perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x0)