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2026-03-28 - 12:27
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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 Sat Mar 28, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138402860,0sleep70-21swapper/722:21:387
267392820,0sleep60-21swapper/622:48:286
197422720,0sleep30-21swapper/322:18:133
320562520,0sleep50-21swapper/523:57:305
84832490,0sleep20-21swapper/222:02:432
84832490,0sleep20-21swapper/222:02:432
210524925,9sleep50-21swapper/519:02:215
207092490,0sleep30-21swapper/323:41:593
81032470,1sleep6258299cyclictest23:33:536
44322470,0sleep30-21swapper/300:21:553
211972470,0sleep40-21swapper/421:26:254
218024523,8sleep40-21swapper/419:03:164
11592440,0sleep00-21swapper/023:31:390
109732440,0sleep30-21swapper/300:35:253
83062430,1sleep18300-21sshd21:55:211
3231224331,8sleep30-21swapper/319:01:393
322602430,0sleep20-21swapper/221:34:242
318152430,0sleep30-21swapper/323:29:413
269422430,0sleep70-21swapper/722:13:057
280202420,0sleep60-21swapper/600:15:586
268272420,1sleep6631rcuc/600:32:316
18262420,0sleep50-21swapper/522:39:385
63042410,0sleep60-21swapper/623:39:216
293622410,0sleep10-21swapper/122:22:281
161724127,9sleep60-21swapper/619:01:506
30082400,0sleep00-21swapper/023:11:200
238424028,9sleep70-21swapper/719:06:077
222822400,0sleep60-21swapper/622:20:176
260102390,0sleep60-21swapper/623:16:236
227223927,8sleep00-21swapper/019:04:320
213423928,8sleep20-21swapper/219:02:422
213323926,9sleep10-21swapper/119:02:411
204402390,0sleep00-21swapper/023:14:090
13792390,0sleep50-21swapper/521:23:215
114492390,0sleep30-21swapper/322:01:083
114492390,0sleep30-21swapper/322:01:083
293922380,0sleep30-21swapper/323:18:203
172582380,0sleep60-21swapper/622:57:096
172582380,0sleep60-21swapper/622:57:096
67102370,0sleep40-21swapper/400:16:364
66432370,0sleep10-21swapper/100:20:171
211832370,2sleep5257699cyclictest21:35:395
5022360,0sleep50-21swapper/523:48:175
5022360,0sleep50-21swapper/523:48:175
43932360,0sleep70-21swapper/700:18:157
119342360,0sleep10-21swapper/122:40:141
256599259,1cyclictest49-21ksoftirqd/421:53:384
2565992510,2cyclictest49-21ksoftirqd/422:22:064
254299259,1cyclictest25-21ksoftirqd/100:30:031
256599249,1cyclictest49-21ksoftirqd/400:15:194
2565992410,2cyclictest49-21ksoftirqd/423:41:154
256599238,1cyclictest49-21ksoftirqd/422:02:004
256599238,1cyclictest49-21ksoftirqd/422:02:004
256599237,1cyclictest49-21ksoftirqd/421:56:364
256599237,1cyclictest49-21ksoftirqd/421:56:364
2565992311,3cyclictest49-21ksoftirqd/423:12:394
2565992310,3cyclictest49-21ksoftirqd/400:09:524
254299237,1cyclictest25-21ksoftirqd/123:08:481
256599228,3cyclictest49-21ksoftirqd/423:18:264
256599228,3cyclictest49-21ksoftirqd/421:32:304
256599228,1cyclictest49-21ksoftirqd/421:16:274
256599228,1cyclictest49-21ksoftirqd/421:16:274
256599227,3cyclictest49-21ksoftirqd/422:35:174
256599226,3cyclictest49-21ksoftirqd/422:16:444
256599226,3cyclictest49-21ksoftirqd/422:14:514
2565992215,4cyclictest49-21ksoftirqd/421:45:244
2565992211,1cyclictest49-21ksoftirqd/400:24:464
2565992210,3cyclictest49-21ksoftirqd/423:06:424
254299226,4cyclictest25-21ksoftirqd/123:50:391
254299226,4cyclictest25-21ksoftirqd/123:50:391
324972210,1sleep732500-21kworker/u16:222:09:447
324972210,1sleep732500-21kworker/u16:222:09:447
314352210,2sleep6258299cyclictest21:17:386
314352210,2sleep6258299cyclictest21:17:386
256599218,1cyclictest49-21ksoftirqd/423:52:234
256599217,3cyclictest49-21ksoftirqd/400:31:514
256599216,2cyclictest49-21ksoftirqd/400:29:114
2565992117,1cyclictest49-21ksoftirqd/422:42:564
2565992110,3cyclictest49-21ksoftirqd/421:10:054
2542992117,1cyclictest25-21ksoftirqd/121:31:531
2542992110,2cyclictest25-21ksoftirqd/122:12:061
256599209,3cyclictest49-21ksoftirqd/400:01:344
256599206,3cyclictest49-21ksoftirqd/423:57:144
256599206,1cyclictest49-21ksoftirqd/423:30:484
256599206,1cyclictest49-21ksoftirqd/423:00:544
256599206,1cyclictest49-21ksoftirqd/423:00:544
256599206,1cyclictest49-21ksoftirqd/422:30:324
256599205,3cyclictest49-21ksoftirqd/423:46:454
256599205,3cyclictest49-21ksoftirqd/423:46:454
256599204,3cyclictest49-21ksoftirqd/423:04:214
2565992016,3cyclictest49-21ksoftirqd/423:23:144
2565992016,1cyclictest49-21ksoftirqd/421:51:264
2565992016,1cyclictest49-21ksoftirqd/421:38:034
2565992010,1cyclictest49-21ksoftirqd/422:47:174
2557992015,2cyclictest41-21ksoftirqd/322:48:343
254299208,3cyclictest25-21ksoftirqd/121:20:561
254299208,3cyclictest25-21ksoftirqd/121:20:561
254299207,3cyclictest25-21ksoftirqd/100:04:081
2542992018,2cyclictest25-21ksoftirqd/100:10:181
2542992017,2cyclictest25-21ksoftirqd/121:27:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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