The height of each column is based on the value of the slow lock count and is relative to all the columns in the graph.
每一列的高度基于慢锁计数的值,它与图中的所有列有关。
For “Lock [AQS@135]”, it contends in one place, showing contention count, contention time, and full stack back trace of the contention.
对于“Lock [AQS@135]”,它在一个程序位置出现竞争,显示了竞争的次数,时间和竞争时刻的线程调用栈。
An implementation of size would have to sequentially acquire the lock for each bucket, count the number of nodes in that bucket, and release the lock and move on to the next bucket.
size的实现将不得不依次获取各个bucket的锁,对该bucket中的节点进行计数,释放锁,然后继续到下一个bucket。
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