r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_trace_dev_match', 0x0, 0x0) mmap(&(0x7f0000272000/0x1000)=nil, 0x1000, 0x0, 0x1f012, r0, 0x0)