OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, 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.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:

System rackcslot3s.osadl.org (updated Mon Sep 15, 2025 12:43:54)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
32612	2	320	310,8	sleep0	0	-21	swapper/0	07:06:49	0
32518	2	318	303,5	sleep3	0	-21	swapper/3	07:05:36	3
32624	2	315	309,4	sleep2	0	-21	swapper/2	07:07:00	2
32506	2	315	302,10	sleep1	0	-21	swapper/1	07:05:26	1
688	99	295	0,294	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:23:14	1
687	99	295	0,293	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:20:12	0
690	99	293	0,292	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:15:13	3
689	99	293	0,292	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:35:14	2
688	99	293	0,290	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	09:20:14	1
689	99	292	0,291	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:25:15	2
689	99	292	0,291	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:25:15	2
688	99	292	0,291	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:10:14	1
688	99	291	0,290	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:35:14	1
687	99	290	0,289	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:55:14	0
689	99	287	0,286	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:20:13	2
687	99	286	0,285	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:25:14	0
690	99	285	0,284	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:40:13	3
690	99	285	0,284	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:05:12	3
687	99	285	0,284	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:05:16	0
689	99	284	0,283	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	09:00:13	2
687	99	284	0,283	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:00:14	0
687	99	282	0,281	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:40:13	0
690	99	281	0,280	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:25:13	3
690	99	281	0,280	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:35:14	3
688	99	281	0,280	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:53:33	1
687	99	280	0,279	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:47:58	0
690	99	279	0,278	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:50:10	3
688	99	279	0,278	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:22:45	1
690	99	277	0,276	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	09:30:12	3
688	99	277	0,276	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:05:09	1
689	99	276	0,275	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	08:17:53	2
690	99	275	0,274	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:40:12	3
687	99	275	0,274	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:50:10	0
687	99	272	0,271	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	09:50:11	0
688	99	269	0,268	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	09:40:14	1
688	99	269	0,268	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	09:05:15	1
689	99	266	0,265	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	07:15:01	2
690	99	265	0,264	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:50:13	3
690	99	265	0,264	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:40:14	3
688	99	265	0,264	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:00:15	1
689	99	264	0,263	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:15:14	2
690	99	263	0,262	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:20:14	3
689	99	262	0,261	cyclictest	32229	-21	kworker/u16:1+efi_rts_wq	11:10:14	2
687	99	262	0,261	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:30:15	0
688	99	260	0,259	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	08:15:15	1
690	99	259	0,258	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:45:13	3
689	99	259	0,258	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:35:13	2
687	99	259	0,258	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	08:02:50	0
687	99	259	0,258	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:45:13	0
688	99	257	0,256	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:37:46	1
690	99	256	0,255	cyclictest	32229	-21	kworker/u16:1+efi_rts_wq	11:15:13	3
689	99	256	0,255	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:55:14	2
687	99	256	0,255	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:28:28	0
690	99	255	0,254	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:35:14	3
688	99	254	0,253	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:50:14	1
687	99	253	0,252	cyclictest	9866	-21	kworker/u16:2+efi_rts_wq	11:20:13	0
687	99	253	0,252	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	07:12:43	0
690	99	252	0,251	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	07:45:11	3
688	99	250	0,248	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:30:14	1
689	99	248	0,247	cyclictest	9866	-21	kworker/u16:2+efi_rts_wq	11:35:12	2
690	99	247	0,246	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:20:12	3
687	99	246	0,245	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	09:05:15	0
690	99	245	0,244	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:30:13	3
687	99	245	0,244	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	07:35:13	0
687	99	245	0,244	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:15:14	0
688	99	244	0,243	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:57:59	1
689	99	243	0,242	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:15:13	2
687	99	242	0,241	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	08:52:59	0
689	99	241	0,240	cyclictest	9866	-21	kworker/u16:2+efi_rts_wq	12:10:14	2
687	99	241	0,240	cyclictest	32229	-21	kworker/u16:1+efi_rts_wq	11:13:25	0
690	99	238	0,237	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	07:55:15	3
690	99	237	0,236	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:55:14	3
688	99	236	0,235	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	08:50:15	1
689	99	235	0,234	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:42:48	2
687	99	234	0,233	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:28:41	0
687	99	234	0,233	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:55:14	0
687	99	234	0,230	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:05:13	0
689	99	231	0,230	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	07:55:15	2
687	99	231	0,230	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:55:14	0
689	99	229	0,228	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:00:16	2
688	99	228	0,227	cyclictest	32229	-21	kworker/u16:1+efi_rts_wq	11:05:13	1
689	99	226	0,225	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:45:10	2
690	99	223	0,220	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	10:45:16	3
690	99	222	0,221	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:33:29	3
689	99	222	0,221	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	08:00:14	2
689	99	222	0,221	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:35:13	2
687	99	219	0,218	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:10:14	0
690	99	217	0,216	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:10:14	3
687	99	212	0,211	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:40:14	0
690	99	211	0,210	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	08:45:10	3
688	99	208	0,207	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:25:15	1
688	99	206	0,205	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	09:33:06	1
690	99	205	0,204	cyclictest	9866	-21	kworker/u16:2+efi_rts_wq	12:13:37	3
688	99	205	0,204	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	09:38:06	1
689	99	204	0,203	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	11:48:31	2
689	99	203	0,202	cyclictest	12368	-21	kworker/u16:1+efi_rts_wq	07:45:10	2
687	99	203	0,202	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	07:50:14	0
688	99	196	0,195	cyclictest	11960	-21	kworker/u16:0+efi_rts_wq	12:15:13	1
689	99	195	0,194	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:33:18	2
688	99	194	0,193	cyclictest	27632	-21	kworker/u16:2+efi_rts_wq	10:30:13	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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