2026 · Journal of Systems and Software
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)
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
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
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 · IEEE International Conference on Program Comprehension (ICPC)
Issam Sedki, Abdelwahab Hamou-Lhadj, Otmane Ait Mohamed, Naser Ezzati-Jivan
The paper introduces a taxonomy of log-event characteristics that explains why different log parsers fail across systems and parser families.
Keywords: log parsing · log event characteristics · LEC taxonomy · LogHub · Drain
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2025 · 2025 IEEE International Conference on Collaborative Advances in Software and COmputiNg (CASCON)
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)
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
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)
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
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
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)
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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2023 · IEEE International Conference on Program Comprehension (ICPC)
Issam Sedki, Abdelwahab Hamou-Lhadj, Otmane Ait Mohamed, Naser Ezzati-Jivan
The paper classifies recurring log-parsing errors and connects them to token and event characteristics that can guide parser design and logging practice.
Keywords: log parsing · parser errors · Drain · AEL · Spell
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2021 · Electronics
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
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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2021 · 2021 IEEE International Systems Conference (SysCon)
Yue Guan, Naser Ezzati-Jivan
The paper combines LTTng system-call monitoring with recurrent and Transformer-style models for malware and anomalous system-behavior detection.
Keywords: malware detection · system-call analysis · LTTng · Trace Compass · LSTM
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2020 · Journal of Cloud Computing
Robin Gassais, Naser Ezzati-Jivan, Jose M. Fernandez, Daniel Aloise, Michel R. Dagenais
The paper combines host-level user/kernel tracing with machine learning to detect intrusion behavior on constrained IoT and home-automation systems.
Keywords: IoT intrusion detection · host-based IDS · LTTng · barectf · Common Trace Format
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2018 · IEEE International Conference on Consumer Electronics (ICCE)
Yves J. Bationo, Naser Ezzati-Jivan, Michel R. Dagenais
The paper correlates OpenStack Nova, QEMU/KVM, and host/guest kernel evidence to diagnose live-migration behavior across cloud-system layers.
Keywords: cloud tracing · high-level tracing · low-level tracing · cross-layer observability · OpenStack Nova
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2012 · International Journal of Computer Science and Network Security
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
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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