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Commit 8ca81eef authored by Kalesh Singh's avatar Kalesh Singh Committed by Automerger Merge Worker
Browse files

Merge "Provide an interface to query dmabuf GPU allocations" am: f403b562 am: b79232ce 

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1575583

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I78a2ddafc83a235a2eccb90abb5e074132d96365
parents fc95150f b79232ce

core/java/android/os/Debug.java

+7 −0
Original line number Diff line number Diff line
@@ -2583,6 +2583,13 @@ public final class Debug 
     */

    public static native long getIonPoolsSizeKb();



    /**

     * Return GPU DMA buffer usage in kB or -1 on error.

     *

     * @hide

     */

    public static native long getGpuDmaBufUsageKb();



    /**

     * Return DMA-BUF memory mapped by processes in kB.

     * Notes:

core/jni/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -206,6 +206,7 @@ cc_library_shared { 
            ],



            shared_libs: [

                "android.hardware.memtrack-unstable-ndk_platform",

                "libandroidicu",

                "libbpf_android",

                "libnetdbpf",

core/jni/android_os_Debug.cpp

+29 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <string>

#include <vector>



#include <aidl/android/hardware/memtrack/DeviceInfo.h>

#include <android-base/logging.h>

#include <bionic/malloc.h>

#include <debuggerd/client.h>
@@ -45,6 +46,7 @@ 
#include "jni.h"

#include <dmabufinfo/dmabuf_sysfs_stats.h>

#include <dmabufinfo/dmabufinfo.h>

#include <dmabufinfo/dmabuf_sysfs_stats.h>

#include <meminfo/procmeminfo.h>

#include <meminfo/sysmeminfo.h>

#include <memtrack/memtrack.h>
@@ -846,6 +848,31 @@ static jlong android_os_Debug_getDmabufHeapPoolsSizeKb(JNIEnv* env, jobject claz 
    return poolsSizeKb;

}



static jlong android_os_Debug_getGpuDmaBufUsageKb(JNIEnv* env, jobject clazz) {

    std::vector<aidl::android::hardware::memtrack::DeviceInfo> gpu_device_info;

    if (!memtrack_gpu_device_info(&gpu_device_info)) {

        return -1;

    }



    dmabufinfo::DmabufSysfsStats stats;

    if (!GetDmabufSysfsStats(&stats)) {

        return -1;

    }



    jlong sizeKb = 0;

    const auto& importer_stats = stats.importer_info();

    for (const auto& dev_info : gpu_device_info) {

        const auto& importer_info = importer_stats.find(dev_info.name);

        if (importer_info == importer_stats.end()) {

            continue;

        }



        sizeKb += importer_info->second.size;

    }



    return sizeKb;

}



static jlong android_os_Debug_getDmabufMappedSizeKb(JNIEnv* env, jobject clazz) {

    jlong dmabufPss = 0;

    std::vector<dmabufinfo::DmaBuffer> dmabufs;
@@ -954,6 +981,8 @@ static const JNINativeMethod gMethods[] = { 
            (void*)android_os_Debug_getIonHeapsSizeKb },

    { "getDmabufTotalExportedKb", "()J",

            (void*)android_os_Debug_getDmabufTotalExportedKb },

    { "getGpuDmaBufUsageKb", "()J",

            (void*)android_os_Debug_getGpuDmaBufUsageKb },

    { "getIonPoolsSizeKb", "()J",

            (void*)android_os_Debug_getIonPoolsSizeKb },

    { "getDmabufMappedSizeKb", "()J",

services/core/java/com/android/server/am/ActivityManagerService.java

+29 −4
Original line number Diff line number Diff line
@@ -13756,8 +13756,20 @@ public class ActivityManagerService extends IActivityManager.Stub 
            }

            final long gpuUsage = Debug.getGpuTotalUsageKb();

            if (gpuUsage >= 0) {

                final long gpuDmaBufUsage = Debug.getGpuDmaBufUsageKb();

                if (gpuDmaBufUsage >= 0) {

                    final long gpuPrivateUsage = gpuUsage - gpuDmaBufUsage;

                    pw.print("      GPU: ");

                    pw.print(stringifyKBSize(gpuUsage));

                    pw.print(" (");

                    pw.print(stringifyKBSize(gpuDmaBufUsage));

                    pw.print(" dmabuf + ");

                    pw.print(stringifyKBSize(gpuPrivateUsage));

                    pw.println(" private)");

                } else {

                    pw.print("      GPU: "); pw.println(stringifyKBSize(gpuUsage));

                }

            }















            /*















             * Note: ION/DMA-BUF heap pools are reclaimable and hence, they are included as part of










@@ -14586,10 +14598,23 @@ public class ActivityManagerService extends IActivityManager.Stub



























        final long gpuUsage = Debug.getGpuTotalUsageKb();















        if (gpuUsage >= 0) {













            final long gpuDmaBufUsage = Debug.getGpuDmaBufUsageKb();













            if (gpuDmaBufUsage >= 0) {













                final long gpuPrivateUsage = gpuUsage - gpuDmaBufUsage;













                memInfoBuilder.append("      GPU: ");













                memInfoBuilder.append(stringifyKBSize(gpuUsage));













                memInfoBuilder.append(" (");













                memInfoBuilder.append(stringifyKBSize(gpuDmaBufUsage));













                memInfoBuilder.append(" dmabuf + ");













                memInfoBuilder.append(stringifyKBSize(gpuPrivateUsage));













                memInfoBuilder.append(" private)\n");













            } else {















                memInfoBuilder.append("       GPU: ");















                memInfoBuilder.append(stringifyKBSize(gpuUsage));















                memInfoBuilder.append("\n");















            }

























        }















        memInfoBuilder.append("  Used RAM: ");















        memInfoBuilder.append(stringifyKBSize(















                                  totalPss - cachedPss + kernelUsed));