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2025-12-29 - 00:46
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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 28, 2025 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44132212149,22sleep30-21swapper/307:07:383
43752211158,26sleep20-21swapper/207:07:082
42562202162,25sleep00-21swapper/007:05:340
42572197157,26sleep10-21swapper/107:05:351
469199130,13cyclictest0-21swapper/007:50:150
4691991210,1cyclictest9-21ksoftirqd/008:20:000
470899108,1cyclictest28-21ksoftirqd/212:20:002
470899100,4cyclictest29439-21apt-get11:25:122
469199109,1cyclictest9-21ksoftirqd/009:35:210
469199109,1cyclictest9-21ksoftirqd/007:50:000
469199108,1cyclictest9-21ksoftirqd/011:35:000
47169999,0cyclictest0-21swapper/311:38:473
47089999,0cyclictest0-21swapper/209:57:582
47089996,1cyclictest28-21ksoftirqd/208:25:002
47019990,7cyclictest0-21swapper/111:45:081
47019990,4cyclictest0-21swapper/109:35:131
46919999,0cyclictest9-21ksoftirqd/007:55:210
46919999,0cyclictest0-21swapper/009:49:490
46919998,1cyclictest9-21ksoftirqd/012:10:010
46919998,1cyclictest9-21ksoftirqd/009:30:140
46919997,1cyclictest9-21ksoftirqd/008:50:000
46919997,1cyclictest9-21ksoftirqd/007:45:000
46919993,5cyclictest15833-21perf08:39:590
46919992,4cyclictest31565-21http08:05:010
47169986,1cyclictest707-21snmpd12:06:163
47169986,1cyclictest707-21snmpd10:36:553
47169986,1cyclictest35-21ksoftirqd/309:25:003
47169981,3cyclictest0-21swapper/312:10:203
47169980,2cyclictest20599-21apt-get12:15:133
47089986,1cyclictest7152-21cron09:30:002
47089986,1cyclictest707-21snmpd07:43:492
47089981,6cyclictest7053-21munin-node09:38:242
46919988,0cyclictest9-21ksoftirqd/012:15:220
46919988,0cyclictest9-21ksoftirqd/007:32:100
46919987,1cyclictest9-21ksoftirqd/012:25:000
46919987,1cyclictest9-21ksoftirqd/009:20:180
46919987,1cyclictest9-21ksoftirqd/007:20:210
46919986,1cyclictest9-21ksoftirqd/012:15:010
46919986,1cyclictest707-21snmpd11:47:030
46919986,1cyclictest707-21snmpd08:55:520
46919980,7cyclictest9812-21memory11:50:160
46919980,5cyclictest20884-21kworker/0:209:00:170
46919980,5cyclictest20884-21kworker/0:209:00:170
46919980,4cyclictest21960-21latency_hist11:10:000
47169976,1cyclictest707-21snmpd12:20:033
47169976,1cyclictest707-21snmpd09:50:243
47169976,1cyclictest707-21snmpd08:23:063
47169976,1cyclictest707-21snmpd07:19:133
47169976,1cyclictest35-21ksoftirqd/307:12:313
47169975,1cyclictest707-21snmpd12:27:373
47169975,1cyclictest707-21snmpd11:59:103
47169975,1cyclictest707-21snmpd11:15:233
47169975,1cyclictest707-21snmpd10:05:063
47169975,1cyclictest707-21snmpd08:57:513
47169975,1cyclictest707-21snmpd08:39:093
47169975,1cyclictest35-21ksoftirqd/311:25:003
47169974,1cyclictest240-21systemd-journal07:54:593
47169973,2cyclictest240-21systemd-journal09:30:003
47169973,2cyclictest10365-21grep09:35:153
47169970,6cyclictest27311-21cstates07:55:133
47169970,4cyclictest23290-21users10:00:233
47169970,2cyclictest0-21swapper/309:25:153
47169970,1cyclictest0-21swapper/311:25:123
47089976,1cyclictest707-21snmpd09:12:552
47089976,1cyclictest61650irq/122-eno108:10:142
47089975,1cyclictest707-21snmpd12:26:392
47089975,1cyclictest707-21snmpd09:06:252
47089975,1cyclictest707-21snmpd09:03:462
47089975,1cyclictest707-21snmpd09:03:462
47089975,1cyclictest707-21snmpd07:15:122
47089975,1cyclictest28-21ksoftirqd/210:20:002
47089971,2cyclictest0-21swapper/208:25:112
47089971,1cyclictest0-21swapper/210:29:402
47089970,6cyclictest0-21swapper/211:16:522
47089970,6cyclictest0-21swapper/207:22:032
47089970,4cyclictest17124-21munin-run07:35:002
47089970,1cyclictest0-21swapper/211:35:242
47089970,1cyclictest0-21swapper/210:55:152
47019976,1cyclictest0-21swapper/110:02:151
47019971,6cyclictest0-21swapper/111:40:031
47019970,6cyclictest0-21swapper/110:27:451
47019970,4cyclictest0-21swapper/110:55:121
47019970,1cyclictest0-21swapper/109:10:001
47019970,1cyclictest0-21swapper/108:45:191
47019970,1cyclictest0-21swapper/107:18:011
47019970,0cyclictest0-21swapper/109:25:121
46919976,1cyclictest9-21ksoftirqd/012:35:190
46919976,1cyclictest9-21ksoftirqd/011:35:140
46919976,1cyclictest9-21ksoftirqd/009:50:140
46919976,1cyclictest9-21ksoftirqd/008:10:140
46919976,1cyclictest707-21snmpd09:26:260
46919975,1cyclictest9-21ksoftirqd/010:15:140
46919975,1cyclictest9-21ksoftirqd/008:40:160
46919975,1cyclictest707-21snmpd08:21:180
46919975,1cyclictest21557-21/usr/sbin/munin10:00:220
46919970,6cyclictest31339-21open_files09:10:170
46919970,6cyclictest13919-21expr12:00:160
46919970,6cyclictest10891-21taskset08:27:520
46919970,1cyclictest20088-21irqstats09:55:150
46919970,1cyclictest12285-21taskset09:40:130
46919970,1cyclictest0-21swapper/010:45:120
46919970,1cyclictest0-21swapper/007:10:170
47169965,1cyclictest707-21snmpd08:30:003
47169965,1cyclictest707-21snmpd08:19:123
47169965,1cyclictest707-21snmpd07:41:303
47169965,1cyclictest707-21snmpd07:39:343
47169965,1cyclictest707-21snmpd07:25:283
47169965,1cyclictest707-21snmpd07:22:283
47169965,1cyclictest2996-21ntpq08:10:173
47169965,1cyclictest28842-21ntpq12:30:193
47169965,1cyclictest14430-21cat12:00:183
47169964,1cyclictest707-21snmpd09:08:423
47169964,1cyclictest35-21ksoftirqd/310:50:353
47169964,1cyclictest20897-21sed09:55:213
47169963,1cyclictest19301-21runrttasks11:01:483
47169962,2cyclictest30035-21apt-get12:35:143
47169962,1cyclictest10369-21apt-get10:45:133
47169961,4cyclictest16027-21/usr/sbin/munin08:40:133
47169961,3cyclictest11309-21apt-get08:30:153
47169961,2cyclictest31054-21telnet10:20:133
47169961,1cyclictest22646-21sshd08:52:313
47169960,4cyclictest0-21swapper/309:45:123
47089966,0cyclictest61650irq/122-eno112:30:122
47089966,0cyclictest61650irq/122-eno111:45:142
47089966,0cyclictest61650irq/122-eno111:43:322
47089966,0cyclictest61650irq/122-eno111:05:152
47089966,0cyclictest61650irq/122-eno110:45:132
47089966,0cyclictest61650irq/122-eno110:06:182
47089966,0cyclictest61650irq/122-eno109:54:312
47089966,0cyclictest61650irq/122-eno108:47:092
47089966,0cyclictest61650irq/122-eno108:35:092
47089966,0cyclictest61650irq/122-eno108:16:192
47089966,0cyclictest61650irq/122-eno108:05:452
47089966,0cyclictest61650irq/122-eno108:00:232
47089966,0cyclictest61650irq/122-eno107:46:452
47089966,0cyclictest61650irq/122-eno107:10:112
47089965,1cyclictest707-21snmpd08:59:492
47089965,1cyclictest61650irq/122-eno111:11:072
47089965,1cyclictest61650irq/122-eno110:00:152
47089965,1cyclictest61650irq/122-eno107:55:132
47089965,1cyclictest25771-21ntpq07:50:172
47089964,1cyclictest707-21snmpd10:20:012
47089964,1cyclictest61650irq/122-eno110:50:182
47089964,1cyclictest61650irq/122-eno109:30:152
47089964,1cyclictest5119-21sshd10:31:312
47089964,1cyclictest28-21ksoftirqd/209:15:112
47089963,1cyclictest240-21systemd-journal12:24:552
47089962,2cyclictest240-21systemd-journal10:45:002
47089961,4cyclictest0-21swapper/211:00:152
47089960,6cyclictest0-21swapper/211:23:212
47089960,6cyclictest0-21swapper/207:38:072
47089960,5cyclictest557-21irqbalance09:23:172
47089960,2cyclictest0-21swapper/208:30:142
47089960,1cyclictest0-21swapper/210:35:142
47019961,5cyclictest0-21swapper/108:15:291
47019961,5cyclictest0-21swapper/107:34:011
47019960,6cyclictest0-21swapper/112:30:301
47019960,6cyclictest0-21swapper/112:27:491
47019960,6cyclictest0-21swapper/110:48:471
47019960,6cyclictest0-21swapper/110:33:391
47019960,6cyclictest0-21swapper/110:16:081
47019960,6cyclictest0-21swapper/110:05:541
47019960,6cyclictest0-21swapper/109:41:231
47019960,6cyclictest0-21swapper/108:12:591
47019960,6cyclictest0-21swapper/108:09:051
47019960,5cyclictest0-21swapper/109:20:171
47019960,5cyclictest0-21swapper/107:50:141
47019960,5cyclictest0-21swapper/107:27:461
47019960,3cyclictest0-21swapper/111:50:111
47019960,1cyclictest0-21swapper/108:50:131
47019960,1cyclictest0-21swapper/107:48:251
46919965,1cyclictest9-21ksoftirqd/011:40:120
46919965,1cyclictest9-21ksoftirqd/008:34:590
46919965,1cyclictest9-21ksoftirqd/007:40:000
46919965,1cyclictest7958-21latency_hist10:40:000
46919965,1cyclictest707-21snmpd10:13:540
46919965,1cyclictest18334-21cat11:00:170
46919964,1cyclictest9-21ksoftirqd/011:19:300
46919960,6cyclictest0-21swapper/011:55:160
46919960,6cyclictest0-21swapper/010:54:090
46919960,6cyclictest0-21swapper/010:20:180
46919960,6cyclictest0-21swapper/010:07:510
46919960,6cyclictest0-21swapper/009:05:140
46919960,6cyclictest0-21swapper/008:05:080
46919960,5cyclictest0-21swapper/009:15:010
46919960,1cyclictest8008-21sshd10:40:110
46919960,1cyclictest22928-21grep11:10:150
46919960,1cyclictest0-21swapper/012:25:210
46919960,1cyclictest0-21swapper/011:25:200
46919960,1cyclictest0-21swapper/011:20:110
46919960,1cyclictest0-21swapper/010:55:120
46919960,0cyclictest0-21swapper/010:25:110
47169955,0cyclictest26863-21sensors09:00:193
47169955,0cyclictest26863-21sensors09:00:193
47169955,0cyclictest0-21swapper/307:45:303
47169954,1cyclictest707-21snmpd11:09:173
47169954,1cyclictest29783-21ntpq10:15:183
47169953,1cyclictest9643-21cut11:50:143
47169953,1cyclictest707-21snmpd10:30:063
47169953,1cyclictest35-21ksoftirqd/310:28:023
47169953,1cyclictest16476-21python10:55:193
47169952,2cyclictest31494-21munin-run08:05:013
47169951,3cyclictest7053-21munin-node08:48:593
47169951,3cyclictest31925-21/usr/sbin/munin08:05:183
47169951,2cyclictest4096-21apt-get11:40:113
47169951,2cyclictest0-21swapper/310:40:183
47169950,5cyclictest0-21swapper/311:48:493
47169950,5cyclictest0-21swapper/309:15:523
47089955,0cyclictest61650irq/122-eno110:10:142
47089955,0cyclictest61650irq/122-eno109:45:112
47089955,0cyclictest61650irq/122-eno108:53:352
47089955,0cyclictest61650irq/122-eno108:43:332
47089954,1cyclictest61650irq/122-eno112:35:132
47089953,1cyclictest707-21snmpd09:40:012
47089953,1cyclictest11937-21grep11:55:152
47089953,1cyclictest10084-21wc11:50:182
47089953,1cyclictest0-21swapper/207:25:122
47089950,2cyclictest240-21systemd-journal11:30:002
47089950,1cyclictest18745-21df_inode12:10:142
47089950,1cyclictest15888-21/usr/sbin/munin12:05:172
47089950,0cyclictest0-21swapper/212:00:142
47019952,2cyclictest0-21swapper/112:10:121
47019951,2cyclictest12368-21chrt07:24:301
47019951,2cyclictest0-21swapper/110:40:121
47019951,2cyclictest0-21swapper/109:55:121
47019951,2cyclictest0-21swapper/109:00:131
47019951,2cyclictest0-21swapper/109:00:131
47019951,1cyclictest0-21swapper/108:25:151
47019950,5cyclictest0-21swapper/112:35:561
47019950,5cyclictest0-21swapper/112:17:521
47019950,5cyclictest0-21swapper/111:27:441
47019950,5cyclictest0-21swapper/111:13:021
47019950,5cyclictest0-21swapper/111:00:551
47019950,5cyclictest0-21swapper/109:51:181
47019950,5cyclictest0-21swapper/108:30:031
47019950,5cyclictest0-21swapper/108:24:111
47019950,4cyclictest0-21swapper/109:30:171
47019950,4cyclictest0-21swapper/109:15:141
47019950,4cyclictest0-21swapper/107:10:161
47019950,3cyclictest0-21swapper/109:05:131
47019950,2cyclictest0-21swapper/112:24:591
47019950,2cyclictest0-21swapper/111:20:001
47019950,2cyclictest0-21swapper/110:15:001
47019950,1cyclictest0-21swapper/110:50:161
46919954,1cyclictest9-21ksoftirqd/010:30:130
46919951,1cyclictest0-21swapper/012:30:170
46919950,4cyclictest0-21swapper/008:50:110
46919950,0cyclictest4675-21cyclictest07:17:290
46919950,0cyclictest0-21swapper/007:25:110
47169944,0cyclictest16408-21sensors07:30:193
47169943,1cyclictest35-21ksoftirqd/311:13:053
47169943,1cyclictest30673-21df_inode09:10:123
47169943,1cyclictest13156-21sed09:40:173
47169940,2cyclictest0-21swapper/310:10:143
47169940,1cyclictest240-21systemd-journal11:35:003
47019943,1cyclictest0-21swapper/111:55:111
47019942,1cyclictest0-21swapper/107:55:191
47019941,2cyclictest0-21swapper/111:20:011
47019940,4cyclictest0-21swapper/109:45:181
47019940,4cyclictest0-21swapper/108:40:191
47019940,4cyclictest0-21swapper/108:35:231
47019940,4cyclictest0-21swapper/108:00:211
47019940,4cyclictest0-21swapper/107:39:261
47019940,3cyclictest0-21swapper/111:30:121
47019940,3cyclictest0-21swapper/108:55:171
47019940,2cyclictest0-21swapper/112:05:201
47019940,2cyclictest0-21swapper/107:45:001
47019940,1cyclictest0-21swapper/112:00:131
47019940,1cyclictest0-21swapper/110:20:121
47019940,0cyclictest0-21swapper/111:35:191
47019940,0cyclictest0-21swapper/111:07:401
47019940,0cyclictest0-21swapper/110:35:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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