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Posted: 15 May 2021 08:59 AM PDT ## eBPF/bcc的强大_容器网络可视化之提取容器id ### 首先我们看提取容器id的实现函数: ```c static void fill_container_id(char *container_id) { struct task_struct *curr_task; struct css_set *css; struct cgroup_subsys_state *sbs; struct cgroup *cg; struct kernfs_node *knode, *pknode; // Initializing t... |
2021-05-15:数组为{3, 2, 2, 3, 1},查询为(0, 3, 2),意思是在数组里下标0~3这个范围上,有几个2?答案返回2。假设给你一个数组arr, 对这个数组的查询非常频繁,都给 Posted: 15 May 2021 07:44 AM PDT 2021-05-15:数组为{3, 2, 2, 3, 1},查询为(0, 3, 2),意思是在数组里下标0~3这个范围上,有几个2?答案返回2。假设给你一个数组arr, 对这个数组的查询非常频繁,都给出来。请返回所有查询的结果。 福大大 答案2021-05-15: 遍历存map。map的键是数组中的值,map的值是存数组下标的数组。比如{3,2,2,3,1},保存到map里... |
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