Label: Intel VTune
This tag contains practical guides and case studies involving Intel VTune Profiler.
Intel VTune can reveal CPU hotspots, thread utilization, call stacks, synchronization overhead, system calls, memory behavior, and time spent inside operating-system or runtime libraries. However, collecting a profile is only the first step. The more difficult task is interpreting the data correctly and connecting a hot stack to the application logic that produced it.
Articles in this section show how to work with Hotspots, Bottom-up, Top-down Tree, Caller/Callee, timelines, and call-stack views. They also discuss how to distinguish useful work from busy loops, excessive synchronization, small repeated operations, background I/O, and other forms of hidden overhead.
Special attention is given to production-like C and C++ workloads, where the hottest function may belong to a logging library, allocator, networking layer, cryptographic library, or kernel interface rather than directly to the application.
The purpose of these materials is not merely to explain VTune controls, but to demonstrate a repeatable investigation process: capture the right workload, identify dominant stacks, verify the suspected cause, make a targeted change, and compare the resulting profile.
Log Source Profiling: Which Log Statement Is Responsible?
