public String getCpuRateInfo() {
        StringBuilder sb = new StringBuilder();
        synchronized (mCpuInfoEntries) {
            for (Map.Entry<Long, String> entry : mCpuInfoEntries.entrySet()) {
                long time = entry.getKey();
                sb.append(BlockInfo.TIME_FORMATTER.format(time))
                        .append(' ')
                        .append(entry.getValue())
                        .append(BlockInfo.SEPARATOR);
            }
        }
        return sb.toString();
    }
Get cpu rate information

@return string show cpu rate information
blockcanary-analyzer/src/main/java/com/github/moduth/blockcanary/CpuSampler.java