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 Thu May 14, 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
29318	2	320	310,8	sleep3	0	-21	swapper/3	19:05:41	3
29359	2	318	308,8	sleep2	0	-21	swapper/2	19:06:12	2
29457	2	317	302,5	sleep0	0	-21	swapper/0	19:07:25	0
29515	2	316	309,5	sleep1	0	-21	swapper/1	19:08:11	1
29924	99	300	0,299	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	22:05:12	2
29923	99	299	0,298	cyclictest	18191	-21	kworker/u16:2+efi_rts_wq	00:10:11	1
29922	99	299	0,298	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:50:11	0
29922	99	299	0,298	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:30:14	0
29922	99	299	0,298	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:45:13	0
29925	99	298	0,297	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	22:50:30	3
29925	99	298	0,296	cyclictest	29038	-21	kworker/u16:0+efi_rts_wq	23:10:34	3
29922	99	298	0,297	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:05:12	0
29925	99	297	0,296	cyclictest	17440	-21	kworker/u16:2+efi_rts_wq	22:40:11	3
29922	99	296	0,295	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	20:35:13	0
29922	99	295	0,294	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	22:00:12	0
29923	99	294	0,293	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	20:50:12	1
29925	99	293	0,292	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:06:17	3
29925	99	293	0,289	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	22:20:11	3
29923	99	293	0,292	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:45:13	1
29923	99	293	0,292	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:10:13	1
29922	99	292	0,291	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	20:50:11	0
29924	99	290	0,289	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:50:11	2
29923	99	288	0,286	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	23:50:13	1
29925	99	287	0,286	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:20:13	3
29925	99	285	0,284	cyclictest	29038	-21	kworker/u16:0+efi_rts_wq	23:05:34	3
29923	99	285	0,284	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:45:13	1
29923	99	284	0,283	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	20:30:11	1
29923	99	284	0,283	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:01:17	1
29923	99	283	0,282	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	20:25:12	1
29922	99	281	0,280	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:50:11	0
29922	99	281	0,280	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:15:11	0
29924	99	280	0,279	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	23:30:12	2
29923	99	279	0,278	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	22:10:22	1
29923	99	279	0,278	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:40:11	1
29923	99	279	0,278	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:25:14	1
29924	99	278	0,277	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	19:40:13	2
29922	99	278	0,277	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	22:15:13	0
29925	99	276	0,275	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:00:11	3
29925	99	276	0,274	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	23:30:12	3
29923	99	276	0,275	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	19:59:55	1
29923	99	274	0,273	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:05:12	1
29923	99	274	0,273	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:15:11	1
29922	99	274	0,273	cyclictest	18191	-21	kworker/u16:2+efi_rts_wq	00:20:11	0
29924	99	273	0,272	cyclictest	19945	-21	kworker/u16:1+efi_rts_wq	23:10:13	2
29923	99	272	0,271	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:35:12	1
29923	99	272	0,270	cyclictest	19945	-21	kworker/u16:1+efi_rts_wq	23:05:12	1
29923	99	269	0,268	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:30:12	1
29923	99	268	0,267	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	20:14:59	1
29924	99	267	0,266	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:20:13	2
29922	99	267	0,266	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	19:44:52	0
29924	99	266	0,265	cyclictest	19945	-21	kworker/u16:1+efi_rts_wq	22:55:14	2
29923	99	266	0,265	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	20:15:13	1
29922	99	266	0,265	cyclictest	13820	-21	kworker/u16:3+efi_rts_wq	23:35:40	0
29924	99	264	0,263	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:25:12	2
29923	99	264	0,263	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	19:35:12	1
29922	99	264	0,263	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	20:15:14	0
29922	99	261	0,260	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:00:11	0
29922	99	261	0,259	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	23:50:13	0
29923	99	258	0,257	cyclictest	19945	-21	kworker/u16:1+efi_rts_wq	23:20:13	1
29922	99	256	0,255	cyclictest	17440	-21	kworker/u16:2+efi_rts_wq	23:25:11	0
29925	99	255	0,254	cyclictest	18191	-21	kworker/u16:2+efi_rts_wq	00:30:12	3
29925	99	253	0,252	cyclictest	18191	-21	kworker/u16:2+efi_rts_wq	23:40:12	3
29922	99	253	0,252	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	19:35:12	0
29924	99	252	0,251	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:55:19	2
29922	99	252	0,251	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	19:20:13	0
29924	99	251	0,250	cyclictest	17440	-21	kworker/u16:2+efi_rts_wq	22:45:13	2
29924	99	250	0,249	cyclictest	18191	-21	kworker/u16:2+efi_rts_wq	23:40:12	2
29922	99	248	0,247	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:55:12	0
29922	99	247	0,246	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:15:12	0
29925	99	246	0,245	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:50:18	3
29925	99	244	0,243	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	20:25:11	3
29923	99	244	0,243	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	23:45:13	1
29924	99	243	0,242	cyclictest	17440	-21	kworker/u16:2+efi_rts_wq	23:25:12	2
29922	99	241	0,240	cyclictest	19945	-21	kworker/u16:1+efi_rts_wq	23:05:11	0
29925	99	240	0,239	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:54:55	3
29922	99	240	0,239	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:14:47	0
29922	99	239	0,238	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	20:05:12	0
29922	99	239	0,238	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	20:55:12	0
29925	99	238	0,237	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	20:40:13	3
29924	99	238	0,237	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:15:10	2
29923	99	238	0,236	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	22:05:12	1
29922	99	238	0,237	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	20:20:12	0
29922	99	234	0,233	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:40:11	0
29923	99	231	0,229	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	22:30:12	1
29922	99	230	0,229	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:35:12	0
29922	99	228	0,227	cyclictest	18191	-21	kworker/u16:2+efi_rts_wq	00:30:11	0
29925	99	226	0,224	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:30:12	3
29925	99	225	0,224	cyclictest	17440	-21	kworker/u16:2+efi_rts_wq	22:35:13	3
29925	99	225	0,224	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:25:12	3
29924	99	224	0,223	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	20:40:13	2
29923	99	224	0,223	cyclictest	29038	-21	kworker/u16:0+efi_rts_wq	23:15:12	1
29924	99	223	0,220	cyclictest	18191	-21	kworker/u16:2+efi_rts_wq	00:10:12	2
29925	99	222	0,221	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	21:55:12	3
29923	99	222	0,221	cyclictest	19945	-21	kworker/u16:1+efi_rts_wq	22:55:14	1
29924	99	220	0,219	cyclictest	11548	-21	kworker/u16:0+efi_rts_wq	00:36:23	2
29925	99	219	0,218	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	21:30:13	3
29922	99	219	0,218	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	19:15:11	0
29925	99	217	0,216	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	22:30:26	3
29924	99	217	0,216	cyclictest	25072	-21	kworker/u16:0+efi_rts_wq	19:25:13	2
29922	99	217	0,216	cyclictest	17240	-21	kworker/u16:3+efi_rts_wq	22:25:26	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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