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2026-01-10 - 16:30
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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 Jan 10, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207173,22phc2sys0-21swapper/307:08:513
233932203170,22sleep10-21swapper/107:05:511
236672202169,22sleep20-21swapper/207:09:252
235162201168,22sleep00-21swapper/007:07:260
1243021390,3sleep22401599cyclictest07:50:242
139391700,1ptp4l401ktimersoftd/309:10:193
139391640,1ptp4l401ktimersoftd/308:10:163
289362590,2sleep30-21swapper/307:20:003
139391580,1ptp4l401ktimersoftd/310:09:153
310622550,3sleep10-21swapper/111:50:241
134491550,2getstats0-21swapper/307:15:223
24015995320,5cyclictest33-21ksoftirqd/211:45:012
24015995218,6cyclictest33-21ksoftirqd/208:05:002
139391520,1ptp4l401ktimersoftd/309:24:433
24015995029,3cyclictest33-21ksoftirqd/208:25:132
24015995020,4cyclictest33-21ksoftirqd/212:15:162
24015995020,4cyclictest33-21ksoftirqd/212:15:162
24015995017,10cyclictest33-21ksoftirqd/209:40:172
24015995013,6cyclictest33-21ksoftirqd/210:25:122
118272500,2sleep30-21swapper/311:10:233
24015994926,3cyclictest33-21ksoftirqd/208:05:252
24015994919,4cyclictest33-21ksoftirqd/210:05:262
24015994914,6cyclictest33-21ksoftirqd/211:05:012
225262490,2sleep10-21swapper/110:25:201
24015994818,3cyclictest33-21ksoftirqd/208:35:152
24015994810,4cyclictest33-21ksoftirqd/207:25:232
24015994718,4cyclictest33-21ksoftirqd/209:20:162
24015994717,4cyclictest33-21ksoftirqd/207:15:152
24015994617,3cyclictest33-21ksoftirqd/209:55:122
24014994638,5cyclictest551-21rs:main1
24015994519,6cyclictest33-21ksoftirqd/211:10:142
24015994518,6cyclictest33-21ksoftirqd/209:50:262
24015994518,6cyclictest33-21ksoftirqd/208:35:002
24015994513,9cyclictest33-21ksoftirqd/212:00:002
24015994513,3cyclictest33-21ksoftirqd/207:45:232
24015994432,9cyclictest33-21ksoftirqd/211:50:012
24015994417,7cyclictest33-21ksoftirqd/212:15:002
57898430,10rtkit-daemon0-21swapper/107:37:211
2401599438,6cyclictest33-21ksoftirqd/211:25:162
24015994331,10cyclictest33-21ksoftirqd/207:20:132
24015994314,3cyclictest33-21ksoftirqd/211:50:192
24015994313,5cyclictest33-21ksoftirqd/210:45:132
24015994312,3cyclictest33-21ksoftirqd/211:05:132
24015994311,5cyclictest33-21ksoftirqd/208:55:172
139391430,0ptp4l401ktimersoftd/308:05:153
57898420,9rtkit-daemon0-21swapper/108:02:311
2401599427,6cyclictest33-21ksoftirqd/212:34:592
24015994216,6cyclictest33-21ksoftirqd/209:35:002
24015994215,6cyclictest33-21ksoftirqd/212:20:222
24015994213,7cyclictest33-21ksoftirqd/207:30:252
24015994212,6cyclictest33-21ksoftirqd/207:55:162
24015994210,10cyclictest33-21ksoftirqd/210:15:002
139391420,0ptp4l401ktimersoftd/311:27:003
2401599416,6cyclictest33-21ksoftirqd/212:05:002
2401599413,4cyclictest33-21ksoftirqd/210:20:272
24015994132,2cyclictest33-21ksoftirqd/211:20:002
24015994126,12cyclictest33-21ksoftirqd/209:10:012
24015994112,3cyclictest33-21ksoftirqd/211:31:592
24015994110,4cyclictest33-21ksoftirqd/207:10:122
139391410,0ptp4l401ktimersoftd/311:45:583
2401599409,3cyclictest33-21ksoftirqd/209:35:242
24015994033,4cyclictest33-21ksoftirqd/208:20:002
24015994011,8cyclictest33-21ksoftirqd/211:35:132
24015994011,3cyclictest33-21ksoftirqd/212:27:192
57898390,28rtkit-daemon25-21ksoftirqd/112:20:151
24016993933,4cyclictest6710-21dump-pmu-power12:10:003
2401599397,5cyclictest33-21ksoftirqd/209:00:262
2401599394,6cyclictest33-21ksoftirqd/208:50:012
2401599393,4cyclictest33-21ksoftirqd/210:15:162
24015993933,3cyclictest33-21ksoftirqd/209:20:002
24015993913,7cyclictest33-21ksoftirqd/209:25:242
2401599383,5cyclictest33-21ksoftirqd/210:40:242
24015993827,2cyclictest33-21ksoftirqd/210:50:262
2401599380,2cyclictest121rcu_preempt09:10:132
24014993831,4cyclictest25-21ksoftirqd/109:48:011
24014993829,3cyclictest25-21ksoftirqd/110:14:591
139391380,1ptp4l401ktimersoftd/309:00:453
2401599373,3cyclictest121rcu_preempt10:30:152
24015993732,3cyclictest33-21ksoftirqd/211:20:192
24015993732,2cyclictest33-21ksoftirqd/208:25:002
24015993732,2cyclictest33-21ksoftirqd/207:35:262
24015993731,3cyclictest33-21ksoftirqd/212:04:592
24015993710,3cyclictest33-21ksoftirqd/207:40:222
2401599370,3cyclictest121rcu_preempt08:45:242
2401599370,3cyclictest121rcu_preempt08:45:242
24014993730,4cyclictest25-21ksoftirqd/112:20:001
24014993730,4cyclictest25-21ksoftirqd/112:20:001
57898360,3rtkit-daemon32612-21hddtemp_smartct09:40:151
57898360,2rtkit-daemon0-21swapper/111:33:471
24016993630,4cyclictest41-21ksoftirqd/311:32:323
2401599365,3cyclictest33-21ksoftirqd/208:40:282
24015993632,2cyclictest22955-21sshd08:13:562
24015993631,3cyclictest33-21ksoftirqd/210:55:182
24015993627,3cyclictest33-21ksoftirqd/209:45:142
24014993631,3cyclictest25-21ksoftirqd/112:05:001
24014993630,4cyclictest25-21ksoftirqd/111:19:151
24013993630,4cyclictest9-21ksoftirqd/009:41:530
24013993630,3cyclictest3100-21cpu08:40:150
24016993530,3cyclictest41-21ksoftirqd/312:20:003
24016993530,3cyclictest41-21ksoftirqd/312:20:003
24016993530,3cyclictest41-21ksoftirqd/308:00:013
24016993529,4cyclictest41-21ksoftirqd/312:02:343
24016993529,4cyclictest41-21ksoftirqd/311:38:433
24016993529,4cyclictest41-21ksoftirqd/310:43:393
24015993530,3cyclictest33-21ksoftirqd/212:35:132
24014993529,4cyclictest25-21ksoftirqd/110:04:141
24014993529,4cyclictest25-21ksoftirqd/107:56:011
24014993529,4cyclictest25-21ksoftirqd/107:47:021
24014993529,4cyclictest25-21ksoftirqd/107:15:571
24013993529,4cyclictest9-21ksoftirqd/008:15:290
24013993529,4cyclictest9-21ksoftirqd/007:49:300
139391350,0ptp4l401ktimersoftd/310:32:473
139391350,0ptp4l401ktimersoftd/309:58:323
24016993429,3cyclictest41-21ksoftirqd/310:50:213
24016993429,3cyclictest41-21ksoftirqd/310:20:013
24016993429,3cyclictest41-21ksoftirqd/308:50:103
24016993429,3cyclictest41-21ksoftirqd/308:30:213
24016993428,4cyclictest41-21ksoftirqd/312:21:463
24016993428,4cyclictest41-21ksoftirqd/311:04:323
24016993428,4cyclictest41-21ksoftirqd/307:37:493
24015993430,3cyclictest33-21ksoftirqd/210:00:202
24015993423,4cyclictest33-21ksoftirqd/210:35:162
24014993429,3cyclictest25-21ksoftirqd/110:15:181
24014993429,3cyclictest25-21ksoftirqd/109:19:591
24014993428,4cyclictest25-21ksoftirqd/111:20:421
24014993428,4cyclictest25-21ksoftirqd/111:01:371
24014993428,4cyclictest25-21ksoftirqd/109:32:531
24014993428,4cyclictest25-21ksoftirqd/108:17:471
24014993428,4cyclictest25-21ksoftirqd/107:43:171
24014993428,4cyclictest25-21ksoftirqd/107:21:351
24014993427,4cyclictest25-21ksoftirqd/110:35:071
24014993426,5cyclictest25-21ksoftirqd/108:34:481
24013993429,3cyclictest9-21ksoftirqd/009:45:130
24013993428,4cyclictest9-21ksoftirqd/012:16:030
24013993428,4cyclictest9-21ksoftirqd/012:16:030
57898330,1rtkit-daemon0-21swapper/007:25:200
24016993328,3cyclictest41-21ksoftirqd/309:35:003
24016993328,3cyclictest41-21ksoftirqd/307:30:003
24016993327,4cyclictest41-21ksoftirqd/312:33:393
24016993327,4cyclictest41-21ksoftirqd/309:26:013
24014993329,2cyclictest25-21ksoftirqd/107:30:141
24014993328,3cyclictest25-21ksoftirqd/112:30:001
24014993327,4cyclictest25-21ksoftirqd/112:06:531
24014993327,4cyclictest25-21ksoftirqd/111:06:311
24014993327,3cyclictest551-21rs:main1
24014993326,4cyclictest25-21ksoftirqd/108:42:461
24014993326,4cyclictest25-21ksoftirqd/107:52:041
24013993328,3cyclictest9-21ksoftirqd/012:03:300
24013993328,3cyclictest9-21ksoftirqd/011:04:560
24013993327,4cyclictest9-21ksoftirqd/012:39:120
24013993327,4cyclictest9-21ksoftirqd/011:56:560
24013993327,4cyclictest9-21ksoftirqd/009:59:510
24013993327,4cyclictest9-21ksoftirqd/009:16:150
24013993327,4cyclictest9-21ksoftirqd/009:05:520
24013993327,4cyclictest9-21ksoftirqd/008:57:450
24013993327,4cyclictest9-21ksoftirqd/007:59:410
24013993327,4cyclictest9-21ksoftirqd/007:31:420
24013993327,4cyclictest9-21ksoftirqd/007:11:190
24016993227,3cyclictest41-21ksoftirqd/307:40:233
24016993226,4cyclictest549-21in:imuxsock08:35:553
24016993226,4cyclictest41-21ksoftirqd/311:44:003
24016993226,4cyclictest41-21ksoftirqd/311:07:493
24016993225,4cyclictest41-21ksoftirqd/312:39:283
24016993225,4cyclictest41-21ksoftirqd/310:38:053
24014993227,3cyclictest25-21ksoftirqd/112:10:051
24014993227,3cyclictest25-21ksoftirqd/111:37:471
24014993227,3cyclictest25-21ksoftirqd/109:15:011
24014993227,3cyclictest25-21ksoftirqd/108:20:181
24014993227,3cyclictest25-21ksoftirqd/108:09:111
24014993226,4cyclictest25-21ksoftirqd/109:55:071
24014993226,4cyclictest25-21ksoftirqd/109:20:371
24013993227,3cyclictest9-21ksoftirqd/010:18:210
24013993227,3cyclictest9-21ksoftirqd/010:11:590
24013993227,3cyclictest9-21ksoftirqd/008:10:090
24013993226,4cyclictest9-21ksoftirqd/011:46:260
24013993226,4cyclictest9-21ksoftirqd/011:41:090
24013993226,4cyclictest9-21ksoftirqd/010:08:140
24013993226,4cyclictest9-21ksoftirqd/009:02:270
24013993226,4cyclictest9-21ksoftirqd/007:35:100
139391320,0ptp4l401ktimersoftd/310:56:553
139391320,0ptp4l401ktimersoftd/308:23:423
24016993126,3cyclictest41-21ksoftirqd/312:15:003
24016993126,3cyclictest41-21ksoftirqd/310:50:003
24016993125,4cyclictest41-21ksoftirqd/311:23:053
24016993125,4cyclictest41-21ksoftirqd/310:28:153
24016993125,4cyclictest41-21ksoftirqd/307:53:423
24016993124,4cyclictest41-21ksoftirqd/308:42:523
24014993127,3cyclictest25-21ksoftirqd/112:00:011
24014993126,3cyclictest30687-21cron10:45:001
24014993125,4cyclictest25-21ksoftirqd/110:54:201
24014993125,4cyclictest25-21ksoftirqd/110:46:021
24014993125,4cyclictest25-21ksoftirqd/110:30:481
24014993125,4cyclictest25-21ksoftirqd/108:25:371
24013993125,4cyclictest9-21ksoftirqd/012:09:400
24013993125,4cyclictest9-21ksoftirqd/010:35:050
24013993125,4cyclictest9-21ksoftirqd/009:37:170
24013993125,4cyclictest9-21ksoftirqd/008:36:070
24013993125,4cyclictest9-21ksoftirqd/008:00:450
24013993125,4cyclictest9-21ksoftirqd/007:24:390
24013993125,3cyclictest9-21ksoftirqd/009:11:480
139391310,0ptp4l401ktimersoftd/311:50:123
24016993025,3cyclictest41-21ksoftirqd/312:27:123
24016993025,3cyclictest41-21ksoftirqd/311:55:183
24016993025,3cyclictest41-21ksoftirqd/309:52:523
24016993025,3cyclictest41-21ksoftirqd/309:38:563
24016993025,3cyclictest41-21ksoftirqd/307:30:203
24016993024,4cyclictest41-21ksoftirqd/309:16:293
24016993024,4cyclictest41-21ksoftirqd/309:07:433
24016993023,4cyclictest41-21ksoftirqd/308:01:133
24014993026,3cyclictest25-21ksoftirqd/108:55:001
24014993025,3cyclictest25-21ksoftirqd/111:50:011
24014993025,3cyclictest25-21ksoftirqd/110:55:111
24014993025,3cyclictest25-21ksoftirqd/109:40:001
24014993025,3cyclictest25-21ksoftirqd/107:12:181
24014993024,4cyclictest25-21ksoftirqd/109:27:111
24013993025,3cyclictest9-21ksoftirqd/012:13:250
24013993025,3cyclictest9-21ksoftirqd/010:31:070
24013993024,4cyclictest9-21ksoftirqd/012:23:290
24013993024,4cyclictest9-21ksoftirqd/011:08:030
24013993024,4cyclictest9-21ksoftirqd/010:55:310
24013993024,4cyclictest9-21ksoftirqd/008:53:000
24013993024,4cyclictest9-21ksoftirqd/008:34:310
24013993024,4cyclictest9-21ksoftirqd/007:19:050
24013993022,5cyclictest9-21ksoftirqd/010:25:110
139391300,0ptp4l401ktimersoftd/310:12:123
139391300,0ptp4l401ktimersoftd/310:02:043
139391300,0ptp4l401ktimersoftd/308:56:493
139391300,0ptp4l401ktimersoftd/308:48:213
139391300,0ptp4l401ktimersoftd/308:48:213
24016992924,3cyclictest41-21ksoftirqd/309:49:563
24016992923,4cyclictest41-21ksoftirqd/308:29:483
24016992923,4cyclictest41-21ksoftirqd/307:12:463
24014992924,3cyclictest25-21ksoftirqd/112:32:121
24014992924,3cyclictest25-21ksoftirqd/109:02:211
24014992924,3cyclictest25-21ksoftirqd/109:00:001
24014992924,3cyclictest25-21ksoftirqd/108:10:171
24014992923,4cyclictest25-21ksoftirqd/110:24:521
24013992924,3cyclictest9-21ksoftirqd/011:15:330
24013992924,3cyclictest9-21ksoftirqd/009:24:490
24013992924,3cyclictest9-21ksoftirqd/008:46:330
24013992924,3cyclictest9-21ksoftirqd/008:46:330
24013992924,3cyclictest9-21ksoftirqd/007:52:430
24013992923,4cyclictest9-21ksoftirqd/011:31:020
24013992923,4cyclictest9-21ksoftirqd/008:20:310
24016992823,3cyclictest41-21ksoftirqd/310:22:343
24014992823,3cyclictest25-21ksoftirqd/112:35:151
24014992823,3cyclictest25-21ksoftirqd/111:42:061
24014992823,3cyclictest25-21ksoftirqd/111:10:251
24014992823,3cyclictest25-21ksoftirqd/108:47:191
24014992823,3cyclictest25-21ksoftirqd/108:47:191
24013992823,3cyclictest9-21ksoftirqd/011:26:440
24013992823,3cyclictest9-21ksoftirqd/009:30:120
24013992822,4cyclictest9-21ksoftirqd/011:52:390
24013992822,4cyclictest9-21ksoftirqd/011:13:210
139391280,0ptp4l401ktimersoftd/309:41:433
57898270,2rtkit-daemon0-21swapper/010:46:460
24016992722,3cyclictest41-21ksoftirqd/308:18:573
24013992722,3cyclictest9-21ksoftirqd/010:00:140
24013992722,3cyclictest9-21ksoftirqd/008:09:360
24013992721,4cyclictest9-21ksoftirqd/011:36:230
24013992721,4cyclictest9-21ksoftirqd/011:22:310
24013992721,4cyclictest9-21ksoftirqd/010:21:020
24013992721,4cyclictest9-21ksoftirqd/009:50:070
24013992721,4cyclictest9-21ksoftirqd/008:29:210
24016992621,3cyclictest41-21ksoftirqd/311:20:003
24016992620,4cyclictest41-21ksoftirqd/307:47:323
24014992621,3cyclictest25-21ksoftirqd/110:05:171
24014992621,3cyclictest25-21ksoftirqd/109:50:191
24014992621,3cyclictest25-21ksoftirqd/108:36:451
24013992621,3cyclictest9-21ksoftirqd/012:33:500
24013992621,3cyclictest9-21ksoftirqd/009:28:570
24013992620,4cyclictest9-21ksoftirqd/010:51:220
24013992620,4cyclictest9-21ksoftirqd/010:44:110
24014992418,4cyclictest25-21ksoftirqd/109:09:221
24013992317,4cyclictest9-21ksoftirqd/007:41:070
24013992116,3cyclictest9-21ksoftirqd/012:26:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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