PiCO QL: A software library for runtime interactive queries on program data

Marios Fragkoulis; Diomidis Spinellis; Panos Louridas

doi:10.1016/j.softx.2016.07.002

PiCO QL: A software library for runtime interactive queries on program data

Marios Fragkoulis^*, Diomidis Spinellis, Panos Louridas

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

Abstract

PiCO QL is an open source C/C++ software whose scientific scope is real-time interactive analysis of in-memory data through SQL queries. It exposes a relational view of a system's or application's data structures, which is queryable through SQL. While the application or system is executing, users can input queries through a web-based interface or issue web service requests. Queries execute on the live data structures through the respective relational views. PiCO QL makes a good candidate for ad-hoc data analysis in applications and for diagnostics in systems settings. Applications of PiCO QL include the Linux kernel, the Valgrind instrumentation framework, a GIS application, a virtual real-time observatory of stellar objects, and a source code analyser.

Original language	English
Pages (from-to)	134-138
Number of pages	5
Journal	SoftwareX
Volume	5
DOIs	https://doi.org/10.1016/j.softx.2016.07.002
Publication status	Published - 1 Dec 2015
Externally published	Yes

Keywords

Data analysis
Main memory data structures
Program data
SQL

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PiCO QL: A software library for runtime interactive queries on program data

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Keywords

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