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 07, 2026 00:43:53)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
12584	2	317	310,5	sleep1	0	-21	swapper/1	19:06:51	1
12750	2	315	308,4	sleep2	0	-21	swapper/2	19:09:00	2
12499	2	315	307,5	sleep0	0	-21	swapper/0	19:05:45	0
12482	2	315	307,5	sleep3	0	-21	swapper/3	19:05:33	3
13096	99	299	0,298	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	21:59:41	2
13095	99	299	0,298	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:50:12	1
13095	99	299	0,298	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:35:13	1
13095	99	298	0,295	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	21:35:14	1
13097	99	293	0,292	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:14:42	3
13096	99	293	0,292	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	21:00:14	2
13096	99	292	0,291	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:35:13	2
13096	99	291	0,290	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:15:13	2
13095	99	291	0,290	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:40:13	1
13094	99	291	0,290	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:30:13	0
13095	99	290	0,289	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:15:12	1
13094	99	290	0,289	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:50:16	0
13095	99	288	0,287	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	23:15:14	1
13094	99	288	0,287	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	20:40:12	0
13097	99	286	0,285	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	21:40:14	3
13097	99	286	0,285	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:45:13	3
13094	99	286	0,283	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:35:13	0
13094	99	285	0,284	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:35:12	0
13094	99	285	0,284	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	21:04:29	0
13094	99	285	0,284	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	19:29:10	0
13095	99	284	0,283	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	21:15:14	1
13095	99	284	0,283	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	20:04:18	1
13094	99	284	0,283	cyclictest	9623	-21	kworker/u16:1+efi_rts_wq	23:00:15	0
13096	99	282	0,281	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:10:15	2
13096	99	281	0,280	cyclictest	14891	-21	kworker/u16:3+efi_rts_wq	00:25:14	2
13096	99	281	0,279	cyclictest	9623	-21	kworker/u16:1+efi_rts_wq	22:55:11	2
13095	99	281	0,280	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:45:13	1
13095	99	281	0,280	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	20:10:14	1
13095	99	280	0,279	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	21:45:14	1
13095	99	280	0,279	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:10:16	1
13096	99	278	0,277	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:20:13	2
13096	99	278	0,277	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	19:40:15	2
13095	99	277	0,276	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:34:57	1
13095	99	276	0,275	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	00:00:14	1
13097	99	275	0,274	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	20:55:14	3
13095	99	275	0,274	cyclictest	14891	-21	kworker/u16:3+efi_rts_wq	00:35:14	1
13095	99	274	0,273	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	21:44:38	1
13095	99	273	0,272	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:19:20	1
13096	99	272	0,271	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:30:14	2
13095	99	272	0,271	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	20:44:25	1
13095	99	272	0,271	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:10:13	1
13094	99	270	0,269	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	20:25:12	0
13094	99	270	0,268	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:30:14	0
13097	99	269	0,267	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	00:00:15	3
13097	99	267	0,266	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:54:28	3
13097	99	267	0,266	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	19:24:10	3
13094	99	267	0,266	cyclictest	14891	-21	kworker/u16:3+efi_rts_wq	00:20:14	0
13095	99	266	0,265	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:05:13	1
13095	99	263	0,262	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	20:34:23	1
13094	99	263	0,260	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	00:05:15	0
13097	99	262	0,261	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:24:56	3
13096	99	262	0,261	cyclictest	17337	-21	kworker/u16:0+efi_rts_wq	23:05:13	2
13097	99	261	0,260	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:50:14	3
13097	99	260	0,259	cyclictest	14891	-21	kworker/u16:3+efi_rts_wq	00:36:31	3
13096	99	260	0,259	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	21:50:15	2
13095	99	260	0,259	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:25:14	1
13094	99	260	0,259	cyclictest	14891	-21	kworker/u16:3+efi_rts_wq	00:26:28	0
13095	99	259	0,258	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:25:12	1
13094	99	259	0,258	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:10:14	0
13096	99	258	0,257	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:00:12	2
13095	99	258	0,257	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:39:12	1
13095	99	258	0,257	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:35:12	1
13094	99	258	0,257	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:30:14	0
13097	99	257	0,256	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	21:00:13	3
13095	99	257	0,256	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	19:59:16	1
13094	99	254	0,253	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:45:12	0
13095	99	253	0,252	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:04:42	1
13094	99	253	0,252	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:40:15	0
13097	99	252	0,251	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:15:13	3
13094	99	252	0,251	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:30:13	0
13097	99	251	0,250	cyclictest	17337	-21	kworker/u16:0+efi_rts_wq	23:04:53	3
13094	99	251	0,250	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	21:30:15	0
13097	99	249	0,248	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	23:45:12	3
13096	99	249	0,248	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:39:59	2
13096	99	248	0,247	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	21:25:13	2
13096	99	248	0,247	cyclictest	12781	-21	kworker/u16:2+efi_rts_wq	00:15:12	2
13095	99	245	0,244	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	19:34:12	1
13095	99	245	0,242	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:35:13	1
13094	99	242	0,241	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:15:13	0
13094	99	241	0,240	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:05:12	0
13094	99	241	0,240	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	19:20:11	0
13094	99	241	0,239	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:50:13	0
13097	99	240	0,239	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	21:25:13	3
13095	99	239	0,238	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	21:05:13	1
13096	99	238	0,237	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	22:25:11	2
13094	99	236	0,235	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	23:29:57	0
13097	99	234	0,233	cyclictest	22364	-21	kworker/u16:1+efi_rts_wq	00:06:25	3
13097	99	233	0,232	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:05:13	3
13094	99	233	0,232	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	21:39:37	0
13095	99	229	0,227	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:50:16	1
13096	99	228	0,227	cyclictest	28304	-21	kworker/u16:0+efi_rts_wq	19:45:11	2
13095	99	228	0,227	cyclictest	9864	-21	kworker/u16:4+efi_rts_wq	22:20:13	1
13094	99	225	0,224	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:20:14	0
13094	99	225	0,223	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	21:10:13	0
13095	99	218	0,217	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	19:20:11	1
13094	99	217	0,216	cyclictest	17728	-21	kworker/u16:3+efi_rts_wq	20:35:13	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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