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2026-07-29 - 10:07
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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 Wed Jul 29, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71522281248,22sleep10-21swapper/119:05:431
72472280250,20sleep20-21swapper/219:06:432
74292266235,21sleep00-21swapper/019:09:030
73432252219,22sleep30-21swapper/319:07:573
253162630,1sleep20-21swapper/222:22:492
42482610,0sleep10-21swapper/122:10:171
213302600,0sleep00-21swapper/022:40:050
251572570,0sleep10-21swapper/122:03:541
11102550,0sleep30-21swapper/321:49:533
295882540,0sleep10-21swapper/123:42:391
83712170,0sleep20-21swapper/220:20:152
229672160,0sleep10-21swapper/123:00:161
182832160,0sleep10-21swapper/122:00:011
16112150,0sleep10-21swapper/100:24:071
761299149,4cyclictest28-21ksoftirqd/200:00:002
7612991211,1cyclictest28-21ksoftirqd/221:10:012
7612991211,1cyclictest28-21ksoftirqd/200:00:002
70262120,0sleep10-21swapper/121:15:151
761299118,2cyclictest28-21ksoftirqd/223:40:002
761299118,2cyclictest28-21ksoftirqd/222:30:012
761299111,1cyclictest28-21ksoftirqd/221:45:002
7612991110,1cyclictest28-21ksoftirqd/223:00:002
761299109,1cyclictest28-21ksoftirqd/221:20:012
761299108,2cyclictest28-21ksoftirqd/220:20:012
761299108,1cyclictest271rcuc/221:29:592
761299108,1cyclictest271rcuc/200:10:012
761299107,2cyclictest28-21ksoftirqd/222:00:012
760399100,9cyclictest27585-21dump-pmu-power21:05:000
76129998,1cyclictest28-21ksoftirqd/223:05:012
76129998,1cyclictest28-21ksoftirqd/220:50:002
76129997,1cyclictest28-21ksoftirqd/219:15:022
76129997,1cyclictest28-21ksoftirqd/200:40:002
76129996,2cyclictest28-21ksoftirqd/219:25:012
76129996,2cyclictest28-21ksoftirqd/219:20:022
76129996,1cyclictest28-21ksoftirqd/222:20:012
76079998,1cyclictest2250ksoftirqd/100:00:011
28905290,1sleep20-21swapper/222:05:232
76149985,2cyclictest658-21snmpd22:05:373
76149983,3cyclictest275-21systemd-journal23:10:013
76149983,3cyclictest275-21systemd-journal22:41:103
76129987,1cyclictest28-21ksoftirqd/223:10:022
76129987,1cyclictest28-21ksoftirqd/221:00:012
76129987,1cyclictest271rcuc/223:35:012
76129986,2cyclictest28-21ksoftirqd/222:45:002
76129985,2cyclictest28-21ksoftirqd/221:05:012
76129983,3cyclictest275-21systemd-journal23:20:172
76129982,4cyclictest141rcu_preempt22:03:172
76129980,2cyclictest28-21ksoftirqd/221:35:112
76079983,2cyclictest22-21ksoftirqd/121:05:011
6636280,0sleep00-21swapper/000:26:340
76149974,2cyclictest504-21dbus-daemon00:22:243
76149973,3cyclictest275-21systemd-journal20:25:013
76149973,3cyclictest25007-21cat19:45:173
76149973,3cyclictest11690-21sed19:15:213
76149973,3cyclictest11689-21cron20:30:013
76149973,1cyclictest0-21swapper/322:49:543
76149973,1cyclictest0-21swapper/300:26:433
76149972,3cyclictest275-21systemd-journal19:15:013
76129976,1cyclictest28-21ksoftirqd/223:55:002
76129976,1cyclictest28-21ksoftirqd/222:55:002
76129976,1cyclictest28-21ksoftirqd/222:40:002
76129976,1cyclictest28-21ksoftirqd/221:55:002
76129976,1cyclictest28-21ksoftirqd/220:40:002
76129976,1cyclictest28-21ksoftirqd/219:55:012
76129976,1cyclictest271rcuc/220:55:002
76129975,2cyclictest28-21ksoftirqd/223:50:002
76129975,1cyclictest32152-21ssh23:44:362
76129973,1cyclictest141rcu_preempt21:30:202
76129973,1cyclictest141rcu_preempt20:40:202
76129972,3cyclictest141rcu_preempt00:15:252
76129972,1cyclictest28-21ksoftirqd/223:25:142
76129972,0cyclictest28-21ksoftirqd/222:49:582
76129971,4cyclictest271rcuc/200:25:142
76129970,5cyclictest28-21ksoftirqd/223:15:222
76079973,3cyclictest275-21systemd-journal23:36:361
76079973,3cyclictest275-21systemd-journal00:25:181
76079970,6cyclictest0-21swapper/119:15:181
76039974,2cyclictest17387-21sshd22:56:220
76039973,3cyclictest11599-21apt-get22:15:140
76039973,2cyclictest275-21systemd-journal21:40:530
76039972,3cyclictest275-21systemd-journal21:55:010
76039972,3cyclictest275-21systemd-journal20:44:560
76039972,3cyclictest275-21systemd-journal20:00:000
76039972,3cyclictest275-21systemd-journal00:01:330
76149963,2cyclictest663-21runrttasks21:40:473
76149963,2cyclictest658-21snmpd21:05:133
76149963,2cyclictest4750-21sshd20:11:543
76149963,2cyclictest4714-21sh00:05:553
76149963,2cyclictest23717-21ssh22:21:373
76149963,2cyclictest23115-21cron20:55:003
76149963,2cyclictest18900-21ssh00:15:123
76149963,2cyclictest16377-21ssh23:35:123
76149963,2cyclictest14795-21cron23:15:013
76149963,2cyclictest14168-21grep22:35:163
76149963,2cyclictest11490-21taskset22:34:083
76149963,1cyclictest0-21swapper/322:55:123
76149963,1cyclictest0-21swapper/300:35:213
76149962,3cyclictest865-21cat21:30:163
76149962,3cyclictest6889-21cat21:15:163
76149962,3cyclictest658-21snmpd23:59:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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