Examples with SparseArray android.util.SparseArray used on opensource projects

Example 21 with SparseArray

use of android.util.SparseArray in project platform_frameworks_base by android.

the class SecurityControllerImpl method updateState.

private void updateState() {
    // Find all users with an active VPN
    SparseArray<VpnConfig> vpns = new SparseArray<>();
    try {
        for (UserInfo user : mUserManager.getUsers()) {
            VpnConfig cfg = mConnectivityManagerService.getVpnConfig(user.id);
            if (cfg == null) {
                continue;
            } else if (cfg.legacy) {
                // Legacy VPNs should do nothing if the network is disconnected. Third-party
                // VPN warnings need to continue as traffic can still go to the app.
                LegacyVpnInfo legacyVpn = mConnectivityManagerService.getLegacyVpnInfo(user.id);
                if (legacyVpn == null || legacyVpn.state != LegacyVpnInfo.STATE_CONNECTED) {
                    continue;
                }
            }
            vpns.put(user.id, cfg);
        }
    } catch (RemoteException rme) {
        // Roll back to previous state
        Log.e(TAG, "Unable to list active VPNs", rme);
        return;
    }
    mCurrentVpns = vpns;
}

Example 22 with SparseArray

use of android.util.SparseArray in project platform_frameworks_base by android.

the class ActivityManagerService method reportMemUsage.

void reportMemUsage(ArrayList<ProcessMemInfo> memInfos) {
    final SparseArray<ProcessMemInfo> infoMap = new SparseArray<>(memInfos.size());
    for (int i = 0, N = memInfos.size(); i < N; i++) {
        ProcessMemInfo mi = memInfos.get(i);
        infoMap.put(mi.pid, mi);
    }
    updateCpuStatsNow();
    long[] memtrackTmp = new long[1];
    final List<ProcessCpuTracker.Stats> stats;
    // Get a list of Stats that have vsize > 0
    synchronized (mProcessCpuTracker) {
        stats = mProcessCpuTracker.getStats((st) -> {
            return st.vsize > 0;
        });
    }
    final int statsCount = stats.size();
    for (int i = 0; i < statsCount; i++) {
        ProcessCpuTracker.Stats st = stats.get(i);
        long pss = Debug.getPss(st.pid, null, memtrackTmp);
        if (pss > 0) {
            if (infoMap.indexOfKey(st.pid) < 0) {
                ProcessMemInfo mi = new ProcessMemInfo(st.name, st.pid, ProcessList.NATIVE_ADJ, -1, "native", null);
                mi.pss = pss;
                mi.memtrack = memtrackTmp[0];
                memInfos.add(mi);
            }
        }
    }
    long totalPss = 0;
    long totalMemtrack = 0;
    for (int i = 0, N = memInfos.size(); i < N; i++) {
        ProcessMemInfo mi = memInfos.get(i);
        if (mi.pss == 0) {
            mi.pss = Debug.getPss(mi.pid, null, memtrackTmp);
            mi.memtrack = memtrackTmp[0];
        }
        totalPss += mi.pss;
        totalMemtrack += mi.memtrack;
    }
    Collections.sort(memInfos, new Comparator<ProcessMemInfo>() {

        @Override
        public int compare(ProcessMemInfo lhs, ProcessMemInfo rhs) {
            if (lhs.oomAdj != rhs.oomAdj) {
                return lhs.oomAdj < rhs.oomAdj ? -1 : 1;
            }
            if (lhs.pss != rhs.pss) {
                return lhs.pss < rhs.pss ? 1 : -1;
            }
            return 0;
        }
    });
    StringBuilder tag = new StringBuilder(128);
    StringBuilder stack = new StringBuilder(128);
    tag.append("Low on memory -- ");
    appendMemBucket(tag, totalPss, "total", false);
    appendMemBucket(stack, totalPss, "total", true);
    StringBuilder fullNativeBuilder = new StringBuilder(1024);
    StringBuilder shortNativeBuilder = new StringBuilder(1024);
    StringBuilder fullJavaBuilder = new StringBuilder(1024);
    boolean firstLine = true;
    int lastOomAdj = Integer.MIN_VALUE;
    long extraNativeRam = 0;
    long extraNativeMemtrack = 0;
    long cachedPss = 0;
    for (int i = 0, N = memInfos.size(); i < N; i++) {
        ProcessMemInfo mi = memInfos.get(i);
        if (mi.oomAdj >= ProcessList.CACHED_APP_MIN_ADJ) {
            cachedPss += mi.pss;
        }
        if (mi.oomAdj != ProcessList.NATIVE_ADJ && (mi.oomAdj < ProcessList.SERVICE_ADJ || mi.oomAdj == ProcessList.HOME_APP_ADJ || mi.oomAdj == ProcessList.PREVIOUS_APP_ADJ)) {
            if (lastOomAdj != mi.oomAdj) {
                lastOomAdj = mi.oomAdj;
                if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) {
                    tag.append(" / ");
                }
                if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ) {
                    if (firstLine) {
                        stack.append(":");
                        firstLine = false;
                    }
                    stack.append("\n\t at ");
                } else {
                    stack.append("$");
                }
            } else {
                tag.append(" ");
                stack.append("$");
            }
            if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) {
                appendMemBucket(tag, mi.pss, mi.name, false);
            }
            appendMemBucket(stack, mi.pss, mi.name, true);
            if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ && ((i + 1) >= N || memInfos.get(i + 1).oomAdj != lastOomAdj)) {
                stack.append("(");
                for (int k = 0; k < DUMP_MEM_OOM_ADJ.length; k++) {
                    if (DUMP_MEM_OOM_ADJ[k] == mi.oomAdj) {
                        stack.append(DUMP_MEM_OOM_LABEL[k]);
                        stack.append(":");
                        stack.append(DUMP_MEM_OOM_ADJ[k]);
                    }
                }
                stack.append(")");
            }
        }
        appendMemInfo(fullNativeBuilder, mi);
        if (mi.oomAdj == ProcessList.NATIVE_ADJ) {
            // The short form only has native processes that are >= 512K.
            if (mi.pss >= 512) {
                appendMemInfo(shortNativeBuilder, mi);
            } else {
                extraNativeRam += mi.pss;
                extraNativeMemtrack += mi.memtrack;
            }
        } else {
            // from smaller native processes let's dump a summary of that.
            if (extraNativeRam > 0) {
                appendBasicMemEntry(shortNativeBuilder, ProcessList.NATIVE_ADJ, -1, extraNativeRam, extraNativeMemtrack, "(Other native)");
                shortNativeBuilder.append('\n');
                extraNativeRam = 0;
            }
            appendMemInfo(fullJavaBuilder, mi);
        }
    }
    fullJavaBuilder.append("           ");
    ProcessList.appendRamKb(fullJavaBuilder, totalPss);
    fullJavaBuilder.append(": TOTAL");
    if (totalMemtrack > 0) {
        fullJavaBuilder.append(" (");
        fullJavaBuilder.append(stringifyKBSize(totalMemtrack));
        fullJavaBuilder.append(" memtrack)");
    } else {
    }
    fullJavaBuilder.append("\n");
    MemInfoReader memInfo = new MemInfoReader();
    memInfo.readMemInfo();
    final long[] infos = memInfo.getRawInfo();
    StringBuilder memInfoBuilder = new StringBuilder(1024);
    Debug.getMemInfo(infos);
    memInfoBuilder.append("  MemInfo: ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_SLAB])).append(" slab, ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_SHMEM])).append(" shmem, ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_VM_ALLOC_USED])).append(" vm alloc, ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_PAGE_TABLES])).append(" page tables ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_KERNEL_STACK])).append(" kernel stack\n");
    memInfoBuilder.append("           ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_BUFFERS])).append(" buffers, ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_CACHED])).append(" cached, ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_MAPPED])).append(" mapped, ");
    memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_FREE])).append(" free\n");
    if (infos[Debug.MEMINFO_ZRAM_TOTAL] != 0) {
        memInfoBuilder.append("  ZRAM: ");
        memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_ZRAM_TOTAL]));
        memInfoBuilder.append(" RAM, ");
        memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_SWAP_TOTAL]));
        memInfoBuilder.append(" swap total, ");
        memInfoBuilder.append(stringifyKBSize(infos[Debug.MEMINFO_SWAP_FREE]));
        memInfoBuilder.append(" swap free\n");
    }
    final long[] ksm = getKsmInfo();
    if (ksm[KSM_SHARING] != 0 || ksm[KSM_SHARED] != 0 || ksm[KSM_UNSHARED] != 0 || ksm[KSM_VOLATILE] != 0) {
        memInfoBuilder.append("  KSM: ");
        memInfoBuilder.append(stringifyKBSize(ksm[KSM_SHARING]));
        memInfoBuilder.append(" saved from shared ");
        memInfoBuilder.append(stringifyKBSize(ksm[KSM_SHARED]));
        memInfoBuilder.append("\n       ");
        memInfoBuilder.append(stringifyKBSize(ksm[KSM_UNSHARED]));
        memInfoBuilder.append(" unshared; ");
        memInfoBuilder.append(stringifyKBSize(ksm[KSM_VOLATILE]));
        memInfoBuilder.append(" volatile\n");
    }
    memInfoBuilder.append("  Free RAM: ");
    memInfoBuilder.append(stringifyKBSize(cachedPss + memInfo.getCachedSizeKb() + memInfo.getFreeSizeKb()));
    memInfoBuilder.append("\n");
    memInfoBuilder.append("  Used RAM: ");
    memInfoBuilder.append(stringifyKBSize(totalPss - cachedPss + memInfo.getKernelUsedSizeKb()));
    memInfoBuilder.append("\n");
    memInfoBuilder.append("  Lost RAM: ");
    memInfoBuilder.append(stringifyKBSize(memInfo.getTotalSizeKb() - totalPss - memInfo.getFreeSizeKb() - memInfo.getCachedSizeKb() - memInfo.getKernelUsedSizeKb() - memInfo.getZramTotalSizeKb()));
    memInfoBuilder.append("\n");
    Slog.i(TAG, "Low on memory:");
    Slog.i(TAG, shortNativeBuilder.toString());
    Slog.i(TAG, fullJavaBuilder.toString());
    Slog.i(TAG, memInfoBuilder.toString());
    StringBuilder dropBuilder = new StringBuilder(1024);
    /*
        StringWriter oomSw = new StringWriter();
        PrintWriter oomPw = new FastPrintWriter(oomSw, false, 256);
        StringWriter catSw = new StringWriter();
        PrintWriter catPw = new FastPrintWriter(catSw, false, 256);
        String[] emptyArgs = new String[] { };
        dumpApplicationMemoryUsage(null, oomPw, "  ", emptyArgs, true, catPw);
        oomPw.flush();
        String oomString = oomSw.toString();
        */
    dropBuilder.append("Low on memory:");
    dropBuilder.append(stack);
    dropBuilder.append('\n');
    dropBuilder.append(fullNativeBuilder);
    dropBuilder.append(fullJavaBuilder);
    dropBuilder.append('\n');
    dropBuilder.append(memInfoBuilder);
    dropBuilder.append('\n');
    /*
        dropBuilder.append(oomString);
        dropBuilder.append('\n');
        */
    StringWriter catSw = new StringWriter();
    synchronized (ActivityManagerService.this) {
        PrintWriter catPw = new FastPrintWriter(catSw, false, 256);
        String[] emptyArgs = new String[] {};
        catPw.println();
        dumpProcessesLocked(null, catPw, emptyArgs, 0, false, null);
        catPw.println();
        mServices.newServiceDumperLocked(null, catPw, emptyArgs, 0, false, null).dumpLocked();
        catPw.println();
        dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false, null);
        catPw.flush();
    }
    dropBuilder.append(catSw.toString());
    addErrorToDropBox("lowmem", null, "system_server", null, null, tag.toString(), dropBuilder.toString(), null, null);
    //Slog.i(TAG, dropBuilder.toString());
    synchronized (ActivityManagerService.this) {
        long now = SystemClock.uptimeMillis();
        if (mLastMemUsageReportTime < now) {
            mLastMemUsageReportTime = now;
        }
    }
}

Example 23 with SparseArray

use of android.util.SparseArray in project platform_frameworks_base by android.

the class ActivityManagerService method cleanUpRemovedTaskLocked.

private void cleanUpRemovedTaskLocked(TaskRecord tr, boolean killProcess, boolean removeFromRecents) {
    if (removeFromRecents) {
        mRecentTasks.remove(tr);
        tr.removedFromRecents();
    }
    ComponentName component = tr.getBaseIntent().getComponent();
    if (component == null) {
        Slog.w(TAG, "No component for base intent of task: " + tr);
        return;
    }
    // Find any running services associated with this app and stop if needed.
    mServices.cleanUpRemovedTaskLocked(tr, component, new Intent(tr.getBaseIntent()));
    if (!killProcess) {
        return;
    }
    // Determine if the process(es) for this task should be killed.
    final String pkg = component.getPackageName();
    ArrayList<ProcessRecord> procsToKill = new ArrayList<>();
    ArrayMap<String, SparseArray<ProcessRecord>> pmap = mProcessNames.getMap();
    for (int i = 0; i < pmap.size(); i++) {
        SparseArray<ProcessRecord> uids = pmap.valueAt(i);
        for (int j = 0; j < uids.size(); j++) {
            ProcessRecord proc = uids.valueAt(j);
            if (proc.userId != tr.userId) {
                // Don't kill process for a different user.
                continue;
            }
            if (proc == mHomeProcess) {
                // Don't kill the home process along with tasks from the same package.
                continue;
            }
            if (!proc.pkgList.containsKey(pkg)) {
                // Don't kill process that is not associated with this task.
                continue;
            }
            for (int k = 0; k < proc.activities.size(); k++) {
                TaskRecord otherTask = proc.activities.get(k).task;
                if (tr.taskId != otherTask.taskId && otherTask.inRecents) {
                    // also in recents.
                    return;
                }
            }
            if (proc.foregroundServices) {
                // Don't kill process(es) with foreground service.
                return;
            }
            // Add process to kill list.
            procsToKill.add(proc);
        }
    }
    // Kill the running processes.
    for (int i = 0; i < procsToKill.size(); i++) {
        ProcessRecord pr = procsToKill.get(i);
        if (pr.setSchedGroup == ProcessList.SCHED_GROUP_BACKGROUND && pr.curReceivers.isEmpty()) {
            pr.kill("remove task", true);
        } else {
            // We delay killing processes that are not in the background or running a receiver.
            pr.waitingToKill = "remove task";
        }
    }
}

Example 24 with SparseArray

use of android.util.SparseArray in project platform_frameworks_base by android.

the class ProcessStatsService method setMemFactorLocked.

public boolean setMemFactorLocked(int memFactor, boolean screenOn, long now) {
    mMemFactorLowered = memFactor < mLastMemOnlyState;
    mLastMemOnlyState = memFactor;
    if (screenOn) {
        memFactor += ProcessStats.ADJ_SCREEN_ON;
    }
    if (memFactor != mProcessStats.mMemFactor) {
        if (mProcessStats.mMemFactor != ProcessStats.STATE_NOTHING) {
            mProcessStats.mMemFactorDurations[mProcessStats.mMemFactor] += now - mProcessStats.mStartTime;
        }
        mProcessStats.mMemFactor = memFactor;
        mProcessStats.mStartTime = now;
        final ArrayMap<String, SparseArray<SparseArray<ProcessStats.PackageState>>> pmap = mProcessStats.mPackages.getMap();
        for (int ipkg = pmap.size() - 1; ipkg >= 0; ipkg--) {
            final SparseArray<SparseArray<ProcessStats.PackageState>> uids = pmap.valueAt(ipkg);
            for (int iuid = uids.size() - 1; iuid >= 0; iuid--) {
                final SparseArray<ProcessStats.PackageState> vers = uids.valueAt(iuid);
                for (int iver = vers.size() - 1; iver >= 0; iver--) {
                    final ProcessStats.PackageState pkg = vers.valueAt(iver);
                    final ArrayMap<String, ServiceState> services = pkg.mServices;
                    for (int isvc = services.size() - 1; isvc >= 0; isvc--) {
                        final ServiceState service = services.valueAt(isvc);
                        service.setMemFactor(memFactor, now);
                    }
                }
            }
        }
        return true;
    }
    return false;
}

Example 25 with SparseArray

use of android.util.SparseArray in project platform_frameworks_base by android.

the class ManagedServices method rebindServices.

/**
     * Called whenever packages change, the user switches, or the secure setting
     * is altered. (For example in response to USER_SWITCHED in our broadcast receiver)
     */
private void rebindServices(boolean forceRebind) {
    if (DEBUG)
        Slog.d(TAG, "rebindServices");
    final int[] userIds = mUserProfiles.getCurrentProfileIds();
    final int nUserIds = userIds.length;
    final SparseArray<ArraySet<ComponentName>> componentsByUser = new SparseArray<>();
    for (int i = 0; i < nUserIds; ++i) {
        componentsByUser.put(userIds[i], loadComponentNamesFromSetting(mConfig.secureSettingName, userIds[i]));
        if (mConfig.secondarySettingName != null) {
            componentsByUser.get(userIds[i]).addAll(loadComponentNamesFromSetting(mConfig.secondarySettingName, userIds[i]));
        }
    }
    final ArrayList<ManagedServiceInfo> removableBoundServices = new ArrayList<>();
    final SparseArray<Set<ComponentName>> toAdd = new SparseArray<>();
    synchronized (mMutex) {
        // Rebind to non-system services if user switched
        for (ManagedServiceInfo service : mServices) {
            if (!service.isSystem && !service.isGuest(this)) {
                removableBoundServices.add(service);
            }
        }
        mEnabledServicesForCurrentProfiles.clear();
        mEnabledServicesPackageNames.clear();
        for (int i = 0; i < nUserIds; ++i) {
            // decode the list of components
            final ArraySet<ComponentName> userComponents = componentsByUser.get(userIds[i]);
            if (null == userComponents) {
                toAdd.put(userIds[i], new ArraySet<ComponentName>());
                continue;
            }
            final Set<ComponentName> add = new HashSet<>(userComponents);
            add.removeAll(mSnoozingForCurrentProfiles);
            toAdd.put(userIds[i], add);
            mEnabledServicesForCurrentProfiles.addAll(userComponents);
            for (int j = 0; j < userComponents.size(); j++) {
                final ComponentName component = userComponents.valueAt(j);
                mEnabledServicesPackageNames.add(component.getPackageName());
            }
        }
    }
    for (ManagedServiceInfo info : removableBoundServices) {
        final ComponentName component = info.component;
        final int oldUser = info.userid;
        final Set<ComponentName> allowedComponents = toAdd.get(info.userid);
        if (allowedComponents != null) {
            if (allowedComponents.contains(component) && !forceRebind) {
                // Already bound, don't need to bind again.
                allowedComponents.remove(component);
            } else {
                // No longer allowed to be bound, or must rebind.
                Slog.v(TAG, "disabling " + getCaption() + " for user " + oldUser + ": " + component);
                unregisterService(component, oldUser);
            }
        }
    }
    for (int i = 0; i < nUserIds; ++i) {
        final Set<ComponentName> add = toAdd.get(userIds[i]);
        for (ComponentName component : add) {
            Slog.v(TAG, "enabling " + getCaption() + " for " + userIds[i] + ": " + component);
            registerService(component, userIds[i]);
        }
    }
    mLastSeenProfileIds = userIds;
}