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 May 18, 2026 00:43:55)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
5648	2	325	319,4	sleep2	0	-21	swapper/2	19:08:26	2
5517	2	318	304,4	sleep1	0	-21	swapper/1	19:06:44	1
5521	2	316	302,5	sleep0	0	-21	swapper/0	19:06:47	0
5430	2	315	308,4	sleep3	0	-21	swapper/3	19:05:38	3
6037	99	302	0,301	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	22:55:12	1
6039	99	301	0,300	cyclictest	31877	-21	kworker/u16:2+efi_rts_wq	22:50:12	3
6036	99	300	0,299	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	19:39:25	0
6038	99	299	0,298	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:50:13	2
6037	99	299	0,298	cyclictest	4577	-21	kworker/u16:3+efi_rts_wq	23:20:09	1
6036	99	297	0,296	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:35:14	0
6036	99	297	0,295	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:15:13	0
6037	99	296	0,295	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	23:51:03	1
6037	99	296	0,295	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	19:30:12	1
6036	99	296	0,295	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:09:55	0
6036	99	296	0,295	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	22:19:56	0
6039	99	295	0,294	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	00:06:05	3
6039	99	294	0,293	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:30:12	3
6038	99	294	0,293	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:05:14	2
6037	99	294	0,293	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	21:04:43	1
6036	99	294	0,293	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:20:13	0
6037	99	293	0,292	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:15:13	1
6037	99	293	0,292	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:30:13	1
6036	99	293	0,292	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	22:25:13	0
6039	99	292	0,291	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	21:24:46	3
6037	99	292	0,291	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:00:12	1
6036	99	292	0,290	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:45:13	0
6039	99	291	0,290	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	19:35:13	3
6037	99	291	0,290	cyclictest	4577	-21	kworker/u16:3+efi_rts_wq	23:35:12	1
6037	99	291	0,290	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:05:13	1
6039	99	289	0,288	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:04:31	3
6039	99	289	0,288	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:40:12	3
6036	99	289	0,288	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:35:10	0
6036	99	288	0,287	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:09:31	0
6038	99	287	0,286	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:05:12	2
6037	99	287	0,286	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:29:47	1
6039	99	286	0,285	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:50:13	3
6038	99	286	0,285	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:05:14	2
6039	99	285	0,284	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	22:04:54	3
6037	99	285	0,283	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:10:14	1
6037	99	284	0,283	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:55:13	1
6037	99	282	0,281	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:05:12	1
6036	99	282	0,281	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:25:13	0
6037	99	281	0,280	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	00:15:14	1
6036	99	280	0,279	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:45:14	0
6036	99	280	0,277	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	23:50:14	0
6036	99	280	0,277	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	21:30:12	0
6039	99	279	0,278	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:29:35	3
6037	99	279	0,278	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:50:14	1
6037	99	278	0,277	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	00:05:12	1
6036	99	278	0,277	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:10:12	0
6036	99	276	0,275	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:09:44	0
6037	99	275	0,274	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:25:12	1
6036	99	273	0,272	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	00:01:05	0
6038	99	271	0,270	cyclictest	4577	-21	kworker/u16:3+efi_rts_wq	23:45:14	2
6038	99	271	0,270	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:55:12	2
6039	99	270	0,269	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:55:12	3
6038	99	270	0,269	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:25:12	2
6037	99	270	0,269	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:55:12	1
6038	99	269	0,268	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:55:13	2
6038	99	268	0,267	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	21:55:12	2
6039	99	265	0,264	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	00:31:10	3
6037	99	265	0,264	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:35:13	1
6037	99	264	0,263	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:15:16	1
6037	99	264	0,263	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	19:54:28	1
6038	99	263	0,262	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	00:10:13	2
6039	99	261	0,260	cyclictest	4577	-21	kworker/u16:3+efi_rts_wq	23:20:13	3
6039	99	261	0,260	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:10:13	3
6036	99	261	0,260	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	22:55:03	0
6039	99	260	0,259	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	23:50:14	3
6038	99	260	0,259	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:55:12	2
6037	99	260	0,259	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:49:39	1
6037	99	260	0,259	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:44:38	1
6039	99	256	0,255	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:20:13	3
6038	99	256	0,255	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	00:05:13	2
6037	99	255	0,254	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:20:15	1
6036	99	255	0,254	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:34:36	0
6039	99	252	0,251	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:25:13	3
6039	99	251	0,250	cyclictest	31877	-21	kworker/u16:2+efi_rts_wq	23:00:04	3
6037	99	250	0,249	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:15:15	1
6038	99	249	0,248	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:15:15	2
6037	99	249	0,248	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:00:14	1
6036	99	247	0,246	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	21:40:12	0
6036	99	247	0,246	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:55:12	0
6038	99	246	0,245	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	00:35:12	2
6039	99	245	0,244	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:45:14	3
6039	99	244	0,243	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:35:14	3
6036	99	243	0,238	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:10:14	0
6036	99	241	0,240	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:24:23	0
6038	99	239	0,238	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:10:14	2
6038	99	238	0,237	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:00:13	2
6037	99	237	0,236	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	22:45:01	1
6036	99	237	0,236	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	21:19:46	0
6037	99	236	0,235	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	19:10:12	1
6039	99	232	0,231	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:40:13	3
6039	99	231	0,230	cyclictest	20807	-21	kworker/u16:3+efi_rts_wq	20:19:33	3
6037	99	231	0,230	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	22:15:14	1
6039	99	228	0,225	cyclictest	10558	-21	kworker/u16:0+efi_rts_wq	23:25:12	3
6036	99	228	0,227	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	19:40:13	0
6038	99	227	0,226	cyclictest	30635	-21	kworker/u16:2+efi_rts_wq	00:21:08	2
6036	99	227	0,226	cyclictest	29845	-21	kworker/u16:1+efi_rts_wq	20:00:12	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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