> Which is a Broadwell-U, dual-core, 14 nm. > > [root@jouet linux]# echo 0 > /proc/sys/kernel/nmi_watchdog > [root@jouet linux]# perf stat --topdown -a usleep 1 > System does not support topdown > [root@jouet linux]# cat /proc/sys/kernel/nmi_watchdog > 0 > [root@jouet linux]# > > Please advise.
You don't have the kernel patches? They're in PeterZ's tree, but not yet in tip https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git/log/?h=perf/core -Andi

