User-space return probes

A computer system is provided with memory divided by the operating system into kernel space and user space. A probe function is provided in a related user-space application to support dynamic insertion of instrumentation into the application. A breakpoint instruction is provided in an area of the pr...

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Bibliographische Detailangaben
1. Verfasser: KENISTON JAMES A
Format: Patent
Sprache:eng
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Zusammenfassung:A computer system is provided with memory divided by the operating system into kernel space and user space. A probe function is provided in a related user-space application to support dynamic insertion of instrumentation into the application. A breakpoint instruction is provided in an area of the process's user space that will not be overwritten to support execution of an instrumentation subroutine when a probed subroutine in the application returns.