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2026-04-05 - 20:48
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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 the highest latencies:
System rackcslot2.osadl.org (updated Sun Apr 05, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3212528058,17sleep00-21swapper/007:06:520
3213426956,9sleep10-21swapper/107:06:571
265842640,0sleep126585-21sh12:24:501
306882550,0sleep10-21swapper/110:15:521
32534994610,21cyclictest0-21swapper/012:13:130
32534994310,31cyclictest0-21swapper/011:54:180
32534994310,29cyclictest0-21swapper/011:34:360
32534994210,30cyclictest14015-21diskmemload10:31:170
32534994110,30cyclictest0-21swapper/009:39:270
32534994110,30cyclictest0-21swapper/007:34:330
32534994110,26cyclictest0-21swapper/009:37:020
32534994011,28cyclictest0-21swapper/011:04:260
32534994010,30cyclictest0-21swapper/007:48:090
32534994010,29cyclictest0-21swapper/012:00:480
32534994010,29cyclictest0-21swapper/011:00:070
32534994010,29cyclictest0-21swapper/010:19:040
32534994010,29cyclictest0-21swapper/009:07:330
32534994010,29cyclictest0-21swapper/008:39:300
32534994010,28cyclictest0-21swapper/011:39:310
32534993910,29cyclictest0-21swapper/012:32:370
32534993910,28cyclictest0-21swapper/008:49:360
32534993910,27cyclictest0-21swapper/012:06:340
32534993833,4cyclictest9978-21apache210:13:510
32534993810,28cyclictest0-21swapper/007:29:340
32534993810,27cyclictest0-21swapper/012:38:570
32534993810,27cyclictest0-21swapper/012:24:350
32534993810,27cyclictest0-21swapper/011:49:430
32534993810,27cyclictest0-21swapper/010:06:320
32534993810,27cyclictest0-21swapper/009:33:360
32534993810,27cyclictest0-21swapper/009:19:320
32534993810,26cyclictest0-21swapper/010:37:000
32534993810,25cyclictest0-21swapper/010:19:300
32534993810,14cyclictest0-21swapper/009:48:030
32534993710,27cyclictest0-21swapper/010:24:290
32534993710,26cyclictest14015-21diskmemload10:46:590
32534993710,26cyclictest0-21swapper/011:24:230
32534993710,26cyclictest0-21swapper/007:26:120
32534993710,24cyclictest0-21swapper/008:14:280
32534993610,25cyclictest0-21swapper/012:15:010
32534993610,25cyclictest0-21swapper/011:21:470
32534993610,25cyclictest0-21swapper/010:54:310
32534993610,25cyclictest0-21swapper/009:56:400
32534993610,21cyclictest0-21swapper/008:44:260
32534993510,24cyclictest0-21swapper/008:04:330
32534993510,23cyclictest0-21swapper/010:40:370
32534993510,21cyclictest0-21swapper/011:45:120
32534993410,24cyclictest0-21swapper/009:14:360
32534993410,23cyclictest0-21swapper/012:19:270
32534993410,23cyclictest0-21swapper/010:02:020
32534993410,23cyclictest0-21swapper/009:27:320
32534993410,23cyclictest0-21swapper/009:03:390
32534993310,23cyclictest0-21swapper/011:14:340
32534993310,22cyclictest0-21swapper/009:09:330
32534993310,22cyclictest0-21swapper/008:27:150
3253499324,26cyclictest5789-21munin-run07:24:140
32534993210,22cyclictest0-21swapper/009:49:190
32534993210,21cyclictest0-21swapper/007:16:000
32534993210,19cyclictest0-21swapper/008:22:470
32534993210,11cyclictest6541-21ssh11:13:270
32535993110,1cyclictest0-21swapper/109:10:021
32534993010,19cyclictest0-21swapper/007:54:270
32534993010,19cyclictest0-21swapper/007:13:270
32534993010,18cyclictest0-21swapper/008:29:270
3253499300,8cyclictest17984-21ssh11:29:240
3253599291,28cyclictest0-21swapper/109:43:491
32535992826,1cyclictest23004-21vmstat11:34:371
32534992810,18cyclictest0-21swapper/010:53:220
32534992810,15cyclictest0-21swapper/007:39:310
32535992727,0cyclictest0-21swapper/111:47:121
3253599271,24cyclictest0-21swapper/109:46:101
32534992710,17cyclictest0-21swapper/008:09:330
32535992621,2cyclictest0-21swapper/112:14:231
32534992610,14cyclictest0-21swapper/008:55:000
3253599258,16cyclictest0-21swapper/110:41:401
3253599257,18cyclictest0-21swapper/111:40:321
3253599255,11cyclictest0-21swapper/107:49:251
32535992523,2cyclictest10000-21apache212:00:101
32535992523,1cyclictest31044-21ssh11:01:481
32535992422,1cyclictest14552-21diskstats11:24:241
32535992411,8cyclictest0-21swapper/110:24:281
32535992411,2cyclictest32532-21cyclictest08:49:341
32535992410,9cyclictest0-21swapper/110:51:291
32535992410,1cyclictest0-21swapper/107:34:311
3253599240,23cyclictest25435-21ssh09:24:241
32534992410,9cyclictest91rcu_preempt08:37:170
3253599233,8cyclictest22178-21/usr/sbin/munin10:04:301
32535992310,7cyclictest0-21swapper/109:49:191
32535992310,4cyclictest0-21swapper/111:49:321
3253599230,13cyclictest0-21swapper/109:19:311
32534992310,12cyclictest0-21swapper/007:53:250
32535992218,2cyclictest10000-21apache209:55:321
3253599221,6cyclictest2757-21rm11:08:101
32535992211,6cyclictest19798-21apache207:30:461
32535992210,5cyclictest0-21swapper/109:38:021
241222210,1sleep10-21swapper/110:22:081
3253599217,10cyclictest0-21swapper/107:39:321
32535992116,3cyclictest9978-21apache211:29:511
32535992115,3cyclictest636-21nscd11:18:291
32535992110,6cyclictest0-21swapper/108:26:541
32535992110,3cyclictest0-21swapper/110:09:151
32535992110,2cyclictest0-21swapper/112:09:251
32534992110,9cyclictest91rcu_preempt07:59:320
3253599205,6cyclictest4372-21cron08:44:141
3253599201,9cyclictest0-21swapper/112:29:311
32535992018,0cyclictest231ktimersoftd/108:54:271
32535992014,5cyclictest9978-21apache210:45:011
3253599201,10cyclictest0-21swapper/110:34:271
32535992010,5cyclictest0-21swapper/112:04:271
3253599200,19cyclictest0-21swapper/109:31:491
723321910,0sleep10-21swapper/107:24:371
3253599194,9cyclictest0-21swapper/110:54:291
3253599193,12cyclictest0-21swapper/107:59:311
32535991919,0cyclictest0-21swapper/108:59:421
32535991911,5cyclictest0-21swapper/111:10:011
32535991910,5cyclictest100150irq/106-eth1-rx08:19:571
32535991910,5cyclictest0-21swapper/107:54:321
32535991910,3cyclictest0-21swapper/109:16:031
3253599190,19cyclictest0-21swapper/107:13:351
126721910,0sleep10-21swapper/112:35:071
3253599185,9cyclictest0-21swapper/107:44:241
3253599183,7cyclictest0-21swapper/108:09:271
32535991814,2cyclictest32532-21cyclictest07:15:111
32535991810,6cyclictest0-21swapper/110:31:581
32535991810,3cyclictest0-21swapper/108:34:281
2084921810,0sleep10-21swapper/110:03:071
32535991712,2cyclictest0-21swapper/109:04:311
32535991711,2cyclictest9978-21apache211:22:161
32535991710,4cyclictest0-21swapper/107:19:271
32535991710,2cyclictest0-21swapper/112:19:251
32535991710,1cyclictest0-21swapper/108:04:311
32535991710,0cyclictest0-21swapper/111:54:231
3253599162,9cyclictest0-21swapper/108:44:261
3253599153,7cyclictest0-21swapper/108:29:261
32535991514,1cyclictest0-21swapper/108:15:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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