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Commit f4f632f9 authored by Kalesh Singh's avatar Kalesh Singh
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Memtrack HAL: Report global total GPU-private memory 

Update memtrack hal documentation to allow reporting the global
total GPU-private memory from the getMemory() API.

Specify how to handle unsupported memtrack operations.

Bug: 193226716
Bug: 193465681
Bug: 192621117
Test: N/A
Change-Id: I6fcebd16fafdc34cc662137784e86750ee907eee
Merged-In: I6fcebd16fafdc34cc662137784e86750ee907eee
parent ee86375d

memtrack/aidl/android/hardware/memtrack/IMemtrack.aidl

+9 −0
Original line number Diff line number Diff line
@@ -44,6 +44,12 @@ import android.hardware.memtrack.MemtrackType; 
 *     This category should report all GPU private allocations for the specified

 *     PID that are not accounted in /proc/<pid>/smaps.

 *

 *     getMemory() called with PID 0 should report the global total GPU-private

 *     memory, for MemtrackType::GL and MemtrackRecord::FLAG_SMAPS_UNACCOUNTED.

 *

 *     getMemory() called with PID 0 for a MemtrackType other than GL should

 *     report 0.

 *

 * - MemtrackType::OTHER and MemtrackRecord::FLAG_SMAPS_UNACCOUNTED

 *     Any other memory not accounted for in /proc/<pid>/smaps if any, otherwise

 *     this should return 0.
@@ -52,6 +58,9 @@ import android.hardware.memtrack.MemtrackType; 
 * VM_PFNMAP flag set. For these mappings PSS and RSS are reported as 0 in smaps.

 * Such mappings have no backing page structs from which PSS/RSS can be calculated.

 *

 * Any memtrack operation that is not supported should return a binder status with

 * exception code EX_UNSUPPORTED_OPERATION.

 *

 * Constructor for the interface should be used to perform memtrack management

 * setup actions and must be called once before any calls to getMemory().

 */