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2026-05-24 - 16:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rackcslot2.osadl.org (updated Sun May 24, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2661727057,8sleep10-21swapper/107:04:551
309842690,0sleep00-21swapper/009:36:530
108412630,1sleep10-21swapper/110:34:431
2675726249,9sleep00-21swapper/007:06:220
112572520,2sleep02717699cyclictest11:19:070
27176994310,32cyclictest0-21swapper/011:38:340
27176994310,32cyclictest0-21swapper/009:43:520
27176994210,32cyclictest0-21swapper/009:56:110
27176994210,32cyclictest0-21swapper/009:52:030
27176994210,31cyclictest0-21swapper/012:14:040
27176994210,31cyclictest0-21swapper/011:56:530
27176994210,31cyclictest0-21swapper/011:30:330
27176994210,31cyclictest0-21swapper/011:25:000
27176994210,31cyclictest0-21swapper/010:53:570
27176994110,30cyclictest0-21swapper/012:19:050
27176994110,30cyclictest0-21swapper/012:04:470
27176994110,30cyclictest0-21swapper/010:09:100
27176994110,30cyclictest0-21swapper/007:54:080
27176994110,30cyclictest0-21swapper/007:31:560
27176994110,28cyclictest0-21swapper/009:40:490
27176994110,24cyclictest0-21swapper/010:06:180
27176994010,30cyclictest0-21swapper/011:08:510
27176994010,29cyclictest0-21swapper/012:29:070
27176994010,29cyclictest0-21swapper/009:15:530
27176994010,29cyclictest0-21swapper/008:53:510
27176993910,29cyclictest0-21swapper/010:40:410
27176993910,28cyclictest0-21swapper/011:58:580
27176993910,28cyclictest0-21swapper/011:52:020
27176993910,28cyclictest0-21swapper/010:34:190
27176993910,28cyclictest0-21swapper/008:09:170
27176993810,27cyclictest0-21swapper/011:48:090
27176993810,27cyclictest0-21swapper/010:59:050
27176993810,27cyclictest0-21swapper/010:49:500
27176993810,27cyclictest0-21swapper/009:19:330
27176993810,27cyclictest0-21swapper/009:09:080
27176993810,27cyclictest0-21swapper/007:28:000
27176993710,27cyclictest0-21swapper/010:48:450
27176993710,27cyclictest0-21swapper/007:49:070
27176993710,26cyclictest0-21swapper/011:39:120
27176993710,24cyclictest0-21swapper/012:35:120
27176993610,25cyclictest0-21swapper/012:28:020
27176993610,25cyclictest0-21swapper/009:31:220
27176993610,25cyclictest0-21swapper/009:27:400
27176993610,25cyclictest0-21swapper/008:29:030
27176993510,25cyclictest0-21swapper/008:56:210
27176993510,24cyclictest0-21swapper/011:18:130
27176993510,24cyclictest0-21swapper/010:30:040
27176993510,24cyclictest0-21swapper/010:24:110
27176993510,24cyclictest0-21swapper/010:21:580
27176993410,24cyclictest0-21swapper/011:09:120
27176993310,23cyclictest0-21swapper/010:18:130
27176993310,23cyclictest0-21swapper/008:23:250
27176993310,23cyclictest0-21swapper/007:39:110
27176993310,22cyclictest0-21swapper/010:02:300
27176993310,19cyclictest0-21swapper/012:10:220
27177993212,17cyclictest4742-21kworker/1:108:23:371
27177993210,20cyclictest4742-21kworker/1:107:41:251
27176993210,4cyclictest0-21swapper/007:18:200
27176993110,21cyclictest0-21swapper/008:40:460
27176993110,20cyclictest0-21swapper/008:59:060
2717699310,6cyclictest0-21swapper/008:24:100
27176993010,19cyclictest0-21swapper/007:20:410
27177992910,15cyclictest0-21swapper/110:04:031
27176992910,18cyclictest0-21swapper/008:44:070
27177992823,2cyclictest4676-21apache212:14:051
2717799280,26cyclictest4742-21kworker/1:110:01:571
27176992810,17cyclictest0-21swapper/008:15:180
27177992716,7cyclictest0-21swapper/111:20:211
2717799270,1cyclictest29304-21kworker/u4:012:12:071
2717799258,17cyclictest29318-21kworker/1:212:37:031
2717799254,17cyclictest0-21swapper/107:29:121
27177992514,3cyclictest27174-21cyclictest11:53:491
27176992510,14cyclictest5939-21ls07:34:120
2717699250,24cyclictest16139-21munin-run08:03:520
27177992424,0cyclictest0-21swapper/107:34:541
27177992418,1cyclictest1460-21fschecks_time08:49:051
27177992416,5cyclictest4690-21apache211:35:371
2717799240,23cyclictest5277-21kworker/1:011:28:391
27177992322,1cyclictest0-21swapper/111:14:321
27177992320,2cyclictest4690-21apache210:44:591
27177992319,4cyclictest802-21apache207:47:181
27177992318,3cyclictest802-21apache211:06:141
27177992317,4cyclictest231ktimersoftd/109:25:551
27177992310,6cyclictest0-21swapper/111:03:511
2717699232,6cyclictest0-21swapper/009:04:080
27177992215,4cyclictest17666-21sshd08:05:081
27177992215,0cyclictest0-21swapper/110:53:301
27177992213,4cyclictest100250irq/107-eth1-rx10:19:581
27177992213,4cyclictest0-21swapper/110:28:081
27177992211,1cyclictest0-21swapper/111:39:071
27177992210,8cyclictest0-21swapper/110:32:441
27177992210,7cyclictest0-21swapper/109:55:181
27177992210,10cyclictest0-21swapper/110:12:551
2717799220,12cyclictest0-21swapper/111:29:091
2717699223,6cyclictest0-21swapper/007:44:110
27176992210,11cyclictest0-21swapper/008:34:050
27177992116,2cyclictest4690-21apache207:53:241
27177992110,6cyclictest0-21swapper/112:29:021
27177992110,6cyclictest0-21swapper/109:44:111
27177992110,4cyclictest0-21swapper/112:23:281
27177992110,1cyclictest0-21swapper/112:02:541
2717799210,7cyclictest0-21swapper/108:29:051
2717799205,8cyclictest4927-21sendmail-msp08:58:511
2717799205,5cyclictest0-21swapper/109:14:101
2717799203,6cyclictest0-21swapper/109:29:041
2717799203,10cyclictest0-21swapper/109:39:111
27177992018,2cyclictest0-21swapper/109:13:181
27177992010,6cyclictest0-21swapper/112:06:431
27177992010,5cyclictest0-21swapper/109:04:031
27176992010,9cyclictest16909-21ls08:04:070
2717799193,9cyclictest0-21swapper/112:24:051
27177991916,2cyclictest26350-21ssh10:55:221
27177991913,3cyclictest0-21swapper/111:46:301
27177991912,5cyclictest0-21swapper/109:53:041
27177991911,7cyclictest4742-21kworker/1:110:41:211
27177991910,6cyclictest0-21swapper/108:59:051
27177991910,4cyclictest0-21swapper/109:37:431
1993821910,0sleep10-21swapper/108:13:521
2717799185,8cyclictest0-21swapper/107:19:071
27177991816,1cyclictest15551-21unixbench_multi07:59:121
27177991813,2cyclictest27136-21memory10:14:071
27177991811,6cyclictest5277-21kworker/1:011:55:411
27177991810,6cyclictest0-21swapper/107:09:041
27177991810,4cyclictest0-21swapper/111:09:031
27176991810,5cyclictest0-21swapper/007:09:020
2717799174,10cyclictest29122-21apache_volume07:14:021
27177991712,4cyclictest4742-21kworker/1:108:13:411
27177991711,5cyclictest100150irq/106-eth1-rx08:39:111
27177991710,4cyclictest0-21swapper/109:22:471
27177991710,4cyclictest0-21swapper/108:44:071
27177991710,3cyclictest0-21swapper/107:24:031
27177991710,1cyclictest0-21swapper/108:24:111
27177991610,6cyclictest0-21swapper/107:54:121
2717799144,9cyclictest28136-21fschecks_time08:34:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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