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2026-06-23 - 20:45
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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 Tue Jun 23, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1007028054,21sleep10-21swapper/107:08:181
1008126749,8sleep00-21swapper/007:08:250
10282993811,26cyclictest0-21swapper/109:16:511
1028299340,1cyclictest9435-21sh12:25:191
10281993110,17cyclictest0-21swapper/011:46:570
1028299304,6cyclictest0-21swapper/110:38:021
10282993029,1cyclictest0-21swapper/109:26:331
10282993029,1cyclictest0-21swapper/109:26:331
10282993011,18cyclictest0-21swapper/110:16:051
10281993010,19cyclictest0-21swapper/010:43:010
1028299291,6cyclictest0-21swapper/111:13:561
1028299280,14cyclictest24141-21diskmemload11:22:031
10281992828,0cyclictest0-21swapper/012:06:130
1028299274,5cyclictest0-21swapper/112:37:331
10281992727,0cyclictest0-21swapper/011:19:280
1028299261,7cyclictest0-21swapper/111:40:141
1028299261,5cyclictest5558-21ssh11:36:561
1028299261,23cyclictest0-21swapper/110:51:491
1028199263,21cyclictest0-21swapper/010:13:490
1028299256,18cyclictest0-21swapper/107:28:501
10281992517,3cyclictest7-21ksoftirqd/010:58:480
1028299244,3cyclictest22915-21if_eth309:03:491
10282992424,0cyclictest0-21swapper/109:57:471
10282992420,3cyclictest705-21ntpd07:47:331
1028299241,4cyclictest0-21swapper/110:53:481
10282992412,5cyclictest11025-21apache_volume09:33:481
10282992410,7cyclictest0-21swapper/111:32:311
10282992410,7cyclictest0-21swapper/111:12:231
10282992410,2cyclictest0-21swapper/111:07:471
10281992422,1cyclictest3930-21ssh10:50:240
10281992421,3cyclictest20101-21apache212:08:410
1028299236,14cyclictest0-21swapper/108:08:541
10282992318,3cyclictest231ktimersoftd/112:13:471
1028299231,6cyclictest27570-21runrttasks12:06:181
10282992310,12cyclictest0-21swapper/108:38:541
10282992310,0cyclictest0-21swapper/109:49:111
10281992317,4cyclictest20101-21apache209:51:080
1028199230,3cyclictest0-21swapper/012:35:350
1028199230,3cyclictest0-21swapper/012:20:330
1028299226,10cyclictest0-21swapper/109:08:561
1028299225,13cyclictest0-21swapper/108:13:551
1028299225,12cyclictest0-21swapper/110:43:501
10282992216,5cyclictest24141-21diskmemload09:38:491
10282992213,4cyclictest0-21swapper/109:43:491
10282992212,3cyclictest14365-21ssh10:20:481
10282992210,4cyclictest0-21swapper/110:10:021
1028299220,2cyclictest16771-21sshd11:52:151
1028199226,15cyclictest0-21swapper/008:18:490
1028199226,13cyclictest0-21swapper/008:58:530
10281992210,2cyclictest0-21swapper/009:53:570
234322110,0sleep10-21swapper/109:21:381
1028299218,8cyclictest0-21swapper/110:58:531
1028299214,11cyclictest0-21swapper/108:28:461
10282992117,3cyclictest29243-21apache207:23:561
1028299211,1cyclictest0-21swapper/110:42:511
10282992111,5cyclictest0-21swapper/107:58:491
10282992110,9cyclictest0-21swapper/108:38:361
10282992110,7cyclictest0-21swapper/111:25:511
1028199215,8cyclictest28864-21/usr/sbin/munin07:53:560
1028199215,10cyclictest0-21swapper/008:33:540
1028199214,11cyclictest0-21swapper/010:03:510
1028199214,11cyclictest0-21swapper/008:38:480
10281992119,1cyclictest0-21swapper/009:59:160
10281992116,2cyclictest0-21swapper/008:08:490
10281992110,8cyclictest0-21swapper/010:23:500
10281992110,7cyclictest0-21swapper/009:33:520
10281992110,6cyclictest0-21swapper/009:42:470
10281992110,6cyclictest0-21swapper/008:48:530
10281992110,5cyclictest0-21swapper/012:28:490
10281992110,5cyclictest0-21swapper/007:18:480
10281992110,4cyclictest0-21swapper/010:54:180
2777922010,0sleep00-21swapper/009:13:020
1028299205,9cyclictest0-21swapper/108:48:561
1028299205,7cyclictest0-21swapper/111:47:431
10282992010,1cyclictest0-21swapper/112:19:591
1028199207,7cyclictest0-21swapper/011:34:400
10281992016,4cyclictest802-21apache210:38:240
10281992011,7cyclictest0-21swapper/010:10:590
10281992011,4cyclictest0-21swapper/009:23:510
10281992011,4cyclictest0-21swapper/009:23:510
10281992011,3cyclictest0-21swapper/007:43:530
10281992010,7cyclictest0-21swapper/010:44:290
10281992010,5cyclictest0-21swapper/011:31:040
10281992010,5cyclictest0-21swapper/009:13:430
9552191,3sleep00-21swapper/009:18:570
845721910,0sleep00-21swapper/008:25:490
3268121910,0sleep10-21swapper/108:03:561
1028299192,5cyclictest28762-21/usr/sbin/munin12:08:511
10282991914,4cyclictest20101-21apache210:03:171
10282991910,7cyclictest0-21swapper/110:30:301
10282991910,4cyclictest0-21swapper/110:03:471
10282991910,3cyclictest231ktimersoftd/111:53:501
1028299190,9cyclictest7140-21apache_volume09:28:481
1028199196,10cyclictest0-21swapper/007:23:560
1028199194,6cyclictest7-21ksoftirqd/011:23:480
10281991914,2cyclictest590-21rs:main0
10281991914,2cyclictest20127-21apache208:13:500
10281991910,6cyclictest0-21swapper/012:13:430
10281991910,3cyclictest0-21swapper/011:08:560
10281991910,2cyclictest0-21swapper/010:31:180
1028299183,8cyclictest0-21swapper/107:38:541
1028299182,4cyclictest29620-21munin-plugin-st07:58:371
10282991816,2cyclictest0-21swapper/107:17:191
10282991810,0cyclictest0-21swapper/107:18:551
1028199188,5cyclictest0-21swapper/007:38:570
1028199183,9cyclictest0-21swapper/011:48:520
10281991812,2cyclictest0-21swapper/011:04:060
10281991810,6cyclictest0-21swapper/008:28:490
10281991810,6cyclictest0-21swapper/007:58:470
10281991810,4cyclictest0-21swapper/007:10:120
10281991810,2cyclictest0-21swapper/007:33:380
10281991810,2cyclictest0-21swapper/007:33:380
10281991810,0cyclictest0-21swapper/011:39:350
672421710,1sleep10-21swapper/108:22:411
1028299174,7cyclictest27699-21sh07:53:371
1028299173,7cyclictest0-21swapper/110:23:541
1028299173,10cyclictest17753-21kworker/1:212:28:581
1028299173,10cyclictest0-21swapper/108:58:471
10282991714,2cyclictest20101-21apache208:27:541
10282991710,6cyclictest0-21swapper/111:59:161
10282991710,3cyclictest0-21swapper/107:08:401
1028199175,8cyclictest0-21swapper/008:53:490
1028199174,7cyclictest0-21swapper/007:48:540
10281991713,2cyclictest20101-21apache209:45:120
10281991710,4cyclictest0-21swapper/011:58:500
10281991710,3cyclictest0-21swapper/009:28:480
10281991710,2cyclictest0-21swapper/007:13:500
1994521610,0sleep10-21swapper/108:55:401
1028299163,8cyclictest0-21swapper/107:33:561
1028299163,8cyclictest0-21swapper/107:33:561
10282991615,1cyclictest705-21ntpd08:47:331
1028199163,8cyclictest0-21swapper/012:23:570
1028199160,5cyclictest0-21swapper/011:55:320
10281991510,5cyclictest0-21swapper/007:31:450
10281991510,2cyclictest0-21swapper/010:18:370
10281991510,1cyclictest0-21swapper/008:43:500
10281991510,1cyclictest0-21swapper/008:03:500
10281991310,2cyclictest0-21swapper/009:03:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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