Hi, On Fri, Sep 2, 2011 at 3:26 PM, Jean Pihet <jean.pihet@xxxxxxxxxxxxxx> wrote: >> It was known that cpu_id is always the current cpu with current >> implementation when this got introduced. >> But the perf events API must not change back and forth for userspace >> compatibility. Therefore the cpu_id was added in case >> that future implementations want to pass info where the current cpu >> is not the cpu which is sent to the sleep state. > Agree. Let's keep the cpu_id field. OK, let's keep it. How about removing it in clock_enalbe/clock_disable/power_domain_target as did in [1/3] and [2/3]? I don't see any usefulness of 'cpu_id' in the tree trace points. thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html