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2025-11-25 - 16:37
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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 Tue Nov 25, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1962021600,3sleep1922199cyclictest10:39:321
1773911110,4ptp4l401ktimersoftd/308:14:273
16232850,2sleep10-21swapper/109:09:121
299412730,3sleep20-21swapper/211:31:202
177391670,1ptp4l401ktimersoftd/311:00:373
177391660,1ptp4l401ktimersoftd/312:09:403
177391660,1ptp4l401ktimersoftd/311:10:223
148212660,5sleep2922699cyclictest09:34:342
90762654,10sleep20-21swapper/208:18:392
70132650,4sleep2922699cyclictest09:19:282
176462610,2sleep30-21swapper/309:39:453
262532600,2sleep10-21swapper/112:44:461
236862600,2sleep30-21swapper/312:43:043
177391600,1ptp4l401ktimersoftd/310:52:153
122632600,2sleep30-21swapper/313:08:213
236502590,3sleep10-21swapper/111:24:331
177391590,1ptp4l401ktimersoftd/313:09:453
136182560,4sleep233-21ksoftirqd/211:49:552
922199555,3cyclictest121rcu_preempt11:49:161
9221995526,4cyclictest25-21ksoftirqd/110:19:141
89752554,40sleep10-21swapper/108:17:211
100342550,2sleep20-21swapper/212:25:122
9221995424,4cyclictest25-21ksoftirqd/112:09:381
74562540,2sleep20-21swapper/213:01:582
233162540,5sleep223319-21cpuspeed_turbos11:24:302
9221995328,4cyclictest25-21ksoftirqd/113:19:341
9221995324,4cyclictest25-21ksoftirqd/108:24:111
211942530,2sleep00-21swapper/011:20:420
9221995239,3cyclictest25-21ksoftirqd/113:04:171
9221995227,3cyclictest25-21ksoftirqd/112:24:391
9221995226,4cyclictest25-21ksoftirqd/112:39:331
9221995224,9cyclictest25-21ksoftirqd/112:54:361
9221995224,9cyclictest25-21ksoftirqd/112:54:361
9221995224,4cyclictest25-21ksoftirqd/113:34:181
9221995224,4cyclictest25-21ksoftirqd/108:54:381
9221995124,4cyclictest25-21ksoftirqd/110:34:381
9221995122,11cyclictest25-21ksoftirqd/113:09:361
9221995120,5cyclictest25-21ksoftirqd/111:04:361
9221995118,7cyclictest25-21ksoftirqd/109:19:121
249672510,2sleep00-21swapper/011:24:480
161692510,3sleep30-21swapper/312:34:293
9221995025,3cyclictest25-21ksoftirqd/110:09:141
9221995024,4cyclictest25-21ksoftirqd/112:29:411
9221995022,9cyclictest25-21ksoftirqd/111:44:161
9221995021,5cyclictest25-21ksoftirqd/109:49:331
9221995021,4cyclictest25-21ksoftirqd/112:54:171
9221995020,8cyclictest25-21ksoftirqd/108:59:321
115692500,1sleep00-21swapper/011:09:340
922199495,8cyclictest25-21ksoftirqd/109:29:441
922199495,8cyclictest25-21ksoftirqd/109:29:441
9221994936,3cyclictest25-21ksoftirqd/112:14:401
9221994936,3cyclictest25-21ksoftirqd/111:14:141
9221994925,4cyclictest25-21ksoftirqd/109:54:411
9221994924,4cyclictest25-21ksoftirqd/112:19:361
9221994924,4cyclictest25-21ksoftirqd/111:49:321
9221994923,4cyclictest25-21ksoftirqd/113:14:301
9221994923,4cyclictest25-21ksoftirqd/110:54:381
9221994921,9cyclictest25-21ksoftirqd/113:34:421
9221994921,4cyclictest25-21ksoftirqd/109:39:131
9221994920,5cyclictest25-21ksoftirqd/111:19:361
9221994824,4cyclictest25-21ksoftirqd/109:39:281
9221994824,3cyclictest25-21ksoftirqd/112:39:161
9221994822,4cyclictest25-21ksoftirqd/110:49:331
9221994819,5cyclictest25-21ksoftirqd/110:19:431
9221994819,5cyclictest25-21ksoftirqd/109:09:441
9221994819,5cyclictest25-21ksoftirqd/108:29:121
9221994723,4cyclictest25-21ksoftirqd/108:34:321
9221994722,4cyclictest25-21ksoftirqd/111:54:451
9221994722,4cyclictest25-21ksoftirqd/110:44:441
9221994722,4cyclictest25-21ksoftirqd/108:44:411
9221994721,9cyclictest25-21ksoftirqd/110:34:141
9221994721,9cyclictest25-21ksoftirqd/109:59:291
9221994721,8cyclictest25-21ksoftirqd/111:34:161
9221994719,9cyclictest25-21ksoftirqd/113:39:191
9221994718,11cyclictest25-21ksoftirqd/111:14:361
9221994718,11cyclictest25-21ksoftirqd/111:14:361
922199466,8cyclictest25-21ksoftirqd/110:24:441
9221994622,4cyclictest25-21ksoftirqd/108:39:411
9221994621,4cyclictest25-21ksoftirqd/112:08:261
9221994620,10cyclictest25-21ksoftirqd/109:44:301
9221994619,5cyclictest25-21ksoftirqd/111:34:361
9221994619,10cyclictest25-21ksoftirqd/113:04:491
9221994520,10cyclictest25-21ksoftirqd/108:24:121
9221994519,8cyclictest25-21ksoftirqd/109:29:121
9221994519,8cyclictest25-21ksoftirqd/109:29:121
9221994518,4cyclictest25-21ksoftirqd/110:09:331
9221994517,3cyclictest121rcu_preempt13:45:331
9221994422,11cyclictest25-21ksoftirqd/111:59:341
9221994419,10cyclictest25-21ksoftirqd/108:49:351
9221994316,4cyclictest25-21ksoftirqd/110:59:321
177391430,1ptp4l401ktimersoftd/311:32:023
9221994216,4cyclictest25-21ksoftirqd/109:19:281
177391420,11ptp4l401ktimersoftd/313:01:593
922199413,8cyclictest25-21ksoftirqd/113:24:371
177391410,1ptp4l401ktimersoftd/310:34:293
9232994026,7cyclictest41-21ksoftirqd/311:54:283
177391400,1ptp4l401ktimersoftd/312:04:133
177391390,1ptp4l401ktimersoftd/313:20:283
177391390,1ptp4l401ktimersoftd/311:28:293
177391380,1ptp4l401ktimersoftd/313:46:333
177391380,1ptp4l401ktimersoftd/313:40:013
177391380,1ptp4l401ktimersoftd/312:46:003
177391380,1ptp4l401ktimersoftd/312:18:293
177391380,1ptp4l401ktimersoftd/311:51:523
177391380,1ptp4l401ktimersoftd/310:49:033
9232993726,7cyclictest41-21ksoftirqd/311:44:283
9215993732,3cyclictest9-21ksoftirqd/013:04:300
177391370,1ptp4l401ktimersoftd/313:29:563
177391370,1ptp4l401ktimersoftd/313:15:043
177391370,1ptp4l401ktimersoftd/312:32:283
177391370,1ptp4l401ktimersoftd/311:39:283
177391370,0ptp4l401ktimersoftd/311:23:273
177391370,0ptp4l401ktimersoftd/310:25:573
177391360,1ptp4l401ktimersoftd/312:53:103
177391360,1ptp4l401ktimersoftd/310:57:393
177391360,0ptp4l401ktimersoftd/310:20:063
177391350,2ptp4l25421-21kworker/3:009:51:073
9232993422,9cyclictest41-21ksoftirqd/311:04:443
177391340,2ptp4l25421-21kworker/3:009:17:293
177391340,2ptp4l25421-21kworker/3:008:39:393
177391340,1ptp4l401ktimersoftd/312:54:363
177391340,1ptp4l401ktimersoftd/312:54:363
9232993327,3cyclictest41-21ksoftirqd/308:34:163
9232993322,5cyclictest41-21ksoftirqd/310:09:273
177391330,2ptp4l25421-21kworker/3:009:33:093
177391330,2ptp4l25421-21kworker/3:009:33:093
177391330,1ptp4l401ktimersoftd/311:16:183
177391330,1ptp4l401ktimersoftd/311:16:183
9232993226,3cyclictest41-21ksoftirqd/313:29:183
9215993227,3cyclictest9-21ksoftirqd/008:34:110
921599321,5cyclictest2840-21diskmemload12:24:170
177391320,2ptp4l24077-21kworker/3:212:19:483
177391320,1ptp4l401ktimersoftd/310:33:223
177391320,0ptp4l401ktimersoftd/308:20:143
9232993126,3cyclictest41-21ksoftirqd/313:39:183
9232993126,3cyclictest41-21ksoftirqd/312:04:363
9232993125,3cyclictest41-21ksoftirqd/312:29:163
9215993126,3cyclictest9-21ksoftirqd/011:39:330
9215993125,3cyclictest9-21ksoftirqd/010:54:340
9215993125,3cyclictest9-21ksoftirqd/010:19:280
9215993124,4cyclictest9-21ksoftirqd/010:44:330
177391310,1ptp4l401ktimersoftd/309:04:363
177391310,1ptp4l401ktimersoftd/308:34:093
9232993025,3cyclictest41-21ksoftirqd/310:44:143
9232993024,3cyclictest41-21ksoftirqd/308:29:113
9232993022,5cyclictest30487-21cron10:09:133
9232993018,6cyclictest41-21ksoftirqd/308:49:253
9232993017,7cyclictest41-21ksoftirqd/308:54:223
9215993024,3cyclictest9-21ksoftirqd/013:19:320
9215993024,3cyclictest9-21ksoftirqd/011:04:140
9215993024,3cyclictest9-21ksoftirqd/010:29:140
9215993023,4cyclictest9-21ksoftirqd/012:13:180
9232992924,3cyclictest41-21ksoftirqd/309:34:313
9232992924,3cyclictest41-21ksoftirqd/309:19:393
9226992924,3cyclictest33-21ksoftirqd/211:34:332
9226992923,3cyclictest12558-21fschecks_time12:29:342
9215992924,3cyclictest9-21ksoftirqd/013:39:190
9215992924,3cyclictest9-21ksoftirqd/012:59:350
9215992924,3cyclictest9-21ksoftirqd/009:44:330
9215992923,3cyclictest9-21ksoftirqd/012:14:360
9215992923,3cyclictest9-21ksoftirqd/012:04:160
9215992923,3cyclictest9-21ksoftirqd/011:14:450
9215992923,3cyclictest9-21ksoftirqd/011:14:450
9232992823,3cyclictest41-21ksoftirqd/309:29:123
9232992823,3cyclictest41-21ksoftirqd/309:29:123
9232992822,4cyclictest41-21ksoftirqd/311:34:253
9232992821,4cyclictest41-21ksoftirqd/310:17:273
9226992822,3cyclictest33-21ksoftirqd/210:02:322
9226992822,3cyclictest33-21ksoftirqd/209:17:342
9226992822,3cyclictest33-21ksoftirqd/208:41:222
9226992822,3cyclictest33-21ksoftirqd/208:37:242
9215992822,3cyclictest9-21ksoftirqd/010:41:120
9215992821,4cyclictest9-21ksoftirqd/011:52:450
9215992821,4cyclictest9-21ksoftirqd/008:51:560
9215992821,4cyclictest18164-21cron09:44:120
88572286,10sleep00-21swapper/008:15:460
9232992721,3cyclictest41-21ksoftirqd/308:44:143
9232992720,4cyclictest41-21ksoftirqd/309:59:253
9226992721,4cyclictest33-21ksoftirqd/210:19:272
9226992721,4cyclictest33-21ksoftirqd/208:30:592
9226992721,3cyclictest33-21ksoftirqd/213:08:202
9226992720,4cyclictest33-21ksoftirqd/209:56:302
921599274,5cyclictest1760-21runrttasks13:45:010
9215992722,3cyclictest9-21ksoftirqd/012:49:310
9215992722,3cyclictest9-21ksoftirqd/011:34:320
9215992722,3cyclictest9-21ksoftirqd/010:34:140
9215992722,3cyclictest9-21ksoftirqd/010:00:090
9215992722,3cyclictest9-21ksoftirqd/008:59:390
9215992722,3cyclictest9-21ksoftirqd/008:59:110
9215992721,4cyclictest9-21ksoftirqd/009:22:070
9215992721,3cyclictest9-21ksoftirqd/013:40:090
9215992720,4cyclictest9-21ksoftirqd/011:59:090
9215992720,4cyclictest9-21ksoftirqd/009:58:360
9215992720,4cyclictest9-21ksoftirqd/009:17:300
9215992720,4cyclictest9-21ksoftirqd/008:38:440
9232992619,4cyclictest41-21ksoftirqd/309:09:463
9226992621,3cyclictest33-21ksoftirqd/210:44:112
9226992620,4cyclictest33-21ksoftirqd/210:09:102
9226992620,3cyclictest33-21ksoftirqd/210:49:422
9226992619,4cyclictest33-21ksoftirqd/210:17:132
9215992621,3cyclictest9-21ksoftirqd/013:29:420
9215992621,3cyclictest9-21ksoftirqd/012:44:350
9215992621,3cyclictest9-21ksoftirqd/012:29:370
9215992621,3cyclictest9-21ksoftirqd/010:04:320
9215992621,3cyclictest9-21ksoftirqd/009:14:110
9215992620,3cyclictest9-21ksoftirqd/013:24:370
9215992620,3cyclictest9-21ksoftirqd/009:51:490
9215992620,3cyclictest9-21ksoftirqd/009:38:040
9215992620,3cyclictest9-21ksoftirqd/009:34:120
9215992620,3cyclictest9-21ksoftirqd/009:34:120
9215992620,3cyclictest9-21ksoftirqd/009:27:020
9215992620,3cyclictest9-21ksoftirqd/009:27:020
9232992520,3cyclictest41-21ksoftirqd/309:44:323
9226992521,3cyclictest33-21ksoftirqd/208:54:322
9226992519,4cyclictest33-21ksoftirqd/212:40:462
9226992519,3cyclictest33-21ksoftirqd/209:09:022
9226992519,3cyclictest33-21ksoftirqd/209:01:522
9226992518,4cyclictest33-21ksoftirqd/212:51:182
9226992518,4cyclictest33-21ksoftirqd/211:02:542
9226992518,4cyclictest33-21ksoftirqd/209:25:022
9226992518,4cyclictest33-21ksoftirqd/209:25:022
9226992518,4cyclictest33-21ksoftirqd/208:21:272
9215992520,3cyclictest9-21ksoftirqd/012:09:160
9215992520,3cyclictest9-21ksoftirqd/011:29:310
9215992519,3cyclictest9-21ksoftirqd/012:24:360
9215992519,3cyclictest9-21ksoftirqd/011:09:060
9215992519,3cyclictest9-21ksoftirqd/009:04:420
9215992519,3cyclictest9-21ksoftirqd/008:24:120
9215992518,4cyclictest9-21ksoftirqd/008:46:300
9215992518,4cyclictest2840-21diskmemload12:36:000
9232992418,4cyclictest41-21ksoftirqd/309:56:473
9226992418,3cyclictest33-21ksoftirqd/209:51:362
9226992417,4cyclictest33-21ksoftirqd/211:55:532
9215992418,3cyclictest9-21ksoftirqd/013:12:580
9215992418,3cyclictest9-21ksoftirqd/010:39:140
9215992418,3cyclictest9-21ksoftirqd/010:17:420
9215992416,5cyclictest1004-21grep12:54:330
9215992416,5cyclictest1004-21grep12:54:330
9226992317,4cyclictest33-21ksoftirqd/208:27:252
9226992317,3cyclictest33-21ksoftirqd/209:41:422
9226992317,3cyclictest33-21ksoftirqd/209:31:592
9226992317,3cyclictest33-21ksoftirqd/209:31:592
9215992316,4cyclictest9-21ksoftirqd/012:41:160
9215992316,4cyclictest9-21ksoftirqd/008:39:480
177391230,0ptp4l401ktimersoftd/308:59:353
9226992217,3cyclictest33-21ksoftirqd/213:19:372
9226992217,3cyclictest33-21ksoftirqd/212:19:172
9226992217,3cyclictest33-21ksoftirqd/211:39:352
9226992217,3cyclictest33-21ksoftirqd/210:49:142
9226992216,4cyclictest33-21ksoftirqd/213:29:522
9226992216,4cyclictest33-21ksoftirqd/210:13:082
9215992217,3cyclictest9-21ksoftirqd/008:19:390
9226992116,3cyclictest33-21ksoftirqd/211:59:342
9226992116,3cyclictest33-21ksoftirqd/210:29:332
9226992115,4cyclictest33-21ksoftirqd/213:38:152
9226992115,3cyclictest33-21ksoftirqd/213:18:592
9226992115,3cyclictest33-21ksoftirqd/208:48:072
9226992114,4cyclictest27572-21sh12:09:092
9226992014,3cyclictest8048-21cat13:39:382
9226992014,3cyclictest14842-21/usr/sbin/munin11:14:382
9226992014,3cyclictest14842-21/usr/sbin/munin11:14:382
9226992014,3cyclictest13286-21sh11:11:232
9226992013,4cyclictest9074-21sh11:05:472
9226992013,4cyclictest27172-21sh12:46:232
9226992013,4cyclictest25066-21df08:49:272
9226992013,4cyclictest13747-21sh13:45:522
922699201,16cyclictest30080-21ssh13:28:502
9215992015,3cyclictest9-21ksoftirqd/013:14:350
9215992015,3cyclictest9-21ksoftirqd/010:49:280
922699197,9cyclictest0-21swapper/212:57:552
922699197,9cyclictest0-21swapper/212:57:552
9226991914,3cyclictest33-21ksoftirqd/210:24:252
9226991913,4cyclictest33-21ksoftirqd/211:19:282
9226991913,3cyclictest30923-21/usr/sbin/munin10:54:282
9226991913,3cyclictest28245-21expr12:09:312
9226991912,4cyclictest6942-21sh12:22:492
9226991912,4cyclictest17029-21sh10:35:422
9226991912,4cyclictest13434-21grep13:09:332
922699190,2cyclictest0-21swapper/209:44:342
9215991913,3cyclictest9-21ksoftirqd/011:44:290
9215991913,3cyclictest9-21ksoftirqd/010:09:360
9226991812,3cyclictest33-21ksoftirqd/209:09:212
9226991811,4cyclictest8624-21sed11:44:362
922699180,15cyclictest16140-21sh12:34:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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