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Default latency plot of shadow in rack #e, slot #3

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
Compare latency of primary with shadow system

Characteristics of the 100 highest latencies:

System rackeslot3s.osadl.org (updated Mon Dec 01, 2025 00:45:09)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
684437	99	74	13,16	cyclictest	13	1	rcu_preempt	23:45:02	0
684447	99	67	6,14	cyclictest	37	-21	ksoftirqd/3	22:35:02	3
684443	99	65	32,22	cyclictest	699194	-21	kworker/2:0	00:05:01	2
684447	99	64	27,19	cyclictest	37	-21	ksoftirqd/3	19:15:01	3
684447	99	64	27,19	cyclictest	37	-21	ksoftirqd/3	19:15:00	3
684437	99	64	34,24	cyclictest	12	-21	ksoftirqd/0	00:00:02	0
684447	99	63	14,10	cyclictest	37	-21	ksoftirqd/3	20:40:02	3
684447	99	62	17,10	cyclictest	37	-21	ksoftirqd/3	23:35:02	3
684447	99	62	17,10	cyclictest	37	-21	ksoftirqd/3	23:35:02	3
684443	99	61	53,4	cyclictest	30	-21	ksoftirqd/2	22:00:02	2
684447	99	60	8,10	cyclictest	37	-21	ksoftirqd/3	00:00:00	3
684447	99	58	40,12	cyclictest	701586	-21	systemctl	00:40:00	3
684447	99	58	11,14	cyclictest	37	-21	ksoftirqd/3	21:45:02	3
684447	99	57	7,6	cyclictest	37	-21	ksoftirqd/3	20:05:01	3
684437	99	57	37,14	cyclictest	12	-21	ksoftirqd/0	22:54:59	0
684437	99	57	35,17	cyclictest	1	-21	systemd	23:20:01	0
684437	99	57	35,17	cyclictest	1	-21	systemd	23:20:01	0
684437	99	57	20,33	cyclictest	12	-21	ksoftirqd/0	21:20:03	0
684447	99	56	3,15	cyclictest	37	-21	ksoftirqd/3	22:00:02	3
684447	99	55	5,7	cyclictest	37	-21	ksoftirqd/3	22:30:02	3
684447	99	55	4,12	cyclictest	37	-21	ksoftirqd/3	19:45:02	3
684447	99	55	14,10	cyclictest	37	-21	ksoftirqd/3	23:55:02	3
684447	99	55	10,7	cyclictest	0	-21	swapper/3	22:15:01	3
684443	99	55	37,13	cyclictest	235	-21	systemd-journal	23:05:00	2
684443	99	55	37,13	cyclictest	235	-21	systemd-journal	23:05:00	2
684437	99	55	23,3	cyclictest	13	1	rcu_preempt	19:39:21	0
684447	99	54	7,9	cyclictest	37	-21	ksoftirqd/3	22:20:01	3
684447	99	54	6,11	cyclictest	37	-21	ksoftirqd/3	00:10:02	3
684447	99	54	1,15	cyclictest	687050	-21	grep	20:00:01	3
684447	99	53	8,8	cyclictest	37	-21	ksoftirqd/3	00:20:00	3
684447	99	53	5,8	cyclictest	37	-21	ksoftirqd/3	23:25:00	3
684447	99	53	5,8	cyclictest	37	-21	ksoftirqd/3	22:40:02	3
684447	99	53	13,11	cyclictest	37	-21	ksoftirqd/3	22:25:00	3
684447	99	53	13,11	cyclictest	37	-21	ksoftirqd/3	22:25:00	3
684447	99	52	14,10	cyclictest	37	-21	ksoftirqd/3	21:25:02	3
684447	99	52	13,11	cyclictest	37	-21	ksoftirqd/3	23:40:02	3
684447	99	52	10,10	cyclictest	37	-21	ksoftirqd/3	23:05:02	3
684447	99	52	10,10	cyclictest	37	-21	ksoftirqd/3	23:05:02	3
684447	99	51	6,11	cyclictest	37	-21	ksoftirqd/3	21:00:02	3
684447	99	51	6,10	cyclictest	37	-21	ksoftirqd/3	21:30:02	3
684447	99	51	4,10	cyclictest	37	-21	ksoftirqd/3	21:35:03	3
684447	99	51	2,9	cyclictest	37	-21	ksoftirqd/3	20:25:02	3
684447	99	51	2,9	cyclictest	37	-21	ksoftirqd/3	20:25:02	3
684447	99	51	2,14	cyclictest	37	-21	ksoftirqd/3	20:54:59	3
684447	99	51	1,11	cyclictest	685619	-21	sed	19:30:03	3
684447	99	50	7,9	cyclictest	37	-21	ksoftirqd/3	19:20:01	3
684447	99	50	5,16	cyclictest	37	-21	ksoftirqd/3	21:15:02	3
684447	99	50	4,9	cyclictest	37	-21	ksoftirqd/3	21:55:02	3
684447	99	50	4,11	cyclictest	37	-21	ksoftirqd/3	23:00:01	3
684447	99	50	2,12	cyclictest	37	-21	ksoftirqd/3	22:05:01	3
684447	99	50	16,7	cyclictest	689852	-21	kworker/3:1	21:40:00	3
684447	99	50	1,10	cyclictest	37	-21	ksoftirqd/3	20:10:02	3
684447	99	50	1,10	cyclictest	37	-21	ksoftirqd/3	20:10:02	3
684437	99	50	35,11	cyclictest	1	-21	systemd	00:10:01	0
684447	99	49	6,7	cyclictest	37	-21	ksoftirqd/3	23:15:01	3
684447	99	49	4,11	cyclictest	37	-21	ksoftirqd/3	19:25:02	3
684447	99	49	3,8	cyclictest	37	-21	ksoftirqd/3	21:20:03	3
684447	99	49	3,14	cyclictest	37	-21	ksoftirqd/3	22:45:02	3
684447	99	49	2,10	cyclictest	37	-21	ksoftirqd/3	19:40:02	3
684447	99	49	1,10	cyclictest	685684	-21	unin-run	19:35:00	3
684447	99	49	10,9	cyclictest	37	-21	ksoftirqd/3	00:05:00	3
684439	99	49	12,6	cyclictest	13	1	rcu_preempt	23:20:02	1
684439	99	49	12,6	cyclictest	13	1	rcu_preempt	23:20:02	1
684437	99	49	19,10	cyclictest	13	1	rcu_preempt	21:30:02	0
684447	99	48	7,7	cyclictest	37	-21	ksoftirqd/3	00:35:02	3
684447	99	48	5,12	cyclictest	684429	-21	cyclictest	23:20:01	3
684447	99	48	5,12	cyclictest	684429	-21	cyclictest	23:20:01	3
684447	99	48	4,7	cyclictest	37	-21	ksoftirqd/3	23:30:02	3
684447	99	48	3,5	cyclictest	37	-21	ksoftirqd/3	23:45:02	3
684447	99	48	2,12	cyclictest	37	-21	ksoftirqd/3	22:50:02	3
684447	99	48	2,12	cyclictest	37	-21	ksoftirqd/3	22:50:02	3
684443	99	48	1,4	cyclictest	13	1	rcu_preempt	22:55:01	2
684437	99	48	39,6	cyclictest	169	50	irq/224-8000000	22:10:02	0
684437	99	48	15,6	cyclictest	13	1	rcu_preempt	23:00:01	0
684447	99	47	6,7	cyclictest	37	-21	ksoftirqd/3	00:30:01	3
684447	99	47	2,11	cyclictest	37	-21	ksoftirqd/3	22:10:02	3
684447	99	47	1,8	cyclictest	37	-21	ksoftirqd/3	20:30:00	3
684437	99	47	40,4	cyclictest	169	50	irq/224-8000000	00:25:00	0
684447	99	46	6,5	cyclictest	37	-21	ksoftirqd/3	20:15:01	3
684447	99	46	4,6	cyclictest	37	-21	ksoftirqd/3	23:10:00	3
684447	99	46	4,12	cyclictest	37	-21	ksoftirqd/3	22:50:03	3
684447	99	46	1,7	cyclictest	0	-21	swapper/3	21:05:03	3
684443	99	46	3,3	cyclictest	13	1	rcu_preempt	23:30:02	2
684443	99	46	33,10	cyclictest	235	-21	systemd-journal	21:40:01	2
684443	99	46	30,13	cyclictest	272	-21	dbus-daemon	21:10:00	2
684443	99	46	30,12	cyclictest	272	-21	dbus-daemon	20:35:01	2
684437	99	46	3,6	cyclictest	698137	-21	modprobe	23:35:00	0
684437	99	46	3,6	cyclictest	698137	-21	modprobe	23:35:00	0
684437	99	46	28,13	cyclictest	1	-21	systemd	19:15:01	0
684437	99	46	28,13	cyclictest	1	-21	systemd	19:15:00	0
684437	99	46	2,40	cyclictest	13	1	rcu_preempt	19:32:13	0
684447	99	45	7,9	cyclictest	37	-21	ksoftirqd/3	19:50:02	3
684447	99	45	7,7	cyclictest	37	-21	ksoftirqd/3	00:15:02	3
684447	99	45	7,6	cyclictest	37	-21	ksoftirqd/3	00:25:02	3
684447	99	45	31,10	cyclictest	272	-21	dbus-daemon	19:55:01	3
684447	99	45	1,11	cyclictest	37	-21	ksoftirqd/3	20:20:00	3
684443	99	45	29,11	cyclictest	272	-21	dbus-daemon	22:04:59	2
684443	99	45	28,11	cyclictest	1	-21	systemd	00:20:00	2
684443	99	45	27,12	cyclictest	235	-21	systemd-journal	20:45:01	2
684443	99	45	26,14	cyclictest	272	-21	dbus-daemon	00:00:00	2
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2021-09-01 - 00:33