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2026-09-23 - 20:12
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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 Sep 23, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246722229156,58sleep00-21swapper/007:08:250
246232215173,27sleep30-21swapper/307:07:483
247672208168,26sleep20-21swapper/207:09:402
246482199160,25sleep10-21swapper/107:08:051
117552620,0sleep00-21swapper/012:05:140
94692610,0sleep30-21swapper/308:50:163
319772600,0sleep20-21swapper/211:47:582
112612560,0sleep20-21swapper/208:55:162
24870992017,2cyclictest9-21ksoftirqd/010:35:210
24870991817,1cyclictest9-21ksoftirqd/007:35:220
24870991716,1cyclictest9-21ksoftirqd/008:00:000
24870991716,1cyclictest9-21ksoftirqd/007:25:190
146902170,0sleep10-21swapper/109:00:191
24870991616,0cyclictest9-21ksoftirqd/012:39:020
24870991616,0cyclictest9-21ksoftirqd/011:15:160
24870991616,0cyclictest9-21ksoftirqd/010:17:490
24870991616,0cyclictest9-21ksoftirqd/009:40:110
24870991615,1cyclictest9-21ksoftirqd/011:05:030
24870991615,1cyclictest9-21ksoftirqd/008:50:120
24870991615,1cyclictest9-21ksoftirqd/007:50:190
24870991615,1cyclictest9-21ksoftirqd/007:50:000
24870991615,0cyclictest9-21ksoftirqd/009:10:190
2487099156,1cyclictest9-21ksoftirqd/007:20:190
24870991515,0cyclictest9-21ksoftirqd/010:30:190
24870991515,0cyclictest9-21ksoftirqd/009:47:050
24870991515,0cyclictest9-21ksoftirqd/009:00:170
24870991515,0cyclictest9-21ksoftirqd/008:10:150
24870991514,1cyclictest9-21ksoftirqd/011:35:130
24870991514,1cyclictest9-21ksoftirqd/009:19:260
270612140,0sleep20-21swapper/209:20:592
2487999140,13cyclictest0-21swapper/210:25:202
24870991414,0cyclictest9-21ksoftirqd/012:20:190
24870991414,0cyclictest9-21ksoftirqd/011:01:200
24870991414,0cyclictest9-21ksoftirqd/010:56:180
24870991414,0cyclictest9-21ksoftirqd/008:40:120
24870991413,1cyclictest9-21ksoftirqd/011:45:110
24870991413,1cyclictest9-21ksoftirqd/009:57:260
24870991412,1cyclictest9-21ksoftirqd/012:25:140
24870991412,1cyclictest9-21ksoftirqd/010:05:000
2487999130,12cyclictest0-21swapper/210:50:212
2487099139,3cyclictest9-21ksoftirqd/007:45:000
2487099138,5cyclictest9-21ksoftirqd/009:51:110
24870991312,1cyclictest9-21ksoftirqd/012:00:000
24870991312,1cyclictest9-21ksoftirqd/011:25:140
24870991312,1cyclictest9-21ksoftirqd/011:20:010
24870991312,1cyclictest9-21ksoftirqd/011:10:160
24870991312,1cyclictest9-21ksoftirqd/010:20:130
24870991312,1cyclictest9-21ksoftirqd/010:10:210
24870991312,1cyclictest9-21ksoftirqd/009:35:150
24870991312,1cyclictest9-21ksoftirqd/008:35:010
24870991311,1cyclictest9-21ksoftirqd/010:05:170
24870991311,1cyclictest9-21ksoftirqd/008:25:000
24870991311,1cyclictest9-21ksoftirqd/007:35:000
2487999120,11cyclictest0-21swapper/212:20:132
2487099128,3cyclictest9-21ksoftirqd/008:05:160
24870991212,0cyclictest9-21ksoftirqd/012:15:370
24870991212,0cyclictest9-21ksoftirqd/010:50:060
24870991211,1cyclictest9-21ksoftirqd/012:30:170
24870991211,1cyclictest9-21ksoftirqd/012:10:170
24870991211,1cyclictest9-21ksoftirqd/012:00:120
24870991211,1cyclictest9-21ksoftirqd/011:50:190
24870991211,1cyclictest9-21ksoftirqd/010:40:100
24870991211,1cyclictest9-21ksoftirqd/010:25:140
24870991211,1cyclictest9-21ksoftirqd/009:30:140
24870991211,1cyclictest9-21ksoftirqd/009:20:120
24870991211,1cyclictest9-21ksoftirqd/008:15:170
24870991210,1cyclictest9-21ksoftirqd/011:40:120
24870991210,1cyclictest9-21ksoftirqd/011:35:000
24870991210,1cyclictest9-21ksoftirqd/009:09:590
24870991210,1cyclictest9-21ksoftirqd/008:45:150
24870991210,1cyclictest9-21ksoftirqd/007:10:130
2487099120,10cyclictest17394-21kworker/0:008:27:230
2489199119,1cyclictest35-21ksoftirqd/307:50:003
24891991110,1cyclictest35-21ksoftirqd/312:24:593
24891991110,1cyclictest35-21ksoftirqd/311:55:133
2487099119,1cyclictest9-21ksoftirqd/007:55:150
2487099119,1cyclictest9-21ksoftirqd/007:15:010
24870991111,0cyclictest9-21ksoftirqd/010:47:290
24870991110,1cyclictest9-21ksoftirqd/009:25:110
24870991110,1cyclictest9-21ksoftirqd/009:00:000
2489199109,1cyclictest35-21ksoftirqd/311:00:143
2489199109,1cyclictest35-21ksoftirqd/308:20:003
2489199109,1cyclictest35-21ksoftirqd/307:15:013
2489199108,1cyclictest35-21ksoftirqd/312:15:153
2489199108,1cyclictest35-21ksoftirqd/309:00:133
24870991010,0cyclictest9-21ksoftirqd/008:30:130
248919998,1cyclictest35-21ksoftirqd/312:00:203
248919998,1cyclictest35-21ksoftirqd/311:35:003
248919998,1cyclictest35-21ksoftirqd/309:25:153
248919998,1cyclictest35-21ksoftirqd/307:35:003
248799997,1cyclictest28-21ksoftirqd/208:40:012
248799990,6cyclictest5145-21/usr/sbin/munin07:35:152
248799990,5cyclictest16989-21kworker/2:109:45:182
248919988,0cyclictest35-21ksoftirqd/312:30:183
248919988,0cyclictest35-21ksoftirqd/310:55:123
248919987,1cyclictest35-21ksoftirqd/311:45:133
248919987,1cyclictest35-21ksoftirqd/311:20:203
248919987,1cyclictest35-21ksoftirqd/310:45:133
248919987,1cyclictest35-21ksoftirqd/310:10:163
248919987,1cyclictest35-21ksoftirqd/307:45:013
248919986,1cyclictest35-21ksoftirqd/311:35:203
248919986,1cyclictest35-21ksoftirqd/308:45:013
248919983,1cyclictest17783-21diskmemload09:30:233
248919981,3cyclictest25516-21cut12:25:153
248799987,1cyclictest28-21ksoftirqd/211:22:312
248799986,1cyclictest61650irq/122-eno111:55:182
248799986,1cyclictest61650irq/122-eno111:05:162
248799986,1cyclictest61650irq/122-eno110:22:282
248799986,1cyclictest61650irq/122-eno109:50:182
248799986,1cyclictest13308-21apt-get09:00:122
248799986,1cyclictest11301-21snmpd12:26:412
248799986,1cyclictest11301-21snmpd09:17:122
248799986,1cyclictest11301-21snmpd07:55:302
248799986,1cyclictest11301-21snmpd07:16:292
248799982,4cyclictest29149-21aten_r1power_vo08:25:122
248799980,7cyclictest32559-21cut09:30:142
248799980,7cyclictest0-21swapper/211:41:422
248799980,7cyclictest0-21swapper/210:55:342
248759980,4cyclictest0-21swapper/109:55:191
248919977,0cyclictest35-21ksoftirqd/310:00:163
248919977,0cyclictest35-21ksoftirqd/307:25:133
248919976,1cyclictest35-21ksoftirqd/312:05:123
248919976,1cyclictest35-21ksoftirqd/310:53:513
248919976,1cyclictest35-21ksoftirqd/310:25:153
248919976,1cyclictest35-21ksoftirqd/310:05:183
248919976,1cyclictest35-21ksoftirqd/309:20:203
248919976,1cyclictest35-21ksoftirqd/308:35:013
248919976,1cyclictest17063-21sensors09:05:203
248919976,1cyclictest11301-21snmpd08:49:563
248919976,1cyclictest11301-21snmpd07:20:383
248919975,1cyclictest1463-21ssh12:36:273
248919975,1cyclictest11301-21snmpd11:07:273
248919975,1cyclictest11301-21snmpd08:20:043
248919974,1cyclictest240-21systemd-journal10:00:003
248919972,3cyclictest4153-21ssh10:20:563
248919971,5cyclictest12342-21perf10:35:003
248919970,2cyclictest25084-21apt-get07:10:113
248919970,2cyclictest0-21swapper/310:17:533
248919970,2cyclictest0-21swapper/309:47:513
248799976,1cyclictest61650irq/122-eno112:35:112
248799976,1cyclictest61650irq/122-eno112:15:192
248799976,1cyclictest61650irq/122-eno111:53:462
248799976,1cyclictest61650irq/122-eno111:30:442
248799976,1cyclictest61650irq/122-eno110:45:192
248799976,1cyclictest61650irq/122-eno110:40:192
248799976,1cyclictest61650irq/122-eno110:36:062
248799976,1cyclictest61650irq/122-eno108:30:152
248799976,1cyclictest19182-21ntpq09:10:182
248799976,1cyclictest11301-21snmpd10:00:002
248799976,0cyclictest61650irq/122-eno110:15:112
248799975,1cyclictest61650irq/122-eno112:05:112
248799975,1cyclictest11301-21snmpd08:40:262
248799973,2cyclictest11541-21apt-get11:20:002
248799971,6cyclictest0-21swapper/209:41:072
248799970,6cyclictest10501-21kworker/u8:011:37:152
248799970,5cyclictest0-21swapper/212:33:332
248799970,4cyclictest0-21swapper/209:55:062
248799970,1cyclictest0-21swapper/207:50:002
248799970,0cyclictest0-21swapper/210:11:242
248759972,4cyclictest0-21swapper/109:10:131
248759971,3cyclictest0-21swapper/109:50:171
248759970,4cyclictest0-21swapper/111:57:371
248759970,4cyclictest0-21swapper/109:44:161
248759970,1cyclictest0-21swapper/112:04:131
248759970,1cyclictest0-21swapper/109:31:331
248759970,1cyclictest0-21swapper/107:10:501
248919966,0cyclictest35-21ksoftirqd/309:40:153
248919966,0cyclictest15985-21sensors07:55:193
248919965,1cyclictest35-21ksoftirqd/311:15:153
248919965,1cyclictest35-21ksoftirqd/309:50:163
248919965,1cyclictest35-21ksoftirqd/309:15:153
248919965,1cyclictest35-21ksoftirqd/307:35:143
248919965,1cyclictest20077-21ssh09:11:303
248919965,1cyclictest1877-21ssh11:50:243
248919965,1cyclictest16737-21ssh12:12:173
248919965,1cyclictest14522-21ssh10:35:493
248919965,1cyclictest11301-21snmpd10:42:003
248919965,1cyclictest11301-21snmpd08:06:223
248919964,1cyclictest7116-21ssh11:11:573
248919964,1cyclictest35-21ksoftirqd/308:10:153
248919964,1cyclictest35-21ksoftirqd/307:50:123
248919964,1cyclictest11301-21snmpd08:29:363
248919964,1cyclictest11301-21snmpd08:00:553
248919961,1cyclictest3962-21grep09:35:153
248919960,2cyclictest0-21swapper/311:40:083
248919960,2cyclictest0-21swapper/311:25:163
248919960,1cyclictest0-21swapper/308:55:143
248799966,0cyclictest61650irq/122-eno112:10:082
248799966,0cyclictest61650irq/122-eno111:11:192
248799966,0cyclictest61650irq/122-eno111:00:552
248799966,0cyclictest61650irq/122-eno110:30:352
248799966,0cyclictest61650irq/122-eno109:35:142
248799966,0cyclictest61650irq/122-eno107:45:442
248799966,0cyclictest61650irq/122-eno107:28:512
248799966,0cyclictest61650irq/122-eno107:20:152
248799966,0cyclictest61650irq/122-eno107:11:472
248799965,1cyclictest61650irq/122-eno111:25:192
248799965,1cyclictest61650irq/122-eno110:05:352
248799965,1cyclictest61650irq/122-eno107:40:162
248799965,1cyclictest30914-21ssh09:26:502
248799962,3cyclictest24065-21apt-get08:15:122
248799961,0cyclictest0-21swapper/208:10:122
248799960,6cyclictest0-21swapper/208:01:012
248799960,0cyclictest0-21swapper/212:00:122
248759966,0cyclictest0-21swapper/112:15:241
248759965,1cyclictest0-21swapper/109:21:001
248759961,5cyclictest0-21swapper/108:40:311
248759961,2cyclictest0-21swapper/111:45:161
248759960,6cyclictest0-21swapper/112:08:261
248759960,6cyclictest0-21swapper/111:40:371
248759960,6cyclictest0-21swapper/111:27:281
248759960,6cyclictest0-21swapper/108:24:221
248759960,6cyclictest0-21swapper/107:25:051
248759960,5cyclictest0-21swapper/111:13:191
248759960,4cyclictest0-21swapper/112:31:151
248759960,3cyclictest0-21swapper/112:12:231
248759960,3cyclictest0-21swapper/111:52:541
248759960,3cyclictest0-21swapper/109:25:101
248759960,2cyclictest0-21swapper/110:19:011
248759960,1cyclictest0-21swapper/111:09:551
248759960,1cyclictest0-21swapper/110:31:411
248759960,1cyclictest0-21swapper/107:45:111
15031260,0sleep10-21swapper/110:37:321
1049260,1sleep10-21swapper/108:35:001
26697250,0sleep10-21swapper/112:25:391
248799955,0cyclictest61650irq/122-eno108:50:122
248799955,0cyclictest61650irq/122-eno108:20:142
248799955,0cyclictest61650irq/122-eno107:30:142
248799954,1cyclictest61650irq/122-eno108:45:102
248799951,2cyclictest548-21systemd-logind09:05:202
248759955,0cyclictest0-21swapper/110:51:231
248759954,1cyclictest0-21swapper/112:20:131
248759953,1cyclictest0-21swapper/107:15:151
248759951,2cyclictest0-21swapper/110:40:191
248759951,2cyclictest0-21swapper/110:25:151
248759951,1cyclictest0-21swapper/107:20:131
248759950,5cyclictest0-21swapper/111:21:461
248759950,5cyclictest0-21swapper/108:54:201
248759950,5cyclictest0-21swapper/108:07:071
248759950,4cyclictest0-21swapper/107:41:361
248759950,3cyclictest0-21swapper/111:35:151
248759950,3cyclictest0-21swapper/111:15:161
248759950,3cyclictest0-21swapper/111:00:581
248759950,3cyclictest0-21swapper/110:55:171
248759950,3cyclictest0-21swapper/110:10:081
248759950,3cyclictest0-21swapper/108:25:111
248759950,2cyclictest0-21swapper/110:45:181
248759950,2cyclictest0-21swapper/110:20:491
248759950,2cyclictest0-21swapper/110:05:031
248759950,2cyclictest0-21swapper/110:00:151
248759950,2cyclictest0-21swapper/108:10:131
248759950,1cyclictest0-21swapper/112:36:111
248759950,1cyclictest0-21swapper/109:17:021
248759950,1cyclictest0-21swapper/108:55:161
248759950,1cyclictest0-21swapper/107:40:011
248759950,0cyclictest0-21swapper/111:34:011
248759950,0cyclictest0-21swapper/109:35:591
248919943,1cyclictest32003-21tune2fs08:30:163
248799944,0cyclictest61650irq/122-eno108:05:142
248759943,1cyclictest0-21swapper/108:45:131
248759941,2cyclictest0-21swapper/109:05:151
248759941,2cyclictest0-21swapper/108:00:091
248759940,3cyclictest0-21swapper/107:50:181
248759940,0cyclictest0-21swapper/109:45:111
248759931,1cyclictest0-21swapper/108:35:121
248759930,3cyclictest0-21swapper/107:30:211
248759930,2cyclictest0-21swapper/108:15:161
248759930,1cyclictest0-21swapper/107:55:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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