lcov
E284618
lcov is a graphical front-end and extension for the gcov code coverage tool that collects, processes, and visualizes test coverage data for C and C++ programs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| lcov canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2629544 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: lcov Context triple: [gcov, relatedTool, lcov]
-
A.
gcov
gcov is a test coverage analysis tool used with GCC to measure and report how much of a program’s source code is executed during runtime.
-
B.
Checkmarx
Checkmarx is a cybersecurity company specializing in application security testing solutions that help organizations identify and remediate vulnerabilities in their software code.
-
C.
LLVM
LLVM is a modular, reusable compiler and toolchain infrastructure project widely used for building language frontends, optimizers, and backends for diverse hardware architectures.
-
D.
gprof
gprof is a performance analysis tool that profiles program execution to help developers identify time-consuming functions and optimize their code.
-
E.
LLDB
LLDB is a modern, high-performance debugger primarily used with the LLVM toolchain for languages like C, C++, and Objective-C.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: lcov Target entity description: lcov is a graphical front-end and extension for the gcov code coverage tool that collects, processes, and visualizes test coverage data for C and C++ programs.
-
A.
gcov
gcov is a test coverage analysis tool used with GCC to measure and report how much of a program’s source code is executed during runtime.
-
B.
Checkmarx
Checkmarx is a cybersecurity company specializing in application security testing solutions that help organizations identify and remediate vulnerabilities in their software code.
-
C.
LLVM
LLVM is a modular, reusable compiler and toolchain infrastructure project widely used for building language frontends, optimizers, and backends for diverse hardware architectures.
-
D.
gprof
gprof is a performance analysis tool that profiles program execution to help developers identify time-consuming functions and optimize their code.
-
E.
LLDB
LLDB is a modern, high-performance debugger primarily used with the LLVM toolchain for languages like C, C++, and Objective-C.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
code coverage tool
ⓘ
gcov front-end ⓘ software tool ⓘ |
| benefit |
helps identify untested code
ⓘ
helps improve test suite quality ⓘ provides visual overview of coverage ⓘ |
| compatibleWith |
GCC
ⓘ
linked to:
GNU Compiler Collection
gcov data files ⓘ |
| component |
genhtml
ⓘ
geninfo ⓘ lcov command-line tool ⓘ lcovrc configuration file ⓘ |
| distribution | source code ⓘ |
| domain |
software testing
ⓘ
test coverage analysis ⓘ |
| extends | gcov ⓘ |
| feature |
capture coverage data from multiple test runs
ⓘ
filter coverage data by file or directory ⓘ generate HTML coverage reports ⓘ merge coverage data files ⓘ support for baseline coverage data ⓘ support for branch coverage data ⓘ support for excluding files from coverage ⓘ support for excluding functions from coverage ⓘ support for function coverage data ⓘ support for incremental coverage analysis ⓘ support for summary statistics ⓘ |
| input |
.gcda files
ⓘ
.gcno files ⓘ |
| interface | command-line interface ⓘ |
| license | GNU General Public License ⓘ |
| maintains | coverage data in .info files ⓘ |
| name | lcov ⓘ |
| outputFormat |
HTML
ⓘ
text ⓘ |
| purpose |
collect code coverage data
ⓘ
process code coverage data ⓘ visualize code coverage data ⓘ |
| runsOn |
Linux
ⓘ
Unix-like systems ⓘ |
| supportsLanguage |
C
ⓘ
C++ ⓘ |
| supportsMetric |
branch coverage
ⓘ
function coverage ⓘ line coverage ⓘ |
| typicalUse |
analyzing test coverage of C projects
ⓘ
analyzing test coverage of C++ projects ⓘ |
| uses | gcov ⓘ |
| visualization | colored HTML source code with coverage information ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: lcov Description of subject: lcov is a graphical front-end and extension for the gcov code coverage tool that collects, processes, and visualizes test coverage data for C and C++ programs.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.