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2026-08-18 - 21:00
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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 rack3slot0.osadl.org (updated Tue Aug 18, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2935199141122,1cyclictest41-21ksoftirqd/309:57:223
29360997473,1cyclictest1843-21nfsd09:57:225
2936699634,21cyclictest13668-21sshd09:57:236
316442510,0sleep10-21swapper/109:29:301
2902725125,9sleep70-21swapper/707:03:557
166292500,0sleep773-21ksoftirqd/711:44:247
293322490,1sleep029330-21id09:32:570
2883624925,8sleep60-21swapper/607:01:146
254682480,0sleep7711rcuc/711:21:177
137552480,0sleep00-21swapper/012:31:260
84972470,0sleep20-21swapper/211:09:352
68262470,2sleep02933899cyclictest10:42:180
2888924723,9sleep10-21swapper/107:01:571
261052470,0sleep1231rcuc/111:21:191
232072470,0sleep50-21swapper/512:08:255
188822470,1sleep09-21ksoftirqd/009:41:220
188822470,1sleep09-21ksoftirqd/009:41:220
273092460,2sleep12934099cyclictest09:18:251
167952460,2sleep02933899cyclictest10:21:030
306652450,4sleep630663-21bash10:36:236
225822450,0sleep70-21swapper/710:43:137
20052440,1sleep01844-21nfsd09:55:000
8992430,0sleep60-21swapper/610:25:426
2669224324,14sleep20-21swapper/207:00:462
216092430,1sleep1758-21runrttasks10:48:351
8692420,0sleep60-21swapper/612:18:036
7942420,0sleep30-21swapper/310:12:573
288022420,0sleep30-21swapper/309:13:063
74462410,0sleep50-21swapper/511:45:425
32822410,0sleep20-21swapper/209:58:382
2908924129,9sleep30-21swapper/307:04:393
28392410,0sleep10-21swapper/111:00:131
263582410,0sleep60-21swapper/611:50:236
25182410,0sleep00-21swapper/011:00:120
169012410,0sleep10-21swapper/111:04:371
156332410,0sleep10-21swapper/112:11:331
141352410,0sleep20-21swapper/211:56:522
141352410,0sleep20-21swapper/211:56:522
6762400,2sleep2321ktimersoftd/211:00:062
211032400,0sleep40-21swapper/412:17:214
179342400,0sleep00-21swapper/012:24:290
155682400,0sleep00-21swapper/010:39:130
147672400,0sleep00-21swapper/012:02:270
145462400,0sleep10-21swapper/110:31:531
115312400,0sleep50-21swapper/512:02:165
29338993917,21cyclictest11821-21kworker/u16:209:57:230
2887223926,9sleep40-21swapper/407:01:444
2883523927,8sleep50-21swapper/507:01:135
215552390,1sleep32935199cyclictest09:37:573
178182390,0sleep50-21swapper/508:35:535
178182390,0sleep50-21swapper/508:35:535
149802390,0sleep20-21swapper/210:20:572
89862380,0sleep70-21swapper/709:22:477
47142380,2sleep52936099cyclictest09:26:065
29369993837,1cyclictest25965-21kworker/7:509:57:237
2896423827,8sleep00-21swapper/007:03:000
218082380,0sleep40-21swapper/411:59:104
218082380,0sleep40-21swapper/411:59:104
2934099360,36cyclictest24746-21kworker/1:209:57:231
29357993128,2cyclictest13599-21sshd09:57:234
199752300,2sleep62936699cyclictest09:34:166
29347992411,2cyclictest33-21ksoftirqd/212:10:572
2936099230,3cyclictest0-21swapper/509:18:325
29347992313,3cyclictest33-21ksoftirqd/211:44:232
29351992210,1cyclictest41-21ksoftirqd/311:34:183
2934799220,2cyclictest0-21swapper/212:04:002
2936099210,4cyclictest26203-21systemd-cgroups11:23:125
2935199218,2cyclictest41-21ksoftirqd/311:44:293
29351992110,2cyclictest41-21ksoftirqd/309:43:263
29351992110,2cyclictest41-21ksoftirqd/309:43:263
29351992110,1cyclictest41-21ksoftirqd/310:50:523
29347992110,4cyclictest33-21ksoftirqd/209:34:342
29347992015,3cyclictest33-21ksoftirqd/209:53:182
2934799200,1cyclictest33-21ksoftirqd/211:47:312
198012200,0sleep00-21swapper/009:46:510
158532200,0sleep10-21swapper/110:39:141
29360991914,3cyclictest57-21ksoftirqd/510:33:155
2935199198,3cyclictest41-21ksoftirqd/310:41:363
2935199198,2cyclictest41-21ksoftirqd/312:27:383
2935199198,2cyclictest41-21ksoftirqd/312:08:423
2935199197,4cyclictest41-21ksoftirqd/309:16:313
2935199197,2cyclictest41-21ksoftirqd/311:15:513
2935199197,2cyclictest41-21ksoftirqd/310:35:523
29351991914,3cyclictest41-21ksoftirqd/311:23:433
2935199191,3cyclictest41-21ksoftirqd/311:58:233
2935199191,3cyclictest41-21ksoftirqd/311:58:233
2935199190,1cyclictest0-21swapper/310:32:403
2934799199,3cyclictest33-21ksoftirqd/209:10:552
2934799198,3cyclictest33-21ksoftirqd/209:19:282
2934799197,3cyclictest33-21ksoftirqd/211:03:552
2934799197,1cyclictest33-21ksoftirqd/210:41:162
29347991912,1cyclictest33-21ksoftirqd/212:29:082
2934799191,3cyclictest33-21ksoftirqd/209:41:102
2934799191,3cyclictest33-21ksoftirqd/209:41:102
2934799191,3cyclictest29812-21systemd-cgroups10:50:502
2934799190,1cyclictest33-21ksoftirqd/211:36:192
2934799190,1cyclictest33-21ksoftirqd/210:14:452
2934799190,1cyclictest0-21swapper/210:48:222
2936099180,0cyclictest0-21swapper/510:38:025
2935199189,2cyclictest41-21ksoftirqd/312:20:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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