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2026-04-29 - 13:25
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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 Apr 29, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245322302272,20sleep10-21swapper/119:07:581
244172296266,19sleep20-21swapper/219:06:302
245772273242,20sleep00-21swapper/019:08:320
245702270237,22sleep30-21swapper/319:08:283
139862640,0sleep30-21swapper/300:23:123
155342620,0sleep20-21swapper/222:27:032
197172610,0sleep10-21swapper/123:47:151
90972570,0sleep10-21swapper/123:40:221
300122550,0sleep10-21swapper/122:16:171
65172540,0sleep20-21swapper/222:40:532
303652240,0sleep30-21swapper/300:13:313
295712180,0sleep20-21swapper/221:37:412
307822170,0sleep10-21swapper/121:38:371
301752150,0sleep20-21swapper/223:53:522
237542150,0sleep00-21swapper/021:15:090
195712130,0sleep00-21swapper/022:49:310
52832100,0sleep30-21swapper/323:19:503
286702100,0sleep20-21swapper/223:14:112
2481899107,2cyclictest28-21ksoftirqd/222:35:012
2481899107,2cyclictest28-21ksoftirqd/221:45:022
2481899105,1cyclictest28-21ksoftirqd/221:00:112
2481399102,2cyclictest275-21systemd-journal00:29:391
2480999102,2cyclictest141rcu_preempt19:50:120
248209997,2cyclictest34-21ksoftirqd/323:00:013
248189996,2cyclictest658-21snmpd23:44:092
248189996,2cyclictest28-21ksoftirqd/200:29:592
248189993,4cyclictest28-21ksoftirqd/223:56:382
248189992,5cyclictest28-21ksoftirqd/222:15:192
248189990,5cyclictest28-21ksoftirqd/222:24:312
248189990,2cyclictest28-21ksoftirqd/221:00:012
248139992,3cyclictest177422sh22:28:461
248209982,5cyclictest504-21dbus-daemon00:15:193
248189987,1cyclictest28-21ksoftirqd/221:10:002
248189987,1cyclictest28-21ksoftirqd/220:45:012
248189987,1cyclictest28-21ksoftirqd/219:15:012
248189986,2cyclictest28-21ksoftirqd/220:00:012
248189982,4cyclictest28-21ksoftirqd/223:18:182
248189982,4cyclictest28-21ksoftirqd/220:20:182
248189982,4cyclictest28-21ksoftirqd/219:50:182
248189982,4cyclictest271rcuc/200:12:082
248189981,5cyclictest28-21ksoftirqd/222:06:042
248189981,5cyclictest28-21ksoftirqd/222:00:132
248189981,5cyclictest28-21ksoftirqd/221:57:262
248189981,5cyclictest28-21ksoftirqd/200:07:362
248189981,5cyclictest0-21swapper/200:37:032
248189981,4cyclictest14396-21diskmemload00:20:432
248189981,1cyclictest25050-21apt-get00:30:122
248189981,1cyclictest141rcu_preempt19:45:182
248189980,2cyclictest28-21ksoftirqd/221:25:132
248209975,2cyclictest34-21ksoftirqd/323:05:013
248209975,1cyclictest20503-21ssh00:07:153
248209973,3cyclictest658-21snmpd20:57:473
248209973,3cyclictest658-21snmpd20:36:423
248209973,3cyclictest275-21systemd-journal23:05:173
248209973,2cyclictest275-21systemd-journal19:25:143
248209973,1cyclictest0-21swapper/300:30:253
248189976,1cyclictest28-21ksoftirqd/220:55:012
248189976,1cyclictest28-21ksoftirqd/219:40:012
248189976,1cyclictest271rcuc/222:35:192
248189976,1cyclictest271rcuc/222:11:312
248189975,2cyclictest28-21ksoftirqd/219:35:012
248189973,1cyclictest28-21ksoftirqd/223:31:132
248189973,1cyclictest28-21ksoftirqd/223:25:192
248189973,1cyclictest28-21ksoftirqd/221:52:002
248189972,3cyclictest28-21ksoftirqd/223:20:582
248189972,3cyclictest28-21ksoftirqd/220:30:132
248189972,3cyclictest28-21ksoftirqd/220:26:562
248189972,3cyclictest28-21ksoftirqd/220:12:272
248189972,1cyclictest28-21ksoftirqd/200:00:172
248189972,1cyclictest271rcuc/221:10:002
248189972,0cyclictest141rcu_preempt22:55:422
248189971,4cyclictest28-21ksoftirqd/223:35:162
248189971,4cyclictest28-21ksoftirqd/223:35:162
248189971,4cyclictest28-21ksoftirqd/222:53:412
248189971,4cyclictest28-21ksoftirqd/221:20:152
248189971,4cyclictest28-21ksoftirqd/219:10:132
248189971,4cyclictest0-21swapper/223:00:112
248189971,4cyclictest0-21swapper/221:32:022
248189971,3cyclictest28-21ksoftirqd/221:45:132
248189971,3cyclictest0-21swapper/223:05:162
248189970,5cyclictest28-21ksoftirqd/200:15:072
248189970,5cyclictest0-21swapper/223:46:492
248189970,4cyclictest0-21swapper/221:15:402
248189970,2cyclictest28-21ksoftirqd/222:45:132
248189970,2cyclictest28-21ksoftirqd/220:35:172
248139973,3cyclictest658-21snmpd20:25:161
248139973,3cyclictest275-21systemd-journal19:30:011
248139973,3cyclictest17472-21sshd20:04:281
248139973,3cyclictest14254-21ntpq19:55:171
248139973,3cyclictest14122-21latency_hist23:25:011
248139973,2cyclictest275-21systemd-journal21:30:511
248139972,2cyclictest1127-21ssh23:35:381
248139972,2cyclictest1127-21ssh23:35:381
248099976,1cyclictest12-21ksoftirqd/020:00:010
248099976,1cyclictest12-21ksoftirqd/019:30:010
248099973,3cyclictest658-21snmpd23:51:290
248099973,3cyclictest560-21gdbus22:45:000
248099973,3cyclictest32608-21cron21:44:560
248099973,1cyclictest0-21swapper/022:17:150
248099972,3cyclictest275-21systemd-journal22:14:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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