Production Clusters

Ghazal Khodabandeh, Alireza Ezaz, Naser Ezzati-Jivan

The paper applies graph community detection and service-graph clustering to expose recurring microservice communication structures in an Alibaba production-cluster snapshot.

Keywords: microservice networks · Alibaba production clusters · service call graphs · community detection · Louvain

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2024 · 2024 IEEE/ACM International Conference on Software Engineering: New Ideas and Emerging Results (ICSE-NIER)

Toward Adaptive Tracing: Efficient System Behavior Analysis using Language Models

Kasra Darvishi, Morteza Noferesti, Naser Ezzati-Jivan

The paper proposes an adaptive tracing loop that combines language-model prediction of kernel-event sequences and event durations with change detection and root-cause analysis, so detailed tracing is activated only around significant behavior shifts.

Keywords: adaptive tracing · LTTng · kernel events · system-call sequences · event-duration modeling

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2021 · Electronics

Combining Distributed and Kernel Tracing for Performance Analysis of Cloud Applications

Loïc Gelle, Naser Ezzati-Jivan, Michel R. Dagenais

The paper combines Jaeger distributed traces with LTTng kernel and user-space events and extends critical-path analysis from threads to distributed requests so request latency can be related to low-level scheduling and resource behavior.

Keywords: distributed tracing · kernel tracing · cloud applications · cross-layer performance analysis · LTTng

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2021 · Sensors

Distributed Architecture for an Integrated Development Environment, Large Trace Analysis, and Visualization

Yonni Chen Kuang Piao, Naser Ezzati-Jivan, Michel R. Dagenais

The paper presents a modular client-server architecture for large-trace storage, analysis, and visualization inside an integrated development environment.

Keywords: distributed architecture · Trace Compass · TraceScape · LTTng 2.10.3 · Trace Analysis Server Protocol

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2012 · International Journal of Computer Science and Network Security

Intrusion Response Systems: Survey and Taxonomy

Alireza Shameli-Sendi, Naser Ezzati-Jivan, Masoume Jabbarifar, Michel Dagenais

This survey organizes intrusion-response systems around automation, response cost, decision evaluation, adjustment, execution, attack paths, and risk assessment.

Keywords: intrusion response systems · response cost · automated response · NIDS · HIDS

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2010 · Wireless Sensor Network

A Reliable and Efficient Time Synchronization Protocol for Heterogeneous Wireless Sensor Network

Masoume Jabbarifar, Alireza Shameli-Sendi, Alireza Sadighian, Naser Ezzati-Jivan, Michel R. Dagenais

The paper proposes L-SYNCng, a time-synchronization protocol for heterogeneous wireless sensor networks that combines topology-aware clustering with convex-hull clock estimation.

Keywords: wireless sensor networks · time synchronization · L-SYNCng · convex hull · clock drift

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