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2026-05-05 - 14:53
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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 May 05, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11689915050,100cyclictest0-21swapper/509:33:425
115299101100,1cyclictest1841-21nfsd09:33:411
1162999877,21cyclictest49-21ksoftirqd/411:04:194
1162999351,14cyclictest49-21ksoftirqd/410:11:334
1162999351,14cyclictest49-21ksoftirqd/410:11:334
1156998482,1cyclictest1843-21nfsd10:11:333
1156998482,1cyclictest1843-21nfsd10:11:333
117999700,69cyclictest5904-21kworker/7:311:04:207
149852550,0sleep10-21swapper/111:56:521
115299550,54cyclictest26558-21kworker/1:311:04:191
1162995431,1cyclictest49-21ksoftirqd/409:33:414
95732510,0sleep60-21swapper/611:19:096
1153995151,0cyclictest13550irq/24-ahci[00009:33:422
245602500,0sleep00-21swapper/012:28:550
66322490,1sleep56618-21sshd10:10:445
66322490,1sleep56618-21sshd10:10:445
299622490,1sleep729965-21grep10:02:137
247042490,1sleep5116899cyclictest10:15:325
159172490,0sleep10-21swapper/110:05:111
159172490,0sleep10-21swapper/110:05:111
208222480,0sleep020821-21grepconf.sh10:42:350
1175994746,1cyclictest0-21swapper/609:33:426
1175994745,1cyclictest19911-21sshd10:11:336
1175994745,1cyclictest19911-21sshd10:11:336
47552460,0sleep40-21swapper/410:41:344
46762460,0sleep20-21swapper/209:18:032
38382460,0sleep10-21swapper/110:18:091
88222450,1sleep48820-21sshd09:27:584
72392450,0sleep20-21swapper/210:30:112
262892450,2sleep3115699cyclictest10:54:313
252352450,0sleep60-21swapper/609:46:266
144112450,1sleep014414-21bash10:51:480
115462450,0sleep70-21swapper/709:35:467
3212924323,15sleep10-21swapper/107:04:461
281312430,1sleep2115399cyclictest09:56:152
117599436,37cyclictest0-21swapper/611:04:206
78324230,8sleep50-21swapper/507:06:355
67624230,9sleep70-21swapper/707:05:247
317902420,0sleep60-21swapper/611:30:306
305022420,0sleep70-21swapper/709:23:287
241902420,0sleep50-21swapper/512:19:155
234302420,0sleep10-21swapper/109:50:131
195082420,0sleep00-21swapper/009:36:190
72524128,9sleep30-21swapper/307:05:523
69002410,0sleep60-21swapper/608:14:416
6592410,0sleep40-21swapper/410:21:564
214932410,0sleep20-21swapper/209:40:292
30672400,2sleep3115699cyclictest10:19:553
3056624026,9sleep00-21swapper/007:04:290
1151994040,0cyclictest13798-21kworker/0:211:04:190
91632390,0sleep70-21swapper/710:08:547
91632390,0sleep70-21swapper/710:08:547
90623926,9sleep40-21swapper/407:08:024
72423926,9sleep20-21swapper/207:05:512
42242390,0sleep30-21swapper/311:50:133
38962390,0sleep00-21swapper/012:39:120
311382390,0sleep3391rcuc/311:16:253
218812390,0sleep30-21swapper/312:11:043
1151993939,0cyclictest6468-21kworker/0:510:11:330
1151993939,0cyclictest6468-21kworker/0:510:11:330
105272390,0sleep60-21swapper/612:18:206
313952380,2sleep6117599cyclictest10:08:136
313952380,2sleep6117599cyclictest10:08:136
3094923826,8sleep60-21swapper/607:04:356
197142380,0sleep30-21swapper/309:40:223
208372370,0sleep20-21swapper/211:37:312
1153993737,0cyclictest13550irq/24-ahci[00011:04:202
1151993737,0cyclictest5530-21kworker/0:209:33:420
1153993636,0cyclictest13550irq/24-ahci[00010:11:332
1153993636,0cyclictest13550irq/24-ahci[00010:11:332
1156993514,20cyclictest0-21swapper/309:33:423
1179993415,18cyclictest0-21swapper/709:33:427
116899319,0cyclictest0-21swapper/511:04:205
1156993028,1cyclictest1-21systemd11:04:193
190242280,0sleep40-21swapper/410:05:224
190242280,0sleep40-21swapper/410:05:224
117999270,7cyclictest19921-21systemd10:11:337
117999270,7cyclictest19921-21systemd10:11:337
1153992610,3cyclictest33-21ksoftirqd/212:15:062
1152992624,1cyclictest1-21systemd10:11:341
1152992624,1cyclictest1-21systemd10:11:341
117599242,3cyclictest0-21swapper/609:13:576
117599242,3cyclictest0-21swapper/609:13:576
117599240,6cyclictest0-21swapper/612:26:506
117599235,4cyclictest30840-21sshd12:33:066
117599233,7cyclictest0-21swapper/610:42:266
117599220,3cyclictest0-21swapper/609:54:446
1153992212,2cyclictest33-21ksoftirqd/211:26:232
1153992212,1cyclictest33-21ksoftirqd/211:44:552
1153992210,3cyclictest33-21ksoftirqd/210:41:552
1153992210,1cyclictest33-21ksoftirqd/210:09:202
1153992210,1cyclictest33-21ksoftirqd/210:09:202
326522210,0sleep00-21swapper/011:26:240
285492210,0sleep20-21swapper/211:30:182
117599215,4cyclictest25013-21id09:17:176
117599214,3cyclictest25894-21sshd11:10:016
117599214,3cyclictest25439-21bash09:24:586
117599213,5cyclictest0-21swapper/611:57:016
117599213,3cyclictest85150irq/25-em1-rx-009:38:216
117599212,5cyclictest0-21swapper/609:41:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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