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2025-12-13 - 15:36
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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 Sat Dec 13, 2025 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319612206150,43sleep20-21swapper/207:09:072
317462197159,25sleep10-21swapper/107:06:171
299192197159,25sleep30-21swapper/307:05:063
319142193155,24sleep00-21swapper/007:08:290
32164991312,1cyclictest23920-21df10:15:143
32132991311,1cyclictest9-21ksoftirqd/010:35:010
32132991210,1cyclictest9-21ksoftirqd/008:55:010
3215699115,5cyclictest27602-21cat08:05:162
32156991110,1cyclictest0-21swapper/207:45:152
3215699110,1cyclictest13749-21/usr/sbin/munin09:55:222
3213299113,4cyclictest5110-21latency_hist07:20:010
32132991111,0cyclictest0-21swapper/012:04:320
3216499109,1cyclictest35-21ksoftirqd/310:25:013
3215699108,1cyclictest28-21ksoftirqd/212:05:012
3215699105,4cyclictest707-21snmpd08:33:022
3215699105,4cyclictest707-21snmpd08:33:022
3215699102,2cyclictest2552-21cron10:40:012
3215699101,1cyclictest0-21swapper/207:37:152
3215699100,2cyclictest240-21systemd-journal12:00:012
3215699100,2cyclictest240-21systemd-journal11:55:012
3215699100,2cyclictest240-21systemd-journal11:40:012
3215699100,2cyclictest240-21systemd-journal09:40:012
3215699100,2cyclictest240-21systemd-journal08:50:002
3215699100,2cyclictest240-21systemd-journal08:00:012
3215699100,2cyclictest0-21swapper/210:30:162
3213299109,1cyclictest9-21ksoftirqd/010:45:120
3213299109,1cyclictest9-21ksoftirqd/009:00:120
32132991010,0cyclictest9-21ksoftirqd/010:15:120
321649998,1cyclictest35-21ksoftirqd/312:40:013
321649998,1cyclictest35-21ksoftirqd/311:20:013
321649998,1cyclictest35-21ksoftirqd/308:55:013
321649997,1cyclictest35-21ksoftirqd/312:25:013
321649996,1cyclictest35-21ksoftirqd/308:30:013
321569996,3cyclictest61650irq/122-eno107:43:152
321569995,3cyclictest61650irq/122-eno108:15:132
321569991,2cyclictest240-21systemd-journal11:40:022
321569991,1cyclictest240-21systemd-journal12:15:012
321569990,9cyclictest0-21swapper/209:00:002
321569990,4cyclictest28149-21/usr/sbin/munin10:25:202
321569990,4cyclictest0-21swapper/208:40:232
321569990,4cyclictest0-21swapper/208:15:012
321569990,2cyclictest240-21systemd-journal09:30:012
321569990,1cyclictest240-21systemd-journal12:30:012
321569990,1cyclictest240-21systemd-journal11:50:012
321569990,1cyclictest240-21systemd-journal11:25:012
321569990,1cyclictest240-21systemd-journal10:55:012
321569990,1cyclictest240-21systemd-journal10:15:012
321569990,1cyclictest240-21systemd-journal10:05:012
321479997,1cyclictest0-21swapper/112:10:201
321329998,1cyclictest9-21ksoftirqd/012:15:110
321329998,1cyclictest9-21ksoftirqd/012:10:150
321329998,1cyclictest9-21ksoftirqd/008:20:010
321329998,1cyclictest9-21ksoftirqd/007:55:010
321329997,1cyclictest9-21ksoftirqd/011:20:010
321329997,1cyclictest9-21ksoftirqd/008:25:010
321329997,1cyclictest693-21runrttasks08:10:120
321329991,4cyclictest3358-21latency_hist11:50:010
9932285,1sleep09-21ksoftirqd/010:55:130
321649988,0cyclictest35-21ksoftirqd/307:35:013
321649987,1cyclictest35-21ksoftirqd/310:05:013
321649987,1cyclictest35-21ksoftirqd/309:40:013
321649987,1cyclictest35-21ksoftirqd/307:50:133
321649986,1cyclictest35-21ksoftirqd/311:50:013
321649985,2cyclictest707-21snmpd08:42:453
321649985,1cyclictest240-21systemd-journal12:15:013
321649981,4cyclictest30615-21latency09:20:163
321569987,1cyclictest24798-21/usr/sbin/munin12:35:162
321569986,1cyclictest707-21snmpd08:26:592
321569984,1cyclictest707-21snmpd11:11:222
321569984,1cyclictest61650irq/122-eno109:25:162
321569981,1cyclictest0-21swapper/210:55:202
321569980,2cyclictest240-21systemd-journal09:50:002
321569980,1cyclictest240-21systemd-journal11:35:012
321569980,1cyclictest240-21systemd-journal11:30:012
321569980,1cyclictest240-21systemd-journal10:20:012
321569980,1cyclictest0-21swapper/209:20:122
321479981,4cyclictest0-21swapper/107:20:121
321329988,0cyclictest9-21ksoftirqd/009:10:320
321329988,0cyclictest9-21ksoftirqd/008:00:190
321329987,1cyclictest9-21ksoftirqd/012:25:130
321329987,1cyclictest9-21ksoftirqd/012:20:120
321329987,1cyclictest9-21ksoftirqd/011:05:120
321329987,1cyclictest9-21ksoftirqd/011:00:400
321329987,1cyclictest9-21ksoftirqd/010:05:150
321329987,1cyclictest9-21ksoftirqd/008:35:130
321329986,1cyclictest9-21ksoftirqd/009:40:010
321329986,1cyclictest9-21ksoftirqd/008:55:140
321329981,6cyclictest26721-21/usr/sbin/munin08:05:200
321649976,1cyclictest35-21ksoftirqd/312:30:013
321649976,1cyclictest35-21ksoftirqd/311:35:013
321649976,1cyclictest35-21ksoftirqd/310:55:013
321649976,1cyclictest35-21ksoftirqd/310:35:013
321649976,1cyclictest35-21ksoftirqd/309:50:013
321649976,1cyclictest35-21ksoftirqd/308:40:013
321649976,1cyclictest25104-21cat11:25:173
321649975,1cyclictest707-21snmpd11:39:353
321649975,1cyclictest707-21snmpd10:45:103
321649975,1cyclictest707-21snmpd10:35:363
321649975,1cyclictest707-21snmpd10:09:083
321649975,1cyclictest707-21snmpd09:59:263
321649975,1cyclictest707-21snmpd09:15:223
321649975,1cyclictest707-21snmpd08:56:003
321649975,1cyclictest707-21snmpd07:28:553
321649975,1cyclictest707-21snmpd07:17:093
321649975,1cyclictest3953-21ntpq10:40:203
321649975,1cyclictest35-21ksoftirqd/310:15:013
321649975,1cyclictest35-21ksoftirqd/309:30:013
321569976,1cyclictest61650irq/122-eno107:10:092
321569976,1cyclictest26120-21ntpq09:10:372
321569976,0cyclictest61650irq/122-eno107:25:132
321569975,2cyclictest61650irq/122-eno107:33:562
321569975,1cyclictest707-21snmpd12:15:522
321569975,1cyclictest61650irq/122-eno108:50:222
321569971,4cyclictest5166-21apt-get10:45:122
321569970,2cyclictest0-21swapper/211:15:212
321479973,0cyclictest0-21swapper/109:55:221
321479970,4cyclictest0-21swapper/108:30:131
321479970,4cyclictest0-21swapper/108:30:131
321479970,1cyclictest0-21swapper/108:43:301
321329976,1cyclictest9-21ksoftirqd/011:55:140
321329976,1cyclictest9-21ksoftirqd/011:20:120
321329976,1cyclictest9-21ksoftirqd/009:40:380
321329976,1cyclictest9-21ksoftirqd/009:05:150
321329976,1cyclictest9-21ksoftirqd/007:30:140
321329976,1cyclictest707-21snmpd11:52:030
321329976,0cyclictest9-21ksoftirqd/009:30:110
321329975,1cyclictest9-21ksoftirqd/011:25:010
321329975,1cyclictest707-21snmpd11:14:260
321329971,3cyclictest24801-21apt-get12:35:120
321329970,6cyclictest9-21ksoftirqd/009:50:160
321329970,6cyclictest8575-21irqstats07:25:170
321329970,6cyclictest30829-21grep09:20:180
321329970,6cyclictest29930-21load11:35:180
321329970,6cyclictest26961-21ntpq10:20:190
321329970,6cyclictest17118-21aten_r1power_cu07:45:130
321329970,6cyclictest0-21swapper/010:50:220
321329970,6cyclictest0-21swapper/008:30:130
321329970,6cyclictest0-21swapper/008:30:130
321329970,6cyclictest0-21swapper/008:25:130
321329970,3cyclictest0-21swapper/010:35:130
321329970,1cyclictest744-21ntpq09:25:180
321329970,1cyclictest28925-21gltestperf10:25:170
321329970,1cyclictest23756-21sshd07:55:300
321329970,1cyclictest10825-21/usr/sbin/munin08:40:230
321649965,1cyclictest707-21snmpd12:34:493
321649965,1cyclictest707-21snmpd11:23:233
321649965,1cyclictest707-21snmpd09:00:123
321649965,1cyclictest707-21snmpd08:31:203
321649965,1cyclictest707-21snmpd08:31:203
321649965,1cyclictest707-21snmpd08:19:443
321649965,1cyclictest707-21snmpd08:00:593
321649965,1cyclictest707-21snmpd07:12:423
321649965,1cyclictest35-21ksoftirqd/312:05:153
321649965,1cyclictest35-21ksoftirqd/312:00:013
321649965,1cyclictest35-21ksoftirqd/311:00:133
321649965,1cyclictest35-21ksoftirqd/309:40:383
321649965,1cyclictest35-21ksoftirqd/307:50:013
321649965,1cyclictest30241-21ntpq08:10:183
321649964,1cyclictest707-21snmpd11:44:063
321649964,1cyclictest707-21snmpd10:56:103
321649964,1cyclictest707-21snmpd09:05:453
321649963,1cyclictest32120-21cyclictest11:50:213
321649962,1cyclictest16324-21latency12:15:163
321649960,3cyclictest240-21systemd-journal08:00:013
321569966,0cyclictest61650irq/122-eno112:05:222
321569966,0cyclictest61650irq/122-eno110:20:192
321569966,0cyclictest61650irq/122-eno109:06:092
321569966,0cyclictest61650irq/122-eno108:04:192
321569966,0cyclictest61650irq/122-eno107:51:552
321569966,0cyclictest61650irq/122-eno107:23:232
321569966,0cyclictest61650irq/122-eno107:18:222
321569965,1cyclictest61650irq/122-eno112:30:122
321569965,1cyclictest61650irq/122-eno111:05:132
321569965,1cyclictest61650irq/122-eno109:00:152
321569964,0cyclictest61650irq/122-eno110:42:232
321569961,2cyclictest240-21systemd-journal09:45:012
321569960,6cyclictest0-21swapper/211:00:162
321569960,6cyclictest0-21swapper/209:54:022
321479963,0cyclictest0-21swapper/109:25:201
321479961,5cyclictest0-21swapper/110:51:581
321479961,3cyclictest0-21swapper/108:45:131
321479961,3cyclictest0-21swapper/108:20:111
321479960,6cyclictest0-21swapper/112:21:311
321479960,6cyclictest0-21swapper/111:51:121
321479960,6cyclictest0-21swapper/111:07:311
321479960,6cyclictest0-21swapper/111:00:461
321479960,6cyclictest0-21swapper/110:35:181
321479960,6cyclictest0-21swapper/109:50:101
321479960,6cyclictest0-21swapper/109:30:221
321479960,6cyclictest0-21swapper/109:01:181
321479960,6cyclictest0-21swapper/108:57:181
321479960,6cyclictest0-21swapper/108:39:421
321479960,6cyclictest0-21swapper/107:53:581
321479960,5cyclictest0-21swapper/112:29:401
321479960,5cyclictest0-21swapper/110:30:331
321479960,5cyclictest0-21swapper/109:45:171
321479960,5cyclictest0-21swapper/107:18:001
321479960,3cyclictest0-21swapper/111:35:011
321479960,3cyclictest0-21swapper/108:15:131
321479960,2cyclictest0-21swapper/109:40:311
321479960,1cyclictest0-21swapper/112:05:171
321479960,1cyclictest0-21swapper/108:54:091
321479960,1cyclictest0-21swapper/108:10:121
321329966,0cyclictest9-21ksoftirqd/012:05:140
321329965,1cyclictest9-21ksoftirqd/012:30:110
321329965,1cyclictest9-21ksoftirqd/010:42:420
321329965,1cyclictest15561-21sshd09:56:150
321329964,1cyclictest9-21ksoftirqd/011:30:150
321329964,1cyclictest9-21ksoftirqd/007:35:180
321329964,1cyclictest707-21snmpd07:20:030
321329963,1cyclictest240-21systemd-journal09:20:010
321329960,5cyclictest18337-21kworker/0:211:40:120
321329960,5cyclictest18337-21kworker/0:210:10:120
321329960,1cyclictest16252-21dpkg10:00:010
321329960,0cyclictest0-21swapper/008:45:150
321329960,0cyclictest0-21swapper/007:44:360
321329960,0cyclictest0-21swapper/007:14:520
321649954,1cyclictest707-21snmpd09:10:023
321649954,1cyclictest35-21ksoftirqd/311:05:143
321649954,1cyclictest35-21ksoftirqd/310:25:163
321649953,1cyclictest10446-21awk12:05:013
321649953,1cyclictest0-21swapper/311:10:123
321649952,1cyclictest14744-21apt07:40:123
321649950,4cyclictest27566-21basename08:05:153
321649950,4cyclictest12374-21apt-get07:35:133
321649950,3cyclictest5317-21apt-get07:20:123
321649950,2cyclictest0-21swapper/308:20:153
321569955,0cyclictest61650irq/122-eno112:20:122
321569954,0cyclictest61650irq/122-eno108:35:142
321569952,2cyclictest707-21snmpd10:05:022
321569950,4cyclictest1683-21cpuspeed_turbos08:20:132
321569950,4cyclictest0-21swapper/209:15:172
321479952,2cyclictest0-21swapper/109:25:011
321479951,2cyclictest0-21swapper/111:15:121
321479951,1cyclictest0-21swapper/112:05:011
321479950,5cyclictest0-21swapper/112:30:021
321479950,5cyclictest0-21swapper/111:58:481
321479950,5cyclictest0-21swapper/111:37:501
321479950,5cyclictest0-21swapper/111:10:541
321479950,4cyclictest0-21swapper/110:25:011
321479950,3cyclictest0-21swapper/107:40:131
321479950,2cyclictest0-21swapper/111:00:011
321479950,2cyclictest0-21swapper/110:05:131
321479950,2cyclictest0-21swapper/109:35:131
321479950,0cyclictest0-21swapper/109:09:151
321479950,0cyclictest0-21swapper/107:11:351
321329950,5cyclictest0-21swapper/009:45:130
321649940,1cyclictest240-21systemd-journal08:45:023
321649940,1cyclictest11399-21apt-get09:50:123
321649940,1cyclictest0-21swapper/309:30:123
321479943,1cyclictest18192-21chrt10:01:581
321479942,1cyclictest26123-21chrt08:00:281
321479941,3cyclictest0-21swapper/107:25:131
321479941,2cyclictest0-21swapper/110:10:111
321479941,2cyclictest0-21swapper/107:35:131
321479940,4cyclictest0-21swapper/111:50:011
321479940,4cyclictest0-21swapper/107:32:511
321479940,3cyclictest29952-21taskset10:26:091
321479940,3cyclictest0-21swapper/111:25:131
321479940,3cyclictest0-21swapper/111:20:121
321479940,3cyclictest0-21swapper/110:40:211
321479940,2cyclictest0-21swapper/111:40:161
321479940,2cyclictest0-21swapper/107:45:161
321479940,1cyclictest0-21swapper/112:40:011
321479940,1cyclictest0-21swapper/112:15:181
321479940,1cyclictest0-21swapper/110:20:011
321479940,1cyclictest0-21swapper/108:05:121
321479940,0cyclictest0-21swapper/109:15:031
321479940,0cyclictest0-21swapper/108:25:211
321479930,2cyclictest0-21swapper/107:55:101
321479930,0cyclictest0-21swapper/109:10:021
321479920,1cyclictest5152-21chrt10:45:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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