A generic tracing API for Linux
Dynamic kernel tracing remains high on the wishlists presented by many Linux users. While much work has been done to create a powerful tracing capability, very little of that work has found its way into the mainline. The recent posting of one small piece of infrastructure may help to change that situation, though.
The piece in question is the trace layer posted by David Wilder. Its purpose is to make it easy for a tracing application to get things set up in the kernel and allow the user to control the tracing process. To that end, it provides an internal kernel API and a set of control files in the debugfs filesystem.
On the kernel side, a tracing module would set things up with a call to:
Also: Abusing chroot
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