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2026-07-13 - 23:00
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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 highest latencies:
System rackdslot2.osadl.org (updated Mon Jul 13, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15222236169,22sleep20-21swapper/207:07:472
16492230163,22sleep00-21swapper/007:09:210
139591215182,21phc2sys0-21swapper/307:06:273
14492203170,22sleep10-21swapper/107:06:541
2685421600,3sleep1200199cyclictest10:15:201
670821560,4sleep3200399cyclictest08:25:233
170329161,22sleep20-21swapper/207:10:012
308392710,2sleep20-21swapper/210:25:002
10662620,1sleep20-21swapper/208:15:182
139291590,1ptp4l401ktimersoftd/309:29:413
1395915335,9phc2sys0-21swapper/307:10:013
139291530,1ptp4l401ktimersoftd/312:32:423
2002995144,4cyclictest14103-21sh09:50:002
42022500,4sleep125-21ksoftirqd/107:15:001
63062460,2sleep00-21swapper/008:25:190
200299450,3cyclictest22129-21kworker/2:110:10:262
2000994527,15cyclictest9-21ksoftirqd/010:04:310
2000994410,21cyclictest19576-21seq08:51:380
139291430,0ptp4l401ktimersoftd/307:52:173
139291420,0ptp4l401ktimersoftd/308:55:453
139291420,0ptp4l401ktimersoftd/308:55:453
2003994136,3cyclictest5478-21cron10:40:003
200199410,39cyclictest5413-21kworker/1:210:47:541
2000994121,17cyclictest9-21ksoftirqd/011:45:130
139291410,0ptp4l401ktimersoftd/312:02:183
139291410,0ptp4l401ktimersoftd/310:20:503
139291410,0ptp4l401ktimersoftd/308:15:113
139291410,0ptp4l401ktimersoftd/308:10:323
2000994028,8cyclictest9-21ksoftirqd/009:05:180
139291400,0ptp4l401ktimersoftd/311:24:553
139291400,0ptp4l401ktimersoftd/308:32:533
41298390,1rtkit-daemon0-21swapper/111:24:481
2001993934,3cyclictest9008-21cron07:29:541
2001993932,4cyclictest25-21ksoftirqd/107:51:581
2003993832,4cyclictest41-21ksoftirqd/311:54:553
2003993832,4cyclictest41-21ksoftirqd/311:44:123
2003993832,4cyclictest41-21ksoftirqd/310:09:203
2003993832,4cyclictest41-21ksoftirqd/308:45:053
2002993831,5cyclictest33-21ksoftirqd/208:46:282
2001993833,3cyclictest25-21ksoftirqd/110:25:011
2000993833,3cyclictest14035-21cron12:09:550
2000993832,3cyclictest9-21ksoftirqd/012:15:000
2003993732,3cyclictest41-21ksoftirqd/312:20:203
2003993732,3cyclictest41-21ksoftirqd/311:09:563
2003993731,4cyclictest41-21ksoftirqd/307:29:023
2003993730,4cyclictest41-21ksoftirqd/309:21:023
2002993732,3cyclictest33-21ksoftirqd/208:10:012
2002993731,4cyclictest33-21ksoftirqd/211:46:442
2002993720,14cyclictest33-21ksoftirqd/212:07:582
2001993730,4cyclictest25-21ksoftirqd/111:50:121
2001993730,4cyclictest25-21ksoftirqd/107:48:501
2000993731,4cyclictest9-21ksoftirqd/011:37:350
2000993731,4cyclictest9-21ksoftirqd/011:10:310
2000993713,21cyclictest24790-21cut07:55:250
2003993631,3cyclictest41-21ksoftirqd/307:47:083
2003993630,4cyclictest41-21ksoftirqd/312:11:013
2003993630,4cyclictest41-21ksoftirqd/308:22:543
2003993630,4cyclictest41-21ksoftirqd/307:31:273
2003993630,4cyclictest41-21ksoftirqd/307:31:273
2003993630,4cyclictest41-21ksoftirqd/307:24:363
2003993629,4cyclictest41-21ksoftirqd/312:06:403
2002993631,3cyclictest33-21ksoftirqd/211:39:302
2002993631,3cyclictest33-21ksoftirqd/208:12:392
2002993630,4cyclictest33-21ksoftirqd/212:30:502
2002993630,4cyclictest33-21ksoftirqd/211:40:542
2002993630,4cyclictest33-21ksoftirqd/211:07:042
2002993630,4cyclictest33-21ksoftirqd/210:47:312
2002993630,4cyclictest33-21ksoftirqd/210:27:212
2002993630,4cyclictest33-21ksoftirqd/210:27:212
2002993630,4cyclictest33-21ksoftirqd/209:53:472
2002993630,4cyclictest33-21ksoftirqd/208:52:532
2002993630,4cyclictest33-21ksoftirqd/207:45:372
2002993617,16cyclictest33-21ksoftirqd/212:36:582
2001993631,3cyclictest25-21ksoftirqd/111:40:361
2001993630,4cyclictest25-21ksoftirqd/108:03:051
2001993629,4cyclictest25-21ksoftirqd/107:43:081
2000993630,4cyclictest9-21ksoftirqd/011:04:580
2000993630,3cyclictest9-21ksoftirqd/010:21:580
2003993530,3cyclictest41-21ksoftirqd/310:19:403
2003993530,3cyclictest41-21ksoftirqd/310:10:113
2003993529,4cyclictest41-21ksoftirqd/311:01:533
2003993529,4cyclictest41-21ksoftirqd/309:57:133
2003993529,4cyclictest41-21ksoftirqd/308:55:003
2003993529,4cyclictest41-21ksoftirqd/308:07:263
2003993528,4cyclictest41-21ksoftirqd/310:51:333
2003993528,4cyclictest41-21ksoftirqd/309:14:363
2002993530,3cyclictest33-21ksoftirqd/210:06:432
2002993530,3cyclictest33-21ksoftirqd/209:35:142
2002993530,3cyclictest33-21ksoftirqd/207:59:302
2002993530,3cyclictest33-21ksoftirqd/207:35:122
2002993529,4cyclictest33-21ksoftirqd/211:11:382
2002993529,4cyclictest33-21ksoftirqd/209:31:162
2002993529,4cyclictest33-21ksoftirqd/208:38:062
2002993529,3cyclictest33-21ksoftirqd/210:50:362
2001993530,3cyclictest25-21ksoftirqd/109:12:461
2001993530,3cyclictest25-21ksoftirqd/107:34:581
2001993530,3cyclictest25-21ksoftirqd/107:34:581
2001993529,4cyclictest25-21ksoftirqd/112:19:371
2001993529,4cyclictest25-21ksoftirqd/110:30:291
2001993529,4cyclictest25-21ksoftirqd/109:44:081
2001993529,4cyclictest25-21ksoftirqd/107:21:011
2001993529,3cyclictest25-21ksoftirqd/109:48:081
2001993529,3cyclictest25-21ksoftirqd/108:21:421
200199350,3cyclictest121rcu_preempt08:52:081
2000993530,3cyclictest9-21ksoftirqd/012:05:000
2000993529,4cyclictest9-21ksoftirqd/012:25:330
2000993529,4cyclictest9-21ksoftirqd/011:22:110
2000993529,4cyclictest9-21ksoftirqd/010:51:020
2000993529,4cyclictest9-21ksoftirqd/009:03:340
2000993529,4cyclictest9-21ksoftirqd/008:07:390
2000993529,4cyclictest9-21ksoftirqd/007:14:590
2000993528,4cyclictest9-21ksoftirqd/010:08:260
2000993528,4cyclictest9-21ksoftirqd/008:10:100
2000993514,18cyclictest7477-21iostat07:20:180
2000993514,18cyclictest22542-21switchtime07:50:270
2002993429,3cyclictest33-21ksoftirqd/207:29:212
2002993428,4cyclictest33-21ksoftirqd/212:18:532
2002993428,4cyclictest33-21ksoftirqd/211:58:072
2002993428,4cyclictest33-21ksoftirqd/211:19:282
2002993428,4cyclictest33-21ksoftirqd/211:00:342
2002993428,4cyclictest33-21ksoftirqd/210:32:062
2002993428,4cyclictest33-21ksoftirqd/209:11:352
2002993428,4cyclictest33-21ksoftirqd/208:33:362
2002993428,4cyclictest33-21ksoftirqd/207:20:122
2002993427,4cyclictest33-21ksoftirqd/207:17:442
2002993427,3cyclictest18769-21cron12:15:002
2001993429,3cyclictest25-21ksoftirqd/110:44:591
2001993428,4cyclictest25-21ksoftirqd/111:31:151
2001993428,4cyclictest25-21ksoftirqd/110:06:451
2001993428,4cyclictest25-21ksoftirqd/109:32:271
2001993428,3cyclictest25-21ksoftirqd/112:20:091
2001993428,3cyclictest25-21ksoftirqd/111:17:541
2001993427,4cyclictest25-21ksoftirqd/111:11:381
2001993427,4cyclictest25-21ksoftirqd/107:35:061
200099349,22cyclictest13298-21grep07:30:280
200099349,22cyclictest13298-21grep07:30:280
2000993429,3cyclictest9-21ksoftirqd/012:20:460
2000993428,4cyclictest9-21ksoftirqd/011:43:210
2000993428,4cyclictest9-21ksoftirqd/009:18:390
2000993428,4cyclictest9-21ksoftirqd/008:36:350
2000993428,3cyclictest9-21ksoftirqd/010:48:590
2000993412,19cyclictest7605-21seq10:41:440
2000993411,20cyclictest20228-21phc2sys-jitter12:15:240
2000993410,21cyclictest337-21dbus-daemon07:45:250
41298330,2rtkit-daemon0-21swapper/010:19:420
2003993329,3cyclictest41-21ksoftirqd/312:29:463
2003993328,3cyclictest41-21ksoftirqd/310:40:433
2003993328,3cyclictest41-21ksoftirqd/309:54:283
2003993327,4cyclictest41-21ksoftirqd/311:37:423
2003993327,4cyclictest41-21ksoftirqd/309:32:293
2003993327,3cyclictest41-21ksoftirqd/311:45:043
2002993328,3cyclictest33-21ksoftirqd/212:26:022
2002993328,3cyclictest33-21ksoftirqd/210:39:322
2002993328,3cyclictest33-21ksoftirqd/210:00:592
2002993328,3cyclictest33-21ksoftirqd/207:34:462
2002993328,3cyclictest33-21ksoftirqd/207:34:452
2002993327,4cyclictest33-21ksoftirqd/212:02:202
2002993327,4cyclictest33-21ksoftirqd/209:25:312
2002993327,4cyclictest33-21ksoftirqd/209:00:312
2002993327,3cyclictest33-21ksoftirqd/209:15:162
2001993328,3cyclictest25-21ksoftirqd/110:35:171
2001993327,4cyclictest25-21ksoftirqd/112:34:571
2001993327,4cyclictest25-21ksoftirqd/110:11:191
2001993327,4cyclictest25-21ksoftirqd/108:35:351
2001993327,3cyclictest25-21ksoftirqd/108:46:231
2001993326,4cyclictest25-21ksoftirqd/108:17:351
2001993326,4cyclictest25-21ksoftirqd/108:06:501
200099338,3cyclictest2508-21cat10:30:250
2000993328,3cyclictest9-21ksoftirqd/012:34:050
2000993328,3cyclictest9-21ksoftirqd/011:09:390
2000993327,4cyclictest9-21ksoftirqd/011:55:120
2000993327,4cyclictest9-21ksoftirqd/009:23:530
2000993327,3cyclictest9-21ksoftirqd/007:36:360
2000993311,19cyclictest677-21sh10:30:000
2000993311,19cyclictest677-21sh10:30:000
2000993310,20cyclictest15668-21ptp4l-jitter09:50:230
2003993228,3cyclictest41-21ksoftirqd/308:35:123
2003993227,3cyclictest41-21ksoftirqd/310:30:193
2003993227,3cyclictest41-21ksoftirqd/310:01:193
2003993226,4cyclictest41-21ksoftirqd/310:45:083
2002993227,3cyclictest33-21ksoftirqd/211:52:192
2002993227,3cyclictest33-21ksoftirqd/211:30:552
2002993227,3cyclictest33-21ksoftirqd/207:50:152
2002993226,4cyclictest33-21ksoftirqd/209:24:032
2002993226,4cyclictest33-21ksoftirqd/208:55:122
2002993226,4cyclictest33-21ksoftirqd/208:55:122
2001993227,3cyclictest25-21ksoftirqd/112:07:131
2001993226,4cyclictest25-21ksoftirqd/112:00:471
2001993226,3cyclictest25-21ksoftirqd/112:25:281
2001993226,3cyclictest25-21ksoftirqd/110:51:511
2001993226,3cyclictest25-21ksoftirqd/109:26:101
2001993225,4cyclictest25-21ksoftirqd/109:16:191
200099329,20cyclictest13722-21sed10:55:200
2000993227,3cyclictest9-21ksoftirqd/011:55:000
2000993227,3cyclictest9-21ksoftirqd/011:15:120
2000993227,3cyclictest9-21ksoftirqd/008:40:100
2000993227,3cyclictest9-21ksoftirqd/008:19:100
2000993226,4cyclictest9-21ksoftirqd/010:38:500
2000993226,4cyclictest9-21ksoftirqd/009:44:540
2000993226,4cyclictest9-21ksoftirqd/007:44:400
2000993225,4cyclictest9-21ksoftirqd/009:37:360
200099321,4cyclictest41298rtkit-daemon09:30:240
2000993212,17cyclictest28881-21unixbench_multi09:10:290
139291320,1ptp4l401ktimersoftd/309:43:143
139291320,0ptp4l401ktimersoftd/309:05:253
2003993126,3cyclictest41-21ksoftirqd/311:56:563
2003993126,3cyclictest41-21ksoftirqd/311:15:143
2003993126,3cyclictest41-21ksoftirqd/310:25:143
2003993126,3cyclictest41-21ksoftirqd/310:25:143
2003993125,4cyclictest41-21ksoftirqd/311:30:523
2003993124,4cyclictest41-21ksoftirqd/307:38:213
2002993126,3cyclictest33-21ksoftirqd/210:16:232
2002993125,4cyclictest33-21ksoftirqd/209:40:592
2001993126,3cyclictest25-21ksoftirqd/112:11:181
2001993126,3cyclictest25-21ksoftirqd/110:57:151
2001993126,3cyclictest25-21ksoftirqd/110:04:421
2001993126,3cyclictest25-21ksoftirqd/109:37:141
2001993126,3cyclictest25-21ksoftirqd/108:25:361
2001993125,4cyclictest25-21ksoftirqd/111:56:061
2001993125,4cyclictest25-21ksoftirqd/109:04:481
2001993125,3cyclictest25-21ksoftirqd/107:55:591
200099316,3cyclictest21805-21grep08:55:280
200099316,3cyclictest21805-21grep08:55:280
2000993126,3cyclictest9-21ksoftirqd/009:29:470
2000993125,4cyclictest9-21ksoftirqd/010:12:190
2000993125,3cyclictest9-21ksoftirqd/008:31:590
200099311,9cyclictest18892-21cat10:00:000
2000993111,18cyclictest13165-21phc2sys09:45:220
139291310,0ptp4l401ktimersoftd/312:18:463
139291310,0ptp4l401ktimersoftd/309:38:273
2003993025,3cyclictest41-21ksoftirqd/307:55:213
2003993024,4cyclictest41-21ksoftirqd/309:03:343
2002993025,3cyclictest33-21ksoftirqd/211:20:572
2002993024,4cyclictest33-21ksoftirqd/209:57:122
2002993024,4cyclictest33-21ksoftirqd/208:44:072
2002993024,4cyclictest33-21ksoftirqd/208:27:022
2001993025,3cyclictest25-21ksoftirqd/112:36:041
2001993025,3cyclictest25-21ksoftirqd/108:40:561
2001993024,4cyclictest25-21ksoftirqd/109:54:311
200099309,3cyclictest28659-21timedrift11:25:270
2000993025,3cyclictest9-21ksoftirqd/012:35:120
2000993023,4cyclictest9-21ksoftirqd/008:25:000
139291300,0ptp4l401ktimersoftd/312:35:323
139291300,0ptp4l401ktimersoftd/309:45:183
139291300,0ptp4l401ktimersoftd/308:02:323
139291300,0ptp4l401ktimersoftd/307:42:113
2003992924,3cyclictest41-21ksoftirqd/311:28:383
2003992924,3cyclictest41-21ksoftirqd/311:11:343
2003992924,3cyclictest41-21ksoftirqd/308:42:303
2002992924,3cyclictest33-21ksoftirqd/212:24:122
2002992924,3cyclictest33-21ksoftirqd/210:57:492
2002992924,3cyclictest33-21ksoftirqd/208:03:292
200299292,26cyclictest22129-21kworker/2:110:40:422
2001992924,3cyclictest25-21ksoftirqd/111:48:151
2001992924,3cyclictest25-21ksoftirqd/111:36:571
2001992924,3cyclictest25-21ksoftirqd/109:21:501
2001992924,3cyclictest25-21ksoftirqd/108:32:011
2001992923,4cyclictest25-21ksoftirqd/111:28:551
2000992924,3cyclictest9-21ksoftirqd/008:48:510
2000992924,3cyclictest9-21ksoftirqd/008:01:560
139291290,0ptp4l401ktimersoftd/310:58:223
139291290,0ptp4l401ktimersoftd/307:16:583
2002992823,3cyclictest33-21ksoftirqd/208:20:112
2002992821,5cyclictest33-21ksoftirqd/211:28:262
2001992823,3cyclictest25-21ksoftirqd/110:25:121
2001992823,3cyclictest25-21ksoftirqd/110:25:121
200099285,3cyclictest30915-21run-parts11:30:270
200099282,4cyclictest9261-21apt-get07:25:140
139291280,0ptp4l401ktimersoftd/309:19:363
2001992722,3cyclictest25-21ksoftirqd/111:05:481
2001992722,3cyclictest25-21ksoftirqd/109:06:401
2001992720,5cyclictest25-21ksoftirqd/107:19:161
200099276,2cyclictest4935-21fschecks_time07:15:190
2002992520,3cyclictest33-21ksoftirqd/209:05:492
2002992519,4cyclictest33-21ksoftirqd/207:40:542
2001992521,3cyclictest25-21ksoftirqd/108:14:321
2001992520,3cyclictest25-21ksoftirqd/111:00:191
2001992417,4cyclictest25-21ksoftirqd/108:56:591
2001992417,4cyclictest25-21ksoftirqd/108:56:591
2001992217,3cyclictest25-21ksoftirqd/109:56:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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