On 2014/4/26 17:23, Catalin Marinas wrote: > On 26 Apr 2014, at 09:38, Ding Tianhong <[email protected]> wrote: >> Add OProfile support for arm64, using the perf backend, and failing back >> to generic timer based sampling if PMU interrupt is not supported. >> >> I have test this patch on Cortex-A53 and Cortex-A57 motherboard, the OProfile >> could work well by PMU irq or arch timer irq. > > This came up before a few times and we also had an implementation but > decided not to merge it. We should rather get the user space oprofile to > use the perf kernel API. > > That’s an old thread, it may have even made it into mainline oprofile > but I haven’t followed the development: > > http://marc.info/?l=oprofile-list&m=133002515616302&w=2 > > Catalin > Ok, I will check it and then decide the next step, thanks for your feedback.
Regards Ding -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
