r0 = perf_event_open(&(0x7f00000001c0)={0x2, 0x80, 0xf0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_INO_LOOKUP(r0, 0xd0009412, &(0x7f00000021c0)={0x0, 0x3}) r1 = fork() process_vm_readv(r1, &(0x7f0000000180)=[{&(0x7f00000002c0)=""/211, 0xd3}, {&(0x7f00000003c0)=""/96, 0x60}], 0x2, &(0x7f0000000280)=[{&(0x7f00000001c0)=""/109, 0x6d}, {&(0x7f0000000240)=""/27, 0x1e}, {&(0x7f00000011c0)=""/4096, 0xffffffde}], 0x3, 0x0)