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2025-12-03 - 21:52
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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 highest latencies:
System rackdslot4.osadl.org (updated Wed Dec 03, 2025 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427791225161,52phc2sys0-21swapper/307:06:133
427791225161,52phc2sys0-21swapper/307:06:133
324002203169,22sleep10-21swapper/107:07:591
324002203169,22sleep10-21swapper/107:07:591
321702202168,23sleep00-21swapper/007:05:410
321702202168,23sleep00-21swapper/007:05:410
321722199165,23sleep20-21swapper/207:05:432
321722199165,23sleep20-21swapper/207:05:432
1203321490,6sleep041299cyclictest11:50:160
427291770,1ptp4l391rcuc/310:15:253
41599564,11cyclictest29957-21awk09:10:273
41499555,8cyclictest33-21ksoftirqd/211:22:452
41499555,8cyclictest33-21ksoftirqd/211:22:452
41499547,5cyclictest33-21ksoftirqd/209:55:202
415995210,6cyclictest41-21ksoftirqd/310:54:463
41499525,8cyclictest33-21ksoftirqd/210:20:242
41499525,12cyclictest33-21ksoftirqd/211:52:512
159842520,2sleep10-21swapper/107:40:161
415995110,6cyclictest41-21ksoftirqd/309:04:253
41499515,8cyclictest33-21ksoftirqd/208:17:102
41499513,6cyclictest33-21ksoftirqd/210:40:002
41499512,5cyclictest33-21ksoftirqd/207:40:212
41499502,6cyclictest33-21ksoftirqd/210:05:182
414995010,5cyclictest33-21ksoftirqd/210:45:242
415994910,5cyclictest41-21ksoftirqd/312:23:153
41499497,5cyclictest33-21ksoftirqd/210:03:192
41499495,9cyclictest33-21ksoftirqd/212:25:302
414994945,2cyclictest311rcuc/209:15:202
41499492,6cyclictest33-21ksoftirqd/209:45:162
41599489,6cyclictest41-21ksoftirqd/307:16:343
41499485,6cyclictest33-21ksoftirqd/211:11:092
41499485,6cyclictest33-21ksoftirqd/208:27:492
41499482,6cyclictest33-21ksoftirqd/210:20:002
41499480,9cyclictest321ktimersoftd/209:40:182
41499477,6cyclictest33-21ksoftirqd/212:05:012
41499475,7cyclictest0-21swapper/211:30:012
41499475,5cyclictest33-21ksoftirqd/207:55:592
414994743,2cyclictest311rcuc/212:30:132
41499472,6cyclictest33-21ksoftirqd/208:50:012
41499472,6cyclictest33-21ksoftirqd/207:30:002
41599469,5cyclictest41-21ksoftirqd/310:00:173
41599465,6cyclictest28924-21cstates12:25:143
415994610,5cyclictest41-21ksoftirqd/309:21:063
41499466,5cyclictest33-21ksoftirqd/209:10:242
41499463,6cyclictest33-21ksoftirqd/211:03:392
414994628,10cyclictest33-21ksoftirqd/208:55:132
414994627,11cyclictest33-21ksoftirqd/209:00:272
414994627,11cyclictest33-21ksoftirqd/207:50:132
41499462,6cyclictest33-21ksoftirqd/210:25:132
41499462,6cyclictest33-21ksoftirqd/207:15:162
41599459,6cyclictest41-21ksoftirqd/307:44:423
41599459,5cyclictest41-21ksoftirqd/309:19:103
41599456,5cyclictest1264-21snmpd08:55:203
41499454,9cyclictest33-21ksoftirqd/212:05:162
41499454,5cyclictest33-21ksoftirqd/211:40:222
41499453,7cyclictest33-21ksoftirqd/208:10:242
41499452,6cyclictest321ktimersoftd/211:05:162
427291440,0ptp4l401ktimersoftd/308:49:313
41599447,7cyclictest26082-21expr08:00:163
41599445,6cyclictest21462-21irqrtprio07:50:183
41499442,5cyclictest33-21ksoftirqd/208:50:252
41499441,6cyclictest33-21ksoftirqd/209:20:212
427291430,0ptp4l401ktimersoftd/312:14:323
427291430,0ptp4l401ktimersoftd/308:43:453
427291430,0ptp4l401ktimersoftd/307:11:263
41499436,6cyclictest33-21ksoftirqd/210:10:142
41499435,6cyclictest33-21ksoftirqd/209:30:152
414994340,2cyclictest311rcuc/210:50:192
41499432,6cyclictest33-21ksoftirqd/211:45:272
41499431,6cyclictest33-21ksoftirqd/207:20:262
427291420,0ptp4l401ktimersoftd/307:35:203
41599427,5cyclictest41-21ksoftirqd/311:05:093
415994234,5cyclictest41-21ksoftirqd/309:45:123
41599422,5cyclictest0-21swapper/312:00:243
41499427,2cyclictest33-21ksoftirqd/209:25:182
41499426,4cyclictest33-21ksoftirqd/210:30:162
41499423,5cyclictest33-21ksoftirqd/208:35:172
41499422,5cyclictest33-21ksoftirqd/208:40:232
414994216,5cyclictest33-21ksoftirqd/211:37:242
41499420,8cyclictest26228-21/usr/sbin/munin12:20:142
412994237,3cyclictest9-21ksoftirqd/007:40:000
41599411,9cyclictest30394-21chrt08:09:303
41499416,3cyclictest33-21ksoftirqd/208:05:182
41499415,9cyclictest33-21ksoftirqd/208:05:002
41499412,5cyclictest33-21ksoftirqd/211:55:192
41499412,5cyclictest33-21ksoftirqd/209:35:162
413994136,3cyclictest25-21ksoftirqd/108:20:011
41599405,8cyclictest19165-21df_abs09:55:163
41599402,9cyclictest351-21chrt08:13:193
41499406,5cyclictest33-21ksoftirqd/210:40:222
41499405,6cyclictest33-21ksoftirqd/209:05:152
414994036,3cyclictest33-21ksoftirqd/207:35:002
41499403,2cyclictest121rcu_preempt12:10:232
41599397,6cyclictest41-21ksoftirqd/312:30:223
41599396,5cyclictest41-21ksoftirqd/308:53:023
41599395,5cyclictest41-21ksoftirqd/310:23:223
41599394,5cyclictest0-21swapper/310:55:113
415993933,4cyclictest41-21ksoftirqd/310:48:493
415993933,4cyclictest41-21ksoftirqd/307:23:043
41599391,9cyclictest830-21chrt11:26:203
41599390,9cyclictest28208-21taskset11:15:483
41599390,9cyclictest18279-21taskset09:51:513
41499396,6cyclictest33-21ksoftirqd/212:35:222
41499396,3cyclictest33-21ksoftirqd/208:20:232
41499395,7cyclictest33-21ksoftirqd/209:50:132
41499394,7cyclictest33-21ksoftirqd/212:15:172
41499392,6cyclictest33-21ksoftirqd/207:45:192
41499391,5cyclictest33-21ksoftirqd/210:55:132
41499391,5cyclictest0-21swapper/211:30:222
413993934,3cyclictest25-21ksoftirqd/108:30:001
413993932,4cyclictest25-21ksoftirqd/108:56:501
415993832,4cyclictest41-21ksoftirqd/310:44:363
41599381,9cyclictest25988-21chrt11:14:053
41499386,3cyclictest33-21ksoftirqd/211:15:232
41499382,6cyclictest33-21ksoftirqd/208:30:162
413993833,3cyclictest25-21ksoftirqd/111:32:481
413993833,3cyclictest25-21ksoftirqd/110:20:001
413993832,4cyclictest25-21ksoftirqd/110:25:491
413993832,4cyclictest25-21ksoftirqd/109:57:111
413993832,4cyclictest25-21ksoftirqd/109:54:431
413993832,4cyclictest25-21ksoftirqd/108:36:281
413993832,4cyclictest25-21ksoftirqd/108:22:521
413993832,4cyclictest25-21ksoftirqd/108:11:411
413993831,4cyclictest25-21ksoftirqd/112:30:111
413993831,4cyclictest25-21ksoftirqd/111:01:191
413993831,4cyclictest25-21ksoftirqd/109:46:091
413993831,4cyclictest25-21ksoftirqd/109:00:391
413993831,4cyclictest25-21ksoftirqd/108:43:421
41399381,2cyclictest121rcu_preempt12:25:241
41399380,3cyclictest121rcu_preempt07:33:241
412993834,3cyclictest9-21ksoftirqd/011:10:000
412993832,4cyclictest9-21ksoftirqd/010:32:410
412993832,4cyclictest9-21ksoftirqd/010:20:060
412993832,3cyclictest9-21ksoftirqd/012:05:010
41599376,6cyclictest41-21ksoftirqd/311:40:293
415993732,3cyclictest41-21ksoftirqd/307:32:283
415993731,4cyclictest41-21ksoftirqd/311:52:343
415993731,4cyclictest41-21ksoftirqd/309:30:123
415993731,4cyclictest41-21ksoftirqd/309:08:403
415993731,4cyclictest41-21ksoftirqd/307:50:003
41499376,2cyclictest33-21ksoftirqd/207:35:232
413993731,4cyclictest25-21ksoftirqd/111:39:501
413993731,4cyclictest25-21ksoftirqd/107:22:501
413993731,3cyclictest25-21ksoftirqd/109:15:131
413993730,4cyclictest25-21ksoftirqd/110:00:561
412993731,4cyclictest9-21ksoftirqd/011:28:020
412993731,4cyclictest9-21ksoftirqd/011:14:340
412993731,4cyclictest9-21ksoftirqd/010:48:180
412993731,4cyclictest9-21ksoftirqd/009:42:110
412993731,3cyclictest9-21ksoftirqd/012:25:210
412993730,4cyclictest9-21ksoftirqd/008:50:110
41599366,5cyclictest41-21ksoftirqd/311:20:183
41599366,5cyclictest41-21ksoftirqd/311:20:183
415993632,3cyclictest41-21ksoftirqd/308:33:233
414993632,3cyclictest33-21ksoftirqd/207:10:142
413993631,3cyclictest25-21ksoftirqd/110:08:171
413993631,3cyclictest25-21ksoftirqd/109:15:001
413993631,3cyclictest25-21ksoftirqd/108:09:441
413993630,4cyclictest25-21ksoftirqd/112:23:101
413993630,4cyclictest25-21ksoftirqd/111:24:451
413993630,4cyclictest25-21ksoftirqd/111:24:451
413993630,4cyclictest25-21ksoftirqd/110:57:581
413993630,4cyclictest25-21ksoftirqd/109:26:471
413993630,4cyclictest25-21ksoftirqd/107:10:391
413993629,4cyclictest25-21ksoftirqd/110:40:331
412993631,3cyclictest9-21ksoftirqd/011:46:300
412993631,3cyclictest9-21ksoftirqd/008:57:490
412993631,3cyclictest9-21ksoftirqd/007:55:000
412993630,4cyclictest9-21ksoftirqd/012:37:220
412993630,4cyclictest9-21ksoftirqd/010:40:080
412993630,4cyclictest9-21ksoftirqd/009:00:020
412993630,4cyclictest9-21ksoftirqd/008:46:420
412993630,4cyclictest9-21ksoftirqd/007:49:010
412993629,4cyclictest9-21ksoftirqd/012:14:560
412993629,4cyclictest9-21ksoftirqd/009:47:560
41599358,5cyclictest41-21ksoftirqd/310:25:233
415993529,4cyclictest41-21ksoftirqd/312:07:523
415993529,4cyclictest41-21ksoftirqd/310:37:543
413993529,4cyclictest25-21ksoftirqd/111:26:301
413993529,4cyclictest25-21ksoftirqd/111:13:311
413993529,4cyclictest25-21ksoftirqd/110:52:521
413993529,4cyclictest25-21ksoftirqd/107:59:171
413993529,4cyclictest25-21ksoftirqd/107:46:211
413993528,4cyclictest25-21ksoftirqd/112:11:111
413993528,4cyclictest25-21ksoftirqd/110:40:001
413993528,4cyclictest25-21ksoftirqd/108:46:591
413993528,4cyclictest25-21ksoftirqd/107:17:171
412993530,3cyclictest9-21ksoftirqd/008:05:420
412993529,4cyclictest9-21ksoftirqd/011:15:060
412993529,4cyclictest9-21ksoftirqd/010:56:040
412993529,4cyclictest9-21ksoftirqd/010:09:590
412993529,4cyclictest9-21ksoftirqd/008:22:030
412993529,4cyclictest9-21ksoftirqd/007:44:480
412993529,4cyclictest9-21ksoftirqd/007:14:270
412993528,4cyclictest9-21ksoftirqd/009:16:150
412993528,4cyclictest9-21ksoftirqd/009:11:500
36998350,3rtkit-daemon9-21ksoftirqd/011:35:270
41599346,5cyclictest41-21ksoftirqd/310:05:153
415993428,4cyclictest41-21ksoftirqd/311:58:453
415993428,4cyclictest41-21ksoftirqd/311:49:473
415993428,4cyclictest41-21ksoftirqd/308:18:293
413993430,3cyclictest25-21ksoftirqd/111:10:001
413993429,3cyclictest25-21ksoftirqd/111:59:181
413993429,3cyclictest25-21ksoftirqd/109:45:001
413993428,4cyclictest25-21ksoftirqd/112:08:501
413993428,4cyclictest25-21ksoftirqd/111:17:391
413993428,4cyclictest25-21ksoftirqd/110:49:151
413993428,4cyclictest25-21ksoftirqd/109:22:101
413993428,4cyclictest25-21ksoftirqd/109:06:011
413993428,4cyclictest25-21ksoftirqd/108:51:251
412993429,3cyclictest9-21ksoftirqd/012:17:000
412993429,3cyclictest9-21ksoftirqd/012:07:290
412993429,3cyclictest9-21ksoftirqd/011:23:120
412993429,3cyclictest9-21ksoftirqd/011:23:120
412993429,3cyclictest9-21ksoftirqd/010:39:060
412993429,3cyclictest9-21ksoftirqd/010:00:200
412993429,3cyclictest9-21ksoftirqd/009:40:000
412993429,3cyclictest9-21ksoftirqd/009:25:060
412993429,3cyclictest9-21ksoftirqd/009:23:210
412993429,3cyclictest9-21ksoftirqd/007:22:350
412993428,4cyclictest9-21ksoftirqd/010:54:440
412993428,3cyclictest9-21ksoftirqd/011:55:120
412993428,3cyclictest9-21ksoftirqd/009:05:320
412993428,3cyclictest9-21ksoftirqd/008:11:430
415993328,3cyclictest41-21ksoftirqd/310:34:263
415993327,4cyclictest41-21ksoftirqd/309:40:533
415993327,4cyclictest41-21ksoftirqd/309:27:013
413993328,3cyclictest25-21ksoftirqd/112:39:401
413993327,4cyclictest25-21ksoftirqd/111:53:181
413993327,4cyclictest25-21ksoftirqd/110:22:401
412993328,3cyclictest9-21ksoftirqd/009:31:260
412993328,3cyclictest9-21ksoftirqd/008:42:450
412993327,4cyclictest9-21ksoftirqd/012:23:180
412993327,4cyclictest9-21ksoftirqd/010:26:390
412993327,4cyclictest9-21ksoftirqd/008:32:060
412993327,4cyclictest9-21ksoftirqd/008:18:300
412993327,4cyclictest9-21ksoftirqd/007:18:040
41599327,6cyclictest41-21ksoftirqd/308:20:293
41599325,11cyclictest24165-21missed_timers07:55:213
415993227,3cyclictest41-21ksoftirqd/311:33:483
415993227,3cyclictest41-21ksoftirqd/308:29:093
415993226,4cyclictest41-21ksoftirqd/309:38:363
413993227,3cyclictest25-21ksoftirqd/110:33:541
413993227,3cyclictest25-21ksoftirqd/110:14:081
413993227,3cyclictest25-21ksoftirqd/109:30:591
413993226,4cyclictest25-21ksoftirqd/111:43:441
413993226,4cyclictest25-21ksoftirqd/107:28:241
412993227,3cyclictest9-21ksoftirqd/008:01:370
412993225,4cyclictest9-21ksoftirqd/008:26:040
415993126,3cyclictest41-21ksoftirqd/311:00:053
415993125,4cyclictest41-21ksoftirqd/312:35:113
413993126,3cyclictest25-21ksoftirqd/112:02:511
413993125,4cyclictest25-21ksoftirqd/108:30:421
413993125,4cyclictest25-21ksoftirqd/107:51:391
412993126,3cyclictest9-21ksoftirqd/012:31:230
412993126,3cyclictest9-21ksoftirqd/010:16:250
412993126,3cyclictest9-21ksoftirqd/007:58:520
412993126,3cyclictest9-21ksoftirqd/007:31:140
412993125,4cyclictest9-21ksoftirqd/008:39:440
41599305,10cyclictest9859-21seq07:25:463
41599302,12cyclictest5953-21taskset11:37:253
412993025,3cyclictest9-21ksoftirqd/009:51:090
412993025,3cyclictest9-21ksoftirqd/007:26:230
415992924,3cyclictest41-21ksoftirqd/308:35:583
415992923,4cyclictest41-21ksoftirqd/312:18:393
415992823,3cyclictest41-21ksoftirqd/310:14:043
413992823,3cyclictest25-21ksoftirqd/108:05:001
413992823,3cyclictest25-21ksoftirqd/107:40:001
412992824,2cyclictest2327-21irqrtprio11:30:190
412992823,3cyclictest9-21ksoftirqd/011:03:270
412992823,3cyclictest9-21ksoftirqd/009:55:210
413992722,3cyclictest25-21ksoftirqd/112:15:391
413992722,3cyclictest25-21ksoftirqd/111:47:211
412992722,3cyclictest9-21ksoftirqd/011:41:360
413992621,3cyclictest25-21ksoftirqd/109:39:511
412992420,3cyclictest9-21ksoftirqd/010:10:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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