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2026-09-04 - 11:03
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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 all highest latencies:
System rack1slot1.osadl.org (updated Fri Sep 04, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
421424950,6sleep121-21ksoftirqd/119:05:191
49882225149,60sleep00-21swapper/019:06:390
51422205154,21sleep20-21swapper/219:08:402
51582202163,25sleep30-21swapper/319:08:523
60672590,0sleep20-21swapper/221:20:142
5356991717,0cyclictest28-21ksoftirqd/221:30:192
5348991412,0cyclictest0-21swapper/121:50:141
135752130,0sleep1111rcu_preempt23:03:101
5356991212,0cyclictest28-21ksoftirqd/221:50:172
5356991210,1cyclictest28-21ksoftirqd/219:25:012
535699120,12cyclictest0-21swapper/221:17:532
534899120,12cyclictest0-21swapper/121:55:191
5340991211,1cyclictest9-21ksoftirqd/023:55:140
5356991110,1cyclictest28-21ksoftirqd/219:45:002
535699110,1cyclictest0-21swapper/222:44:262
5340991111,0cyclictest9-21ksoftirqd/023:25:000
5340991110,1cyclictest9-21ksoftirqd/000:15:000
536199100,7cyclictest9211-21apt-get20:25:123
535699109,1cyclictest28-21ksoftirqd/223:44:172
535699109,1cyclictest28-21ksoftirqd/219:35:002
535699108,1cyclictest28-21ksoftirqd/220:15:012
535699101,7cyclictest19274-21kworker/2:223:10:252
535699100,2cyclictest0-21swapper/222:45:182
534099109,1cyclictest9-21ksoftirqd/023:45:210
534099109,1cyclictest9-21ksoftirqd/023:05:130
534099109,1cyclictest9-21ksoftirqd/022:25:130
534099109,1cyclictest9-21ksoftirqd/022:10:160
534099108,1cyclictest9-21ksoftirqd/019:15:130
53619998,1cyclictest30410-21diskmemload23:47:473
53619992,3cyclictest733-21sshd22:30:293
53569999,0cyclictest28-21ksoftirqd/223:05:132
53569999,0cyclictest0-21swapper/223:55:572
53569999,0cyclictest0-21swapper/222:52:362
53569999,0cyclictest0-21swapper/219:27:262
53569998,1cyclictest28-21ksoftirqd/222:20:002
53569997,1cyclictest28-21ksoftirqd/200:30:162
53569996,1cyclictest61650irq/122-eno120:00:002
53569996,1cyclictest0-21swapper/200:11:152
53489990,8cyclictest0-21swapper/123:17:391
53489990,8cyclictest0-21swapper/122:52:421
53489990,8cyclictest0-21swapper/119:15:021
53489990,7cyclictest0-21swapper/123:24:011
53409999,0cyclictest9-21ksoftirqd/022:05:020
53409999,0cyclictest9-21ksoftirqd/021:45:190
53409999,0cyclictest9-21ksoftirqd/021:15:110
53409998,1cyclictest9-21ksoftirqd/022:35:130
53409998,1cyclictest9-21ksoftirqd/021:55:190
53409998,1cyclictest9-21ksoftirqd/020:35:000
53409998,1cyclictest9-21ksoftirqd/019:55:150
53409998,0cyclictest9-21ksoftirqd/021:50:160
53409990,8cyclictest5334-21cyclictest22:56:370
53409990,7cyclictest0-21swapper/000:04:240
53409990,5cyclictest3727-21perf22:50:010
53619987,1cyclictest3096-21ntp_kernel_err21:15:183
53619986,1cyclictest35-21ksoftirqd/321:05:003
53619986,1cyclictest35-21ksoftirqd/320:05:003
53619983,4cyclictest18728-21nscd00:18:573
53619983,4cyclictest13237-21apt-get00:35:133
53619982,5cyclictest1-21systemd23:12:083
53619981,5cyclictest0-21swapper/322:39:543
53619980,7cyclictest0-21swapper/319:15:463
53619980,4cyclictest0-21swapper/323:17:553
53569987,1cyclictest28-21ksoftirqd/221:40:162
53569987,1cyclictest28-21ksoftirqd/221:40:162
53569980,7cyclictest0-21swapper/223:32:522
53569980,7cyclictest0-21swapper/222:31:182
53569980,7cyclictest0-21swapper/222:20:052
53569980,7cyclictest0-21swapper/221:46:152
53569980,7cyclictest0-21swapper/200:07:062
53569980,7cyclictest0-21swapper/200:01:222
53569980,0cyclictest0-21swapper/222:10:042
53489980,8cyclictest0-21swapper/121:26:491
53489980,8cyclictest0-21swapper/100:05:031
53489980,7cyclictest0-21swapper/121:45:091
53409988,0cyclictest9-21ksoftirqd/023:25:200
53409988,0cyclictest9-21ksoftirqd/022:40:150
53409988,0cyclictest9-21ksoftirqd/019:50:140
53409987,1cyclictest9-21ksoftirqd/023:10:180
53409987,1cyclictest9-21ksoftirqd/022:35:010
53409987,1cyclictest9-21ksoftirqd/022:20:130
53409987,1cyclictest9-21ksoftirqd/022:20:010
53409987,1cyclictest9-21ksoftirqd/021:41:100
53409987,1cyclictest9-21ksoftirqd/021:41:100
53409987,1cyclictest9-21ksoftirqd/000:20:000
53409986,2cyclictest9-21ksoftirqd/022:50:170
53409986,1cyclictest9-21ksoftirqd/023:00:210
53409986,1cyclictest9-21ksoftirqd/021:31:200
53409986,1cyclictest9-21ksoftirqd/020:10:000
53409986,1cyclictest11301-21snmpd20:48:260
53409981,6cyclictest28081-21ls21:05:000
53409981,2cyclictest6273-21aten2.4-expect00:25:110
53409981,1cyclictest8644-21ssh21:24:220
53409980,1cyclictest441-21smartctl00:15:200
53409980,1cyclictest0-21swapper/021:05:110
53409980,0cyclictest0-21swapper/020:50:190
26596286,1sleep228-21ksoftirqd/221:00:172
53619976,1cyclictest35-21ksoftirqd/319:30:013
53619976,1cyclictest35-21ksoftirqd/319:25:003
53619976,1cyclictest11301-21snmpd23:55:113
53619976,1cyclictest11301-21snmpd23:39:163
53619976,1cyclictest11301-21snmpd23:25:163
53619976,1cyclictest11301-21snmpd21:10:143
53619976,1cyclictest11301-21snmpd20:45:393
53619976,1cyclictest11301-21snmpd20:08:403
53619976,1cyclictest11301-21snmpd19:44:123
53619975,1cyclictest7785-21ssh21:21:403
53619975,1cyclictest6860-21ssh22:54:063
53619975,1cyclictest4561-21sshd00:20:293
53619975,1cyclictest35-21ksoftirqd/320:52:383
53619975,1cyclictest35-21ksoftirqd/320:38:293
53619975,1cyclictest26873-21ssh00:07:593
53619975,1cyclictest1747-21ntpd19:50:593
53619975,1cyclictest1296-21ssh22:00:053
53619975,1cyclictest12642-21cat20:30:153
53619975,1cyclictest11301-21snmpd22:11:103
53619975,1cyclictest11301-21snmpd21:55:133
53619974,2cyclictest11301-21snmpd19:38:273
53619974,1cyclictest30410-21diskmemload23:51:213
53619970,4cyclictest0-21swapper/322:20:153
53619970,4cyclictest0-21swapper/322:18:013
53619970,4cyclictest0-21swapper/321:47:513
53619970,3cyclictest0-21swapper/321:28:043
53619970,3cyclictest0-21swapper/319:10:173
53619970,3cyclictest0-21swapper/300:11:583
53569977,0cyclictest28-21ksoftirqd/222:05:012
53569977,0cyclictest28-21ksoftirqd/200:20:172
53569977,0cyclictest0-21swapper/223:19:212
53569976,1cyclictest61650irq/122-eno123:22:402
53569976,1cyclictest28-21ksoftirqd/221:39:082
53569976,1cyclictest28-21ksoftirqd/220:55:202
53569976,1cyclictest28-21ksoftirqd/219:10:122
53569976,1cyclictest11301-21snmpd22:56:582
53569976,0cyclictest61650irq/122-eno121:05:182
53569976,0cyclictest61650irq/122-eno100:35:172
53569975,1cyclictest28-21ksoftirqd/220:10:002
53569975,1cyclictest11301-21snmpd20:01:302
53569971,2cyclictest0-21swapper/200:15:122
53569970,7cyclictest0-21swapper/222:38:082
53569970,7cyclictest0-21swapper/221:58:162
53569970,7cyclictest0-21swapper/221:27:062
53569970,7cyclictest0-21swapper/221:14:362
53569970,7cyclictest0-21swapper/219:45:172
53569970,7cyclictest0-21swapper/200:27:212
53569970,6cyclictest0-21swapper/223:50:052
53569970,6cyclictest0-21swapper/223:47:222
53569970,6cyclictest0-21swapper/223:25:022
53569970,6cyclictest0-21swapper/222:25:322
53569970,6cyclictest0-21swapper/222:02:512
53489970,7cyclictest0-21swapper/123:57:111
53489970,7cyclictest0-21swapper/123:45:481
53489970,7cyclictest0-21swapper/123:40:311
53489970,7cyclictest0-21swapper/123:35:071
53489970,7cyclictest0-21swapper/123:32:171
53489970,7cyclictest0-21swapper/123:27:071
53489970,7cyclictest0-21swapper/123:07:381
53489970,7cyclictest0-21swapper/122:46:151
53489970,7cyclictest0-21swapper/122:35:211
53489970,7cyclictest0-21swapper/122:31:271
53489970,7cyclictest0-21swapper/122:25:591
53489970,7cyclictest0-21swapper/122:22:451
53489970,7cyclictest0-21swapper/122:18:471
53489970,7cyclictest0-21swapper/122:10:041
53489970,7cyclictest0-21swapper/122:06:531
53489970,7cyclictest0-21swapper/122:01:071
53489970,7cyclictest0-21swapper/121:41:561
53489970,7cyclictest0-21swapper/121:41:551
53489970,7cyclictest0-21swapper/121:35:331
53489970,7cyclictest0-21swapper/121:30:521
53489970,7cyclictest0-21swapper/121:20:211
53489970,7cyclictest0-21swapper/121:17:141
53489970,7cyclictest0-21swapper/121:10:391
53489970,7cyclictest0-21swapper/120:24:461
53489970,7cyclictest0-21swapper/100:35:521
53489970,7cyclictest0-21swapper/100:30:011
53489970,7cyclictest0-21swapper/100:26:011
53489970,7cyclictest0-21swapper/100:12:591
53489970,7cyclictest0-21swapper/100:00:021
53489970,6cyclictest0-21swapper/123:50:191
53489970,6cyclictest0-21swapper/123:10:001
53489970,0cyclictest0-21swapper/122:58:371
53489970,0cyclictest0-21swapper/100:21:181
53489970,0cyclictest0-21swapper/100:15:191
53409976,1cyclictest9-21ksoftirqd/020:25:130
53409976,1cyclictest9-21ksoftirqd/019:25:140
53409976,1cyclictest30410-21diskmemload23:31:270
53409975,1cyclictest9-21ksoftirqd/000:35:120
53409975,1cyclictest15675-21expr20:35:210
53409975,1cyclictest11301-21snmpd23:50:110
53409975,1cyclictest11301-21snmpd19:31:480
53409975,1cyclictest10470-21perl00:30:180
53409974,1cyclictest240-21systemd-journal19:50:000
53409971,6cyclictest0-21swapper/019:44:180
53409971,5cyclictest17725-21ssh21:35:190
53409970,7cyclictest101rcuc/019:35:180
53409970,6cyclictest3466-21ssh23:35:140
53409970,6cyclictest24569-21cpuspeed_turbos00:05:130
53409970,6cyclictest2312-21latency22:00:170
53409970,6cyclictest21390-21apt23:15:110
53409970,6cyclictest0-21swapper/020:55:130
53409970,2cyclictest0-21swapper/021:25:160
53409970,1cyclictest18616-21grep20:45:010
53409970,1cyclictest0-21swapper/021:10:230
53619965,1cyclictest7733-21cat20:20:163
53619965,1cyclictest5014-21ssh22:05:103
53619965,1cyclictest2750-21ssh22:46:583
53619965,1cyclictest23252-21kworker/3:019:56:543
53619965,1cyclictest15174-21ssh21:32:163
53619964,1cyclictest35-21ksoftirqd/320:55:113
53619964,1cyclictest29444-21ntpq21:05:173
53619964,1cyclictest22024-21ssh21:41:493
53619964,1cyclictest22024-21ssh21:41:483
53619964,1cyclictest1747-21ntpd19:30:583
53619964,1cyclictest11301-21snmpd23:02:093
53619964,1cyclictest11301-21snmpd19:46:063
53619964,1cyclictest11301-21snmpd00:25:453
53619962,3cyclictest0-21swapper/322:40:133
53619962,2cyclictest20790-21apt-get00:00:123
53619961,3cyclictest32275-21apt-get23:30:163
53619960,5cyclictest18064-21/usr/sbin/munin20:40:193
53619960,4cyclictest0-21swapper/323:40:163
53619960,4cyclictest0-21swapper/300:30:123
53619960,3cyclictest0-21swapper/323:23:353
53619960,3cyclictest0-21swapper/322:55:433
53619960,2cyclictest17965-21/usr/sbin/munin21:35:203
53619960,2cyclictest0-21swapper/322:28:123
53619960,2cyclictest0-21swapper/321:50:513
53569966,0cyclictest61650irq/122-eno120:47:082
53569966,0cyclictest61650irq/122-eno120:40:102
53569966,0cyclictest61650irq/122-eno120:31:042
53569966,0cyclictest61650irq/122-eno120:20:152
53569966,0cyclictest61650irq/122-eno119:35:142
53569964,1cyclictest61650irq/122-eno123:00:142
53569960,6cyclictest0-21swapper/223:35:122
53569960,6cyclictest0-21swapper/219:54:572
53569960,2cyclictest0-21swapper/220:25:122
53569960,1cyclictest9076-21df19:15:122
53489961,3cyclictest0-21swapper/120:35:141
53489960,6cyclictest0-21swapper/120:50:191
53489960,6cyclictest0-21swapper/120:45:161
53489960,6cyclictest0-21swapper/120:41:311
53489960,6cyclictest0-21swapper/119:55:221
53489960,6cyclictest0-21swapper/119:40:221
53489960,1cyclictest0-21swapper/121:01:151
53489960,0cyclictest0-21swapper/122:40:221
53489960,0cyclictest0-21swapper/121:09:541
53489960,0cyclictest0-21swapper/120:55:191
53489960,0cyclictest0-21swapper/120:08:591
53409964,1cyclictest11301-21snmpd19:23:480
53409960,6cyclictest0-21swapper/023:40:090
53409960,6cyclictest0-21swapper/020:15:350
53409960,5cyclictest0-21swapper/020:00:120
53409960,3cyclictest7652-21grep20:20:150
53409960,0cyclictest0-21swapper/020:13:310
13307260,0sleep10-21swapper/120:30:191
53619951,1cyclictest3763-21tail20:10:203
53619950,3cyclictest0-21swapper/323:07:123
53569954,1cyclictest61650irq/122-eno120:15:112
53569954,1cyclictest28-21ksoftirqd/220:35:142
53569950,5cyclictest0-21swapper/220:50:152
53489950,5cyclictest0-21swapper/119:49:411
53489950,5cyclictest0-21swapper/119:39:401
53489950,5cyclictest0-21swapper/119:12:071
53489950,4cyclictest0-21swapper/120:03:011
53489950,1cyclictest0-21swapper/120:15:111
53489950,0cyclictest0-21swapper/119:34:391
53489950,0cyclictest0-21swapper/119:20:121
53409952,2cyclictest5842-21cpuspeed_turbos19:10:120
53619940,1cyclictest240-21systemd-journal20:15:023
53489941,1cyclictest0-21swapper/120:25:121
53489940,4cyclictest0-21swapper/120:11:551
53489940,1cyclictest0-21swapper/119:25:211
53489940,0cyclictest0-21swapper/119:50:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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