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2026-06-09 - 15:20
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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 Tue Jun 09, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319602229156,24sleep00-21swapper/007:08:330
317972211172,25sleep30-21swapper/307:06:263
320402207174,21sleep10-21swapper/107:09:351
318902201161,26sleep20-21swapper/207:07:392
100062660,0sleep00-21swapper/009:30:260
103192600,0sleep00-21swapper/008:35:180
3219699129,1cyclictest35-21ksoftirqd/307:15:003
3218299120,12cyclictest0-21swapper/212:20:532
3218299120,11cyclictest61650irq/122-eno109:22:262
32164991211,1cyclictest9-21ksoftirqd/010:45:000
3218299108,1cyclictest28-21ksoftirqd/208:35:002
3216499103,4cyclictest28767-21cat09:15:000
3216499100,5cyclictest0-21swapper/011:20:120
185842100,0sleep025255-21diskmemload12:39:430
321969997,1cyclictest1029-21snmpd11:47:153
321969990,7cyclictest25255-21diskmemload12:00:203
321969990,5cyclictest9327-21taskset10:57:553
321969990,5cyclictest17849-21kworker/u8:211:15:333
321829999,0cyclictest28-21ksoftirqd/211:54:192
321829999,0cyclictest28-21ksoftirqd/211:54:192
321829997,1cyclictest28-21ksoftirqd/207:20:002
321829991,7cyclictest2322-21munin-node12:03:412
321649993,5cyclictest30465-21chrt09:15:200
321649991,4cyclictest7732-21cat12:25:000
321649990,7cyclictest2322-21munin-node09:05:070
11636290,0sleep20-21swapper/210:16:192
321969987,1cyclictest561-21nscd11:42:513
321969986,1cyclictest6439-21cat07:20:143
321969986,1cyclictest16018-21fschecks_time12:35:163
321969986,1cyclictest1029-21snmpd11:10:213
321969986,1cyclictest1029-21snmpd09:06:503
321969984,2cyclictest240-21systemd-journal11:30:003
321969980,6cyclictest0-21swapper/312:27:103
321969980,1cyclictest0-21swapper/309:20:123
321829988,0cyclictest0-21swapper/209:33:122
321829986,1cyclictest61650irq/122-eno112:35:142
321829986,1cyclictest61650irq/122-eno110:35:222
321829986,1cyclictest61650irq/122-eno109:40:132
321829986,1cyclictest1029-21snmpd10:31:322
321829986,1cyclictest1029-21snmpd08:56:552
321829984,2cyclictest548-21systemd-logind11:30:192
321829984,2cyclictest240-21systemd-journal08:15:002
321829980,6cyclictest1029-21snmpd12:25:392
321829980,5cyclictest0-21swapper/209:15:122
321749988,0cyclictest0-21swapper/111:05:121
321749980,4cyclictest0-21swapper/112:15:001
321649987,1cyclictest7187-21ssh09:28:140
321649987,1cyclictest6738-21ssh11:39:130
321649986,1cyclictest1029-21snmpd08:54:400
321649986,1cyclictest1029-21snmpd07:29:070
321649983,2cyclictest25255-21diskmemload09:45:150
321649981,1cyclictest28763-21sed09:55:210
321649980,7cyclictest11620-21ssh12:30:070
321649980,6cyclictest0-21swapper/011:11:080
321649980,6cyclictest0-21swapper/007:35:180
321649980,5cyclictest0-21swapper/010:51:120
321649980,4cyclictest20370-21perf09:00:000
321969977,0cyclictest13074-21sensors12:30:183
321969977,0cyclictest0-21swapper/310:20:173
321969976,1cyclictest35-21ksoftirqd/311:54:193
321969976,1cyclictest35-21ksoftirqd/311:54:193
321969975,1cyclictest7689-21ssh10:10:293
321969975,1cyclictest11313-21ssh09:33:563
321969975,1cyclictest1029-21snmpd12:20:143
321969975,1cyclictest1029-21snmpd11:21:003
321969975,1cyclictest1029-21snmpd11:05:303
321969975,1cyclictest1029-21snmpd08:32:483
321969975,1cyclictest1029-21snmpd08:29:153
321969975,1cyclictest1029-21snmpd08:08:113
321969975,1cyclictest1029-21snmpd07:56:533
321969975,1cyclictest1029-21snmpd07:39:523
321969975,1cyclictest1029-21snmpd07:32:323
321969975,1cyclictest1029-21snmpd07:26:013
321969975,1cyclictest1029-21snmpd07:16:283
321969972,1cyclictest16382-21diskstats09:40:143
321969970,6cyclictest0-21swapper/310:27:423
321969970,4cyclictest0-21swapper/309:17:533
321969970,3cyclictest0-21swapper/310:16:463
321969970,2cyclictest0-21swapper/310:49:003
321829977,0cyclictest61650irq/122-eno110:23:592
321829977,0cyclictest0-21swapper/210:00:072
321829976,1cyclictest61650irq/122-eno111:04:512
321829976,1cyclictest61650irq/122-eno110:44:322
321829976,0cyclictest61650irq/122-eno109:55:312
321829975,1cyclictest61650irq/122-eno111:56:302
321829975,1cyclictest61650irq/122-eno111:35:112
321829975,1cyclictest61650irq/122-eno109:50:112
321829975,1cyclictest61650irq/122-eno109:35:122
321829975,1cyclictest4036-21missed_timers10:50:182
321829975,1cyclictest1029-21snmpd09:00:012
321829971,4cyclictest2006-21apt-get10:05:142
321829970,6cyclictest2322-21munin-node11:29:482
321829970,6cyclictest0-21swapper/212:10:162
321829970,6cyclictest0-21swapper/210:28:072
321829970,4cyclictest1029-21snmpd12:06:132
321829970,1cyclictest0-21swapper/211:24:422
321829970,1cyclictest0-21swapper/207:27:252
321749972,2cyclictest0-21swapper/109:27:171
321749970,6cyclictest0-21swapper/108:18:421
321749970,5cyclictest0-21swapper/107:37:201
321649976,1cyclictest9-21ksoftirqd/011:55:050
321649976,1cyclictest18444-21cat07:45:160
321649975,1cyclictest422-21ssh09:20:050
321649975,1cyclictest23168-21ssh11:15:240
321649975,1cyclictest12986-21ssh11:45:580
321649975,1cyclictest1029-21snmpd11:06:060
321649975,1cyclictest1029-21snmpd10:35:290
321649975,1cyclictest1029-21snmpd10:08:010
321649975,1cyclictest1029-21snmpd09:03:280
321649975,1cyclictest1029-21snmpd08:30:540
321649975,1cyclictest1029-21snmpd07:18:040
321649974,0cyclictest25255-21diskmemload10:59:180
321649973,2cyclictest577-21/usr/sbin/munin12:15:170
321649973,2cyclictest15402-21grep11:50:150
321649973,2cyclictest15402-21grep11:50:150
321649971,5cyclictest32701-21ssh11:30:120
321649971,5cyclictest24832-21ssh09:50:190
321649971,5cyclictest10097-1kworker/u9:109:35:200
321649970,7cyclictest0-21swapper/008:27:470
321649970,6cyclictest9818-21ssh12:25:320
321649970,6cyclictest8464-21ntpq11:40:150
321649970,6cyclictest311-21ssh10:01:010
321649970,6cyclictest22093-21aten2.4-expect12:00:130
321649970,6cyclictest14413-21ssh10:20:200
321649970,6cyclictest0-21swapper/009:40:110
321649970,6cyclictest0-21swapper/008:45:150
321649970,1cyclictest7965-21ssh10:11:180
321649970,1cyclictest240-21systemd-journal12:09:560
321649970,1cyclictest240-21systemd-journal11:25:000
321649970,1cyclictest20110-21ssh10:29:360
321649970,1cyclictest10642-21netstat10:15:150
321649970,1cyclictest0-21swapper/010:30:190
321649970,1cyclictest0-21swapper/008:40:160
321649970,1cyclictest0-21swapper/007:30:120
321969966,0cyclictest25255-21diskmemload11:57:583
321969965,1cyclictest5409-21ssh10:52:113
321969965,1cyclictest31653-21cat10:00:163
321969965,1cyclictest31468-21ssh12:11:203
321969965,1cyclictest29737-21ssh09:57:573
321969965,1cyclictest28087-21ssh10:40:113
321969965,1cyclictest22101-21ssh09:47:403
321969965,1cyclictest1967-21ssh11:30:593
321969965,1cyclictest1029-21snmpd08:46:193
321969964,1cyclictest4817-21ntp_states11:35:173
321969964,1cyclictest20286-21munin-plugin-st08:59:593
321969964,1cyclictest1029-21snmpd11:02:113
321969964,1cyclictest1029-21snmpd10:30:473
321969962,2cyclictest24340-21apt-get10:35:013
321969960,5cyclictest0-21swapper/310:06:353
321969960,4cyclictest25255-21diskmemload09:12:243
321969960,4cyclictest0-21swapper/309:50:103
321969960,2cyclictest12474-21cpuspeed_turbos09:35:133
321969960,1cyclictest0-21swapper/312:05:103
321829966,0cyclictest61650irq/122-eno112:15:102
321829966,0cyclictest61650irq/122-eno111:46:062
321829966,0cyclictest61650irq/122-eno111:41:012
321829966,0cyclictest61650irq/122-eno111:15:132
321829966,0cyclictest61650irq/122-eno110:55:262
321829966,0cyclictest61650irq/122-eno109:45:182
321829966,0cyclictest61650irq/122-eno109:25:162
321829966,0cyclictest61650irq/122-eno108:25:182
321829966,0cyclictest61650irq/122-eno108:21:202
321829966,0cyclictest61650irq/122-eno108:04:062
321829966,0cyclictest61650irq/122-eno107:11:282
321829965,1cyclictest61650irq/122-eno111:05:152
321829965,1cyclictest61650irq/122-eno110:45:182
321829965,1cyclictest61650irq/122-eno110:10:192
321829965,1cyclictest61650irq/122-eno109:10:122
321829965,1cyclictest27879-21cat08:05:162
321829964,1cyclictest61650irq/122-eno112:30:112
321829964,1cyclictest61650irq/122-eno111:10:182
321829960,6cyclictest0-21swapper/208:15:172
321829960,5cyclictest0-21swapper/208:47:092
321829960,3cyclictest0-21swapper/207:35:102
321829960,1cyclictest16755-21cat08:50:162
321829960,0cyclictest0-21swapper/209:05:002
321749966,0cyclictest0-21swapper/110:31:051
321749962,1cyclictest0-21swapper/109:35:131
321749962,1cyclictest0-21swapper/107:20:181
321749961,2cyclictest0-21swapper/110:38:111
321749960,6cyclictest0-21swapper/112:24:291
321749960,6cyclictest0-21swapper/111:51:161
321749960,6cyclictest0-21swapper/111:51:161
321749960,6cyclictest0-21swapper/111:33:051
321749960,6cyclictest0-21swapper/110:42:431
321749960,6cyclictest0-21swapper/110:27:441
321749960,6cyclictest0-21swapper/109:57:421
321749960,6cyclictest0-21swapper/109:00:201
321749960,6cyclictest0-21swapper/108:55:521
321749960,6cyclictest0-21swapper/108:43:071
321749960,6cyclictest0-21swapper/108:30:181
321749960,6cyclictest0-21swapper/107:56:321
321749960,5cyclictest0-21swapper/110:16:191
321749960,5cyclictest0-21swapper/108:51:581
321749960,5cyclictest0-21swapper/107:40:161
321749960,5cyclictest0-21swapper/107:31:041
321749960,4cyclictest0-21swapper/109:30:141
321749960,3cyclictest0-21swapper/111:42:191
321749960,3cyclictest0-21swapper/110:45:061
321749960,3cyclictest0-21swapper/109:22:151
321749960,1cyclictest0-21swapper/112:06:271
321749960,1cyclictest0-21swapper/108:10:121
321749960,0cyclictest0-21swapper/112:35:211
321649961,0cyclictest31731-21ssh10:45:080
321649960,6cyclictest0-21swapper/011:00:190
321649960,6cyclictest0-21swapper/007:55:190
321649960,6cyclictest0-21swapper/007:24:070
321649960,5cyclictest31695-21munin-node08:15:120
321649960,5cyclictest1652-21/usr/sbin/munin08:20:190
321649960,2cyclictest0-21swapper/007:42:020
321649960,0cyclictest0-21swapper/012:10:190
321649960,0cyclictest0-21swapper/008:13:360
321649960,0cyclictest0-21swapper/008:00:280
321649960,0cyclictest0-21swapper/007:13:290
24530260,1sleep10-21swapper/111:19:261
11639260,0sleep20-21swapper/207:30:182
321969955,0cyclictest35-21ksoftirqd/308:20:163
321969954,1cyclictest1029-21snmpd07:51:363
321969953,1cyclictest11923-21sed08:40:153
321969953,1cyclictest1092-21expr12:15:133
321969953,1cyclictest1029-21snmpd09:00:043
321969953,1cyclictest1029-21snmpd08:36:063
321969951,1cyclictest240-21systemd-journal08:54:553
321969950,2cyclictest240-21systemd-journal07:45:013
321969950,1cyclictest0-21swapper/309:25:303
321829955,0cyclictest61650irq/122-eno108:40:082
321829955,0cyclictest61650irq/122-eno108:35:102
321829955,0cyclictest61650irq/122-eno107:45:102
321829953,1cyclictest21535-21grep07:50:212
321829950,5cyclictest28-21ksoftirqd/207:20:202
321829950,3cyclictest0-21swapper/207:55:122
321829950,1cyclictest0-21swapper/207:40:122
321749955,0cyclictest0-21swapper/112:33:161
321749952,1cyclictest0-21swapper/111:00:161
321749951,1cyclictest0-21swapper/112:15:121
321749951,1cyclictest0-21swapper/111:45:161
321749950,5cyclictest0-21swapper/109:52:411
321749950,5cyclictest0-21swapper/109:08:291
321749950,3cyclictest0-21swapper/112:29:081
321749950,2cyclictest0-21swapper/110:50:181
321749950,2cyclictest0-21swapper/110:11:041
321749950,2cyclictest0-21swapper/107:10:111
321749950,1cyclictest0-21swapper/111:35:291
321749950,1cyclictest0-21swapper/109:46:331
321749950,0cyclictest0-21swapper/110:09:341
321749950,0cyclictest0-21swapper/107:28:291
321649950,4cyclictest27021-21telnet08:05:130
321649950,2cyclictest20064-21telnet07:50:130
321969941,2cyclictest15205-21apt-get07:40:123
321969940,2cyclictest0-21swapper/308:10:103
321969940,1cyclictest24634-21apt08:00:113
321969940,1cyclictest240-21systemd-journal08:15:003
321749944,0cyclictest0-21swapper/109:10:161
321749944,0cyclictest0-21swapper/108:02:151
321749944,0cyclictest0-21swapper/107:46:081
321749941,1cyclictest0-21swapper/111:56:191
321749941,0cyclictest0-21swapper/109:15:141
321749940,3cyclictest0-21swapper/112:00:151
321749940,3cyclictest0-21swapper/111:21:311
321749940,3cyclictest0-21swapper/107:50:161
321749940,3cyclictest0-21swapper/107:20:001
321749940,2cyclictest0-21swapper/111:27:461
321749940,2cyclictest0-21swapper/110:22:241
321749940,2cyclictest0-21swapper/108:50:001
321749940,1cyclictest0-21swapper/110:59:031
321749940,1cyclictest0-21swapper/110:00:151
321749940,1cyclictest0-21swapper/109:40:121
321749940,0cyclictest0-21swapper/111:10:241
321749940,0cyclictest0-21swapper/108:36:431
321749940,0cyclictest0-21swapper/108:26:411
321749930,2cyclictest0-21swapper/108:20:201
321749930,0cyclictest0-21swapper/108:05:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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