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2026-06-07 - 17:39
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Sun Jun 07, 2026 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171962318287,20sleep20-21swapper/207:06:452
173692272211,20sleep30-21swapper/307:08:583
171942266235,20sleep00-21swapper/007:06:430
172682264231,22sleep10-21swapper/107:07:401
197432610,0sleep00-21swapper/009:35:420
107772600,0sleep30-21swapper/308:00:193
243942580,0sleep30-21swapper/309:58:283
128132580,0sleep30-21swapper/311:28:533
178912570,0sleep20-21swapper/207:10:142
48952560,0sleep20-21swapper/209:46:142
85742540,0sleep00-21swapper/010:08:210
128642160,0sleep20-21swapper/208:05:192
6472150,0sleep00-21swapper/011:20:570
318422130,0sleep10-21swapper/111:59:301
17580991311,1cyclictest34-21ksoftirqd/310:20:013
144372130,0sleep00-21swapper/012:08:090
248042120,0sleep20-21swapper/210:18:052
209022120,0sleep10-21swapper/111:52:341
17580991211,1cyclictest34-21ksoftirqd/307:45:003
115962120,0sleep10-21swapper/111:08:401
94772110,0sleep10-21swapper/111:26:181
297982110,0sleep10-21swapper/111:00:111
1758099119,1cyclictest34-21ksoftirqd/311:20:013
1758099119,1cyclictest34-21ksoftirqd/309:10:013
1758099119,1cyclictest34-21ksoftirqd/308:15:013
17580991110,1cyclictest34-21ksoftirqd/309:25:003
17580991110,1cyclictest34-21ksoftirqd/307:15:023
1758099109,1cyclictest34-21ksoftirqd/311:39:593
1758099108,1cyclictest34-21ksoftirqd/311:10:013
1758099106,2cyclictest10647-21rm10:09:573
175809998,1cyclictest34-21ksoftirqd/307:50:003
175809997,1cyclictest34-21ksoftirqd/308:25:013
175809997,1cyclictest34-21ksoftirqd/307:30:013
175809996,2cyclictest34-21ksoftirqd/309:00:013
175809990,3cyclictest34-21ksoftirqd/310:45:123
23273280,0sleep10-21swapper/110:36:181
175809987,1cyclictest34-21ksoftirqd/312:05:013
175809987,1cyclictest34-21ksoftirqd/311:55:003
175809987,1cyclictest34-21ksoftirqd/311:35:003
175809987,1cyclictest34-21ksoftirqd/311:05:013
175809987,1cyclictest34-21ksoftirqd/309:39:593
175809987,1cyclictest34-21ksoftirqd/309:29:593
175809987,1cyclictest331rcuc/310:35:123
175809986,2cyclictest34-21ksoftirqd/309:34:593
175809986,1cyclictest34-21ksoftirqd/309:05:013
175809986,1cyclictest34-21ksoftirqd/308:40:003
175809985,2cyclictest34-21ksoftirqd/312:20:013
175809983,1cyclictest141rcu_preempt09:15:123
175809982,4cyclictest141rcu_preempt09:49:033
175809980,0cyclictest141rcu_preempt12:25:013
175759983,4cyclictest0-21swapper/211:20:122
175759982,4cyclictest492-21munin-run09:24:592
175669983,3cyclictest275-21systemd-journal12:25:010
175669982,3cyclictest9784-21ssh10:28:420
175809976,1cyclictest34-21ksoftirqd/311:45:143
175809976,1cyclictest34-21ksoftirqd/310:45:003
175809976,1cyclictest34-21ksoftirqd/309:45:003
175809976,1cyclictest34-21ksoftirqd/307:55:013
175809976,1cyclictest34-21ksoftirqd/307:40:003
175809975,2cyclictest34-21ksoftirqd/312:20:023
175809975,2cyclictest34-21ksoftirqd/310:25:013
175809975,2cyclictest34-21ksoftirqd/308:00:013
175809974,2cyclictest275-21systemd-journal10:35:003
175809973,3cyclictest275-21systemd-journal12:10:193
175809973,3cyclictest275-21systemd-journal08:46:273
175809973,3cyclictest275-21systemd-journal07:34:373
175809972,5cyclictest141rcu_preempt10:02:573
175809972,4cyclictest658-21snmpd10:59:523
175809972,4cyclictest658-21snmpd10:59:523
175809972,3cyclictest141rcu_preempt11:10:083
175809972,1cyclictest17188-21sshd10:13:373
175809972,1cyclictest141rcu_preempt10:50:173
175809971,5cyclictest34-21ksoftirqd/311:25:013
175759973,3cyclictest275-21systemd-journal10:45:022
175759972,2cyclictest16858-21grep12:10:012
175759970,4cyclictest25151-21turbostat07:25:002
175719974,2cyclictest504-21dbus-daemon09:20:391
175719973,3cyclictest26174-11brltty07:12:461
175719972,3cyclictest1-21systemd10:20:001
175719970,5cyclictest10179-21ssh12:25:011
175719970,1cyclictest11786-21ssh12:06:081
175669976,1cyclictest0-21swapper/009:58:010
175669974,2cyclictest658-21snmpd10:57:060
175669974,2cyclictest658-21snmpd10:57:060
175669973,3cyclictest979-21apt-get09:25:100
175669973,3cyclictest28310-21smart_sda10:00:180
175669973,3cyclictest275-21systemd-journal11:55:160
175669973,3cyclictest2700-21memory12:20:150
175669973,2cyclictest304-21systemd-udevd11:50:350
175669971,3cyclictest29375-21idleruntime-cro08:45:010
175809965,1cyclictest34-21ksoftirqd/311:40:003
175809965,1cyclictest34-21ksoftirqd/308:45:003
175809965,1cyclictest34-21ksoftirqd/308:35:003
175809965,1cyclictest34-21ksoftirqd/308:20:013
175809965,1cyclictest34-21ksoftirqd/307:15:023
175809963,2cyclictest34-21ksoftirqd/308:55:013
175809963,2cyclictest26251-21rm11:55:203
175809963,2cyclictest10310-21sh10:29:073
175809962,3cyclictest658-21snmpd12:06:513
175809962,3cyclictest658-21snmpd09:10:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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