perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4305, 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, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = gettid()
process_vm_readv(r0, &(0x7f0000001a40)=[{&(0x7f00000018c0)=""/31, 0x1f}, {&(0x7f0000001b40)=""/124, 0x7a}, {&(0x7f0000001980)=""/161, 0xa1}], 0x3, &(0x7f0000001ec0)=[{&(0x7f0000001a80)=""/101, 0x65}, {&(0x7f0000002240)=""/183, 0xffffffbc}, {&(0x7f0000001bc0)=""/122, 0x7a}, {&(0x7f0000001c40)=""/163, 0xa3}, {&(0x7f0000001d00)=""/231, 0xe7}, {&(0x7f0000001e00)}, {&(0x7f0000001e40)=""/9, 0x9}, {&(0x7f0000001b00)=""/46, 0x2e}], 0x8, 0x0)
ioctl$BTRFS_IOC_DEV_INFO(0xffffffffffffffff, 0xd000941e, &(0x7f0000003080)={0x0, "1aaaa8aae701d5ca00"})
fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000140)={0x0, <r1=>0x0})
setpgid(0x0, r1)
ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, 0x0)