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 Sep 06, 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
15855	2	320	305,5	sleep3	0	-21	swapper/3	19:07:42	3
15892	2	314	306,5	sleep1	0	-21	swapper/1	19:08:08	1
15766	2	314	306,5	sleep2	0	-21	swapper/2	19:06:33	2
15891	2	313	306,5	sleep0	0	-21	swapper/0	19:08:07	0
16301	99	300	0,299	cyclictest	12189	-21	kworker/u16:2+efi_rts_wq	00:35:40	1
16300	99	300	0,299	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	20:15:13	0
16302	99	299	0,298	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:10:13	2
16302	99	296	0,295	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:45:15	2
16303	99	295	0,293	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:00:14	3
16300	99	295	0,294	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:25:13	0
16301	99	294	0,293	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:15:36	1
16301	99	294	0,293	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:20:13	1
16300	99	294	0,293	cyclictest	12189	-21	kworker/u16:2+efi_rts_wq	00:05:34	0
16303	99	293	0,292	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:45:08	3
16303	99	293	0,292	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:45:14	3
16303	99	292	0,291	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:30:12	3
16302	99	292	0,291	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	20:35:13	2
16301	99	290	0,289	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:40:14	1
16301	99	290	0,289	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:05:15	1
16301	99	289	0,287	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:40:13	1
16303	99	288	0,285	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:55:13	3
16302	99	288	0,287	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:35:12	2
16301	99	288	0,287	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:45:15	1
16303	99	287	0,286	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	20:30:13	3
16301	99	287	0,286	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	19:59:52	1
16301	99	287	0,286	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:25:13	1
16302	99	286	0,284	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:45:14	2
16300	99	282	0,281	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	20:45:12	0
16300	99	282	0,281	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:25:12	0
16301	99	281	0,280	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	22:20:13	1
16301	99	281	0,280	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	21:50:16	1
16301	99	281	0,280	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:50:13	1
16301	99	281	0,280	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:15:13	1
16301	99	278	0,277	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	21:00:01	1
16300	99	278	0,277	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:20:14	0
16301	99	276	0,275	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	20:30:13	1
16302	99	275	0,274	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:55:21	2
16300	99	275	0,274	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	20:25:14	0
16301	99	274	0,273	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:30:16	1
16300	99	273	0,272	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	19:10:13	0
16302	99	272	0,271	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:40:13	2
16300	99	272	0,271	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:15:24	0
16303	99	271	0,269	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	22:55:13	3
16300	99	271	0,270	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	21:30:06	0
16302	99	270	0,269	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:40:12	2
16301	99	268	0,267	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	20:10:14	1
16301	99	268	0,266	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:50:20	1
16302	99	266	0,264	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:50:18	2
16300	99	266	0,265	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:15:12	0
16302	99	265	0,264	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	21:25:13	2
16300	99	265	0,264	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:45:14	0
16303	99	264	0,263	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:10:23	3
16302	99	263	0,261	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:15:13	2
16303	99	262	0,261	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:20:04	3
16303	99	261	0,260	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	20:05:12	3
16301	99	261	0,260	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:55:12	1
16301	99	261	0,260	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:15:13	1
16301	99	260	0,259	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:30:18	1
16302	99	259	0,258	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:20:15	2
16302	99	258	0,257	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	21:35:13	2
16300	99	258	0,256	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:10:13	0
16301	99	257	0,256	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:00:14	1
16300	99	257	0,256	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	22:30:16	0
16300	99	257	0,256	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:05:14	0
16300	99	257	0,256	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:05:14	0
16303	99	256	0,255	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	19:35:13	3
16301	99	256	0,255	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	21:10:02	1
16300	99	256	0,255	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	20:39:59	0
16301	99	255	0,254	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:00:22	1
16303	99	254	0,253	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	20:55:12	3
16303	99	254	0,253	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:35:30	3
16300	99	253	0,252	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	22:00:14	0
16303	99	252	0,251	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	19:19:45	3
16301	99	252	0,251	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:05:12	1
16303	99	251	0,250	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	20:00:12	3
16301	99	251	0,249	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:05:15	1
16301	99	251	0,249	cyclictest	13570	-21	kworker/u16:3+efi_rts_wq	23:05:14	1
16303	99	249	0,248	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:25:13	3
16302	99	249	0,248	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:10:14	2
16301	99	248	0,246	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:30:11	1
16303	99	247	0,246	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:20:14	3
16301	99	247	0,246	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	21:35:13	1
16300	99	247	0,245	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	22:35:17	0
16301	99	245	0,244	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	20:24:56	1
16302	99	243	0,242	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	22:00:10	2
16301	99	243	0,242	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	20:35:13	1
16300	99	243	0,242	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:40:14	0
16300	99	242	0,241	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:40:14	0
16302	99	241	0,240	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:30:17	2
16301	99	241	0,240	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:20:14	1
16300	99	241	0,240	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	22:15:13	0
16303	99	240	0,239	cyclictest	12189	-21	kworker/u16:2+efi_rts_wq	00:10:35	3
16302	99	240	0,239	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	23:25:26	2
16300	99	240	0,239	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	19:50:14	0
16301	99	238	0,237	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	21:30:17	1
16300	99	237	0,236	cyclictest	10118	-21	kworker/u16:2+efi_rts_wq	19:25:13	0
16302	99	235	0,234	cyclictest	15648	-21	kworker/u16:3+efi_rts_wq	21:00:13	2
16302	99	234	0,233	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	19:30:12	2
16300	99	232	0,231	cyclictest	30308	-21	kworker/u16:0+efi_rts_wq	19:30:13	0
16300	99	231	0,230	cyclictest	2721	-21	kworker/u16:0+efi_rts_wq	00:00:14	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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