Add total size of DMA-BUFs exported to 'dumpsys meminfo' am: 363d44d7a0 am: 8bff83e9ff
Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1564878
MUST ONLY BE SUBMITTED BY AUTOMERGER
Change-Id: I785980e4fffc757be8ee269adf0b8e6e151e8dc9
diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index c06c2ce..5b2bef3 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -2551,6 +2551,14 @@
public static native long getZramFreeKb();
/**
+ * Return total memory size in kilobytes for exported DMA-BUFs or -1 if
+ * the DMA-BUF sysfs stats at /sys/kernel/dmabuf/buffers could not be read.
+ *
+ * @hide
+ */
+ public static native long getDmabufTotalExportedKb();
+
+ /**
* Return memory size in kilobytes allocated for ION heaps or -1 if
* /sys/kernel/ion/total_heaps_kb could not be read.
*
diff --git a/core/jni/android_os_Debug.cpp b/core/jni/android_os_Debug.cpp
index 4dacd91..e0a3f2a 100644
--- a/core/jni/android_os_Debug.cpp
+++ b/core/jni/android_os_Debug.cpp
@@ -43,6 +43,7 @@
#include <nativehelper/JNIPlatformHelp.h>
#include <nativehelper/ScopedUtfChars.h>
#include "jni.h"
+#include <dmabufinfo/dmabuf_sysfs_stats.h>
#include <dmabufinfo/dmabufinfo.h>
#include <meminfo/procmeminfo.h>
#include <meminfo/sysmeminfo.h>
@@ -802,6 +803,16 @@
return heapsSizeKb;
}
+static jlong android_os_Debug_getDmabufTotalExportedKb(JNIEnv* env, jobject clazz) {
+ jlong dmabufTotalSizeKb = -1;
+ uint64_t size;
+
+ if (dmabufinfo::GetDmabufTotalExportedKb(&size)) {
+ dmabufTotalSizeKb = size;
+ }
+ return dmabufTotalSizeKb;
+}
+
static jlong android_os_Debug_getIonPoolsSizeKb(JNIEnv* env, jobject clazz) {
jlong poolsSizeKb = -1;
uint64_t size;
@@ -919,6 +930,8 @@
(void*)android_os_Debug_getFreeZramKb },
{ "getIonHeapsSizeKb", "()J",
(void*)android_os_Debug_getIonHeapsSizeKb },
+ { "getDmabufTotalExportedKb", "()J",
+ (void*)android_os_Debug_getDmabufTotalExportedKb },
{ "getIonPoolsSizeKb", "()J",
(void*)android_os_Debug_getIonPoolsSizeKb },
{ "getDmabufMappedSizeKb", "()J",
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index c4c5c0c..8db7a69 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -13720,13 +13720,13 @@
long kernelUsed = memInfo.getKernelUsedSizeKb();
final long ionHeap = Debug.getIonHeapsSizeKb();
final long ionPool = Debug.getIonPoolsSizeKb();
+ final long dmabufMapped = Debug.getDmabufMappedSizeKb();
if (ionHeap >= 0 && ionPool >= 0) {
- final long ionMapped = Debug.getDmabufMappedSizeKb();
- final long ionUnmapped = ionHeap - ionMapped;
+ final long ionUnmapped = ionHeap - dmabufMapped;
pw.print(" ION: ");
pw.print(stringifyKBSize(ionHeap + ionPool));
pw.print(" (");
- pw.print(stringifyKBSize(ionMapped));
+ pw.print(stringifyKBSize(dmabufMapped));
pw.print(" mapped + ");
pw.print(stringifyKBSize(ionUnmapped));
pw.print(" unmapped + ");
@@ -13735,6 +13735,20 @@
// Note: mapped ION memory is not accounted in PSS due to VM_PFNMAP flag being
// set on ION VMAs, therefore consider the entire ION heap as used kernel memory
kernelUsed += ionHeap;
+ } else {
+ final long totalExportedDmabuf = Debug.getDmabufTotalExportedKb();
+ if (totalExportedDmabuf >= 0) {
+ final long dmabufUnmapped = totalExportedDmabuf - dmabufMapped;
+ pw.print("DMA-BUF: ");
+ pw.print(stringifyKBSize(totalExportedDmabuf));
+ pw.print(" (");
+ pw.print(stringifyKBSize(dmabufMapped));
+ pw.print(" mapped + ");
+ pw.print(stringifyKBSize(dmabufUnmapped));
+ pw.println(" unmapped)");
+ // TODO(b/167709539): also add pooled memory from DMA-BUF heaps
+ kernelUsed += totalExportedDmabuf;
+ }
}
final long gpuUsage = Debug.getGpuTotalUsageKb();
if (gpuUsage >= 0) {
@@ -14539,15 +14553,23 @@
final long ionHeap = Debug.getIonHeapsSizeKb();
final long ionPool = Debug.getIonPoolsSizeKb();
if (ionHeap >= 0 && ionPool >= 0) {
- final long ionMapped = Debug.getDmabufMappedSizeKb();
- final long ionUnmapped = ionHeap - ionMapped;
memInfoBuilder.append(" ION: ");
memInfoBuilder.append(stringifyKBSize(ionHeap + ionPool));
memInfoBuilder.append("\n");
// Note: mapped ION memory is not accounted in PSS due to VM_PFNMAP flag being
// set on ION VMAs, therefore consider the entire ION heap as used kernel memory
kernelUsed += ionHeap;
+ } else {
+ final long totalExportedDmabuf = Debug.getDmabufTotalExportedKb();
+ if (totalExportedDmabuf >= 0) {
+ memInfoBuilder.append("DMA-BUF: ");
+ memInfoBuilder.append(stringifyKBSize(totalExportedDmabuf));
+ memInfoBuilder.append("\n");
+ // TODO(b/167709539): also add pooled memory from DMA-BUF heaps
+ kernelUsed += totalExportedDmabuf;
+ }
}
+
final long gpuUsage = Debug.getGpuTotalUsageKb();
if (gpuUsage >= 0) {
memInfoBuilder.append(" GPU: ");