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2026-01-02 - 20:16
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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 Jan 02, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37362720,1sleep10-21swapper/109:44:431
2563427158,8sleep10-21swapper/107:07:421
41262680,0sleep00-21swapper/007:35:100
96312660,0sleep10-21swapper/109:50:261
26992620,0sleep00-21swapper/009:42:460
2548026149,8sleep00-21swapper/007:06:060
26025993129,1cyclictest7-21ksoftirqd/010:59:530
26025993110,14cyclictest0-21swapper/009:31:130
26026992929,0cyclictest0-21swapper/108:46:491
26026992929,0cyclictest0-21swapper/108:11:071
26025992929,0cyclictest0-21swapper/008:37:370
26025992820,4cyclictest636-21nscd09:24:270
26025992810,11cyclictest0-21swapper/010:51:510
26026992626,0cyclictest0-21swapper/109:16:121
26025992610,3cyclictest0-21swapper/012:35:120
26025992610,10cyclictest0-21swapper/011:56:260
26026992524,1cyclictest24-21ksoftirqd/111:24:531
26026992523,1cyclictest30022-21ssh10:17:011
26025992510,6cyclictest0-21swapper/011:10:160
2602599250,15cyclictest0-21swapper/007:20:100
26026992422,0cyclictest0-21swapper/110:40:391
26026992418,5cyclictest3560-21apache210:09:461
26026992417,6cyclictest3560-21apache210:36:471
26026992410,8cyclictest0-21swapper/111:57:131
26025992424,0cyclictest0-21swapper/012:15:080
26025992424,0cyclictest0-21swapper/012:05:570
26025992424,0cyclictest0-21swapper/011:50:560
26025992420,3cyclictest3560-21apache209:18:120
26025992410,12cyclictest0-21swapper/007:34:040
26026992322,1cyclictest0-21swapper/109:10:101
2602699232,20cyclictest26957-21latency_hist10:54:541
2602699232,20cyclictest0-21swapper/111:54:291
26026992321,1cyclictest16928-21latency_hist08:09:531
26026992310,5cyclictest0-21swapper/110:32:191
2602599238,12cyclictest0-21swapper/009:55:250
26025992310,0cyclictest0-21swapper/012:01:330
26026992222,0cyclictest0-21swapper/107:52:501
26026992221,0cyclictest0-21swapper/111:00:091
26026992215,3cyclictest3560-21apache209:27:031
26026992210,7cyclictest0-21swapper/108:00:091
26026992210,6cyclictest0-21swapper/112:07:281
26026992210,4cyclictest0-21swapper/110:04:051
2602699220,17cyclictest24094-21kworker/u4:011:34:291
26025992210,0cyclictest0-21swapper/012:20:260
2602599220,6cyclictest0-21swapper/012:13:140
2602599220,1cyclictest0-21swapper/007:28:120
26026992119,1cyclictest24773-21/usr/sbin/munin08:30:051
26026992117,2cyclictest231ktimersoftd/111:15:481
26026992116,3cyclictest24095-21unixbench_singl08:25:141
26026992115,5cyclictest770-21irqbalance12:25:131
26026992110,9cyclictest0-21swapper/112:10:051
26026992110,8cyclictest0-21swapper/111:45:051
26026992110,5cyclictest0-21swapper/108:55:061
26026992110,5cyclictest0-21swapper/107:40:041
26026992110,5cyclictest0-21swapper/107:10:061
2602699210,14cyclictest0-21swapper/111:27:441
2602699210,13cyclictest811-21/usr/sbin/munin08:50:111
2602599213,13cyclictest0-21swapper/012:30:140
26025992121,0cyclictest0-21swapper/011:31:570
26025992116,4cyclictest3533-21apache210:36:470
26025992111,4cyclictest7-21ksoftirqd/011:00:110
2602699209,5cyclictest7690-21diskmemload10:57:341
2602699204,9cyclictest0-21swapper/112:20:111
2602699204,15cyclictest0-21swapper/112:36:181
26026992019,0cyclictest0-21swapper/111:13:231
26026992018,1cyclictest0-21swapper/111:05:041
26026992016,3cyclictest3533-21apache209:48:131
26026992012,7cyclictest3560-21apache212:01:041
26026992012,4cyclictest4710-21ls07:35:161
26026992010,6cyclictest0-21swapper/108:35:021
26026992010,5cyclictest0-21swapper/109:35:081
2602599207,11cyclictest0-21swapper/010:40:060
2602599205,14cyclictest0-21swapper/010:15:130
26025992020,0cyclictest7690-21diskmemload10:28:030
26025992017,2cyclictest1199-21runrttasks07:43:560
26025992014,4cyclictest3560-21apache211:48:510
26025992013,3cyclictest0-21swapper/007:45:160
26025992012,5cyclictest100250irq/107-eth1-rx09:49:330
26025992012,4cyclictest0-21swapper/010:07:430
89242190,3sleep00-21swapper/009:10:130
2602699197,3cyclictest7690-21diskmemload09:30:151
2602699194,11cyclictest31794-21sh10:20:041
2602699194,10cyclictest0-21swapper/110:45:051
2602699192,11cyclictest0-21swapper/108:20:061
2602699192,10cyclictest0-21swapper/109:05:101
2602699192,10cyclictest0-21swapper/109:00:051
26026991915,3cyclictest3533-21apache210:29:531
26026991910,5cyclictest0-21swapper/112:32:111
26026991910,5cyclictest0-21swapper/107:20:041
26026991910,3cyclictest0-21swapper/112:14:561
2602599195,5cyclictest15901-21/usr/sbin/munin10:00:100
26025991919,0cyclictest7-21ksoftirqd/011:44:530
26025991911,4cyclictest9387-21kworker/u4:111:19:500
26025991910,6cyclictest0-21swapper/008:05:040
26025991910,5cyclictest100250irq/107-eth1-rx11:20:270
26025991910,3cyclictest0-21swapper/012:25:080
26025991910,3cyclictest0-21swapper/009:28:250
26025991910,0cyclictest0-21swapper/009:50:090
2162021910,0sleep00-21swapper/011:28:490
310621810,1sleep10-21swapper/107:34:061
2602699186,9cyclictest0-21swapper/110:10:041
26026991817,0cyclictest24-21ksoftirqd/111:35:111
26026991810,5cyclictest0-21swapper/108:40:041
26026991810,5cyclictest0-21swapper/108:40:041
26026991810,4cyclictest0-21swapper/111:40:051
26026991810,2cyclictest0-21swapper/109:54:561
2602599185,8cyclictest0-21swapper/008:15:110
2602599183,8cyclictest0-21swapper/007:55:030
26025991811,4cyclictest27199-1kworker/u5:110:30:310
26025991810,4cyclictest0-21swapper/010:10:100
26025991810,4cyclictest0-21swapper/007:51:400
26025991810,3cyclictest0-21swapper/008:55:110
2248521810,0sleep00-21swapper/008:22:480
2602699174,9cyclictest0-21swapper/107:15:121
2602699170,12cyclictest0-21swapper/107:24:551
2602599173,9cyclictest0-21swapper/008:30:080
26025991716,1cyclictest0-21swapper/011:35:110
26025991715,1cyclictest310122sleep009:37:230
26025991715,1cyclictest1232-21ssh10:21:080
26025991712,2cyclictest4773-21ntp_states09:00:110
26025991710,4cyclictest134-21jbd2/sda1-808:25:090
26025991710,3cyclictest0-21swapper/008:40:040
26025991710,3cyclictest0-21swapper/008:40:040
2602599170,3cyclictest0-21swapper/010:45:130
2067421710,0sleep10-21swapper/108:19:071
2602699164,9cyclictest0-21swapper/107:45:071
2602599165,3cyclictest0-21swapper/008:00:120
26025991611,3cyclictest100150irq/106-eth1-rx08:53:250
26025991610,4cyclictest0-21swapper/008:47:300
26025991610,3cyclictest0-21swapper/009:05:030
26025991610,2cyclictest0-21swapper/008:10:130
26026991510,3cyclictest0-21swapper/109:19:561
26026991510,2cyclictest0-21swapper/107:55:081
2602599153,8cyclictest26594-21/usr/sbin/munin07:10:100
2602599153,8cyclictest0-21swapper/007:15:080
26025991510,2cyclictest0-21swapper/011:05:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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