Dump KSM stats in the meminfo.

            }

            pw.println();

            pw.print("Total PSS: "); pw.print(totalPss); pw.println(" kB");

            final int[] SINGLE_LONG_FORMAT = new int[] {

                Process.PROC_SPACE_TERM|Process.PROC_OUT_LONG

            };

            long[] longOut = new long[1];

            Process.readProcFile("/sys/kernel/mm/ksm/pages_shared",

                    SINGLE_LONG_FORMAT, null, longOut, null);

            long shared = longOut[0] * ProcessList.PAGE_SIZE / 1024;

            longOut[0] = 0;

            Process.readProcFile("/sys/kernel/mm/ksm/pages_sharing",

                    SINGLE_LONG_FORMAT, null, longOut, null);

            long sharing = longOut[0] * ProcessList.PAGE_SIZE / 1024;

            longOut[0] = 0;

            Process.readProcFile("/sys/kernel/mm/ksm/pages_unshared",

                    SINGLE_LONG_FORMAT, null, longOut, null);

            long unshared = longOut[0] * ProcessList.PAGE_SIZE / 1024;

            longOut[0] = 0;

            Process.readProcFile("/sys/kernel/mm/ksm/pages_volatile",

                    SINGLE_LONG_FORMAT, null, longOut, null);

            long voltile = longOut[0] * ProcessList.PAGE_SIZE / 1024;

            pw.print("      KSM: "); pw.print(sharing); pw.print(" kB saved from shared ");

                    pw.print(shared); pw.println(" kB");

            pw.print("           "); pw.print(unshared); pw.print(" kB unshared; ");

                    pw.print(voltile); pw.println(" kB volatile");

        }

    }