perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) pread64(r0, &(0x7f00000000c0)=""/32, 0x20, 0x2)