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2026-03-27 - 23:43
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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 Fri Mar 27, 2026 12:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112602227149,21sleep00-21swapper/007:05:480
113962214149,51sleep20-21swapper/207:07:342
112392210158,40sleep10-21swapper/107:05:321
114622208172,23sleep30-21swapper/307:08:283
11683991818,0cyclictest35-21ksoftirqd/310:10:143
11683991515,0cyclictest35-21ksoftirqd/311:47:373
11683991414,0cyclictest35-21ksoftirqd/312:13:073
11683991414,0cyclictest35-21ksoftirqd/312:06:573
11683991414,0cyclictest35-21ksoftirqd/310:55:013
11683991414,0cyclictest35-21ksoftirqd/309:40:113
11683991414,0cyclictest35-21ksoftirqd/309:25:103
11683991410,2cyclictest35-21ksoftirqd/310:40:003
11683991313,0cyclictest35-21ksoftirqd/311:50:403
11683991313,0cyclictest35-21ksoftirqd/311:42:243
11683991313,0cyclictest35-21ksoftirqd/311:07:293
11683991313,0cyclictest35-21ksoftirqd/311:04:073
11683991313,0cyclictest35-21ksoftirqd/309:22:133
11683991313,0cyclictest35-21ksoftirqd/307:15:123
11683991312,1cyclictest35-21ksoftirqd/311:16:503
11683991311,1cyclictest35-21ksoftirqd/312:20:003
11682991311,1cyclictest28-21ksoftirqd/208:14:592
1167199130,12cyclictest0-21swapper/011:40:100
11683991212,0cyclictest35-21ksoftirqd/312:40:003
11683991212,0cyclictest35-21ksoftirqd/311:35:013
11683991212,0cyclictest35-21ksoftirqd/310:53:283
11683991212,0cyclictest35-21ksoftirqd/310:30:233
11683991212,0cyclictest35-21ksoftirqd/309:56:283
11683991212,0cyclictest35-21ksoftirqd/309:51:493
11683991212,0cyclictest35-21ksoftirqd/309:51:483
11683991212,0cyclictest35-21ksoftirqd/309:35:183
11683991212,0cyclictest35-21ksoftirqd/309:05:153
11683991211,1cyclictest35-21ksoftirqd/312:35:003
11683991211,1cyclictest35-21ksoftirqd/310:19:593
11683991211,1cyclictest35-21ksoftirqd/309:00:003
11683991211,0cyclictest35-21ksoftirqd/310:21:163
11683991211,0cyclictest35-21ksoftirqd/310:05:013
11683991210,1cyclictest35-21ksoftirqd/309:15:203
11683991210,1cyclictest35-21ksoftirqd/309:00:213
11683991210,1cyclictest35-21ksoftirqd/308:45:003
1167199122,5cyclictest17996-21latency_hist10:50:010
1168399119,1cyclictest35-21ksoftirqd/311:30:173
1168399119,1cyclictest35-21ksoftirqd/310:35:143
1168399119,1cyclictest35-21ksoftirqd/310:25:203
1168399119,1cyclictest35-21ksoftirqd/309:45:143
11683991110,1cyclictest557-21irqbalance07:43:163
11683991110,1cyclictest35-21ksoftirqd/312:25:203
11683991110,1cyclictest35-21ksoftirqd/312:20:143
11683991110,1cyclictest35-21ksoftirqd/312:00:013
11683991110,1cyclictest35-21ksoftirqd/311:25:143
11683991110,1cyclictest35-21ksoftirqd/311:20:143
11683991110,1cyclictest35-21ksoftirqd/311:15:003
11683991110,1cyclictest35-21ksoftirqd/310:50:013
11683991110,1cyclictest35-21ksoftirqd/310:05:193
11683991110,1cyclictest35-21ksoftirqd/309:35:003
11683991110,1cyclictest35-21ksoftirqd/309:15:013
11683991110,1cyclictest35-21ksoftirqd/308:50:013
11683991110,1cyclictest35-21ksoftirqd/308:25:203
11683991110,1cyclictest35-21ksoftirqd/308:20:003
11683991110,1cyclictest35-21ksoftirqd/308:15:003
11683991110,1cyclictest35-21ksoftirqd/308:05:003
11683991110,1cyclictest35-21ksoftirqd/307:55:123
11683991110,1cyclictest35-21ksoftirqd/307:55:113
11683991110,1cyclictest35-21ksoftirqd/307:40:013
11682991110,1cyclictest31167-21/usr/sbin/munin12:30:192
1168299111,1cyclictest0-21swapper/208:45:132
1167199119,1cyclictest9-21ksoftirqd/012:20:010
1167199119,1cyclictest9-21ksoftirqd/011:20:150
1167199119,1cyclictest9-21ksoftirqd/007:25:000
1167199112,4cyclictest31452-21latency_hist07:50:010
11671991110,1cyclictest9-21ksoftirqd/008:39:590
1167199110,8cyclictest28561-21ssh11:45:120
209272100,1sleep10-21swapper/110:52:431
1168399109,1cyclictest35-21ksoftirqd/312:05:003
1168399109,1cyclictest35-21ksoftirqd/308:35:143
1168399109,1cyclictest35-21ksoftirqd/308:30:153
1168399109,1cyclictest35-21ksoftirqd/308:24:593
1168399109,1cyclictest35-21ksoftirqd/308:05:003
1168399109,1cyclictest35-21ksoftirqd/307:50:013
1168399109,1cyclictest35-21ksoftirqd/307:30:133
1168399109,1cyclictest35-21ksoftirqd/307:10:163
1168399108,1cyclictest35-21ksoftirqd/307:45:143
1168399108,1cyclictest35-21ksoftirqd/307:25:153
11682991010,0cyclictest0-21swapper/210:25:152
1167599100,9cyclictest0-21swapper/109:38:321
1167199109,1cyclictest9-21ksoftirqd/008:20:180
1167199109,0cyclictest9-21ksoftirqd/010:50:130
1167199108,1cyclictest9-21ksoftirqd/010:25:130
1167199104,5cyclictest27148-21perf10:19:590
1167199101,8cyclictest26930-21/usr/sbin/munin07:40:140
3736290,0sleep00-21swapper/009:49:220
116839998,1cyclictest35-21ksoftirqd/307:20:113
116839997,1cyclictest35-21ksoftirqd/308:50:133
116829991,6cyclictest693-21runrttasks10:47:132
116829990,9cyclictest0-21swapper/212:07:572
116759990,5cyclictest0-21swapper/111:20:011
116719998,1cyclictest9-21ksoftirqd/012:00:140
116719998,1cyclictest9-21ksoftirqd/010:10:200
116719998,1cyclictest9-21ksoftirqd/009:20:130
116719998,1cyclictest9-21ksoftirqd/007:15:000
116719997,1cyclictest9-21ksoftirqd/011:05:010
116719997,1cyclictest9-21ksoftirqd/010:30:130
116719997,1cyclictest9-21ksoftirqd/009:55:190
116719997,1cyclictest9-21ksoftirqd/009:10:170
116719997,1cyclictest9-21ksoftirqd/009:00:010
116719997,1cyclictest9-21ksoftirqd/008:00:130
116719991,4cyclictest15614-21sed10:05:010
116719990,4cyclictest1955-21apt-get09:05:010
116719990,4cyclictest10088-21perf10:40:000
116829986,1cyclictest61650irq/122-eno111:00:182
116829986,1cyclictest61650irq/122-eno110:50:152
116829986,1cyclictest61650irq/122-eno109:26:162
116829986,1cyclictest0-21swapper/211:30:132
116829984,2cyclictest240-21systemd-journal12:25:002
116829980,3cyclictest0-21swapper/208:20:102
116759988,0cyclictest21-21ksoftirqd/109:26:101
116759980,4cyclictest0-21swapper/107:35:111
116719988,0cyclictest9-21ksoftirqd/010:20:180
116719988,0cyclictest9-21ksoftirqd/007:35:110
116719987,1cyclictest9-21ksoftirqd/012:25:210
116719987,1cyclictest9-21ksoftirqd/009:40:010
116719987,1cyclictest9-21ksoftirqd/009:05:010
116719987,1cyclictest9-21ksoftirqd/008:50:010
116719986,1cyclictest9-21ksoftirqd/011:05:130
116719986,1cyclictest9-21ksoftirqd/009:25:130
116719986,1cyclictest9-21ksoftirqd/007:55:130
116719986,1cyclictest9-21ksoftirqd/007:55:130
116719981,1cyclictest24918-21ssh10:58:070
116719980,7cyclictest11181-21ssh09:16:590
116719980,2cyclictest0-21swapper/007:30:110
116719980,1cyclictest8353-21ssh11:19:210
116719980,1cyclictest18612-21ssh10:07:560
116719980,1cyclictest16400-21ssh11:29:420
670270,0sleep10-21swapper/109:00:141
116829977,0cyclictest28-21ksoftirqd/211:43:232
116829976,1cyclictest61650irq/122-eno112:29:162
116829976,1cyclictest61650irq/122-eno112:18:182
116829976,1cyclictest61650irq/122-eno111:50:232
116829976,1cyclictest61650irq/122-eno111:14:142
116829976,1cyclictest61650irq/122-eno110:11:502
116829976,1cyclictest61650irq/122-eno109:40:002
116829976,1cyclictest61650irq/122-eno109:30:132
116829976,1cyclictest61650irq/122-eno109:13:152
116829976,1cyclictest28-21ksoftirqd/210:34:592
116829976,1cyclictest28-21ksoftirqd/207:20:002
116829976,1cyclictest2458-21cat07:55:152
116829976,1cyclictest2458-21cat07:55:142
116829976,0cyclictest61650irq/122-eno109:20:132
116829975,1cyclictest7161-21if_eno108:05:162
116829975,1cyclictest693-21runrttasks10:39:052
116829975,1cyclictest61650irq/122-eno111:35:152
116829975,1cyclictest28-21ksoftirqd/211:45:202
116829975,1cyclictest28-21ksoftirqd/207:41:092
116829975,1cyclictest28-21ksoftirqd/207:14:592
116829972,4cyclictest14224-21kworker/2:208:35:132
116829972,2cyclictest7893-21apt-get12:00:112
116829970,1cyclictest13211-21runrttasks10:43:152
116829970,1cyclictest0-21swapper/209:05:142
116759976,1cyclictest0-21swapper/109:45:201
116759971,4cyclictest0-21swapper/110:12:211
116759970,4cyclictest0-21swapper/111:10:221
116759970,4cyclictest0-21swapper/110:45:111
116759970,4cyclictest0-21swapper/109:33:351
116759970,4cyclictest0-21swapper/108:20:091
116759970,4cyclictest0-21swapper/107:50:131
116759970,3cyclictest0-21swapper/107:25:111
116759970,2cyclictest0-21swapper/111:05:101
116759970,0cyclictest0-21swapper/110:25:101
116719977,0cyclictest9-21ksoftirqd/010:40:180
116719976,1cyclictest9-21ksoftirqd/012:35:120
116719976,1cyclictest9-21ksoftirqd/012:10:170
116719976,1cyclictest9-21ksoftirqd/011:35:160
116719976,1cyclictest9-21ksoftirqd/008:30:140
116719976,1cyclictest9-21ksoftirqd/008:05:120
116719976,1cyclictest21296-21ssh12:15:370
116719976,0cyclictest9-21ksoftirqd/008:40:130
116719975,1cyclictest9-21ksoftirqd/011:55:150
116719975,1cyclictest9-21ksoftirqd/011:50:010
116719975,1cyclictest9-21ksoftirqd/008:15:120
116719973,0cyclictest0-21swapper/008:50:110
116719971,5cyclictest21805-21cat07:30:000
116719970,6cyclictest8693-21aten_r1power_en08:10:130
116719970,6cyclictest5483-21ntp_states09:50:170
116719970,6cyclictest5483-21ntp_states09:50:170
116719970,1cyclictest14652-21runrttasks12:08:220
9937260,0sleep10-21swapper/112:01:031
116829966,0cyclictest61650irq/122-eno111:55:212
116829966,0cyclictest61650irq/122-eno111:25:152
116829966,0cyclictest61650irq/122-eno110:20:062
116829966,0cyclictest61650irq/122-eno110:15:182
116829966,0cyclictest61650irq/122-eno110:00:082
116829966,0cyclictest61650irq/122-eno109:55:312
116829966,0cyclictest61650irq/122-eno109:50:312
116829966,0cyclictest61650irq/122-eno109:50:312
116829966,0cyclictest61650irq/122-eno109:45:482
116829966,0cyclictest61650irq/122-eno109:40:352
116829966,0cyclictest61650irq/122-eno108:43:142
116829966,0cyclictest61650irq/122-eno108:00:572
116829966,0cyclictest61650irq/122-eno107:49:272
116829966,0cyclictest61650irq/122-eno107:27:052
116829966,0cyclictest61650irq/122-eno107:21:432
116829965,1cyclictest61650irq/122-eno111:20:002
116829965,1cyclictest61650irq/122-eno110:55:372
116829965,1cyclictest61650irq/122-eno110:05:132
116829965,1cyclictest61650irq/122-eno107:30:142
116829965,0cyclictest61650irq/122-eno112:10:112
116829964,1cyclictest61650irq/122-eno111:05:022
116829964,1cyclictest61650irq/122-eno109:15:142
116829964,1cyclictest28-21ksoftirqd/211:15:122
116829964,1cyclictest28-21ksoftirqd/208:30:132
116829961,4cyclictest0-21swapper/212:35:112
116829960,6cyclictest0-21swapper/208:50:142
116829960,4cyclictest0-21swapper/209:00:112
116759961,2cyclictest0-21swapper/112:32:321
116759961,2cyclictest0-21swapper/109:17:071
116759960,6cyclictest0-21swapper/111:51:461
116759960,6cyclictest0-21swapper/111:37:591
116759960,6cyclictest0-21swapper/110:31:301
116759960,6cyclictest0-21swapper/109:10:111
116759960,4cyclictest0-21swapper/110:36:441
116759960,4cyclictest0-21swapper/110:07:491
116759960,3cyclictest0-21swapper/111:17:521
116759960,3cyclictest0-21swapper/110:00:121
116759960,2cyclictest0-21swapper/112:15:121
116759960,1cyclictest0-21swapper/107:20:141
116719965,1cyclictest9-21ksoftirqd/012:30:200
116719960,6cyclictest0-21swapper/007:10:100
116719960,5cyclictest24887-21ssh09:35:010
116719960,5cyclictest18683-21ssh11:30:330
116719960,1cyclictest0-21swapper/008:25:150
116719960,0cyclictest4510-21diskmemload11:09:590
116719960,0cyclictest0-21swapper/009:30:110
116719960,0cyclictest0-21swapper/007:50:190
116829955,0cyclictest61650irq/122-eno108:25:172
116829955,0cyclictest61650irq/122-eno107:50:012
116829954,1cyclictest61650irq/122-eno108:55:122
116829950,1cyclictest0-21swapper/207:35:102
116759955,0cyclictest0-21swapper/111:03:111
116759951,2cyclictest0-21swapper/108:15:111
116759951,1cyclictest0-21swapper/108:50:141
116759951,1cyclictest0-21swapper/108:10:161
116759950,5cyclictest0-21swapper/109:24:431
116759950,5cyclictest0-21swapper/107:59:181
116759950,5cyclictest0-21swapper/107:59:181
116759950,5cyclictest0-21swapper/107:45:291
116759950,4cyclictest0-21swapper/108:45:171
116759950,4cyclictest0-21swapper/108:35:151
116759950,3cyclictest0-21swapper/112:05:101
116759950,3cyclictest0-21swapper/111:57:381
116759950,3cyclictest0-21swapper/111:40:141
116759950,3cyclictest0-21swapper/111:33:131
116759950,3cyclictest0-21swapper/110:40:021
116759950,3cyclictest0-21swapper/110:23:471
116759950,2cyclictest0-21swapper/112:25:331
116759950,2cyclictest0-21swapper/112:24:181
116759950,1cyclictest0-21swapper/110:15:151
116759950,0cyclictest0-21swapper/108:27:081
116829943,1cyclictest61650irq/122-eno108:15:102
116759943,1cyclictest0-21swapper/112:10:101
116759942,1cyclictest73612sleep108:05:171
116759941,2cyclictest0-21swapper/108:00:091
116759941,2cyclictest0-21swapper/107:40:121
116759941,1cyclictest0-21swapper/107:30:111
116759940,3cyclictest0-21swapper/110:55:171
116759940,3cyclictest0-21swapper/109:55:091
116759940,3cyclictest0-21swapper/109:41:181
116759940,2cyclictest0-21swapper/112:36:401
116759940,2cyclictest0-21swapper/111:45:141
116759940,2cyclictest0-21swapper/111:25:201
116759940,2cyclictest0-21swapper/109:50:311
116759940,2cyclictest0-21swapper/109:50:311
116759940,2cyclictest0-21swapper/108:40:101
116759940,2cyclictest0-21swapper/107:10:151
116759940,1cyclictest0-21swapper/109:05:021
116759940,0cyclictest0-21swapper/108:55:191
116759940,0cyclictest0-21swapper/107:15:011
116759930,3cyclictest0-21swapper/108:30:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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