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2026-03-26 - 20:52
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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 Thu Mar 26, 2026 12:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94862230157,24sleep00-21swapper/007:09:170
92942216153,50sleep20-21swapper/207:06:492
93352210156,42sleep10-21swapper/107:07:211
74282198159,25sleep30-21swapper/307:05:063
105272690,5sleep09-21ksoftirqd/008:15:170
235552170,0sleep10-21swapper/107:35:161
151892160,1sleep015190-21needreboot12:10:180
9636991513,1cyclictest9-21ksoftirqd/009:20:000
9636991211,1cyclictest9-21ksoftirqd/010:15:010
9636991210,1cyclictest9-21ksoftirqd/011:55:010
963699113,4cyclictest240-21systemd-journal10:10:000
9636991110,1cyclictest9-21ksoftirqd/008:40:010
966099109,1cyclictest35-21ksoftirqd/307:55:003
9652991010,0cyclictest0-21swapper/208:10:182
965299100,1cyclictest24662-21hddtemp_smartct09:35:132
964699100,6cyclictest0-21swapper/110:23:111
963699102,4cyclictest1428-21latency_hist10:29:590
963699100,5cyclictest6106-21perf12:00:010
96609998,1cyclictest35-21ksoftirqd/312:40:003
96609990,8cyclictest0-21swapper/309:29:553
96529993,6cyclictest31752-21kworker/u8:011:11:182
96529990,9cyclictest0-21swapper/209:26:302
96529990,8cyclictest19872-21latency_hist07:29:592
96529990,7cyclictest11999-21munin-node08:53:452
96369998,1cyclictest9-21ksoftirqd/009:28:010
96369997,1cyclictest9-21ksoftirqd/009:40:000
96369997,1cyclictest9-21ksoftirqd/007:45:000
96369997,1cyclictest9-21ksoftirqd/007:30:100
96369990,3cyclictest0-21swapper/007:50:190
96609988,0cyclictest35-21ksoftirqd/311:33:043
96609986,1cyclictest707-21snmpd09:58:043
96609986,1cyclictest707-21snmpd08:35:143
96609986,1cyclictest707-21snmpd07:19:023
96609982,1cyclictest3519-21diskmemload11:29:593
96609980,3cyclictest707-21snmpd10:50:053
96529986,1cyclictest707-21snmpd12:22:302
96529986,1cyclictest707-21snmpd11:30:292
96529986,1cyclictest707-21snmpd11:02:452
96529986,1cyclictest707-21snmpd10:41:142
96529986,1cyclictest707-21snmpd10:22:012
96529986,1cyclictest707-21snmpd08:31:262
96529986,1cyclictest61650irq/122-eno112:15:112
96529986,1cyclictest61650irq/122-eno110:15:202
96529986,1cyclictest61650irq/122-eno108:40:002
96529986,1cyclictest1747-21ntpd09:15:582
96529980,8cyclictest0-21swapper/209:34:352
96529980,5cyclictest707-21snmpd10:30:452
96369986,1cyclictest9-21ksoftirqd/009:00:000
96369986,1cyclictest707-21snmpd10:37:150
96369984,3cyclictest3519-21diskmemload12:38:260
96369984,2cyclictest240-21systemd-journal09:10:010
96369980,7cyclictest0-21swapper/010:16:320
96369980,7cyclictest0-21swapper/009:40:210
96369980,6cyclictest21851-21hostname12:20:100
96369980,4cyclictest20638-21latency_hist10:55:010
96609976,1cyclictest707-21snmpd11:50:103
96609976,1cyclictest707-21snmpd10:39:413
96609976,1cyclictest707-21snmpd09:04:513
96609976,1cyclictest707-21snmpd08:29:013
96609976,0cyclictest3519-21diskmemload11:07:003
96609975,1cyclictest707-21snmpd09:53:423
96609975,1cyclictest707-21snmpd07:57:303
96609975,1cyclictest24763-21apt-get11:00:113
96609975,1cyclictest2272-21cat09:05:143
96609974,1cyclictest3519-21diskmemload12:12:013
96609973,3cyclictest11999-21munin-node09:15:223
96609973,2cyclictest0-21swapper/307:15:003
96609970,6cyclictest19993-21kworker/u8:110:26:223
96609970,4cyclictest548-21systemd-logind07:45:203
96609970,2cyclictest0-21swapper/312:25:123
96529976,1cyclictest61650irq/122-eno112:11:322
96529976,1cyclictest61650irq/122-eno111:49:382
96529976,1cyclictest61650irq/122-eno111:20:102
96529976,1cyclictest61650irq/122-eno109:59:272
96529976,1cyclictest61650irq/122-eno109:52:252
96529976,1cyclictest61650irq/122-eno109:10:482
96529976,0cyclictest61650irq/122-eno112:05:132
96529976,0cyclictest61650irq/122-eno111:40:092
96529976,0cyclictest1747-21ntpd10:05:592
96529975,1cyclictest707-21snmpd12:33:182
96529975,1cyclictest707-21snmpd11:51:172
96529975,1cyclictest707-21snmpd10:03:432
96529975,1cyclictest707-21snmpd10:03:432
96529975,1cyclictest61650irq/122-eno111:15:132
96529975,1cyclictest61650irq/122-eno111:05:102
96529975,1cyclictest61650irq/122-eno109:45:222
96529975,1cyclictest11694-21awk08:20:012
96529972,2cyclictest14256-21memory10:45:172
96529972,1cyclictest0-21swapper/212:02:052
96529970,1cyclictest707-21snmpd10:55:042
96469971,6cyclictest0-21swapper/111:37:371
96469971,3cyclictest0-21swapper/112:25:181
96469971,1cyclictest0-21swapper/108:54:281
96469970,6cyclictest0-21swapper/109:20:031
96469970,5cyclictest0-21swapper/109:58:091
96469970,4cyclictest0-21swapper/110:55:111
96469970,4cyclictest0-21swapper/110:00:481
96469970,4cyclictest0-21swapper/110:00:481
96469970,1cyclictest0-21swapper/110:28:391
96469970,1cyclictest0-21swapper/108:57:111
96369976,1cyclictest9-21ksoftirqd/010:19:590
96369976,1cyclictest9-21ksoftirqd/007:20:120
96369976,1cyclictest20094-1kworker/u9:111:09:570
96369975,1cyclictest9-21ksoftirqd/008:50:110
96369975,1cyclictest707-21snmpd10:40:210
96369975,1cyclictest3744-21perl09:50:150
96369974,2cyclictest583-21in:imuxsock07:15:000
96369971,2cyclictest27168-21ssh11:45:120
96369970,6cyclictest8667-21ssh09:55:220
96369970,6cyclictest5853-21memory08:05:140
96369970,6cyclictest5853-21memory08:05:140
96369970,6cyclictest3740-1kworker/u9:009:20:160
96369970,6cyclictest3599-21ssh10:30:410
96369970,6cyclictest3519-21diskmemload12:31:090
96369970,6cyclictest28011-21ssh12:26:580
96369970,6cyclictest24338-21ntp_states11:40:160
96369970,6cyclictest23867-21chrt08:44:470
96369970,6cyclictest21676-21sed10:55:140
96369970,6cyclictest19274-21ssh11:35:110
96369970,6cyclictest16633-21ntp_states11:30:180
96369970,6cyclictest12546-21ssh11:25:160
96369970,6cyclictest0-21swapper/011:15:160
96369970,6cyclictest0-21swapper/011:10:110
96369970,6cyclictest0-21swapper/007:45:450
96369970,1cyclictest6295-21ssh12:00:010
96369970,1cyclictest3736-21ssh09:10:020
96369970,1cyclictest32724-21needreboot09:45:170
96369970,1cyclictest294-21systemd-udevd10:45:070
96369970,1cyclictest28506-21sed11:05:000
96369970,1cyclictest19735-21ssh12:15:270
96369970,1cyclictest10182-21ssh12:05:060
96609965,1cyclictest707-21snmpd11:15:403
96609965,1cyclictest707-21snmpd08:12:123
96609965,1cyclictest707-21snmpd08:01:343
96609965,1cyclictest707-21snmpd07:29:183
96609965,1cyclictest7052-21ssh09:14:113
96609965,1cyclictest4625-21ssh11:56:173
96609965,1cyclictest32108-21ssh12:32:363
96609965,1cyclictest27524-21ssh11:45:133
96609965,1cyclictest26828-21ssh09:38:223
96609965,1cyclictest26275-21ssh11:43:543
96609965,1cyclictest25230-21ssh10:18:193
96609965,1cyclictest23145-21ssh10:56:343
96609965,1cyclictest22483-21ssh09:32:153
96609965,1cyclictest21133-21ssh11:35:303
96609965,1cyclictest20346-21ssh12:17:043
96609965,1cyclictest19393-21ssh10:10:143
96609965,1cyclictest16549-21ssh10:05:413
96609965,1cyclictest12557-21ssh10:00:223
96609965,1cyclictest12557-21ssh10:00:223
96609965,1cyclictest11709-21ssh12:05:193
96609965,1cyclictest10621-21ssh11:23:123
96609964,1cyclictest707-21snmpd08:57:143
96609964,1cyclictest30572-21ssh09:43:043
96609964,1cyclictest26255-21idleruntime-cro08:50:003
96609964,1cyclictest23281-21grep07:35:143
96609964,1cyclictest15803-21fschecks_count07:20:143
96609963,2cyclictest9642-21cut10:40:133
96609963,1cyclictest240-21systemd-journal10:34:593
96609962,2cyclictest0-21swapper/309:20:153
96609960,6cyclictest0-21swapper/312:04:073
96609960,2cyclictest32470-21apt-get11:10:103
96609960,2cyclictest0-21swapper/309:47:063
96529966,0cyclictest61650irq/122-eno112:36:562
96529966,0cyclictest61650irq/122-eno112:25:082
96529966,0cyclictest61650irq/122-eno111:25:112
96529966,0cyclictest61650irq/122-eno110:35:062
96529966,0cyclictest61650irq/122-eno109:40:352
96529966,0cyclictest61650irq/122-eno109:20:152
96529966,0cyclictest61650irq/122-eno109:05:172
96529966,0cyclictest61650irq/122-eno108:49:052
96529966,0cyclictest61650irq/122-eno108:02:172
96529966,0cyclictest61650irq/122-eno107:46:012
96529966,0cyclictest61650irq/122-eno107:10:542
96529965,1cyclictest707-21snmpd08:42:222
96529965,1cyclictest61650irq/122-eno111:35:152
96529965,1cyclictest61650irq/122-eno110:50:032
96529965,1cyclictest3373-21ssh11:55:152
96529964,1cyclictest707-21snmpd08:25:342
96529964,1cyclictest61650irq/122-eno107:35:152
96529964,1cyclictest28-21ksoftirqd/208:24:592
96529961,4cyclictest0-21swapper/210:10:112
96529961,3cyclictest147632sleep207:17:132
96529961,3cyclictest0-21swapper/207:40:102
96529961,2cyclictest0-21swapper/210:25:102
96529960,6cyclictest0-21swapper/208:07:392
96529960,6cyclictest0-21swapper/208:07:392
96529960,6cyclictest0-21swapper/207:54:302
96529960,6cyclictest0-21swapper/207:30:182
96469965,1cyclictest0-21swapper/108:24:351
96469963,2cyclictest0-21swapper/112:35:111
96469961,3cyclictest0-21swapper/112:10:291
96469961,3cyclictest0-21swapper/111:47:391
96469961,3cyclictest0-21swapper/109:39:591
96469961,2cyclictest0-21swapper/111:30:001
96469961,2cyclictest0-21swapper/111:10:141
96469960,6cyclictest0-21swapper/112:15:081
96469960,6cyclictest0-21swapper/111:31:401
96469960,6cyclictest0-21swapper/111:03:461
96469960,6cyclictest0-21swapper/109:02:491
96469960,6cyclictest0-21swapper/108:48:071
96469960,6cyclictest0-21swapper/108:00:181
96469960,6cyclictest0-21swapper/107:52:011
96469960,5cyclictest6010-21chrt08:05:161
96469960,5cyclictest6010-21chrt08:05:161
96469960,5cyclictest0-21swapper/112:20:181
96469960,5cyclictest0-21swapper/112:09:201
96469960,5cyclictest0-21swapper/110:10:141
96469960,5cyclictest0-21swapper/109:44:101
96469960,5cyclictest0-21swapper/107:20:151
96469960,4cyclictest0-21swapper/112:00:581
96469960,4cyclictest0-21swapper/109:26:481
96469960,3cyclictest0-21swapper/111:55:231
96469960,3cyclictest0-21swapper/111:21:161
96469960,3cyclictest0-21swapper/110:55:001
96469960,3cyclictest0-21swapper/110:40:181
96469960,3cyclictest0-21swapper/109:49:211
96469960,2cyclictest0-21swapper/110:05:091
96469960,1cyclictest0-21swapper/111:40:111
96469960,1cyclictest0-21swapper/110:30:351
96369965,1cyclictest9353-21perf08:15:010
96369965,1cyclictest9-21ksoftirqd/011:20:120
96369965,1cyclictest9-21ksoftirqd/007:18:580
96369964,1cyclictest707-21snmpd08:21:100
96369964,1cyclictest10753-21/usr/sbin/munin10:00:150
96369964,1cyclictest10753-21/usr/sbin/munin10:00:140
96369963,2cyclictest24461-21cstates08:45:120
96369961,2cyclictest15308-21hddtemp_smartct08:25:140
96369960,6cyclictest0-21swapper/009:30:130
96369960,6cyclictest0-21swapper/009:03:030
96369960,6cyclictest0-21swapper/008:30:100
96369960,6cyclictest0-21swapper/007:27:260
96369960,0cyclictest0-21swapper/008:03:260
96369960,0cyclictest0-21swapper/007:57:210
96369960,0cyclictest0-21swapper/007:35:190
1104260,1sleep121-21ksoftirqd/107:55:141
9795250,0sleep10-21swapper/108:15:131
96609954,1cyclictest707-21snmpd07:42:373
96609952,1cyclictest12658-21/usr/sbin/munin08:20:153
96609950,5cyclictest0-21swapper/312:20:283
96609950,5cyclictest0-21swapper/310:20:143
96609950,5cyclictest0-21swapper/308:05:503
96609950,5cyclictest0-21swapper/308:05:493
96609950,3cyclictest0-21swapper/308:15:113
96609950,0cyclictest0-21swapper/310:45:243
96609950,0cyclictest0-21swapper/308:42:263
96529955,0cyclictest61650irq/122-eno108:55:142
96529955,0cyclictest61650irq/122-eno107:20:282
96529950,1cyclictest0-21swapper/209:00:162
96469955,0cyclictest0-21swapper/107:46:401
96469953,1cyclictest5510-21chrt10:35:101
96469950,5cyclictest0-21swapper/108:34:521
96469950,5cyclictest0-21swapper/107:25:571
96469950,5cyclictest0-21swapper/107:10:571
96469950,4cyclictest6248-21chrt11:16:511
96469950,3cyclictest0-21swapper/110:45:171
96469950,3cyclictest0-21swapper/107:41:171
96469950,2cyclictest0-21swapper/112:32:061
96469950,2cyclictest0-21swapper/111:50:441
96469950,2cyclictest0-21swapper/111:05:111
96469950,2cyclictest0-21swapper/110:16:331
96469950,2cyclictest0-21swapper/109:34:421
96469950,2cyclictest0-21swapper/109:11:581
96469950,1cyclictest0-21swapper/109:50:201
96609944,0cyclictest27887-21sensors08:50:193
96609943,1cyclictest21316-21ntp_states07:30:173
96609941,3cyclictest0-21swapper/308:30:173
96529944,0cyclictest61650irq/122-eno107:55:072
96469941,2cyclictest0-21swapper/108:25:141
96469941,1cyclictest0-21swapper/109:05:171
96469940,4cyclictest0-21swapper/108:35:181
96469940,2cyclictest0-21swapper/109:16:261
96469940,2cyclictest0-21swapper/107:30:011
96469940,1cyclictest0-21swapper/108:45:011
96469940,1cyclictest0-21swapper/108:10:121
96469940,1cyclictest0-21swapper/107:15:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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