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2026-06-11 - 15:51
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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 Jun 11, 2026 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71892318288,20sleep10-21swapper/107:09:111
53012306277,19sleep20-21swapper/207:05:102
71322278247,21sleep00-21swapper/007:08:260
71862253225,18sleep30-21swapper/307:09:093
161022640,0sleep10-21swapper/111:17:481
50712610,0sleep10-21swapper/109:33:321
266432610,0sleep10-21swapper/111:24:331
249102570,0sleep30-21swapper/310:44:113
175042570,0sleep10-21swapper/110:59:231
142372570,0sleep30-21swapper/311:35:493
181332550,0sleep20-21swapper/211:58:252
9542540,0sleep30-21swapper/310:29:423
257842540,0sleep00-21swapper/010:25:020
184902540,0sleep20-21swapper/212:18:042
298042180,0sleep20-21swapper/210:46:342
239772180,0sleep00-21swapper/008:55:110
321792160,0sleep00-21swapper/009:30:120
161812150,0sleep00-21swapper/010:58:220
154652140,0sleep10-21swapper/112:15:431
177772130,0sleep20-21swapper/211:19:062
122162130,1sleep07380-21cyclictest12:14:490
75142100,0sleep00-21swapper/009:55:000
73949997,2cyclictest28-21ksoftirqd/210:15:022
73949997,2cyclictest28-21ksoftirqd/207:40:002
73949997,1cyclictest28-21ksoftirqd/212:30:002
73949981,6cyclictest4258-21apt-get11:50:102
73909987,1cyclictest221ksoftirqd/111:35:001
73909984,3cyclictest275-21systemd-journal11:40:381
73909984,3cyclictest275-21systemd-journal07:41:181
73859984,3cyclictest275-21systemd-journal09:14:090
3579280,0sleep00-21swapper/012:28:500
3069280,0sleep10-21swapper/111:49:271
73979973,3cyclictest658-21snmpd10:54:493
73979973,3cyclictest504-21dbus-daemon09:09:593
73979973,3cyclictest275-21systemd-journal07:39:263
73979973,3cyclictest0-21swapper/309:35:323
73979973,2cyclictest275-21systemd-journal11:09:553
73979972,4cyclictest658-21snmpd11:42:053
73979971,5cyclictest1-21systemd07:15:003
73949973,3cyclictest658-21snmpd10:07:332
73949972,2cyclictest275-21systemd-journal08:57:492
73909976,1cyclictest0-21swapper/111:28:201
73909973,3cyclictest504-21dbus-daemon12:30:171
73909973,3cyclictest504-21dbus-daemon12:00:201
73859971,3cyclictest19675-21munin-run11:40:010
73859970,6cyclictest275-21systemd-journal09:41:410
24925270,0sleep10-21swapper/112:21:391
24925270,0sleep10-21swapper/112:21:391
15024270,0sleep30-21swapper/310:37:543
8373260,0sleep20-21swapper/212:31:092
73979963,2cyclictest7947-21sh11:32:223
73979963,2cyclictest658-21snmpd12:07:323
73979963,2cyclictest3883-21ssh09:52:103
73979963,2cyclictest34-21ksoftirqd/311:55:113
73979963,2cyclictest32342-21ssh10:48:313
73979963,2cyclictest275-21systemd-journal08:51:583
73979963,2cyclictest275-21systemd-journal07:50:133
73979963,2cyclictest25574-21ssh09:25:433
73979963,2cyclictest22355-21rm11:01:423
73979963,2cyclictest17777-21apt10:20:123
73979963,2cyclictest17346-21ssh12:17:103
73979963,2cyclictest16687-21sh12:36:123
73979963,2cyclictest16389-21awk09:40:133
73979963,2cyclictest15849-21awk09:20:143
73979963,1cyclictest0-21swapper/310:17:453
73979963,1cyclictest0-21swapper/310:00:133
73979962,3cyclictest7389-21awk08:15:193
73979962,3cyclictest658-21snmpd11:15:313
73979962,3cyclictest658-21snmpd09:30:013
73979962,3cyclictest658-21snmpd08:55:593
73979962,3cyclictest658-21snmpd08:48:413
73979962,3cyclictest658-21snmpd08:28:243
73979962,3cyclictest658-21snmpd08:28:243
73979962,3cyclictest658-21snmpd08:22:473
73979962,3cyclictest504-21dbus-daemon08:02:213
73979962,3cyclictest4979-21cat11:50:133
73979962,3cyclictest30098-21cat07:55:153
73979962,3cyclictest28009-21expr11:25:123
73979962,3cyclictest275-21systemd-journal12:30:173
73979962,3cyclictest275-21systemd-journal11:10:453
73979962,3cyclictest25814-21cat10:05:153
73979962,3cyclictest24631-21cat09:45:143
73979962,3cyclictest1855-21tune2fs08:05:133
73979962,2cyclictest674-21lldpd08:40:453
73979962,1cyclictest0-21swapper/310:56:243
73979961,4cyclictest1-21systemd10:10:193
73979960,6cyclictest0-21swapper/312:25:313
73979960,6cyclictest0-21swapper/310:31:003
73979960,3cyclictest20645-21/usr/sbin/munin12:00:133
73979960,2cyclictest31797-21head09:10:163
73979960,0cyclictest0-21swapper/311:47:443
73949966,0cyclictest0-21swapper/211:20:332
73949966,0cyclictest0-21swapper/210:50:132
73949966,0cyclictest0-21swapper/210:36:092
73949964,1cyclictest28-21ksoftirqd/208:35:012
73949963,2cyclictest7496-21ssh09:54:582
73949963,2cyclictest663-21runrttasks12:35:532
73949963,2cyclictest658-21snmpd10:44:242
73949963,2cyclictest658-21snmpd09:40:102
73949963,2cyclictest658-21snmpd08:00:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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