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2025-12-09 - 13:47
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Tue Dec 09, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216962700,0sleep10-21swapper/111:42:441
869925026,8sleep70-21swapper/706:49:577
868925025,9sleep60-21swapper/606:49:486
74912480,1sleep4481ktimersoftd/412:10:584
74912480,1sleep4481ktimersoftd/412:10:584
879324432,8sleep50-21swapper/506:51:155
87752440,0sleep20-21swapper/211:25:232
131242440,0sleep013115-21sshd10:01:520
170902430,1sleep557-21ksoftirqd/509:47:155
151532430,1sleep515152-21id10:46:505
212812420,0sleep20-21swapper/212:18:242
881224128,9sleep30-21swapper/306:51:303
878124129,9sleep40-21swapper/406:51:064
749024126,10sleep10-21swapper/106:49:031
27822410,0sleep00-21swapper/010:49:410
877724028,8sleep00-21swapper/006:51:020
3752400,0sleep50-21swapper/509:02:315
872323927,8sleep20-21swapper/206:50:162
197962380,1sleep719797-21sshd10:57:177
17662380,1sleep41770-21nfsd409:34:014
195782320,0sleep40-21swapper/410:18:144
918499237,15cyclictest1334-21bash09:08:057
108272200,1sleep510828-21nfsd406:54:035
918499187,0cyclictest0-21swapper/708:07:317
918499187,0cyclictest0-21swapper/708:07:317
918499187,0cyclictest0-21swapper/707:22:217
9184991813,0cyclictest0-21swapper/707:32:037
916999180,7cyclictest32607-21sshd12:09:465
916999180,7cyclictest32607-21sshd12:09:465
916999180,6cyclictest0-21swapper/511:35:205
916999180,6cyclictest0-21swapper/510:15:335
9184991713,0cyclictest0-21swapper/707:08:537
9184991712,5cyclictest0-21swapper/711:58:107
916999170,9cyclictest732-21NetworkManager10:12:345
916999170,9cyclictest4377-21sshd10:20:465
916999170,9cyclictest4377-21sshd10:20:465
916999170,8cyclictest6895-21sshd09:08:585
916999170,8cyclictest12990-21cp10:06:555
916999170,8cyclictest10280-21grep11:56:145
916999170,6cyclictest711-21dbus-daemon11:46:155
912799170,16cyclictest2549-21sshd11:39:370
187552170,0sleep00-21swapper/011:11:590
918499160,13cyclictest28703-21/usr/sbin/munin10:04:077
9177991614,1cyclictest65-21ksoftirqd/612:09:546
9177991614,1cyclictest65-21ksoftirqd/612:09:546
9177991613,3cyclictest65-21ksoftirqd/612:05:206
916999160,8cyclictest6067-21sshd12:00:365
916999160,7cyclictest711-21dbus-daemon09:50:485
916999160,7cyclictest18544-21systemd-cgroups11:11:585
916999160,6cyclictest668-21systemd-logind10:39:495
916999160,6cyclictest0-21swapper/511:01:355
916999160,6cyclictest0-21swapper/510:25:085
916999160,6cyclictest0-21swapper/509:34:195
916999160,10cyclictest740-21gdbus12:20:515
9155991610,3cyclictest41-21ksoftirqd/310:40:173
39042160,0sleep60-21swapper/612:15:326
114762160,2sleep4916199cyclictest12:06:414
918499158,7cyclictest0-21swapper/710:32:427
918499158,7cyclictest0-21swapper/710:32:427
918499150,9cyclictest0-21swapper/711:44:167
918499150,9cyclictest0-21swapper/709:11:477
918499150,9cyclictest0-21swapper/707:47:477
917799151,1cyclictest65-21ksoftirqd/610:33:576
916999150,9cyclictest711-21dbus-daemon12:15:365
916999150,9cyclictest711-21dbus-daemon09:43:035
916999150,9cyclictest30251-21sshd10:53:595
916999150,7cyclictest12757-21sshd12:06:535
916999150,7cyclictest10713-21sshd11:25:425
916999150,7cyclictest0-21swapper/509:16:275
916999150,6cyclictest711-21dbus-daemon08:55:295
916999150,6cyclictest0-21swapper/510:51:375
916999150,6cyclictest0-21swapper/510:37:505
916999150,6cyclictest0-21swapper/510:02:305
916999150,6cyclictest0-21swapper/509:21:435
9155991510,3cyclictest740-21gdbus11:32:583
914799150,10cyclictest0-21swapper/211:48:452
918499148,6cyclictest2198-21sshd10:25:227
918499148,6cyclictest0-21swapper/711:58:587
918499148,6cyclictest0-21swapper/711:19:527
918499148,1cyclictest5770-21kernelversion08:39:057
918499148,0cyclictest0-21swapper/707:16:197
918499142,0cyclictest0-21swapper/708:36:177
9177991413,1cyclictest65-21ksoftirqd/611:44:136
9177991412,1cyclictest711-21dbus-daemon11:54:466
9177991412,1cyclictest65-21ksoftirqd/611:12:136
9177991411,1cyclictest65-21ksoftirqd/611:21:576
9177991411,1cyclictest65-21ksoftirqd/610:09:586
9177991410,3cyclictest65-21ksoftirqd/611:26:196
9177991410,1cyclictest65-21ksoftirqd/610:49:356
917799141,1cyclictest65-21ksoftirqd/609:39:216
916999140,7cyclictest0-21swapper/509:25:265
916999140,6cyclictest0-21swapper/511:19:435
916999140,6cyclictest0-21swapper/511:17:375
916999140,6cyclictest0-21swapper/510:30:335
916999140,6cyclictest0-21swapper/510:30:335
916999140,6cyclictest0-21swapper/509:06:025
916999140,5cyclictest32127-21sshd11:49:125
916999140,13cyclictest4701-21sshd11:30:115
914799140,1cyclictest0-21swapper/210:17:382
918499138,5cyclictest0-21swapper/712:09:367
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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