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2025-12-21 - 23:46
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sun Dec 21, 2025 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260012217157,46sleep10-21swapper/107:08:561
260442213155,25sleep00-21swapper/007:09:280
260772207169,25sleep30-21swapper/307:09:553
258082203163,26sleep20-21swapper/207:06:242
121382540,0sleep00-21swapper/011:10:150
73302160,0sleep30-21swapper/308:45:133
2619499130,0cyclictest0-21swapper/112:34:221
2619499130,0cyclictest0-21swapper/110:53:341
26215991212,0cyclictest35-21ksoftirqd/311:15:203
26215991211,1cyclictest35-21ksoftirqd/310:30:213
26215991211,1cyclictest35-21ksoftirqd/310:20:003
26215991211,1cyclictest35-21ksoftirqd/308:30:163
26215991211,1cyclictest35-21ksoftirqd/307:15:133
26203991210,1cyclictest28-21ksoftirqd/207:45:002
2619499120,0cyclictest0-21swapper/111:38:221
2619499120,0cyclictest0-21swapper/110:42:221
2619499120,0cyclictest0-21swapper/107:20:511
2621599119,1cyclictest35-21ksoftirqd/310:15:003
26215991111,0cyclictest35-21ksoftirqd/312:15:193
26215991111,0cyclictest35-21ksoftirqd/310:35:203
26215991111,0cyclictest35-21ksoftirqd/307:40:123
26215991110,1cyclictest35-21ksoftirqd/312:35:003
26215991110,1cyclictest35-21ksoftirqd/309:35:213
2621599109,1cyclictest35-21ksoftirqd/311:10:163
2621599108,1cyclictest35-21ksoftirqd/312:00:003
2621599108,1cyclictest35-21ksoftirqd/311:45:003
2621599108,1cyclictest35-21ksoftirqd/309:14:593
26215991010,0cyclictest35-21ksoftirqd/311:00:153
26215991010,0cyclictest35-21ksoftirqd/309:55:003
26215991010,0cyclictest35-21ksoftirqd/309:15:143
2620399109,1cyclictest28-21ksoftirqd/209:15:012
2620399109,1cyclictest28-21ksoftirqd/207:50:002
2620399109,1cyclictest0-21swapper/209:35:162
2620399108,1cyclictest28-21ksoftirqd/212:14:592
2620399108,1cyclictest28-21ksoftirqd/211:55:002
2620399108,1cyclictest28-21ksoftirqd/211:50:002
2619499101,8cyclictest21-21ksoftirqd/111:30:211
2618099102,4cyclictest22773-21apt-get11:35:010
2618099102,4cyclictest10816-21perf11:10:000
262159999,0cyclictest35-21ksoftirqd/309:05:223
262159999,0cyclictest35-21ksoftirqd/307:55:173
262159999,0cyclictest35-21ksoftirqd/307:25:143
262159999,0cyclictest35-21ksoftirqd/307:20:203
262159998,1cyclictest35-21ksoftirqd/311:10:003
262159998,1cyclictest35-21ksoftirqd/310:05:163
262159998,1cyclictest35-21ksoftirqd/308:10:003
262159998,1cyclictest13650irq/124-ahci[0009:00:003
262159998,0cyclictest35-21ksoftirqd/309:35:003
262159998,0cyclictest35-21ksoftirqd/307:35:153
262159997,1cyclictest35-21ksoftirqd/311:25:193
262159997,1cyclictest35-21ksoftirqd/310:55:003
262039998,1cyclictest28-21ksoftirqd/210:45:112
262039997,1cyclictest28-21ksoftirqd/209:45:152
262039997,1cyclictest28-21ksoftirqd/209:05:002
262039997,1cyclictest0-21swapper/212:00:002
262039996,1cyclictest28-21ksoftirqd/207:40:002
261949999,0cyclictest21-21ksoftirqd/109:33:581
261949998,1cyclictest21-21ksoftirqd/112:21:581
261949997,2cyclictest0-21swapper/112:05:121
261949997,2cyclictest0-21swapper/109:55:201
261949996,2cyclictest0-21swapper/111:15:211
261949992,0cyclictest111rcu_preempt09:16:351
261949991,8cyclictest21-21ksoftirqd/112:35:191
261949991,2cyclictest21-21ksoftirqd/107:35:211
261949991,1cyclictest21-21ksoftirqd/107:15:171
261949990,8cyclictest21-21ksoftirqd/110:55:251
261949990,8cyclictest111rcu_preempt12:00:131
261949990,8cyclictest111rcu_preempt11:40:031
261949990,2cyclictest21-21ksoftirqd/108:15:191
261809998,1cyclictest9842-21perf12:14:590
261809997,1cyclictest9-21ksoftirqd/008:25:090
261809997,1cyclictest9-21ksoftirqd/007:40:000
262159988,0cyclictest35-21ksoftirqd/309:25:113
262159988,0cyclictest35-21ksoftirqd/307:45:213
262159987,1cyclictest5403-21diskstats08:40:143
262159987,1cyclictest35-21ksoftirqd/312:05:003
262159987,1cyclictest35-21ksoftirqd/311:45:133
262159987,1cyclictest35-21ksoftirqd/310:00:003
262159987,1cyclictest35-21ksoftirqd/308:20:173
262159986,1cyclictest35-21ksoftirqd/311:30:203
262159986,1cyclictest35-21ksoftirqd/311:25:003
262159986,1cyclictest35-21ksoftirqd/310:55:123
262159986,1cyclictest35-21ksoftirqd/309:45:203
262159980,7cyclictest35-21ksoftirqd/307:55:003
262159980,7cyclictest25561-21cat11:40:003
262159980,2cyclictest0-21swapper/310:45:113
262039987,1cyclictest28-21ksoftirqd/210:05:152
262039987,1cyclictest28-21ksoftirqd/208:55:002
262039986,1cyclictest28-21ksoftirqd/210:35:142
262039986,1cyclictest28-21ksoftirqd/208:40:002
261949988,0cyclictest21-21ksoftirqd/111:55:521
261949988,0cyclictest21-21ksoftirqd/110:25:181
261949988,0cyclictest21-21ksoftirqd/109:40:451
261949988,0cyclictest21-21ksoftirqd/109:20:001
261949988,0cyclictest111rcu_preempt12:10:191
261949988,0cyclictest111rcu_preempt08:10:111
261949988,0cyclictest0-21swapper/109:10:011
261949988,0cyclictest0-21swapper/108:45:131
261949987,1cyclictest21-21ksoftirqd/108:05:121
261949987,1cyclictest0-21swapper/111:45:121
261949987,1cyclictest0-21swapper/110:30:011
261949987,1cyclictest0-21swapper/110:20:121
261949987,0cyclictest111rcu_preempt10:00:211
261949985,3cyclictest201rcuc/107:30:161
261949980,8cyclictest211ksoftirqd/109:36:411
261949980,8cyclictest21-21ksoftirqd/112:25:581
261949980,8cyclictest21-21ksoftirqd/111:50:371
261949980,8cyclictest21-21ksoftirqd/111:10:011
261949980,8cyclictest21-21ksoftirqd/111:05:051
261949980,8cyclictest21-21ksoftirqd/109:50:011
261949980,8cyclictest21-21ksoftirqd/107:45:091
261949980,8cyclictest21-21ksoftirqd/107:25:231
261949980,8cyclictest111rcu_preempt12:15:031
261949980,8cyclictest111rcu_preempt11:25:071
261949980,8cyclictest111rcu_preempt11:20:391
261949980,8cyclictest111rcu_preempt09:25:211
261949980,8cyclictest111rcu_preempt09:00:371
261949980,8cyclictest111rcu_preempt08:55:151
261949980,8cyclictest111rcu_preempt08:30:201
261949980,8cyclictest111rcu_preempt07:50:511
261949980,8cyclictest111rcu_preempt07:41:071
261949980,8cyclictest0-21swapper/110:46:531
261949980,8cyclictest0-21swapper/110:38:071
261949980,8cyclictest0-21swapper/110:10:111
261949980,8cyclictest0-21swapper/108:40:431
261949980,8cyclictest0-21swapper/108:35:521
261949980,8cyclictest0-21swapper/108:00:191
261949980,8cyclictest0-21swapper/107:10:031
261949980,7cyclictest21-21ksoftirqd/108:20:171
261949980,1cyclictest21-21ksoftirqd/110:05:191
261949980,1cyclictest21-21ksoftirqd/109:45:221
261949980,1cyclictest21-21ksoftirqd/108:25:061
261949980,0cyclictest211ksoftirqd/109:05:151
261949980,0cyclictest211ksoftirqd/108:50:471
261949980,0cyclictest21-21ksoftirqd/111:00:201
261949980,0cyclictest111rcu_preempt10:15:451
261809987,1cyclictest707-21snmpd08:40:090
261809986,1cyclictest9-21ksoftirqd/009:30:000
261809986,1cyclictest707-21snmpd12:31:290
261809986,1cyclictest707-21snmpd12:23:590
261809986,1cyclictest707-21snmpd11:28:370
261809986,1cyclictest707-21snmpd10:53:020
261809986,1cyclictest707-21snmpd09:57:150
261809986,1cyclictest571-21nscd08:35:170
261809984,0cyclictest0-21swapper/008:10:190
261809982,1cyclictest3931-21/usr/sbin/munin10:55:120
261809981,4cyclictest15664-21sed07:55:000
261809980,7cyclictest0-21swapper/011:45:130
261809980,1cyclictest20914-21aten2.4-expect08:05:130
262159977,0cyclictest35-21ksoftirqd/310:40:133
262159977,0cyclictest35-21ksoftirqd/307:15:003
262159976,1cyclictest35-21ksoftirqd/312:35:183
262159976,1cyclictest35-21ksoftirqd/312:05:143
262159976,1cyclictest35-21ksoftirqd/311:50:213
262159976,1cyclictest35-21ksoftirqd/310:25:153
262159976,1cyclictest35-21ksoftirqd/310:25:003
262159976,1cyclictest35-21ksoftirqd/308:50:123
262159976,1cyclictest35-21ksoftirqd/308:25:133
262159976,1cyclictest35-21ksoftirqd/308:19:593
262159976,1cyclictest35-21ksoftirqd/308:10:153
262159976,1cyclictest35-21ksoftirqd/307:30:163
262159975,1cyclictest35-21ksoftirqd/312:20:133
262159975,1cyclictest35-21ksoftirqd/312:10:113
262159975,1cyclictest35-21ksoftirqd/308:35:163
262159970,7cyclictest0-21swapper/309:20:163
262159970,7cyclictest0-21swapper/308:02:063
262039976,1cyclictest61650irq/122-eno108:10:172
262039976,1cyclictest28-21ksoftirqd/211:20:112
262039976,1cyclictest28-21ksoftirqd/209:55:002
262039976,1cyclictest28-21ksoftirqd/208:40:122
262039975,1cyclictest707-21snmpd10:55:292
262039975,1cyclictest707-21snmpd08:27:222
262039975,1cyclictest28-21ksoftirqd/212:20:132
262039975,1cyclictest28-21ksoftirqd/210:40:192
262039975,1cyclictest28-21ksoftirqd/209:30:142
262039975,1cyclictest28-21ksoftirqd/208:05:012
262039974,2cyclictest20010-21diskstats12:35:152
262039973,2cyclictest1788-21telnet07:25:132
262039970,6cyclictest0-21swapper/208:46:132
261949977,0cyclictest0-21swapper/107:55:011
261809976,1cyclictest20201-21ntp_states09:10:180
261809976,1cyclictest17067-21rt-features11:20:190
261809975,1cyclictest707-21snmpd12:36:150
261809975,1cyclictest707-21snmpd12:05:080
261809975,1cyclictest707-21snmpd11:55:370
261809975,1cyclictest707-21snmpd10:42:290
261809975,1cyclictest707-21snmpd10:08:280
261809975,1cyclictest707-21snmpd07:42:320
261809974,2cyclictest30009-21turbostat08:25:000
261809970,6cyclictest486-21expr08:30:130
261809970,6cyclictest0-21swapper/007:55:270
261809970,1cyclictest3768-21sshd07:29:130
261809970,1cyclictest3373-21fschecks_count12:00:160
261809970,1cyclictest15159-21sed09:00:150
261809970,1cyclictest0-21swapper/010:40:010
262159966,0cyclictest35-21ksoftirqd/309:00:203
262159965,1cyclictest35-21ksoftirqd/312:25:183
262159965,1cyclictest35-21ksoftirqd/310:00:143
262159965,1cyclictest35-21ksoftirqd/309:40:143
262039966,0cyclictest61650irq/122-eno112:05:192
262039966,0cyclictest61650irq/122-eno111:30:172
262039966,0cyclictest61650irq/122-eno111:05:182
262039966,0cyclictest61650irq/122-eno110:50:182
262039966,0cyclictest61650irq/122-eno110:27:222
262039966,0cyclictest61650irq/122-eno109:57:372
262039966,0cyclictest61650irq/122-eno109:40:202
262039966,0cyclictest61650irq/122-eno109:25:112
262039966,0cyclictest61650irq/122-eno108:15:132
262039966,0cyclictest28-21ksoftirqd/212:00:012
262039966,0cyclictest28-21ksoftirqd/211:30:012
262039965,1cyclictest707-21snmpd10:30:262
262039965,1cyclictest61650irq/122-eno108:05:122
262039965,1cyclictest61650irq/122-eno107:30:152
262039965,1cyclictest28-21ksoftirqd/211:35:002
262039965,1cyclictest28-21ksoftirqd/211:10:122
262039965,1cyclictest28-21ksoftirqd/209:20:002
262039965,1cyclictest28-21ksoftirqd/209:15:122
262039965,1cyclictest28-21ksoftirqd/207:15:012
262039964,1cyclictest707-21snmpd08:24:132
262039964,1cyclictest61650irq/122-eno107:10:192
262039964,1cyclictest28-21ksoftirqd/212:15:132
262039964,1cyclictest28-21ksoftirqd/210:15:172
262039964,1cyclictest28-21ksoftirqd/210:00:152
262039964,1cyclictest28-21ksoftirqd/208:55:152
262039964,1cyclictest1037-21cat08:30:162
262039963,2cyclictest16074-21uname12:25:182
262039960,6cyclictest0-21swapper/211:04:112
262039960,5cyclictest0-21swapper/212:33:202
262039960,5cyclictest0-21swapper/207:20:022
262039960,1cyclictest0-21swapper/211:40:112
262039960,1cyclictest0-21swapper/210:21:282
262039960,0cyclictest0-21swapper/207:55:222
261809964,1cyclictest19404-21chrt08:00:180
261809964,1cyclictest15464-21fschecks_time12:25:140
261809963,1cyclictest23476-21proc_pri10:25:190
261809961,4cyclictest28527-21munin-node09:50:110
261809960,6cyclictest23522-21apt-get09:20:000
261809960,6cyclictest0-21swapper/011:42:400
261809960,6cyclictest0-21swapper/010:32:050
261809960,6cyclictest0-21swapper/010:00:200
261809960,6cyclictest0-21swapper/009:47:270
261809960,6cyclictest0-21swapper/009:30:140
261809960,6cyclictest0-21swapper/009:08:260
261809960,2cyclictest0-21swapper/007:15:010
261809960,1cyclictest21485-21telnet09:15:130
261809960,1cyclictest0-21swapper/007:45:140
261809960,0cyclictest0-21swapper/012:16:090
261809960,0cyclictest0-21swapper/011:35:520
261809960,0cyclictest0-21swapper/010:20:160
261809960,0cyclictest0-21swapper/010:10:170
261809960,0cyclictest0-21swapper/008:46:000
261809960,0cyclictest0-21swapper/008:15:190
262039955,0cyclictest61650irq/122-eno107:50:012
262039954,0cyclictest28-21ksoftirqd/211:15:142
262039953,1cyclictest28-21ksoftirqd/209:05:172
262039950,1cyclictest0-21swapper/210:10:162
261809953,1cyclictest9860-21cut08:50:130
261809953,1cyclictest9-21ksoftirqd/007:35:000
261809953,1cyclictest707-21snmpd08:58:340
261809950,5cyclictest0-21swapper/007:10:130
261809950,4cyclictest31647-21/usr/sbin/munin10:45:140
261809950,3cyclictest0-21swapper/007:20:110
261809950,1cyclictest0-21swapper/010:15:140
261809950,0cyclictest0-21swapper/011:50:180
261809950,0cyclictest0-21swapper/011:17:200
261809950,0cyclictest0-21swapper/011:00:160
261809950,0cyclictest0-21swapper/009:40:190
261809950,0cyclictest0-21swapper/009:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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