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Commit b79232ce 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

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic48e5f3dbf971e0a786795867ea02667fc9ee568
parents b8a2bb6a f403b562
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+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:
+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",
+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",
+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));