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From: "mysecondaccountabc at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug runtime/22582] SystemTap 3.2 stap script compilation error opt
Date: Mon, 11 Dec 2017 22:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D22582

--- Comment #3 from Gustavo Moreira <mysecondaccountabc at gmail dot com> -=
--
(In reply to David Smith from comment #1)
> (In reply to Gustavo Moreira from comment #0)
> > I'm having the following compilation error compiling a stap script in A=
RM
> > with SystemTap 3.2:
> >=20
> > $ sudo stap -v -g -p4 -DSTP_NO_OVERLOAD systemtap-strace.stp -m stap_tr=
ace=20
> > Compiling systemtap module ...
> > ./systemtap-strace.stp -> ./stap_trace.ko
> > Pass 1: parsed user script and 452 library scripts using
> > 35092virt/26404res/2260shr/24360data kb, in 4950usr/190sys/5187real ms.
> > Pass 2: analyzed script: 734 probes, 230 functions, 104 embeds, 63 glob=
als
> > using 68040virt/60300res/3180shr/57308data kb, in
> > 2348300usr/36720sys/2415777real ms.
> > Pass 3: translated to C into "/tmp/stapBqLAih/stap_trace_src.c" using
> > 68040virt/60492res/3412shr/57308data kb, in 121940usr/440sys/124281real=
 ms.
> > /tmp/stapBqLAih/stap_trace_src.c:198942:28: error: field =E2=80=98ops=
=E2=80=99 has
> > incomplete type
> > /tmp/stapBqLAih/stap_trace_src.c: In function =E2=80=98systemtap_module=
_init=E2=80=99:
> > /tmp/stapBqLAih/stap_trace_src.c:199900:9: error: implicit declaration =
of
> > function =E2=80=98stap_utrace_detach_ops=E2=80=99 [-Werror=3Dimplicit-f=
unction-declaration]
> > cc1: all warnings being treated as errors
>=20
> Interesting. The task_finder functionality (part of the user-space tracin=
g),
> needs for several kernel tracepoints to exist. If they don't exist, you
> should have either gotten a compile error or they should have
> semi-gracefully just refused to work.
>=20
> Is CONFIG_TRACEPOINTS set in your custom kernel?

Hi David,=20

Yes it is

# grep CONFIG_TRACEPOINTS ~/linux-3.2.93/.config
CONFIG_TRACEPOINTS=3Dy

I've just attached the stap temporary directory with the generated source
files.

Cheers,
Gus

--=20
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