cmocka: unit testing framework for C with support for
mock objects, fixtures, and several machine-readable result formats. It is a
good general-purpose choice for C projects.
Unity: small unit testing
framework for C that is especially useful when a lightweight or embedded
test framework is required.
Profiling
GNU gprof is a basic
instrumenting profiler distributed with GNU Binutils. It is useful for
introductory profiling and existing workflows, but
gprofng is the more
capable profiler in current Binutils releases.
Intel VTune Profiler
analyzes CPU, accelerator, threading, and memory-performance behaviour. It
can be installed separately or as part of the Intel oneAPI toolkits.
Linaro Forge
combines the DDT parallel debugger, MAP profiler, and Performance Reports.
It is designed for MPI, OpenMP, and accelerator-enabled HPC applications.
HPCToolkit is an open-source measurement and
analysis suite for CPU and GPU-accelerated applications, including parallel
programs.
Scalasca is an open-source performance-analysis
toolset for MPI, OpenMP, and hybrid applications.