OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

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
Special All - All RT - Optimization - Ethernet - Thumbnails - Next

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 Tue Dec 30, 2025 12:45:08)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
2209993	99	132	1,105	cyclictest	0	-21	swapper/0	08:40:03	0
2209993	99	117	1,97	cyclictest	0	-21	swapper/0	09:45:01	0
2209993	99	112	1,84	cyclictest	0	-21	swapper/0	09:25:02	0
2209993	99	104	99,3	cyclictest	0	-21	swapper/0	10:25:01	0
2210002	99	91	4,3	cyclictest	13	1	rcu_preempt	11:30:01	2
2209998	99	72	7,34	cyclictest	2213513	-21	kworker/u8:1	08:30:02	1
2210007	99	64	17,13	cyclictest	37	-21	ksoftirqd/3	12:05:01	3
2209993	99	64	15,45	cyclictest	12	-21	ksoftirqd/0	08:42:29	0
2210007	99	60	37,17	cyclictest	1	-21	systemd	08:55:00	3
2210007	99	60	21,9	cyclictest	37	-21	ksoftirqd/3	11:25:01	3
2210007	99	60	11,10	cyclictest	37	-21	ksoftirqd/3	11:17:00	3
2209998	99	60	13,32	cyclictest	23	-21	ksoftirqd/1	07:15:03	1
2210002	99	59	8,28	cyclictest	2215592	-21	kworker/u8:3	09:35:01	2
2210007	99	58	22,12	cyclictest	37	-21	ksoftirqd/3	09:05:01	3
2210007	99	58	22,12	cyclictest	37	-21	ksoftirqd/3	09:05:00	3
2210007	99	58	13,9	cyclictest	37	-21	ksoftirqd/3	11:30:00	3
2210007	99	58	11,11	cyclictest	37	-21	ksoftirqd/3	10:30:01	3
2210007	99	57	9,10	cyclictest	37	-21	ksoftirqd/3	11:00:01	3
2210007	99	57	14,10	cyclictest	37	-21	ksoftirqd/3	10:40:03	3
2210007	99	57	11,9	cyclictest	37	-21	ksoftirqd/3	10:25:01	3
2209993	99	57	1,24	cyclictest	13	1	rcu_preempt	08:00:03	0
2209993	99	57	1,24	cyclictest	13	1	rcu_preempt	08:00:02	0
2210007	99	56	6,9	cyclictest	37	-21	ksoftirqd/3	11:04:59	3
2210007	99	56	6,10	cyclictest	37	-21	ksoftirqd/3	08:20:01	3
2210007	99	56	6,10	cyclictest	37	-21	ksoftirqd/3	08:20:01	3
2210007	99	56	5,10	cyclictest	37	-21	ksoftirqd/3	12:00:01	3
2210007	99	55	7,6	cyclictest	37	-21	ksoftirqd/3	11:40:00	3
2210007	99	55	3,9	cyclictest	37	-21	ksoftirqd/3	08:50:01	3
2210007	99	55	11,8	cyclictest	37	-21	ksoftirqd/3	09:20:00	3
2210007	99	55	11,8	cyclictest	37	-21	ksoftirqd/3	09:20:00	3
2210007	99	55	1,11	cyclictest	37	-21	ksoftirqd/3	12:10:03	3
2210007	99	55	1,11	cyclictest	37	-21	ksoftirqd/3	12:10:03	3
2209998	99	55	36,15	cyclictest	1	-21	systemd	11:40:01	1
2210007	99	54	8,15	cyclictest	37	-21	ksoftirqd/3	10:45:02	3
2210007	99	54	3,14	cyclictest	37	-21	ksoftirqd/3	08:40:01	3
2210007	99	54	12,9	cyclictest	37	-21	ksoftirqd/3	07:15:00	3
2209998	99	54	37,14	cyclictest	23	-21	ksoftirqd/1	12:40:03	1
2209998	99	54	35,15	cyclictest	238	-21	systemd-journal	08:00:01	1
2209998	99	54	13,9	cyclictest	13	1	rcu_preempt	08:20:01	1
2209998	99	54	13,9	cyclictest	13	1	rcu_preempt	08:20:00	1
2210007	99	53	7,8	cyclictest	37	-21	ksoftirqd/3	09:35:02	3
2210007	99	53	7,8	cyclictest	37	-21	ksoftirqd/3	07:30:02	3
2210007	99	53	7,8	cyclictest	37	-21	ksoftirqd/3	07:30:02	3
2210007	99	53	35,11	cyclictest	1	-21	systemd	08:00:00	3
2210007	99	53	16,8	cyclictest	37	-21	ksoftirqd/3	10:00:02	3
2210007	99	53	10,10	cyclictest	37	-21	ksoftirqd/3	07:55:00	3
2209998	99	53	9,31	cyclictest	2224918	-21	kworker/u8:0	12:00:02	1
2210007	99	52	9,8	cyclictest	37	-21	ksoftirqd/3	10:15:02	3
2210007	99	52	6,9	cyclictest	37	-21	ksoftirqd/3	08:30:01	3
2210007	99	52	5,10	cyclictest	37	-21	ksoftirqd/3	09:30:01	3
2210007	99	52	40,7	cyclictest	2217686	-21	cron	09:40:01	3
2210007	99	52	2,12	cyclictest	37	-21	ksoftirqd/3	11:50:02	3
2210007	99	51	8,11	cyclictest	37	-21	ksoftirqd/3	10:10:01	3
2210007	99	51	7,13	cyclictest	37	-21	ksoftirqd/3	08:25:01	3
2210007	99	51	7,10	cyclictest	37	-21	ksoftirqd/3	12:30:01	3
2210007	99	51	2,17	cyclictest	2222642	-21	cat	11:15:01	3
2210007	99	51	2,17	cyclictest	2222642	-21	cat	11:15:01	3
2210007	99	51	19,10	cyclictest	37	-21	ksoftirqd/3	10:05:01	3
2209998	99	51	41,7	cyclictest	23	-21	ksoftirqd/1	10:20:00	1
2209993	99	51	32,13	cyclictest	238	-21	systemd-journal	09:55:00	0
2209993	99	51	32,13	cyclictest	238	-21	systemd-journal	09:55:00	0
2210007	99	50	6,10	cyclictest	37	-21	ksoftirqd/3	07:25:01	3
2210007	99	50	5,10	cyclictest	37	-21	ksoftirqd/3	09:45:00	3
2210007	99	50	3,9	cyclictest	2211895	-21	cat	07:45:02	3
2209998	99	50	12,5	cyclictest	13	1	rcu_preempt	07:35:01	1
2209993	99	50	7,27	cyclictest	193	50	irq/34-mmc1	08:50:02	0
2209993	99	50	39,8	cyclictest	2210000	-21	latency_hist	07:10:02	0
2209993	99	50	39,8	cyclictest	2210000	-21	latency_hist	07:10:01	0
2209993	99	50	37,10	cyclictest	1	-21	systemd	11:35:02	0
2209993	99	50	37,10	cyclictest	1	-21	systemd	11:35:01	0
2209993	99	50	31,14	cyclictest	238	-21	systemd-journal	10:45:01	0
2210007	99	49	9,11	cyclictest	37	-21	ksoftirqd/3	07:10:03	3
2210007	99	49	6,7	cyclictest	37	-21	ksoftirqd/3	10:50:00	3
2210007	99	49	5,12	cyclictest	37	-21	ksoftirqd/3	08:35:02	3
2210007	99	49	4,8	cyclictest	37	-21	ksoftirqd/3	11:55:01	3
2210007	99	49	4,14	cyclictest	37	-21	ksoftirqd/3	09:09:59	3
2210007	99	49	3,8	cyclictest	37	-21	ksoftirqd/3	11:10:03	3
2210007	99	49	10,10	cyclictest	37	-21	ksoftirqd/3	11:45:02	3
2209998	99	49	41,6	cyclictest	23	-21	ksoftirqd/1	10:57:29	1
2209993	99	49	35,11	cyclictest	12	-21	ksoftirqd/0	07:56:30	0
2209993	99	49	2,42	cyclictest	1	-21	systemd	10:05:01	0
2209993	99	49	20,3	cyclictest	0	-21	swapper/0	08:10:01	0
2210007	99	48	5,8	cyclictest	37	-21	ksoftirqd/3	08:05:02	3
2210007	99	48	5,8	cyclictest	37	-21	ksoftirqd/3	08:05:01	3
2210007	99	48	3,8	cyclictest	37	-21	ksoftirqd/3	12:35:01	3
2210007	99	48	2,5	cyclictest	2221595	-21	systemctl	10:55:01	3
2210007	99	48	22,9	cyclictest	37	-21	ksoftirqd/3	09:00:00	3
2210007	99	48	1,16	cyclictest	37	-21	ksoftirqd/3	08:45:02	3
2210007	99	48	1,12	cyclictest	37	-21	ksoftirqd/3	10:20:01	3
2210002	99	48	34,11	cyclictest	2219760	-21	cron	10:20:01	2
2209998	99	48	37,8	cyclictest	23	-21	ksoftirqd/1	08:56:31	1
2209998	99	48	32,11	cyclictest	238	-21	systemd-journal	10:15:00	1
2210007	99	47	2,8	cyclictest	2212137	-21	latency_hist	07:50:03	3
2210007	99	47	2,10	cyclictest	37	-21	ksoftirqd/3	09:50:03	3
2210007	99	47	12,8	cyclictest	37	-21	ksoftirqd/3	09:55:03	3
2210007	99	47	12,8	cyclictest	37	-21	ksoftirqd/3	09:55:02	3
2210007	99	47	10,10	cyclictest	37	-21	ksoftirqd/3	09:15:01	3
2210002	99	47	29,14	cyclictest	275	-21	dbus-daemon	11:55:01	2
2210002	99	47	1,3	cyclictest	13	1	rcu_preempt	10:30:01	2
2209998	99	47	37,6	cyclictest	23	-21	ksoftirqd/1	10:05:02	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


Access: public		Short link to this page
This page was last modified on 2021-09-01 - 00:33