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2026-05-30 - 06:42
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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 376 highest latencies:
System rackdslot4.osadl.org (updated Sat May 30, 2026 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591208173,23phc2sys0-21swapper/319:06:313
193812204171,22sleep00-21swapper/019:09:050
191522203170,22sleep20-21swapper/219:06:142
192012201168,22sleep10-21swapper/119:06:451
1385918662,16phc2sys0-21swapper/319:10:013
138491680,1ptp4l401ktimersoftd/323:56:583
138491680,1ptp4l401ktimersoftd/323:56:583
138491680,1ptp4l401ktimersoftd/322:04:483
252162580,6sleep21974699cyclictest21:30:112
19746995828,7cyclictest33-21ksoftirqd/219:15:012
19746995620,6cyclictest33-21ksoftirqd/200:15:262
138491560,1ptp4l391rcuc/322:25:163
19746995525,8cyclictest33-21ksoftirqd/219:50:002
138491550,1ptp4l401ktimersoftd/319:15:453
19746995427,8cyclictest33-21ksoftirqd/221:40:012
19746995424,4cyclictest33-21ksoftirqd/222:35:152
19746995420,4cyclictest33-21ksoftirqd/220:55:012
19746995323,4cyclictest33-21ksoftirqd/221:00:002
19746995323,4cyclictest33-21ksoftirqd/219:15:242
138491530,8ptp4l401ktimersoftd/319:36:113
19746995223,7cyclictest33-21ksoftirqd/221:10:002
19746995222,7cyclictest33-21ksoftirqd/220:25:002
19746995220,4cyclictest33-21ksoftirqd/200:20:182
19746995215,5cyclictest33-21ksoftirqd/221:45:242
19746995211,6cyclictest33-21ksoftirqd/221:15:212
19746995139,3cyclictest33-21ksoftirqd/222:29:592
19746995122,7cyclictest33-21ksoftirqd/219:30:002
19746995121,5cyclictest33-21ksoftirqd/222:15:262
19746995121,3cyclictest33-21ksoftirqd/222:55:132
19746995121,3cyclictest33-21ksoftirqd/222:55:132
19746995117,4cyclictest33-21ksoftirqd/220:10:232
1974699507,6cyclictest33-21ksoftirqd/219:35:182
19746995024,6cyclictest33-21ksoftirqd/223:10:012
19746995023,4cyclictest33-21ksoftirqd/220:05:272
19746995021,7cyclictest33-21ksoftirqd/223:30:012
19746994923,6cyclictest33-21ksoftirqd/220:20:002
19746994922,6cyclictest33-21ksoftirqd/221:55:152
19746994921,7cyclictest33-21ksoftirqd/223:05:012
19746994919,4cyclictest33-21ksoftirqd/220:37:432
19746994918,3cyclictest33-21ksoftirqd/223:35:192
19746994918,3cyclictest33-21ksoftirqd/200:25:162
19746994918,3cyclictest33-21ksoftirqd/200:25:152
19746994915,6cyclictest33-21ksoftirqd/223:25:002
19746994914,8cyclictest33-21ksoftirqd/223:25:222
19746994914,6cyclictest33-21ksoftirqd/223:50:252
1974699486,7cyclictest33-21ksoftirqd/200:05:282
19746994822,6cyclictest33-21ksoftirqd/219:30:262
19746994818,4cyclictest33-21ksoftirqd/222:12:592
19746994818,4cyclictest33-21ksoftirqd/200:30:122
19746994815,4cyclictest33-21ksoftirqd/221:10:152
19744994814,5cyclictest9-21ksoftirqd/021:15:170
19746994718,6cyclictest33-21ksoftirqd/219:40:122
19746994717,3cyclictest33-21ksoftirqd/219:55:152
19746994714,6cyclictest33-21ksoftirqd/222:35:002
19746994714,4cyclictest33-21ksoftirqd/223:55:142
19746994714,4cyclictest33-21ksoftirqd/223:55:142
1974699471,3cyclictest33-21ksoftirqd/221:00:132
19746994618,4cyclictest33-21ksoftirqd/220:40:142
19746994616,7cyclictest33-21ksoftirqd/200:35:132
19746994614,4cyclictest33-21ksoftirqd/200:14:592
19746994611,6cyclictest33-21ksoftirqd/223:15:112
19746994611,4cyclictest33-21ksoftirqd/222:00:232
19746994517,3cyclictest33-21ksoftirqd/220:30:002
19746994516,7cyclictest33-21ksoftirqd/221:50:182
19746994516,3cyclictest33-21ksoftirqd/222:53:302
19746994515,5cyclictest33-21ksoftirqd/222:45:152
19746994514,9cyclictest33-21ksoftirqd/222:45:002
19746994514,4cyclictest33-21ksoftirqd/221:44:042
138491450,0ptp4l401ktimersoftd/300:05:273
1974699447,6cyclictest33-21ksoftirqd/221:20:232
19746994419,6cyclictest33-21ksoftirqd/219:50:182
19746994411,5cyclictest33-21ksoftirqd/223:40:022
19746994411,5cyclictest33-21ksoftirqd/220:45:242
138491440,0ptp4l401ktimersoftd/322:42:213
138491440,0ptp4l401ktimersoftd/321:58:583
19747994338,3cyclictest41-21ksoftirqd/323:40:113
19746994312,6cyclictest33-21ksoftirqd/223:45:122
1974699430,3cyclictest33-21ksoftirqd/220:30:232
1974699430,3cyclictest33-21ksoftirqd/220:30:222
138491430,1ptp4l401ktimersoftd/319:57:393
1974699428,4cyclictest33-21ksoftirqd/223:10:182
1974699424,3cyclictest121rcu_preempt21:25:142
19744994211,4cyclictest9-21ksoftirqd/023:45:170
19747994136,3cyclictest25468-21fschecks_count21:30:133
19745994135,3cyclictest29591-21cron22:44:591
138491410,0ptp4l401ktimersoftd/323:39:563
1974699409,8cyclictest33-21ksoftirqd/222:05:152
19746994022,4cyclictest33-21ksoftirqd/222:20:132
19745994034,3cyclictest25-21ksoftirqd/121:20:001
138491400,0ptp4l401ktimersoftd/321:05:023
19745993934,3cyclictest25-21ksoftirqd/123:14:591
19745993933,3cyclictest25-21ksoftirqd/121:05:001
1974499394,4cyclictest418-21in:imuxsock23:43:240
19744993934,3cyclictest9-21ksoftirqd/019:55:010
19744993934,3cyclictest9-21ksoftirqd/019:40:170
19744993934,3cyclictest2416-21basename00:00:010
19744993934,3cyclictest2416-21basename00:00:010
138491390,0ptp4l401ktimersoftd/323:24:453
138491390,0ptp4l401ktimersoftd/300:13:293
19747993822,13cyclictest2253-21sh21:50:003
1974699389,9cyclictest33-21ksoftirqd/219:25:002
19746993833,3cyclictest33-21ksoftirqd/220:00:112
19746993833,3cyclictest33-21ksoftirqd/200:05:012
19745993832,3cyclictest25-21ksoftirqd/123:40:011
19744993835,2cyclictest9-21ksoftirqd/023:00:000
19744993835,2cyclictest9-21ksoftirqd/022:59:590
19744993833,3cyclictest9-21ksoftirqd/019:25:170
19747993731,4cyclictest41-21ksoftirqd/322:53:213
19747993731,3cyclictest29652-21cron21:40:013
19745993733,2cyclictest25-21ksoftirqd/123:05:001
19745993732,3cyclictest25-21ksoftirqd/121:59:591
19745993732,3cyclictest25-21ksoftirqd/120:55:141
19745993732,3cyclictest25-21ksoftirqd/120:45:241
19745993731,3cyclictest25-21ksoftirqd/122:50:001
19744993731,4cyclictest9-21ksoftirqd/020:09:380
19744993731,4cyclictest9-21ksoftirqd/000:38:150
138491370,0ptp4l401ktimersoftd/321:15:273
19747993631,3cyclictest41-21ksoftirqd/321:21:583
19747993630,4cyclictest41-21ksoftirqd/323:32:353
19747993630,4cyclictest41-21ksoftirqd/320:28:183
19747993630,4cyclictest41-21ksoftirqd/320:06:483
19747993630,4cyclictest41-21ksoftirqd/319:49:433
1974599364,2cyclictest25-21ksoftirqd/119:30:251
19745993632,3cyclictest25-21ksoftirqd/120:35:001
19745993632,3cyclictest25-21ksoftirqd/120:35:001
19745993631,3cyclictest25-21ksoftirqd/123:45:131
19745993631,3cyclictest25-21ksoftirqd/121:35:201
19745993631,3cyclictest25-21ksoftirqd/121:05:191
19745993631,3cyclictest25-21ksoftirqd/120:20:001
19745993630,4cyclictest25-21ksoftirqd/123:28:401
19745993630,3cyclictest25-21ksoftirqd/123:55:251
19745993630,3cyclictest25-21ksoftirqd/123:55:241
19745993630,3cyclictest25-21ksoftirqd/119:20:231
19745993629,4cyclictest25-21ksoftirqd/121:25:011
19745993629,4cyclictest25-21ksoftirqd/119:47:041
19744993631,4cyclictest9-21ksoftirqd/020:40:000
19744993631,3cyclictest9-21ksoftirqd/022:40:010
19744993631,3cyclictest9-21ksoftirqd/020:35:000
19744993631,3cyclictest9-21ksoftirqd/020:35:000
19744993630,4cyclictest9-21ksoftirqd/023:51:500
19744993630,4cyclictest9-21ksoftirqd/022:46:200
19744993630,4cyclictest9-21ksoftirqd/021:13:250
19744993630,4cyclictest9-21ksoftirqd/020:12:390
19744993630,4cyclictest9-21ksoftirqd/020:03:240
19744993630,3cyclictest9-21ksoftirqd/019:33:550
19744993629,5cyclictest9-21ksoftirqd/022:25:000
1974499361,3cyclictest121rcu_preempt21:40:010
19747993530,3cyclictest41-21ksoftirqd/320:43:213
19747993530,3cyclictest41-21ksoftirqd/300:35:113
19747993529,4cyclictest41-21ksoftirqd/323:25:373
19747993529,4cyclictest41-21ksoftirqd/319:26:043
19747993529,4cyclictest41-21ksoftirqd/300:26:083
19747993529,4cyclictest41-21ksoftirqd/300:26:073
1974599354,4cyclictest25-21ksoftirqd/122:00:151
19745993532,2cyclictest25-21ksoftirqd/123:40:131
19745993531,2cyclictest25-21ksoftirqd/122:05:131
19745993530,3cyclictest25-21ksoftirqd/122:24:591
19745993530,3cyclictest25-21ksoftirqd/121:50:001
19745993530,3cyclictest25-21ksoftirqd/121:30:111
19745993530,3cyclictest25-21ksoftirqd/119:55:131
19745993530,3cyclictest25-21ksoftirqd/100:30:131
19745993529,4cyclictest25-21ksoftirqd/122:12:591
19745993529,4cyclictest25-21ksoftirqd/121:14:101
19745993529,4cyclictest25-21ksoftirqd/119:27:431
19745993529,4cyclictest25-21ksoftirqd/100:16:231
19745993529,3cyclictest25-21ksoftirqd/120:20:181
19745993529,3cyclictest25-21ksoftirqd/120:10:131
19745993528,4cyclictest25-21ksoftirqd/122:19:161
19744993531,2cyclictest9-21ksoftirqd/023:00:180
19744993530,3cyclictest9-21ksoftirqd/023:10:180
19744993530,3cyclictest9-21ksoftirqd/022:30:160
19744993530,3cyclictest9-21ksoftirqd/022:15:190
19744993529,4cyclictest9-21ksoftirqd/020:50:540
19744993529,4cyclictest9-21ksoftirqd/020:19:290
19744993529,4cyclictest9-21ksoftirqd/019:17:390
19744993529,3cyclictest9-21ksoftirqd/021:30:160
19744993528,4cyclictest9-21ksoftirqd/021:41:000
138491350,0ptp4l401ktimersoftd/320:00:063
138491350,0ptp4l401ktimersoftd/319:21:563
19747993429,3cyclictest41-21ksoftirqd/322:19:593
19747993427,5cyclictest41-21ksoftirqd/321:10:393
1974599344,3cyclictest25-21ksoftirqd/100:35:181
19745993430,3cyclictest25-21ksoftirqd/122:30:251
19745993429,3cyclictest25-21ksoftirqd/123:30:181
19745993429,3cyclictest25-21ksoftirqd/123:05:271
19745993429,3cyclictest25-21ksoftirqd/121:25:241
19745993429,3cyclictest25-21ksoftirqd/120:45:011
19745993429,3cyclictest25-21ksoftirqd/100:20:121
19745993429,2cyclictest25-21ksoftirqd/100:10:221
19745993428,4cyclictest25-21ksoftirqd/120:28:161
19745993428,4cyclictest25-21ksoftirqd/120:02:131
1974599342,6cyclictest121rcu_preempt19:35:161
1974599342,3cyclictest25-21ksoftirqd/122:35:231
1974599342,3cyclictest121rcu_preempt22:50:201
1974599340,5cyclictest25-21ksoftirqd/123:20:121
19744993431,2cyclictest9-21ksoftirqd/021:50:000
19744993430,2cyclictest9-21ksoftirqd/023:25:000
19744993429,3cyclictest9-21ksoftirqd/023:05:090
19744993429,3cyclictest9-21ksoftirqd/020:55:090
19744993428,4cyclictest9-21ksoftirqd/023:19:370
19744993428,4cyclictest9-21ksoftirqd/022:06:550
19744993428,4cyclictest9-21ksoftirqd/000:11:560
1974499341,31cyclictest223-21systemd-journal22:27:170
138491340,0ptp4l401ktimersoftd/322:31:553
19747993328,3cyclictest41-21ksoftirqd/321:54:543
19747993328,3cyclictest41-21ksoftirqd/320:31:593
19747993328,3cyclictest41-21ksoftirqd/320:31:593
19747993327,4cyclictest41-21ksoftirqd/323:54:143
19747993327,4cyclictest41-21ksoftirqd/323:48:133
19747993327,4cyclictest41-21ksoftirqd/323:17:073
19747993327,4cyclictest41-21ksoftirqd/323:02:383
19747993327,4cyclictest41-21ksoftirqd/322:58:263
19747993327,4cyclictest41-21ksoftirqd/322:58:253
19747993327,4cyclictest41-21ksoftirqd/320:53:023
19747993327,4cyclictest41-21ksoftirqd/320:22:333
19747993327,4cyclictest41-21ksoftirqd/319:51:113
19747993327,4cyclictest41-21ksoftirqd/300:24:223
19745993329,3cyclictest25-21ksoftirqd/119:55:011
19745993328,3cyclictest25-21ksoftirqd/122:30:011
19745993328,3cyclictest25-21ksoftirqd/100:25:281
19745993328,3cyclictest25-21ksoftirqd/100:25:271
19745993327,4cyclictest25-21ksoftirqd/100:08:091
1974599332,3cyclictest25-21ksoftirqd/100:00:171
1974599331,3cyclictest25-21ksoftirqd/123:15:181
1974599330,3cyclictest121rcu_preempt20:50:141
19744993329,3cyclictest9-21ksoftirqd/000:25:210
19744993329,3cyclictest9-21ksoftirqd/000:25:210
19744993328,3cyclictest9-21ksoftirqd/022:01:060
19744993328,3cyclictest9-21ksoftirqd/019:10:330
19744993328,3cyclictest9-21ksoftirqd/000:20:180
19744993328,3cyclictest9-21ksoftirqd/000:19:140
19744993328,3cyclictest9-21ksoftirqd/000:05:200
1974499331,2cyclictest121rcu_preempt22:50:150
138591331,3phc2sys121rcu_preempt20:35:213
19747993226,4cyclictest41-21ksoftirqd/323:08:363
19747993226,4cyclictest41-21ksoftirqd/322:45:023
19747993226,4cyclictest41-21ksoftirqd/321:42:523
19747993226,4cyclictest41-21ksoftirqd/320:55:583
19745993229,2cyclictest25-21ksoftirqd/120:40:001
19745993228,2cyclictest25-21ksoftirqd/119:15:211
19745993227,3cyclictest25-21ksoftirqd/122:55:171
19745993227,3cyclictest25-21ksoftirqd/122:55:161
19745993227,3cyclictest25-21ksoftirqd/121:51:491
19745993227,3cyclictest25-21ksoftirqd/120:05:041
19745993227,3cyclictest25-21ksoftirqd/119:40:171
19745993226,4cyclictest25-21ksoftirqd/119:13:341
1974599321,5cyclictest25-21ksoftirqd/123:50:151
19744993228,2cyclictest9-21ksoftirqd/020:20:180
19744993227,3cyclictest9-21ksoftirqd/022:42:050
19744993227,3cyclictest9-21ksoftirqd/021:09:110
19744993227,3cyclictest9-21ksoftirqd/019:35:180
19744993226,4cyclictest9-21ksoftirqd/022:13:580
19744993226,4cyclictest9-21ksoftirqd/020:42:230
19744993226,4cyclictest9-21ksoftirqd/000:33:500
19747993125,4cyclictest41-21ksoftirqd/319:32:303
19747993124,4cyclictest3346-21irqrtprio20:45:183
19744993128,2cyclictest9-21ksoftirqd/020:25:180
19744993126,3cyclictest9-21ksoftirqd/023:28:120
19744993126,3cyclictest9-21ksoftirqd/021:53:520
19744993126,3cyclictest9-21ksoftirqd/019:45:120
19744993126,3cyclictest9-21ksoftirqd/019:25:000
19744993125,4cyclictest9-21ksoftirqd/021:56:010
138491310,0ptp4l401ktimersoftd/319:40:203
138491310,0ptp4l401ktimersoftd/300:00:503
19747993025,3cyclictest41-21ksoftirqd/300:15:213
19745993027,2cyclictest25-21ksoftirqd/121:42:071
19744993025,3cyclictest9-21ksoftirqd/023:30:180
19744993025,3cyclictest9-21ksoftirqd/020:45:180
19744993024,4cyclictest9-21ksoftirqd/023:37:590
19744993023,4cyclictest9-21ksoftirqd/000:04:590
138491300,0ptp4l401ktimersoftd/323:11:193
19747992923,4cyclictest41-21ksoftirqd/322:10:443
19744992925,3cyclictest9-21ksoftirqd/021:20:180
138491290,0ptp4l401ktimersoftd/322:39:323
138491290,0ptp4l401ktimersoftd/322:07:193
19747992823,3cyclictest41-21ksoftirqd/322:22:183
19747992823,3cyclictest41-21ksoftirqd/320:13:233
19747992822,4cyclictest41-21ksoftirqd/300:31:013
19747992722,3cyclictest41-21ksoftirqd/321:03:083
19744992622,2cyclictest9-21ksoftirqd/021:30:000
19744992520,3cyclictest9-21ksoftirqd/021:01:570
19744992520,3cyclictest9-21ksoftirqd/020:00:010
138491250,0ptp4l401ktimersoftd/320:15:183
138491240,0ptp4l401ktimersoftd/321:25:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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