Re: [lttng-dev] Compile modules on Centos Stream 9

[Jean-Marc Chevalier via lttng-dev <lttng-dev@lists.lttng.org>]

Hi Kienan,

Thank you, it worked.

I did not know exactly what I was doing, but I clicked "Open download overlay" and got the patched version in "c469ed7.tar.gz".

The modules are loaded. The teachers will be able to to test it as I dont know myself how to evaluate if it works.

- JM

-- 
- Jean-Marc Chevalier
  Technicien
  Génie informatique Génie logiciel
  Local:     M-4002	
  Téléphone: 514-340-4711 x4266

----- Mail original -----
De: "Kienan Stewart" <kstewart@efficios.com>
À: "Jean-Marc Chevalier" <jean-marc.chevalier@polymtl.ca>, lttng-dev@lists.lttng.org
Envoyé: Jeudi 20 Juin 2024 11:26:25
Objet: Re: [lttng-dev] Compile modules on Centos Stream 9

Hi Jean-Marc,

for the build errors could you try the following patch: 
https://review.lttng.org/c/lttng-modules/+/12885 ?

thanks,
kienan

On 6/19/24 11:41 AM, Jean-Marc Chevalier via lttng-dev wrote:
> Hi,
> 
> Is it possible to build the lttng modules againt Centos Stream 9 
> kernels? I see these warnings at the top when attempting to compile:
> 
> make[1]: Entering directory '/usr/src/kernels/5.14.0-452.el9.x86_64'
> /home/tmp/git/lttng-modules/src/probes/Kbuild:28: File ./mm/slab.h not 
> found. Probe "kmem" is disabled. Use full kernel source tree to enable it.
> /home/tmp/git/lttng-modules/src/probes/Kbuild:79: File 
> ./arch/x86/kvm/lapic.h not found. Probe "kvm" x86-specific is disabled. 
> Use full kernel source tree to enable it.
> /home/tmp/git/lttng-modules/src/probes/Kbuild:181: Files ./mm/internal.h 
> not found. Probe "compaction" is disabled. Use full kernel source tree 
> to enable it.
> /home/tmp/git/lttng-modules/src/probes/Kbuild:190: Files ./fs/ext4/*.h 
> not found. Probe "ext4" is disabled. Use full kernel source tree to 
> enable it.
> /home/tmp/git/lttng-modules/src/probes/Kbuild:213: File 
> ./drivers/base/regmap/trace.h not found. Probe "regmap" is disabled. Use 
> full kernel source tree to enable it.
> 
> I tried with module versions 2.12.17 and 2.13.13 against the kernel 
> 5.14.0-452.el9.x86_64 and I obtain this error:
> 
> /home/tmp/git/lttng-modules/src/probes/../../include/lttng/tracepoint-event-impl.h:133:6: error: conflicting types for 'trace_sched_stat_runtime'; have 'void(struct task_struct *, u64,  u64)' {aka 'void(struct task_struct *, long long unsigned int,  long long unsigned int)'}
> 
> Any help would be greatly appreciated.
> 
> - JM
> 
> -- 
> - Jean-Marc Chevalier
>    Technicien
>    Génie informatique Génie logiciel
>    Local:     M-4002
>    Téléphone: 514-340-4711 x4266
> 
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