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2026-03-11 - 19:36
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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 100 highest latencies:
System rack5slot2.osadl.org (updated Wed Mar 11, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
291232202185,12sleep10-21swapper/107:08:201
289912199182,12sleep00-21swapper/007:06:380
291002196179,12sleep30-21swapper/307:08:023
289782193176,12sleep20-21swapper/207:06:282
170032650,1sleep22944999cyclictest10:24:212
170032650,1sleep22944999cyclictest10:24:212
26732460,0sleep20-21swapper/210:00:472
100682460,0sleep10-21swapper/110:05:101
38092430,0sleep30-21swapper/310:49:363
270592170,0sleep10-21swapper/109:41:081
161872150,0sleep20-21swapper/211:26:502
32140280,0sleep20-21swapper/211:03:122
294409962,3cyclictest22352-21ssh12:01:390
294409960,6cyclictest0-21swapper/012:06:540
294409960,6cyclictest0-21swapper/011:32:020
294409960,6cyclictest0-21swapper/010:28:150
294409960,6cyclictest0-21swapper/010:21:230
294409960,6cyclictest0-21swapper/010:21:230
294409960,6cyclictest0-21swapper/009:49:590
294409960,1cyclictest22854-21ssh11:14:540
294409960,1cyclictest11020-21ssh10:36:390
294509955,0cyclictest21031-21kworker/3:112:26:053
294509951,4cyclictest21031-21kworker/3:111:37:103
294509950,5cyclictest0-21swapper/309:57:083
294509950,5cyclictest0-21swapper/309:18:263
294509950,4cyclictest5851-21diskstats07:25:153
294509950,4cyclictest22881-21ssh11:45:453
294509950,4cyclictest0-21swapper/307:15:113
294509950,3cyclictest0-21swapper/310:03:133
294509950,0cyclictest0-21swapper/310:52:173
294499950,5cyclictest0-21swapper/212:12:572
294499950,5cyclictest0-21swapper/211:54:282
294499950,5cyclictest0-21swapper/207:35:122
294499950,4cyclictest8918-21ssh09:16:532
294499950,3cyclictest0-21swapper/209:37:332
294409952,3cyclictest0-21swapper/011:40:020
294409952,3cyclictest0-21swapper/011:00:030
294409952,3cyclictest0-21swapper/007:35:020
294409951,3cyclictest814-21snmpd08:59:330
294409950,5cyclictest9187-21hddtemp_smartct08:35:140
294409950,5cyclictest0-21swapper/012:35:060
294409950,5cyclictest0-21swapper/012:25:020
294409950,5cyclictest0-21swapper/012:20:020
294409950,5cyclictest0-21swapper/012:15:060
294409950,5cyclictest0-21swapper/012:10:110
294409950,5cyclictest0-21swapper/011:55:020
294409950,5cyclictest0-21swapper/011:50:300
294409950,5cyclictest0-21swapper/011:45:060
294409950,5cyclictest0-21swapper/011:35:420
294409950,5cyclictest0-21swapper/011:25:220
294409950,5cyclictest0-21swapper/011:20:300
294409950,5cyclictest0-21swapper/011:15:460
294409950,5cyclictest0-21swapper/011:05:070
294409950,5cyclictest0-21swapper/010:55:350
294409950,5cyclictest0-21swapper/010:50:510
294409950,5cyclictest0-21swapper/010:45:110
294409950,5cyclictest0-21swapper/010:40:270
294409950,5cyclictest0-21swapper/010:30:070
294409950,5cyclictest0-21swapper/010:15:030
294409950,5cyclictest0-21swapper/010:10:030
294409950,5cyclictest0-21swapper/010:05:310
294409950,5cyclictest0-21swapper/010:00:510
294409950,5cyclictest0-21swapper/009:55:390
294409950,5cyclictest0-21swapper/009:50:580
294409950,5cyclictest0-21swapper/009:35:030
294409950,5cyclictest0-21swapper/009:25:550
294409950,5cyclictest0-21swapper/009:20:270
294409950,5cyclictest0-21swapper/009:15:390
294409950,5cyclictest0-21swapper/009:10:030
294409950,5cyclictest0-21swapper/007:42:540
294409950,5cyclictest0-21swapper/007:25:030
294409950,5cyclictest0-21swapper/007:10:190
294409950,5cyclictest0-21swapper/007:10:190
294409950,4cyclictest0-21swapper/012:30:080
294409950,1cyclictest0-21swapper/009:30:030
294409950,0cyclictest0-21swapper/009:40:030
29416250,0sleep229425-21sh11:33:442
28124250,0sleep1211ktimersoftd/108:10:121
294509944,0cyclictest25654-21diskmemload10:38:013
294509944,0cyclictest21031-21kworker/3:112:37:193
294509944,0cyclictest21031-21kworker/3:110:56:313
294509944,0cyclictest21031-21kworker/3:110:11:453
294509944,0cyclictest21031-21kworker/3:108:53:233
294509944,0cyclictest21031-21kworker/3:108:42:103
294509944,0cyclictest21031-21kworker/3:107:23:483
294509944,0cyclictest0-21swapper/309:48:593
294509944,0cyclictest0-21swapper/309:42:183
294509944,0cyclictest0-21swapper/309:12:283
294509942,2cyclictest21031-21kworker/3:112:20:143
294509942,2cyclictest21031-21kworker/3:111:34:143
294509942,2cyclictest21031-21kworker/3:110:08:073
294509942,1cyclictest814-21snmpd09:00:483
294509942,1cyclictest814-21snmpd08:35:003
294509942,1cyclictest814-21snmpd08:07:033
294509942,1cyclictest26139-21ssh09:25:163
294509941,3cyclictest21031-21kworker/3:111:59:103
294509941,3cyclictest0-21swapper/308:15:013
294509940,4cyclictest30300-21apt-get11:50:123
294509940,4cyclictest19741-21ssh12:00:173
294509940,4cyclictest0-21swapper/312:18:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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