Merge "Refactor android_os_Debug to use androidprocheaps" into main (98706373) · Commits · e / os / android_frameworks_base

core/java/android/os/Debug.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -210,6 +210,7 @@ public final class Debug
		@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
		public boolean hasSwappedOutPss;

		// LINT.IfChange
		/** @hide */
		public static final int HEAP_UNKNOWN = 0;
		/** @hide */
		@@ -311,6 +312,7 @@ public final class Debug
		public static final int OTHER_ART_APP = 30;
		/** @hide */
		public static final int OTHER_ART_BOOT = 31;
		// LINT.ThenChange(/system/memory/libmeminfo/include/meminfo/androidprocheaps.h)
		/** @hide */
		public static final int OTHER_DVK_STAT_ART_START = OTHER_ART_APP - NUM_OTHER_STATS;
		/** @hide */

core/jni/android_os_Debug.cpp

+4 −240

Original line number	Diff line number	Diff line
		@@ -46,6 +46,7 @@
		#include "jni.h"
		#include <dmabufinfo/dmabuf_sysfs_stats.h>
		#include <dmabufinfo/dmabufinfo.h>
		#include <meminfo/androidprocheaps.h>
		#include <meminfo/procmeminfo.h>
		#include <meminfo/sysmeminfo.h>
		#include <memtrack/memtrack.h>
		@@ -57,56 +58,7 @@
		namespace android
		{

		enum {
		HEAP_UNKNOWN,
		HEAP_DALVIK,
		HEAP_NATIVE,

		HEAP_DALVIK_OTHER,
		HEAP_STACK,
		HEAP_CURSOR,
		HEAP_ASHMEM,
		HEAP_GL_DEV,
		HEAP_UNKNOWN_DEV,
		HEAP_SO,
		HEAP_JAR,
		HEAP_APK,
		HEAP_TTF,
		HEAP_DEX,
		HEAP_OAT,
		HEAP_ART,
		HEAP_UNKNOWN_MAP,
		HEAP_GRAPHICS,
		HEAP_GL,
		HEAP_OTHER_MEMTRACK,

		// Dalvik extra sections (heap).
		HEAP_DALVIK_NORMAL,
		HEAP_DALVIK_LARGE,
		HEAP_DALVIK_ZYGOTE,
		HEAP_DALVIK_NON_MOVING,

		// Dalvik other extra sections.
		HEAP_DALVIK_OTHER_LINEARALLOC,
		HEAP_DALVIK_OTHER_ACCOUNTING,
		HEAP_DALVIK_OTHER_ZYGOTE_CODE_CACHE,
		HEAP_DALVIK_OTHER_APP_CODE_CACHE,
		HEAP_DALVIK_OTHER_COMPILER_METADATA,
		HEAP_DALVIK_OTHER_INDIRECT_REFERENCE_TABLE,

		// Boot vdex / app dex / app vdex
		HEAP_DEX_BOOT_VDEX,
		HEAP_DEX_APP_DEX,
		HEAP_DEX_APP_VDEX,

		// App art, boot art.
		HEAP_ART_APP,
		HEAP_ART_BOOT,

		_NUM_HEAP,
		_NUM_EXCLUSIVE_HEAP = HEAP_OTHER_MEMTRACK+1,
		_NUM_CORE_HEAP = HEAP_NATIVE+1
		};
		using namespace android::meminfo;

		struct stat_fields {
		jfieldID pss_field;
		@@ -146,18 +98,6 @@ static stat_field_names stat_field_names[_NUM_CORE_HEAP] = {
		static jfieldID otherStats_field;
		static jfieldID hasSwappedOutPss_field;

		struct stats_t {
		int pss;
		int swappablePss;
		int rss;
		int privateDirty;
		int sharedDirty;
		int privateClean;
		int sharedClean;
		int swappedOut;
		int swappedOutPss;
		};

		#define BINDER_STATS "/proc/binder/stats"

		static jlong android_os_Debug_getNativeHeapSize(JNIEnv *env, jobject clazz)
		@@ -240,190 +180,14 @@ static int read_memtrack_memory(int pid, struct graphics_memory_pss* graphics_me
		return err;
		}

		static bool load_maps(int pid, stats_t* stats, bool* foundSwapPss)
		{
		*foundSwapPss = false;
		uint64_t prev_end = 0;
		int prev_heap = HEAP_UNKNOWN;

		std::string smaps_path = base::StringPrintf("/proc/%d/smaps", pid);
		auto vma_scan = [&](const meminfo::Vma& vma) {
		int which_heap = HEAP_UNKNOWN;
		int sub_heap = HEAP_UNKNOWN;
		bool is_swappable = false;
		std::string name;
		if (base::EndsWith(vma.name, " (deleted)")) {
		name = vma.name.substr(0, vma.name.size() - strlen(" (deleted)"));
		} else {
		name = vma.name;
		}

		uint32_t namesz = name.size();
		if (base::StartsWith(name, "[heap]")) {
		which_heap = HEAP_NATIVE;
		} else if (base::StartsWith(name, "[anon:libc_malloc]")) {
		which_heap = HEAP_NATIVE;
		} else if (base::StartsWith(name, "[anon:scudo:")) {
		which_heap = HEAP_NATIVE;
		} else if (base::StartsWith(name, "[anon:GWP-ASan")) {
		which_heap = HEAP_NATIVE;
		} else if (base::StartsWith(name, "[stack")) {
		which_heap = HEAP_STACK;
		} else if (base::StartsWith(name, "[anon:stack_and_tls:")) {
		which_heap = HEAP_STACK;
		} else if (base::EndsWith(name, ".so")) {
		which_heap = HEAP_SO;
		is_swappable = true;
		} else if (base::EndsWith(name, ".jar")) {
		which_heap = HEAP_JAR;
		is_swappable = true;
		} else if (base::EndsWith(name, ".apk")) {
		which_heap = HEAP_APK;
		is_swappable = true;
		} else if (base::EndsWith(name, ".ttf")) {
		which_heap = HEAP_TTF;
		is_swappable = true;
		} else if ((base::EndsWith(name, ".odex")) \|\|
		(namesz > 4 && strstr(name.c_str(), ".dex") != nullptr)) {
		which_heap = HEAP_DEX;
		sub_heap = HEAP_DEX_APP_DEX;
		is_swappable = true;
		} else if (base::EndsWith(name, ".vdex")) {
		which_heap = HEAP_DEX;
		// Handle system@framework@boot and system/framework/boot\|apex
		if ((strstr(name.c_str(), "@boot") != nullptr) \|\|
		(strstr(name.c_str(), "/boot") != nullptr) \|\|
		(strstr(name.c_str(), "/apex") != nullptr)) {
		sub_heap = HEAP_DEX_BOOT_VDEX;
		} else {
		sub_heap = HEAP_DEX_APP_VDEX;
		}
		is_swappable = true;
		} else if (base::EndsWith(name, ".oat")) {
		which_heap = HEAP_OAT;
		is_swappable = true;
		} else if (base::EndsWith(name, ".art") \|\| base::EndsWith(name, ".art]")) {
		which_heap = HEAP_ART;
		// Handle system@framework@boot* and system/framework/boot\|apex*
		if ((strstr(name.c_str(), "@boot") != nullptr) \|\|
		(strstr(name.c_str(), "/boot") != nullptr) \|\|
		(strstr(name.c_str(), "/apex") != nullptr)) {
		sub_heap = HEAP_ART_BOOT;
		} else {
		sub_heap = HEAP_ART_APP;
		}
		is_swappable = true;
		} else if (base::StartsWith(name, "/dev/")) {
		which_heap = HEAP_UNKNOWN_DEV;
		if (base::StartsWith(name, "/dev/kgsl-3d0")) {
		which_heap = HEAP_GL_DEV;
		} else if (base::StartsWith(name, "/dev/ashmem/CursorWindow")) {
		which_heap = HEAP_CURSOR;
		} else if (base::StartsWith(name, "/dev/ashmem/jit-zygote-cache")) {
		which_heap = HEAP_DALVIK_OTHER;
		sub_heap = HEAP_DALVIK_OTHER_ZYGOTE_CODE_CACHE;
		} else if (base::StartsWith(name, "/dev/ashmem")) {
		which_heap = HEAP_ASHMEM;
		}
		} else if (base::StartsWith(name, "/memfd:jit-cache")) {
		which_heap = HEAP_DALVIK_OTHER;
		sub_heap = HEAP_DALVIK_OTHER_APP_CODE_CACHE;
		} else if (base::StartsWith(name, "/memfd:jit-zygote-cache")) {
		which_heap = HEAP_DALVIK_OTHER;
		sub_heap = HEAP_DALVIK_OTHER_ZYGOTE_CODE_CACHE;
		} else if (base::StartsWith(name, "[anon:")) {
		which_heap = HEAP_UNKNOWN;
		if (base::StartsWith(name, "[anon:dalvik-")) {
		which_heap = HEAP_DALVIK_OTHER;
		if (base::StartsWith(name, "[anon:dalvik-LinearAlloc")) {
		sub_heap = HEAP_DALVIK_OTHER_LINEARALLOC;
		} else if (base::StartsWith(name, "[anon:dalvik-alloc space") \|\|
		base::StartsWith(name, "[anon:dalvik-main space")) {
		// This is the regular Dalvik heap.
		which_heap = HEAP_DALVIK;
		sub_heap = HEAP_DALVIK_NORMAL;
		} else if (base::StartsWith(name,
		"[anon:dalvik-large object space") \|\|
		base::StartsWith(
		name, "[anon:dalvik-free list large object space")) {
		which_heap = HEAP_DALVIK;
		sub_heap = HEAP_DALVIK_LARGE;
		} else if (base::StartsWith(name, "[anon:dalvik-non moving space")) {
		which_heap = HEAP_DALVIK;
		sub_heap = HEAP_DALVIK_NON_MOVING;
		} else if (base::StartsWith(name, "[anon:dalvik-zygote space")) {
		which_heap = HEAP_DALVIK;
		sub_heap = HEAP_DALVIK_ZYGOTE;
		} else if (base::StartsWith(name, "[anon:dalvik-indirect ref")) {
		sub_heap = HEAP_DALVIK_OTHER_INDIRECT_REFERENCE_TABLE;
		} else if (base::StartsWith(name, "[anon:dalvik-jit-code-cache") \|\|
		base::StartsWith(name, "[anon:dalvik-data-code-cache")) {
		sub_heap = HEAP_DALVIK_OTHER_APP_CODE_CACHE;
		} else if (base::StartsWith(name, "[anon:dalvik-CompilerMetadata")) {
		sub_heap = HEAP_DALVIK_OTHER_COMPILER_METADATA;
		} else {
		sub_heap = HEAP_DALVIK_OTHER_ACCOUNTING; // Default to accounting.
		}
		}
		} else if (namesz > 0) {
		which_heap = HEAP_UNKNOWN_MAP;
		} else if (vma.start == prev_end && prev_heap == HEAP_SO) {
		// bss section of a shared library
		which_heap = HEAP_SO;
		}

		prev_end = vma.end;
		prev_heap = which_heap;

		const meminfo::MemUsage& usage = vma.usage;
		if (usage.swap_pss > 0 && *foundSwapPss != true) {
		*foundSwapPss = true;
		}

		uint64_t swapable_pss = 0;
		if (is_swappable && (usage.pss > 0)) {
		float sharing_proportion = 0.0;
		if ((usage.shared_clean > 0) \|\| (usage.shared_dirty > 0)) {
		sharing_proportion = (usage.pss - usage.uss) / (usage.shared_clean + usage.shared_dirty);
		}
		swapable_pss = (sharing_proportion * usage.shared_clean) + usage.private_clean;
		}

		stats[which_heap].pss += usage.pss;
		stats[which_heap].swappablePss += swapable_pss;
		stats[which_heap].rss += usage.rss;
		stats[which_heap].privateDirty += usage.private_dirty;
		stats[which_heap].sharedDirty += usage.shared_dirty;
		stats[which_heap].privateClean += usage.private_clean;
		stats[which_heap].sharedClean += usage.shared_clean;
		stats[which_heap].swappedOut += usage.swap;
		stats[which_heap].swappedOutPss += usage.swap_pss;
		if (which_heap == HEAP_DALVIK \|\| which_heap == HEAP_DALVIK_OTHER \|\|
		which_heap == HEAP_DEX \|\| which_heap == HEAP_ART) {
		stats[sub_heap].pss += usage.pss;
		stats[sub_heap].swappablePss += swapable_pss;
		stats[sub_heap].rss += usage.rss;
		stats[sub_heap].privateDirty += usage.private_dirty;
		stats[sub_heap].sharedDirty += usage.shared_dirty;
		stats[sub_heap].privateClean += usage.private_clean;
		stats[sub_heap].sharedClean += usage.shared_clean;
		stats[sub_heap].swappedOut += usage.swap;
		stats[sub_heap].swappedOutPss += usage.swap_pss;
		}
		return true;
		};

		return meminfo::ForEachVmaFromFile(smaps_path, vma_scan);
		}

		static jboolean android_os_Debug_getDirtyPagesPid(JNIEnv *env, jobject clazz,
		jint pid, jobject object)
		{
		bool foundSwapPss;
		stats_t stats[_NUM_HEAP];
		AndroidHeapStats stats[_NUM_HEAP];
		memset(&stats, 0, sizeof(stats));

		if (!load_maps(pid, stats, &foundSwapPss)) {
		if (!ExtractAndroidHeapStats(pid, stats, &foundSwapPss)) {
		return JNI_FALSE;
		}