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2026-07-13 - 13:48
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Mon Jul 13, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169812214150,50sleep00-21swapper/007:05:320
172912210148,48sleep20-21swapper/207:09:372
172152208157,25sleep30-21swapper/307:08:373
172132199162,24sleep10-21swapper/107:08:351
270962640,0sleep10-21swapper/111:00:151
257212550,1sleep31742799cyclictest07:25:153
93172220,0sleep20-21swapper/211:20:152
17407991410,4cyclictest56-21kworker/1:109:55:181
1741699121,9cyclictest30090-21apt-get07:35:112
17403991210,1cyclictest9-21ksoftirqd/008:35:010
1740399120,0cyclictest0-21swapper/011:25:120
1741699119,1cyclictest28-21ksoftirqd/212:20:002
1740799117,4cyclictest21-21ksoftirqd/111:13:381
1740799117,4cyclictest0-21swapper/107:40:551
246882100,1sleep10-21swapper/109:29:051
240642100,0sleep00-21swapper/012:25:140
1742799109,1cyclictest35-21ksoftirqd/311:40:003
1741699109,1cyclictest28-21ksoftirqd/210:30:002
1741699109,1cyclictest28-21ksoftirqd/209:40:172
1740399108,1cyclictest9-21ksoftirqd/007:45:000
1740399106,1cyclictest9-21ksoftirqd/009:00:000
1740399102,4cyclictest22776-21latency_hist07:20:000
1740399100,5cyclictest32596-21perf09:40:000
110062100,0sleep211008-21cron09:55:002
174279998,1cyclictest35-21ksoftirqd/311:20:003
174279998,1cyclictest35-21ksoftirqd/310:00:003
174279997,1cyclictest35-21ksoftirqd/308:40:013
174169999,0cyclictest28-21ksoftirqd/211:00:142
174169998,1cyclictest28-21ksoftirqd/210:50:132
174169998,1cyclictest28-21ksoftirqd/209:35:132
174169998,1cyclictest28-21ksoftirqd/209:05:002
174169997,1cyclictest28-21ksoftirqd/210:40:002
174079995,4cyclictest21-21ksoftirqd/108:59:181
174079995,0cyclictest0-21swapper/108:25:421
174039995,1cyclictest548-21systemd-logind10:45:200
174279986,1cyclictest35-21ksoftirqd/309:00:003
174279986,1cyclictest35-21ksoftirqd/308:10:103
174279980,4cyclictest19763-21kworker/3:108:45:003
174169988,0cyclictest28-21ksoftirqd/207:25:152
174169987,1cyclictest28-21ksoftirqd/212:30:002
174169987,1cyclictest28-21ksoftirqd/212:20:142
174169986,1cyclictest61650irq/122-eno112:35:002
174169986,1cyclictest28-21ksoftirqd/207:20:002
174169984,3cyclictest21276-21perf09:25:002
174169984,2cyclictest240-21systemd-journal09:30:002
174169981,3cyclictest240-21systemd-journal12:01:152
174169980,7cyclictest585-21rs:main2
174169980,4cyclictest271rcuc/212:15:002
174079988,0cyclictest21-21ksoftirqd/110:00:161
174079987,1cyclictest21-21ksoftirqd/112:26:021
174079984,0cyclictest111rcu_preempt11:47:141
174079980,8cyclictest0-21swapper/111:50:221
174079980,8cyclictest0-21swapper/110:56:311
174079980,8cyclictest0-21swapper/107:20:191
174079980,7cyclictest0-21swapper/110:35:131
174079980,4cyclictest0-21swapper/110:25:201
174039987,1cyclictest23264-21/usr/sbin/munin11:40:180
174039981,6cyclictest10057-21diskmemload12:30:150
174039980,7cyclictest30826-21ssh12:35:120
174039980,7cyclictest17342-21ssh09:19:550
174039980,7cyclictest14195-21ssh09:58:440
174039980,7cyclictest10668-21ssh10:37:370
174039980,3cyclictest17713-21/usr/sbin/munin09:20:160
174039980,3cyclictest0-21swapper/010:40:090
32426270,0sleep00-21swapper/010:23:510
174279973,2cyclictest240-21systemd-journal10:04:113
174279973,2cyclictest240-21systemd-journal09:03:093
174279973,1cyclictest240-21systemd-journal11:04:553
174279972,2cyclictest31729-21taskset09:37:383
174279971,4cyclictest9481-21apt-get08:00:123
174279971,4cyclictest13197-21hddtemp_smartct11:25:153
174279971,4cyclictest10057-21diskmemload12:26:443
174279970,4cyclictest10057-21diskmemload12:20:133
174279970,3cyclictest0-21swapper/312:19:083
174279970,2cyclictest0-21swapper/307:49:593
174279970,0cyclictest0-21swapper/310:51:043
174169976,1cyclictest61650irq/122-eno111:06:112
174169976,1cyclictest61650irq/122-eno110:32:552
174169976,1cyclictest61650irq/122-eno110:09:062
174169976,1cyclictest61650irq/122-eno109:55:202
174169976,1cyclictest61650irq/122-eno108:55:232
174169976,1cyclictest61650irq/122-eno107:50:002
174169976,1cyclictest28-21ksoftirqd/210:45:142
174169976,1cyclictest28-21ksoftirqd/210:23:562
174169976,1cyclictest28-21ksoftirqd/209:15:152
174169976,0cyclictest61650irq/122-eno109:10:182
174169975,1cyclictest61650irq/122-eno111:30:142
174169975,1cyclictest61650irq/122-eno111:25:112
174169975,1cyclictest61650irq/122-eno109:48:362
174169975,1cyclictest61650irq/122-eno107:40:202
174169975,1cyclictest61650irq/122-eno107:30:142
174169975,1cyclictest28-21ksoftirqd/208:50:002
174169975,1cyclictest28-21ksoftirqd/208:00:002
174169974,1cyclictest61650irq/122-eno108:40:012
174169974,1cyclictest10057-21diskmemload11:45:142
174169971,3cyclictest240-21systemd-journal08:35:012
174169970,6cyclictest10057-21diskmemload11:35:142
174169970,3cyclictest10057-21diskmemload10:40:182
174169970,3cyclictest0-21swapper/211:15:222
174169970,2cyclictest240-21systemd-journal11:00:002
174169970,2cyclictest0-21swapper/209:30:352
174079977,0cyclictest21-21ksoftirqd/112:21:181
174079977,0cyclictest21-21ksoftirqd/112:18:061
174079977,0cyclictest21-21ksoftirqd/111:42:061
174079977,0cyclictest21-21ksoftirqd/111:35:131
174079977,0cyclictest21-21ksoftirqd/111:30:121
174079977,0cyclictest21-21ksoftirqd/110:21:381
174079977,0cyclictest21-21ksoftirqd/109:02:121
174079977,0cyclictest21-21ksoftirqd/108:12:261
174079977,0cyclictest21-21ksoftirqd/107:53:401
174079975,1cyclictest21-21ksoftirqd/107:15:001
174079971,5cyclictest21-21ksoftirqd/110:52:031
174079971,3cyclictest0-21swapper/112:05:111
174079971,1cyclictest111rcu_preempt07:35:171
174079970,7cyclictest0-21swapper/112:33:371
174079970,7cyclictest0-21swapper/112:03:551
174079970,7cyclictest0-21swapper/111:25:351
174079970,7cyclictest0-21swapper/110:47:191
174079970,7cyclictest0-21swapper/110:44:271
174079970,7cyclictest0-21swapper/110:15:231
174079970,7cyclictest0-21swapper/110:13:101
174079970,7cyclictest0-21swapper/110:09:111
174079970,4cyclictest0-21swapper/111:21:071
174079970,4cyclictest0-21swapper/109:50:131
174079970,4cyclictest0-21swapper/109:15:131
174079970,4cyclictest0-21swapper/108:50:191
174079970,2cyclictest0-21swapper/108:30:121
174079970,0cyclictest0-21swapper/109:40:131
174039976,1cyclictest9-21ksoftirqd/012:14:520
174039976,1cyclictest9-21ksoftirqd/008:20:000
174039976,1cyclictest4362-1kworker/u9:111:15:020
174039976,1cyclictest27548-21ssh11:00:190
174039975,1cyclictest26087-21idleruntime-cro11:00:000
174039975,1cyclictest2075-21/usr/sbin/munin09:40:230
174039975,1cyclictest15927-21awk08:10:210
174039975,1cyclictest10057-21diskmemload12:00:450
174039971,5cyclictest21043-21sh11:35:190
174039971,2cyclictest10057-21diskmemload10:00:210
174039970,6cyclictest9985-21irqstats12:05:210
174039970,6cyclictest6270-21ssh10:30:210
174039970,6cyclictest29252-21ssh11:47:030
174039970,6cyclictest2888-21ssh10:26:010
174039970,6cyclictest19065-21apt-get10:50:110
174039970,6cyclictest10846-21ssh09:54:330
174039970,6cyclictest10057-21diskmemload11:30:230
174039970,6cyclictest0-21swapper/011:20:120
174039970,6cyclictest0-21swapper/008:50:190
174039970,5cyclictest21569-21apt-get09:25:110
174039970,4cyclictest22211-21apt-get10:10:120
174039970,1cyclictest32461-21ssh11:50:490
174039970,1cyclictest27969-21ssh10:16:240
174039970,1cyclictest16285-21apt-get12:15:130
174039970,1cyclictest13360-21ssh09:14:270
174039970,1cyclictest0-21swapper/008:25:400
174039970,1cyclictest0-21swapper/007:30:150
174279965,1cyclictest9935-21ssh09:51:493
174279965,1cyclictest9027-21ssh12:05:103
174279965,1cyclictest8118-21ssh10:35:093
174279965,1cyclictest6341-21ssh10:30:313
174279965,1cyclictest537-21ssh12:36:313
174279965,1cyclictest31447-21ssh11:05:203
174279965,1cyclictest2731-21ssh10:25:323
174279965,1cyclictest2469-21ssh11:55:163
174279965,1cyclictest24070-21ssh09:27:223
174279965,1cyclictest22369-21cat08:25:163
174279965,1cyclictest21372-21ssh10:08:213
174279965,1cyclictest15102-21ssh12:12:213
174279964,1cyclictest7687-21ssh12:01:523
174279964,1cyclictest10348-21/usr/sbin/munin09:10:133
174279963,2cyclictest10057-21diskmemload10:12:383
174279963,1cyclictest279272sleep310:16:173
174279963,1cyclictest240-21systemd-journal07:59:383
174279963,1cyclictest10057-21diskmemload09:17:533
174279961,4cyclictest8738-21/usr/sbin/munin11:20:183
174279961,2cyclictest10057-21diskmemload11:12:003
174279961,2cyclictest10057-21diskmemload10:40:203
174279961,2cyclictest10057-21diskmemload09:40:173
174279961,2cyclictest0-21swapper/312:33:553
174279961,1cyclictest0-21swapper/310:56:223
174279961,1cyclictest0-21swapper/310:45:443
174279960,4cyclictest0-21swapper/311:40:243
174279960,3cyclictest0-21swapper/311:31:143
174279960,2cyclictest0-21swapper/311:50:213
174279960,2cyclictest0-21swapper/310:20:113
174279960,2cyclictest0-21swapper/309:32:453
174279960,1cyclictest0-21swapper/311:45:133
174279960,1cyclictest0-21swapper/309:45:113
174279960,1cyclictest0-21swapper/307:50:133
174169966,0cyclictest61650irq/122-eno112:05:162
174169966,0cyclictest61650irq/122-eno111:40:132
174169966,0cyclictest61650irq/122-eno111:10:082
174169966,0cyclictest61650irq/122-eno109:05:132
174169966,0cyclictest61650irq/122-eno108:53:222
174169966,0cyclictest61650irq/122-eno108:44:152
174169966,0cyclictest61650irq/122-eno108:23:002
174169966,0cyclictest61650irq/122-eno108:15:482
174169966,0cyclictest61650irq/122-eno108:10:112
174169966,0cyclictest61650irq/122-eno108:05:222
174169966,0cyclictest61650irq/122-eno108:02:182
174169965,1cyclictest61650irq/122-eno110:10:122
174169964,1cyclictest61650irq/122-eno112:35:222
174169964,1cyclictest61650irq/122-eno111:55:142
174169964,1cyclictest61650irq/122-eno110:15:232
174169964,1cyclictest61650irq/122-eno110:00:202
174169964,1cyclictest61650irq/122-eno108:25:162
174169961,1cyclictest0-21swapper/207:20:112
174079966,0cyclictest21-21ksoftirqd/112:14:401
174079966,0cyclictest21-21ksoftirqd/111:15:271
174079966,0cyclictest21-21ksoftirqd/110:31:481
174079966,0cyclictest21-21ksoftirqd/109:31:281
174079966,0cyclictest21-21ksoftirqd/109:10:381
174079966,0cyclictest21-21ksoftirqd/108:40:191
174079966,0cyclictest21-21ksoftirqd/107:47:261
174079966,0cyclictest111rcu_preempt09:20:171
174079965,1cyclictest111rcu_preempt08:45:151
174079964,1cyclictest111rcu_preempt11:56:321
174079960,6cyclictest0-21swapper/112:37:381
174079960,6cyclictest0-21swapper/109:35:101
174079960,6cyclictest0-21swapper/107:15:211
174079960,2cyclictest0-21swapper/109:45:111
174079960,1cyclictest0-21swapper/108:15:131
174039965,1cyclictest11830-21/usr/sbin/munin08:05:150
174039962,3cyclictest26306-21head08:35:120
174039962,2cyclictest240-21systemd-journal07:25:000
174039961,0cyclictest1685-21ssh11:55:040
174039960,6cyclictest0-21swapper/009:31:230
174039960,6cyclictest0-21swapper/009:05:110
174039960,6cyclictest0-21swapper/009:00:290
174039960,6cyclictest0-21swapper/007:29:500
174039960,5cyclictest4033-21apt-get09:45:110
174039960,5cyclictest19920-21/usr/sbin/munin12:20:200
174039960,5cyclictest10057-21diskmemload11:10:180
174039960,5cyclictest0-21swapper/011:05:110
174039960,0cyclictest0-21swapper/010:05:150
174039960,0cyclictest0-21swapper/007:35:130
174279955,0cyclictest19763-21kworker/3:107:40:553
174279954,0cyclictest35-21ksoftirqd/308:50:003
174279953,1cyclictest23032-21apt-get07:20:113
174279953,1cyclictest17819-21awk07:10:133
174279953,1cyclictest17633-21strings08:15:193
174279953,1cyclictest10043-21sh09:10:003
174279952,1cyclictest240-21systemd-journal09:21:243
174279952,1cyclictest240-21systemd-journal08:09:083
174279952,1cyclictest0-21swapper/307:19:553
174279951,3cyclictest0-21swapper/307:35:133
174279950,2cyclictest0-21swapper/308:30:113
174169953,1cyclictest6856-21cron07:55:002
174169953,1cyclictest19014-21sensors_temp07:10:192
174079955,0cyclictest21-21ksoftirqd/111:08:441
174079955,0cyclictest21-21ksoftirqd/108:00:221
174079955,0cyclictest21-21ksoftirqd/107:55:161
174079954,1cyclictest21-21ksoftirqd/109:05:141
174079952,0cyclictest0-21swapper/108:36:531
174079951,2cyclictest0-21swapper/107:25:131
174079950,2cyclictest0-21swapper/107:35:001
174079950,1cyclictest0-21swapper/108:05:171
174039951,2cyclictest240-21systemd-journal08:45:240
174039950,5cyclictest0-21swapper/008:40:030
174039950,1cyclictest9478-21/usr/sbin/munin08:00:230
174039950,1cyclictest240-21systemd-journal08:20:010
174039950,0cyclictest0-21swapper/007:50:190
174039950,0cyclictest0-21swapper/007:45:220
174039950,0cyclictest0-21swapper/007:10:180
174279942,1cyclictest1779-21latency08:50:173
174279940,1cyclictest0-21swapper/308:20:143
174279940,1cyclictest0-21swapper/307:30:143
174039940,0cyclictest0-21swapper/007:55:080
174079931,1cyclictest0-21swapper/108:20:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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