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2026-07-31 - 05:55
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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 Fri Jul 31, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226192205171,23sleep00-21swapper/019:07:230
227072204171,22sleep10-21swapper/119:08:321
225532204171,22sleep20-21swapper/219:06:322
139491204171,22phc2sys0-21swapper/319:09:123
139491163124,13phc2sys0-21swapper/319:10:013
23114997816,60cyclictest0-21swapper/119:30:521
139391740,1ptp4l391rcuc/320:15:263
139391660,1ptp4l401ktimersoftd/319:15:593
139391640,0ptp4l401ktimersoftd/320:59:233
139391620,1ptp4l401ktimersoftd/323:00:293
16762600,2sleep20-21swapper/219:30:272
23114995612,42cyclictest0-21swapper/123:30:331
23113995424,7cyclictest9-21ksoftirqd/021:15:150
23113995216,7cyclictest9-21ksoftirqd/022:45:240
14952520,2sleep30-21swapper/320:40:113
139391510,0ptp4l401ktimersoftd/322:18:343
23115995022,4cyclictest33-21ksoftirqd/222:40:192
23113995021,5cyclictest9-21ksoftirqd/021:00:270
294922490,2sleep10-21swapper/122:45:181
23113994917,6cyclictest9-21ksoftirqd/020:13:240
23113994910,6cyclictest9-21ksoftirqd/019:55:230
23115994827,10cyclictest33-21ksoftirqd/223:40:012
23115994819,4cyclictest33-21ksoftirqd/221:25:002
2311399489,6cyclictest9-21ksoftirqd/019:40:190
23113994829,8cyclictest9-21ksoftirqd/022:35:170
23113994822,7cyclictest9-21ksoftirqd/023:40:170
23113994818,6cyclictest9-21ksoftirqd/021:20:240
23113994815,7cyclictest9-21ksoftirqd/021:35:270
23113994814,7cyclictest9-21ksoftirqd/020:00:240
23113994812,7cyclictest9-21ksoftirqd/019:25:180
23113994812,3cyclictest9-21ksoftirqd/022:00:140
134391480,7getstats2311699cyclictest23:10:053
2311399479,6cyclictest9-21ksoftirqd/000:20:160
23113994719,8cyclictest9-21ksoftirqd/023:50:220
23113994719,7cyclictest9-21ksoftirqd/023:03:150
23113994719,7cyclictest9-21ksoftirqd/019:20:210
23113994718,4cyclictest9-21ksoftirqd/000:32:410
23113994713,6cyclictest9-21ksoftirqd/020:55:170
23113994711,6cyclictest9-21ksoftirqd/021:49:590
2311399469,4cyclictest9-21ksoftirqd/020:05:170
2311399467,5cyclictest9-21ksoftirqd/021:40:150
23113994617,4cyclictest9-21ksoftirqd/023:11:050
23113994616,4cyclictest9-21ksoftirqd/019:50:160
23113994616,3cyclictest9-21ksoftirqd/023:05:200
23113994615,4cyclictest9-21ksoftirqd/020:50:130
23113994613,7cyclictest9-21ksoftirqd/023:15:240
23113994613,3cyclictest9-21ksoftirqd/020:19:100
23113994612,6cyclictest9-21ksoftirqd/019:35:190
23115994516,4cyclictest33-21ksoftirqd/223:05:302
2311399459,4cyclictest9-21ksoftirqd/023:20:260
23113994514,7cyclictest9-21ksoftirqd/019:15:330
23115994413,8cyclictest33-21ksoftirqd/222:25:172
2311499449,33cyclictest0-21swapper/119:45:331
23113994414,4cyclictest9-21ksoftirqd/000:27:020
2311399441,2cyclictest121rcu_preempt20:40:200
139391440,0ptp4l401ktimersoftd/319:45:213
23115994336,4cyclictest30016-21cron19:25:012
23115994310,4cyclictest33-21ksoftirqd/222:10:262
23114994314,27cyclictest0-21swapper/100:07:231
2311399438,6cyclictest9-21ksoftirqd/022:25:010
2311399438,6cyclictest9-21ksoftirqd/022:25:010
2311399438,5cyclictest9-21ksoftirqd/000:05:260
2311399437,4cyclictest9-21ksoftirqd/021:10:150
2311399435,2cyclictest9-21ksoftirqd/023:55:130
23113994313,3cyclictest9-21ksoftirqd/023:30:150
139391430,0ptp4l401ktimersoftd/322:13:323
139391430,0ptp4l401ktimersoftd/321:10:133
23115994213,7cyclictest33-21ksoftirqd/219:55:202
23113994234,5cyclictest9-21ksoftirqd/000:40:010
23113994228,6cyclictest9-21ksoftirqd/022:30:000
23113994214,8cyclictest9-21ksoftirqd/019:47:420
2311399421,3cyclictest121rcu_preempt21:30:240
23113994213,4cyclictest9-21ksoftirqd/020:35:230
2282124232,4sleep10-21swapper/119:10:011
139391420,0ptp4l401ktimersoftd/323:43:383
139391420,0ptp4l401ktimersoftd/323:32:183
139391420,0ptp4l401ktimersoftd/322:35:003
134391420,7getstats2311699cyclictest23:20:053
2311599418,3cyclictest33-21ksoftirqd/220:30:142
2311599418,3cyclictest33-21ksoftirqd/220:30:142
2311599413,8cyclictest33-21ksoftirqd/220:14:592
2311599412,5cyclictest33-21ksoftirqd/220:50:242
23115994111,3cyclictest33-21ksoftirqd/219:50:242
23113994135,3cyclictest9-21ksoftirqd/022:19:590
2311399412,3cyclictest121rcu_preempt21:55:160
57898400,8rtkit-daemon0-21swapper/100:37:301
2311599405,3cyclictest33-21ksoftirqd/220:25:232
23115994034,3cyclictest33-21ksoftirqd/220:40:002
23115994023,7cyclictest33-21ksoftirqd/222:15:192
2311599401,7cyclictest33-21ksoftirqd/220:05:002
2311399401,2cyclictest121rcu_preempt19:10:230
23113994010,6cyclictest9-21ksoftirqd/019:30:200
2311399400,3cyclictest121rcu_preempt23:35:170
134391400,1getstats0-21swapper/320:25:063
57898390,7rtkit-daemon0-21swapper/123:47:121
23116993932,4cyclictest8311-21cron20:55:003
2311599399,7cyclictest33-21ksoftirqd/219:15:262
2311599393,4cyclictest33-21ksoftirqd/220:40:132
23115993934,3cyclictest33-21ksoftirqd/223:49:592
23115993933,3cyclictest33-21ksoftirqd/223:25:302
2311499399,28cyclictest0-21swapper/100:15:231
23113993934,2cyclictest27517-21cron23:49:590
2311399390,3cyclictest121rcu_preempt22:40:230
2311399390,2cyclictest121rcu_preempt22:05:180
139391390,0ptp4l401ktimersoftd/321:20:223
134391390,2getstats0-21swapper/320:30:063
134391390,2getstats0-21swapper/320:30:063
2311599389,7cyclictest33-21ksoftirqd/220:45:232
2311599387,4cyclictest33-21ksoftirqd/222:55:282
2311599384,3cyclictest33-21ksoftirqd/223:10:022
2311599383,6cyclictest33-21ksoftirqd/200:20:132
23115993827,2cyclictest33-21ksoftirqd/219:40:152
23115993821,8cyclictest33-21ksoftirqd/221:00:262
23115993819,5cyclictest33-21ksoftirqd/200:15:182
2311599381,5cyclictest33-21ksoftirqd/200:25:162
2311599381,11cyclictest33-21ksoftirqd/200:35:202
2311599380,10cyclictest33-21ksoftirqd/223:55:002
23114993832,4cyclictest25-21ksoftirqd/119:15:121
23113993834,2cyclictest9-21ksoftirqd/021:25:170
2311399382,5cyclictest9-21ksoftirqd/020:25:250
23113993820,4cyclictest9-21ksoftirqd/022:34:350
2311399380,4cyclictest121rcu_preempt00:15:010
2311599376,9cyclictest33-21ksoftirqd/200:10:182
2311599374,3cyclictest121rcu_preempt00:05:172
2311599374,2cyclictest121rcu_preempt19:10:162
2311599373,7cyclictest33-21ksoftirqd/220:15:232
23115993732,3cyclictest33-21ksoftirqd/222:45:182
23115993732,3cyclictest33-21ksoftirqd/221:15:142
23115993731,4cyclictest33-21ksoftirqd/221:10:482
23115993731,3cyclictest33-21ksoftirqd/220:10:002
23115993725,3cyclictest33-21ksoftirqd/222:05:012
23115993724,10cyclictest33-21ksoftirqd/221:25:212
2311599372,3cyclictest121rcu_preempt21:40:212
2311599371,5cyclictest33-21ksoftirqd/219:35:272
23115993711,7cyclictest33-21ksoftirqd/220:20:242
23115993711,6cyclictest33-21ksoftirqd/221:55:192
2311499374,31cyclictest0-21swapper/119:40:041
23114993731,4cyclictest25-21ksoftirqd/119:51:041
23113993720,4cyclictest9-21ksoftirqd/000:15:270
2311399371,2cyclictest121rcu_preempt20:45:260
2311599367,7cyclictest33-21ksoftirqd/223:00:182
2311599367,3cyclictest121rcu_preempt19:45:152
23115993632,2cyclictest33-21ksoftirqd/221:40:002
23115993618,8cyclictest33-21ksoftirqd/223:15:202
23114993630,4cyclictest25-21ksoftirqd/123:51:381
23114993630,4cyclictest25-21ksoftirqd/122:04:061
23114993630,4cyclictest25-21ksoftirqd/121:18:251
23114993629,5cyclictest25-21ksoftirqd/120:14:311
23114993629,4cyclictest25-21ksoftirqd/120:00:591
23113993631,3cyclictest9-21ksoftirqd/022:50:250
23113993630,3cyclictest9-21ksoftirqd/000:00:170
2311399361,3cyclictest121rcu_preempt22:55:280
2311399360,6cyclictest9-21ksoftirqd/023:28:050
2311399360,2cyclictest121rcu_preempt22:10:240
2311399360,2cyclictest121rcu_preempt21:50:160
134391360,1getstats0-21swapper/320:35:063
23116993530,3cyclictest41-21ksoftirqd/322:50:233
23116993530,3cyclictest41-21ksoftirqd/322:20:113
23116993530,3cyclictest41-21ksoftirqd/322:20:103
23116993529,4cyclictest41-21ksoftirqd/323:47:183
2311599357,3cyclictest33-21ksoftirqd/219:25:432
2311599355,5cyclictest33-21ksoftirqd/223:30:142
2311599355,3cyclictest121rcu_preempt22:50:132
2311599353,4cyclictest33-21ksoftirqd/223:55:282
23115993531,3cyclictest33-21ksoftirqd/223:40:292
23115993531,2cyclictest33-21ksoftirqd/200:00:192
23115993530,3cyclictest33-21ksoftirqd/220:55:202
23115993529,3cyclictest33-21ksoftirqd/222:10:002
23115993528,3cyclictest33-21ksoftirqd/200:30:252
2311599350,3cyclictest33-21ksoftirqd/221:50:182
23114993530,3cyclictest25-21ksoftirqd/123:25:121
23114993529,4cyclictest25-21ksoftirqd/122:41:121
23114993529,4cyclictest25-21ksoftirqd/122:31:511
23114993529,4cyclictest25-21ksoftirqd/119:21:271
2311399353,2cyclictest121rcu_preempt20:20:200
23113993530,3cyclictest9-21ksoftirqd/020:30:220
23113993530,3cyclictest9-21ksoftirqd/020:30:210
139391350,0ptp4l401ktimersoftd/320:45:223
57898340,1rtkit-daemon0-21swapper/120:44:431
23116993429,3cyclictest41-21ksoftirqd/300:11:103
23116993428,4cyclictest41-21ksoftirqd/322:29:083
23116993428,4cyclictest41-21ksoftirqd/321:56:173
23116993428,4cyclictest41-21ksoftirqd/321:07:593
23116993428,4cyclictest41-21ksoftirqd/319:26:463
2311599344,2cyclictest121rcu_preempt22:35:112
23115993430,2cyclictest33-21ksoftirqd/221:30:222
23115993429,3cyclictest33-21ksoftirqd/223:20:212
23115993429,3cyclictest33-21ksoftirqd/222:30:152
23115993429,3cyclictest33-21ksoftirqd/221:45:122
2311599341,4cyclictest33-21ksoftirqd/221:05:232
2311599340,6cyclictest33-21ksoftirqd/222:20:262
2311599340,6cyclictest33-21ksoftirqd/222:20:262
23114993428,4cyclictest25-21ksoftirqd/123:17:431
23114993428,4cyclictest25-21ksoftirqd/122:17:151
23114993428,4cyclictest25-21ksoftirqd/121:55:591
23114993428,4cyclictest25-21ksoftirqd/121:48:461
23114993428,4cyclictest25-21ksoftirqd/120:37:461
23114993427,5cyclictest25-21ksoftirqd/122:23:231
23114993427,5cyclictest25-21ksoftirqd/122:23:231
2311399341,2cyclictest121rcu_preempt21:05:230
23116993328,3cyclictest41-21ksoftirqd/322:31:143
23116993328,3cyclictest41-21ksoftirqd/321:15:023
23116993328,3cyclictest41-21ksoftirqd/319:32:133
23116993328,3cyclictest41-21ksoftirqd/300:06:393
23116993327,4cyclictest41-21ksoftirqd/319:51:583
23116993327,4cyclictest41-21ksoftirqd/300:16:353
23114993328,3cyclictest25-21ksoftirqd/123:39:591
23114993328,3cyclictest25-21ksoftirqd/123:22:451
23114993328,3cyclictest25-21ksoftirqd/122:25:151
23114993328,3cyclictest25-21ksoftirqd/121:20:161
23114993327,4cyclictest25-21ksoftirqd/121:42:531
23114993327,4cyclictest25-21ksoftirqd/120:22:531
23114993327,4cyclictest25-21ksoftirqd/100:23:231
23114993327,4cyclictest25-21ksoftirqd/100:01:561
23114993311,19cyclictest32007-21cut22:50:191
23116993227,3cyclictest41-21ksoftirqd/323:26:133
23116993227,3cyclictest41-21ksoftirqd/320:23:553
23116993227,3cyclictest41-21ksoftirqd/319:58:273
23116993227,3cyclictest41-21ksoftirqd/300:01:073
23116993226,4cyclictest41-21ksoftirqd/322:47:333
23116993226,4cyclictest41-21ksoftirqd/321:31:103
23116993226,4cyclictest41-21ksoftirqd/321:28:263
23116993226,4cyclictest41-21ksoftirqd/300:29:423
23114993227,3cyclictest25-21ksoftirqd/123:58:351
23114993227,3cyclictest25-21ksoftirqd/121:04:521
23114993226,4cyclictest25-21ksoftirqd/120:46:071
23114993226,4cyclictest25-21ksoftirqd/120:06:491
23114993226,4cyclictest25-21ksoftirqd/100:31:411
23114993226,3cyclictest1515-21fschecks_count22:55:171
23114993215,14cyclictest4421-21iostat23:00:221
23114993214,16cyclictest24776-21grep21:25:281
23116993126,3cyclictest41-21ksoftirqd/320:00:113
23116993126,3cyclictest41-21ksoftirqd/319:24:543
23116993125,4cyclictest41-21ksoftirqd/323:15:453
23116993125,4cyclictest41-21ksoftirqd/322:02:193
23116993125,4cyclictest41-21ksoftirqd/321:42:513
23116993125,4cyclictest41-21ksoftirqd/320:10:403
23116993125,4cyclictest41-21ksoftirqd/300:38:533
2311499319,19cyclictest22326-21fschecks_count20:15:151
2311499312,6cyclictest2518-21gnome-shell22:11:591
23114993126,3cyclictest25-21ksoftirqd/123:09:441
23114993126,3cyclictest25-21ksoftirqd/120:57:541
23114993126,3cyclictest25-21ksoftirqd/119:26:481
23114993125,4cyclictest25-21ksoftirqd/121:52:431
23114993125,4cyclictest25-21ksoftirqd/120:30:071
23114993125,4cyclictest25-21ksoftirqd/120:30:071
23114993110,19cyclictest26980-21df_abs20:25:131
139391310,0ptp4l401ktimersoftd/321:03:463
23116993025,3cyclictest41-21ksoftirqd/300:23:493
23116993024,4cyclictest41-21ksoftirqd/321:50:373
23114993025,3cyclictest25-21ksoftirqd/121:10:081
23114993024,4cyclictest25-21ksoftirqd/123:12:051
23114993024,4cyclictest25-21ksoftirqd/122:39:131
23114993024,4cyclictest25-21ksoftirqd/121:37:021
23114993024,4cyclictest25-21ksoftirqd/100:27:191
23114993013,14cyclictest24728-21unixbench_singl23:40:281
23114993010,18cyclictest8315-21sh20:55:011
139391300,0ptp4l401ktimersoftd/321:45:303
23116992924,3cyclictest41-21ksoftirqd/323:08:423
23116992924,3cyclictest41-21ksoftirqd/322:08:183
23116992923,4cyclictest41-21ksoftirqd/322:41:473
23116992923,4cyclictest41-21ksoftirqd/321:37:403
2311499299,18cyclictest12715-21fw_packets19:55:161
2311499292,3cyclictest57898rtkit-daemon21:30:031
139391290,7ptp4l401ktimersoftd/323:51:353
139391290,0ptp4l401ktimersoftd/319:41:423
23116992823,3cyclictest41-21ksoftirqd/323:37:103
23116992821,4cyclictest41-21ksoftirqd/300:34:403
2311499289,16cyclictest3834-21open_inodes19:35:221
23114992823,3cyclictest25-21ksoftirqd/121:09:021
23114992822,4cyclictest25-21ksoftirqd/100:13:111
23116992722,3cyclictest41-21ksoftirqd/320:05:113
23114992721,4cyclictest25-21ksoftirqd/122:05:511
23116992621,3cyclictest41-21ksoftirqd/323:55:273
23116992621,3cyclictest41-21ksoftirqd/322:56:403
23116992419,3cyclictest41-21ksoftirqd/319:35:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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