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2025-12-01 - 00:03
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack1slot8.osadl.org (updated Sun Nov 30, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
364799893834,52cyclictest0-21swapper/007:25:210
364899878797,48cyclictest0-21swapper/107:10:031
364799813735,51cyclictest0-21swapper/007:10:030
364899710678,19cyclictest9866-21strings07:25:211
31702663639,17sleep00-21swapper/007:05:320
36479913013,31cyclictest0-21swapper/011:40:590
2168991280,4rtkit-daemon2167-21rtkit-daemon10:55:261
216899950,4rtkit-daemon2167-21rtkit-daemon11:04:020
3648999215,38cyclictest0-21swapper/108:11:591
3648998814,36cyclictest0-21swapper/109:34:581
216899880,4rtkit-daemon2167-21rtkit-daemon07:24:081
3648998615,36cyclictest0-21swapper/109:50:581
3648998614,35cyclictest0-21swapper/108:18:591
216899860,16rtkit-daemon0-21swapper/110:48:411
3648998519,29cyclictest0-21swapper/111:46:001
216899850,4rtkit-daemon2167-21rtkit-daemon07:54:541
3648998415,34cyclictest0-21swapper/107:46:001
3648998415,33cyclictest0-21swapper/112:11:001
3648998412,35cyclictest0-21swapper/108:20:591
3648998411,39cyclictest0-21swapper/108:54:591
216899840,4rtkit-daemon2167-21rtkit-daemon07:35:541
216899840,17rtkit-daemon0-21swapper/107:58:091
3648998319,29cyclictest0-21swapper/111:43:591
3648998317,32cyclictest0-21swapper/109:01:581
3648998315,32cyclictest0-21swapper/111:36:591
3648998314,34cyclictest0-21swapper/109:36:591
3647998322,47cyclictest0-21swapper/009:13:000
216899830,16rtkit-daemon0-21swapper/111:27:071
216899830,14rtkit-daemon0-21swapper/110:51:371
3648998215,33cyclictest0-21swapper/110:36:001
3648998214,30cyclictest0-21swapper/109:25:591
216899820,4rtkit-daemon2167-21rtkit-daemon09:45:260
216899820,18rtkit-daemon0-21swapper/108:05:441
216899820,17rtkit-daemon0-21swapper/111:58:381
3648998117,30cyclictest0-21swapper/108:41:591
3648998112,37cyclictest0-21swapper/112:10:001
216899810,4rtkit-daemon2167-21rtkit-daemon08:35:130
216899810,17rtkit-daemon0-21swapper/107:31:441
216899810,14rtkit-daemon0-21swapper/110:23:551
216899810,14rtkit-daemon0-21swapper/108:04:441
216899810,13rtkit-daemon0-21swapper/111:53:131
216899810,13rtkit-daemon0-21swapper/110:41:021
216899810,13rtkit-daemon0-21swapper/110:41:011
3648998019,26cyclictest0-21swapper/109:11:581
3648998018,31cyclictest0-21swapper/109:06:591
3648998017,32cyclictest0-21swapper/111:17:581
216899800,4rtkit-daemon2167-21rtkit-daemon12:05:270
216899800,15rtkit-daemon0-21swapper/110:27:561
216899800,14rtkit-daemon0-21swapper/110:12:551
216899790,13rtkit-daemon0-21swapper/107:15:371
364899788,39cyclictest0-21swapper/110:09:001
3648997818,18cyclictest3112-21runrttasks12:29:591
3648997813,32cyclictest0-21swapper/111:08:581
216899780,17rtkit-daemon0-21swapper/108:55:501
216899780,15rtkit-daemon0-21swapper/109:40:391
216899780,15rtkit-daemon0-21swapper/109:17:151
216899780,15rtkit-daemon0-21swapper/108:32:241
216899780,13rtkit-daemon0-21swapper/108:36:291
216899780,12rtkit-daemon0-21swapper/109:56:311
3648997714,31cyclictest0-21swapper/111:10:591
364799772,61cyclictest14661-21diskmemload12:21:440
216899770,4rtkit-daemon2167-21rtkit-daemon12:12:080
216899770,3rtkit-daemon2167-21rtkit-daemon10:15:110
216899770,17rtkit-daemon0-21swapper/108:26:591
216899770,14rtkit-daemon0-21swapper/109:48:361
364799762,66cyclictest2210-21runrttasks10:36:160
216899760,15rtkit-daemon0-21swapper/112:20:481
216899760,15rtkit-daemon0-21swapper/110:16:061
216899760,15rtkit-daemon0-21swapper/108:49:201
216899760,14rtkit-daemon0-21swapper/111:02:321
216899760,12rtkit-daemon0-21swapper/111:33:081
216899750,15rtkit-daemon0-21swapper/112:19:481
216899750,15rtkit-daemon0-21swapper/110:31:201
216899750,15rtkit-daemon0-21swapper/109:23:191
216899750,15rtkit-daemon0-21swapper/107:40:441
216899750,13rtkit-daemon0-21swapper/112:33:591
364799742,66cyclictest21249-21grep09:20:150
364799732,53cyclictest332-21latency_hist10:35:020
3647997141,23cyclictest0-21swapper/010:44:010
3647997141,23cyclictest0-21swapper/010:44:010
364799713,50cyclictest32500-21latency_hist08:30:010
216899710,3rtkit-daemon2167-21rtkit-daemon07:08:371
364799703,38cyclictest20160-21ssh11:06:510
364799702,53cyclictest21666-21idleruntime-cro08:00:000
364799702,52cyclictest430-21latency_hist09:40:010
3648996912,31cyclictest0-21swapper/112:37:591
3647996926,35cyclictest0-21swapper/009:16:410
3647996922,39cyclictest0-21swapper/011:10:210
364799692,60cyclictest26923-21munin-node12:15:270
3647996841,20cyclictest0-21swapper/011:18:240
364799684,49cyclictest0-21swapper/011:52:080
364799682,59cyclictest15235-21sadc10:59:590
364799682,59cyclictest14134-21ssh10:01:360
364799682,37cyclictest32711-21munin-node12:25:230
3647996816,46cyclictest78950irq/46-eth0-tx-09:32:130
3647996814,48cyclictest78950irq/46-eth0-tx-10:27:560
364799677,28cyclictest0-21swapper/010:05:230
364799672,59cyclictest29973-21latency_hist11:25:010
364799672,58cyclictest5965-21grep07:15:170
364799672,58cyclictest13004-21munin-node09:05:250
364799672,48cyclictest26941-21latency_hist10:25:020
3647996714,40cyclictest0-21swapper/007:35:000
216899670,8rtkit-daemon0-21swapper/110:04:101
364799664,56cyclictest0-21swapper/012:03:550
364799663,57cyclictest5826-21ssh12:34:240
364799662,57cyclictest19446-21cat10:10:270
364799662,56cyclictest30055-21latency_hist11:25:020
364799662,49cyclictest1529-21ntp_kernel_pll_09:40:210
364799662,48cyclictest6478-21latency_hist09:50:020
3647996613,36cyclictest0-21swapper/007:36:590
364799653,56cyclictest6181-21ssh11:39:070
364799653,30cyclictest6887-21ssh12:35:200
3647996426,31cyclictest0-21swapper/008:55:020
364799642,46cyclictest1982-21idleruntime-cro08:35:010
364799642,34cyclictest18053-21munin-run11:59:590
3647996416,30cyclictest78950irq/46-eth0-tx-10:50:160
3647996342,15cyclictest0-21swapper/007:40:170
364799633,54cyclictest30139-21unixbench_multi08:20:270
364799633,53cyclictest859-21ssh11:30:140
364799633,38cyclictest25338-21ssh09:25:560
3647996320,37cyclictest78950irq/46-eth0-tx-08:00:260
364799632,55cyclictest7892-21munin-node10:45:320
364799632,54cyclictest11166-21ssh11:46:310
364799615,37cyclictest0-21swapper/008:45:590
3647996120,35cyclictest78950irq/46-eth0-tx-08:12:400
364799612,53cyclictest18733-21iostat07:50:190
364799612,37cyclictest10943-21ssh09:55:480
364799612,33cyclictest12065-21munin-node09:00:240
216899610,3rtkit-daemon0-21swapper/112:01:281
216899610,11rtkit-daemon0-21swapper/111:20:271
364799605,49cyclictest0-21swapper/008:40:230
364799602,52cyclictest9802-21sed08:55:160
364799592,51cyclictest8806-21taskset07:22:380
364799592,50cyclictest27616-21gltestperf08:15:180
364799586,45cyclictest0-21swapper/008:05:140
364799556,32cyclictest0-21swapper/007:45:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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