r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x20001, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
writev(r0, &(0x7f0000000200)=[{&(0x7f00000000c0)="ba", 0x1}], 0x1)