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2026-05-22 - 22:44
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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 the highest latencies:
System rackcslot2.osadl.org (updated Fri May 22, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1976927261,7sleep00-21swapper/007:05:130
2004026855,8sleep10-21swapper/107:08:031
245592650,0sleep10-21swapper/110:19:161
20300993110,21cyclictest0-21swapper/110:50:381
20300993110,20cyclictest0-21swapper/109:16:561
2030099297,20cyclictest0-21swapper/110:34:011
20299992928,0cyclictest0-21swapper/007:55:590
20300992828,0cyclictest0-21swapper/110:05:351
20300992810,9cyclictest0-21swapper/109:34:141
2030099280,24cyclictest0-21swapper/109:41:441
20299992810,5cyclictest0-21swapper/012:14:050
20299992810,0cyclictest0-21swapper/010:27:470
2029999280,0cyclictest0-21swapper/012:20:080
20300992723,2cyclictest30200-21apache210:28:171
20300992723,1cyclictest231ktimersoftd/110:59:071
20300992710,1cyclictest0-21swapper/111:23:261
20299992710,1cyclictest0-21swapper/012:02:180
2030099263,23cyclictest0-21swapper/108:40:501
20300992611,11cyclictest0-21swapper/110:44:041
2030099256,16cyclictest0-21swapper/111:54:061
20300992524,1cyclictest0-21swapper/108:26:021
20300992524,0cyclictest0-21swapper/112:28:421
20300992523,1cyclictest0-21swapper/111:51:071
20300992521,4cyclictest30200-21apache210:29:481
20300992520,4cyclictest30200-21apache211:18:311
20300992512,10cyclictest0-21swapper/111:06:121
20300992511,14cyclictest0-21swapper/108:44:181
20300992420,2cyclictest0-21swapper/112:21:271
2030099240,22cyclictest0-21swapper/109:08:381
20299992422,1cyclictest13938-21/usr/sbin/munin10:49:070
2029999242,1cyclictest0-21swapper/009:51:220
20299992419,3cyclictest81ktimersoftd/007:28:520
20299992417,4cyclictest0-21swapper/011:17:210
20299992412,8cyclictest28311-21pmu-power12:34:110
2029999241,13cyclictest32673-21df09:04:050
20299992410,7cyclictest0-21swapper/010:30:070
2030099236,9cyclictest6001-21apache_volume10:39:041
20300992316,5cyclictest0-21swapper/112:14:011
20300992312,6cyclictest100250irq/107-eth1-rx11:26:351
20300992310,7cyclictest0-21swapper/111:48:421
20300992310,6cyclictest0-21swapper/109:50:551
20299992323,0cyclictest0-21swapper/011:24:150
20299992320,2cyclictest0-21swapper/009:18:200
20299992315,2cyclictest81ktimersoftd/011:05:200
20299992315,2cyclictest30200-21apache211:29:580
20299992310,6cyclictest0-21swapper/009:41:390
20299992310,4cyclictest0-21swapper/010:39:070
2029999230,23cyclictest0-21swapper/010:00:260
2030099226,14cyclictest0-21swapper/109:44:051
2030099225,11cyclictest0-21swapper/109:24:041
2030099224,11cyclictest0-21swapper/108:23:011
20300992210,6cyclictest0-21swapper/111:37:211
20300992210,6cyclictest0-21swapper/111:09:121
20300992210,6cyclictest0-21swapper/109:09:391
2029999226,10cyclictest636-21nscd12:24:060
2029999225,16cyclictest0-21swapper/011:02:050
2029999225,10cyclictest0-21swapper/010:37:020
20299992219,1cyclictest20297-21cyclictest10:04:410
20299992218,1cyclictest11934-21sh09:20:150
20299992217,1cyclictest0-21swapper/009:26:480
20299992216,4cyclictest0-21swapper/009:12:280
20299992210,5cyclictest0-21swapper/012:04:070
20299992210,4cyclictest0-21swapper/010:54:110
2030099214,9cyclictest0-21swapper/108:09:051
2030099214,10cyclictest0-21swapper/109:59:091
2030099210,6cyclictest1199-21runrttasks12:31:281
20299992121,0cyclictest0-21swapper/008:28:310
20299992120,1cyclictest7-21ksoftirqd/007:23:030
20299992120,1cyclictest30191-21apache211:35:070
20299992116,4cyclictest30200-21apache209:45:140
20299992116,3cyclictest30191-21apache210:22:580
20299992111,6cyclictest100150irq/106-eth1-rx12:09:320
20299992110,4cyclictest0-21swapper/008:04:080
2029999210,17cyclictest2065-21kworker/u4:009:35:330
2030099202,12cyclictest0-21swapper/107:49:061
20300992010,5cyclictest0-21swapper/107:29:051
20300992010,3cyclictest0-21swapper/109:56:251
20300992010,2cyclictest0-21swapper/107:41:291
2029999206,9cyclictest0-21swapper/007:14:050
2029999205,9cyclictest0-21swapper/011:09:040
20299992019,1cyclictest30191-21apache210:09:220
20299992019,1cyclictest0-21swapper/008:30:260
20299992014,1cyclictest81ktimersoftd/008:44:110
20299992012,3cyclictest0-21swapper/011:19:040
20299992010,8cyclictest0-21swapper/012:29:260
20299992010,6cyclictest0-21swapper/011:49:220
20299992010,3cyclictest0-21swapper/011:41:530
20299992010,3cyclictest0-21swapper/007:39:030
1820222010,0sleep10-21swapper/110:12:121
2041821910,1sleep10-21swapper/110:58:231
2030099193,10cyclictest0-21swapper/107:19:131
20300991915,4cyclictest0-21swapper/107:44:141
20300991913,3cyclictest0-21swapper/111:42:531
20300991910,7cyclictest0-21swapper/111:29:081
20300991910,5cyclictest0-21swapper/112:34:051
20300991910,5cyclictest0-21swapper/108:49:121
20300991910,4cyclictest0-21swapper/107:14:131
2029999194,4cyclictest0-21swapper/007:59:040
20299991910,5cyclictest0-21swapper/008:09:130
20299991910,4cyclictest9631-21/usr/sbin/munin10:44:130
20299991910,4cyclictest0-21swapper/010:14:010
2613221810,0sleep10-21swapper/107:24:001
2030099186,11cyclictest0-21swapper/108:04:071
2030099185,6cyclictest0-21swapper/108:29:111
2030099184,9cyclictest0-21swapper/110:14:031
2030099184,6cyclictest0-21swapper/107:54:081
2030099183,6cyclictest0-21swapper/107:59:041
20300991814,3cyclictest0-21swapper/112:05:431
20300991810,6cyclictest100150irq/106-eth1-rx09:29:041
20300991810,5cyclictest0-21swapper/107:12:261
20300991810,4cyclictest0-21swapper/111:59:051
20300991810,4cyclictest0-21swapper/108:59:201
20300991810,4cyclictest0-21swapper/108:34:081
2029999182,2cyclictest91rcu_preempt09:57:290
2029999180,8cyclictest0-21swapper/008:33:540
20300991712,5cyclictest0-21swapper/109:18:561
2030099170,11cyclictest0-21swapper/108:54:071
2029999173,8cyclictest0-21swapper/007:49:100
20299991710,4cyclictest0-21swapper/007:48:530
20299991710,3cyclictest0-21swapper/008:54:120
20299991710,0cyclictest0-21swapper/011:48:300
2029999170,9cyclictest0-21swapper/008:49:040
2945321610,0sleep00-21swapper/007:30:060
2030099168,5cyclictest32017-21sleep07:38:521
2030099163,8cyclictest0-21swapper/108:14:111
20300991614,1cyclictest9288-21ls12:09:081
2029999165,3cyclictest15793-21/usr/sbin/munin08:19:090
2029999161,7cyclictest0-21swapper/009:29:050
20299991615,1cyclictest0-21swapper/007:09:130
20299991614,1cyclictest81ktimersoftd/009:01:590
20299991611,1cyclictest1830-21diskmemload11:54:380
20299991610,0cyclictest0-21swapper/008:40:430
20299991510,3cyclictest0-21swapper/008:14:060
2029999150,9cyclictest0-21swapper/007:33:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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