Re: [PATCH V3 8/9] Documentation for DTrace USDT probes.
Ed Maste <[email protected]>
| Newsgroups | gmane.comp.gdb.devel |
|---|---|
| Message-ID | <CAPyFy2AAS8k8pY2Z-n8qWbOJhFn2kxsDdTrGtBc=yvVS9MeFbg@mail.gmail.com> |
On 28 October 2014 at 09:49, Jose E. Marchesi <[email protected]> wrote: > +Some @code{SystemTap} probes have an associated semaphore variable; > +for instance, this happens automatically if you defined your probe > +using a DTrace-style @file{.d} file. If your probe has a semaphore, > +@value{GDBN} will automatically enable it when you specify a > +breakpoint using the @samp{-probe-stap} notation. But, if you put a > +breakpoint at a probe's location by some other method (e.g., > +@code{break file:line}), then @value{GDBN} will not automatically set > +the semaphore. @code{DTrace} probes do not support semaphores. This seems confusing to me now that there is additional DTrace context in this paragraph: something unsupported by DTrace happens automatically when using a DTrace-style .d file. Would something like "a standalone probe definition file" be better than "DTrace-style"?