r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_trace_dev_match', 0x0, 0x0)
preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000100)=""/137, 0x89}], 0x1, 0x0, 0x0)