core/jni/android_os_Debug.cpp - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2007 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include "JNIHelp.h"
 #include "jni.h"
 #include "utils/misc.h"

 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <time.h>
 #include <sys/time.h>

 #ifdef HAVE_MALLOC_H
 #include <malloc.h>
 #endif

 namespace android
 {

 static jfieldID dalvikPss_field;
 static jfieldID dalvikPrivateDirty_field;
 static jfieldID dalvikSharedDirty_field;
 static jfieldID nativePss_field;
 static jfieldID nativePrivateDirty_field;
 static jfieldID nativeSharedDirty_field;
 static jfieldID otherPss_field;
 static jfieldID otherPrivateDirty_field;
 static jfieldID otherSharedDirty_field;

 struct stats_t {
     int dalvikPss;
     int dalvikPrivateDirty;
     int dalvikSharedDirty;

     int nativePss;
     int nativePrivateDirty;
     int nativeSharedDirty;

     int otherPss;
     int otherPrivateDirty;
     int otherSharedDirty;
 };

 #define BINDER_STATS "/proc/binder/stats"

 static jlong android_os_Debug_getNativeHeapSize(JNIEnv *env, jobject clazz)
 {
 #ifdef HAVE_MALLOC_H
     struct mallinfo info = mallinfo();
     return (jlong) info.usmblks;
 #else
     return -1;
 #endif
 }

 static jlong android_os_Debug_getNativeHeapAllocatedSize(JNIEnv *env, jobject clazz)
 {
 #ifdef HAVE_MALLOC_H
     struct mallinfo info = mallinfo();
     return (jlong) info.uordblks;
 #else
     return -1;
 #endif
 }

 static jlong android_os_Debug_getNativeHeapFreeSize(JNIEnv *env, jobject clazz)
 {
 #ifdef HAVE_MALLOC_H
     struct mallinfo info = mallinfo();
     return (jlong) info.fordblks;
 #else
     return -1;
 #endif
 }

 static void read_mapinfo(FILE *fp, stats_t* stats)
 {
     char line[1024];
     int len;
     bool skip, done = false;

     unsigned start = 0, size = 0, resident = 0, pss = 0;
     unsigned shared_clean = 0, shared_dirty = 0;
     unsigned private_clean = 0, private_dirty = 0;
     unsigned referenced = 0;
     unsigned temp;

     int isNativeHeap;
     int isDalvikHeap;
     int isSqliteHeap;

     if(fgets(line, 1024, fp) == 0) return;

     while (!done) {
         isNativeHeap = 0;
         isDalvikHeap = 0;
         isSqliteHeap = 0;
         skip = false;

         len = strlen(line);
         if (len < 1) return;
         line[--len] = 0;

         /* ignore guard pages */
         if (len > 18 && line[17] == '-') skip = true;

         start = strtoul(line, 0, 16);

         if (strstr(line, "[heap]")) {
             isNativeHeap = 1;
         } else if (strstr(line, "/dalvik-LinearAlloc")) {
             isDalvikHeap = 1;
         } else if (strstr(line, "/mspace/dalvik-heap")) {
             isDalvikHeap = 1;
         } else if (strstr(line, "/dalvik-heap-bitmap/")) {
             isDalvikHeap = 1;
         } else if (strstr(line, "/data/dalvik-cache/")) {
             isDalvikHeap = 1;
         } else if (strstr(line, "/tmp/sqlite-heap")) {
             isSqliteHeap = 1;
         }

         //LOGI("native=%d dalvik=%d sqlite=%d: %s\n", isNativeHeap, isDalvikHeap,
         //    isSqliteHeap, line);

         while (true) {
             if (fgets(line, 1024, fp) == 0) {
                 done = true;
                 break;
             }

             if (sscanf(line, "Size: %d kB", &temp) == 1) {
                 size = temp;
             } else if (sscanf(line, "Rss: %d kB", &temp) == 1) {
                 resident = temp;
             } else if (sscanf(line, "Pss: %d kB", &temp) == 1) {
                 pss = temp;
             } else if (sscanf(line, "Shared_Clean: %d kB", &temp) == 1) {
                 shared_clean = temp;
             } else if (sscanf(line, "Shared_Dirty: %d kB", &temp) == 1) {
                 shared_dirty = temp;
             } else if (sscanf(line, "Private_Clean: %d kB", &temp) == 1) {
                 private_clean = temp;
             } else if (sscanf(line, "Private_Dirty: %d kB", &temp) == 1) {
                 private_dirty = temp;
             } else if (sscanf(line, "Referenced: %d kB", &temp) == 1) {
                 referenced = temp;
             } else if (strlen(line) > 30 && line[8] == '-' && line[17] == ' ') {
                 // looks like a new mapping
                 // example: "10000000-10001000 ---p 10000000 00:00 0"
                 break;
             }
         }

         if (!skip) {
             if (isNativeHeap) {
                 stats->nativePss += pss;
                 stats->nativePrivateDirty += private_dirty;
                 stats->nativeSharedDirty += shared_dirty;
             } else if (isDalvikHeap) {
                 stats->dalvikPss += pss;
                 stats->dalvikPrivateDirty += private_dirty;
                 stats->dalvikSharedDirty += shared_dirty;
             } else if ( isSqliteHeap) {
                 // ignore
             } else {
                 stats->otherPss += pss;
                 stats->otherPrivateDirty += private_dirty;
                 stats->otherSharedDirty += shared_dirty;
             }
         }
     }
 }

 static void load_maps(int pid, stats_t* stats)
 {
     char tmp[128];
     FILE *fp;

     sprintf(tmp, "/proc/%d/smaps", pid);
     fp = fopen(tmp, "r");
     if (fp == 0) return;

     read_mapinfo(fp, stats);
     fclose(fp);
 }

 static void android_os_Debug_getDirtyPagesPid(JNIEnv *env, jobject clazz,
         jint pid, jobject object)
 {
     stats_t stats;
     memset(&stats, 0, sizeof(stats_t));

     load_maps(pid, &stats);

     env->SetIntField(object, dalvikPss_field, stats.dalvikPss);
     env->SetIntField(object, dalvikPrivateDirty_field, stats.dalvikPrivateDirty);
     env->SetIntField(object, dalvikSharedDirty_field, stats.dalvikSharedDirty);

     env->SetIntField(object, nativePss_field, stats.nativePss);
     env->SetIntField(object, nativePrivateDirty_field, stats.nativePrivateDirty);
     env->SetIntField(object, nativeSharedDirty_field, stats.nativeSharedDirty);

     env->SetIntField(object, otherPss_field, stats.otherPss);
     env->SetIntField(object, otherPrivateDirty_field, stats.otherPrivateDirty);
     env->SetIntField(object, otherSharedDirty_field, stats.otherSharedDirty);
 }

 static void android_os_Debug_getDirtyPages(JNIEnv *env, jobject clazz, jobject object)
 {
     android_os_Debug_getDirtyPagesPid(env, clazz, getpid(), object);
 }

 static jint read_binder_stat(const char* stat)
 {
     FILE* fp = fopen(BINDER_STATS, "r");
     if (fp == NULL) {
         return -1;
     }

     char line[1024];

     char compare[128];
     int len = snprintf(compare, 128, "proc %d", getpid());

     // loop until we have the block that represents this process
     do {
         if (fgets(line, 1024, fp) == 0) {
             return -1;
         }
     } while (strncmp(compare, line, len));

     // now that we have this process, read until we find the stat that we are looking for
     len = snprintf(compare, 128, "  %s: ", stat);

     do {
         if (fgets(line, 1024, fp) == 0) {
             return -1;
         }
     } while (strncmp(compare, line, len));

     // we have the line, now increment the line ptr to the value
     char* ptr = line + len;
     return atoi(ptr);
 }

 static jint android_os_Debug_getBinderSentTransactions(JNIEnv *env, jobject clazz)
 {
     return read_binder_stat("bcTRANSACTION");
 }

 static jint android_os_getBinderReceivedTransactions(JNIEnv *env, jobject clazz)
 {
     return read_binder_stat("brTRANSACTION");
 }

 // these are implemented in android_util_Binder.cpp
 jint android_os_Debug_getLocalObjectCount(JNIEnv* env, jobject clazz);
 jint android_os_Debug_getProxyObjectCount(JNIEnv* env, jobject clazz);
 jint android_os_Debug_getDeathObjectCount(JNIEnv* env, jobject clazz);

 /*
  * JNI registration.
  */

 static JNINativeMethod gMethods[] = {
     { "getNativeHeapSize",      "()J",
             (void*) android_os_Debug_getNativeHeapSize },
     { "getNativeHeapAllocatedSize", "()J",
             (void*) android_os_Debug_getNativeHeapAllocatedSize },
     { "getNativeHeapFreeSize",  "()J",
             (void*) android_os_Debug_getNativeHeapFreeSize },
     { "getMemoryInfo",          "(Landroid/os/Debug$MemoryInfo;)V",
             (void*) android_os_Debug_getDirtyPages },
     { "getMemoryInfo",          "(ILandroid/os/Debug$MemoryInfo;)V",
             (void*) android_os_Debug_getDirtyPagesPid },
     { "getBinderSentTransactions", "()I",
             (void*) android_os_Debug_getBinderSentTransactions },
     { "getBinderReceivedTransactions", "()I",
             (void*) android_os_getBinderReceivedTransactions },
     { "getBinderLocalObjectCount", "()I",
             (void*)android_os_Debug_getLocalObjectCount },
     { "getBinderProxyObjectCount", "()I",
             (void*)android_os_Debug_getProxyObjectCount },
     { "getBinderDeathObjectCount", "()I",
             (void*)android_os_Debug_getDeathObjectCount },
 };

 int register_android_os_Debug(JNIEnv *env)
 {
     jclass clazz = env->FindClass("android/os/Debug$MemoryInfo");

     dalvikPss_field = env->GetFieldID(clazz, "dalvikPss", "I");
     dalvikPrivateDirty_field = env->GetFieldID(clazz, "dalvikPrivateDirty", "I");
     dalvikSharedDirty_field = env->GetFieldID(clazz, "dalvikSharedDirty", "I");

     nativePss_field = env->GetFieldID(clazz, "nativePss", "I");
     nativePrivateDirty_field = env->GetFieldID(clazz, "nativePrivateDirty", "I");
     nativeSharedDirty_field = env->GetFieldID(clazz, "nativeSharedDirty", "I");

     otherPss_field = env->GetFieldID(clazz, "otherPss", "I");
     otherPrivateDirty_field = env->GetFieldID(clazz, "otherPrivateDirty", "I");
     otherSharedDirty_field = env->GetFieldID(clazz, "otherSharedDirty", "I");

     return jniRegisterNativeMethods(env, "android/os/Debug", gMethods, NELEM(gMethods));
 }

 };
	/*
	* Copyright (C) 2007 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "JNIHelp.h"
	#include "jni.h"
	#include "utils/misc.h"

	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <unistd.h>
	#include <time.h>
	#include <sys/time.h>

	#ifdef HAVE_MALLOC_H
	#include <malloc.h>
	#endif

	namespace android
	{

	static jfieldID dalvikPss_field;
	static jfieldID dalvikPrivateDirty_field;
	static jfieldID dalvikSharedDirty_field;
	static jfieldID nativePss_field;
	static jfieldID nativePrivateDirty_field;
	static jfieldID nativeSharedDirty_field;
	static jfieldID otherPss_field;
	static jfieldID otherPrivateDirty_field;
	static jfieldID otherSharedDirty_field;

	struct stats_t {
	int dalvikPss;
	int dalvikPrivateDirty;
	int dalvikSharedDirty;

	int nativePss;
	int nativePrivateDirty;
	int nativeSharedDirty;

	int otherPss;
	int otherPrivateDirty;
	int otherSharedDirty;
	};

	#define BINDER_STATS "/proc/binder/stats"

	static jlong android_os_Debug_getNativeHeapSize(JNIEnv *env, jobject clazz)
	{
	#ifdef HAVE_MALLOC_H
	struct mallinfo info = mallinfo();
	return (jlong) info.usmblks;
	#else
	return -1;
	#endif
	}

	static jlong android_os_Debug_getNativeHeapAllocatedSize(JNIEnv *env, jobject clazz)
	{
	#ifdef HAVE_MALLOC_H
	struct mallinfo info = mallinfo();
	return (jlong) info.uordblks;
	#else
	return -1;
	#endif
	}

	static jlong android_os_Debug_getNativeHeapFreeSize(JNIEnv *env, jobject clazz)
	{
	#ifdef HAVE_MALLOC_H
	struct mallinfo info = mallinfo();
	return (jlong) info.fordblks;
	#else
	return -1;
	#endif
	}

	static void read_mapinfo(FILE fp, stats_t stats)
	{
	char line[1024];
	int len;
	bool skip, done = false;

	unsigned start = 0, size = 0, resident = 0, pss = 0;
	unsigned shared_clean = 0, shared_dirty = 0;
	unsigned private_clean = 0, private_dirty = 0;
	unsigned referenced = 0;
	unsigned temp;

	int isNativeHeap;
	int isDalvikHeap;
	int isSqliteHeap;

	if(fgets(line, 1024, fp) == 0) return;

	while (!done) {
	isNativeHeap = 0;
	isDalvikHeap = 0;
	isSqliteHeap = 0;
	skip = false;

	len = strlen(line);
	if (len < 1) return;
	line[--len] = 0;

	/* ignore guard pages */
	if (len > 18 && line[17] == '-') skip = true;

	start = strtoul(line, 0, 16);

	if (strstr(line, "[heap]")) {
	isNativeHeap = 1;
	} else if (strstr(line, "/dalvik-LinearAlloc")) {
	isDalvikHeap = 1;
	} else if (strstr(line, "/mspace/dalvik-heap")) {
	isDalvikHeap = 1;
	} else if (strstr(line, "/dalvik-heap-bitmap/")) {
	isDalvikHeap = 1;
	} else if (strstr(line, "/data/dalvik-cache/")) {
	isDalvikHeap = 1;
	} else if (strstr(line, "/tmp/sqlite-heap")) {
	isSqliteHeap = 1;
	}

	//LOGI("native=%d dalvik=%d sqlite=%d: %s\n", isNativeHeap, isDalvikHeap,
	// isSqliteHeap, line);

	while (true) {
	if (fgets(line, 1024, fp) == 0) {
	done = true;
	break;
	}

	if (sscanf(line, "Size: %d kB", &temp) == 1) {
	size = temp;
	} else if (sscanf(line, "Rss: %d kB", &temp) == 1) {
	resident = temp;
	} else if (sscanf(line, "Pss: %d kB", &temp) == 1) {
	pss = temp;
	} else if (sscanf(line, "Shared_Clean: %d kB", &temp) == 1) {
	shared_clean = temp;
	} else if (sscanf(line, "Shared_Dirty: %d kB", &temp) == 1) {
	shared_dirty = temp;
	} else if (sscanf(line, "Private_Clean: %d kB", &temp) == 1) {
	private_clean = temp;
	} else if (sscanf(line, "Private_Dirty: %d kB", &temp) == 1) {
	private_dirty = temp;
	} else if (sscanf(line, "Referenced: %d kB", &temp) == 1) {
	referenced = temp;
	} else if (strlen(line) > 30 && line[8] == '-' && line[17] == ' ') {
	// looks like a new mapping
	// example: "10000000-10001000 ---p 10000000 00:00 0"
	break;
	}
	}

	if (!skip) {
	if (isNativeHeap) {
	stats->nativePss += pss;
	stats->nativePrivateDirty += private_dirty;
	stats->nativeSharedDirty += shared_dirty;
	} else if (isDalvikHeap) {
	stats->dalvikPss += pss;
	stats->dalvikPrivateDirty += private_dirty;
	stats->dalvikSharedDirty += shared_dirty;
	} else if ( isSqliteHeap) {
	// ignore
	} else {
	stats->otherPss += pss;
	stats->otherPrivateDirty += private_dirty;
	stats->otherSharedDirty += shared_dirty;
	}
	}
	}
	}

	static void load_maps(int pid, stats_t* stats)
	{
	char tmp[128];
	FILE *fp;

	sprintf(tmp, "/proc/%d/smaps", pid);
	fp = fopen(tmp, "r");
	if (fp == 0) return;

	read_mapinfo(fp, stats);
	fclose(fp);
	}

	static void android_os_Debug_getDirtyPagesPid(JNIEnv *env, jobject clazz,
	jint pid, jobject object)
	{
	stats_t stats;
	memset(&stats, 0, sizeof(stats_t));

	load_maps(pid, &stats);

	env->SetIntField(object, dalvikPss_field, stats.dalvikPss);
	env->SetIntField(object, dalvikPrivateDirty_field, stats.dalvikPrivateDirty);
	env->SetIntField(object, dalvikSharedDirty_field, stats.dalvikSharedDirty);

	env->SetIntField(object, nativePss_field, stats.nativePss);
	env->SetIntField(object, nativePrivateDirty_field, stats.nativePrivateDirty);
	env->SetIntField(object, nativeSharedDirty_field, stats.nativeSharedDirty);

	env->SetIntField(object, otherPss_field, stats.otherPss);
	env->SetIntField(object, otherPrivateDirty_field, stats.otherPrivateDirty);
	env->SetIntField(object, otherSharedDirty_field, stats.otherSharedDirty);
	}

	static void android_os_Debug_getDirtyPages(JNIEnv *env, jobject clazz, jobject object)
	{
	android_os_Debug_getDirtyPagesPid(env, clazz, getpid(), object);
	}

	static jint read_binder_stat(const char* stat)
	{
	FILE* fp = fopen(BINDER_STATS, "r");
	if (fp == NULL) {
	return -1;
	}

	char line[1024];

	char compare[128];
	int len = snprintf(compare, 128, "proc %d", getpid());

	// loop until we have the block that represents this process
	do {
	if (fgets(line, 1024, fp) == 0) {
	return -1;
	}
	} while (strncmp(compare, line, len));

	// now that we have this process, read until we find the stat that we are looking for
	len = snprintf(compare, 128, " %s: ", stat);

	do {
	if (fgets(line, 1024, fp) == 0) {
	return -1;
	}
	} while (strncmp(compare, line, len));

	// we have the line, now increment the line ptr to the value
	char* ptr = line + len;
	return atoi(ptr);
	}

	static jint android_os_Debug_getBinderSentTransactions(JNIEnv *env, jobject clazz)
	{
	return read_binder_stat("bcTRANSACTION");
	}

	static jint android_os_getBinderReceivedTransactions(JNIEnv *env, jobject clazz)
	{
	return read_binder_stat("brTRANSACTION");
	}

	// these are implemented in android_util_Binder.cpp
	jint android_os_Debug_getLocalObjectCount(JNIEnv* env, jobject clazz);
	jint android_os_Debug_getProxyObjectCount(JNIEnv* env, jobject clazz);
	jint android_os_Debug_getDeathObjectCount(JNIEnv* env, jobject clazz);

	/*
	* JNI registration.
	*/

	static JNINativeMethod gMethods[] = {
	{ "getNativeHeapSize", "()J",
	(void*) android_os_Debug_getNativeHeapSize },
	{ "getNativeHeapAllocatedSize", "()J",
	(void*) android_os_Debug_getNativeHeapAllocatedSize },
	{ "getNativeHeapFreeSize", "()J",
	(void*) android_os_Debug_getNativeHeapFreeSize },
	{ "getMemoryInfo", "(Landroid/os/Debug$MemoryInfo;)V",
	(void*) android_os_Debug_getDirtyPages },
	{ "getMemoryInfo", "(ILandroid/os/Debug$MemoryInfo;)V",
	(void*) android_os_Debug_getDirtyPagesPid },
	{ "getBinderSentTransactions", "()I",
	(void*) android_os_Debug_getBinderSentTransactions },
	{ "getBinderReceivedTransactions", "()I",
	(void*) android_os_getBinderReceivedTransactions },
	{ "getBinderLocalObjectCount", "()I",
	(void*)android_os_Debug_getLocalObjectCount },
	{ "getBinderProxyObjectCount", "()I",
	(void*)android_os_Debug_getProxyObjectCount },
	{ "getBinderDeathObjectCount", "()I",
	(void*)android_os_Debug_getDeathObjectCount },
	};

	int register_android_os_Debug(JNIEnv *env)
	{
	jclass clazz = env->FindClass("android/os/Debug$MemoryInfo");

	dalvikPss_field = env->GetFieldID(clazz, "dalvikPss", "I");
	dalvikPrivateDirty_field = env->GetFieldID(clazz, "dalvikPrivateDirty", "I");
	dalvikSharedDirty_field = env->GetFieldID(clazz, "dalvikSharedDirty", "I");

	nativePss_field = env->GetFieldID(clazz, "nativePss", "I");
	nativePrivateDirty_field = env->GetFieldID(clazz, "nativePrivateDirty", "I");
	nativeSharedDirty_field = env->GetFieldID(clazz, "nativeSharedDirty", "I");

	otherPss_field = env->GetFieldID(clazz, "otherPss", "I");
	otherPrivateDirty_field = env->GetFieldID(clazz, "otherPrivateDirty", "I");
	otherSharedDirty_field = env->GetFieldID(clazz, "otherSharedDirty", "I");

	return jniRegisterNativeMethods(env, "android/os/Debug", gMethods, NELEM(gMethods));
	}

	};