On 2022-08-03 15 h 23, Bruce Ashfield via lttng-dev wrote:
Hi all,
This was found during the update of the yocto project reference
kernel to 5.19. Out of all the supported architectures, only
mips failed during the build of lttng-modules.
Specifically, it seems like the lack of CONFIG_COMPACTION being
enabled in the kernel was the significant issue. Only one of the
tracepoints blew up, but I can't see how any of them would be
valid in this scenario, or why it would be limited to mips.
While I don't think this is the right fix, this is what got me
up and passing sanity testing, so I wanted to send the change
and see what the actual, correct fix would be :)
Cheers,
Bruce
Hi Bruce,
Thanks for reporting this issue, I propose a simpler fix [1] of just
disabling the build of the compaction probe module when
CONFIG_COMPACTION is disabled in the kernel configuration.
Can you confirm this patch fixes the issue on your side?
Thanks,
Michael
[1] https://review.lttng.org/c/lttng-modules/+/8660
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