ioprio_set$pid(0x2, 0x0, 0x0)
sched_setscheduler(0x0, 0x5, &(0x7f0000000000))
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000700)='/proc/stat\x00', 0x0, 0x0)
pread64(r0, 0x0, 0x0, 0x0)