OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #5

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8
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Click here to display the system's profile data or here to proceed to next system.

Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.
Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system

Characteristics of the 50 highest latencies:

System rackbslot5s.osadl.org (updated Fri Apr 19, 2024 12:44:57)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
3857117	99	80	74,4	cyclictest	3921969	-21	kworker/u8:0+events_unbound	12:20:17	3
3857117	99	66	58,6	cyclictest	3895873	-21	kworker/u8:4+events_unbound	09:14:42	3
3857117	99	65	56,5	cyclictest	3895873	-21	kworker/u8:4+events_unbound	09:39:47	3
3857117	99	65	56,5	cyclictest	3895873	-21	kworker/u8:4+events_unbound	09:39:47	3
3857107	99	62	45,13	cyclictest	12	1	ktimers/0	10:55:10	0
3857107	99	62	45,13	cyclictest	12	1	ktimers/0	10:55:10	0
3857117	99	60	51,7	cyclictest	3921969	-21	kworker/u8:0+events_unbound	11:55:12	3
3857117	99	59	51,5	cyclictest	3962009	-21	kworker/u8:2+events_unbound	12:35:20	3
3857117	99	59	51,5	cyclictest	3962009	-21	kworker/u8:2+events_unbound	12:35:19	3
3857117	99	57	51,4	cyclictest	3905607	-21	kworker/u8:2+events_unbound	09:44:49	3
3857117	99	57	49,5	cyclictest	3921969	-21	kworker/u8:0+events_unbound	10:25:19	3
3857117	99	56	49,5	cyclictest	3949872	-21	kworker/u8:1+events_unbound	11:40:10	3
3857117	99	56	49,5	cyclictest	3949872	-21	kworker/u8:1+events_unbound	11:40:10	3
3857116	99	56	48,5	cyclictest	3858583	-21	kworker/u8:3+events_unbound	08:00:14	2
3857117	99	55	47,5	cyclictest	3868695	-21	kworker/u8:0+events_unbound	08:05:23	3
3857117	99	55	47,5	cyclictest	3868695	-21	kworker/u8:0+events_unbound	08:05:23	3
3857117	99	52	45,5	cyclictest	3947994	-21	kworker/u8:2+events_unbound	11:35:08	3
3857117	99	50	43,5	cyclictest	3131087	-21	kworker/u8:1+events_unbound	07:34:54	3
3857117	99	50	41,5	cyclictest	3921969	-21	kworker/u8:0+events_unbound	12:20:00	3
3857116	99	50	44,4	cyclictest	3921969	-21	kworker/u8:0+events_unbound	11:00:04	2
3857112	99	49	37,5	cyclictest	3910646	-21	kworker/u8:1+events_unbound	10:55:20	1
3857112	99	49	37,5	cyclictest	3910646	-21	kworker/u8:1+events_unbound	10:55:19	1
3857117	99	48	41,4	cyclictest	3929245	-21	sendmail	10:40:00	3
3857117	99	48	40,5	cyclictest	3895873	-21	kworker/u8:4+events_unbound	09:04:19	3
3857116	99	48	40,4	cyclictest	3902474	-21	grep	09:20:00	2
3857112	99	48	39,6	cyclictest	213	-21	dbus-daemon	12:35:19	1
3857112	99	48	39,6	cyclictest	213	-21	dbus-daemon	12:35:18	1
3857112	99	48	35,9	cyclictest	23	1	ktimers/1	11:40:12	1
3857112	99	48	35,9	cyclictest	23	1	ktimers/1	11:40:11	1
3857116	99	47	38,7	cyclictest	3858583	-21	kworker/u8:3+events_unbound	08:13:19	2
3857112	99	47	35,9	cyclictest	3929229	-21	sendmail	10:39:59	1
3857107	99	47	19,11	cyclictest	3904354	-21	sed	09:25:02	0
3857107	99	47	19,11	cyclictest	3904354	-21	sed	09:25:01	0
3857117	99	45	39,4	cyclictest	3960211	-21	kworker/u8:3+events_unbound	12:30:52	3
3857117	99	45	37,5	cyclictest	3917959	-21	kworker/u8:3+events_unbound	10:05:20	3
3857112	99	45	37,6	cyclictest	143	-21	jbd2/mmcblk1p2-8	08:40:21	1
3857107	99	45	25,12	cyclictest	0	-21	swapper/0	10:20:08	0
3857107	99	45	25,12	cyclictest	0	-21	swapper/0	10:20:07	0
3857117	99	44	37,5	cyclictest	3952070	-21	kworker/u8:3+events_unbound	11:50:12	3
3857107	99	44	23,12	cyclictest	0	-21	swapper/0	08:55:12	0
3857116	99	43	35,6	cyclictest	3954021	-21	kworker/u8:2+events_unbound	12:05:15	2
3857112	99	43	36,5	cyclictest	3868695	-21	kworker/u8:0+events_unbound	08:05:24	1
3857112	99	43	36,5	cyclictest	3868695	-21	kworker/u8:0+events_unbound	08:05:24	1
3857107	99	43	36,5	cyclictest	143	-21	jbd2/mmcblk1p2-8	07:10:19	0
3857107	99	43	33,7	cyclictest	3878366	-21	idleruntime-cro	08:10:01	0
3857107	99	43	33,7	cyclictest	3878366	-21	idleruntime-cro	08:10:00	0
3857117	99	42	36,4	cyclictest	3894077	-21	kworker/u8:1+events_unbound	09:19:44	3
3857116	99	42	36,4	cyclictest	3910646	-21	kworker/u8:1+events_unbound	10:00:18	2
3857116	99	42	36,4	cyclictest	3910646	-21	kworker/u8:1+events_unbound	10:00:18	2
3857112	99	42	34,4	cyclictest	0	-21	swapper/1	11:35:01	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2019-05-28 - 00:17