Kernel Space: The Linux Trace Toolkit's Next Generation

"Instrumenting a running kernel for debugging or profiling is on the wish list of many administrators and developers. Advocates of OpenSolaris like to point to DTrace as a feature that Linux lacks, though SystemTap has started to close that gap. The Linux Trace Toolkit next generation (LTTng) takes a different approach and was recently submitted for inclusion in the kernel (in two patches: architecture independent and architecture dependent).

"LTTng relies upon kernel markers to provide static probe points for its kernel tracing activities..."

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