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2026-05-24 - 00:23
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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 rackdslot3.osadl.org (updated Sat May 23, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491226198,19phc2sys0-21swapper/307:05:593
230212206173,22sleep00-21swapper/007:08:200
230222205172,22sleep10-21swapper/107:08:211
229092202169,22sleep20-21swapper/207:06:532
1296821660,4sleep12344799cyclictest11:15:241
23446997430,6cyclictest9-21ksoftirqd/009:00:010
23446997027,4cyclictest9-21ksoftirqd/009:45:240
23447996721,6cyclictest25-21ksoftirqd/109:25:001
23446996629,8cyclictest9-21ksoftirqd/008:45:160
23446996422,4cyclictest9-21ksoftirqd/010:20:170
23446996329,4cyclictest9-21ksoftirqd/010:50:160
23446996323,8cyclictest9-21ksoftirqd/008:25:260
23446996128,7cyclictest9-21ksoftirqd/010:35:000
23447996023,7cyclictest25-21ksoftirqd/112:00:011
23447996022,7cyclictest25-21ksoftirqd/109:30:151
239452590,2sleep30-21swapper/311:40:003
23446995929,3cyclictest9-21ksoftirqd/010:00:010
23446995927,4cyclictest9-21ksoftirqd/008:55:010
23446995918,5cyclictest9-21ksoftirqd/009:27:200
23447995829,13cyclictest25-21ksoftirqd/112:10:211
23446995830,3cyclictest9-21ksoftirqd/007:40:230
23446995820,6cyclictest9-21ksoftirqd/011:40:010
23446995720,8cyclictest9-21ksoftirqd/010:25:230
23446995720,4cyclictest9-21ksoftirqd/007:20:260
23446995718,10cyclictest9-21ksoftirqd/012:25:000
23448995623,4cyclictest33-21ksoftirqd/210:20:212
23447995627,7cyclictest25-21ksoftirqd/111:05:001
23447995625,5cyclictest25-21ksoftirqd/109:55:151
23447995521,4cyclictest25-21ksoftirqd/111:20:121
23447995512,10cyclictest25-21ksoftirqd/108:55:241
23446995518,5cyclictest9-21ksoftirqd/008:11:120
23446995516,7cyclictest9-21ksoftirqd/008:34:110
23446995516,7cyclictest9-21ksoftirqd/007:39:320
139391550,1ptp4l401ktimersoftd/311:45:203
23446995421,6cyclictest9-21ksoftirqd/010:55:240
23446995417,7cyclictest9-21ksoftirqd/011:30:470
23447995325,4cyclictest25-21ksoftirqd/110:15:241
23447995323,4cyclictest25-21ksoftirqd/108:55:001
23447995322,4cyclictest25-21ksoftirqd/112:00:171
23447995321,7cyclictest25-21ksoftirqd/112:19:281
23447995319,4cyclictest25-21ksoftirqd/110:55:001
23447995313,10cyclictest25-21ksoftirqd/111:00:231
23446995327,3cyclictest9-21ksoftirqd/010:10:180
23446995321,4cyclictest9-21ksoftirqd/010:05:000
23446995321,4cyclictest9-21ksoftirqd/009:15:150
23448995223,10cyclictest33-21ksoftirqd/211:05:192
23447995223,3cyclictest25-21ksoftirqd/108:50:011
23447995219,8cyclictest25-21ksoftirqd/111:35:181
23446995217,5cyclictest9-21ksoftirqd/011:59:500
23446995216,7cyclictest9-21ksoftirqd/009:54:510
23448995143,5cyclictest13755-21turbostat11:20:002
23447995136,3cyclictest25-21ksoftirqd/109:40:001
23447995135,3cyclictest25-21ksoftirqd/109:45:281
23447995126,4cyclictest25-21ksoftirqd/109:05:261
23447995121,4cyclictest25-21ksoftirqd/107:50:001
23447995120,4cyclictest25-21ksoftirqd/108:40:001
23447995116,3cyclictest25-21ksoftirqd/107:10:241
23446995125,3cyclictest9-21ksoftirqd/009:35:210
23448995029,4cyclictest33-21ksoftirqd/211:30:202
23447995020,4cyclictest25-21ksoftirqd/108:30:191
23447995019,6cyclictest25-21ksoftirqd/111:10:421
23447995019,5cyclictest25-21ksoftirqd/108:20:251
23447995019,4cyclictest25-21ksoftirqd/109:50:231
23447995018,4cyclictest25-21ksoftirqd/110:20:151
23447994924,4cyclictest25-21ksoftirqd/107:30:181
23447994917,4cyclictest25-21ksoftirqd/111:25:271
23447994916,3cyclictest25-21ksoftirqd/111:40:191
23447994915,11cyclictest25-21ksoftirqd/110:45:151
23447994910,8cyclictest25-21ksoftirqd/108:10:251
23446994916,4cyclictest9-21ksoftirqd/007:31:570
23447994820,9cyclictest25-21ksoftirqd/107:35:281
23447994819,4cyclictest25-21ksoftirqd/112:20:161
23447994816,6cyclictest25-21ksoftirqd/107:15:191
23447994816,14cyclictest25-21ksoftirqd/109:40:141
2344699486,3cyclictest9-21ksoftirqd/012:30:130
23446994818,4cyclictest9-21ksoftirqd/009:08:540
23448994731,14cyclictest33-21ksoftirqd/212:30:002
23447994738,2cyclictest25-21ksoftirqd/112:25:161
23447994731,4cyclictest25-21ksoftirqd/108:40:281
23447994723,5cyclictest25-21ksoftirqd/109:15:191
23447994719,4cyclictest25-21ksoftirqd/109:10:171
23447994715,3cyclictest25-21ksoftirqd/110:30:141
23447994714,3cyclictest25-21ksoftirqd/108:00:171
2344699474,7cyclictest9-21ksoftirqd/010:15:000
2344699474,4cyclictest9-21ksoftirqd/012:39:590
2344699474,2cyclictest121rcu_preempt07:25:150
2344699474,2cyclictest121rcu_preempt07:25:150
23446994729,7cyclictest9-21ksoftirqd/009:40:130
2344699472,2cyclictest121rcu_preempt08:40:270
23447994634,3cyclictest25-21ksoftirqd/110:05:161
23447994631,4cyclictest25-21ksoftirqd/107:25:151
23447994631,4cyclictest25-21ksoftirqd/107:25:151
23447994617,4cyclictest25-21ksoftirqd/110:10:181
23447994615,3cyclictest25-21ksoftirqd/111:45:001
23447994613,4cyclictest25-21ksoftirqd/108:16:021
23447994612,11cyclictest25-21ksoftirqd/107:55:181
2344699467,9cyclictest9-21ksoftirqd/008:15:150
2344699466,6cyclictest9-21ksoftirqd/011:10:420
2344699465,2cyclictest121rcu_preempt10:45:220
2344699463,2cyclictest121rcu_preempt11:35:240
23446994628,10cyclictest9-21ksoftirqd/009:30:140
23446994627,8cyclictest9-21ksoftirqd/009:10:200
2344699462,2cyclictest121rcu_preempt12:04:590
23446994617,3cyclictest9-21ksoftirqd/011:54:180
23447994531,3cyclictest25-21ksoftirqd/111:55:001
23447994526,4cyclictest25-21ksoftirqd/109:00:131
2344799452,4cyclictest18298-21kworker/1:111:30:161
23447994516,3cyclictest25-21ksoftirqd/107:24:061
2344699455,9cyclictest9-21ksoftirqd/008:35:240
2344699455,2cyclictest121rcu_preempt07:15:250
2344699454,2cyclictest121rcu_preempt07:50:140
23448994437,4cyclictest29086-21dump-pmu-power10:44:592
23447994434,3cyclictest25-21ksoftirqd/112:40:001
23447994433,3cyclictest25-21ksoftirqd/109:25:241
23447994416,4cyclictest25-21ksoftirqd/110:00:321
2344799441,3cyclictest25-21ksoftirqd/107:45:001
2344799441,2cyclictest121rcu_preempt10:40:271
2344699444,3cyclictest9-21ksoftirqd/012:15:010
2344699443,3cyclictest9-21ksoftirqd/007:10:260
2344699443,2cyclictest121rcu_preempt10:05:150
2344699442,2cyclictest121rcu_preempt09:00:170
23448994336,4cyclictest6053-21cron08:50:002
23448994329,4cyclictest33-21ksoftirqd/209:40:182
23447994329,4cyclictest25-21ksoftirqd/107:50:141
2344799431,3cyclictest25-21ksoftirqd/110:55:241
2344699436,2cyclictest9-21ksoftirqd/007:55:150
23446994329,4cyclictest9-21ksoftirqd/011:45:010
23446994329,3cyclictest9-21ksoftirqd/008:00:220
139391430,0ptp4l401ktimersoftd/312:12:473
23448994236,3cyclictest33-21ksoftirqd/211:00:012
23448994224,4cyclictest33-21ksoftirqd/209:55:202
23447994230,2cyclictest25-21ksoftirqd/108:05:151
23447994215,4cyclictest25-21ksoftirqd/110:38:081
2344699426,3cyclictest9-21ksoftirqd/010:45:000
23446994227,6cyclictest9-21ksoftirqd/009:20:230
2344699421,3cyclictest207-21systemd-journal10:39:590
23446994211,7cyclictest9-21ksoftirqd/008:06:230
139391420,0ptp4l401ktimersoftd/307:40:233
2344799418,3cyclictest25-21ksoftirqd/112:05:151
23447994128,4cyclictest25-21ksoftirqd/112:30:151
23447994125,7cyclictest25-21ksoftirqd/108:25:271
2344699418,2cyclictest9-21ksoftirqd/011:15:220
2344699415,5cyclictest9-21ksoftirqd/007:45:140
2344699414,7cyclictest9-21ksoftirqd/011:21:230
2344699412,9cyclictest9-21ksoftirqd/008:20:150
2344699412,8cyclictest9-21ksoftirqd/011:05:200
23446994128,3cyclictest9-21ksoftirqd/012:05:150
23446994128,3cyclictest9-21ksoftirqd/011:00:160
139391410,0ptp4l401ktimersoftd/309:00:213
23446994035,3cyclictest9-21ksoftirqd/012:20:010
23448993935,3cyclictest33-21ksoftirqd/209:39:592
23448993935,3cyclictest33-21ksoftirqd/207:20:002
23448993934,3cyclictest33-21ksoftirqd/208:55:012
23448993933,3cyclictest33-21ksoftirqd/209:00:012
23448993927,11cyclictest33-21ksoftirqd/209:30:112
23448993927,10cyclictest33-21ksoftirqd/211:45:242
23448993925,4cyclictest33-21ksoftirqd/210:20:012
23448993922,4cyclictest33-21ksoftirqd/209:20:142
2344799396,3cyclictest19767-21dpkg10:25:111
2344699392,2cyclictest121rcu_preempt12:25:190
2344699391,2cyclictest121rcu_preempt11:25:280
2344899385,4cyclictest3074-21timedrift08:40:262
23448993833,3cyclictest33-21ksoftirqd/212:25:002
23448993833,3cyclictest33-21ksoftirqd/211:15:002
139391380,0ptp4l401ktimersoftd/311:50:263
23448993732,3cyclictest33-21ksoftirqd/211:30:002
23448993732,3cyclictest33-21ksoftirqd/210:39:592
23448993732,2cyclictest33-21ksoftirqd/212:15:182
23448993731,4cyclictest33-21ksoftirqd/210:11:052
23449993631,3cyclictest41-21ksoftirqd/310:20:013
23449993630,4cyclictest41-21ksoftirqd/308:33:233
23449993630,4cyclictest41-21ksoftirqd/307:23:473
23448993632,3cyclictest33-21ksoftirqd/210:45:272
23448993631,3cyclictest33-21ksoftirqd/208:20:012
23448993625,9cyclictest33-21ksoftirqd/210:25:262
23448993622,6cyclictest33-21ksoftirqd/208:25:262
23448993620,5cyclictest33-21ksoftirqd/207:45:142
139391360,0ptp4l401ktimersoftd/309:59:593
23449993530,3cyclictest41-21ksoftirqd/311:40:003
23449993529,4cyclictest41-21ksoftirqd/312:03:003
23449993529,4cyclictest41-21ksoftirqd/311:27:293
23449993529,4cyclictest41-21ksoftirqd/311:05:153
23449993529,4cyclictest41-21ksoftirqd/310:52:073
23449993529,4cyclictest41-21ksoftirqd/308:01:263
23449993529,4cyclictest41-21ksoftirqd/307:26:403
23449993529,4cyclictest41-21ksoftirqd/307:26:393
23449993528,5cyclictest41-21ksoftirqd/308:57:303
23448993532,2cyclictest33-21ksoftirqd/212:35:182
23448993531,3cyclictest33-21ksoftirqd/208:05:002
23448993530,3cyclictest33-21ksoftirqd/212:10:222
23448993530,3cyclictest33-21ksoftirqd/211:55:212
23448993530,3cyclictest33-21ksoftirqd/211:50:212
23448993529,4cyclictest33-21ksoftirqd/209:54:422
23448993529,4cyclictest33-21ksoftirqd/209:06:432
23448993522,4cyclictest33-21ksoftirqd/208:10:242
23448993520,5cyclictest33-21ksoftirqd/211:40:002
23448993520,5cyclictest33-21ksoftirqd/208:20:262
23448993519,5cyclictest33-21ksoftirqd/209:15:192
23448993519,4cyclictest33-21ksoftirqd/209:27:202
139391350,0ptp4l401ktimersoftd/308:20:133
23449993429,3cyclictest41-21ksoftirqd/308:25:193
23449993428,4cyclictest41-21ksoftirqd/312:30:113
23449993428,4cyclictest41-21ksoftirqd/311:10:253
23449993428,4cyclictest41-21ksoftirqd/309:23:253
23449993428,4cyclictest41-21ksoftirqd/309:13:153
23449993428,4cyclictest41-21ksoftirqd/309:09:103
23449993428,4cyclictest41-21ksoftirqd/308:08:403
2344899343,3cyclictest121rcu_preempt07:50:262
23448993430,3cyclictest33-21ksoftirqd/210:55:012
23448993429,3cyclictest33-21ksoftirqd/211:00:232
23448993429,3cyclictest33-21ksoftirqd/209:10:202
23448993428,3cyclictest33-21ksoftirqd/212:30:192
23448993428,3cyclictest33-21ksoftirqd/211:40:012
23448993418,5cyclictest33-21ksoftirqd/211:20:142
139391340,0ptp4l401ktimersoftd/310:10:143
23449993327,4cyclictest41-21ksoftirqd/312:05:443
23449993327,4cyclictest41-21ksoftirqd/310:29:123
23449993327,4cyclictest41-21ksoftirqd/307:51:273
23449993327,4cyclictest41-21ksoftirqd/307:46:173
23449993326,4cyclictest41-21ksoftirqd/307:15:123
23448993329,3cyclictest33-21ksoftirqd/210:30:272
23448993328,3cyclictest33-21ksoftirqd/208:30:112
23448993327,4cyclictest33-21ksoftirqd/212:06:512
23448993327,3cyclictest33-21ksoftirqd/209:00:182
23448993327,3cyclictest33-21ksoftirqd/207:40:192
23448993324,3cyclictest33-21ksoftirqd/209:45:282
23448993323,3cyclictest33-21ksoftirqd/210:05:212
2344899332,15cyclictest33-21ksoftirqd/212:00:262
23448993318,4cyclictest33-21ksoftirqd/207:20:152
23448993317,4cyclictest33-21ksoftirqd/210:00:152
139391330,0ptp4l401ktimersoftd/310:04:593
23449993228,2cyclictest41-21ksoftirqd/312:38:393
23449993227,3cyclictest41-21ksoftirqd/311:21:353
23449993227,3cyclictest41-21ksoftirqd/310:59:133
23449993227,3cyclictest41-21ksoftirqd/308:42:533
23449993226,4cyclictest41-21ksoftirqd/312:17:073
23449993226,4cyclictest41-21ksoftirqd/310:42:333
23449993226,4cyclictest41-21ksoftirqd/309:29:523
23449993226,4cyclictest41-21ksoftirqd/308:50:313
23449993226,4cyclictest41-21ksoftirqd/308:46:513
23448993217,4cyclictest33-21ksoftirqd/208:35:192
23449993126,3cyclictest41-21ksoftirqd/307:10:393
23449993125,4cyclictest41-21ksoftirqd/310:32:303
23449993119,10cyclictest41-21ksoftirqd/309:45:273
23448993128,2cyclictest33-21ksoftirqd/207:10:192
1394913125,3phc2sys41-21ksoftirqd/308:10:243
139391310,0ptp4l401ktimersoftd/310:05:383
139391310,0ptp4l401ktimersoftd/308:35:203
139391310,0ptp4l401ktimersoftd/307:56:533
23449993025,3cyclictest41-21ksoftirqd/312:29:003
23449993025,3cyclictest41-21ksoftirqd/311:31:143
23449993024,4cyclictest41-21ksoftirqd/310:20:373
23449993024,4cyclictest41-21ksoftirqd/309:30:283
23448993025,3cyclictest33-21ksoftirqd/208:00:002
23448993025,3cyclictest33-21ksoftirqd/207:36:342
23448993025,3cyclictest33-21ksoftirqd/207:30:222
139391300,0ptp4l401ktimersoftd/311:55:133
139391300,0ptp4l401ktimersoftd/307:34:203
23449992925,2cyclictest41-21ksoftirqd/311:00:183
23449992924,3cyclictest41-21ksoftirqd/311:18:303
23449992924,3cyclictest41-21ksoftirqd/309:15:483
23449992924,3cyclictest41-21ksoftirqd/307:38:083
23449992923,4cyclictest41-21ksoftirqd/309:50:453
139391290,0ptp4l401ktimersoftd/310:35:283
23449992823,3cyclictest41-21ksoftirqd/309:42:043
23449992823,3cyclictest41-21ksoftirqd/309:38:173
23448992824,2cyclictest33-21ksoftirqd/208:09:592
1394912822,2phc2sys41-21ksoftirqd/310:45:273
23449992721,4cyclictest41-21ksoftirqd/312:20:573
139391270,0ptp4l401ktimersoftd/308:15:453
23448992514,9cyclictest33-21ksoftirqd/207:25:152
23448992514,9cyclictest33-21ksoftirqd/207:25:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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