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2026-08-25 - 16:55
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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 Tue Aug 25, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48052217152,22sleep20-21swapper/207:08:232
48422215150,21sleep00-21swapper/007:08:490
49252197160,24sleep10-21swapper/107:09:541
47092197158,25sleep30-21swapper/307:07:073
214552700,0sleep00-21swapper/010:26:010
501499143,5cyclictest23081-21apt-config09:45:010
304652140,0sleep230468-21pmu-power11:25:182
501499130,12cyclictest0-21swapper/010:35:160
5040991212,0cyclictest35-21ksoftirqd/311:35:003
504099119,1cyclictest35-21ksoftirqd/311:40:003
5031991110,1cyclictest28-21ksoftirqd/210:05:152
503199110,5cyclictest1772-21apt-get10:00:122
503199110,11cyclictest0-21swapper/212:27:392
501499112,4cyclictest22460-21perf07:45:000
501499111,5cyclictest15997-21cat08:40:000
504099109,1cyclictest35-21ksoftirqd/309:45:003
504099109,1cyclictest35-21ksoftirqd/307:15:013
504099108,1cyclictest35-21ksoftirqd/312:05:153
504099108,1cyclictest35-21ksoftirqd/311:55:003
503199108,1cyclictest28-21ksoftirqd/211:45:172
503199100,10cyclictest0-21swapper/209:24:412
503199100,1cyclictest0-21swapper/211:15:402
5023991010,0cyclictest0-21swapper/108:16:141
501499102,4cyclictest12796-21ls07:25:010
955298,0sleep1111rcu_preempt10:45:011
50409997,1cyclictest35-21ksoftirqd/310:58:483
50409990,9cyclictest29096-1kworker/u9:110:44:413
50319999,0cyclictest28-21ksoftirqd/210:50:202
50319999,0cyclictest0-21swapper/210:39:112
50319998,1cyclictest28-21ksoftirqd/212:35:202
50319998,1cyclictest28-21ksoftirqd/211:57:002
50319998,1cyclictest28-21ksoftirqd/211:30:132
50319998,1cyclictest28-21ksoftirqd/211:05:002
50319998,1cyclictest28-21ksoftirqd/210:15:192
50319997,1cyclictest28-21ksoftirqd/208:25:152
50319991,7cyclictest1006-21apt-get10:45:102
50319990,9cyclictest0-21swapper/210:40:432
50149996,1cyclictest9-21ksoftirqd/009:04:590
50149993,5cyclictest25441-21perf09:00:010
50149991,4cyclictest7098-21latency_hist11:40:010
50409988,0cyclictest35-21ksoftirqd/310:34:033
50409987,1cyclictest35-21ksoftirqd/311:12:383
50409987,1cyclictest35-21ksoftirqd/311:12:383
50409987,1cyclictest35-21ksoftirqd/309:35:293
50409986,1cyclictest30093-21diskmemload12:26:383
50409986,1cyclictest11301-21snmpd07:43:023
50409986,1cyclictest11301-21snmpd07:28:463
50409985,1cyclictest35-21ksoftirqd/309:50:003
50409982,3cyclictest10648-21apt-get07:20:113
50409981,6cyclictest30093-21diskmemload11:06:053
50409981,5cyclictest0-21swapper/310:00:133
50409980,5cyclictest31361-21taskset11:26:313
50409980,3cyclictest18411-21df07:35:143
50319988,0cyclictest28-21ksoftirqd/209:40:222
50319987,1cyclictest28-21ksoftirqd/211:14:082
50319987,1cyclictest28-21ksoftirqd/211:14:072
50319987,1cyclictest28-21ksoftirqd/209:25:222
50319987,1cyclictest28-21ksoftirqd/207:10:152
50319986,1cyclictest61650irq/122-eno110:30:102
50319986,1cyclictest61650irq/122-eno109:35:142
50319986,1cyclictest28-21ksoftirqd/210:10:182
50319986,1cyclictest28-21ksoftirqd/208:55:132
50319986,1cyclictest28-21ksoftirqd/208:30:162
50319986,1cyclictest28-21ksoftirqd/208:10:132
50319986,1cyclictest11301-21snmpd07:59:042
50319986,1cyclictest11301-21snmpd07:32:492
50239980,8cyclictest0-21swapper/110:39:371
50239980,3cyclictest0-21swapper/112:02:031
50149987,1cyclictest7423-21ssh10:06:350
50149986,1cyclictest9-21ksoftirqd/008:41:490
50149986,1cyclictest17760-21sensors09:35:190
50149986,1cyclictest1747-21ntpd10:30:590
50149986,1cyclictest1747-21ntpd08:05:590
50149986,1cyclictest11301-21snmpd12:17:450
50149986,1cyclictest11301-21snmpd10:14:500
50149986,1cyclictest11301-21snmpd09:52:350
50149986,1cyclictest11301-21snmpd07:17:000
50149984,2cyclictest548-21systemd-logind11:10:210
50149984,2cyclictest548-21systemd-logind11:10:200
50149984,2cyclictest240-21systemd-journal08:30:010
50149982,1cyclictest22207-21/usr/sbin/munin11:15:170
50149980,7cyclictest22428-21ssh12:00:170
50149980,7cyclictest13492-21ssh11:48:140
50149980,4cyclictest17577-21wc11:55:000
17358280,1sleep20-21swapper/211:54:282
50409976,1cyclictest35-21ksoftirqd/311:24:593
50409976,1cyclictest12919-21ntpq11:00:203
50409976,1cyclictest12352-21cat08:30:193
50409976,1cyclictest11301-21snmpd10:45:273
50409976,1cyclictest11301-21snmpd08:10:243
50409975,1cyclictest11301-21snmpd10:26:093
50409975,1cyclictest11301-21snmpd09:30:113
50409975,1cyclictest11301-21snmpd09:30:103
50409975,1cyclictest11301-21snmpd08:47:523
50409974,2cyclictest31795-21/usr/sbin/munin12:15:133
50409973,1cyclictest30093-21diskmemload11:45:403
50409972,5cyclictest6800-1kworker/u9:209:27:173
50409972,4cyclictest11301-21snmpd08:17:453
50409971,5cyclictest30093-21diskmemload10:20:103
50409971,3cyclictest13293-21ssh12:35:023
50409971,1cyclictest30093-21diskmemload11:15:433
50409970,4cyclictest13615-21rt-features10:15:193
50409970,4cyclictest0-21swapper/309:17:423
50409970,2cyclictest0-21swapper/309:20:203
50319977,0cyclictest28-21ksoftirqd/209:50:202
50319976,1cyclictest61650irq/122-eno112:32:342
50319976,1cyclictest61650irq/122-eno112:19:592
50319976,1cyclictest61650irq/122-eno111:21:302
50319976,1cyclictest61650irq/122-eno109:12:362
50319976,1cyclictest61650irq/122-eno107:15:132
50319976,1cyclictest28-21ksoftirqd/211:39:172
50319976,1cyclictest28-21ksoftirqd/209:55:182
50319976,1cyclictest28-21ksoftirqd/209:30:142
50319976,1cyclictest28-21ksoftirqd/209:30:142
50319976,1cyclictest28-21ksoftirqd/208:45:012
50319976,1cyclictest11301-21snmpd08:19:502
50319975,1cyclictest7393-21ssh11:40:122
50319975,1cyclictest61650irq/122-eno112:20:192
50319975,1cyclictest61650irq/122-eno111:05:152
50319975,1cyclictest29505-21ntpq12:10:182
50319975,1cyclictest28-21ksoftirqd/210:20:122
50319975,1cyclictest28-21ksoftirqd/208:50:152
50319974,3cyclictest0-21swapper/212:05:132
50319973,3cyclictest23524-21apt-get09:45:112
50319973,2cyclictest240-21systemd-journal07:24:552
50319972,4cyclictest1763-21cron08:10:002
50319970,5cyclictest30093-21diskmemload10:55:142
50319970,1cyclictest0-21swapper/208:20:122
50319970,1cyclictest0-21swapper/207:49:252
50239971,6cyclictest0-21swapper/109:48:591
50239971,6cyclictest0-21swapper/107:52:041
50239970,6cyclictest0-21swapper/110:12:351
50239970,5cyclictest0-21swapper/110:30:131
50239970,3cyclictest0-21swapper/111:25:111
50239970,1cyclictest0-21swapper/111:45:571
50149976,1cyclictest5941-21kernelversion09:20:160
50149976,1cyclictest1747-21ntpd08:50:580
50149975,1cyclictest9-21ksoftirqd/009:15:230
50149975,1cyclictest30384-21ntpq11:25:170
50149975,1cyclictest11301-21snmpd12:20:010
50149975,1cyclictest11301-21snmpd10:45:250
50149975,1cyclictest11301-21snmpd10:00:110
50149975,1cyclictest11301-21snmpd07:13:510
50149974,1cyclictest240-21systemd-journal08:00:000
50149973,0cyclictest30093-21diskmemload10:54:010
50149971,3cyclictest30093-21diskmemload11:35:000
50149970,6cyclictest6338-21ssh12:25:060
50149970,6cyclictest30093-21diskmemload12:10:170
50149970,6cyclictest25728-21apt-get11:20:120
50149970,6cyclictest25512-21grep12:05:170
50149970,6cyclictest19446-21sed07:35:210
50149970,6cyclictest12518-21ssh09:30:060
50149970,6cyclictest12518-21ssh09:30:050
50149970,6cyclictest10249-21ssh10:56:120
50149970,6cyclictest0-21swapper/012:30:140
50149970,6cyclictest0-21swapper/010:15:130
50149970,6cyclictest0-21swapper/009:55:190
50149970,4cyclictest7339-21/usr/sbin/munin11:40:160
50149970,1cyclictest30777-21cstates09:10:130
50149970,1cyclictest30093-21diskmemload11:57:220
50149970,1cyclictest15685-21ssh12:37:140
50149970,1cyclictest11863-21ssh11:00:150
32074270,0sleep00-21swapper/010:41:280
50409965,1cyclictest35-21ksoftirqd/308:30:013
50409965,1cyclictest35-21ksoftirqd/308:04:593
50409965,1cyclictest16753-21sensors07:30:183
50409965,1cyclictest11301-21snmpd08:56:093
50409965,1cyclictest11301-21snmpd08:21:143
50409965,1cyclictest10483-21sshd11:44:483
50409964,1cyclictest32566-21ssh09:56:203
50409964,1cyclictest11301-21snmpd08:06:263
50409964,1cyclictest10484-21/usr/sbin/munin10:10:213
50409962,1cyclictest29209-21pmu-power09:05:193
50409961,2cyclictest30093-21diskmemload10:06:123
50409961,2cyclictest17957-21runrttasks11:55:133
50409961,2cyclictest0-21swapper/310:50:133
50409960,3cyclictest30093-21diskmemload09:50:123
50409960,3cyclictest0-21swapper/312:13:493
50409960,2cyclictest0-21swapper/312:21:473
50409960,2cyclictest0-21swapper/309:10:343
50409960,1cyclictest0-21swapper/312:00:183
50319966,0cyclictest61650irq/122-eno112:01:052
50319966,0cyclictest61650irq/122-eno110:25:222
50319966,0cyclictest61650irq/122-eno109:03:312
50319966,0cyclictest61650irq/122-eno108:45:182
50319965,1cyclictest28-21ksoftirqd/208:00:182
50319965,1cyclictest28-21ksoftirqd/207:50:132
50319965,1cyclictest28-21ksoftirqd/207:35:162
50319964,1cyclictest28-21ksoftirqd/209:15:102
50319964,1cyclictest28-21ksoftirqd/207:25:132
50319963,2cyclictest14609-21sed08:35:142
50319960,5cyclictest0-21swapper/207:43:522
50319960,1cyclictest0-21swapper/209:05:162
50239961,5cyclictest0-21swapper/111:58:021
50239961,3cyclictest0-21swapper/109:13:551
50239960,6cyclictest0-21swapper/112:30:331
50239960,6cyclictest0-21swapper/112:05:131
50239960,6cyclictest0-21swapper/111:33:581
50239960,6cyclictest0-21swapper/110:28:031
50239960,6cyclictest0-21swapper/110:07:301
50239960,6cyclictest0-21swapper/109:57:051
50239960,6cyclictest0-21swapper/109:54:211
50239960,6cyclictest0-21swapper/109:42:211
50239960,6cyclictest0-21swapper/109:30:071
50239960,6cyclictest0-21swapper/109:30:071
50239960,6cyclictest0-21swapper/109:29:111
50239960,6cyclictest0-21swapper/107:30:011
50239960,6cyclictest0-21swapper/107:22:071
50239960,5cyclictest0-21swapper/111:35:161
50239960,5cyclictest0-21swapper/108:25:021
50239960,5cyclictest0-21swapper/108:20:191
50239960,4cyclictest0-21swapper/109:20:191
50239960,3cyclictest0-21swapper/111:12:391
50239960,3cyclictest0-21swapper/111:12:391
50239960,2cyclictest0-21swapper/108:10:111
50239960,1cyclictest0-21swapper/110:58:151
50239960,1cyclictest0-21swapper/108:30:191
50149965,1cyclictest9-21ksoftirqd/010:25:000
50149965,1cyclictest23497-21ssh09:45:060
50149965,1cyclictest11301-21snmpd07:47:340
50149962,2cyclictest240-21systemd-journal08:15:010
50149962,1cyclictest15351-21/usr/sbin/munin07:30:190
50149961,1cyclictest13236-21sshd08:30:470
50149960,6cyclictest0-21swapper/007:50:020
50149960,4cyclictest8651-21/usr/sbin/munin09:25:160
50149960,4cyclictest0-21swapper/009:05:120
50149960,3cyclictest15119-21latency_hist07:30:000
50149960,1cyclictest0-21swapper/008:20:100
50149960,1cyclictest0-21swapper/008:15:210
50149960,0cyclictest0-21swapper/011:05:170
50149960,0cyclictest0-21swapper/008:45:120
50149960,0cyclictest0-21swapper/008:03:160
14695260,0sleep10-21swapper/110:17:281
50409955,0cyclictest13953-21kworker/3:108:40:293
50409954,1cyclictest35-21ksoftirqd/307:15:003
50409953,1cyclictest14667-21cat08:35:143
50409951,1cyclictest30093-21diskmemload12:30:033
50409950,5cyclictest0-21swapper/309:00:403
50409950,1cyclictest0-21swapper/310:35:123
50409950,1cyclictest0-21swapper/308:50:163
50409950,1cyclictest0-21swapper/307:45:123
50239954,0cyclictest0-21swapper/110:50:231
50239953,1cyclictest0-21swapper/107:29:051
50239952,3cyclictest0-21swapper/111:52:441
50239952,2cyclictest0-21swapper/112:10:111
50239951,1cyclictest0-21swapper/110:40:141
50239951,1cyclictest0-21swapper/109:15:121
50239951,0cyclictest0-21swapper/109:36:301
50239950,5cyclictest0-21swapper/112:35:321
50239950,5cyclictest0-21swapper/110:21:451
50239950,5cyclictest0-21swapper/108:57:181
50239950,5cyclictest0-21swapper/107:10:271
50239950,4cyclictest0-21swapper/112:15:151
50239950,4cyclictest0-21swapper/111:17:291
50239950,4cyclictest0-21swapper/111:00:121
50239950,4cyclictest0-21swapper/108:48:511
50239950,4cyclictest0-21swapper/108:40:001
50239950,3cyclictest0-21swapper/111:42:071
50239950,3cyclictest0-21swapper/111:22:271
50239950,2cyclictest0-21swapper/108:00:001
50239950,2cyclictest0-21swapper/107:15:011
50239950,1cyclictest0-21swapper/111:05:141
50239950,0cyclictest0-21swapper/112:28:101
50239950,0cyclictest0-21swapper/112:20:481
50409943,1cyclictest28248-21irqstats07:55:173
50409941,2cyclictest24990-21apt-get07:50:113
50239940,4cyclictest0-21swapper/108:51:421
50239940,4cyclictest0-21swapper/107:47:051
50239940,4cyclictest0-21swapper/107:44:321
50239940,4cyclictest0-21swapper/107:35:201
50239940,3cyclictest0-21swapper/110:00:531
50239940,3cyclictest0-21swapper/109:00:181
50239940,3cyclictest0-21swapper/108:05:171
50239940,2cyclictest0-21swapper/108:40:161
50239940,0cyclictest0-21swapper/108:01:391
50239931,1cyclictest0-21swapper/109:05:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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