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2026-03-26 - 23:31
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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 Thu Mar 26, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322552323294,19sleep20-21swapper/207:05:062
15882312280,22sleep10-21swapper/107:07:181
15872275244,20sleep00-21swapper/007:07:170
14912254227,17sleep30-21swapper/307:06:033
273842660,0sleep00-21swapper/010:29:340
266282650,0sleep30-21swapper/310:09:513
287432610,0sleep20-21swapper/211:48:362
188512610,0sleep10-21swapper/107:45:141
276762600,0sleep00-21swapper/010:10:120
232962590,1sleep00-21swapper/012:05:000
32792560,0sleep00-21swapper/010:53:490
312162560,1sleep30-21swapper/310:11:593
314252550,0sleep20-21swapper/210:50:302
146472520,0sleep20-21swapper/212:39:092
157252230,1sleep115691-21ssh12:00:121
61512210,0sleep00-21swapper/011:35:010
97542200,0sleep20-21swapper/211:36:352
95792200,0sleep30-21swapper/309:20:133
297742190,0sleep00-21swapper/009:12:410
40052170,0sleep10-21swapper/111:52:561
289512160,0sleep00-21swapper/011:48:460
158842160,0sleep2271rcuc/212:00:132
88872140,0sleep20-21swapper/208:35:122
68422140,0sleep30-21swapper/308:30:123
275332140,0sleep10-21swapper/109:10:581
183402140,0sleep30-21swapper/309:25:143
1925991311,1cyclictest34-21ksoftirqd/310:40:003
216902120,0sleep10-21swapper/112:23:311
1920991211,1cyclictest28-21ksoftirqd/210:20:002
1920991211,1cyclictest28-21ksoftirqd/210:10:002
127222120,0sleep20-21swapper/209:41:062
192099116,2cyclictest28-21ksoftirqd/207:50:012
192099108,2cyclictest28-21ksoftirqd/210:40:012
192099108,2cyclictest28-21ksoftirqd/209:05:002
192099108,1cyclictest28-21ksoftirqd/207:25:012
192099107,2cyclictest28-21ksoftirqd/210:00:012
192099107,2cyclictest28-21ksoftirqd/209:30:002
192099107,2cyclictest28-21ksoftirqd/207:20:012
8355290,1sleep38356-21sendmail_mailqu07:20:173
19259997,1cyclictest34-21ksoftirqd/307:15:013
19209998,1cyclictest28-21ksoftirqd/212:30:002
19209998,1cyclictest28-21ksoftirqd/208:30:002
19209992,4cyclictest491-21systemd-logind08:17:402
19209992,1cyclictest141rcu_preempt09:15:002
19129994,3cyclictest275-21systemd-journal11:00:450
19129993,3cyclictest10251-21turbostat10:00:010
19129992,4cyclictest26093-21idleruntime-cro09:50:010
4149280,0sleep30-21swapper/311:14:023
19259983,3cyclictest275-21systemd-journal11:50:013
19209987,1cyclictest28-21ksoftirqd/210:45:012
19209987,1cyclictest28-21ksoftirqd/210:35:012
19209987,1cyclictest28-21ksoftirqd/208:55:002
19209987,1cyclictest28-21ksoftirqd/207:45:012
19209987,1cyclictest271rcuc/210:15:012
19209986,2cyclictest28-21ksoftirqd/212:00:012
19209985,2cyclictest658-21snmpd11:31:262
19209985,2cyclictest28-21ksoftirqd/209:10:002
19209985,2cyclictest28-21ksoftirqd/207:35:012
19209985,2cyclictest28-21ksoftirqd/207:15:012
19209983,1cyclictest141rcu_preempt07:25:482
19209982,4cyclictest28-21ksoftirqd/212:15:552
19209982,4cyclictest28-21ksoftirqd/211:14:252
19209982,4cyclictest23592-21cron12:25:002
19209981,5cyclictest28-21ksoftirqd/210:20:152
19209981,5cyclictest28-21ksoftirqd/208:45:132
19209981,5cyclictest28-21ksoftirqd/208:20:162
19209981,3cyclictest28-21ksoftirqd/209:35:382
19179986,1cyclictest9063-21kworker/u8:211:40:201
19129984,2cyclictest275-21systemd-journal09:40:370
19259974,2cyclictest11403-21dump-pmu-power10:20:003
19259973,3cyclictest8597-21grep12:35:133
19259973,3cyclictest658-21snmpd08:53:063
19259973,3cyclictest275-21systemd-journal10:35:003
19259973,2cyclictest275-21systemd-journal11:07:063
19259973,2cyclictest275-21systemd-journal09:03:003
19259973,1cyclictest24504-21diskmemload11:28:073
19259972,3cyclictest275-21systemd-journal08:20:003
19209976,1cyclictest28-21ksoftirqd/211:50:012
19209975,2cyclictest28-21ksoftirqd/209:30:132
19209974,2cyclictest504-21dbus-daemon08:01:182
19209974,1cyclictest28-21ksoftirqd/210:25:142
19209973,3cyclictest28-21ksoftirqd/210:58:372
19209973,2cyclictest275-21systemd-journal12:10:002
19209972,3cyclictest28-21ksoftirqd/212:33:312
19209972,3cyclictest28-21ksoftirqd/212:08:052
19209972,3cyclictest28-21ksoftirqd/211:29:212
19209972,3cyclictest141rcu_preempt11:07:032
19209972,2cyclictest1398-21grep09:15:142
19209971,4cyclictest28-21ksoftirqd/208:30:132
19209971,3cyclictest28-21ksoftirqd/207:50:162
19209970,5cyclictest19753-21perf09:00:002
19179976,1cyclictest22-21ksoftirqd/111:00:011
19179975,2cyclictest22-21ksoftirqd/111:40:011
19179975,2cyclictest22-21ksoftirqd/109:40:001
19179973,3cyclictest658-21snmpd12:12:061
19179973,3cyclictest658-21snmpd10:34:091
19179973,3cyclictest275-21systemd-journal10:05:011
19129973,3cyclictest658-21snmpd12:33:400
19129973,3cyclictest658-21snmpd10:08:210
19129973,3cyclictest504-21dbus-daemon09:38:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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