perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0xc02, 0x0) write$binfmt_elf64(r0, &(0x7f0000000a00)=ANY=[], 0x98a) readv(r0, &(0x7f0000000100)=[{&(0x7f0000001340)=""/4096, 0x1000}], 0x1)