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2026-06-19 - 00:14
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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