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2026-08-25 - 11:53
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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 the highest latencies:
System rackbslot6.osadl.org (updated Tue Aug 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122421780,4sleep0650899cyclictest01:43:080
610821750,5sleep1651499cyclictest01:48:111
1068911200,8ptp4l11706-21kworker/3:221:28:013
106891690,1ptp4l401ktimersoftd/300:31:003
62322664,10sleep20-21swapper/221:29:012
106891660,1ptp4l401ktimersoftd/301:17:173
165802640,2sleep30-21swapper/301:59:053
109092600,2sleep20-21swapper/201:21:222
138442590,4sleep3652499cyclictest23:44:593
60682584,42sleep00-21swapper/021:26:530
106891580,1ptp4l401ktimersoftd/323:52:103
106891580,1ptp4l401ktimersoftd/302:02:233
172072560,4sleep117211-21timerandwakeup22:56:481
109242560,1sleep30-21swapper/300:15:033
106891560,1ptp4l401ktimersoftd/301:03:443
106891550,1ptp4l401ktimersoftd/302:44:553
85762540,4sleep233-21ksoftirqd/222:41:232
106891540,1ptp4l401ktimersoftd/323:31:343
106891540,1ptp4l401ktimersoftd/301:40:123
286312530,2sleep20-21swapper/200:00:042
286312530,2sleep20-21swapper/200:00:042
166022530,3sleep10-21swapper/101:26:391
6524995044,3cyclictest41-21ksoftirqd/323:36:353
106891500,1ptp4l401ktimersoftd/321:47:323
650899477,8cyclictest25293-21sh01:01:430
158182470,2sleep00-21swapper/000:20:010
106891460,1ptp4l401ktimersoftd/323:27:223
650899444,6cyclictest20572-21ssh02:41:390
650899441,11cyclictest32283-21diskmemload00:05:140
64632440,1sleep10-21swapper/100:42:071
210702420,1sleep20-21swapper/200:56:572
6524994133,4cyclictest41-21ksoftirqd/302:56:353
106891410,1ptp4l401ktimersoftd/301:45:293
6524994030,4cyclictest41-21ksoftirqd/301:31:363
6524994030,4cyclictest41-21ksoftirqd/301:31:363
650899405,5cyclictest9-21ksoftirqd/002:31:400
650899403,7cyclictest101ktimersoftd/001:06:420
650899403,4cyclictest9-21ksoftirqd/001:55:090
106891400,1ptp4l401ktimersoftd/300:04:093
106891390,9ptp4l401ktimersoftd/323:17:533
106891390,1ptp4l401ktimersoftd/321:51:283
106891390,1ptp4l401ktimersoftd/302:06:433
106891390,1ptp4l401ktimersoftd/301:06:343
650899384,5cyclictest9-21ksoftirqd/022:04:460
650899383,5cyclictest9-21ksoftirqd/002:51:370
650899383,5cyclictest9-21ksoftirqd/001:21:110
650899383,5cyclictest9-21ksoftirqd/000:31:430
106891380,2ptp4l29372-21kworker/3:200:06:383
106891380,1ptp4l401ktimersoftd/302:34:543
106891380,1ptp4l401ktimersoftd/302:19:163
106891380,1ptp4l401ktimersoftd/300:25:563
106891380,10ptp4l401ktimersoftd/301:46:593
650899373,5cyclictest9-21ksoftirqd/022:51:340
650899373,5cyclictest9-21ksoftirqd/000:58:500
106891370,1ptp4l401ktimersoftd/302:48:503
106891370,1ptp4l401ktimersoftd/302:40:193
106891370,1ptp4l401ktimersoftd/302:27:393
106891370,1ptp4l401ktimersoftd/302:14:343
106891370,1ptp4l401ktimersoftd/301:56:153
106891370,1ptp4l401ktimersoftd/301:30:003
106891370,1ptp4l401ktimersoftd/301:26:113
106891370,1ptp4l401ktimersoftd/301:13:143
106891370,1ptp4l401ktimersoftd/300:38:183
106891370,1ptp4l401ktimersoftd/300:00:163
106891370,1ptp4l401ktimersoftd/300:00:163
650899363,9cyclictest9-21ksoftirqd/023:37:480
650899363,5cyclictest9-21ksoftirqd/002:01:290
650899363,5cyclictest9-21ksoftirqd/001:21:510
106891360,1ptp4l401ktimersoftd/323:47:303
106891360,1ptp4l401ktimersoftd/302:52:183
106891360,1ptp4l401ktimersoftd/302:22:083
106891360,1ptp4l401ktimersoftd/300:58:303
106891360,1ptp4l401ktimersoftd/300:47:103
106891360,1ptp4l401ktimersoftd/300:43:453
106891360,1ptp4l401ktimersoftd/300:32:003
106891350,0ptp4l401ktimersoftd/322:21:413
6524993428,3cyclictest41-21ksoftirqd/322:51:373
6524993428,3cyclictest41-21ksoftirqd/322:11:183
650899345,7cyclictest0-21swapper/002:06:310
650899345,6cyclictest9-21ksoftirqd/000:24:380
650899343,6cyclictest9-21ksoftirqd/023:54:460
650899343,5cyclictest9-21ksoftirqd/002:58:550
650899342,5cyclictest0-21swapper/023:41:550
106891340,2ptp4l12768-21kworker/3:023:21:263
106891340,1ptp4l401ktimersoftd/300:53:053
6524993326,4cyclictest41-21ksoftirqd/322:46:313
650899335,8cyclictest2599-21ssh00:38:560
650899333,5cyclictest9-21ksoftirqd/000:12:500
6524993226,3cyclictest41-21ksoftirqd/322:46:193
6524993226,3cyclictest41-21ksoftirqd/322:21:183
6524993226,3cyclictest41-21ksoftirqd/322:21:183
6524993222,6cyclictest41-21ksoftirqd/321:31:293
6524993222,5cyclictest41-21ksoftirqd/321:56:303
6514993227,3cyclictest25-21ksoftirqd/101:51:281
6514993226,3cyclictest25-21ksoftirqd/102:51:241
650899326,9cyclictest9-21ksoftirqd/023:35:490
650899323,5cyclictest9-21ksoftirqd/001:15:480
650899323,5cyclictest9-21ksoftirqd/000:42:520
617423210,10sleep10-21swapper/121:28:151
106891320,2ptp4l12768-21kworker/3:023:10:513
106891320,1ptp4l401ktimersoftd/322:01:183
650899316,6cyclictest9-21ksoftirqd/023:57:330
650899316,6cyclictest9-21ksoftirqd/023:57:330
650899315,7cyclictest9-21ksoftirqd/001:36:410
650899312,3cyclictest9-21ksoftirqd/002:14:060
106891310,1ptp4l401ktimersoftd/322:28:563
106891310,1ptp4l401ktimersoftd/322:15:113
106891310,1ptp4l401ktimersoftd/321:44:003
6519993024,3cyclictest33-21ksoftirqd/222:26:332
6514993024,3cyclictest25-21ksoftirqd/122:41:191
650899305,6cyclictest9-21ksoftirqd/022:36:450
650899304,4cyclictest9-21ksoftirqd/022:16:060
650899303,5cyclictest9-21ksoftirqd/023:49:460
106891300,1ptp4l401ktimersoftd/300:17:553
106891300,0ptp4l401ktimersoftd/323:00:293
106891300,0ptp4l401ktimersoftd/322:34:583
6524992923,3cyclictest41-21ksoftirqd/323:11:493
6524992922,4cyclictest41-21ksoftirqd/322:36:393
6519992923,3cyclictest33-21ksoftirqd/202:31:382
6514992923,3cyclictest25-21ksoftirqd/123:51:411
650899295,8cyclictest9-21ksoftirqd/002:01:120
650899295,6cyclictest9-21ksoftirqd/022:46:430
650899295,5cyclictest9-21ksoftirqd/002:37:530
650899294,7cyclictest9-21ksoftirqd/001:27:170
106891290,0ptp4l401ktimersoftd/323:03:123
6519992822,4cyclictest33-21ksoftirqd/202:16:362
6519992822,3cyclictest33-21ksoftirqd/201:30:002
6514992823,3cyclictest25-21ksoftirqd/123:46:471
6514992823,3cyclictest25-21ksoftirqd/102:16:361
6514992822,3cyclictest25-21ksoftirqd/101:06:411
6514992821,4cyclictest25-21ksoftirqd/122:06:351
650899285,8cyclictest9-21ksoftirqd/002:49:450
650899285,7cyclictest9-21ksoftirqd/000:06:460
650899285,15cyclictest9-21ksoftirqd/000:48:080
650899284,5cyclictest9-21ksoftirqd/001:31:410
650899284,5cyclictest9-21ksoftirqd/001:31:410
650899284,4cyclictest9-21ksoftirqd/000:29:110
650899284,3cyclictest9-21ksoftirqd/023:23:180
6524992721,3cyclictest41-21ksoftirqd/321:41:173
6519992722,3cyclictest33-21ksoftirqd/221:36:322
6519992722,3cyclictest33-21ksoftirqd/200:01:352
6514992722,3cyclictest25-21ksoftirqd/100:56:341
6514992721,4cyclictest25-21ksoftirqd/100:51:511
6514992721,3cyclictest25-21ksoftirqd/101:21:221
6514992721,3cyclictest25-21ksoftirqd/100:36:411
6514992720,4cyclictest25-21ksoftirqd/102:41:391
650899276,7cyclictest9-21ksoftirqd/021:59:270
650899275,8cyclictest9-21ksoftirqd/022:41:420
650899275,5cyclictest9-21ksoftirqd/000:52:350
650899274,7cyclictest9-21ksoftirqd/021:31:300
650899274,7cyclictest9-21ksoftirqd/002:21:430
650899274,6cyclictest9-21ksoftirqd/022:31:350
650899274,5cyclictest9-21ksoftirqd/002:18:040
650899274,14cyclictest9-21ksoftirqd/001:49:340
6519992621,3cyclictest33-21ksoftirqd/202:51:242
6519992620,3cyclictest33-21ksoftirqd/202:53:402
6519992620,3cyclictest33-21ksoftirqd/202:28:042
6519992620,3cyclictest33-21ksoftirqd/200:39:102
6514992621,3cyclictest25-21ksoftirqd/123:41:201
6514992621,3cyclictest25-21ksoftirqd/121:51:351
6514992621,3cyclictest25-21ksoftirqd/102:36:241
6514992621,3cyclictest25-21ksoftirqd/102:16:241
6514992621,3cyclictest25-21ksoftirqd/101:01:351
6514992621,3cyclictest25-21ksoftirqd/100:01:411
6514992620,3cyclictest25-21ksoftirqd/123:26:361
6514992620,3cyclictest25-21ksoftirqd/122:01:371
6514992620,3cyclictest25-21ksoftirqd/101:56:491
6514992620,3cyclictest25-21ksoftirqd/101:11:401
6514992620,3cyclictest25-21ksoftirqd/100:06:381
6514992619,4cyclictest25-21ksoftirqd/122:49:171
6514992619,4cyclictest25-21ksoftirqd/122:33:151
650899264,18cyclictest20875-21tune2fs23:06:350
650899263,4cyclictest9-21ksoftirqd/002:29:420
6508992619,4cyclictest9-21ksoftirqd/023:21:160
651999254,13cyclictest15021-21ssh23:46:292
6519992521,3cyclictest33-21ksoftirqd/201:21:452
6519992520,3cyclictest33-21ksoftirqd/222:16:182
6519992520,3cyclictest33-21ksoftirqd/201:43:222
6519992519,3cyclictest33-21ksoftirqd/221:44:092
6519992518,4cyclictest33-21ksoftirqd/222:23:212
6519992518,4cyclictest33-21ksoftirqd/222:08:392
6519992518,4cyclictest33-21ksoftirqd/221:55:102
6514992520,3cyclictest25-21ksoftirqd/101:31:411
6514992520,3cyclictest25-21ksoftirqd/101:31:411
6514992520,3cyclictest25-21ksoftirqd/100:26:481
6514992520,3cyclictest25-21ksoftirqd/100:11:351
6514992519,3cyclictest25-21ksoftirqd/102:51:441
6514992519,3cyclictest25-21ksoftirqd/100:16:401
6514992518,4cyclictest47050irq/101-ens3-Tx02:26:251
6514992518,4cyclictest25-21ksoftirqd/101:41:411
650899256,7cyclictest9-21ksoftirqd/022:26:360
650899255,6cyclictest9-21ksoftirqd/022:21:420
650899255,6cyclictest9-21ksoftirqd/021:36:410
650899254,18cyclictest16232-21sed22:56:360
6508992519,3cyclictest9-21ksoftirqd/021:41:210
6519992419,3cyclictest33-21ksoftirqd/202:56:422
6519992419,3cyclictest33-21ksoftirqd/200:26:212
6519992418,4cyclictest33-21ksoftirqd/200:16:362
6519992418,3cyclictest33-21ksoftirqd/222:54:352
6519992417,4cyclictest5741-21cron22:36:192
6519992417,4cyclictest33-21ksoftirqd/223:22:022
6519992417,4cyclictest33-21ksoftirqd/222:59:102
6514992419,3cyclictest25-21ksoftirqd/121:46:411
6514992418,3cyclictest25-21ksoftirqd/121:57:581
6514992417,4cyclictest25-21ksoftirqd/122:52:141
6514992417,4cyclictest25-21ksoftirqd/122:21:231
650899245,9cyclictest9-21ksoftirqd/021:52:060
650899245,8cyclictest9-21ksoftirqd/023:26:420
650899245,5cyclictest9-21ksoftirqd/021:46:410
650899244,6cyclictest9-21ksoftirqd/022:21:180
650899244,6cyclictest9-21ksoftirqd/022:21:180
650899243,5cyclictest9-21ksoftirqd/023:01:350
651999239,11cyclictest6418-21ls02:26:252
651999236,4cyclictest13797-21sh23:44:552
651999233,3cyclictest17270-21kworker/2:201:10:172
6519992319,3cyclictest33-21ksoftirqd/223:17:502
6519992318,3cyclictest33-21ksoftirqd/201:46:502
6519992318,3cyclictest33-21ksoftirqd/200:41:362
6519992318,3cyclictest33-21ksoftirqd/200:06:432
6519992317,3cyclictest33-21ksoftirqd/222:19:062
6519992317,3cyclictest33-21ksoftirqd/222:19:062
6519992317,3cyclictest33-21ksoftirqd/202:41:392
6519992317,3cyclictest33-21ksoftirqd/200:53:382
6519992310,10cyclictest15985-21cut21:46:442
651499234,11cyclictest27034-21ssh00:31:321
6514992318,3cyclictest25-21ksoftirqd/102:56:531
6514992318,3cyclictest25-21ksoftirqd/101:37:471
6514992317,3cyclictest25-21ksoftirqd/123:41:401
6514992317,3cyclictest25-21ksoftirqd/123:11:361
6514992317,3cyclictest25-21ksoftirqd/122:26:381
6514992317,3cyclictest25-21ksoftirqd/102:39:461
650899235,8cyclictest9-21ksoftirqd/023:14:530
650899234,7cyclictest9-21ksoftirqd/022:06:360
230132230,4sleep2651999cyclictest02:06:272
103172230,2sleep10-21swapper/102:29:441
72102220,5sleep233-21ksoftirqd/223:37:072
6519992217,3cyclictest33-21ksoftirqd/223:13:412
6519992217,3cyclictest33-21ksoftirqd/202:05:402
6519992217,3cyclictest33-21ksoftirqd/200:26:412
6519992216,3cyclictest33-21ksoftirqd/201:06:222
6519992216,3cyclictest1576-21tr01:11:352
6519992215,4cyclictest33-21ksoftirqd/222:50:102
6514992218,3cyclictest25-21ksoftirqd/100:22:511
6514992217,3cyclictest25-21ksoftirqd/121:31:331
6514992217,3cyclictest25-21ksoftirqd/100:46:411
6514992216,3cyclictest25-21ksoftirqd/123:16:381
6514992215,4cyclictest25-21ksoftirqd/122:16:291
6514992215,4cyclictest25-21ksoftirqd/122:16:291
6514992214,4cyclictest32612-21/usr/sbin/munin23:31:491
651999217,11cyclictest9634-21expr00:46:362
651999212,12cyclictest26228-21ssh01:36:352
6519992116,3cyclictest33-21ksoftirqd/201:56:462
6519992115,3cyclictest33-21ksoftirqd/222:02:172
6519992115,3cyclictest33-21ksoftirqd/221:56:462
6519992114,5cyclictest33-21ksoftirqd/223:51:392
6519992114,4cyclictest19208-21sh02:41:182
6514992116,3cyclictest25-21ksoftirqd/121:36:201
6514992115,4cyclictest25-21ksoftirqd/123:03:181
6514992115,3cyclictest25-21ksoftirqd/123:06:581
6514992115,3cyclictest25-21ksoftirqd/122:14:391
6514992114,4cyclictest25-21ksoftirqd/121:44:171
6514992114,4cyclictest25190-21fschecks_count23:56:361
6514992114,4cyclictest25190-21fschecks_count23:56:361
651499211,3cyclictest8123-21apt-get22:41:211
6514992112,6cyclictest12000-21if_err_ens301:21:431
236982211,3sleep1121rcu_preempt02:07:391
6519992014,3cyclictest7410-21snmp_o5powerctl22:36:472
6519992013,4cyclictest8722-21sed00:11:472
6519992013,4cyclictest33-21ksoftirqd/221:32:502
6519992013,4cyclictest30289-21cat23:26:332
6519992013,4cyclictest27292-21df00:31:342
6519992013,4cyclictest21354-21expr01:31:372
6519992013,4cyclictest21354-21expr01:31:372
6519992013,4cyclictest19308-21proc_pri23:01:412
651999200,3cyclictest121rcu_preempt23:31:222
6514992015,3cyclictest25-21ksoftirqd/123:21:391
6514992014,3cyclictest25-21ksoftirqd/102:01:381
6519991913,3cyclictest26330-21sh02:11:482
6519991912,4cyclictest21961-21grep23:06:482
6519991912,4cyclictest12871-21sh01:56:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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