It can happen that the scheduler tick stops on cpu 0 but keeps running on some other cpu. Make the cpu in-charge of updating the jiffies also update the rq_stats. Change-Id: Idb1a8132bd96500c68c516b4a99663965cec28e1 Signed-off-by: Amar Singhal <asinghal@codeaurora.org> (cherry picked from commit f10f2a8bad44078c11378d9a0da025bc4a8e0f15)