+
+static void print_hist(int fd)
+{
+ struct hist_key key = {}, next_key;
+ static struct task tasks[1024];
+ int task_cnt = 0;
+ int i;
+
+ while (bpf_get_next_key(fd, &key, &next_key) == 0) {
+ int found = 0;
+
+ for (i = 0; i < task_cnt; i++)
+ if (memcmp(&tasks[i], &next_key, SIZE) == 0)
+ found = 1;
+ if (!found)
+ memcpy(&tasks[task_cnt++], &next_key, SIZE);
+ key = next_key;
+ }
+
+ for (i = 0; i < task_cnt; i++) {
+ printf("\npid %d cmd %s uid %d\n",
+ (__u32) tasks[i].pid_tgid,
+ tasks[i].comm,
+ (__u32) tasks[i].uid_gid);
+ print_hist_for_pid(fd, &tasks[i]);
+ }
+
+}
+