Philippe Gerum wrote: > ... > Disable CONFIG_XENO_OPT_DEBUG from your kernel configuration, this is > the source of the PTE misses you are seeing now on ppc. This is not to > say that those errors are normal, and this issue still remains to be > fixed, but unless you want to debug the Xenomai nucleus, you don't need > this option on (additionally, it adds a large overhead which translates > in significantly augmented jitter).
CONFIG_XENO_OPT_DEBUG should not add large jitters - that's what e.g. CONFIG_XENO_OPT_DEBUG_QUEUES is now for. I'm currently seeing two potential "misuses" of the common switch: - the posix skin (Gilles, how heavy-weighted are those checks?) => CONFIG_XENO_OPT_DEBUG_POSIX - CONFIG_XENO_SPINLOCK_DEBUG => CONFIG_XENO_OPT_DEBUG_SPINLOCK Both should be explicitly controllable in Kconfig. Gilles, is CONFIG_XENO_OPT_DEBUG_BHEAP used in any way? Doesn't seem so. Jan
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