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2026-03-23 - 07:41
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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 Mon Mar 23, 2026 00:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
256442232156,24sleep00-21swapper/019:06:190
256832205165,26sleep20-21swapper/219:06:502
236242204155,23sleep30-21swapper/319:05:013
256052199160,26sleep10-21swapper/119:05:481
287152590,0sleep30-21swapper/319:15:003
105462140,0sleep30-21swapper/320:50:153
288862130,0sleep30-21swapper/300:06:163
26005991313,0cyclictest9-21ksoftirqd/020:15:000
26005991210,1cyclictest9-21ksoftirqd/023:40:140
26005991210,1cyclictest9-21ksoftirqd/021:45:120
26005991210,1cyclictest9-21ksoftirqd/021:45:120
26030991110,1cyclictest35-21ksoftirqd/323:20:003
2600599119,1cyclictest9-21ksoftirqd/020:20:160
26005991110,1cyclictest9-21ksoftirqd/023:25:120
26005991110,1cyclictest9-21ksoftirqd/000:25:130
2600599110,10cyclictest28400-21munin-node21:29:460
2603099108,1cyclictest35-21ksoftirqd/323:04:593
2602299100,8cyclictest24927-21kworker/u8:222:05:152
2600599109,1cyclictest9-21ksoftirqd/023:20:140
2600599109,1cyclictest9-21ksoftirqd/000:00:150
2600599108,1cyclictest9-21ksoftirqd/022:50:000
2600599108,1cyclictest9-21ksoftirqd/022:35:100
2600599108,1cyclictest9-21ksoftirqd/022:00:120
2600599108,1cyclictest9-21ksoftirqd/020:45:120
2600599108,1cyclictest9-21ksoftirqd/020:20:000
22522100,0sleep10-21swapper/121:28:321
260309998,1cyclictest35-21ksoftirqd/322:55:003
260309998,1cyclictest35-21ksoftirqd/319:35:003
260309992,5cyclictest35-21ksoftirqd/319:45:143
260229998,1cyclictest28-21ksoftirqd/222:50:002
260229998,1cyclictest28-21ksoftirqd/200:20:012
260229994,3cyclictest61650irq/122-eno121:00:132
260229992,4cyclictest28-21ksoftirqd/221:00:002
260149991,4cyclictest0-21swapper/120:10:171
260059998,1cyclictest9-21ksoftirqd/023:15:130
260059998,1cyclictest9-21ksoftirqd/022:50:140
260059998,1cyclictest9-21ksoftirqd/022:25:200
260059998,1cyclictest9-21ksoftirqd/020:50:120
260059998,1cyclictest9-21ksoftirqd/019:40:140
260059998,1cyclictest9-21ksoftirqd/019:30:010
260059998,1cyclictest9-21ksoftirqd/019:10:190
260059998,1cyclictest9-21ksoftirqd/000:20:110
260059998,1cyclictest9-21ksoftirqd/000:10:140
260059997,1cyclictest9-21ksoftirqd/022:55:100
260059997,1cyclictest9-21ksoftirqd/021:15:000
260059993,6cyclictest28400-21munin-node20:33:570
260059992,6cyclictest32263-21ls23:30:150
260059990,8cyclictest19109-21diskmemload23:47:490
260309987,1cyclictest35-21ksoftirqd/321:30:003
260309987,1cyclictest35-21ksoftirqd/319:25:003
260309986,1cyclictest707-21snmpd21:00:093
260309986,1cyclictest707-21snmpd20:05:493
260309986,1cyclictest707-21snmpd19:10:503
260309986,1cyclictest707-21snmpd00:24:583
260309983,3cyclictest13650irq/124-ahci[0000:05:003
260309980,6cyclictest0-21swapper/300:15:193
260309980,4cyclictest0-21swapper/322:20:193
260309980,3cyclictest15742sleep300:14:383
260229988,0cyclictest0-21swapper/223:47:012
260229986,1cyclictest707-21snmpd22:56:402
260229986,1cyclictest61650irq/122-eno123:40:012
260229986,1cyclictest61650irq/122-eno122:25:172
260229986,1cyclictest61650irq/122-eno121:30:152
260229983,5cyclictest11877-21rm00:26:152
260149980,4cyclictest0-21swapper/119:45:151
260059988,0cyclictest9-21ksoftirqd/021:20:120
260059988,0cyclictest9-21ksoftirqd/000:35:160
260059987,1cyclictest9-21ksoftirqd/023:35:200
260059987,1cyclictest9-21ksoftirqd/023:35:200
260059987,1cyclictest9-21ksoftirqd/023:05:180
260059987,1cyclictest9-21ksoftirqd/023:00:210
260059987,1cyclictest9-21ksoftirqd/022:25:000
260059987,1cyclictest9-21ksoftirqd/022:15:120
260059987,1cyclictest9-21ksoftirqd/021:40:130
260059987,1cyclictest9-21ksoftirqd/020:55:120
260059986,1cyclictest9-21ksoftirqd/022:40:150
260059986,1cyclictest9-21ksoftirqd/021:50:160
260059986,1cyclictest9-21ksoftirqd/020:00:130
260059986,1cyclictest9-21ksoftirqd/019:50:110
260059986,1cyclictest9-21ksoftirqd/000:05:130
260059983,5cyclictest22609-21perf00:00:000
260059981,6cyclictest15628-21ssh23:50:130
260309976,1cyclictest7376-21sh23:40:113
260309976,1cyclictest7366-21cat19:35:163
260309976,1cyclictest707-21snmpd21:36:193
260309976,1cyclictest35-21ksoftirqd/321:15:123
260309976,1cyclictest35-21ksoftirqd/321:10:123
260309976,1cyclictest35-21ksoftirqd/320:30:003
260309976,1cyclictest35-21ksoftirqd/300:30:003
260309975,1cyclictest707-21snmpd23:06:223
260309975,1cyclictest707-21snmpd22:08:353
260309975,1cyclictest707-21snmpd21:40:373
260309975,1cyclictest707-21snmpd20:58:333
260309975,1cyclictest707-21snmpd20:41:293
260309975,1cyclictest707-21snmpd20:36:533
260309975,1cyclictest707-21snmpd20:16:133
260309975,1cyclictest35-21ksoftirqd/323:50:133
260309975,1cyclictest35-21ksoftirqd/321:05:143
260309975,1cyclictest27059-21ssh22:40:243
260309975,1cyclictest11216-21ssh23:45:063
260309974,2cyclictest707-21snmpd22:11:363
260309971,4cyclictest29223-21kworker/u8:123:20:113
260309971,3cyclictest0-21swapper/323:30:233
260309970,4cyclictest0-21swapper/322:45:023
260309970,3cyclictest0-21swapper/321:24:353
260309970,2cyclictest0-21swapper/323:14:413
260309970,2cyclictest0-21swapper/322:59:163
260229976,1cyclictest61650irq/122-eno123:55:122
260229976,1cyclictest61650irq/122-eno123:50:132
260229976,1cyclictest61650irq/122-eno123:35:412
260229976,1cyclictest61650irq/122-eno123:35:412
260229976,1cyclictest61650irq/122-eno123:10:122
260229976,1cyclictest61650irq/122-eno122:40:132
260229976,1cyclictest61650irq/122-eno121:55:142
260229976,1cyclictest61650irq/122-eno121:10:192
260229976,1cyclictest61650irq/122-eno120:50:192
260229976,1cyclictest61650irq/122-eno100:39:012
260229976,1cyclictest28-21ksoftirqd/220:15:002
260229976,1cyclictest28-21ksoftirqd/220:05:022
260229975,1cyclictest707-21snmpd23:30:292
260229975,1cyclictest707-21snmpd22:34:002
260229975,1cyclictest707-21snmpd21:36:402
260229975,1cyclictest707-21snmpd20:02:042
260229975,1cyclictest61650irq/122-eno121:40:182
260229975,1cyclictest61650irq/122-eno121:25:172
260229975,1cyclictest61650irq/122-eno119:50:182
260229975,1cyclictest28-21ksoftirqd/223:10:002
260229975,1cyclictest28-21ksoftirqd/219:35:002
260229975,1cyclictest20944-21ssh21:50:522
260229974,1cyclictest240-21systemd-journal22:05:002
260229971,4cyclictest0-21swapper/222:11:162
260229970,6cyclictest0-21swapper/219:11:322
260229970,5cyclictest0-21swapper/222:20:162
260229970,0cyclictest0-21swapper/223:05:002
260149971,6cyclictest0-21swapper/100:28:481
260149971,6cyclictest0-21swapper/100:21:451
260149970,4cyclictest0-21swapper/123:43:151
260149970,1cyclictest0-21swapper/123:03:311
260059976,1cyclictest9-21ksoftirqd/021:35:110
260059976,1cyclictest9-21ksoftirqd/021:00:110
260059976,1cyclictest9-21ksoftirqd/019:45:200
260059976,1cyclictest9-21ksoftirqd/019:35:160
260059976,1cyclictest9-21ksoftirqd/019:15:000
260059976,1cyclictest32527-21cat19:20:170
260059976,1cyclictest17692-21perl21:05:160
260059975,1cyclictest9-21ksoftirqd/023:10:100
260059975,1cyclictest9-21ksoftirqd/022:30:180
260059975,1cyclictest9-21ksoftirqd/019:55:130
260059975,1cyclictest9-21ksoftirqd/000:15:120
260059975,1cyclictest707-21snmpd20:09:280
260059972,4cyclictest2563-21df_inode22:10:140
260059970,6cyclictest32593-21ssh22:05:570
260059970,1cyclictest3604-21cstates21:30:140
260059970,1cyclictest24430-21grep21:15:170
260059970,1cyclictest23428-21cut21:55:140
260059970,1cyclictest0-21swapper/000:30:190
260309965,1cyclictest707-21snmpd19:40:093
260309965,1cyclictest707-21snmpd00:38:283
260309965,1cyclictest5569-21ssh21:31:333
260309965,1cyclictest5485-21ssh23:36:233
260309965,1cyclictest5485-21ssh23:36:223
260309965,1cyclictest35-21ksoftirqd/320:25:003
260309965,1cyclictest35-21ksoftirqd/320:15:003
260309965,1cyclictest29139-21ssh22:02:013
260309965,1cyclictest27996-21ssh23:25:043
260309965,1cyclictest20760-21ssh22:34:113
260309965,1cyclictest18932-21ssh23:55:053
260309965,1cyclictest18915-21ssh21:50:053
260309965,1cyclictest16240-21ssh21:45:173
260309965,1cyclictest16240-21ssh21:45:173
260309965,1cyclictest15813-21ssh22:26:183
260309964,1cyclictest707-21snmpd20:49:423
260309961,3cyclictest0-21swapper/322:35:123
260309960,6cyclictest0-21swapper/322:17:453
260309960,2cyclictest15691-21munin-run19:55:003
260309960,2cyclictest0-21swapper/321:59:173
260309960,2cyclictest0-21swapper/300:27:033
260229966,0cyclictest61650irq/122-eno123:25:062
260229966,0cyclictest61650irq/122-eno123:20:042
260229966,0cyclictest61650irq/122-eno122:50:012
260229966,0cyclictest61650irq/122-eno122:36:032
260229966,0cyclictest61650irq/122-eno122:16:112
260229966,0cyclictest61650irq/122-eno121:46:102
260229966,0cyclictest61650irq/122-eno121:46:102
260229966,0cyclictest61650irq/122-eno121:20:012
260229966,0cyclictest61650irq/122-eno121:15:082
260229966,0cyclictest61650irq/122-eno120:30:152
260229966,0cyclictest61650irq/122-eno120:20:432
260229966,0cyclictest61650irq/122-eno120:19:532
260229966,0cyclictest61650irq/122-eno119:58:082
260229966,0cyclictest61650irq/122-eno119:44:572
260229966,0cyclictest61650irq/122-eno119:35:122
260229966,0cyclictest61650irq/122-eno119:25:162
260229966,0cyclictest61650irq/122-eno100:30:032
260229966,0cyclictest61650irq/122-eno100:20:432
260229966,0cyclictest61650irq/122-eno100:05:012
260229965,1cyclictest61650irq/122-eno119:20:172
260229965,1cyclictest31741-21ssh00:10:162
260229965,1cyclictest28-21ksoftirqd/223:15:092
260229965,1cyclictest24051-21ntpq00:00:182
260229964,1cyclictest28-21ksoftirqd/220:37:132
260149966,0cyclictest0-21swapper/122:36:071
260149965,1cyclictest0-21swapper/123:52:531
260149963,1cyclictest0-21swapper/123:07:001
260149961,3cyclictest0-21swapper/120:20:211
260149960,6cyclictest0-21swapper/122:50:271
260149960,6cyclictest0-21swapper/122:23:001
260149960,6cyclictest0-21swapper/122:11:221
260149960,6cyclictest0-21swapper/122:06:471
260149960,6cyclictest0-21swapper/120:49:391
260149960,6cyclictest0-21swapper/100:04:541
260149960,5cyclictest0-21swapper/123:31:531
260149960,3cyclictest0-21swapper/122:56:241
260149960,3cyclictest0-21swapper/121:25:001
260149960,1cyclictest0-21swapper/123:24:201
260149960,0cyclictest0-21swapper/121:15:101
260059964,1cyclictest9-21ksoftirqd/020:40:140
260059963,1cyclictest0-21swapper/019:30:110
260059960,5cyclictest3646-21grub-editenv20:35:160
260059960,5cyclictest0-21swapper/020:25:140
8097250,1sleep121-21ksoftirqd/119:35:211
260309954,1cyclictest35-21ksoftirqd/319:55:133
260309953,1cyclictest18287-21apt-get20:00:123
260309952,1cyclictest240-21systemd-journal20:35:003
260229955,0cyclictest61650irq/122-eno121:05:012
260229955,0cyclictest61650irq/122-eno120:48:252
260229955,0cyclictest61650irq/122-eno120:25:152
260229955,0cyclictest61650irq/122-eno119:15:152
260229950,5cyclictest0-21swapper/219:45:062
260229950,4cyclictest5304-21expr20:40:132
260149955,0cyclictest0-21swapper/121:40:341
260149955,0cyclictest0-21swapper/100:10:031
260149952,2cyclictest0-21swapper/122:46:471
260149951,4cyclictest0-21swapper/119:34:381
260149951,3cyclictest0-21swapper/123:35:141
260149951,3cyclictest0-21swapper/123:35:141
260149951,1cyclictest0-21swapper/122:19:311
260149950,5cyclictest0-21swapper/123:12:271
260149950,5cyclictest0-21swapper/122:00:151
260149950,5cyclictest0-21swapper/121:51:291
260149950,5cyclictest0-21swapper/121:37:471
260149950,5cyclictest0-21swapper/121:32:551
260149950,5cyclictest0-21swapper/121:08:571
260149950,5cyclictest0-21swapper/120:45:001
260149950,5cyclictest0-21swapper/119:57:171
260149950,5cyclictest0-21swapper/119:21:351
260149950,5cyclictest0-21swapper/119:13:171
260149950,5cyclictest0-21swapper/100:05:561
260149950,4cyclictest0-21swapper/121:10:061
260149950,3cyclictest0-21swapper/121:49:321
260149950,3cyclictest0-21swapper/121:49:321
260149950,2cyclictest0-21swapper/122:42:071
260149950,2cyclictest0-21swapper/122:32:561
260149950,2cyclictest0-21swapper/100:35:151
260149950,2cyclictest0-21swapper/100:15:171
260149950,1cyclictest0-21swapper/123:27:211
260309943,1cyclictest2134-21grep19:25:143
260149943,1cyclictest0-21swapper/100:30:151
260149940,4cyclictest0-21swapper/120:53:021
260149940,4cyclictest0-21swapper/120:05:201
260149940,3cyclictest0-21swapper/122:26:031
260149940,3cyclictest0-21swapper/121:00:151
260149940,3cyclictest0-21swapper/120:33:111
260149940,3cyclictest0-21swapper/119:40:111
260149940,2cyclictest0-21swapper/123:16:301
260149940,2cyclictest0-21swapper/121:55:161
260149940,2cyclictest0-21swapper/120:35:131
260149940,2cyclictest0-21swapper/119:25:171
260149940,1cyclictest0-21swapper/123:55:121
260149940,1cyclictest0-21swapper/123:45:161
260149940,0cyclictest0-21swapper/120:00:191
260149931,1cyclictest0-21swapper/120:55:061
260149930,3cyclictest0-21swapper/119:15:011
260149930,2cyclictest0-21swapper/120:25:161
260149930,1cyclictest0-21swapper/120:15:121
260149921,1cyclictest0-21swapper/119:50:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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