Include header files in dtrace scripts

[Farhan Khan]

Thank you very much!
In my test code I didn't even include the header files and it knew how
to include struct ieee80211_channel.
--
Farhan Khan
PGP Fingerprint: B28D 2726 E2BC A97E 3854 5ABE 9A9F 00BC D525 16EE


On Sun, Aug 5, 2018 at 8:07 AM, Domagoj Stolfa <domagoj.stolfa at gmail.com> wrote:
> 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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>