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2025-11-28 - 07:12
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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
Characteristics of the 100 highest latencies:
System rack5slot0.osadl.org (updated Fri Nov 28, 2025 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2500321620,2sleep124987-21sshd22:00:341
3108921500,3sleep20-21swapper/222:43:242
1658121500,2sleep00-21swapper/021:47:540
1150821420,4sleep1602899cyclictest23:33:211
87821410,2sleep20-21swapper/222:59:032
1107821300,2sleep30-21swapper/323:39:323
3210621290,0sleep00-21swapper/021:19:290
234521280,3sleep3603099cyclictest00:10:223
541921260,2sleep30-21swapper/321:13:583
1290121250,1sleep012899-21sshd00:35:000
911121240,2sleep2417-21jbd2/dm-0-821:11:092
2616121130,1sleep10-21swapper/122:15:421
2616121130,1sleep10-21swapper/122:15:411
2316621100,3sleep0602799cyclictest21:21:330
917921030,1sleep00-21swapper/023:58:170
198402990,4sleep2602999cyclictest23:03:562
566629733,43sleep10-21swapper/119:08:401
53972960,2sleep10-21swapper/122:22:501
305052960,0sleep11845-21nfsd22:46:191
208962960,1sleep10-21swapper/121:15:211
38542950,2sleep10-21swapper/100:20:221
373029534,48sleep30-21swapper/319:05:093
309402940,2sleep10-21swapper/123:23:071
11792940,1sleep10-21swapper/121:37:291
43232920,1sleep34318-21sshd00:34:033
164912900,3sleep20-21swapper/223:06:372
316222880,1sleep30-21swapper/322:01:123
144572880,2sleep30-21swapper/321:23:493
49072860,5sleep1602899cyclictest22:07:471
322202860,4sleep1602899cyclictest00:36:571
113342860,2sleep00-21swapper/021:56:200
320572840,4sleep1602899cyclictest23:14:101
31232830,2sleep30-21swapper/322:46:493
109572830,1sleep20-21swapper/223:33:182
68692820,2sleep36861-21sshd22:38:043
153552820,0sleep00-21swapper/022:38:530
248612810,1sleep20-21swapper/221:42:392
12862810,2sleep10-21swapper/123:51:041
103682810,2sleep10-21swapper/123:15:091
7052790,2sleep11848-21nfsd22:59:031
183642780,2sleep30-21swapper/321:39:083
124772780,1sleep012478-21bash22:14:320
82232770,1sleep08221-21sshd21:41:050
574127736,9sleep20-21swapper/219:09:372
34722770,0sleep00-21swapper/021:28:470
268902760,2sleep20-21swapper/223:22:452
316722750,1sleep30-21swapper/323:14:073
287842750,2sleep328781-21bash00:03:303
263672750,2sleep126358-21sshd00:12:541
283692730,3sleep3603099cyclictest23:19:533
258252680,0sleep225828-21bash23:59:592
21682670,3sleep3603099cyclictest21:34:393
111562650,0sleep211114-21sshd22:50:372
322972640,4sleep1602899cyclictest22:43:311
571925734,11sleep00-21swapper/019:09:190
151632570,1sleep10-21swapper/100:05:191
148982560,0sleep014889-21sshd22:02:410
238762530,5sleep30-21swapper/322:42:403
137672480,42sleep2135650irq/27-eth021:56:352
137182370,34sleep3135650irq/27-eth022:20:333
148122342,30sleep2135650irq/27-eth021:47:452
136952310,0sleep313694-21sshd22:17:353
136952310,0sleep313694-21sshd22:17:353
74122290,2sleep17404-21sshd23:26:551
6029992811,6cyclictest135650irq/27-eth023:44:272
232622280,2sleep223267-21sshd22:21:272
6030992721,1cyclictest32467-21sshd22:25:213
30712271,24sleep2135650irq/27-eth000:13:512
156292270,2sleep344-21ksoftirqd/323:24:453
6029992615,7cyclictest30755-21sshd23:14:022
602899269,16cyclictest22-21ksoftirqd/122:12:181
602899260,18cyclictest22-21ksoftirqd/122:37:331
254352260,24sleep3135650irq/27-eth023:34:443
109932260,3sleep30-21swapper/323:45:423
6030992510,6cyclictest1847-21nfsd23:09:333
254052250,3sleep20-21swapper/222:18:432
254052250,3sleep20-21swapper/222:18:432
138892250,2sleep30-21swapper/321:26:413
123022250,1sleep041ktimersoftd/022:53:560
602999242,13cyclictest26950irq/26-ahci[00022:34:352
6028992410,5cyclictest21181-21id21:57:171
602799241,13cyclictest1959-21sshd22:41:120
203252240,2sleep220324-21sshd00:28:492
6030992318,2cyclictest135650irq/27-eth023:55:213
6030992314,7cyclictest0-21swapper/323:03:003
6028992316,5cyclictest18545-21bash00:15:211
6028992315,6cyclictest1691-21kworker/1:023:39:401
602899231,19cyclictest22-21ksoftirqd/123:56:271
238642230,1sleep01848-21nfsd22:55:040
229542230,21sleep226950irq/26-ahci[00022:03:292
163152230,21sleep1135650irq/27-eth021:26:561
100012230,2sleep19997-21sshd23:45:351
603099226,10cyclictest14200-21bash22:05:333
6030992213,3cyclictest0-21swapper/321:15:313
6030992212,5cyclictest135650irq/27-eth000:06:193
6030992211,8cyclictest0-21swapper/322:54:223
602899224,6cyclictest11114-21sshd22:53:491
6028992216,3cyclictest18686-21bash23:40:151
6028992210,9cyclictest135650irq/27-eth023:02:281
164062220,2sleep20-21swapper/200:21:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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