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Commit 016dc59f authored by Makoto Onuki's avatar Makoto Onuki
Browse files

Print DB file sizes in "dumpsys dbinfo" 

- This will be included in bugreports, but only for running processes.

Bug: 111939259
Test: dumpsys dbinfo (when device locked and unlocked)
Change-Id: If743b2c3340eac7e6bc873ac655ac352a46fb7dc
parent 88ee680e

core/java/android/app/ActivityThread.java

+58 −3
Original line number Diff line number Diff line
@@ -1355,14 +1355,69 @@ public final class ActivityThread extends ClientTransactionHandler { 
            IoUtils.closeQuietly(pfd);

        }



        private void dumpDatabaseInfo(ParcelFileDescriptor pfd, String[] args) {

        private File getDatabasesDir(Context context) {

            // There's no simple way to get the databases/ path, so do it this way.

            return context.getDatabasePath("a").getParentFile();

        }



        private void dumpDatabaseInfo(ParcelFileDescriptor pfd, String[] args, boolean isSystem) {

            PrintWriter pw = new FastPrintWriter(

                    new FileOutputStream(pfd.getFileDescriptor()));

            PrintWriterPrinter printer = new PrintWriterPrinter(pw);

            SQLiteDebug.dump(printer, args);



            if (isSystem) {

                dumpDatabaseFileSizes(pw, Environment.getDataSystemDirectory(), true);

                dumpDatabaseFileSizes(pw, Environment.getDataSystemDeDirectory(), true);

                dumpDatabaseFileSizes(pw, Environment.getDataSystemCeDirectory(), true);

            } else {

                Context context = getApplication();

                if (context != null) {

                    dumpDatabaseFileSizes(pw,

                            getDatabasesDir(context.createDeviceProtectedStorageContext()),

                            false);

                    dumpDatabaseFileSizes(pw,

                            getDatabasesDir(context.createCredentialProtectedStorageContext()),

                            false);

                }

            }

            pw.flush();

        }



        private void dumpDatabaseFileSizes(PrintWriter pw, File dir, boolean isSystem) {

            final File[] files = dir.listFiles();

            if (files == null || files.length == 0) {

                return;

            }

            Arrays.sort(files, (a, b) -> a.getName().compareTo(b.getName()));



            boolean needHeader = true;

            for (File f : files) {

                if (isSystem) {

                    // If it's the system server, the directory contains other files too, so

                    // filter by file extensions.

                    // (If it's an app, just print all files because they may not use *.db

                    // extension.)

                    final String name = f.getName();

                    if (!(name.endsWith(".db") || name.endsWith(".db-wal")

                            || name.endsWith(".db-journal"))) {

                        continue;

                    }

                }

                if (needHeader) {

                    pw.println();

                    pw.println("Database files in " + dir.getAbsolutePath() + ":");

                    needHeader = false;

                }



                pw.print("  ");

                pw.print(f.getName());

                pw.print("  ");

                pw.print(f.length());

                pw.println(" bytes");

            }

        }



        @Override

        public void dumpDbInfo(final ParcelFileDescriptor pfd, final String[] args) {

            if (mSystemThread) {
@@ -1383,14 +1438,14 @@ public final class ActivityThread extends ClientTransactionHandler { 
                    @Override

                    public void run() {

                        try {

                            dumpDatabaseInfo(dup, args);

                            dumpDatabaseInfo(dup, args, true);

                        } finally {

                            IoUtils.closeQuietly(dup);

                        }

                    }

                });

            } else {

                dumpDatabaseInfo(pfd, args);

                dumpDatabaseInfo(pfd, args, false);

                IoUtils.closeQuietly(pfd);

            }

        }