I think you're looking for is-enabled probes. See http://blogs.sun.com/ahl/entry/user_land_tracing_gets_better or the current DTrace documentation.
Chad On Fri, Jul 16, 2010 at 10:39 AM, Thomas Maier-Komor <tho...@maier-komor.de> wrote: > Hi, > > is it somehow possible to conditionally enable a section of code that is > responsible for constructing a probe argument. > > I.e. if the first probe argument is a string, can I attach a function to the > probe that will yield that string so that it doesn't have to be constructed > if the probe doesn't fire? > > Defining the following probe yields assembly that executes the call to > expensive_argument_construction unconditionally... > > DTRACE_PROBE1(myprovider,myprobe,expensive_argument_construction()); > > - Thomas > -- > This message posted from opensolaris.org > _______________________________________________ > dtrace-discuss mailing list > dtrace-discuss@opensolaris.org > _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
