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2025-12-03 - 23:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackbslot6.osadl.org (updated Wed Dec 03, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249621530,4sleep284999cyclictest11:13:572
2742321350,5sleep083999cyclictest13:43:580
2742321350,5sleep083999cyclictest13:43:580
1773911050,4ptp4l401ktimersoftd/308:22:123
252322660,2sleep30-21swapper/311:42:373
843996554,5cyclictest25-21ksoftirqd/112:28:571
843996451,5cyclictest25-21ksoftirqd/109:18:501
185562620,2sleep10-21swapper/110:04:031
308852610,3sleep130881-21apt-config10:28:401
177391610,1ptp4l401ktimersoftd/310:48:543
843995847,5cyclictest25-21ksoftirqd/112:53:561
843995846,6cyclictest25-21ksoftirqd/108:23:491
843995846,6cyclictest25-21ksoftirqd/108:23:491
177391580,1ptp4l401ktimersoftd/313:29:243
177391570,1ptp4l401ktimersoftd/313:49:053
177391570,1ptp4l401ktimersoftd/312:02:203
177391570,1ptp4l401ktimersoftd/312:02:203
177391560,1ptp4l401ktimersoftd/312:13:413
843995543,5cyclictest25-21ksoftirqd/110:28:511
177391550,1ptp4l401ktimersoftd/313:06:073
177391550,1ptp4l401ktimersoftd/309:04:063
177391540,1ptp4l401ktimersoftd/311:49:373
843995240,5cyclictest25-21ksoftirqd/112:18:541
234052510,1sleep00-21swapper/012:18:590
843995039,5cyclictest25-21ksoftirqd/111:23:531
177391500,1ptp4l401ktimersoftd/310:41:453
843994836,5cyclictest25-21ksoftirqd/111:18:541
240962460,2sleep124093-21smartctl12:59:031
177391460,1ptp4l401ktimersoftd/311:56:013
177391460,1ptp4l401ktimersoftd/311:56:013
49024523,11sleep233-21ksoftirqd/208:20:462
177391450,2ptp4l19440-21kworker/3:010:33:363
177391450,1ptp4l401ktimersoftd/312:28:263
177391440,10ptp4l401ktimersoftd/310:37:413
839994120,3cyclictest9-21ksoftirqd/010:09:440
177391400,1ptp4l401ktimersoftd/313:27:093
177391390,1ptp4l401ktimersoftd/312:45:423
177391390,1ptp4l401ktimersoftd/312:14:513
177391390,1ptp4l401ktimersoftd/309:18:583
843993833,3cyclictest25-21ksoftirqd/111:58:411
843993833,3cyclictest25-21ksoftirqd/111:58:411
843993832,3cyclictest25-21ksoftirqd/110:53:401
843993828,5cyclictest25-21ksoftirqd/109:28:501
177391380,1ptp4l401ktimersoftd/313:00:453
177391380,1ptp4l401ktimersoftd/312:39:243
177391380,1ptp4l401ktimersoftd/311:47:253
177391380,1ptp4l401ktimersoftd/311:30:103
177391380,1ptp4l401ktimersoftd/310:27:273
856993720,8cyclictest41-21ksoftirqd/308:58:503
843993730,3cyclictest25-21ksoftirqd/109:43:421
319992373,20sleep032097-21/usr/sbin/munin08:18:580
177391370,1ptp4l401ktimersoftd/312:34:363
177391370,1ptp4l401ktimersoftd/310:04:183
177391370,0ptp4l401ktimersoftd/313:44:383
177391370,0ptp4l401ktimersoftd/313:44:383
177391370,0ptp4l401ktimersoftd/312:57:033
843993631,3cyclictest25-21ksoftirqd/112:08:461
843993630,3cyclictest25-21ksoftirqd/111:08:411
843993624,10cyclictest25-21ksoftirqd/108:53:491
177391360,1ptp4l401ktimersoftd/313:41:003
177391360,1ptp4l401ktimersoftd/312:52:523
177391360,1ptp4l401ktimersoftd/312:21:573
177391360,1ptp4l401ktimersoftd/312:05:573
177391360,1ptp4l401ktimersoftd/311:28:003
177391360,0ptp4l401ktimersoftd/313:36:223
849993522,10cyclictest33-21ksoftirqd/210:20:462
843993528,4cyclictest25-21ksoftirqd/113:19:041
843993525,5cyclictest25-21ksoftirqd/113:08:571
843993523,10cyclictest25-21ksoftirqd/108:29:121
177391350,0ptp4l401ktimersoftd/311:35:113
843993429,3cyclictest25-21ksoftirqd/109:43:381
843993428,3cyclictest25-21ksoftirqd/112:38:431
177391340,2ptp4l4054-21kworker/3:111:17:263
177391340,2ptp4l19440-21kworker/3:010:57:023
177391340,1ptp4l401ktimersoftd/310:46:553
177391340,1ptp4l401ktimersoftd/309:34:103
84399335,3cyclictest121rcu_preempt10:48:401
843993326,4cyclictest25-21ksoftirqd/111:39:131
177391330,2ptp4l19440-21kworker/3:011:11:383
177391330,1ptp4l23294-21kworker/3:208:23:443
177391330,1ptp4l23294-21kworker/3:208:23:443
84399327,4cyclictest25-21ksoftirqd/112:24:021
843993227,3cyclictest25-21ksoftirqd/112:48:431
843993227,3cyclictest25-21ksoftirqd/112:43:431
843993227,3cyclictest25-21ksoftirqd/112:08:421
843993227,3cyclictest25-21ksoftirqd/110:53:571
843993227,3cyclictest25-21ksoftirqd/110:13:391
843993226,4cyclictest25-21ksoftirqd/111:29:031
843993226,3cyclictest25-21ksoftirqd/113:43:441
843993226,3cyclictest25-21ksoftirqd/113:34:041
843993226,3cyclictest25-21ksoftirqd/111:44:011
843993226,3cyclictest25-21ksoftirqd/111:13:551
843993226,3cyclictest25-21ksoftirqd/110:43:401
843993226,3cyclictest25-21ksoftirqd/110:23:391
843993226,3cyclictest25-21ksoftirqd/109:08:381
843993225,4cyclictest25-21ksoftirqd/109:08:561
843993219,3cyclictest25-21ksoftirqd/113:04:021
177391320,1ptp4l401ktimersoftd/313:19:573
177391320,1ptp4l401ktimersoftd/313:09:453
177391320,1ptp4l401ktimersoftd/311:19:143
177391320,1ptp4l401ktimersoftd/311:00:133
849993124,4cyclictest33-21ksoftirqd/210:52:462
843993126,3cyclictest25-21ksoftirqd/110:03:391
843993126,3cyclictest25-21ksoftirqd/109:53:381
843993125,4cyclictest25-21ksoftirqd/113:29:011
84399311,3cyclictest25-21ksoftirqd/112:53:431
177391310,10ptp4l401ktimersoftd/311:04:213
177391310,0ptp4l401ktimersoftd/308:47:173
90552300,2sleep20-21swapper/213:20:282
849993016,11cyclictest33-21ksoftirqd/211:45:132
843993025,3cyclictest25-21ksoftirqd/112:14:011
843993025,3cyclictest25-21ksoftirqd/111:48:541
843993025,3cyclictest25-21ksoftirqd/110:18:401
843993025,3cyclictest25-21ksoftirqd/110:18:401
843993025,3cyclictest25-21ksoftirqd/109:58:391
843993025,3cyclictest25-21ksoftirqd/109:03:381
843993025,3cyclictest25-21ksoftirqd/108:23:371
843993024,4cyclictest46950irq/101-ens3-Tx13:24:091
177391300,8ptp4l401ktimersoftd/313:15:303
177391300,0ptp4l401ktimersoftd/310:02:473
177391300,0ptp4l401ktimersoftd/309:12:503
856992922,4cyclictest41-21ksoftirqd/308:58:383
849992924,3cyclictest33-21ksoftirqd/212:09:002
849992923,3cyclictest33-21ksoftirqd/211:28:272
849992922,4cyclictest33-21ksoftirqd/213:49:432
849992921,5cyclictest33-21ksoftirqd/210:07:252
843992925,3cyclictest25-21ksoftirqd/108:43:571
843992924,3cyclictest25-21ksoftirqd/113:45:151
843992924,3cyclictest25-21ksoftirqd/113:45:151
843992924,3cyclictest25-21ksoftirqd/113:13:541
843992924,3cyclictest25-21ksoftirqd/111:03:411
843992924,3cyclictest25-21ksoftirqd/109:33:561
843992924,3cyclictest25-21ksoftirqd/109:28:391
843992923,3cyclictest25-21ksoftirqd/108:53:381
843992922,4cyclictest25-21ksoftirqd/108:39:081
177391290,1ptp4l401ktimersoftd/308:34:513
177391290,10ptp4l401ktimersoftd/308:31:003
177391290,0ptp4l401ktimersoftd/309:49:293
849992822,3cyclictest33-21ksoftirqd/213:38:512
849992822,3cyclictest33-21ksoftirqd/210:33:392
849992822,3cyclictest33-21ksoftirqd/209:15:122
843992823,3cyclictest25-21ksoftirqd/111:09:001
843992823,3cyclictest25-21ksoftirqd/110:38:401
843992822,3cyclictest25-21ksoftirqd/113:53:441
843992822,3cyclictest25-21ksoftirqd/109:18:381
843992821,5cyclictest25-21ksoftirqd/112:00:501
843992821,5cyclictest25-21ksoftirqd/112:00:501
843992818,5cyclictest25-21ksoftirqd/111:33:531
839992823,3cyclictest9-21ksoftirqd/013:48:570
839992821,4cyclictest9-21ksoftirqd/009:38:160
839992821,4cyclictest9-21ksoftirqd/009:16:530
204932280,2sleep20-21swapper/209:03:382
177391280,1ptp4l401ktimersoftd/312:29:203
177391280,1ptp4l401ktimersoftd/310:22:003
177391280,1ptp4l401ktimersoftd/309:28:153
177391280,10ptp4l401ktimersoftd/310:10:393
856992721,3cyclictest41-21ksoftirqd/309:13:413
856992721,3cyclictest41-21ksoftirqd/308:51:443
84999272,3cyclictest121rcu_preempt10:34:002
849992721,4cyclictest33-21ksoftirqd/208:29:572
849992721,3cyclictest33-21ksoftirqd/212:29:122
849992721,3cyclictest33-21ksoftirqd/209:55:162
849992720,4cyclictest33-21ksoftirqd/211:04:502
849992720,4cyclictest33-21ksoftirqd/210:02:032
849992720,4cyclictest33-21ksoftirqd/208:50:412
84999270,3cyclictest121rcu_preempt12:14:372
839992721,3cyclictest9-21ksoftirqd/011:52:440
839992721,3cyclictest9-21ksoftirqd/010:06:500
839992721,3cyclictest9-21ksoftirqd/009:21:560
839992720,4cyclictest9-21ksoftirqd/011:46:030
856992620,4cyclictest41-21ksoftirqd/309:42:213
856992620,3cyclictest41-21ksoftirqd/309:28:573
856992619,4cyclictest41-21ksoftirqd/310:14:453
856992619,4cyclictest41-21ksoftirqd/310:14:453
84999263,5cyclictest1760-21runrttasks10:39:112
849992620,3cyclictest33-21ksoftirqd/210:48:242
849992620,3cyclictest33-21ksoftirqd/209:52:012
849992620,3cyclictest33-21ksoftirqd/209:39:592
849992620,3cyclictest33-21ksoftirqd/209:37:562
849992619,4cyclictest33-21ksoftirqd/212:28:172
849992619,4cyclictest33-21ksoftirqd/210:28:002
849992619,4cyclictest33-21ksoftirqd/210:16:322
849992619,4cyclictest33-21ksoftirqd/210:16:322
849992619,4cyclictest33-21ksoftirqd/209:45:092
849992619,4cyclictest33-21ksoftirqd/209:32:522
849992619,4cyclictest33-21ksoftirqd/209:10:082
843992622,3cyclictest25-21ksoftirqd/108:38:371
83999262,3cyclictest121rcu_preempt11:54:350
83999262,3cyclictest121rcu_preempt11:54:350
839992620,3cyclictest9-21ksoftirqd/011:15:240
177391260,1ptp4l401ktimersoftd/309:43:593
84999257,15cyclictest0-21swapper/209:08:382
849992519,3cyclictest33-21ksoftirqd/212:45:152
849992519,3cyclictest33-21ksoftirqd/211:58:042
849992519,3cyclictest33-21ksoftirqd/211:58:042
849992519,3cyclictest33-21ksoftirqd/209:20:472
849992518,4cyclictest33-21ksoftirqd/209:24:462
849992518,4cyclictest33-21ksoftirqd/208:41:262
839992520,3cyclictest9-21ksoftirqd/010:14:260
839992520,3cyclictest9-21ksoftirqd/010:14:260
839992519,3cyclictest9-21ksoftirqd/012:57:450
839992519,3cyclictest9-21ksoftirqd/009:49:120
839992518,4cyclictest9-21ksoftirqd/009:55:310
180622250,4sleep284999cyclictest12:51:412
177391250,1ptp4l401ktimersoftd/309:53:503
849992418,4cyclictest33-21ksoftirqd/212:04:122
849992418,3cyclictest33-21ksoftirqd/208:35:352
849992417,4cyclictest33-21ksoftirqd/211:32:522
839992418,3cyclictest9-21ksoftirqd/008:53:160
839992417,4cyclictest9-21ksoftirqd/012:46:570
839992417,4cyclictest9-21ksoftirqd/011:42:580
839992417,4cyclictest9-21ksoftirqd/009:31:260
849992316,4cyclictest33-21ksoftirqd/210:13:112
849992316,4cyclictest33-21ksoftirqd/208:56:272
839992318,3cyclictest9-21ksoftirqd/012:40:110
839992318,3cyclictest9-21ksoftirqd/011:28:310
839992318,3cyclictest9-21ksoftirqd/010:43:300
839992318,3cyclictest9-21ksoftirqd/008:57:100
839992317,4cyclictest9-21ksoftirqd/013:29:170
839992317,4cyclictest9-21ksoftirqd/012:08:520
839992317,4cyclictest9-21ksoftirqd/010:24:370
839992317,3cyclictest9-21ksoftirqd/012:30:540
839992317,3cyclictest9-21ksoftirqd/012:27:540
839992317,3cyclictest9-21ksoftirqd/011:32:180
839992317,3cyclictest9-21ksoftirqd/009:23:500
839992317,3cyclictest9-21ksoftirqd/009:00:550
839992317,3cyclictest9-21ksoftirqd/008:43:200
839992317,3cyclictest9-21ksoftirqd/008:36:500
839992316,4cyclictest9-21ksoftirqd/012:49:380
83999231,19cyclictest3282-21df10:33:540
83999230,20cyclictest18920-21cpuspeed_turbos10:53:540
177391230,1ptp4l401ktimersoftd/308:38:543
849992217,3cyclictest33-21ksoftirqd/212:20:462
849992216,3cyclictest33-21ksoftirqd/208:45:312
849992215,4cyclictest33-21ksoftirqd/213:18:072
849992215,4cyclictest33-21ksoftirqd/212:34:232
849992215,4cyclictest33-21ksoftirqd/211:12:292
84999221,3cyclictest7387-21ssh11:59:032
84999221,3cyclictest7387-21ssh11:59:032
83999228,11cyclictest6403-21cstates11:58:560
83999228,11cyclictest6403-21cstates11:58:560
83999227,12cyclictest26193-21/usr/sbin/munin11:03:580
839992216,4cyclictest9-21ksoftirqd/008:27:590
839992216,4cyclictest9-21ksoftirqd/008:27:590
839992216,3cyclictest9-21ksoftirqd/010:47:140
839992216,3cyclictest9-21ksoftirqd/009:12:420
839992216,3cyclictest9-21ksoftirqd/009:04:380
839992215,4cyclictest9-21ksoftirqd/011:35:470
849992117,3cyclictest33-21ksoftirqd/212:59:042
849992116,3cyclictest33-21ksoftirqd/211:50:152
849992116,3cyclictest33-21ksoftirqd/208:26:242
849992116,3cyclictest33-21ksoftirqd/208:26:242
849992114,4cyclictest9575-21latency_hist11:23:412
83999212,13cyclictest18972-21ssh13:33:560
839992116,3cyclictest9-21ksoftirqd/013:01:310
839992115,4cyclictest9-21ksoftirqd/010:01:130
839992114,4cyclictest9-21ksoftirqd/008:47:220
839992114,4cyclictest23048-21/usr/sbin/munin13:39:030
839992114,4cyclictest1787-21latency_hist11:13:410
839992114,4cyclictest15275-21df10:48:560
83999211,2cyclictest0-21swapper/010:31:180
83999211,18cyclictest0-21swapper/013:19:250
849992015,3cyclictest33-21ksoftirqd/212:57:432
84999201,4cyclictest24923-21ssh11:41:562
849992014,3cyclictest33-21ksoftirqd/211:00:142
849992014,3cyclictest18879-21sh13:33:532
849992013,4cyclictest8574-21sh12:39:182
849992013,4cyclictest33-21ksoftirqd/213:29:392
849992013,4cyclictest2123-21sh13:12:502
839992014,3cyclictest9-21ksoftirqd/013:27:180
839992014,3cyclictest9-21ksoftirqd/012:37:180
839992013,4cyclictest23424-21memory10:59:000
83999201,17cyclictest0-21swapper/012:04:040
849991913,4cyclictest28888-21sed13:44:172
849991913,4cyclictest28888-21sed13:44:172
849991913,3cyclictest33-21ksoftirqd/213:03:562
849991913,3cyclictest11338-21grep13:24:022
84999191,16cyclictest17791-21/usr/sbin/munin11:33:592
839991913,3cyclictest9-21ksoftirqd/010:23:250
839991913,3cyclictest9-21ksoftirqd/008:28:510
839991913,3cyclictest6510-21unixbench-2d09:39:070
839991913,3cyclictest6019-21/usr/sbin/munin11:18:570
839991913,3cyclictest32082-21if_err_ens313:09:020
839991912,4cyclictest8918-21switchtime09:44:060
839991912,4cyclictest26677-21diskmemload13:13:480
83999191,16cyclictest30072-21ssh13:06:130
83999191,16cyclictest0-21swapper/012:17:200
849991812,3cyclictest21216-21sh10:56:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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