Research publication catalog

Naser Ezzati-Jivan

89 research publications by Naser Ezzati-Jivan in software performance, kernel tracing, observability, systems, and machine learning, grouped by year with technical...

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89 publications

2026

ACM/SPEC International Conference on Performance Engineering (ICPE)

B-Perf: Black-box Performance Antipattern Detection Using System-level Execution Tracing

Morteza Noferesti, Mahsa Panahandeh, Naser Ezzati-Jivan

B-Perf reconstructs execution, memory, and messaging behavior from Linux kernel-level traces and infers performance-antipattern indicators without requiring application source access or intrusive instrumentation.

conference paper full-text-reviewed

kernel-tracing system-tracing performance-analysis

ACM International Conference on the Foundations of Software Engineering (FSE) Companion

TraceSynth: Generating Production-Quality Kernel Traces with Constraint-Guided Diffusion Models

Yuvraj Sehgal, Sneh Patel, Mahsa Panahandeh, Naser Ezzati-Jivan, Francois Tetreault

TraceSynth generates novel structured kernel-trace windows with a Transformer diffusion model and repairs generated events against invariants mined from real LTTng traces.

conference paper full-text-reviewed

kernel-tracing system-tracing trace-analysis

2025

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

Energy Consumption Analysis of Large Language Models Across CPU and GPU Using Diverse Metric Types

Tong Zhang, Leila Tahmooresnejad, Naser Ezzati-Jivan

The abstract-level contribution is a broader CPU/GPU energy-analysis and prediction perspective for LLM workloads that combines multiple metric types and task coverage.

conference paper abstract-and-metadata-reviewed

energy-efficiency llm-efficiency performance-modeling

IEEE International Conference on Software Maintenance and Evolution (ICSME)

HybridRCA: Lightweight Critical-Path-Aware Hybrid Tracing for Root-Cause Analysis in Production Microservices

Maryam Ekhlasi, Arnaud Fiorini, Michel R. Dagenais, Naser Ezzati-Jivan, Maxime Lamothe

HybridRCA combines critical-path-aware span analysis with targeted kernel metrics to reduce production trace volume while preserving root-cause localization evidence.

conference paper metadata-only

system-tracing microservices root-cause-analysis

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.

poster paper full-text-reviewed

observability machine-learning trace-analysis

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

Efficient Unsupervised Latency Culprit Ranking in Distributed Traces with GNN and Critical Path Analysis

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

The paper combines an unsupervised GraphSAGE model with critical-path-specific latency profiles to detect anomalous requests and rank likely microservice culprits without labelled training data.

conference paper full-text-reviewed

microservices graph-neural-networks latency-analysis

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.

conference paper full-text-reviewed

kernel-tracing system-tracing llm-assisted-analysis

2023

2023 IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)

EMD-SCS: A Dynamic Behavioral Approach for Early Malware Detection with Sonification of System Call Sequences

Raghav Bhardwaj, Morteza Noferesti, Madeline Janecek, Naser Ezzati-Jivan

The verified record identifies this work as a TrustCom 2023 paper on system-call sonification for malware detection, but the full technical contribution was not available in the captured sources.

conference paper metadata-only

system-tracing anomaly-detection machine-learning

2022

2021

International Journal of Parallel Programming

Automated Generation of Model-Based Constraints for Common Multi-core and Real-Time Applications Using Execution Tracing

Raphael Beamonte, Naser Ezzati-Jivan, Michel R. Dagenais

The paper automatically builds an approximate workflow model and adaptive quantitative constraints from user-space and kernel execution traces, reducing manual model construction for real-time and multicore diagnosis.

journal article metadata-only

system-tracing multicore-systems trace-analysis

2020

IEEE 20th International Working Conference on Source Code Analysis and Manipulation (SCAM)

DepGraph: Localizing Performance Bottlenecks in Multi-Core Applications Using Waiting Dependency Graphs and Software Tracing

Naser Ezzati-Jivan, Quentin Fournier, Michel R. Dagenais, Abdelwahab Hamou-Lhadj

DepGraph uses system-level tracing to expose the waiting dependencies that divide a task's execution time across threads and hardware resources.

conference paper full-text-reviewed

kernel-tracing performance-analysis root-cause-analysis

IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW)

Multi-Level Execution Trace Based Lock Contention Analysis

Majid Rezazadeh, Naser Ezzati-Jivan, Evan Galea, Michel R. Dagenais

The paper extends critical-path analysis across kernel and user-space lock events so contention from futexes, spinlocks, semaphores, and other synchronization mechanisms can be diagnosed without recompiling the application.

conference paper metadata-only

kernel-tracing system-tracing performance-analysis

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