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2025-11-20 - 11:24
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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 Thu Nov 20, 2025 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5902224197,18sleep20-21swapper/219:09:582
137191207173,22phc2sys0-21swapper/319:06:083
3462206173,22sleep00-21swapper/019:07:110
5592200170,19sleep10-21swapper/119:09:421
778821700,4sleep390699cyclictest22:10:103
136991630,1ptp4l401ktimersoftd/300:23:163
207312580,6sleep190499cyclictest20:20:241
136991530,1ptp4l391rcuc/323:53:183
132691510,1getstats0-21swapper/322:55:183
59298500,2rtkit-daemon591-21rtkit-daemon19:29:141
132691500,1getstats30835-21kworker/3:223:00:193
136991490,0ptp4l401ktimersoftd/322:35:313
903994741,3cyclictest13389-21wc23:30:000
903994741,3cyclictest13389-21wc23:30:000
132891470,6getstats90699cyclictest20:06:093
136991420,0ptp4l401ktimersoftd/321:55:483
136991410,0ptp4l401ktimersoftd/319:56:073
906994035,3cyclictest41-21ksoftirqd/300:20:013
90599402,35cyclictest10736-21cron21:10:002
90599401,37cyclictest33-21ksoftirqd/222:55:372
90599391,35cyclictest12120-21latency_hist20:05:002
906993731,4cyclictest41-21ksoftirqd/322:19:253
90599373,33cyclictest30051-21kworker/2:122:22:082
905993731,4cyclictest33-21ksoftirqd/219:57:362
90499374,3cyclictest25-21ksoftirqd/122:20:001
904993732,3cyclictest25-21ksoftirqd/120:35:001
904993731,3cyclictest25-21ksoftirqd/123:30:011
904993731,3cyclictest25-21ksoftirqd/123:30:011
90599365,30cyclictest30051-21kworker/2:123:55:432
90599365,19cyclictest30051-21kworker/2:122:39:312
905993631,3cyclictest33-21ksoftirqd/223:20:002
90599362,24cyclictest18906-21kworker/2:220:51:242
905993613,20cyclictest19877-21sed20:20:162
90599361,24cyclictest24772-21kworker/2:021:47:362
905993611,23cyclictest17235-21sed21:20:232
904993631,3cyclictest25-21ksoftirqd/123:10:131
904993631,3cyclictest25-21ksoftirqd/121:44:591
904993631,3cyclictest25-21ksoftirqd/121:00:001
904993631,3cyclictest25-21ksoftirqd/120:40:191
904993631,3cyclictest25-21ksoftirqd/119:40:011
904993631,3cyclictest25-21ksoftirqd/100:05:001
904993631,2cyclictest25-21ksoftirqd/100:25:011
904993630,4cyclictest25-21ksoftirqd/120:25:591
904993630,3cyclictest25-21ksoftirqd/122:50:001
904993630,3cyclictest25-21ksoftirqd/100:00:001
904993629,4cyclictest25-21ksoftirqd/122:20:121
904993629,4cyclictest25-21ksoftirqd/119:44:151
904993624,9cyclictest25-21ksoftirqd/123:00:131
59298360,9rtkit-daemon0-21swapper/023:37:060
280042360,2sleep0121rcu_preempt21:45:140
136991360,0ptp4l401ktimersoftd/320:39:073
906993530,3cyclictest41-21ksoftirqd/300:35:003
906993530,3cyclictest31102-21tune2fs00:05:173
906993530,3cyclictest31102-21tune2fs00:05:173
906993529,4cyclictest41-21ksoftirqd/323:56:413
906993529,4cyclictest41-21ksoftirqd/321:22:413
906993529,4cyclictest41-21ksoftirqd/319:39:443
906993529,4cyclictest41-21ksoftirqd/300:27:183
90599355,20cyclictest30051-21kworker/2:123:29:232
90599355,20cyclictest30051-21kworker/2:123:29:232
90599355,20cyclictest24772-21kworker/2:021:53:272
90599355,20cyclictest15726-21kworker/2:121:31:512
90599355,19cyclictest30051-21kworker/2:123:34:592
905993530,3cyclictest33-21ksoftirqd/219:39:182
905993529,4cyclictest33-21ksoftirqd/222:19:172
905993529,4cyclictest33-21ksoftirqd/220:32:212
905993529,4cyclictest33-21ksoftirqd/219:28:562
905993528,4cyclictest33-21ksoftirqd/219:31:432
90599351,23cyclictest18906-21kworker/2:220:47:522
905993510,22cyclictest29139-21tr20:40:152
90599350,5cyclictest27190-21grep22:50:162
90599350,24cyclictest30051-21kworker/2:122:11:392
90499353,3cyclictest121rcu_preempt23:22:541
904993530,4cyclictest25-21ksoftirqd/121:55:131
904993530,3cyclictest28727-21sshd22:54:201
904993530,3cyclictest25-21ksoftirqd/123:45:001
904993530,3cyclictest25-21ksoftirqd/121:20:111
904993530,3cyclictest25-21ksoftirqd/120:35:151
904993529,4cyclictest25-21ksoftirqd/100:39:241
90499352,6cyclictest25-21ksoftirqd/100:30:271
903993529,4cyclictest9-21ksoftirqd/019:47:310
906993429,3cyclictest41-21ksoftirqd/319:21:583
906993428,4cyclictest41-21ksoftirqd/323:45:033
906993428,4cyclictest41-21ksoftirqd/321:45:073
906993428,4cyclictest41-21ksoftirqd/321:35:013
906993428,4cyclictest41-21ksoftirqd/320:25:333
906993428,4cyclictest41-21ksoftirqd/319:53:153
906993428,4cyclictest41-21ksoftirqd/300:01:553
90599343,29cyclictest19253-21idleruntime-cro20:20:012
90599343,29cyclictest19253-21idleruntime-cro20:20:012
905993428,4cyclictest33-21ksoftirqd/222:32:562
905993428,4cyclictest33-21ksoftirqd/222:02:112
905993428,4cyclictest33-21ksoftirqd/221:10:372
905993428,4cyclictest33-21ksoftirqd/221:10:362
905993428,4cyclictest33-21ksoftirqd/219:54:312
905993428,4cyclictest33-21ksoftirqd/200:25:212
90599341,30cyclictest5364-21tr22:05:132
90599341,23cyclictest30051-21kworker/2:122:43:432
90599341,23cyclictest18906-21kworker/2:220:58:472
90599340,24cyclictest30051-21kworker/2:123:49:152
904993430,2cyclictest25-21ksoftirqd/119:19:591
904993429,3cyclictest25-21ksoftirqd/122:55:201
904993428,4cyclictest25-21ksoftirqd/123:50:061
904993428,4cyclictest25-21ksoftirqd/122:40:051
904993428,4cyclictest25-21ksoftirqd/121:49:141
904993428,4cyclictest25-21ksoftirqd/120:50:131
904993428,4cyclictest25-21ksoftirqd/119:12:461
904993427,4cyclictest25-21ksoftirqd/120:16:551
904993427,4cyclictest25-21ksoftirqd/120:16:551
903993428,4cyclictest9-21ksoftirqd/000:13:390
903993427,5cyclictest9-21ksoftirqd/019:51:480
136991340,0ptp4l401ktimersoftd/323:15:193
906993327,4cyclictest41-21ksoftirqd/322:40:583
906993327,4cyclictest41-21ksoftirqd/320:21:083
906993326,5cyclictest41-21ksoftirqd/322:47:573
906993326,4cyclictest41-21ksoftirqd/323:29:113
906993326,4cyclictest41-21ksoftirqd/323:29:113
90599333,29cyclictest30051-21kworker/2:123:38:272
905993328,3cyclictest33-21ksoftirqd/200:34:532
905993327,4cyclictest33-21ksoftirqd/221:27:412
905993327,4cyclictest33-21ksoftirqd/221:02:062
905993327,4cyclictest33-21ksoftirqd/220:27:112
905993327,4cyclictest33-21ksoftirqd/200:05:552
905993327,4cyclictest33-21ksoftirqd/200:05:552
90599331,3cyclictest223-21systemd-journal21:59:142
90599330,4cyclictest5076-21meminfo23:10:192
90599330,4cyclictest24081-21idleruntime23:50:192
90599330,3cyclictest23887-21meminfo21:35:192
90599330,3cyclictest0-21swapper/220:39:472
90599330,31cyclictest0-21swapper/219:50:002
90599330,23cyclictest30051-21kworker/2:122:25:072
904993328,3cyclictest25-21ksoftirqd/122:35:191
904993328,3cyclictest25-21ksoftirqd/121:05:201
904993327,4cyclictest25-21ksoftirqd/123:09:431
904993327,4cyclictest25-21ksoftirqd/121:51:511
904993327,4cyclictest25-21ksoftirqd/120:49:331
904993327,4cyclictest25-21ksoftirqd/119:57:501
904993327,4cyclictest25-21ksoftirqd/119:33:571
903993328,4cyclictest9-21ksoftirqd/022:36:200
903993328,3cyclictest9-21ksoftirqd/023:09:080
903993328,3cyclictest9-21ksoftirqd/022:45:000
903993328,3cyclictest12115-21cron20:04:590
903993327,4cyclictest9-21ksoftirqd/023:10:090
903993327,4cyclictest9-21ksoftirqd/020:31:270
136991330,0ptp4l401ktimersoftd/319:35:013
906993227,3cyclictest41-21ksoftirqd/321:10:303
906993227,3cyclictest41-21ksoftirqd/321:10:303
906993226,4cyclictest41-21ksoftirqd/323:33:563
906993226,4cyclictest41-21ksoftirqd/323:11:243
906993226,4cyclictest41-21ksoftirqd/323:06:073
906993226,4cyclictest41-21ksoftirqd/322:54:593
906993226,4cyclictest41-21ksoftirqd/322:23:383
906993226,4cyclictest41-21ksoftirqd/321:25:063
906993226,4cyclictest41-21ksoftirqd/321:09:343
906993226,4cyclictest41-21ksoftirqd/300:14:353
90599329,19cyclictest24292-21apt-get22:45:122
905993226,4cyclictest33-21ksoftirqd/221:43:592
905993226,4cyclictest33-21ksoftirqd/219:43:332
905993212,18cyclictest1144-21latency_hist23:05:002
90599321,18cyclictest30051-21kworker/2:123:24:232
905993211,19cyclictest18889-21hostname23:40:132
90599320,4cyclictest2491-21meminfo23:05:192
904993228,2cyclictest25-21ksoftirqd/122:10:291
904993227,3cyclictest25-21ksoftirqd/123:30:441
904993227,3cyclictest25-21ksoftirqd/122:10:001
904993227,3cyclictest25-21ksoftirqd/121:35:181
904993227,3cyclictest25-21ksoftirqd/121:20:001
904993226,4cyclictest25-21ksoftirqd/122:27:411
904993226,4cyclictest25-21ksoftirqd/122:00:381
904993226,4cyclictest25-21ksoftirqd/121:00:051
904993225,5cyclictest25-21ksoftirqd/121:26:081
903993227,3cyclictest9-21ksoftirqd/020:26:350
903993226,4cyclictest9-21ksoftirqd/022:34:380
903993226,4cyclictest9-21ksoftirqd/021:59:040
903993226,4cyclictest9-21ksoftirqd/020:52:140
906993126,3cyclictest41-21ksoftirqd/322:34:003
906993125,4cyclictest41-21ksoftirqd/323:37:093
906993125,4cyclictest41-21ksoftirqd/321:52:053
906993125,4cyclictest41-21ksoftirqd/320:40:083
906993125,4cyclictest41-21ksoftirqd/319:29:523
906993125,4cyclictest41-21ksoftirqd/300:38:423
905993126,3cyclictest33-21ksoftirqd/219:24:532
905993125,4cyclictest33-21ksoftirqd/220:10:522
905993125,4cyclictest33-21ksoftirqd/200:17:302
905993113,16cyclictest7858-21awk00:25:002
90599311,28cyclictest1904-21meminfo00:10:212
905993111,18cyclictest12583-21cstates20:05:132
90599310,4cyclictest28293-21/usr/sbin/munin00:00:162
904993127,3cyclictest25-21ksoftirqd/100:10:191
904993126,3cyclictest25-21ksoftirqd/123:35:141
904993126,3cyclictest25-21ksoftirqd/120:01:201
904993126,3cyclictest25-21ksoftirqd/119:52:371
904993126,3cyclictest25-21ksoftirqd/100:05:151
904993126,3cyclictest25-21ksoftirqd/100:05:151
904993125,4cyclictest25-21ksoftirqd/121:35:011
904993125,4cyclictest25-21ksoftirqd/121:12:321
904993125,4cyclictest25-21ksoftirqd/121:12:321
904993125,3cyclictest25-21ksoftirqd/120:05:161
904993125,3cyclictest25-21ksoftirqd/100:20:001
903993126,3cyclictest9-21ksoftirqd/023:33:280
903993126,3cyclictest9-21ksoftirqd/022:01:370
903993126,3cyclictest9-21ksoftirqd/020:16:130
903993126,3cyclictest9-21ksoftirqd/020:16:130
903993125,4cyclictest9-21ksoftirqd/023:22:400
903993125,4cyclictest9-21ksoftirqd/022:59:500
903993125,4cyclictest9-21ksoftirqd/020:40:340
903993125,4cyclictest9-21ksoftirqd/019:35:260
903993125,4cyclictest9-21ksoftirqd/019:12:280
903993125,4cyclictest9-21ksoftirqd/000:35:580
903993125,4cyclictest9-21ksoftirqd/000:33:210
903993125,4cyclictest9-21ksoftirqd/000:01:280
59298310,17rtkit-daemon0-21swapper/322:26:553
136991310,0ptp4l401ktimersoftd/323:44:073
906993025,3cyclictest41-21ksoftirqd/319:45:003
906993024,4cyclictest41-21ksoftirqd/323:21:323
904993026,2cyclictest25-21ksoftirqd/123:20:001
904993026,2cyclictest25-21ksoftirqd/122:30:211
904993025,3cyclictest25-21ksoftirqd/123:45:191
904993024,4cyclictest25-21ksoftirqd/120:15:011
904993024,4cyclictest25-21ksoftirqd/119:45:101
903993025,3cyclictest9-21ksoftirqd/023:01:420
903993025,3cyclictest9-21ksoftirqd/022:13:000
903993025,3cyclictest9-21ksoftirqd/019:28:290
903993024,4cyclictest9-21ksoftirqd/023:59:150
903993024,4cyclictest9-21ksoftirqd/022:20:430
903993024,4cyclictest9-21ksoftirqd/020:37:120
903993024,4cyclictest9-21ksoftirqd/019:16:380
136991300,0ptp4l401ktimersoftd/322:05:413
136991300,0ptp4l401ktimersoftd/320:02:083
136991300,0ptp4l401ktimersoftd/319:15:593
906992924,3cyclictest41-21ksoftirqd/320:54:593
906992924,3cyclictest41-21ksoftirqd/320:16:453
906992924,3cyclictest41-21ksoftirqd/320:16:453
906992923,4cyclictest41-21ksoftirqd/321:01:073
906992923,4cyclictest41-21ksoftirqd/319:41:163
90599296,3cyclictest1964-21sendmail19:20:002
905992924,3cyclictest33-21ksoftirqd/200:36:122
90599291,3cyclictest0-21swapper/221:15:122
904992923,4cyclictest25-21ksoftirqd/100:28:251
903992924,3cyclictest9-21ksoftirqd/023:18:340
903992924,3cyclictest9-21ksoftirqd/022:28:580
903992924,3cyclictest9-21ksoftirqd/022:17:190
903992924,3cyclictest9-21ksoftirqd/022:08:330
903992924,3cyclictest9-21ksoftirqd/020:10:110
903992923,4cyclictest9-21ksoftirqd/022:50:110
903992923,4cyclictest9-21ksoftirqd/021:40:350
903992923,4cyclictest9-21ksoftirqd/021:04:520
903992923,4cyclictest9-21ksoftirqd/020:21:290
903992923,4cyclictest9-21ksoftirqd/000:09:300
903992923,4cyclictest9-21ksoftirqd/000:09:300
136991290,0ptp4l401ktimersoftd/321:36:013
136991290,0ptp4l401ktimersoftd/320:45:253
136991290,0ptp4l401ktimersoftd/320:10:163
906992823,3cyclictest41-21ksoftirqd/319:11:573
90599284,4cyclictest223-21systemd-journal19:15:002
903992823,3cyclictest9-21ksoftirqd/021:51:310
903992823,3cyclictest9-21ksoftirqd/021:24:370
903992823,3cyclictest9-21ksoftirqd/021:07:590
903992822,4cyclictest9-21ksoftirqd/021:29:070
903992822,4cyclictest9-21ksoftirqd/020:55:300
903992822,4cyclictest9-21ksoftirqd/019:55:050
136991280,0ptp4l401ktimersoftd/320:58:413
906992721,4cyclictest41-21ksoftirqd/322:01:493
906992721,4cyclictest41-21ksoftirqd/320:30:063
903992722,3cyclictest9-21ksoftirqd/023:51:490
903992722,3cyclictest9-21ksoftirqd/019:33:590
903992722,3cyclictest9-21ksoftirqd/019:22:500
903992721,4cyclictest9-21ksoftirqd/023:46:270
903992721,4cyclictest9-21ksoftirqd/023:42:180
903992721,4cyclictest9-21ksoftirqd/000:15:320
906992519,4cyclictest41-21ksoftirqd/321:15:463
904992520,3cyclictest25-21ksoftirqd/119:20:461
903992520,3cyclictest9-21ksoftirqd/021:16:020
903992520,3cyclictest9-21ksoftirqd/021:13:400
903992520,3cyclictest9-21ksoftirqd/021:13:390
903992520,3cyclictest9-21ksoftirqd/019:40:280
903992519,4cyclictest9-21ksoftirqd/020:46:000
903992419,3cyclictest9-21ksoftirqd/020:07:170
903992419,3cyclictest9-21ksoftirqd/000:22:460
136991240,0ptp4l401ktimersoftd/321:40:243
903992217,3cyclictest9-21ksoftirqd/021:30:560
903992216,4cyclictest9-21ksoftirqd/000:28:480
903992116,3cyclictest9-21ksoftirqd/022:49:510
903992116,3cyclictest9-21ksoftirqd/021:38:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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