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2026-03-22 - 21:12
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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 Sun Mar 22, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2190224250,7sleep2321ktimersoftd/208:00:532
1399921560,4sleep32236299cyclictest11:08:413
3072921500,5sleep02234799cyclictest10:20:240
1068911500,6ptp4l391rcuc/308:03:193
2491621440,5sleep32236299cyclictest10:45:573
106891770,1ptp4l401ktimersoftd/312:26:483
106891690,1ptp4l401ktimersoftd/311:20:073
253142660,3sleep10-21swapper/111:20:391
2234799631,26cyclictest17418-21awk12:50:500
220832624,10sleep00-21swapper/008:03:140
276852600,3sleep2311rcuc/213:35:302
9392590,1sleep20-21swapper/213:07:082
22347995913,24cyclictest15737-21diskmemload12:30:010
172132580,2sleep10-21swapper/113:24:331
172132580,2sleep10-21swapper/113:24:331
106891560,0ptp4l401ktimersoftd/311:27:063
6602550,3sleep3618-21ssh12:00:483
16112550,1sleep00-21swapper/011:29:340
106891550,1ptp4l401ktimersoftd/312:33:033
22347995411,24cyclictest25998-21cat09:15:520
262452520,1sleep30-21swapper/313:00:433
22347995112,28cyclictest29380-21sh13:03:390
15542510,2sleep30-21swapper/312:35:413
107712500,1sleep30-21swapper/313:17:093
220442494,33sleep10-21swapper/108:02:431
2234799482,37cyclictest16148-21apt-get10:05:370
106891470,1ptp4l401ktimersoftd/310:34:213
2234799452,36cyclictest13343-21apt-get13:20:430
2234799452,36cyclictest13343-21apt-get13:20:430
22357994431,6cyclictest33-21ksoftirqd/213:00:412
2234799443,35cyclictest1492-21apt-get12:35:400
2234799443,33cyclictest13291-21apt-get10:35:370
2234799441,27cyclictest22699-21mailstats10:10:480
2234799440,29cyclictest30887-21grep13:05:430
22357994329,6cyclictest33-21ksoftirqd/213:10:422
106891430,2ptp4l16500-21kworker/3:213:27:283
2234799422,34cyclictest6490-21apt-get12:40:410
106891420,1ptp4l401ktimersoftd/310:23:213
2234799411,34cyclictest21996-21apt-get11:50:390
2234799410,2cyclictest0-21swapper/010:34:530
106891410,1ptp4l401ktimersoftd/308:15:373
2235399404,9cyclictest17133-21ssh11:45:391
2235399403,6cyclictest0-21swapper/112:35:401
2234799403,30cyclictest15432-21apt-get11:10:380
2234799402,31cyclictest2544-21apt-get11:30:400
2234799402,31cyclictest2544-21apt-get11:30:400
2234799402,31cyclictest11369-21apt-get12:45:420
22347994021,16cyclictest9-21ksoftirqd/010:01:330
2235399394,8cyclictest27926-21ssh10:50:361
2235399392,9cyclictest598-21apt-get10:55:371
2234799393,31cyclictest17128-21apt-get11:45:400
106891390,1ptp4l401ktimersoftd/313:35:083
106891390,1ptp4l401ktimersoftd/312:51:533
106891390,1ptp4l401ktimersoftd/310:58:213
2235399383,8cyclictest8498-21apt-get10:30:371
2234799382,32cyclictest27923-21apt-get10:50:360
2234799382,30cyclictest14796-21apt-get08:55:370
22347993814,21cyclictest31047-21/usr/sbin/munin10:20:470
22347993813,22cyclictest23529-21grep10:45:420
2234799381,21cyclictest0-21swapper/009:10:420
106891380,1ptp4l401ktimersoftd/312:49:503
106891380,1ptp4l401ktimersoftd/312:24:313
106891380,1ptp4l401ktimersoftd/312:11:293
106891380,1ptp4l401ktimersoftd/311:59:493
106891380,1ptp4l401ktimersoftd/311:46:463
106891380,1ptp4l401ktimersoftd/311:32:423
106891380,1ptp4l401ktimersoftd/311:32:423
106891380,1ptp4l401ktimersoftd/310:55:103
106891380,1ptp4l401ktimersoftd/310:37:153
2235399373,6cyclictest0-21swapper/108:15:331
2235399372,8cyclictest23054-21apt-get10:45:381
2234799372,29cyclictest14423-21apt-get12:15:400
2234799371,32cyclictest0-21swapper/009:50:370
2234799371,32cyclictest0-21swapper/009:50:370
2234799370,5cyclictest1204-21chrt09:35:040
2234799370,4cyclictest8328-21chrt09:46:480
2234799370,4cyclictest14813-21ssh11:10:060
106891370,1ptp4l401ktimersoftd/313:23:403
106891370,1ptp4l401ktimersoftd/313:23:403
106891370,1ptp4l401ktimersoftd/313:13:463
106891370,1ptp4l401ktimersoftd/312:42:503
106891370,1ptp4l401ktimersoftd/312:17:263
106891370,1ptp4l401ktimersoftd/311:41:143
106891370,1ptp4l401ktimersoftd/311:35:383
106891370,1ptp4l401ktimersoftd/311:21:243
106891370,1ptp4l401ktimersoftd/310:42:483
106891370,1ptp4l401ktimersoftd/310:26:533
106891370,1ptp4l401ktimersoftd/310:08:343
106891370,1ptp4l401ktimersoftd/309:21:073
106891370,0ptp4l401ktimersoftd/312:08:393
106891370,0ptp4l401ktimersoftd/310:17:283
22357993629,4cyclictest33-21ksoftirqd/211:00:382
22357993624,6cyclictest33-21ksoftirqd/211:20:382
2235399363,8cyclictest8925-21apt-get09:50:371
2235399363,8cyclictest8925-21apt-get09:50:371
22353993612,4cyclictest14999-21sh11:42:251
22353993612,3cyclictest13431-21latency_hist10:00:251
22353993610,4cyclictest22698-21if_ens309:10:421
22347993614,19cyclictest15737-21diskmemload12:23:270
2234799361,32cyclictest0-21swapper/009:35:410
22347993610,23cyclictest27376-21basename09:20:410
22347993610,22cyclictest682-21needreboot12:00:490
2234799360,32cyclictest20347-21apt-get11:15:390
2234799360,2cyclictest0-21swapper/011:04:580
2234799360,22cyclictest0-21swapper/013:15:480
1781323613,9sleep233-21ksoftirqd/211:45:472
106891360,1ptp4l401ktimersoftd/311:02:343
106891360,0ptp4l401ktimersoftd/310:13:283
22353993513,3cyclictest1327-21sh11:29:051
22353993512,3cyclictest28474-21sh13:02:051
22353993511,3cyclictest20399-21sh12:54:591
22353993511,3cyclictest20230-21idleruntime09:05:401
2234799352,27cyclictest598-21apt-get10:55:370
2234799351,29cyclictest0-21swapper/009:00:360
22347993511,21cyclictest25567-21/usr/sbin/munin08:10:400
22347993511,21cyclictest1055-21runrttasks08:22:250
22347993510,21cyclictest22648-21latency_hist13:30:300
2234799350,2cyclictest0-21swapper/009:25:390
2234799350,2cyclictest0-21swapper/008:15:420
2234799350,23cyclictest14682-21ssh11:41:520
22353993413,4cyclictest26825-21sshd12:27:241
22353993413,3cyclictest4118-21sed08:30:491
22353993411,4cyclictest13756-21cpuspeed_turbos10:00:411
2235399341,12cyclictest8488-21memory11:35:481
2234799349,22cyclictest29863-21cat11:25:270
2234799341,30cyclictest9744-21latency_hist08:45:240
2234799341,30cyclictest14462-21cron08:55:240
22347993411,20cyclictest1055-21runrttasks13:33:520
22347993410,21cyclictest30750-21sed12:30:570
22347993410,21cyclictest20038-21tune2fs09:05:380
2234799340,3cyclictest15737-21diskmemload10:26:130
2234799340,2cyclictest0-21swapper/011:39:140
2234799340,2cyclictest0-21swapper/010:43:450
2234799340,2cyclictest0-21swapper/009:55:400
2234799340,2cyclictest0-21swapper/009:40:440
106891340,1ptp4l401ktimersoftd/312:59:253
106891340,1ptp4l401ktimersoftd/311:10:533
22357993321,5cyclictest33-21ksoftirqd/212:20:422
2234799339,21cyclictest22773-21timerwakeupswit12:55:570
2234799338,22cyclictest4179-21irqrtprio13:10:490
2234799331,28cyclictest26484-21apt-get11:55:320
2234799331,26cyclictest5101-21apt-get08:35:360
22347993311,19cyclictest10370-21missed_timers12:10:490
106891330,1ptp4l401ktimersoftd/313:08:343
106891330,1ptp4l401ktimersoftd/308:50:483
106891330,11ptp4l401ktimersoftd/309:03:353
106891330,0ptp4l401ktimersoftd/308:46:303
2235799325,15cyclictest9321-21ssh12:10:402
22357993227,3cyclictest33-21ksoftirqd/211:00:272
22357993226,3cyclictest33-21ksoftirqd/211:55:282
22357993219,7cyclictest33-21ksoftirqd/210:20:352
2234799329,20cyclictest4772-21cat12:05:440
2234799327,22cyclictest22733-21expr08:05:360
2234799321,27cyclictest4060-21/usr/sbin/munin08:30:490
106891320,1ptp4l401ktimersoftd/309:34:103
106891320,0ptp4l401ktimersoftd/308:08:303
22357993125,3cyclictest33-21ksoftirqd/213:25:302
22357993125,3cyclictest33-21ksoftirqd/213:25:302
2235399312,8cyclictest24833-21munin-node08:10:231
2234799311,27cyclictest422-21cpuspeed_turbos08:25:360
2234799311,26cyclictest9968-21/usr/sbin/munin08:45:370
106891310,1ptp4l401ktimersoftd/309:16:393
106891310,0ptp4l401ktimersoftd/309:43:333
251202300,5sleep12235399cyclictest11:53:071
22357993024,3cyclictest33-21ksoftirqd/208:10:232
22357993018,5cyclictest33-21ksoftirqd/212:30:412
22357993011,17cyclictest33-21ksoftirqd/209:00:502
22357992923,3cyclictest33-21ksoftirqd/210:55:272
22357992922,4cyclictest33-21ksoftirqd/209:20:322
22357992922,3cyclictest33-21ksoftirqd/213:20:302
22357992922,3cyclictest33-21ksoftirqd/209:45:532
22357992916,6cyclictest33-21ksoftirqd/208:20:362
22357992916,6cyclictest321ktimersoftd/208:25:342
22357992916,11cyclictest33-21ksoftirqd/212:30:272
22353992912,3cyclictest15737-21diskmemload10:21:501
106891290,1ptp4l401ktimersoftd/309:00:243
106891290,0ptp4l401ktimersoftd/310:05:183
22357992823,3cyclictest33-21ksoftirqd/213:00:292
22357992823,3cyclictest33-21ksoftirqd/211:40:272
22357992823,3cyclictest33-21ksoftirqd/208:50:432
22357992823,3cyclictest33-21ksoftirqd/208:35:242
22357992822,3cyclictest33-21ksoftirqd/212:55:292
22357992822,3cyclictest33-21ksoftirqd/212:15:462
22357992822,3cyclictest33-21ksoftirqd/210:35:262
2235799274,13cyclictest18175-21ssh10:40:382
22357992722,3cyclictest33-21ksoftirqd/210:10:262
22357992722,3cyclictest33-21ksoftirqd/208:45:372
22357992722,3cyclictest33-21ksoftirqd/208:40:432
22357992721,3cyclictest33-21ksoftirqd/209:50:432
22357992721,3cyclictest33-21ksoftirqd/209:50:432
22357992721,3cyclictest33-21ksoftirqd/209:40:402
22357992721,3cyclictest33-21ksoftirqd/209:35:422
22357992715,5cyclictest33-21ksoftirqd/210:15:362
106891270,6ptp4l401ktimersoftd/309:08:043
106891270,1ptp4l401ktimersoftd/308:39:073
260292260,2sleep10-21swapper/113:32:561
22357992621,3cyclictest33-21ksoftirqd/211:15:462
22357992621,3cyclictest33-21ksoftirqd/210:25:442
22357992620,3cyclictest6087-21sort12:40:302
22357992620,3cyclictest33-21ksoftirqd/211:32:572
22357992620,3cyclictest33-21ksoftirqd/211:32:572
22357992620,3cyclictest33-21ksoftirqd/209:15:402
22357992619,4cyclictest33-21ksoftirqd/209:59:022
22357992619,4cyclictest33-21ksoftirqd/209:09:042
2235799261,2cyclictest121rcu_preempt10:35:432
106891260,1ptp4l401ktimersoftd/311:53:453
106891260,1ptp4l401ktimersoftd/309:49:513
106891260,1ptp4l401ktimersoftd/308:35:023
22362992518,4cyclictest41-21ksoftirqd/309:54:053
22362992518,4cyclictest41-21ksoftirqd/309:54:053
22362992518,4cyclictest41-21ksoftirqd/308:21:003
22357992520,3cyclictest33-21ksoftirqd/212:45:482
22357992520,3cyclictest33-21ksoftirqd/211:41:012
22357992519,3cyclictest33-21ksoftirqd/212:05:422
22357992519,3cyclictest33-21ksoftirqd/211:15:272
22357992519,3cyclictest33-21ksoftirqd/209:35:252
22357992519,3cyclictest33-21ksoftirqd/208:35:372
22357992518,4cyclictest33-21ksoftirqd/210:01:352
22353992519,4cyclictest25-21ksoftirqd/108:23:431
22353992519,3cyclictest25-21ksoftirqd/108:57:061
22353992518,4cyclictest25-21ksoftirqd/109:40:021
106891250,1ptp4l401ktimersoftd/309:35:523
106891250,1ptp4l401ktimersoftd/308:40:263
2235799248,13cyclictest47150irq/102-ens3-Tx12:40:542
22357992419,3cyclictest33-21ksoftirqd/211:25:452
22357992419,3cyclictest33-21ksoftirqd/208:15:382
22357992417,4cyclictest33-21ksoftirqd/213:28:322
22357992416,6cyclictest33-21ksoftirqd/209:15:242
22357992411,11cyclictest33-21ksoftirqd/210:46:492
22353992419,3cyclictest25-21ksoftirqd/113:19:481
22353992418,3cyclictest25-21ksoftirqd/109:49:191
22353992418,3cyclictest25-21ksoftirqd/109:03:531
22353992417,4cyclictest25-21ksoftirqd/111:58:331
22353992417,4cyclictest25-21ksoftirqd/109:33:521
22353992417,4cyclictest25-21ksoftirqd/108:46:391
22353992416,5cyclictest16139-21sed12:15:571
106891240,1ptp4l401ktimersoftd/309:55:393
106891240,1ptp4l401ktimersoftd/309:25:363
106891240,1ptp4l401ktimersoftd/308:25:493
106891240,1ptp4l401ktimersoftd/308:10:233
2235799232,18cyclictest26008-21grep08:10:402
22357992315,4cyclictest33-21ksoftirqd/210:10:302
22357992312,6cyclictest33-21ksoftirqd/209:25:352
22353992317,3cyclictest25-21ksoftirqd/109:25:591
22353992317,3cyclictest25-21ksoftirqd/108:52:321
22353992317,3cyclictest25-21ksoftirqd/108:39:111
22353992317,3cyclictest13792-21cron12:15:281
22353992316,4cyclictest25-21ksoftirqd/112:05:561
22353992316,4cyclictest25-21ksoftirqd/110:28:201
106891230,1ptp4l401ktimersoftd/309:10:413
22357992215,4cyclictest33-21ksoftirqd/211:07:522
22357992211,5cyclictest33-21ksoftirqd/212:00:402
22353992217,3cyclictest25-21ksoftirqd/113:27:471
22353992216,4cyclictest25-21ksoftirqd/110:15:321
22353992216,4cyclictest25-21ksoftirqd/109:21:521
22353992215,4cyclictest19775-21head12:20:461
22353992212,6cyclictest47050irq/101-ens3-Tx11:30:401
22353992212,6cyclictest47050irq/101-ens3-Tx11:30:401
22357992114,4cyclictest33-21ksoftirqd/209:00:132
22353992116,3cyclictest25-21ksoftirqd/112:00:461
22353992115,4cyclictest25-21ksoftirqd/112:59:441
22353992114,4cyclictest8294-21if_err_enp1s0.108:40:431
22353992114,4cyclictest11962-21rt-features11:05:501
2235399211,3cyclictest10341-21ssh12:44:261
22353992113,4cyclictest27701-21cron08:15:221
22353992112,6cyclictest1055-21runrttasks09:45:031
22353992110,6cyclictest212862chrt10:10:381
22357992013,4cyclictest47150irq/102-ens3-Tx11:55:472
22353992014,3cyclictest977-21interrupts08:25:401
22353992014,3cyclictest25-21ksoftirqd/109:18:041
22353992014,3cyclictest18086-21/usr/sbin/munin10:40:551
22353992013,4cyclictest30785-21sh13:05:411
22353992013,4cyclictest19161-21sh11:14:101
22353992013,4cyclictest13710-21sh12:46:511
22353992012,5cyclictest14173-21cut10:35:441
22353991913,3cyclictest17325-21phc2sys10:05:461
22353991912,4cyclictest3748-21grep13:10:461
22353991912,4cyclictest29321-21sh12:30:431
22353991912,4cyclictest23464-21sh11:18:081
22353991812,3cyclictest6345-21if_enp1s0.111:00:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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