How i can dump IOKitDiagnostics classes data using idevicediagnostics

[Johnny314]

i am trying to dump IOKitDiagnositcs classes which is in following format
+-o Root <class IORegistryEntry, id 0x100000100, retain 35>
| {
| "IOKitBuildVersion" = "Darwin Kernel Version 19.3.0: Thu Jan 9 21:10:55 PST 2020; root:xnu-6153.82.3~1/RELEASE_ARM64_T8010"
| "OS Build Version" = "17D50"
| "OSKernelCPUSubtype" = 0
| "OSKernelCPUType" = 16777228
| "OSPrelinkKextCount" = 215
| "IORegistryPlanes" = {"IO80211Plane"="IO80211Plane","IOPower"="IOPower","IODeviceTree"="IODeviceTree","IOService"="IOService","IOAccessory"="IOAccessory","CoreCapture"="CoreCapture"}
| "IOConsoleLocked" = Yes
| "IOKitDiagnostics" = {"Instance allocation"=8553904,"Container allocation"=3256314,"Pageable allocation"=46743552,"Classes"={"NeighborCache"=1,"IOBioSEPSharedBufferFactory"=0,"AppleARMFunctionChargerMux"=0,"AppleS5L8920XPWM"=1}

[Johnny314]

@FunkyM please take a look

[msk521]

but when I use idevicediagnostics ioregentry IOAccessory ,returned empty