Include header files in dtrace scripts

[Domagoj Stolfa]

Hi Farhan:

You should call DTrace with -C, which is the C preprocessor:

---------------
#!/usr/sbin/dtrace -Cs

#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_regdomain.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_ratectl.h>
---------------

—
Domagoj

> On 5 Aug 2018, at 06:43, Farhan Khan <khanzf at gmail.com> wrote:
> 
> Hi all,
> 
> I am trying to run dtrace on some net80211 functions in the kernel.
> Rather than recreate my own version of several fairly large structs,
> which would be a lot of work, I would like to just include
> net80211/ieee80211_var.h and related headers.
> 
> Brendan Gregg's book has examples of using #include, but when I do this:
> 
> ---------------
> #!/usr/sbin/dtrace -s
> 
> #include <net80211/ieee80211_var.h>
> #include <net80211/ieee80211_regdomain.h>
> #include <net80211/ieee80211_radiotap.h>
> #include <net80211/ieee80211_ratectl.h>
> ---------------
> 
> I get this error:
> 
> ---------------
> $ sudo ./newstate.d
> dtrace: failed to compile script ./newstate.d: line 3: invalid control
> directive: #include
> ---------------
> 
> Is there a way to include header files and get their subsequent structs?
> 
> Thanks,
> 
> --
> Farhan Khan
> PGP Fingerprint: B28D 2726 E2BC A97E 3854 5ABE 9A9F 00BC D525 16EE
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