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 Sun Jul 05, 2026 12:43:53)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
11058	2	328	322,4	sleep1	0	-21	swapper/1	07:09:36	1
10787	2	317	303,5	sleep0	0	-21	swapper/0	07:06:12	0
10938	2	316	308,5	sleep3	0	-21	swapper/3	07:08:06	3
10754	2	315	307,5	sleep2	0	-21	swapper/2	07:05:45	2
11463	99	299	0,298	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	07:47:33	3
11463	99	299	0,298	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:35:12	3
11460	99	298	0,296	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	11:28:17	1
11458	99	297	0,296	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	12:33:31	0
11458	99	297	0,295	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:30:14	0
11463	99	296	0,295	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	11:55:13	3
11458	99	295	0,294	cyclictest	8435	-21	kworker/u16:3+efi_rts_wq	11:05:13	0
11458	99	294	0,293	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	10:15:11	0
11458	99	294	0,293	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:25:11	0
11460	99	293	0,292	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:55:13	1
11463	99	292	0,291	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	08:22:38	3
11463	99	291	0,290	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:55:13	3
11458	99	291	0,290	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	08:40:13	0
11463	99	290	0,287	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	10:05:12	3
11460	99	289	0,288	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	12:00:13	1
11461	99	288	0,287	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	08:10:12	2
11463	99	286	0,284	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:50:12	3
11463	99	286	0,284	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:50:12	3
11461	99	285	0,284	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:52:33	2
11463	99	284	0,282	cyclictest	5648	-21	kworker/u16:2+efi_rts_wq	10:50:14	3
11463	99	284	0,281	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	08:45:13	3
11463	99	283	0,282	cyclictest	25299	-21	kworker/u16:2+efi_rts_wq	11:50:12	3
11460	99	282	0,281	cyclictest	8435	-21	kworker/u16:3+efi_rts_wq	11:15:12	1
11460	99	282	0,280	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	10:40:14	1
11463	99	281	0,280	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	12:05:12	3
11463	99	281	0,280	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:30:13	3
11460	99	281	0,280	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	07:32:29	1
11460	99	281	0,278	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:50:10	1
11458	99	281	0,280	cyclictest	21078	-21	kworker/u16:0+efi_rts_wq	11:20:12	0
11458	99	280	0,279	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:35:14	0
11458	99	280	0,279	cyclictest	18568	-21	kworker/u16:2+efi_rts_wq	11:10:12	0
11463	99	279	0,278	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	10:35:13	3
11461	99	279	0,278	cyclictest	25299	-21	kworker/u16:2+efi_rts_wq	11:35:13	2
11460	99	279	0,278	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	10:45:13	1
11460	99	279	0,278	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:37:55	1
11460	99	279	0,276	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	10:00:12	1
11461	99	278	0,276	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	10:45:13	2
11458	99	277	0,276	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:25:12	0
11463	99	276	0,275	cyclictest	8435	-21	kworker/u16:3+efi_rts_wq	11:15:12	3
11461	99	276	0,275	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	12:35:12	2
11461	99	276	0,275	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	11:55:13	2
11458	99	276	0,275	cyclictest	8435	-21	kworker/u16:3+efi_rts_wq	10:58:11	0
11458	99	276	0,275	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:00:14	0
11458	99	276	0,275	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	07:55:12	0
11463	99	275	0,273	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	12:20:11	3
11458	99	274	0,273	cyclictest	25299	-21	kworker/u16:2+efi_rts_wq	11:35:14	0
11463	99	273	0,270	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:15:11	3
11463	99	272	0,271	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	07:40:13	3
11461	99	272	0,271	cyclictest	8435	-21	kworker/u16:3+efi_rts_wq	10:55:13	2
11460	99	272	0,271	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:10:12	1
11463	99	271	0,270	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:40:12	3
11463	99	270	0,269	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:20:11	3
11463	99	270	0,269	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:25:12	3
11463	99	269	0,268	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	11:40:11	3
11458	99	268	0,267	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:00:13	0
11461	99	267	0,266	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:55:12	2
11463	99	264	0,263	cyclictest	21078	-21	kworker/u16:0+efi_rts_wq	11:25:13	3
11460	99	264	0,263	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	12:23:28	1
11458	99	264	0,263	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	07:45:12	0
11460	99	263	0,262	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:40:11	1
11463	99	262	0,261	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:25:13	3
11461	99	262	0,261	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	12:05:12	2
11460	99	261	0,260	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	10:20:13	1
11460	99	260	0,259	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:20:13	1
11460	99	260	0,259	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	11:03:12	1
11458	99	260	0,259	cyclictest	25299	-21	kworker/u16:2+efi_rts_wq	11:30:12	0
11461	99	259	0,258	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:12:25	2
11461	99	258	0,257	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:15:12	2
11461	99	258	0,257	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	11:33:18	2
11458	99	258	0,257	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	10:05:12	0
11458	99	257	0,256	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:45:12	0
11458	99	256	0,255	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:22:51	0
11461	99	255	0,253	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:05:11	2
11463	99	253	0,252	cyclictest	8435	-21	kworker/u16:3+efi_rts_wq	10:55:12	3
11458	99	253	0,252	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	12:13:26	0
11463	99	251	0,250	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:15:13	3
11463	99	250	0,249	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	10:15:11	3
11461	99	250	0,249	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	09:05:13	2
11460	99	250	0,249	cyclictest	21078	-21	kworker/u16:0+efi_rts_wq	11:23:16	1
11458	99	248	0,247	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:05:11	0
11461	99	247	0,246	cyclictest	18568	-21	kworker/u16:2+efi_rts_wq	11:13:14	2
11463	99	245	0,244	cyclictest	25299	-21	kworker/u16:2+efi_rts_wq	11:30:12	3
11461	99	245	0,244	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	12:30:14	2
11461	99	244	0,243	cyclictest	8435	-21	kworker/u16:3+efi_rts_wq	11:05:14	2
11460	99	243	0,242	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	12:28:30	1
11460	99	242	0,241	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	09:00:14	1
11460	99	242	0,241	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:27:39	1
11461	99	241	0,240	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	11:53:23	2
11463	99	240	0,239	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	10:30:12	3
11463	99	240	0,237	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	10:10:13	3
11460	99	240	0,239	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	07:15:13	1
11458	99	240	0,239	cyclictest	30511	-21	kworker/u16:0+efi_rts_wq	08:10:13	0
11463	99	238	0,237	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	12:03:24	3
11460	99	233	0,230	cyclictest	27463	-21	kworker/u16:3+efi_rts_wq	08:00:13	1
11463	99	232	0,231	cyclictest	6596	-21	kworker/u16:0+efi_rts_wq	12:15:12	3
11461	99	231	0,230	cyclictest	1453	-21	kworker/u16:1+efi_rts_wq	10:53:10	2
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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