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2026-01-02 - 14:02
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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 792 highest latencies:
System rackdslot3.osadl.org (updated Fri Jan 02, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491231164,23phc2sys0-21swapper/319:07:143
68962202170,22sleep20-21swapper/219:09:152
68132202168,22sleep10-21swapper/119:08:081
67392197164,22sleep00-21swapper/019:07:120
210821390,7sleep0724999cyclictest22:20:130
1394918464,11phc2sys0-21swapper/319:10:013
7249996427,6cyclictest9-21ksoftirqd/019:35:160
7249996329,6cyclictest9-21ksoftirqd/019:55:280
139391630,1ptp4l401ktimersoftd/323:03:453
7249996231,7cyclictest9-21ksoftirqd/020:15:000
7249996230,4cyclictest9-21ksoftirqd/021:40:000
7249996226,6cyclictest9-21ksoftirqd/020:05:250
7249996226,6cyclictest9-21ksoftirqd/020:05:250
7249996126,6cyclictest9-21ksoftirqd/023:45:010
7249996126,5cyclictest9-21ksoftirqd/000:15:180
109902610,1sleep30-21swapper/319:15:243
7249996029,5cyclictest9-21ksoftirqd/023:25:230
7249996028,4cyclictest9-21ksoftirqd/000:30:260
7249996026,4cyclictest9-21ksoftirqd/000:35:160
7249996024,6cyclictest9-21ksoftirqd/022:10:130
7249996022,7cyclictest9-21ksoftirqd/019:15:250
113272600,1sleep10-21swapper/123:45:231
7251995925,25cyclictest33-21ksoftirqd/219:20:002
7249995927,5cyclictest9-21ksoftirqd/021:00:290
7249995926,6cyclictest9-21ksoftirqd/020:00:140
7249995926,5cyclictest9-21ksoftirqd/022:55:240
7249995925,4cyclictest9-21ksoftirqd/019:30:270
7249995924,7cyclictest9-21ksoftirqd/019:45:180
7249995923,7cyclictest9-21ksoftirqd/021:10:180
7249995923,4cyclictest9-21ksoftirqd/021:45:140
7249995829,4cyclictest9-21ksoftirqd/019:28:430
7249995827,4cyclictest9-21ksoftirqd/023:54:590
7249995826,6cyclictest9-21ksoftirqd/022:50:240
7249995826,4cyclictest9-21ksoftirqd/000:20:160
7249995823,6cyclictest9-21ksoftirqd/000:00:290
7249995823,4cyclictest9-21ksoftirqd/020:35:280
7249995822,6cyclictest9-21ksoftirqd/022:25:220
7249995728,7cyclictest9-21ksoftirqd/023:05:220
7249995728,7cyclictest9-21ksoftirqd/023:05:220
7249995726,3cyclictest9-21ksoftirqd/000:05:140
7249995726,3cyclictest9-21ksoftirqd/000:05:140
7249995725,6cyclictest9-21ksoftirqd/023:20:140
7249995725,4cyclictest9-21ksoftirqd/022:40:160
7249995724,6cyclictest9-21ksoftirqd/022:45:260
7249995724,4cyclictest9-21ksoftirqd/023:55:180
7249995724,4cyclictest9-21ksoftirqd/019:45:000
7249995720,7cyclictest9-21ksoftirqd/019:50:280
7249995627,4cyclictest9-21ksoftirqd/023:45:130
7249995627,3cyclictest9-21ksoftirqd/019:20:130
7249995626,8cyclictest9-21ksoftirqd/022:15:130
7249995625,8cyclictest9-21ksoftirqd/023:30:140
7249995625,4cyclictest9-21ksoftirqd/021:30:180
7249995625,4cyclictest9-21ksoftirqd/019:10:080
7249995622,7cyclictest9-21ksoftirqd/021:19:350
7249995620,6cyclictest9-21ksoftirqd/021:00:000
7249995525,9cyclictest9-21ksoftirqd/021:20:130
7249995525,7cyclictest9-21ksoftirqd/020:25:220
7249995525,4cyclictest9-21ksoftirqd/021:05:170
7249995525,4cyclictest9-21ksoftirqd/021:05:170
7249995524,7cyclictest9-21ksoftirqd/020:50:130
7249995523,8cyclictest9-21ksoftirqd/000:25:170
7249995518,3cyclictest9-21ksoftirqd/023:15:170
7251995416,10cyclictest33-21ksoftirqd/220:05:002
7249995423,4cyclictest9-21ksoftirqd/021:25:140
7249995418,4cyclictest9-21ksoftirqd/020:45:010
7249995414,4cyclictest9-21ksoftirqd/020:20:160
7249995319,4cyclictest9-21ksoftirqd/020:40:200
724999526,3cyclictest9-21ksoftirqd/020:30:280
139391520,1ptp4l401ktimersoftd/320:30:173
724999518,3cyclictest9-21ksoftirqd/022:05:320
724999518,3cyclictest9-21ksoftirqd/022:05:320
7249995124,7cyclictest9-21ksoftirqd/020:15:200
7249995119,3cyclictest9-21ksoftirqd/022:35:010
7249995115,7cyclictest9-21ksoftirqd/021:50:170
7249995112,10cyclictest9-21ksoftirqd/021:55:270
7251995023,8cyclictest33-21ksoftirqd/200:10:012
7251995023,8cyclictest33-21ksoftirqd/200:10:012
7249995023,7cyclictest9-21ksoftirqd/023:10:260
7249995013,5cyclictest9-21ksoftirqd/022:00:030
7251994921,4cyclictest33-21ksoftirqd/223:10:212
7251994916,7cyclictest33-21ksoftirqd/219:40:002
7251994916,4cyclictest33-21ksoftirqd/220:25:292
7251994910,9cyclictest33-21ksoftirqd/221:38:052
724999497,2cyclictest9-21ksoftirqd/022:30:200
139391490,0ptp4l401ktimersoftd/321:15:123
725199483,9cyclictest33-21ksoftirqd/222:25:202
7249994816,4cyclictest9-21ksoftirqd/021:40:140
724999471,2cyclictest121rcu_preempt23:00:270
134391470,1getstats0-21swapper/320:44:593
7251994616,6cyclictest33-21ksoftirqd/220:45:202
724999462,3cyclictest9-21ksoftirqd/023:35:210
724999462,3cyclictest9-21ksoftirqd/023:35:210
139391460,4ptp4l401ktimersoftd/321:24:543
725199451,6cyclictest33-21ksoftirqd/220:30:302
7251994513,4cyclictest33-21ksoftirqd/223:05:292
7251994513,4cyclictest33-21ksoftirqd/223:05:292
7251994513,4cyclictest33-21ksoftirqd/221:25:002
7250994541,2cyclictest207-21systemd-journal23:34:591
7249994526,11cyclictest9-21ksoftirqd/000:12:380
725199444,6cyclictest33-21ksoftirqd/223:00:132
725199442,3cyclictest121rcu_preempt21:05:292
725199442,3cyclictest121rcu_preempt21:05:292
7251994415,4cyclictest33-21ksoftirqd/221:55:292
139391440,0ptp4l401ktimersoftd/319:40:203
725199435,7cyclictest33-21ksoftirqd/219:10:182
7251994331,3cyclictest121rcu_preempt19:20:122
7251994331,11cyclictest33-21ksoftirqd/222:35:002
7251994322,3cyclictest33-21ksoftirqd/219:25:272
7251994313,3cyclictest33-21ksoftirqd/200:10:262
725199428,4cyclictest33-21ksoftirqd/222:10:272
725199425,6cyclictest33-21ksoftirqd/221:50:142
725199423,3cyclictest33-21ksoftirqd/222:55:302
7251994230,3cyclictest33-21ksoftirqd/200:20:282
7251994226,4cyclictest33-21ksoftirqd/222:50:012
7251994213,7cyclictest33-21ksoftirqd/222:00:272
7251994210,5cyclictest33-21ksoftirqd/222:05:172
7251994210,5cyclictest33-21ksoftirqd/222:05:172
139391420,0ptp4l401ktimersoftd/322:10:263
7251994126,5cyclictest33-21ksoftirqd/220:55:002
7251994113,4cyclictest33-21ksoftirqd/222:35:162
7251994112,4cyclictest33-21ksoftirqd/200:00:132
139391410,0ptp4l401ktimersoftd/319:45:423
725199408,4cyclictest33-21ksoftirqd/221:30:262
725199405,6cyclictest33-21ksoftirqd/223:15:212
7251994034,3cyclictest33-21ksoftirqd/220:20:132
7251994027,3cyclictest33-21ksoftirqd/220:15:172
725199402,5cyclictest33-21ksoftirqd/222:40:172
725199401,8cyclictest33-21ksoftirqd/219:30:192
7251994013,6cyclictest33-21ksoftirqd/221:00:202
7251994013,3cyclictest33-21ksoftirqd/221:50:012
7251994010,6cyclictest33-21ksoftirqd/219:50:202
725199399,4cyclictest33-21ksoftirqd/219:40:132
725199397,9cyclictest33-21ksoftirqd/223:50:272
725199395,9cyclictest33-21ksoftirqd/219:55:162
725199393,5cyclictest33-21ksoftirqd/222:15:262
7251993934,3cyclictest33-21ksoftirqd/200:35:002
7251993925,5cyclictest33-21ksoftirqd/220:45:012
7251993913,7cyclictest33-21ksoftirqd/221:40:232
7251993912,4cyclictest33-21ksoftirqd/221:13:502
139391390,1ptp4l401ktimersoftd/321:07:493
139391390,1ptp4l401ktimersoftd/321:07:493
139391390,1ptp4l401ktimersoftd/300:28:213
139391390,0ptp4l401ktimersoftd/323:23:473
134391390,1getstats0-21swapper/322:20:013
725199388,6cyclictest33-21ksoftirqd/223:40:132
7251993832,3cyclictest33-21ksoftirqd/223:50:002
7251993825,11cyclictest33-21ksoftirqd/223:55:212
725199381,3cyclictest121rcu_preempt23:20:382
725099381,34cyclictest13187-21irqrtprio21:35:211
134391380,1getstats0-21swapper/321:50:013
725199378,6cyclictest33-21ksoftirqd/200:15:132
725199374,6cyclictest33-21ksoftirqd/221:25:142
7251993730,4cyclictest33-21ksoftirqd/223:37:342
7251993730,4cyclictest33-21ksoftirqd/223:37:342
7251993727,2cyclictest33-21ksoftirqd/220:10:272
725199372,6cyclictest33-21ksoftirqd/223:35:012
7250993733,2cyclictest25-21ksoftirqd/122:05:001
7250993732,3cyclictest25-21ksoftirqd/120:50:011
7250993731,4cyclictest25-21ksoftirqd/120:19:281
139391370,1ptp4l0-21swapper/322:02:363
7252993630,4cyclictest41-21ksoftirqd/320:09:553
7252993630,4cyclictest41-21ksoftirqd/320:09:553
725199368,7cyclictest33-21ksoftirqd/221:15:132
7251993631,3cyclictest33-21ksoftirqd/223:25:182
725199361,4cyclictest33-21ksoftirqd/200:35:222
7250993630,4cyclictest25-21ksoftirqd/119:44:551
7250993630,4cyclictest25-21ksoftirqd/119:19:551
7252993530,3cyclictest41-21ksoftirqd/322:35:553
7252993529,4cyclictest41-21ksoftirqd/323:49:433
7252993529,4cyclictest41-21ksoftirqd/320:21:153
7252993529,4cyclictest41-21ksoftirqd/319:20:103
725199355,9cyclictest33-21ksoftirqd/220:55:182
725199354,4cyclictest33-21ksoftirqd/222:20:132
7251993531,2cyclictest33-21ksoftirqd/200:25:152
7251993530,2cyclictest33-21ksoftirqd/219:45:202
725199351,6cyclictest33-21ksoftirqd/222:50:162
7250993530,3cyclictest25-21ksoftirqd/122:25:431
7250993530,3cyclictest25-21ksoftirqd/121:00:001
7250993530,3cyclictest25-21ksoftirqd/119:25:001
7250993529,4cyclictest25-21ksoftirqd/120:27:221
7250993529,4cyclictest25-21ksoftirqd/100:26:461
7250993529,4cyclictest25-21ksoftirqd/100:12:421
7250993529,3cyclictest25-21ksoftirqd/123:40:011
7250993529,3cyclictest25-21ksoftirqd/123:40:001
139391350,1ptp4l391rcuc/322:25:273
7252993429,3cyclictest41-21ksoftirqd/321:00:003
7252993428,4cyclictest41-21ksoftirqd/323:36:193
7252993428,4cyclictest41-21ksoftirqd/323:36:193
7252993428,4cyclictest41-21ksoftirqd/319:36:383
7252993428,4cyclictest41-21ksoftirqd/300:34:433
7252993428,4cyclictest41-21ksoftirqd/300:04:353
7251993428,3cyclictest33-21ksoftirqd/220:05:282
7251993428,3cyclictest33-21ksoftirqd/220:05:282
7250993429,3cyclictest25-21ksoftirqd/119:50:121
7250993428,4cyclictest25-21ksoftirqd/121:48:301
7250993428,4cyclictest25-21ksoftirqd/121:12:471
7250993428,4cyclictest25-21ksoftirqd/120:33:081
57898340,2rtkit-daemon7248-21cyclictest21:01:051
7252993328,3cyclictest41-21ksoftirqd/322:40:183
7252993328,3cyclictest41-21ksoftirqd/321:59:433
7252993328,3cyclictest41-21ksoftirqd/320:10:123
7252993327,4cyclictest41-21ksoftirqd/323:33:173
7252993327,4cyclictest41-21ksoftirqd/323:29:483
7252993327,4cyclictest41-21ksoftirqd/323:14:043
7252993327,4cyclictest41-21ksoftirqd/322:49:523
7252993327,4cyclictest41-21ksoftirqd/321:31:593
7252993327,4cyclictest41-21ksoftirqd/320:01:373
7252993327,4cyclictest41-21ksoftirqd/300:38:333
7251993329,2cyclictest33-21ksoftirqd/220:35:002
7250993329,3cyclictest25-21ksoftirqd/122:40:121
7250993328,3cyclictest25-21ksoftirqd/122:45:121
7250993328,3cyclictest25-21ksoftirqd/120:05:431
7250993328,3cyclictest25-21ksoftirqd/120:05:431
7250993328,3cyclictest25-21ksoftirqd/119:30:001
7250993327,4cyclictest25-21ksoftirqd/122:50:071
7250993327,4cyclictest25-21ksoftirqd/122:11:281
7250993327,4cyclictest25-21ksoftirqd/122:09:241
7250993327,4cyclictest25-21ksoftirqd/122:09:241
7250993327,4cyclictest25-21ksoftirqd/100:05:201
7250993327,4cyclictest25-21ksoftirqd/100:05:201
7250993327,3cyclictest25-21ksoftirqd/121:20:301
139391330,10ptp4l401ktimersoftd/319:30:153
7252993227,3cyclictest41-21ksoftirqd/320:54:493
7252993227,3cyclictest41-21ksoftirqd/300:22:543
7252993227,3cyclictest41-21ksoftirqd/300:18:383
7252993226,4cyclictest41-21ksoftirqd/320:47:343
7250993227,3cyclictest25-21ksoftirqd/122:30:211
7250993227,3cyclictest25-21ksoftirqd/121:05:201
7250993227,3cyclictest25-21ksoftirqd/121:05:201
7250993227,3cyclictest25-21ksoftirqd/100:15:101
7250993226,4cyclictest25-21ksoftirqd/123:56:391
7250993226,4cyclictest25-21ksoftirqd/123:18:361
7250993226,4cyclictest25-21ksoftirqd/122:59:021
7250993226,4cyclictest25-21ksoftirqd/120:36:371
139391320,0ptp4l401ktimersoftd/323:58:263
7252993126,3cyclictest41-21ksoftirqd/322:07:013
7252993126,3cyclictest41-21ksoftirqd/322:07:013
7252993126,3cyclictest41-21ksoftirqd/300:10:113
7252993125,4cyclictest41-21ksoftirqd/323:07:353
7252993125,4cyclictest41-21ksoftirqd/323:07:353
725299310,2cyclictest139391ptp4l23:51:333
7250993127,2cyclictest25-21ksoftirqd/120:20:261
7250993126,3cyclictest25-21ksoftirqd/121:35:001
7250993126,3cyclictest25-21ksoftirqd/119:45:211
7250993126,3cyclictest25-21ksoftirqd/100:37:461
7250993126,3cyclictest25-21ksoftirqd/100:02:431
7252993026,3cyclictest41-21ksoftirqd/323:00:003
7252993025,3cyclictest41-21ksoftirqd/321:38:213
7252993025,3cyclictest41-21ksoftirqd/321:11:583
7252993025,3cyclictest41-21ksoftirqd/319:55:083
7252993024,4cyclictest41-21ksoftirqd/321:42:173
7252993024,4cyclictest41-21ksoftirqd/320:37:393
7252993024,4cyclictest41-21ksoftirqd/320:28:093
7250993025,3cyclictest25524-21cron20:55:001
7250993025,3cyclictest25-21ksoftirqd/123:41:181
7250993025,3cyclictest25-21ksoftirqd/123:00:191
7250993025,3cyclictest25-21ksoftirqd/121:19:521
7250993025,3cyclictest25-21ksoftirqd/120:13:201
7250993025,3cyclictest25-21ksoftirqd/119:30:101
7250993025,3cyclictest25-21ksoftirqd/100:31:521
7250993025,3cyclictest25-21ksoftirqd/100:20:191
7250993024,4cyclictest25-21ksoftirqd/123:26:091
7250993024,4cyclictest25-21ksoftirqd/123:08:121
7250993024,4cyclictest25-21ksoftirqd/123:08:121
139391300,0ptp4l401ktimersoftd/321:01:183
139391300,0ptp4l401ktimersoftd/319:51:463
7250992925,3cyclictest25-21ksoftirqd/121:50:131
7250992924,3cyclictest25-21ksoftirqd/122:00:001
7250992923,4cyclictest25-21ksoftirqd/122:35:511
7250992923,4cyclictest25-21ksoftirqd/120:43:271
139391290,0ptp4l401ktimersoftd/322:21:123
139391290,0ptp4l401ktimersoftd/321:50:563
139391290,0ptp4l401ktimersoftd/320:17:183
7250992823,3cyclictest25-21ksoftirqd/123:52:251
7250992823,3cyclictest25-21ksoftirqd/122:21:471
7250992823,3cyclictest25-21ksoftirqd/121:43:071
7250992823,3cyclictest25-21ksoftirqd/121:26:351
7250992823,3cyclictest25-21ksoftirqd/119:35:031
7250992823,3cyclictest25-21ksoftirqd/119:10:031
7250992822,4cyclictest25-21ksoftirqd/120:01:151
7250992822,3cyclictest25-21ksoftirqd/123:10:201
7250992821,5cyclictest25-21ksoftirqd/122:15:271
139391280,0ptp4l401ktimersoftd/323:40:143
139391280,0ptp4l401ktimersoftd/322:52:253
7252992722,3cyclictest41-21ksoftirqd/321:29:073
7252992722,3cyclictest41-21ksoftirqd/319:26:193
7250992723,2cyclictest25-21ksoftirqd/123:25:001
7252992620,4cyclictest41-21ksoftirqd/300:06:143
7252992620,4cyclictest41-21ksoftirqd/300:06:143
7252992520,3cyclictest41-21ksoftirqd/322:30:483
139391250,0ptp4l401ktimersoftd/323:16:483
7250992420,2cyclictest25-21ksoftirqd/120:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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