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2026-06-17 - 01:26
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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 Wed Jun 17, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170492230155,25sleep00-21swapper/019:09:130
169642199159,26sleep20-21swapper/219:08:072
170252198158,27sleep10-21swapper/119:08:551
169752198158,25sleep30-21swapper/319:08:163
233162700,0sleep10-21swapper/119:20:121
78732590,0sleep30-21swapper/319:55:133
17195992019,1cyclictest28-21ksoftirqd/219:50:002
17195991817,1cyclictest28-21ksoftirqd/220:45:012
103582180,0sleep20-21swapper/222:35:202
17195991616,0cyclictest28-21ksoftirqd/222:50:202
17195991615,1cyclictest28-21ksoftirqd/222:27:132
17195991615,1cyclictest28-21ksoftirqd/221:45:122
17195991614,1cyclictest28-21ksoftirqd/200:15:012
17195991614,1cyclictest28-21ksoftirqd/200:00:212
17195991514,1cyclictest28-21ksoftirqd/223:29:172
17195991514,1cyclictest28-21ksoftirqd/200:35:042
17195991514,1cyclictest28-21ksoftirqd/200:06:012
17195991513,1cyclictest28-21ksoftirqd/200:20:002
1719599147,4cyclictest28-21ksoftirqd/220:40:122
17195991414,0cyclictest28-21ksoftirqd/223:16:362
17195991414,0cyclictest28-21ksoftirqd/222:43:042
17195991413,1cyclictest28-21ksoftirqd/221:22:192
17195991413,1cyclictest28-21ksoftirqd/200:27:482
17195991412,1cyclictest28-21ksoftirqd/223:00:012
17195991313,0cyclictest28-21ksoftirqd/222:21:162
17195991313,0cyclictest28-21ksoftirqd/221:33:282
17195991312,1cyclictest28-21ksoftirqd/223:59:502
17195991312,1cyclictest28-21ksoftirqd/221:17:192
17195991312,1cyclictest28-21ksoftirqd/220:55:012
17195991312,1cyclictest28-21ksoftirqd/220:25:132
17195991311,1cyclictest28-21ksoftirqd/222:50:012
17195991311,1cyclictest28-21ksoftirqd/221:45:002
17195991311,1cyclictest28-21ksoftirqd/221:30:002
17195991311,1cyclictest28-21ksoftirqd/220:05:212
17195991311,1cyclictest28-21ksoftirqd/220:00:012
17195991311,1cyclictest28-21ksoftirqd/219:50:002
17195991311,1cyclictest28-21ksoftirqd/219:20:002
17202991210,1cyclictest35-21ksoftirqd/319:49:593
17195991211,1cyclictest28-21ksoftirqd/223:50:112
17195991211,1cyclictest28-21ksoftirqd/223:40:112
17195991211,1cyclictest28-21ksoftirqd/222:30:142
17195991211,1cyclictest28-21ksoftirqd/222:15:142
17195991211,1cyclictest28-21ksoftirqd/221:59:442
17195991211,1cyclictest28-21ksoftirqd/221:15:002
17195991211,1cyclictest28-21ksoftirqd/221:05:002
17195991211,1cyclictest28-21ksoftirqd/220:00:172
17195991211,1cyclictest28-21ksoftirqd/219:15:012
17195991211,1cyclictest28-21ksoftirqd/200:20:032
17195991210,1cyclictest28-21ksoftirqd/223:35:002
17195991210,1cyclictest28-21ksoftirqd/223:05:182
17195991210,1cyclictest28-21ksoftirqd/222:10:122
17195991210,1cyclictest28-21ksoftirqd/222:00:132
17195991210,1cyclictest28-21ksoftirqd/221:35:122
17195991210,1cyclictest28-21ksoftirqd/221:00:002
17195991210,1cyclictest28-21ksoftirqd/220:40:002
17195991210,1cyclictest28-21ksoftirqd/219:25:002
17183991212,0cyclictest0-21swapper/020:00:120
1719599119,1cyclictest28-21ksoftirqd/223:45:112
1719599119,1cyclictest28-21ksoftirqd/223:10:202
1719599119,1cyclictest28-21ksoftirqd/223:00:142
1719599119,1cyclictest28-21ksoftirqd/220:25:002
1719599119,1cyclictest28-21ksoftirqd/220:15:142
1719599119,1cyclictest28-21ksoftirqd/220:10:002
17195991111,0cyclictest28-21ksoftirqd/222:07:262
17195991111,0cyclictest28-21ksoftirqd/200:33:332
17195991110,1cyclictest28-21ksoftirqd/223:35:102
17195991110,1cyclictest28-21ksoftirqd/223:20:132
17195991110,1cyclictest28-21ksoftirqd/221:05:112
17195991110,1cyclictest28-21ksoftirqd/219:45:002
17195991110,1cyclictest28-21ksoftirqd/219:34:192
17195991110,1cyclictest28-21ksoftirqd/219:25:142
1718399112,4cyclictest20301-21grep23:35:010
17183991110,1cyclictest9-21ksoftirqd/021:45:000
1720299109,1cyclictest35-21ksoftirqd/322:15:163
1720299109,1cyclictest35-21ksoftirqd/322:15:003
1720299109,1cyclictest35-21ksoftirqd/321:45:143
17202991010,0cyclictest35-21ksoftirqd/322:10:013
17202991010,0cyclictest35-21ksoftirqd/300:05:163
1719599109,1cyclictest28-21ksoftirqd/221:50:132
1719599109,1cyclictest28-21ksoftirqd/220:35:012
1719599107,3cyclictest28-21ksoftirqd/219:35:152
1718399109,1cyclictest9-21ksoftirqd/022:24:590
1718399109,1cyclictest9-21ksoftirqd/000:30:010
1718399108,1cyclictest9-21ksoftirqd/022:29:590
1718399103,4cyclictest31508-21latency_hist23:50:000
172029999,0cyclictest35-21ksoftirqd/300:15:153
172029998,1cyclictest35-21ksoftirqd/323:20:003
172029998,1cyclictest35-21ksoftirqd/323:05:213
172029998,1cyclictest35-21ksoftirqd/322:00:133
172029998,1cyclictest35-21ksoftirqd/321:30:133
172029998,1cyclictest35-21ksoftirqd/300:35:003
172029997,1cyclictest35-21ksoftirqd/321:25:223
172029991,7cyclictest19550-21munin-node19:36:343
172029991,4cyclictest30449-21apt-get22:20:123
171839998,1cyclictest9-21ksoftirqd/023:05:010
171839998,1cyclictest9-21ksoftirqd/021:15:160
171839998,1cyclictest9-21ksoftirqd/020:25:010
171839991,7cyclictest10463-21diskmemload21:20:220
2954280,0sleep30-21swapper/323:55:083
172029988,0cyclictest35-21ksoftirqd/321:35:013
172029987,1cyclictest35-21ksoftirqd/322:55:013
172029987,1cyclictest35-21ksoftirqd/300:25:163
172029987,1cyclictest35-21ksoftirqd/300:10:143
172029986,1cyclictest35-21ksoftirqd/320:45:003
171909980,8cyclictest0-21swapper/120:10:211
171839987,1cyclictest17180-21cyclictest23:41:340
171839986,1cyclictest9-21ksoftirqd/019:15:000
171839986,1cyclictest21731-21ssh23:35:170
171839986,1cyclictest1029-21snmpd23:11:580
171839986,1cyclictest1029-21snmpd22:34:340
171839986,1cyclictest1029-21snmpd20:42:320
171839986,1cyclictest0-21swapper/022:15:200
171839984,0cyclictest0-21swapper/019:34:400
171839981,6cyclictest8075-21sensors_temp00:00:190
171839981,1cyclictest11695-21ssh23:21:180
171839980,7cyclictest8166-21ssh23:16:460
2535270,0sleep10-21swapper/123:54:351
172029977,0cyclictest35-21ksoftirqd/322:35:203
172029977,0cyclictest35-21ksoftirqd/321:15:223
172029976,1cyclictest35-21ksoftirqd/323:50:143
172029976,1cyclictest35-21ksoftirqd/323:20:203
172029976,1cyclictest35-21ksoftirqd/321:55:003
172029976,1cyclictest35-21ksoftirqd/321:40:133
172029976,1cyclictest35-21ksoftirqd/320:20:003
172029976,1cyclictest35-21ksoftirqd/319:45:003
172029976,1cyclictest1029-21snmpd23:39:293
172029976,1cyclictest1029-21snmpd21:00:513
172029975,1cyclictest35-21ksoftirqd/319:15:013
172029975,1cyclictest1029-21snmpd22:26:123
172029974,1cyclictest294-21systemd-udevd20:34:083
172029974,1cyclictest240-21systemd-journal23:14:553
172029974,1cyclictest240-21systemd-journal23:01:583
172029973,2cyclictest294-21systemd-udevd21:50:093
172029973,2cyclictest294-21systemd-udevd20:46:083
172029973,2cyclictest240-21systemd-journal20:40:003
172029972,1cyclictest0-21swapper/323:45:133
172029970,6cyclictest12605-21ssh22:40:053
172029970,4cyclictest0-21swapper/323:27:243
172029970,3cyclictest0-21swapper/323:40:463
172029970,2cyclictest0-21swapper/321:24:563
171909971,3cyclictest0-21swapper/100:10:111
171909970,0cyclictest0-21swapper/120:54:141
171909970,0cyclictest0-21swapper/120:00:191
171839976,1cyclictest9-21ksoftirqd/020:55:010
171839976,1cyclictest9-21ksoftirqd/000:10:010
171839976,1cyclictest22017-21sh21:25:100
171839975,1cyclictest9-21ksoftirqd/023:50:120
171839975,1cyclictest9-21ksoftirqd/019:30:010
171839975,1cyclictest1029-21snmpd21:10:270
171839975,1cyclictest1029-21snmpd20:25:260
171839975,1cyclictest1029-21snmpd19:54:130
171839975,1cyclictest1029-21snmpd19:24:000
171839974,1cyclictest240-21systemd-journal21:05:000
171839970,6cyclictest379-21ssh00:35:060
171839970,6cyclictest28189-21taskset21:31:500
171839970,6cyclictest23224-21telnet22:10:100
171839970,6cyclictest22695-21tail00:20:150
171839970,6cyclictest21819-21ssh22:50:290
171839970,6cyclictest19183-1kworker/u9:223:05:230
171839970,6cyclictest18557-21ntp_states19:10:190
171839970,6cyclictest14423-21ntp_kernel_pll_23:25:180
171839970,6cyclictest13302-21perl22:40:150
171839970,6cyclictest10463-21diskmemload23:55:560
171839970,6cyclictest0-21swapper/020:05:170
171839970,6cyclictest0-21swapper/000:30:130
171839970,3cyclictest16464-21fschecks_time22:00:150
171839970,1cyclictest8913-21ssh22:35:010
171839970,1cyclictest14001-21ssh21:55:430
171839970,1cyclictest11735-21ssh21:54:470
171839970,1cyclictest10463-21diskmemload22:55:120
171839970,1cyclictest10463-21diskmemload22:45:130
171839970,1cyclictest10463-21diskmemload21:45:060
171839970,1cyclictest10463-21diskmemload00:06:010
171839970,1cyclictest0-21swapper/022:05:200
30802260,0sleep10-21swapper/123:48:051
30453260,0sleep10-21swapper/119:35:141
30411260,1sleep10-21swapper/122:20:061
172029965,1cyclictest35-21ksoftirqd/323:30:123
172029965,1cyclictest35-21ksoftirqd/321:05:143
172029965,1cyclictest35-21ksoftirqd/319:50:013
172029965,1cyclictest18737-21ssh22:47:143
172029965,1cyclictest1029-21snmpd22:55:223
172029965,1cyclictest1029-21snmpd22:34:273
172029965,1cyclictest1029-21snmpd20:10:083
172029964,1cyclictest35-21ksoftirqd/320:25:433
172029963,1cyclictest294-21systemd-udevd20:56:093
172029963,1cyclictest294-21systemd-udevd20:50:083
172029963,1cyclictest294-21systemd-udevd20:00:083
172029963,1cyclictest240-21systemd-journal21:10:013
172029963,1cyclictest240-21systemd-journal20:20:013
172029963,1cyclictest240-21systemd-journal20:09:563
172029963,1cyclictest240-21systemd-journal19:30:003
172029963,1cyclictest240-21systemd-journal19:20:003
172029963,1cyclictest240-21systemd-journal00:00:003
172029961,4cyclictest1029-21snmpd00:37:433
172029960,3cyclictest21917-21apt-get00:20:123
171909964,1cyclictest0-21swapper/100:25:121
171909963,0cyclictest0-21swapper/121:49:251
171909960,6cyclictest0-21swapper/123:25:261
171909960,6cyclictest0-21swapper/121:21:051
171909960,4cyclictest0-21swapper/123:44:161
171909960,4cyclictest0-21swapper/123:10:121
171909960,4cyclictest0-21swapper/121:19:201
171909960,3cyclictest0-21swapper/123:33:031
171909960,3cyclictest0-21swapper/121:38:091
171909960,0cyclictest0-21swapper/123:57:401
171909960,0cyclictest0-21swapper/122:19:311
171909960,0cyclictest0-21swapper/120:44:141
171909960,0cyclictest0-21swapper/120:39:121
171909960,0cyclictest0-21swapper/120:30:191
171909960,0cyclictest0-21swapper/120:29:101
171909960,0cyclictest0-21swapper/120:24:081
171909960,0cyclictest0-21swapper/120:19:071
171909960,0cyclictest0-21swapper/119:50:181
171909960,0cyclictest0-21swapper/119:15:191
171839965,1cyclictest9-21ksoftirqd/019:47:410
171839964,1cyclictest1029-21snmpd21:38:190
171839964,1cyclictest1029-21snmpd20:12:050
171839962,1cyclictest0-21swapper/019:40:110
171839961,0cyclictest20238-21ssh00:16:350
171839960,5cyclictest0-21swapper/020:19:030
171839960,1cyclictest8470-21grep19:55:160
171839960,0cyclictest0-21swapper/021:08:410
171839960,0cyclictest0-21swapper/020:59:480
171839960,0cyclictest0-21swapper/020:45:110
171839960,0cyclictest0-21swapper/020:30:130
171839960,0cyclictest0-21swapper/019:35:100
13555260,0sleep10-21swapper/121:13:531
172029954,1cyclictest35-21ksoftirqd/319:25:153
172029954,1cyclictest35-21ksoftirqd/319:10:133
171909955,0cyclictest0-21swapper/121:25:131
171909952,1cyclictest0-21swapper/123:05:011
171909952,1cyclictest0-21swapper/122:50:011
171909952,1cyclictest0-21swapper/121:09:551
171909952,1cyclictest0-21swapper/120:09:561
171909952,1cyclictest0-21swapper/119:29:551
171909950,3cyclictest0-21swapper/121:51:361
171909950,3cyclictest0-21swapper/121:32:221
171909950,3cyclictest0-21swapper/100:24:001
171909950,3cyclictest0-21swapper/100:17:151
171909950,3cyclictest0-21swapper/100:07:571
171909950,2cyclictest0-21swapper/121:56:571
171909950,2cyclictest0-21swapper/119:45:011
171909950,2cyclictest0-21swapper/100:04:361
171909950,1cyclictest0-21swapper/122:35:221
171909950,1cyclictest0-21swapper/122:11:191
171909950,1cyclictest0-21swapper/122:01:441
171909950,1cyclictest0-21swapper/120:45:161
171909950,0cyclictest0-21swapper/123:00:571
171909950,0cyclictest0-21swapper/122:56:091
171909950,0cyclictest0-21swapper/122:45:371
171909950,0cyclictest0-21swapper/121:44:251
171909950,0cyclictest0-21swapper/100:36:221
171839950,1cyclictest0-21swapper/020:35:010
171909944,0cyclictest0-21swapper/119:49:581
171909944,0cyclictest0-21swapper/119:31:091
171909944,0cyclictest0-21swapper/119:11:491
171909940,4cyclictest0-21swapper/121:01:371
171909940,3cyclictest0-21swapper/123:35:091
171909940,2cyclictest0-21swapper/123:20:081
171909940,2cyclictest0-21swapper/122:40:121
171909940,2cyclictest0-21swapper/122:05:021
171909940,2cyclictest0-21swapper/120:55:211
171909940,1cyclictest0-21swapper/123:15:271
171909940,1cyclictest0-21swapper/122:30:301
171909940,1cyclictest0-21swapper/122:25:201
171909940,1cyclictest0-21swapper/100:30:521
171909940,0cyclictest0-21swapper/120:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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