On Tue, Oct 28, 2008 at 02:00:23PM -0700, Adam Mitchell wrote:
> I did this on a dev machine. We won't have /usr/sfw/bin/cpp on prod
> hosts. Can someone point me to some general instructions on using the
> '-G' option to reuse this compiled dtrace program on another host?
Generally, you can't. But you could save the output of cpp:
truss -aft exec ./script
Pick out the "cpp" line, which might look like:
4056: argv: cpp -D__sun -D__unix -D__SVR4 -D__SUNW_D=1 -D__SUNW_D_64
4056: -D__SunOS_5_11 -D__amd64 -D__SUNW_D_VERSION=0x01006002
4056: -D__STDC__=0 /dev/fd/4 /dev/fd/5
and transform that into:
tail +2 script |
/path/to/gnu/cpp -D__sun -D__unix -D__SVR4 -D__SUNW_D=1 -D__SUNW_D_64 \
-D__SunOS_5_11 -D__amd64 -D__SUNW_D_VERSION=0x01006002 \
-D__STDC__=0 /dev/stdin > script.preprocessed
Then, you can just do dtrace -s ./script.preprocessed on any machine of the
same architecture.
Note that if you're targetting a 32-bit Apache, you should compile with
the '-32' argument to dtrace(1M).
Cheers,
- jonathan
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