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2025-07-14 - 21:13
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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 rack2slot0.osadl.org (updated Mon Jul 14, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211721040,2sleep21265099cyclictest11:19:012
617821010,2sleep11264599cyclictest12:01:431
291102900,0sleep329111-21sshd12:22:273
274582740,1sleep1231rcuc/109:20:131
7392620,1sleep2684-21polkitd12:22:502
298702570,0sleep10-21swapper/112:10:121
220012570,5sleep125-21ksoftirqd/111:04:061
297162560,0sleep30-21swapper/312:13:143
117122550,1sleep311698-21sshd12:30:033
14952540,0sleep20-21swapper/210:07:482
306962530,0sleep30-21swapper/310:07:293
213792530,1sleep221372-21bash11:00:272
67722520,0sleep30-21swapper/309:14:273
36182520,1sleep09-21ksoftirqd/012:38:340
299752520,0sleep10-21swapper/111:08:081
51312510,1sleep3646-21dbus-daemon11:25:483
236822510,0sleep0111rcuc/011:10:590
137132510,0sleep20-21swapper/209:11:212
284172500,1sleep228314-21sshd09:30:312
94072490,0sleep20-21swapper/211:26:152
76612480,0sleep00-21swapper/010:11:420
1167024021,7sleep20-21swapper/207:05:222
1097724024,10sleep10-21swapper/107:05:161
82762380,0sleep30-21swapper/309:45:103
277922380,0sleep20-21swapper/209:05:002
190512350,0sleep20-21swapper/211:10:282
124182257,14sleep00-21swapper/007:08:350
123332218,7sleep30-21swapper/307:07:353
198052200,0sleep10-21swapper/111:44:151
3442190,0sleep00-21swapper/012:25:490
248042180,0sleep20-21swapper/210:46:572
235012180,0sleep30-21swapper/310:33:243
177062180,1sleep117665-21sshd09:32:501
83012170,1sleep18298-21lspci10:48:441
1264599170,8cyclictest646-21dbus-daemon09:53:361
9782160,0sleep20-21swapper/212:10:252
15282160,0sleep20-21swapper/211:45:302
1264599163,8cyclictest646-21dbus-daemon12:34:081
1264599163,6cyclictest646-21dbus-daemon12:05:411
1264599160,8cyclictest646-21dbus-daemon09:48:171
1264599160,8cyclictest21460-21rm10:13:081
1264599160,5cyclictest15830-21rm09:59:151
1264599160,5cyclictest10209-21sshd12:26:481
1264599160,4cyclictest22910-21sshd10:16:361
67552150,0sleep00-21swapper/009:58:210
14452150,0sleep00-21swapper/011:48:430
1264599154,8cyclictest684-21polkitd11:13:491
1264599154,7cyclictest684-21polkitd11:25:221
1264599154,5cyclictest684-21polkitd09:39:421
1264599152,8cyclictest10156-21id11:59:041
1264599151,7cyclictest646-21dbus-daemon10:31:591
1264599150,6cyclictest646-21dbus-daemon12:15:301
1264599150,6cyclictest646-21dbus-daemon09:18:051
1264599150,5cyclictest12158-21systemd-cgroups11:49:471
1264199152,1cyclictest646-21dbus-daemon12:19:410
47552140,0sleep30-21swapper/310:44:593
313192140,0sleep30-21swapper/312:35:053
220912140,0sleep30-21swapper/309:29:563
183362140,0sleep20-21swapper/210:22:422
1265099140,1cyclictest32623-21/usr/sbin/munin12:35:172
1264599144,7cyclictest684-21polkitd10:44:151
1264599143,5cyclictest684-21polkitd10:22:581
1264599142,6cyclictest646-21dbus-daemon10:53:251
1264599142,6cyclictest646-21dbus-daemon10:38:191
1264599142,5cyclictest11935-21bash12:36:141
1264599141,6cyclictest648-21systemd-logind10:05:301
1264599140,8cyclictest26581-21sshd09:13:051
1264599140,6cyclictest681-21gdbus10:02:051
1264599140,6cyclictest6595-21bash12:20:171
1264599140,6cyclictest646-21dbus-daemon10:27:561
1264599140,6cyclictest30326-21grep11:21:501
1264599140,6cyclictest30326-21grep11:21:491
1264599140,6cyclictest1-21systemd11:51:151
1264599140,5cyclictest17523-21sshd11:34:081
1264599140,5cyclictest13863-21sshd11:16:511
1264599140,5cyclictest10789-21bash09:25:181
1264199140,3cyclictest646-21dbus-daemon12:33:110
48862130,0sleep00-21swapper/010:44:590
263412130,0sleep30-21swapper/310:54:033
196572130,0sleep20-21swapper/211:37:412
196572130,0sleep20-21swapper/211:37:402
13322130,0sleep00-21swapper/009:31:050
12654991311,1cyclictest0-21swapper/309:42:223
1265099130,12cyclictest19529-21kworker/2:410:30:442
1265099130,0cyclictest121rcu_preempt09:35:332
1264599130,6cyclictest4543-21grep09:41:221
1264599130,6cyclictest20219-21sshd11:37:441
1264599130,6cyclictest20219-21sshd11:37:431
1264599130,6cyclictest12800-21sshd10:56:111
1264199132,1cyclictest7426-21bash10:59:110
1264199132,1cyclictest646-21dbus-daemon09:22:320
1264199131,3cyclictest18224-21bash09:49:290
1264199131,1cyclictest684-21polkitd10:33:570
12641991310,2cyclictest616-17auditd12:03:340
12641991310,2cyclictest0-21swapper/011:02:120
1264199130,5cyclictest697-21gdbus10:23:200
1264199130,5cyclictest684-21polkitd10:16:140
117762130,0sleep311774-21lspci11:33:323
12654991210,1cyclictest0-21swapper/309:52:523
1265499120,1cyclictest692-21NetworkManager11:14:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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