r0 = eventfd2(0x0, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/pm_wakeup_irq', 0x0, 0x0)
sendfile(r0, r1, &(0x7f0000000000)=0xff, 0x103)