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2026-09-04 - 23:19
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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 Fri Sep 04, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186102209158,25sleep30-21swapper/307:09:083
186792200162,24sleep10-21swapper/107:09:581
186582199160,25sleep20-21swapper/207:09:442
184432197159,24sleep00-21swapper/007:06:560
34722200,1sleep23473-21kernelversion11:15:132
1877299150,14cyclictest0-21swapper/109:45:151
18787991210,1cyclictest35-21ksoftirqd/311:59:593
18787991110,1cyclictest35-21ksoftirqd/307:15:013
1878799109,1cyclictest35-21ksoftirqd/312:27:223
1878799109,1cyclictest35-21ksoftirqd/309:20:003
1878799108,1cyclictest35-21ksoftirqd/312:05:003
1878799108,1cyclictest35-21ksoftirqd/307:24:593
1878099108,1cyclictest28-21ksoftirqd/208:55:002
1878099100,6cyclictest0-21swapper/210:25:152
187879999,0cyclictest35-21ksoftirqd/310:10:183
187879998,1cyclictest35-21ksoftirqd/310:32:453
187879998,1cyclictest35-21ksoftirqd/310:00:003
187879997,1cyclictest35-21ksoftirqd/307:35:293
187809997,1cyclictest28-21ksoftirqd/207:19:592
187639998,1cyclictest9-21ksoftirqd/010:45:030
187639998,1cyclictest9-21ksoftirqd/010:20:000
187639997,1cyclictest9-21ksoftirqd/008:50:000
187879987,1cyclictest35-21ksoftirqd/312:10:003
187879987,1cyclictest35-21ksoftirqd/310:50:003
187879987,1cyclictest35-21ksoftirqd/310:10:003
187879986,1cyclictest35-21ksoftirqd/309:20:133
187879986,1cyclictest11301-21snmpd10:35:573
187879986,1cyclictest11301-21snmpd09:25:463
187879986,1cyclictest11301-21snmpd09:11:343
187879982,4cyclictest557-21irqbalance10:28:263
187809987,1cyclictest28-21ksoftirqd/210:24:122
187809986,1cyclictest61650irq/122-eno111:50:302
187809986,1cyclictest61650irq/122-eno111:35:162
187809986,1cyclictest61650irq/122-eno110:55:012
187809986,1cyclictest61650irq/122-eno107:45:002
187809986,1cyclictest28-21ksoftirqd/208:00:002
187809986,1cyclictest1387-21sendmail-msp07:40:012
187809986,1cyclictest11301-21snmpd11:44:382
187809986,1cyclictest11301-21snmpd10:14:562
187809986,1cyclictest11301-21snmpd07:11:392
187809985,3cyclictest18759-21cyclictest12:20:462
187809985,2cyclictest11301-21snmpd11:28:442
187809981,6cyclictest0-21swapper/209:02:292
187809980,7cyclictest0-21swapper/209:51:092
187809980,7cyclictest0-21swapper/209:20:012
187729980,1cyclictest0-21swapper/112:21:051
187639987,1cyclictest9-21ksoftirqd/011:40:010
187639987,1cyclictest22828-21ssh10:10:200
187639987,1cyclictest11618-21diskmemload12:31:480
187639986,1cyclictest11301-21snmpd09:35:520
187639983,4cyclictest9-21ksoftirqd/010:24:100
187639981,6cyclictest9388-21ssh11:25:010
187639981,6cyclictest0-21swapper/007:14:540
187639981,1cyclictest0-21swapper/011:03:550
187639980,7cyclictest27476-21ntp_states12:35:150
187639980,5cyclictest6946-21sed09:00:000
187639980,3cyclictest0-21swapper/007:55:080
187639980,1cyclictest32523-21memory11:10:210
187639980,1cyclictest29582-21ssh11:52:120
187879976,1cyclictest35-21ksoftirqd/311:19:593
187879976,1cyclictest35-21ksoftirqd/311:05:123
187879976,1cyclictest35-21ksoftirqd/311:00:123
187879976,1cyclictest35-21ksoftirqd/311:00:013
187879976,1cyclictest35-21ksoftirqd/309:35:013
187879975,1cyclictest3627-21ssh09:42:423
187879975,1cyclictest35-21ksoftirqd/308:15:093
187879975,1cyclictest12019-21ssh11:27:283
187879975,1cyclictest11301-21snmpd07:43:443
187879973,1cyclictest27477-21ntp_states12:35:153
187879973,1cyclictest11618-21diskmemload11:45:513
187879972,2cyclictest11618-21diskmemload12:18:573
187879971,1cyclictest7254-21ntp_states11:20:193
187879970,5cyclictest11301-21snmpd09:00:283
187879970,3cyclictest0-21swapper/308:45:173
187879970,2cyclictest0-21swapper/312:14:333
187879970,2cyclictest0-21swapper/307:45:103
187879970,1cyclictest0-21swapper/312:30:093
187809977,0cyclictest0-21swapper/210:34:552
187809976,1cyclictest61650irq/122-eno112:12:222
187809976,1cyclictest61650irq/122-eno112:00:182
187809976,1cyclictest61650irq/122-eno111:55:192
187809976,1cyclictest61650irq/122-eno111:30:162
187809976,1cyclictest61650irq/122-eno111:02:202
187809976,1cyclictest61650irq/122-eno110:45:122
187809976,1cyclictest61650irq/122-eno110:39:582
187809976,1cyclictest61650irq/122-eno109:35:122
187809976,1cyclictest61650irq/122-eno109:11:502
187809976,1cyclictest28101-21ntpq07:25:172
187809976,1cyclictest28-21ksoftirqd/207:45:002
187809976,1cyclictest11301-21snmpd12:32:342
187809975,1cyclictest61650irq/122-eno112:25:252
187809975,1cyclictest61650irq/122-eno111:45:172
187809975,1cyclictest61650irq/122-eno110:55:162
187809975,1cyclictest61650irq/122-eno110:40:162
187809975,1cyclictest27650-21ntpq09:30:152
187809975,1cyclictest11301-21snmpd07:21:102
187809970,6cyclictest0-21swapper/211:20:052
187809970,6cyclictest0-21swapper/211:10:312
187809970,5cyclictest26225-21perf09:30:012
187809970,2cyclictest8637-21munin-run07:55:002
187809970,1cyclictest693-21runrttasks10:00:072
187809970,1cyclictest0-21swapper/209:42:352
187809970,1cyclictest0-21swapper/209:18:562
187809970,1cyclictest0-21swapper/207:31:402
187729974,3cyclictest0-21swapper/109:11:471
187729971,6cyclictest0-21swapper/111:59:491
187729971,6cyclictest0-21swapper/110:07:351
187729970,6cyclictest0-21swapper/112:25:071
187729970,6cyclictest0-21swapper/110:40:151
187729970,6cyclictest0-21swapper/108:29:101
187729970,5cyclictest0-21swapper/108:00:111
187729970,5cyclictest0-21swapper/108:00:111
187729970,4cyclictest0-21swapper/111:15:161
187729970,4cyclictest0-21swapper/111:10:161
187729970,4cyclictest0-21swapper/109:56:291
187729970,4cyclictest0-21swapper/109:50:121
187729970,4cyclictest0-21swapper/109:20:131
187729970,3cyclictest0-21swapper/108:30:111
187639976,1cyclictest7945-21cat10:35:160
187639976,1cyclictest6020-21systemctl09:45:180
187639976,1cyclictest27708-21ssh11:05:010
187639976,1cyclictest1747-21ntpd09:20:580
187639976,1cyclictest1747-21ntpd09:05:580
187639976,1cyclictest1747-21ntpd08:15:590
187639976,1cyclictest11301-21snmpd07:42:310
187639975,2cyclictest693-21runrttasks10:07:140
187639975,1cyclictest7290-21ssh12:06:040
187639975,1cyclictest14451-21basename08:05:150
187639975,1cyclictest11301-21snmpd09:11:490
187639973,0cyclictest0-21swapper/009:00:170
187639971,1cyclictest1498-21ssh11:59:590
187639970,6cyclictest3549-21apt-get10:30:090
187639970,6cyclictest28409-21ssh09:30:400
187639970,6cyclictest25640-21ssh11:45:410
187639970,6cyclictest22385-21ssh09:25:010
187639970,6cyclictest19429-21aten2.4-expect12:25:130
187639970,6cyclictest16509-21chrt09:15:160
187639970,6cyclictest12278-21ssh12:15:090
187639970,6cyclictest10542-21ssh10:40:110
187639970,1cyclictest3113-21ssh09:41:020
187639970,1cyclictest2999-21expr11:15:100
187639970,1cyclictest27128-21users08:30:210
187639970,1cyclictest22526-21cstates07:15:120
187639970,1cyclictest19437-21ssh10:50:450
187639970,1cyclictest18060-21ssh12:21:540
187639970,1cyclictest17758-21ssh10:03:200
187639970,1cyclictest11554-21ssh11:25:550
187639970,1cyclictest0-21swapper/010:55:150
187639970,1cyclictest0-21swapper/010:25:140
187639970,1cyclictest0-21swapper/009:55:190
187639970,1cyclictest0-21swapper/009:50:300
187639970,1cyclictest0-21swapper/007:25:130
187879966,0cyclictest35-21ksoftirqd/310:15:223
187879966,0cyclictest35-21ksoftirqd/308:40:143
187879965,1cyclictest6604-21sshd08:56:293
187879965,1cyclictest35-21ksoftirqd/309:35:123
187879965,1cyclictest35-21ksoftirqd/308:55:013
187879965,1cyclictest31224-21ssh10:21:453
187879965,1cyclictest22588-21ssh11:42:093
187879965,1cyclictest17557-21ssh10:02:403
187879965,1cyclictest16726-21ssh11:35:083
187879965,1cyclictest15135-21ssh11:30:363
187879965,1cyclictest11301-21snmpd08:37:523
187879965,1cyclictest11301-21snmpd08:34:423
187879965,1cyclictest11301-21snmpd08:28:063
187879965,1cyclictest11301-21snmpd07:28:173
187879964,1cyclictest16398-21grep12:20:163
187879964,1cyclictest11301-21snmpd09:06:323
187879962,1cyclictest11045-21df_inode10:40:143
187879960,6cyclictest11618-21diskmemload11:52:203
187879960,6cyclictest0-21swapper/309:46:403
187879960,2cyclictest0-21swapper/311:11:043
187879960,0cyclictest0-21swapper/309:54:043
187809966,0cyclictest61650irq/122-eno112:35:532
187809966,0cyclictest61650irq/122-eno112:15:072
187809966,0cyclictest61650irq/122-eno112:05:042
187809966,0cyclictest61650irq/122-eno109:45:192
187809966,0cyclictest61650irq/122-eno108:57:362
187809966,0cyclictest61650irq/122-eno108:40:262
187809966,0cyclictest61650irq/122-eno108:35:192
187809966,0cyclictest61650irq/122-eno108:14:242
187809966,0cyclictest61650irq/122-eno108:04:312
187809966,0cyclictest61650irq/122-eno108:04:302
187809965,1cyclictest28-21ksoftirqd/208:05:112
187809964,1cyclictest61650irq/122-eno109:05:192
187809964,1cyclictest0-21swapper/210:15:162
187809962,2cyclictest240-21systemd-journal08:33:092
187809960,6cyclictest0-21swapper/208:20:142
187809960,5cyclictest28690-21perl11:05:132
187809960,4cyclictest0-21swapper/210:05:012
187809960,4cyclictest0-21swapper/209:55:112
187729965,1cyclictest0-21swapper/110:49:221
187729965,1cyclictest0-21swapper/107:40:561
187729963,3cyclictest56-21kworker/1:112:33:191
187729963,3cyclictest0-21swapper/108:49:261
187729960,6cyclictest0-21swapper/111:54:271
187729960,6cyclictest0-21swapper/109:35:141
187729960,6cyclictest0-21swapper/109:00:131
187729960,6cyclictest0-21swapper/108:59:381
187729960,6cyclictest0-21swapper/107:10:331
187729960,5cyclictest0-21swapper/110:01:541
187729960,4cyclictest0-21swapper/112:12:591
187729960,4cyclictest0-21swapper/111:40:131
187729960,4cyclictest0-21swapper/110:18:091
187729960,3cyclictest0-21swapper/111:00:151
187729960,2cyclictest0-21swapper/109:15:161
187729960,1cyclictest0-21swapper/108:24:541
187729960,1cyclictest0-21swapper/107:27:561
187729960,0cyclictest0-21swapper/110:52:341
187729960,0cyclictest0-21swapper/110:33:271
187729960,0cyclictest0-21swapper/110:20:401
187639965,1cyclictest1805-21ssh12:00:100
187639965,0cyclictest1747-21ntpd08:25:580
187639964,1cyclictest9-21ksoftirqd/008:50:120
187639962,2cyclictest548-21systemd-logind07:30:170
187639961,1cyclictest6513-21/usr/sbin/munin07:50:140
187639960,6cyclictest0-21swapper/012:10:120
187639960,6cyclictest0-21swapper/008:35:120
187639960,5cyclictest0-21swapper/008:40:140
187639960,5cyclictest0-21swapper/008:20:110
187639960,0cyclictest11618-21diskmemload11:40:290
187639960,0cyclictest11618-21diskmemload11:30:160
187879954,1cyclictest35-21ksoftirqd/308:05:143
187879954,1cyclictest11301-21snmpd07:53:173
187879954,1cyclictest11301-21snmpd07:33:493
187879953,1cyclictest11414-21wc08:00:123
187879953,1cyclictest11414-21wc08:00:123
187879951,1cyclictest17789-21grep10:50:163
187879950,3cyclictest0-21swapper/307:55:123
187809955,0cyclictest61650irq/122-eno108:45:052
187809953,1cyclictest23533-21cat08:25:122
187809950,1cyclictest0-21swapper/208:15:132
187729955,0cyclictest0-21swapper/110:25:491
187729953,1cyclictest23118-21chrt10:56:251
187729952,3cyclictest21-21ksoftirqd/111:37:221
187729952,1cyclictest0-21swapper/111:47:501
187729951,4cyclictest0-21swapper/107:53:261
187729951,2cyclictest0-21swapper/109:30:101
187729951,2cyclictest0-21swapper/109:05:171
187729950,5cyclictest0-21swapper/112:07:431
187729950,5cyclictest0-21swapper/112:00:211
187729950,5cyclictest0-21swapper/110:35:541
187729950,5cyclictest0-21swapper/108:51:101
187729950,5cyclictest0-21swapper/108:40:191
187729950,5cyclictest0-21swapper/107:55:131
187729950,5cyclictest0-21swapper/107:45:181
187729950,4cyclictest0-21swapper/112:18:061
187729950,4cyclictest0-21swapper/111:25:121
187729950,1cyclictest0-21swapper/111:20:531
187729950,1cyclictest0-21swapper/109:40:111
187729950,0cyclictest0-21swapper/111:05:101
187729950,0cyclictest0-21swapper/108:16:571
187729950,0cyclictest0-21swapper/107:22:131
187639954,1cyclictest24748-21telnet07:20:130
187639954,1cyclictest13002-21sshd08:00:300
187639954,1cyclictest13002-21sshd08:00:300
187639950,5cyclictest0-21swapper/007:35:140
187879943,1cyclictest35-21ksoftirqd/308:10:113
187879943,1cyclictest22070-21idleruntime07:15:013
187879940,1cyclictest0-21swapper/308:20:183
187729941,2cyclictest0-21swapper/108:35:121
187729941,2cyclictest0-21swapper/107:35:161
187729941,1cyclictest0-21swapper/110:10:151
187729941,1cyclictest0-21swapper/109:25:101
187729941,1cyclictest0-21swapper/107:30:111
187729941,0cyclictest111rcu_preempt12:35:181
187729940,2cyclictest0-21swapper/107:15:131
187729940,1cyclictest0-21swapper/111:30:131
187729940,1cyclictest0-21swapper/108:05:181
187639944,0cyclictest0-21swapper/007:45:040
187639940,4cyclictest0-21swapper/008:10:120
187729931,1cyclictest0-21swapper/108:10:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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