Merge "continue read file when returned count > 0"

     */

    public final KernelWakelockStats readKernelWakelockStats(KernelWakelockStats staleStats) {

        byte[] buffer = new byte[32*1024];

        int len;

        int len = 0;

        boolean wakeup_sources;

        final long startTime = SystemClock.uptimeMillis();

                }

            }

            len = is.read(buffer);

            int cnt;

            while ((cnt = is.read(buffer, len, buffer.length - len)) > 0) {

                len += cnt;

            }

            is.close();

        } catch (java.io.IOException e) {

            Slog.wtf(TAG, "failed to read kernel wakelocks", e);