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2026-06-18 - 14:05
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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 Thu Jun 18, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140492211156,42sleep00-21swapper/007:09:130
140512207162,31sleep20-21swapper/207:09:162
140652203161,26sleep10-21swapper/107:09:271
137942198159,25sleep30-21swapper/307:05:543
62342220,0sleep00-21swapper/012:04:450
14196991614,1cyclictest7187-21ssh10:35:590
14196991513,1cyclictest6843-21diskmemload10:45:160
298302140,0sleep30-21swapper/311:07:023
298302140,0sleep30-21swapper/311:07:013
14196991412,1cyclictest0-21swapper/009:00:130
14196991411,2cyclictest26583-21pmu-power08:40:160
1420899130,12cyclictest0-21swapper/208:10:172
1419699133,9cyclictest32116-21/usr/sbin/munin07:45:120
1419699133,9cyclictest22689-21diskstats07:25:150
14196991312,1cyclictest6843-21diskmemload12:37:040
14196991312,1cyclictest6843-21diskmemload10:34:450
14196991312,1cyclictest6843-21diskmemload09:58:100
14196991312,1cyclictest6843-21diskmemload09:37:350
14196991312,1cyclictest0-21swapper/011:59:110
14196991312,1cyclictest0-21swapper/011:20:100
14196991312,1cyclictest0-21swapper/009:26:530
14196991312,1cyclictest0-21swapper/008:20:130
14196991311,2cyclictest10260-21ntp_states10:40:170
14196991311,1cyclictest6843-21diskmemload12:14:590
14196991311,1cyclictest27705-21/usr/sbin/munin08:45:190
1419699129,2cyclictest30520-21expr08:50:120
1419699129,2cyclictest20494-21fschecks_time07:20:140
1419699123,8cyclictest6843-21diskmemload09:31:290
1419699123,1cyclictest20511-21cstates10:55:130
1419699122,9cyclictest14046-21ssh10:00:450
14196991211,1cyclictest6843-21diskmemload11:38:440
14196991211,1cyclictest6843-21diskmemload10:06:160
14196991211,1cyclictest6843-21diskmemload09:15:350
14196991211,1cyclictest247982sleep008:36:160
14196991211,1cyclictest0-21swapper/012:05:160
14196991211,1cyclictest0-21swapper/011:54:490
14196991211,1cyclictest0-21swapper/011:05:110
14196991211,1cyclictest0-21swapper/011:05:100
14196991211,1cyclictest0-21swapper/011:00:130
14196991211,1cyclictest0-21swapper/010:10:100
14196991211,1cyclictest0-21swapper/008:55:130
14196991211,1cyclictest0-21swapper/007:35:150
14196991210,2cyclictest30673-21ls10:25:140
14196991210,1cyclictest6843-21diskmemload12:23:320
1421499110,8cyclictest31112-21apt-get11:10:103
1420899119,1cyclictest28-21ksoftirqd/212:10:152
1419699119,1cyclictest0-21swapper/011:40:220
1419699116,4cyclictest29842-21sh09:40:110
1419699116,4cyclictest0-21swapper/009:49:050
1419699115,5cyclictest15555-21ntp_states07:10:160
1419699114,6cyclictest17440-21/usr/sbin/munin07:15:170
1419699114,5cyclictest29430-21ssh10:23:130
1419699113,7cyclictest27026-21ssh11:48:200
14196991110,1cyclictest6843-21diskmemload12:11:110
14196991110,1cyclictest6843-21diskmemload11:33:580
14196991110,1cyclictest6843-21diskmemload11:18:510
14196991110,1cyclictest6843-21diskmemload10:17:150
14196991110,1cyclictest6843-21diskmemload09:11:070
14196991110,1cyclictest109162sleep008:09:490
14196991110,1cyclictest0-21swapper/012:25:130
14196991110,1cyclictest0-21swapper/011:15:010
14196991110,1cyclictest0-21swapper/010:50:160
14196991110,1cyclictest0-21swapper/009:52:110
14196991110,1cyclictest0-21swapper/009:22:220
14196991110,1cyclictest0-21swapper/007:30:140
14214991010,0cyclictest6843-21diskmemload10:32:503
1419699109,1cyclictest0-21swapper/012:30:240
1419699109,1cyclictest0-21swapper/011:26:490
1419699107,2cyclictest6265-21/usr/sbin/munin08:00:120
2399290,0sleep36843-21diskmemload11:15:123
142149996,2cyclictest1029-21snmpd07:39:163
142149990,6cyclictest18592-21kworker/u8:109:30:153
142149990,3cyclictest0-21swapper/308:50:103
142089999,0cyclictest0-21swapper/209:32:352
142089997,1cyclictest28-21ksoftirqd/208:30:012
141969997,1cyclictest5475-21tail09:05:140
142149986,1cyclictest3883-21cat12:00:153
142149986,1cyclictest1029-21snmpd12:31:163
142149986,1cyclictest1029-21snmpd10:59:513
142149986,1cyclictest1029-21snmpd09:12:223
142149981,5cyclictest14190-21cyclictest07:20:013
142149980,4cyclictest0-21swapper/309:15:013
142089986,1cyclictest61650irq/122-eno111:40:162
142089986,1cyclictest61650irq/122-eno111:20:102
142089986,1cyclictest1029-21snmpd08:18:122
142089985,2cyclictest28212-21latency_hist12:35:002
142089984,3cyclictest20284-21cron11:40:002
142089980,5cyclictest13296-21apt-get11:30:112
142029988,0cyclictest0-21swapper/112:33:581
141969987,1cyclictest0-21swapper/008:15:140
141969985,2cyclictest3782-21latency_hist07:55:000
141969984,2cyclictest240-21systemd-journal08:35:010
141969984,2cyclictest240-21systemd-journal08:30:000
141969982,5cyclictest0-21swapper/007:40:110
142149976,1cyclictest35-21ksoftirqd/311:30:003
142149976,1cyclictest1029-21snmpd09:44:023
142149976,1cyclictest1029-21snmpd08:42:473
142149975,1cyclictest15120-21ssh11:30:273
142149975,1cyclictest1029-21snmpd11:47:513
142149975,1cyclictest1029-21snmpd09:26:533
142149975,1cyclictest1029-21snmpd09:01:483
142149975,1cyclictest1029-21snmpd08:06:483
142149975,1cyclictest1029-21snmpd07:46:593
142149975,0cyclictest13650irq/124-ahci[0008:34:553
142149974,1cyclictest6843-21diskmemload11:38:103
142149973,3cyclictest6843-21diskmemload10:15:293
142149973,3cyclictest0-21swapper/311:56:263
142149972,3cyclictest0-21swapper/312:15:143
142149971,5cyclictest29149-21fschecks_time12:35:123
142149970,5cyclictest7350-21kworker/u8:007:10:263
142149970,5cyclictest0-21swapper/309:54:493
142149970,3cyclictest0-21swapper/311:03:213
142149970,3cyclictest0-21swapper/310:52:403
142149970,3cyclictest0-21swapper/310:37:533
142149970,2cyclictest0-21swapper/310:45:113
142149970,2cyclictest0-21swapper/310:21:543
142149970,2cyclictest0-21swapper/310:06:483
142149970,2cyclictest0-21swapper/309:58:523
142149970,2cyclictest0-21swapper/307:55:123
142149970,1cyclictest7683-21cat12:05:173
142089976,1cyclictest61650irq/122-eno112:35:122
142089976,1cyclictest61650irq/122-eno112:05:132
142089976,1cyclictest61650irq/122-eno111:45:392
142089976,1cyclictest61650irq/122-eno110:39:162
142089976,1cyclictest61650irq/122-eno110:20:422
142089976,1cyclictest61650irq/122-eno110:16:022
142089976,1cyclictest61650irq/122-eno110:02:302
142089976,1cyclictest61650irq/122-eno109:24:122
142089976,1cyclictest61650irq/122-eno109:17:152
142089976,1cyclictest61650irq/122-eno107:15:122
142089976,1cyclictest0-21swapper/211:14:292
142089976,0cyclictest61650irq/122-eno110:40:122
142089976,0cyclictest61650irq/122-eno110:30:152
142089975,1cyclictest61650irq/122-eno112:25:152
142089975,1cyclictest61650irq/122-eno112:15:122
142089975,1cyclictest61650irq/122-eno111:15:192
142089975,1cyclictest61650irq/122-eno110:05:142
142089975,1cyclictest61650irq/122-eno109:25:102
142089975,1cyclictest61650irq/122-eno109:10:002
142089975,1cyclictest61650irq/122-eno108:05:132
142089975,1cyclictest28-21ksoftirqd/211:05:052
142089975,1cyclictest28-21ksoftirqd/211:05:042
142089975,1cyclictest28-21ksoftirqd/208:55:002
142089975,1cyclictest25418-21cat07:30:142
142089975,1cyclictest1029-21snmpd10:59:222
142089975,1cyclictest1029-21snmpd07:21:262
142089972,2cyclictest31285-21/usr/sbin/munin10:25:172
142089970,6cyclictest0-21swapper/209:42:102
142089970,6cyclictest0-21swapper/208:03:152
142089970,5cyclictest8984-21chrt09:10:492
142089970,5cyclictest0-21swapper/212:01:482
142089970,4cyclictest31609-21apt-get07:45:102
142089970,2cyclictest0-21swapper/208:55:102
142029971,3cyclictest15633-21taskset10:48:451
142029971,3cyclictest0-21swapper/108:35:161
142029971,2cyclictest0-21swapper/109:20:461
142029971,1cyclictest0-21swapper/108:56:191
142029970,6cyclictest11810-21chrt10:43:131
142029970,1cyclictest0-21swapper/108:44:491
141969975,1cyclictest3900-21apt-get07:55:120
141969975,1cyclictest11163-21latency_hist08:09:590
142149966,0cyclictest6843-21diskmemload09:45:153
142149965,1cyclictest7176-21ntpq11:20:163
142149965,1cyclictest35-21ksoftirqd/307:45:013
142149965,1cyclictest35-21ksoftirqd/307:30:013
142149965,1cyclictest19678-21ssh12:21:173
142149965,1cyclictest12455-21ssh12:11:373
142149965,1cyclictest1029-21snmpd09:22:233
142149964,1cyclictest6843-21diskmemload09:35:463
142149964,1cyclictest14447-21ssh10:01:573
142149964,1cyclictest13286-21cron08:15:003
142149964,1cyclictest1029-21snmpd10:40:303
142149964,1cyclictest1029-21snmpd08:22:093
142149964,1cyclictest1029-21snmpd08:19:203
142149964,1cyclictest1029-21snmpd07:24:283
142149963,1cyclictest240-21systemd-journal08:50:003
142149962,3cyclictest0-21swapper/311:50:123
142149961,1cyclictest0-21swapper/308:35:103
142149960,4cyclictest0-21swapper/310:10:103
142149960,3cyclictest0-21swapper/312:25:123
142149960,3cyclictest0-21swapper/310:25:203
142149960,1cyclictest0-21swapper/311:41:053
142089966,0cyclictest61650irq/122-eno111:55:142
142089966,0cyclictest61650irq/122-eno111:53:162
142089966,0cyclictest61650irq/122-eno111:25:212
142089966,0cyclictest61650irq/122-eno111:00:132
142089966,0cyclictest61650irq/122-eno110:10:102
142089966,0cyclictest61650irq/122-eno109:55:152
142089966,0cyclictest61650irq/122-eno109:51:062
142089966,0cyclictest61650irq/122-eno109:45:152
142089966,0cyclictest61650irq/122-eno109:35:062
142089966,0cyclictest61650irq/122-eno109:02:422
142089966,0cyclictest61650irq/122-eno108:40:112
142089966,0cyclictest61650irq/122-eno108:35:572
142089966,0cyclictest61650irq/122-eno107:57:382
142089966,0cyclictest61650irq/122-eno107:53:412
142089965,1cyclictest61650irq/122-eno110:45:132
142089964,1cyclictest61650irq/122-eno107:25:152
142089964,1cyclictest61650irq/122-eno107:10:132
142089960,1cyclictest6843-21diskmemload10:50:122
142089960,1cyclictest0-21swapper/212:20:252
142089960,1cyclictest0-21swapper/207:40:472
142029961,5cyclictest0-21swapper/109:27:141
142029961,3cyclictest0-21swapper/111:15:121
142029961,2cyclictest0-21swapper/111:35:211
142029960,6cyclictest0-21swapper/112:13:371
142029960,6cyclictest0-21swapper/111:41:371
142029960,6cyclictest0-21swapper/111:10:261
142029960,6cyclictest0-21swapper/110:31:291
142029960,6cyclictest0-21swapper/110:29:001
142029960,6cyclictest0-21swapper/110:06:241
142029960,6cyclictest0-21swapper/109:40:151
142029960,6cyclictest0-21swapper/109:13:521
142029960,5cyclictest0-21swapper/110:51:191
142029960,5cyclictest0-21swapper/108:00:151
142029960,4cyclictest0-21swapper/111:55:421
142029960,4cyclictest0-21swapper/110:04:061
142029960,4cyclictest0-21swapper/109:16:571
142029960,4cyclictest0-21swapper/108:25:111
142029960,4cyclictest0-21swapper/107:10:101
142029960,3cyclictest0-21swapper/112:20:011
142029960,3cyclictest0-21swapper/110:12:441
142029960,2cyclictest0-21swapper/112:16:591
142029960,2cyclictest0-21swapper/112:05:111
142029960,1cyclictest0-21swapper/112:02:271
142029960,1cyclictest0-21swapper/107:38:221
142149954,1cyclictest19440-21ntpq08:25:173
142149953,1cyclictest1029-21snmpd09:06:553
142149953,1cyclictest1029-21snmpd08:57:193
142089954,1cyclictest28-21ksoftirqd/208:45:072
142089953,1cyclictest20890-21grep08:30:112
142089950,4cyclictest0-21swapper/207:35:132
142029951,2cyclictest0-21swapper/109:05:111
142029951,1cyclictest0-21swapper/111:30:181
142029950,5cyclictest0-21swapper/112:29:501
142029950,5cyclictest0-21swapper/111:00:141
142029950,5cyclictest0-21swapper/108:45:041
142029950,5cyclictest0-21swapper/108:32:491
142029950,4cyclictest0-21swapper/111:06:311
142029950,4cyclictest0-21swapper/111:06:311
142029950,4cyclictest0-21swapper/109:30:131
142029950,3cyclictest0-21swapper/111:20:291
142029950,3cyclictest0-21swapper/110:55:491
142029950,3cyclictest0-21swapper/110:39:311
142029950,3cyclictest0-21swapper/110:21:121
142029950,3cyclictest0-21swapper/110:16:131
142029950,2cyclictest0-21swapper/109:50:141
142029950,2cyclictest0-21swapper/108:50:121
142029950,1cyclictest0-21swapper/111:45:151
142029950,1cyclictest0-21swapper/109:46:011
142149942,2cyclictest24528-21apt-get07:30:113
142149942,1cyclictest693-21runrttasks08:03:063
142149942,1cyclictest1579-21aten_r1power_en07:50:113
142089944,0cyclictest61650irq/122-eno108:20:102
142029944,0cyclictest0-21swapper/107:18:521
142029941,2cyclictest0-21swapper/109:35:151
142029940,4cyclictest0-21swapper/108:10:511
142029940,4cyclictest0-21swapper/107:42:361
142029940,4cyclictest0-21swapper/107:24:091
142029940,3cyclictest0-21swapper/109:55:141
142029940,3cyclictest0-21swapper/107:45:141
142029940,2cyclictest0-21swapper/111:50:181
142029940,2cyclictest0-21swapper/109:00:101
142029940,2cyclictest0-21swapper/108:05:121
142029940,1cyclictest0-21swapper/112:35:561
142029940,1cyclictest0-21swapper/111:25:121
142029940,1cyclictest0-21swapper/107:50:111
142029940,1cyclictest0-21swapper/107:25:191
142029940,0cyclictest0-21swapper/108:22:441
142029940,0cyclictest0-21swapper/108:15:021
142029940,0cyclictest0-21swapper/107:57:391
142029931,1cyclictest0-21swapper/107:30:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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