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2026-06-20 - 13:56
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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 Sat Jun 20, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34282203165,24sleep00-21swapper/007:09:240
13642202149,41sleep10-21swapper/107:05:111
31532198159,25sleep30-21swapper/307:05:493
31722197159,24sleep20-21swapper/207:06:052
101212190,0sleep10-21swapper/107:20:141
358599144,9cyclictest21861-21ntp_states10:25:202
3585991410,4cyclictest0-21swapper/209:37:402
359599135,5cyclictest1029-21snmpd12:15:373
3585991311,2cyclictest0-21swapper/210:05:152
3585991311,1cyclictest14556-21ntp_states10:15:182
3585991310,2cyclictest1128-21expr08:10:152
3595991210,1cyclictest35-21ksoftirqd/311:50:013
358599129,2cyclictest18051-21gltestperf08:45:152
358599122,9cyclictest18548-21threads10:20:202
3585991211,1cyclictest479-21perf08:09:592
3585991210,2cyclictest27920-21ssh11:18:502
3585991210,2cyclictest21037-21smartctl08:50:192
3585991210,1cyclictest28-21ksoftirqd/207:25:002
3585991210,1cyclictest0-21swapper/209:00:122
358599121,7cyclictest3100-21apt-get08:15:112
358599120,11cyclictest61650irq/122-eno111:50:452
357599120,11cyclictest0-21swapper/010:20:130
359599119,1cyclictest35-21ksoftirqd/310:50:003
359599119,1cyclictest35-21ksoftirqd/309:40:003
359599110,7cyclictest15324-21apt-get12:30:103
359599110,7cyclictest15324-21apt-get12:30:103
358599119,2cyclictest0-21swapper/211:10:142
358599117,3cyclictest29036-21diskmemload10:35:172
358599112,5cyclictest32278-21apt-get11:25:102
3585991111,0cyclictest0-21swapper/209:14:162
3585991110,1cyclictest30442-21irqstats12:05:172
3585991110,1cyclictest21378-21apt-get07:45:122
3585991110,1cyclictest0-21swapper/211:55:132
3585991110,1cyclictest0-21swapper/211:20:542
3585991110,1cyclictest0-21swapper/211:06:572
3585991110,1cyclictest0-21swapper/208:40:132
3585991110,1cyclictest0-21swapper/207:50:152
357599119,1cyclictest9-21ksoftirqd/011:20:000
357599119,1cyclictest9-21ksoftirqd/009:20:010
357599119,1cyclictest9-21ksoftirqd/007:45:000
3575991110,1cyclictest9-21ksoftirqd/010:40:000
359599109,1cyclictest35-21ksoftirqd/312:15:003
359599109,1cyclictest35-21ksoftirqd/312:00:003
359599109,1cyclictest35-21ksoftirqd/309:55:003
359599109,1cyclictest35-21ksoftirqd/309:30:003
359599109,1cyclictest35-21ksoftirqd/309:20:003
359599109,1cyclictest35-21ksoftirqd/307:50:013
359599108,1cyclictest35-21ksoftirqd/312:30:003
358599109,1cyclictest5519-21sshd10:04:162
358599109,1cyclictest0-21swapper/212:22:512
358599109,1cyclictest0-21swapper/211:49:442
358599109,1cyclictest0-21swapper/211:35:422
358599109,1cyclictest0-21swapper/210:30:172
358599109,1cyclictest0-21swapper/209:57:392
358599109,1cyclictest0-21swapper/209:50:182
358599109,1cyclictest0-21swapper/209:45:092
358599109,1cyclictest0-21swapper/209:16:372
358599109,1cyclictest0-21swapper/208:55:222
358599109,1cyclictest0-21swapper/207:30:002
358599108,1cyclictest7276-21runrttasks08:20:562
358599108,1cyclictest570-21nscd12:15:232
358599108,1cyclictest0-21swapper/209:25:182
358599108,1cyclictest0-21swapper/207:15:172
358599106,3cyclictest0-21swapper/211:31:202
358599105,4cyclictest0-21swapper/210:42:322
358599104,4cyclictest12179-21df12:25:122
358599100,8cyclictest1029-21snmpd11:41:432
357599108,1cyclictest9-21ksoftirqd/008:25:000
357599102,4cyclictest17234-21perf11:05:000
357599100,7cyclictest29036-21diskmemload09:59:070
35959999,0cyclictest35-21ksoftirqd/308:00:003
35959999,0cyclictest35-21ksoftirqd/307:55:003
35959999,0cyclictest35-21ksoftirqd/307:35:003
35959998,1cyclictest35-21ksoftirqd/308:40:003
35959998,1cyclictest35-21ksoftirqd/308:30:003
35959997,1cyclictest35-21ksoftirqd/312:05:013
35959997,1cyclictest35-21ksoftirqd/311:05:013
35959990,4cyclictest0-21swapper/308:45:113
35859998,1cyclictest0-21swapper/212:10:132
35859998,1cyclictest0-21swapper/210:50:372
35859996,3cyclictest0-21swapper/210:45:032
35859995,4cyclictest0-21swapper/209:31:132
35859995,3cyclictest0-21swapper/211:00:212
35859991,8cyclictest28-21ksoftirqd/209:05:262
35859991,8cyclictest28-21ksoftirqd/207:35:102
35859991,8cyclictest28-21ksoftirqd/207:30:112
35859991,8cyclictest28-21ksoftirqd/207:10:062
35859991,7cyclictest0-21swapper/212:00:422
35859991,0cyclictest28-21ksoftirqd/212:35:362
35859991,0cyclictest28-21ksoftirqd/212:30:402
35859991,0cyclictest28-21ksoftirqd/212:30:402
35859991,0cyclictest28-21ksoftirqd/210:55:492
35859991,0cyclictest28-21ksoftirqd/210:10:082
35859991,0cyclictest28-21ksoftirqd/209:40:112
35859991,0cyclictest28-21ksoftirqd/209:21:142
35859991,0cyclictest28-21ksoftirqd/208:35:102
35859991,0cyclictest28-21ksoftirqd/208:30:582
35859991,0cyclictest28-21ksoftirqd/208:25:032
35859991,0cyclictest28-21ksoftirqd/208:00:042
35859991,0cyclictest28-21ksoftirqd/207:55:172
35859991,0cyclictest28-21ksoftirqd/207:40:242
35759998,1cyclictest9-21ksoftirqd/009:45:000
35759991,8cyclictest21369-21kworker/u8:011:44:240
35759991,7cyclictest18976-21ssh12:35:130
35759990,4cyclictest24703-21perf11:15:000
7376280,0sleep30-21swapper/308:22:163
35959987,1cyclictest35-21ksoftirqd/312:20:003
35959987,1cyclictest35-21ksoftirqd/311:10:003
35959987,1cyclictest35-21ksoftirqd/309:30:013
35959987,1cyclictest35-21ksoftirqd/308:35:013
35959987,1cyclictest35-21ksoftirqd/307:40:013
35959987,1cyclictest35-21ksoftirqd/307:30:003
35959986,1cyclictest35-21ksoftirqd/307:20:003
35959986,1cyclictest35-21ksoftirqd/307:15:013
35959986,1cyclictest1029-21snmpd11:31:343
35959986,1cyclictest1029-21snmpd10:54:413
35959986,1cyclictest1029-21snmpd10:43:283
35959986,1cyclictest1029-21snmpd09:47:123
35959985,2cyclictest1029-21snmpd09:22:443
35809981,1cyclictest0-21swapper/112:24:071
35809980,3cyclictest0-21swapper/112:00:101
35759988,0cyclictest1029-21snmpd08:37:370
35759987,1cyclictest9-21ksoftirqd/010:55:000
35759986,1cyclictest9-21ksoftirqd/011:00:010
35759986,1cyclictest9-21ksoftirqd/009:35:130
35759986,1cyclictest7764-21perf12:20:000
35759986,1cyclictest15424-21df_inode08:40:140
35759986,1cyclictest1029-21snmpd08:28:240
35759986,1cyclictest1029-21snmpd07:18:190
35759980,7cyclictest24327-21ssh10:30:120
35759980,1cyclictest31265-21ssh09:11:160
32260280,0sleep10-21swapper/112:08:151
35959977,0cyclictest35-21ksoftirqd/308:00:153
35959977,0cyclictest29036-21diskmemload12:36:053
35959976,1cyclictest35-21ksoftirqd/311:55:003
35959976,1cyclictest35-21ksoftirqd/311:00:003
35959976,1cyclictest35-21ksoftirqd/310:20:133
35959976,1cyclictest35-21ksoftirqd/309:50:133
35959976,1cyclictest35-21ksoftirqd/308:20:013
35959976,1cyclictest35-21ksoftirqd/308:15:003
35959976,1cyclictest26560-21cat12:00:153
35959976,1cyclictest1029-21snmpd10:01:363
35959975,1cyclictest35-21ksoftirqd/311:35:143
35959975,1cyclictest35-21ksoftirqd/307:25:003
35959975,1cyclictest26538-21ssh10:31:403
35959975,1cyclictest15267-21ssh10:15:423
35959975,1cyclictest1029-21snmpd11:16:243
35959975,1cyclictest1029-21snmpd10:05:033
35959975,1cyclictest1029-21snmpd09:08:553
35959975,1cyclictest1029-21snmpd08:08:213
35959970,4cyclictest0-21swapper/310:25:523
35809976,0cyclictest0-21swapper/111:26:231
35809971,6cyclictest0-21swapper/110:14:241
35759976,1cyclictest9-21ksoftirqd/009:05:010
35759976,1cyclictest9-21ksoftirqd/009:00:000
35759976,1cyclictest20926-21ssh11:52:450
35759976,1cyclictest1029-21snmpd08:12:540
35759975,1cyclictest9765-21aten_r1power_en10:10:120
35759975,1cyclictest9-21ksoftirqd/010:05:000
35759975,1cyclictest869-21ssh11:25:160
35759975,1cyclictest29105-21gpgv12:05:010
35759975,1cyclictest1029-21snmpd12:20:130
35759975,1cyclictest1029-21snmpd09:47:140
35759974,1cyclictest0-21swapper/009:30:350
35759970,7cyclictest0-21swapper/010:41:270
35759970,6cyclictest21964-21ssh11:55:090
35759970,6cyclictest0-21swapper/012:05:190
35759970,6cyclictest0-21swapper/011:05:140
35759970,4cyclictest28624-21/usr/sbin/munin11:20:160
35759970,1cyclictest5670-21ssh09:20:160
35759970,1cyclictest5312-21ssh10:47:220
35759970,1cyclictest27841-21cstates09:50:130
35759970,1cyclictest27543-21tune2fs09:05:140
35759970,1cyclictest16748-21ssh11:46:460
35759970,1cyclictest15303-21ssh12:30:070
35759970,1cyclictest15303-21ssh12:30:070
35759970,1cyclictest0-21swapper/011:35:150
35759970,1cyclictest0-21swapper/010:05:140
35959966,0cyclictest35-21ksoftirqd/311:25:133
35959965,1cyclictest35-21ksoftirqd/311:10:013
35959965,1cyclictest35-21ksoftirqd/307:45:003
35959965,1cyclictest32282-21ssh09:14:173
35959965,1cyclictest29788-21ssh10:35:273
35959965,1cyclictest22076-21ssh09:40:383
35959965,1cyclictest11680-21ssh10:10:523
35959965,1cyclictest10823-21ssh11:40:103
35959964,1cyclictest15863-21cat08:40:163
35959962,3cyclictest6516-21munin-node09:00:483
35959961,3cyclictest0-21swapper/311:21:053
35959960,1cyclictest240-21systemd-journal09:00:003
35809966,0cyclictest0-21swapper/109:53:281
35809962,3cyclictest12428-21chrt10:56:491
35809961,5cyclictest0-21swapper/112:31:511
35809961,5cyclictest0-21swapper/112:31:501
35809960,6cyclictest0-21swapper/112:27:431
35809960,6cyclictest0-21swapper/111:49:001
35809960,6cyclictest0-21swapper/110:38:201
35809960,6cyclictest0-21swapper/110:28:491
35809960,6cyclictest0-21swapper/110:16:091
35809960,6cyclictest0-21swapper/109:49:571
35809960,6cyclictest0-21swapper/109:08:261
35809960,6cyclictest0-21swapper/109:03:581
35809960,6cyclictest0-21swapper/108:20:371
35809960,6cyclictest0-21swapper/108:11:001
35809960,6cyclictest0-21swapper/108:00:261
35809960,6cyclictest0-21swapper/107:18:311
35809960,6cyclictest0-21swapper/107:14:101
35809960,5cyclictest0-21swapper/112:18:351
35809960,5cyclictest0-21swapper/111:09:441
35809960,5cyclictest0-21swapper/109:18:501
35809960,4cyclictest0-21swapper/109:35:441
35809960,3cyclictest0-21swapper/111:22:031
35809960,3cyclictest0-21swapper/110:33:381
35809960,3cyclictest0-21swapper/110:22:251
35809960,3cyclictest0-21swapper/109:40:501
35809960,2cyclictest0-21swapper/109:22:551
35809960,2cyclictest0-21swapper/109:14:301
35809960,2cyclictest0-21swapper/108:45:001
35809960,2cyclictest0-21swapper/108:35:121
35809960,1cyclictest0-21swapper/111:35:191
35809960,1cyclictest0-21swapper/107:58:081
35759965,1cyclictest9-21ksoftirqd/008:50:560
35759965,1cyclictest11083-21cat08:30:140
35759964,1cyclictest9-21ksoftirqd/007:10:010
35759961,3cyclictest0-21swapper/007:35:130
35759960,6cyclictest0-21swapper/010:26:350
35759960,6cyclictest0-21swapper/009:25:130
35759960,6cyclictest0-21swapper/008:16:450
35759960,6cyclictest0-21swapper/007:50:590
35759960,5cyclictest733-21sshd07:21:170
35759960,5cyclictest0-21swapper/012:10:110
35759960,1cyclictest13859-21ssh12:26:310
35759960,1cyclictest0-21swapper/008:08:510
35759960,0cyclictest0-21swapper/011:31:590
35759960,0cyclictest0-21swapper/010:15:110
35759960,0cyclictest0-21swapper/008:45:100
35759960,0cyclictest0-21swapper/007:47:210
5747250,0sleep10-21swapper/110:48:411
35959953,1cyclictest1029-21snmpd08:52:433
35809955,0cyclictest0-21swapper/112:14:271
35809955,0cyclictest0-21swapper/108:52:471
35809953,1cyclictest20918-21chrt07:42:171
35809950,5cyclictest0-21swapper/112:35:021
35809950,5cyclictest0-21swapper/110:54:181
35809950,5cyclictest0-21swapper/110:43:061
35809950,5cyclictest0-21swapper/109:26:051
35809950,5cyclictest0-21swapper/108:27:571
35809950,5cyclictest0-21swapper/107:46:321
35809950,4cyclictest0-21swapper/110:04:221
35809950,3cyclictest0-21swapper/111:34:011
35809950,3cyclictest0-21swapper/111:00:201
35809950,3cyclictest0-21swapper/109:58:111
35809950,2cyclictest0-21swapper/111:10:011
35809950,2cyclictest0-21swapper/109:31:201
35809950,0cyclictest0-21swapper/108:15:391
35759954,1cyclictest14294-21/usr/sbin/munin07:30:120
35759950,5cyclictest0-21swapper/007:55:120
35759950,1cyclictest0-21swapper/007:25:200
35759950,0cyclictest0-21swapper/008:00:140
35809944,0cyclictest0-21swapper/108:48:231
35809944,0cyclictest0-21swapper/107:30:331
35809941,2cyclictest0-21swapper/111:50:011
35809941,2cyclictest0-21swapper/107:35:131
35809941,2cyclictest0-21swapper/107:25:131
35809941,1cyclictest0-21swapper/107:50:101
35809940,2cyclictest0-21swapper/111:41:321
35809940,1cyclictest8171-21chrt10:06:181
35809940,1cyclictest0-21swapper/111:15:011
35809940,1cyclictest0-21swapper/108:55:011
35809940,1cyclictest0-21swapper/108:30:111
35809940,1cyclictest0-21swapper/108:05:021
35809940,0cyclictest0-21swapper/111:55:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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