Add ION usage into dumpsys report and account ION pools as kernel cache
Report ION pools, ION mapped and unmapped heap sizes. Account ION pools
as kernel reclaimable memory which removes them from the "Lost RAM"
category.
Bug: 138148041
Test: dumpsys meminfo
Change-Id: Ica3e1c3f73656b1b937f2fc58c18e0157e02bf57
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 35774ed..1c4f1e3 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -12799,14 +12799,31 @@
pw.println(totalPss - cachedPss);
}
}
- long lostRAM = memInfo.getTotalSizeKb() - (totalPss - totalSwapPss)
+ long kernelUsed = memInfo.getKernelUsedSizeKb();
+ final long ionHeap = Debug.getIonHeapsSizeKb();
+ if (ionHeap > 0) {
+ final long ionMapped = Debug.getIonMappedSizeKb();
+ final long ionUnmapped = ionHeap - ionMapped;
+ final long ionPool = Debug.getIonPoolsSizeKb();
+ pw.print(" ION: ");
+ pw.print(stringifyKBSize(ionHeap + ionPool));
+ pw.print(" (");
+ pw.print(stringifyKBSize(ionMapped));
+ pw.print(" mapped + ");
+ pw.print(stringifyKBSize(ionUnmapped));
+ pw.print(" unmapped + ");
+ pw.print(stringifyKBSize(ionPool));
+ pw.println(" pools)");
+ kernelUsed += ionUnmapped;
+ }
+ final long lostRAM = memInfo.getTotalSizeKb() - (totalPss - totalSwapPss)
- memInfo.getFreeSizeKb() - memInfo.getCachedSizeKb()
- - memInfo.getKernelUsedSizeKb() - memInfo.getZramTotalSizeKb();
+ - kernelUsed - memInfo.getZramTotalSizeKb();
if (!opts.isCompact) {
pw.print(" Used RAM: "); pw.print(stringifyKBSize(totalPss - cachedPss
- + memInfo.getKernelUsedSizeKb())); pw.print(" (");
+ + kernelUsed)); pw.print(" (");
pw.print(stringifyKBSize(totalPss - cachedPss)); pw.print(" used pss + ");
- pw.print(stringifyKBSize(memInfo.getKernelUsedSizeKb())); pw.print(" kernel)\n");
+ pw.print(stringifyKBSize(kernelUsed)); pw.print(" kernel)\n");
pw.print(" Lost RAM: "); pw.println(stringifyKBSize(lostRAM));
} else {
pw.print("lostram,"); pw.println(lostRAM);
@@ -13525,14 +13542,25 @@
memInfoBuilder.append(stringifyKBSize(cachedPss + memInfo.getCachedSizeKb()
+ memInfo.getFreeSizeKb()));
memInfoBuilder.append("\n");
+ long kernelUsed = memInfo.getKernelUsedSizeKb();
+ final long ionHeap = Debug.getIonHeapsSizeKb();
+ if (ionHeap > 0) {
+ final long ionMapped = Debug.getIonMappedSizeKb();
+ final long ionUnmapped = ionHeap - ionMapped;
+ final long ionPool = Debug.getIonPoolsSizeKb();
+ memInfoBuilder.append(" ION: ");
+ memInfoBuilder.append(stringifyKBSize(ionHeap + ionPool));
+ memInfoBuilder.append("\n");
+ kernelUsed += ionUnmapped;
+ }
memInfoBuilder.append(" Used RAM: ");
memInfoBuilder.append(stringifyKBSize(
- totalPss - cachedPss + memInfo.getKernelUsedSizeKb()));
+ totalPss - cachedPss + kernelUsed));
memInfoBuilder.append("\n");
memInfoBuilder.append(" Lost RAM: ");
memInfoBuilder.append(stringifyKBSize(memInfo.getTotalSizeKb()
- (totalPss - totalSwapPss) - memInfo.getFreeSizeKb() - memInfo.getCachedSizeKb()
- - memInfo.getKernelUsedSizeKb() - memInfo.getZramTotalSizeKb()));
+ - kernelUsed - memInfo.getZramTotalSizeKb()));
memInfoBuilder.append("\n");
Slog.i(TAG, "Low on memory:");
Slog.i(TAG, shortNativeBuilder.toString());