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2026-08-12 - 19:58
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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 rack1slot1.osadl.org (updated Wed Aug 12, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2411225210,5sleep0101rcuc/007:05:170
250502238160,61sleep20-21swapper/207:08:472
248482200162,25sleep30-21swapper/307:06:103
248512199160,25sleep10-21swapper/107:06:131
16862720,0sleep121-21ksoftirqd/108:35:121
25233992018,1cyclictest9-21ksoftirqd/010:15:220
303932190,0sleep10-21swapper/110:10:191
25255991818,0cyclictest35-21ksoftirqd/312:24:033
25255991818,0cyclictest35-21ksoftirqd/311:34:433
25255991717,0cyclictest35-21ksoftirqd/312:29:363
25255991717,0cyclictest35-21ksoftirqd/311:15:483
25255991616,0cyclictest35-21ksoftirqd/311:21:013
25255991616,0cyclictest35-21ksoftirqd/310:39:413
25255991616,0cyclictest35-21ksoftirqd/310:18:023
272362150,0sleep00-21swapper/012:25:120
25255991514,1cyclictest35-21ksoftirqd/311:55:223
25255991414,0cyclictest35-21ksoftirqd/311:53:133
25255991414,0cyclictest35-21ksoftirqd/311:06:263
25255991414,0cyclictest35-21ksoftirqd/310:29:183
25255991414,0cyclictest35-21ksoftirqd/309:55:033
25255991414,0cyclictest35-21ksoftirqd/309:15:273
25233991414,0cyclictest9-21ksoftirqd/012:15:200
25233991412,1cyclictest9-21ksoftirqd/008:35:000
2525599136,7cyclictest35-21ksoftirqd/310:20:263
25255991313,0cyclictest35-21ksoftirqd/312:36:243
25255991313,0cyclictest35-21ksoftirqd/312:32:043
25255991313,0cyclictest35-21ksoftirqd/311:44:543
25255991313,0cyclictest35-21ksoftirqd/311:44:533
25255991313,0cyclictest35-21ksoftirqd/310:45:283
25255991313,0cyclictest35-21ksoftirqd/309:53:443
25255991313,0cyclictest35-21ksoftirqd/309:31:023
25255991312,1cyclictest35-21ksoftirqd/310:58:393
25233991311,1cyclictest9-21ksoftirqd/008:35:010
2525599125,7cyclictest35-21ksoftirqd/309:12:223
25255991212,0cyclictest35-21ksoftirqd/312:04:593
25255991212,0cyclictest35-21ksoftirqd/311:29:343
25255991212,0cyclictest35-21ksoftirqd/310:42:123
25255991212,0cyclictest35-21ksoftirqd/310:14:123
25255991212,0cyclictest35-21ksoftirqd/309:38:163
25255991212,0cyclictest35-21ksoftirqd/308:28:143
2523999120,12cyclictest0-21swapper/111:20:101
25233991210,1cyclictest9-21ksoftirqd/007:54:590
2525599119,1cyclictest35-21ksoftirqd/308:05:003
2525599118,2cyclictest35-21ksoftirqd/311:10:593
25255991111,0cyclictest35-21ksoftirqd/312:16:263
25255991111,0cyclictest35-21ksoftirqd/312:10:393
25255991111,0cyclictest35-21ksoftirqd/309:46:493
25255991111,0cyclictest35-21ksoftirqd/309:20:593
25255991110,1cyclictest35-21ksoftirqd/312:08:063
25255991110,1cyclictest35-21ksoftirqd/311:01:583
25255991110,1cyclictest35-21ksoftirqd/310:31:113
2524699119,1cyclictest28-21ksoftirqd/210:05:002
2524699119,1cyclictest28-21ksoftirqd/209:15:012
25246991110,1cyclictest28-21ksoftirqd/209:27:132
2523399119,1cyclictest9-21ksoftirqd/008:20:010
25233991111,0cyclictest9-21ksoftirqd/012:10:140
2525599109,1cyclictest35-21ksoftirqd/311:46:573
2525599109,1cyclictest35-21ksoftirqd/309:05:003
2525599108,2cyclictest25228-21cyclictest07:25:193
2525599102,7cyclictest341rcuc/308:53:483
25255991010,0cyclictest35-21ksoftirqd/311:36:513
25255991010,0cyclictest35-21ksoftirqd/310:50:153
25255991010,0cyclictest35-21ksoftirqd/310:05:133
25255991010,0cyclictest35-21ksoftirqd/310:01:063
25255991010,0cyclictest35-21ksoftirqd/309:41:433
25255991010,0cyclictest35-21ksoftirqd/309:25:593
25255991010,0cyclictest35-21ksoftirqd/308:06:293
2524699109,1cyclictest5090-21sh11:53:562
2524699109,1cyclictest28-21ksoftirqd/211:40:002
2524699108,1cyclictest28-21ksoftirqd/211:40:012
2524699108,1cyclictest28-21ksoftirqd/211:40:002
2524699100,6cyclictest18092-21diskmemload12:05:162
2524699100,10cyclictest0-21swapper/212:16:252
2523399109,1cyclictest9-21ksoftirqd/011:15:130
2523399109,1cyclictest9-21ksoftirqd/010:40:150
2523399109,1cyclictest9-21ksoftirqd/010:10:120
2523399109,1cyclictest9-21ksoftirqd/007:20:120
2523399108,1cyclictest9-21ksoftirqd/009:04:590
2523399107,1cyclictest9-21ksoftirqd/008:05:000
25233991010,0cyclictest9-21ksoftirqd/011:35:120
25233991010,0cyclictest9-21ksoftirqd/009:15:120
2523399100,7cyclictest32244-21kworker/0:012:35:150
111582100,0sleep20-21swapper/212:00:462
252559997,2cyclictest0-21swapper/308:20:143
252559994,5cyclictest1169-21basename08:35:013
252559991,8cyclictest35-21ksoftirqd/308:14:403
252559991,0cyclictest35-21ksoftirqd/308:45:513
252469998,1cyclictest28-21ksoftirqd/209:45:012
252469998,1cyclictest28-21ksoftirqd/209:15:162
252469998,1cyclictest28-21ksoftirqd/209:10:002
252469997,1cyclictest28-21ksoftirqd/208:25:002
252469997,1cyclictest28-21ksoftirqd/207:49:592
252399990,2cyclictest0-21swapper/112:00:131
252339998,1cyclictest9-21ksoftirqd/012:30:140
252339998,1cyclictest9-21ksoftirqd/011:10:140
252339998,1cyclictest9-21ksoftirqd/010:45:110
252339998,1cyclictest9-21ksoftirqd/008:10:150
252339998,1cyclictest9-21ksoftirqd/007:35:000
252339997,1cyclictest9-21ksoftirqd/012:10:000
252339997,1cyclictest9-21ksoftirqd/009:20:160
252339997,1cyclictest9-21ksoftirqd/007:30:010
252339992,4cyclictest31260-21latency_hist08:30:010
252339990,4cyclictest10874-21perf09:45:010
252559988,0cyclictest35-21ksoftirqd/309:05:223
252559988,0cyclictest35-21ksoftirqd/308:55:243
252559988,0cyclictest35-21ksoftirqd/308:40:023
252559988,0cyclictest35-21ksoftirqd/308:35:313
252559988,0cyclictest35-21ksoftirqd/308:15:013
252559988,0cyclictest35-21ksoftirqd/307:55:013
252559988,0cyclictest35-21ksoftirqd/307:50:143
252559988,0cyclictest35-21ksoftirqd/307:45:023
252559988,0cyclictest35-21ksoftirqd/307:35:163
252559988,0cyclictest35-21ksoftirqd/307:30:063
252559988,0cyclictest35-21ksoftirqd/307:15:023
252559988,0cyclictest35-21ksoftirqd/307:10:043
252559988,0cyclictest0-21swapper/307:40:023
252559988,0cyclictest0-21swapper/307:20:083
252469987,1cyclictest28-21ksoftirqd/209:30:172
252469987,1cyclictest28-21ksoftirqd/209:04:592
252469986,1cyclictest4348-21sh12:39:052
252469986,1cyclictest11301-21snmpd12:29:552
252469986,1cyclictest11301-21snmpd10:28:512
252469981,6cyclictest11301-21snmpd10:46:192
252469981,6cyclictest11301-21snmpd10:13:412
252469980,4cyclictest0-21swapper/210:52:062
252399981,3cyclictest0-21swapper/108:50:151
252399980,3cyclictest0-21swapper/111:09:331
252399980,2cyclictest0-21swapper/108:10:121
252339988,0cyclictest9-21ksoftirqd/010:25:000
252339987,1cyclictest9-21ksoftirqd/012:00:000
252339987,1cyclictest9-21ksoftirqd/010:35:130
252339987,1cyclictest9-21ksoftirqd/010:25:150
252339987,1cyclictest9-21ksoftirqd/009:55:150
252339987,1cyclictest9-21ksoftirqd/008:45:190
252339986,1cyclictest9-21ksoftirqd/012:20:590
252339986,1cyclictest9-21ksoftirqd/012:00:170
252339986,1cyclictest9-21ksoftirqd/011:05:000
252339986,1cyclictest9-21ksoftirqd/008:09:590
252339986,1cyclictest9-21ksoftirqd/007:55:120
252339986,1cyclictest9-21ksoftirqd/007:40:190
252339986,1cyclictest32036-21cat11:45:150
252339986,1cyclictest17863-21latency_hist09:55:000
252339986,1cyclictest11301-21snmpd11:54:090
252339982,6cyclictest9-21ksoftirqd/007:30:170
252339982,5cyclictest21497-21latency_hist09:15:010
252339981,5cyclictest11001-21cron08:54:590
252339980,7cyclictest28731-21gltestperf10:55:150
13319280,1sleep10-21swapper/109:46:461
252469976,1cyclictest61650irq/122-eno111:10:122
252469976,1cyclictest61650irq/122-eno110:20:192
252469976,1cyclictest61650irq/122-eno110:05:132
252469976,1cyclictest61650irq/122-eno108:16:202
252469976,1cyclictest61650irq/122-eno107:30:152
252469976,1cyclictest61650irq/122-eno107:30:012
252469976,1cyclictest28-21ksoftirqd/207:25:012
252469975,1cyclictest61650irq/122-eno112:30:122
252469975,1cyclictest61650irq/122-eno110:40:122
252469975,1cyclictest28-21ksoftirqd/211:00:142
252469975,1cyclictest28-21ksoftirqd/207:15:002
252469975,1cyclictest12862-21ssh10:33:022
252469972,3cyclictest20829-21/usr/sbin/munin08:05:182
252469971,6cyclictest0-21swapper/208:46:592
252469970,6cyclictest0-21swapper/208:35:552
252469970,1cyclictest0-21swapper/208:32:042
252469970,0cyclictest0-21swapper/207:40:142
252399972,3cyclictest0-21swapper/109:54:491
252399970,4cyclictest0-21swapper/111:36:121
252399970,4cyclictest0-21swapper/110:45:191
252399970,1cyclictest0-21swapper/108:43:321
252399970,1cyclictest0-21swapper/107:50:401
252339977,0cyclictest9-21ksoftirqd/010:30:130
252339977,0cyclictest9-21ksoftirqd/008:55:130
252339976,1cyclictest9-21ksoftirqd/009:40:000
252339972,4cyclictest25330-21ssh10:50:160
252339970,6cyclictest32753-21ssh09:30:010
252339970,6cyclictest27571-21ssh11:40:040
252339970,6cyclictest27571-21ssh11:40:040
252339970,6cyclictest18092-21diskmemload11:30:380
252339970,6cyclictest18092-21diskmemload10:06:040
252339970,6cyclictest0-21swapper/011:20:170
252339970,6cyclictest0-21swapper/009:05:120
252339970,1cyclictest31483-21ssh09:26:570
252339970,1cyclictest18092-21diskmemload11:25:300
252339970,1cyclictest0-21swapper/009:45:130
252339970,1cyclictest0-21swapper/008:21:280
252469966,0cyclictest61650irq/122-eno111:55:142
252469966,0cyclictest61650irq/122-eno111:25:292
252469966,0cyclictest61650irq/122-eno111:20:132
252469966,0cyclictest61650irq/122-eno111:06:052
252469966,0cyclictest61650irq/122-eno110:56:012
252469966,0cyclictest61650irq/122-eno110:36:332
252469966,0cyclictest61650irq/122-eno109:20:562
252469966,0cyclictest61650irq/122-eno108:28:472
252469966,0cyclictest61650irq/122-eno107:36:172
252469966,0cyclictest61650irq/122-eno107:12:582
252469965,1cyclictest61650irq/122-eno112:20:122
252469965,1cyclictest61650irq/122-eno112:10:212
252469965,1cyclictest61650irq/122-eno111:15:132
252469965,1cyclictest61650irq/122-eno109:45:112
252469965,1cyclictest4989-21cat09:35:172
252469965,1cyclictest28-21ksoftirqd/208:15:012
252469965,0cyclictest61650irq/122-eno111:30:112
252469964,1cyclictest61650irq/122-eno111:45:112
252469964,1cyclictest61650irq/122-eno109:55:112
252469964,1cyclictest61650irq/122-eno108:50:122
252469962,1cyclictest515-21which10:15:152
252469960,6cyclictest0-21swapper/208:55:272
252469960,6cyclictest0-21swapper/207:50:092
252469960,5cyclictest0-21swapper/208:41:212
252469960,1cyclictest18092-21diskmemload09:50:122
252399961,5cyclictest0-21swapper/110:01:501
252399961,3cyclictest0-21swapper/112:20:181
252399961,3cyclictest0-21swapper/111:40:121
252399961,3cyclictest0-21swapper/111:40:111
252399960,6cyclictest0-21swapper/111:26:501
252399960,6cyclictest0-21swapper/111:14:401
252399960,6cyclictest0-21swapper/109:23:101
252399960,6cyclictest0-21swapper/108:19:401
252399960,6cyclictest0-21swapper/107:35:431
252399960,5cyclictest0-21swapper/111:45:171
252399960,5cyclictest0-21swapper/109:16:101
252399960,5cyclictest0-21swapper/108:30:151
252399960,5cyclictest0-21swapper/107:22:431
252399960,3cyclictest0-21swapper/111:55:101
252399960,3cyclictest0-21swapper/110:22:211
252399960,1cyclictest0-21swapper/110:05:171
252399960,1cyclictest0-21swapper/109:04:301
252399960,1cyclictest0-21swapper/107:59:011
252399960,0cyclictest0-21swapper/112:10:561
252339965,1cyclictest9-21ksoftirqd/007:10:150
252339964,1cyclictest9-21ksoftirqd/007:15:000
252339961,2cyclictest22740-21needreboot10:00:170
252339960,6cyclictest4867-21ssh11:06:170
252339960,5cyclictest0-21swapper/008:40:160
252469955,0cyclictest61650irq/122-eno108:00:232
252469950,1cyclictest0-21swapper/207:55:102
252399955,0cyclictest0-21swapper/109:59:211
252399953,2cyclictest0-21swapper/108:55:521
252399952,1cyclictest0-21swapper/109:35:111
252399951,3cyclictest0-21swapper/112:27:171
252399951,3cyclictest0-21swapper/110:35:101
252399951,3cyclictest0-21swapper/107:30:121
252399950,5cyclictest0-21swapper/110:44:221
252399950,5cyclictest0-21swapper/107:40:541
252399950,4cyclictest0-21swapper/112:39:281
252399950,4cyclictest0-21swapper/112:06:371
252399950,4cyclictest0-21swapper/111:50:441
252399950,4cyclictest0-21swapper/110:50:401
252399950,4cyclictest0-21swapper/109:40:061
252399950,3cyclictest0-21swapper/111:30:181
252399950,3cyclictest0-21swapper/110:31:561
252399950,3cyclictest0-21swapper/109:30:041
252399950,3cyclictest0-21swapper/109:11:241
252399950,2cyclictest0-21swapper/112:15:181
252399950,2cyclictest0-21swapper/111:16:251
252399950,2cyclictest0-21swapper/111:00:171
252399950,2cyclictest0-21swapper/110:55:211
252399950,2cyclictest0-21swapper/108:05:121
252399950,1cyclictest0-21swapper/109:05:111
252399950,1cyclictest0-21swapper/107:10:211
252399950,0cyclictest0-21swapper/109:25:121
252339950,0cyclictest0-21swapper/007:45:170
252399942,1cyclictest285062chrt08:20:271
252399942,1cyclictest0-21swapper/107:18:491
252399940,4cyclictest0-21swapper/108:45:081
252399940,3cyclictest0-21swapper/112:30:011
252399940,2cyclictest0-21swapper/110:25:111
252399940,1cyclictest0-21swapper/108:00:411
252399940,0cyclictest0-21swapper/110:15:181
252399940,0cyclictest0-21swapper/107:45:391
252399931,1cyclictest0-21swapper/108:25:121
252399930,0cyclictest0-21swapper/107:25:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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