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Message-ID: <CAH5vBdLPhd8Q4ZwFP7Zy_yLfNEezRGrkeFJeO1eyh+dcF+oYsw@mail.gmail.com> Date: Fri, 8 Jun 2012 13:19:15 -0700 From: cheng renquan <crquan@...il.com> To: linux-kernel@...r.kernel.org Subject: 67 kworker threads ? I have kernel v3.4.0 up & running over 2 weeks on a 4-cores typical lenovo laptop, with suspend & resume only, every day; have just found after a resume the kernel may spawn too many kworker threads, totally 67 kworker threads now, I think this is abnormal $ ps fu -e |awk 'NR <=2 || /[k]worker/' USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 2 0.0 0.0 0 0 ? S Jun07 0:00 [kthreadd] root 10271 0.0 0.0 0 0 ? S 11:35 0:00 \_ [kworker/0:3] root 11683 0.0 0.0 0 0 ? S 11:46 0:00 \_ [kworker/u:0] root 14364 0.0 0.0 0 0 ? S 12:08 0:01 \_ [kworker/0:0] root 14965 0.1 0.0 0 0 ? S 12:13 0:03 \_ [kworker/u:1] root 17154 0.0 0.0 0 0 ? S 12:31 0:00 \_ [kworker/u:2] root 17937 0.0 0.0 0 0 ? S 12:38 0:00 \_ [kworker/u:3] root 18286 0.0 0.0 0 0 ? S 12:39 0:00 \_ [kworker/u:4] root 18287 0.0 0.0 0 0 ? S 12:39 0:00 \_ [kworker/u:5] root 18288 0.0 0.0 0 0 ? S 12:39 0:00 \_ [kworker/u:6] root 18289 0.0 0.0 0 0 ? S 12:39 0:00 \_ [kworker/u:7] root 18290 0.0 0.0 0 0 ? S 12:39 0:00 \_ [kworker/u:8] root 18291 0.0 0.0 0 0 ? S 12:39 0:00 \_ [kworker/u:9] root 18292 0.0 0.0 0 0 ? S 12:39 0:00 \_ [kworker/u:10] root 18300 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/1:2] root 18303 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/2:2] root 18306 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/3:0] root 18320 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:11] root 18321 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:12] root 18322 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:13] root 18323 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:14] root 18324 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:15] root 18325 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:16] root 18326 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:17] root 18327 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:18] root 18328 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:19] root 18329 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:20] root 18330 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:21] root 18331 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:22] root 18332 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:23] root 18333 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:24] root 18334 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:25] root 18335 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:26] root 18336 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:27] root 18337 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:28] root 18338 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:29] root 18339 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:30] root 18340 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:31] root 18341 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:32] root 18342 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:33] root 18343 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:34] root 18344 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:35] root 18345 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:36] root 18346 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:37] root 18347 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:38] root 18348 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:39] root 18349 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:40] root 18350 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:41] root 18351 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:42] root 18352 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:43] root 18353 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:44] root 18354 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:45] root 18355 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:46] root 18356 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:47] root 18357 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:48] root 18358 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:49] root 18359 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:50] root 18360 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:51] root 18361 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:52] root 18362 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:53] root 18363 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:54] root 18364 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:55] root 18365 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:56] root 18366 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:57] root 18367 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:58] root 18368 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/u:59] root 18369 0.9 0.0 0 0 ? S 13:05 0:01 \_ [kworker/3:1] root 18370 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/0:1] root 18374 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/0:2] root 18380 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/1:0] root 18393 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/2:0] root 18506 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/3:2] root 18571 0.0 0.0 0 0 ? S 13:05 0:00 \_ [kworker/2:1] -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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