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2026-09-15 - 16:14
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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 Sep 15, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240421730,3sleep22460799cyclictest11:58:512
2949221670,3sleep32461699cyclictest12:59:423
3219721500,5sleep12460399cyclictest14:08:541
1068911230,8ptp4l16948-21kworker/3:109:40:203
317102810,2sleep20-21swapper/211:56:542
202332760,2sleep30-21swapper/314:30:203
24616997015,20cyclictest15778-21sh12:46:433
194612650,5sleep019458-21gltestperf13:23:320
241792644,10sleep00-21swapper/009:39:040
24607996311,18cyclictest25294-21rm14:03:232
24607996111,17cyclictest26788-21ssh14:38:122
24607996111,16cyclictest4827-21/usr/sbin/munin14:48:312
24607996014,17cyclictest2924-21awk11:08:442
24607995910,17cyclictest1055-21runrttasks12:21:212
319482580,3sleep331934-21apt-get13:03:283
24607995813,12cyclictest3819-21missed_timers10:03:302
24607995813,12cyclictest3819-21missed_timers10:03:302
244672584,10sleep10-21swapper/109:42:491
2460799579,17cyclictest22797-21cat10:43:312
24607995711,12cyclictest1163-21sh14:11:182
24607995611,12cyclictest20106-21sh11:43:542
24607995611,12cyclictest20106-21sh11:43:542
24607995610,15cyclictest7460-21snmp_o5powerctl13:43:442
24607995513,13cyclictest25625-21timerandwakeup10:48:402
145282550,2sleep014527-21cat10:28:110
24607995412,12cyclictest27109-21sh15:11:002
218502540,1sleep00-21swapper/011:46:520
218502540,1sleep00-21swapper/011:46:520
106891540,1ptp4l401ktimersoftd/313:55:513
2461699537,23cyclictest19285-21sh12:49:213
243002534,36sleep20-21swapper/209:40:402
2460799528,16cyclictest17732-21diskmemload13:03:192
24607994914,16cyclictest13194-21ssh13:17:242
24607994910,18cyclictest5311-21ssh13:08:342
2459799496,7cyclictest14792-21munin-run12:13:130
24597994939,3cyclictest9-21ksoftirqd/010:03:230
24597994939,3cyclictest9-21ksoftirqd/010:03:230
241502490,2sleep10-21swapper/114:01:471
195902490,1sleep30-21swapper/315:03:363
2461699481,28cyclictest9272-21sshd10:13:453
24597994839,3cyclictest9-21ksoftirqd/011:59:030
24597994820,4cyclictest9-21ksoftirqd/014:18:100
2459799476,6cyclictest9-21ksoftirqd/015:08:360
24597994722,10cyclictest9-21ksoftirqd/015:05:390
24597994721,9cyclictest9-21ksoftirqd/013:08:330
24597994721,7cyclictest9-21ksoftirqd/013:22:250
24597994721,4cyclictest9-21ksoftirqd/014:43:410
24597994721,4cyclictest9-21ksoftirqd/011:08:270
24597994720,5cyclictest9-21ksoftirqd/014:53:500
24597994720,4cyclictest9-21ksoftirqd/012:41:190
2459799467,7cyclictest9-21ksoftirqd/014:13:170
2459799466,7cyclictest9-21ksoftirqd/014:48:460
2459799463,7cyclictest9-21ksoftirqd/009:48:270
2459799462,7cyclictest9-21ksoftirqd/013:28:380
24597994622,8cyclictest9-21ksoftirqd/014:58:360
24597994621,4cyclictest9-21ksoftirqd/012:15:330
24597994620,4cyclictest9-21ksoftirqd/012:24:440
24597994619,5cyclictest9-21ksoftirqd/014:40:560
24597994613,3cyclictest9-21ksoftirqd/012:22:420
2461699450,31cyclictest19272-21/usr/sbin/munin13:23:313
24597994520,10cyclictest9-21ksoftirqd/013:08:140
24597994520,10cyclictest9-21ksoftirqd/011:49:230
24597994519,8cyclictest9-21ksoftirqd/014:38:150
2461699443,32cyclictest20559-21apt-get13:58:273
24607994411,29cyclictest241982sleep214:01:522
2459799446,7cyclictest9902-21diskmemload12:08:130
2459799445,8cyclictest9-21ksoftirqd/012:58:150
2459799445,7cyclictest9-21ksoftirqd/012:58:310
2459799444,6cyclictest6903-21awk12:38:140
24597994419,4cyclictest9-21ksoftirqd/013:38:550
24597994417,7cyclictest9-21ksoftirqd/009:53:320
24597994417,7cyclictest9-21ksoftirqd/009:53:320
24616994315,22cyclictest28708-21apt-get13:33:283
24616994315,22cyclictest28708-21apt-get13:33:283
2460799439,11cyclictest20631-21ptp4l10:38:342
24607994311,17cyclictest17169-21snmp_o5powerctl13:53:422
24607994311,12cyclictest18406-21awk10:33:392
2459799437,8cyclictest9-21ksoftirqd/011:23:280
2459799436,8cyclictest9-21ksoftirqd/010:38:280
2459799436,8cyclictest9-21ksoftirqd/010:33:270
2459799436,8cyclictest9-21ksoftirqd/009:58:300
2459799436,7cyclictest9-21ksoftirqd/011:53:280
2459799436,6cyclictest9-21ksoftirqd/009:48:100
2459799435,8cyclictest9-21ksoftirqd/012:48:420
2459799435,7cyclictest9-21ksoftirqd/013:13:430
2459799435,6cyclictest9-21ksoftirqd/013:53:450
2459799434,4cyclictest28610-21awk10:58:120
2459799433,7cyclictest9-21ksoftirqd/011:13:420
24597994318,4cyclictest9-21ksoftirqd/013:36:370
24597994318,4cyclictest9-21ksoftirqd/013:36:370
2461699420,25cyclictest6262-21sshd13:08:503
24607994213,13cyclictest5525-21vmstat11:13:432
24607994211,17cyclictest9941-21hddtemp_smartct14:53:342
2459799427,8cyclictest6519-21ssh13:43:340
2459799426,8cyclictest9-21ksoftirqd/013:58:320
2459799426,5cyclictest9-21ksoftirqd/014:19:070
2459799425,5cyclictest9-21ksoftirqd/014:25:150
2459799423,7cyclictest9-21ksoftirqd/014:03:470
24597994231,3cyclictest9-21ksoftirqd/013:48:330
24597994222,3cyclictest9-21ksoftirqd/011:03:250
24597994218,4cyclictest9-21ksoftirqd/012:44:300
2459799420,9cyclictest9-21ksoftirqd/010:13:110
2459799420,7cyclictest9-21ksoftirqd/012:29:270
2461699410,24cyclictest10767-21/usr/sbin/munin13:48:423
24607994112,11cyclictest19322-21users14:28:462
2459799416,7cyclictest9-21ksoftirqd/010:18:250
2459799416,6cyclictest9-21ksoftirqd/014:28:450
2459799416,3cyclictest9-21ksoftirqd/011:43:130
2459799415,8cyclictest9-21ksoftirqd/011:33:290
2459799414,7cyclictest9-21ksoftirqd/010:48:410
2461699403,29cyclictest0-21swapper/313:13:263
2461699402,29cyclictest6190-21apt-get11:18:243
2461699401,23cyclictest1811-21/usr/sbin/munin11:58:353
24607994012,12cyclictest3210-21ssh14:13:302
24607994011,19cyclictest6836-21ssh12:03:392
24607994011,18cyclictest17732-21diskmemload12:43:382
24607994010,14cyclictest15526-21snmp_o5powerctl13:18:382
2459799406,4cyclictest9-21ksoftirqd/010:28:410
2459799405,8cyclictest9-21ksoftirqd/010:58:310
2459799400,7cyclictest9-21ksoftirqd/011:28:330
2460799399,13cyclictest11121-21sh12:42:082
2460799398,12cyclictest29397-21idleruntime10:58:292
24607993911,8cyclictest26505-21apt-get12:58:162
24607993911,17cyclictest23452-21snmp_o5powerctl12:53:402
24607993911,17cyclictest16634-21snmp_o5powerctl12:13:372
24607993911,15cyclictest15321-21/usr/sbin/munin14:58:372
24607993911,12cyclictest14982-21awk11:33:422
24607993910,17cyclictest27422-21snmp_o5powerctl09:48:112
2459799399,3cyclictest9-21ksoftirqd/011:18:250
2459799391,7cyclictest9-21ksoftirqd/010:48:110
106891390,1ptp4l401ktimersoftd/315:00:373
106891390,1ptp4l401ktimersoftd/314:52:463
106891390,1ptp4l401ktimersoftd/314:46:173
106891390,1ptp4l401ktimersoftd/314:41:473
106891390,1ptp4l401ktimersoftd/314:33:563
106891390,1ptp4l401ktimersoftd/312:31:583
106891390,1ptp4l401ktimersoftd/312:09:093
2461699385,18cyclictest24031-21ssh12:22:183
2461699382,33cyclictest30677-21grep14:08:333
2461699382,30cyclictest5993-21apt-get13:43:303
2461699382,28cyclictest17046-21apt-get10:33:243
2461699381,21cyclictest0-21swapper/312:03:333
2460799389,11cyclictest17732-21diskmemload12:25:122
24607993811,8cyclictest7483-21mailstats11:18:352
24607993810,16cyclictest3874-21snmp_o5powerctl12:33:412
2459799384,8cyclictest9-21ksoftirqd/010:18:110
106891380,1ptp4l401ktimersoftd/314:18:053
106891380,1ptp4l401ktimersoftd/314:05:023
106891380,1ptp4l401ktimersoftd/312:55:163
2460799378,11cyclictest27988-21timerandwakeup10:53:422
24607993711,8cyclictest30183-21ssh12:28:302
106891370,1ptp4l401ktimersoftd/315:08:563
106891370,1ptp4l401ktimersoftd/314:26:503
106891370,1ptp4l401ktimersoftd/314:20:333
106891370,1ptp4l401ktimersoftd/313:40:123
106891370,1ptp4l401ktimersoftd/312:38:073
106891370,1ptp4l401ktimersoftd/312:25:383
106891370,1ptp4l401ktimersoftd/312:14:093
106891370,1ptp4l401ktimersoftd/311:53:203
106891370,1ptp4l401ktimersoftd/311:51:563
106891370,1ptp4l401ktimersoftd/311:45:103
106891370,1ptp4l401ktimersoftd/311:45:103
2461699362,31cyclictest29518-21unixbench_multi09:48:393
24616993613,20cyclictest24805-21irqrtprio10:48:303
2460799366,19cyclictest0-21swapper/213:27:332
24607993612,8cyclictest0-21swapper/212:48:192
24607993611,9cyclictest25656-21ssh13:28:462
24607993610,11cyclictest219052sleep215:05:242
106891360,1ptp4l401ktimersoftd/314:57:533
106891360,1ptp4l401ktimersoftd/313:19:263
2461699353,25cyclictest19414-21apt-get10:38:243
2461699352,25cyclictest26545-21apt-get10:53:263
24616993515,17cyclictest25428-21if_ens309:43:283
2460799358,12cyclictest0-21swapper/210:08:302
24607993516,13cyclictest0-21swapper/213:33:282
24607993516,13cyclictest0-21swapper/213:33:282
24607993511,9cyclictest11771-21snmp_o5powerctl12:08:422
24607993511,8cyclictest12286-21snmp_o5powerctl13:48:402
2461699345,26cyclictest23844-21latency_hist10:48:123
2461699342,24cyclictest5176-21apt-get10:08:243
24616993415,16cyclictest9584-21sh12:39:303
2461699341,30cyclictest10370-21sed10:18:253
2460799348,10cyclictest17732-21diskmemload13:38:172
24607993428,3cyclictest33-21ksoftirqd/210:33:112
24607993414,17cyclictest12266-21snmp_o5powerctl11:28:402
2461699332,24cyclictest8556-21apt-get11:23:253
2461699331,28cyclictest23878-21ssh13:28:293
24607993322,6cyclictest8556-21apt-get11:23:242
24607993316,12cyclictest0-21swapper/214:18:312
2461699322,23cyclictest28911-21apt-get10:58:253
2461699321,28cyclictest17747-21awk11:43:123
24616993212,17cyclictest1804-21if_ens311:08:323
24616993212,17cyclictest16262-21awk10:28:423
2461699320,2cyclictest0-21swapper/311:13:313
24607993213,7cyclictest16072-21sh14:26:322
2461699311,26cyclictest32363-21gpgv09:58:103
2461699311,26cyclictest32363-21gpgv09:58:103
2461699310,2cyclictest0-21swapper/311:28:353
2461699301,25cyclictest3463-21cut10:03:283
2461699301,25cyclictest3463-21cut10:03:283
2461699301,25cyclictest31584-21fschecks_count11:03:293
2461699301,25cyclictest13454-21grep11:33:263
2461699301,24cyclictest12724-21gltestperf10:23:283
145291302,3phc2sys41-21ksoftirqd/309:58:213
24607992917,8cyclictest32411-21dpkg09:58:102
24607992917,8cyclictest32411-21dpkg09:58:102
24607992914,12cyclictest13639-21snmp_o5powerctl10:23:372
24607992913,13cyclictest32684-21hddtemp_smartct14:43:382
24607992912,4cyclictest26969-21munin-node09:48:102
24607992910,7cyclictest0-21swapper/211:03:272
2460399290,2cyclictest121rcu_preempt13:19:141
24607992817,8cyclictest673-21/usr/sbin/munin09:58:242
24607992816,8cyclictest23223-21cut11:48:272
24607992816,8cyclictest10227-21/usr/sbin/munin10:18:242
24607992814,11cyclictest16979-21run-parts11:38:352
24607992813,12cyclictest31481-21ssh14:42:542
73382270,4sleep12460399cyclictest14:18:091
24607992716,8cyclictest8957-21switchtime10:13:392
2460399270,2cyclictest121rcu_preempt13:47:461
24603992620,3cyclictest25-21ksoftirqd/114:43:411
24603992619,4cyclictest25-21ksoftirqd/111:38:541
24603992520,3cyclictest25-21ksoftirqd/114:33:171
24603992520,3cyclictest25-21ksoftirqd/113:08:351
24603992520,3cyclictest25-21ksoftirqd/111:43:331
24603992520,3cyclictest25-21ksoftirqd/111:43:331
24603992519,4cyclictest19674-21grep15:03:361
24603992519,3cyclictest25-21ksoftirqd/111:04:061
24603992519,3cyclictest25-21ksoftirqd/110:18:331
24603992518,4cyclictest25-21ksoftirqd/111:26:341
24603992518,4cyclictest25-21ksoftirqd/109:56:051
24603992518,4cyclictest25-21ksoftirqd/109:56:051
2460399244,17cyclictest27370-21tr14:38:311
24603992419,3cyclictest25-21ksoftirqd/112:49:351
24603992419,3cyclictest25-21ksoftirqd/112:43:371
24603992418,3cyclictest25-21ksoftirqd/110:08:241
24603992417,4cyclictest25-21ksoftirqd/114:34:431
24603992417,4cyclictest25-21ksoftirqd/111:18:551
24603992417,4cyclictest25-21ksoftirqd/110:46:031
2460399234,11cyclictest29920-21ssh12:28:281
2460399232,18cyclictest13059-21tune2fs14:23:351
24603992318,3cyclictest25-21ksoftirqd/111:59:091
24603992318,3cyclictest25-21ksoftirqd/111:48:301
24603992317,3cyclictest9531-21grep14:18:481
24603992317,3cyclictest25-21ksoftirqd/113:57:181
24603992317,3cyclictest25-21ksoftirqd/113:30:521
24603992317,3cyclictest25-21ksoftirqd/111:11:481
24603992317,3cyclictest25-21ksoftirqd/110:49:031
2460399222,17cyclictest9033-21sh14:53:161
24603992217,3cyclictest25-21ksoftirqd/113:39:271
24603992217,3cyclictest25-21ksoftirqd/110:05:041
24603992217,3cyclictest25-21ksoftirqd/110:05:041
24603992216,3cyclictest2906-21head12:33:311
24603992216,3cyclictest28537-21sed09:48:281
24603992216,3cyclictest25-21ksoftirqd/113:18:141
24603992216,3cyclictest25-21ksoftirqd/110:33:581
24603992216,3cyclictest25-21ksoftirqd/110:17:321
24603992215,4cyclictest25-21ksoftirqd/111:02:051
2460399212,6cyclictest121rcu_preempt13:23:371
24603992116,3cyclictest25-21ksoftirqd/114:06:491
24603992116,3cyclictest25-21ksoftirqd/112:18:261
24603992116,3cyclictest25-21ksoftirqd/112:13:261
24603992116,3cyclictest25-21ksoftirqd/110:56:191
24603992115,3cyclictest7777-21gltestperf12:38:301
24603992115,3cyclictest25-21ksoftirqd/109:59:341
2460399211,4cyclictest31747-21ssh11:56:571
24603992114,4cyclictest5871-21gltestperf12:03:301
24603992114,4cyclictest26314-21sh12:57:561
24603992114,4cyclictest25-21ksoftirqd/114:57:481
24603992114,4cyclictest16022-21sed14:58:461
24603992114,4cyclictest14586-21/usr/sbin/munin10:28:351
2460399211,3cyclictest29345-21ssh12:27:591
24603992113,5cyclictest27834-21irqrtprio12:58:331
18732210,6sleep125-21ksoftirqd/113:04:391
1357622114,3sleep125-21ksoftirqd/111:33:291
24603992013,4cyclictest30007-21ptp4l13:33:381
24603992013,4cyclictest30007-21ptp4l13:33:381
24603992013,4cyclictest25-21ksoftirqd/111:15:341
24603992013,4cyclictest24561-21if_enp1s015:08:361
24603992010,7cyclictest0-21swapper/109:43:291
2460399200,5cyclictest12298-21ssh12:08:591
24603991913,3cyclictest13398-21chrt13:49:591
24603991913,3cyclictest12466-21ls10:23:251
24603991912,4cyclictest11635-21cut11:28:331
24603991812,3cyclictest20131-21cut10:38:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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