Source code instrumentation tools such as Gprof can provide rudimentary timing data about the various functions defined within an application, while highly advanced sampling tools such as Qprof can provide detailed statistical reports about shared library usage and kernel-level interactions.
in reference to:"source code instrumentation tools such as gprof can provide rudimentary timing data about the various functions defined within an application, while highly advanced sampling tools such as qprof can provide detailed statistical reports about shared library usage and kernel-level interactions"
- An Overview of Software Performance Analysis Tools and Techniques: From GProf to DTrace (view on Google Sidewiki)
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