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mysql> show profile cpu, block io for query 2;
+--------------------------------+-----------+-----------+------------+--------------+---------------+
| Status | Duration | CPU_user | CPU_system | Block_ops_in | Block_ops_out |
+--------------------------------+-----------+-----------+------------+--------------+---------------+
| starting | 0.000017 | 0.000000 | 0.000000 | 0 | 0 |
| checking query cache for query | 0.000086 | 0.000000 | 0.000000 | 0 | 0 |
| Opening tables | 0.000017 | 0.000000 | 0.000000 | 0 | 0 |
| System lock | 0.000013 | 0.000000 | 0.000000 | 0 | 0 |
| Table lock | 0.000012 | 0.000000 | 0.000000 | 0 | 0 |
| init | 0.000030 | 0.000000 | 0.000000 | 0 | 0 |
| optimizing | 0.000031 | 0.000000 | 0.000000 | 0 | 0 |
| statistics | 0.000289 | 0.000000 | 0.000000 | 0 | 0 |
| preparing | 0.000023 | 0.000000 | 0.000000 | 0 | 0 |
| executing | 0.000004 | 0.000000 | 0.000000 | 0 | 0 |
| Sorting result | 0.000004 | 0.000000 | 0.000000 | 0 | 0 |
| Sending data | 12.169379 | 18.651165 | 4.117374 | 0 | 0 |
| end | 0.000010 | 0.000000 | 0.000000 | 0 | 0 |
| query end | 0.000004 | 0.000000 | 0.000000 | 0 | 0 |
| freeing items | 0.000605 | 0.001000 | 0.000000 | 0 | 0 |
| logging slow query | 0.000004 | 0.000000 | 0.000000 | 0 | 0 |
| logging slow query | 0.000039 | 0.000000 | 0.000000 | 0 | 0 |
| cleaning up | 0.000004 | 0.000000 | 0.000000 | 0 | 0 |
+--------------------------------+-----------+-----------+------------+--------------+---------------+