r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/slabinfo\x00', 0x0, 0x0)
pread64(r0, &(0x7f0000000000)=""/47, 0xffffffa8, 0x0)
openat$sysfs(0xffffffffffffff9c, &(0x7f0000000800)='/sys/bus/clocksource', 0x0, 0x0)