Published at LXer:

Three weeks ago, LWN looked at the renewed interest in dynamic tracing, with an emphasis on SystemTap. Tracing is a perennial presence on end-user wishlists; it remains a handy tool for companies like Sun Microsystems, which wish to show that their offerings (Solaris, for example) are superior to Linux. It is not surprising that there is a lot of interest in tracing implementations for Linux; the main surprise is that, after all this time, Linux still does not have a top-quality answer to DTrace - though, arguably, Linux had a working tracing mechanism long before DTrace made its appearance.

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