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2026-05-05 - 07:49
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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 May 05, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80229912118,37cyclictest13550irq/24-ahci[00021:22:512
239222740,0sleep123921-21systemd-cgroups22:41:521
804199670,66cyclictest12494-21kworker/5:321:22:515
8042995839,19cyclictest1967-21kworker/6:521:22:516
69712540,0sleep10-21swapper/100:29:001
62552530,0sleep00-21swapper/023:45:260
782525027,8sleep30-21swapper/319:08:293
3622500,1sleep449-21ksoftirqd/400:20:384
314692500,1sleep131467-21grepconf.sh21:56:181
234532500,0sleep60-21swapper/623:46:286
774224926,8sleep50-21swapper/519:07:195
768224925,8sleep00-21swapper/019:06:340
760524926,8sleep10-21swapper/119:05:311
286892490,1sleep028674-21bash22:20:200
199312490,0sleep10-21swapper/121:14:221
167812490,0sleep00-21swapper/023:08:420
167812490,0sleep00-21swapper/023:08:420
8008994827,21cyclictest0-21swapper/021:22:500
773924724,8sleep20-21swapper/219:07:162
58092470,0sleep4471rcuc/400:07:174
48212470,0sleep10-21swapper/123:07:551
48212470,0sleep10-21swapper/123:07:551
320182460,1sleep0721-21dbus-daemon22:32:060
63352450,1sleep31-21systemd21:34:343
74032440,0sleep40-21swapper/422:32:344
60442440,1sleep56039-21grepconf.sh21:36:285
43822430,0sleep40-21swapper/423:49:154
25342420,1sleep72537-21cpuspeed_turbos21:54:407
163512420,0sleep40-21swapper/422:49:164
116542420,1sleep511651-21sshd23:34:105
77112410,0sleep30-21swapper/323:02:043
767724128,9sleep40-21swapper/419:06:304
42272410,0sleep00-21swapper/022:14:520
307502410,0sleep50-21swapper/500:12:385
170482410,0sleep50-21swapper/500:17:515
157812410,0sleep20-21swapper/200:27:252
760224028,9sleep70-21swapper/719:05:297
313902400,1sleep233-21ksoftirqd/221:38:012
255972400,0sleep10-21swapper/122:27:581
172742400,0sleep60-21swapper/622:45:176
138912400,0sleep00-21swapper/023:41:580
773423928,8sleep60-21swapper/619:07:126
229642390,0sleep30-21swapper/321:33:383
149522390,0sleep30-21swapper/321:23:373
307922380,2sleep2802299cyclictest00:14:432
168062380,0sleep50-21swapper/521:33:165
85822370,0sleep30-21swapper/323:51:303
40022350,2sleep1801499cyclictest21:21:021
804399260,25cyclictest12215-21kworker/7:121:22:507
803899230,22cyclictest1978-21grepconf.sh21:22:514
803899210,2cyclictest22415-21sshd22:37:274
803899210,2cyclictest2122-21kill22:04:174
803899210,11cyclictest857-21polkitd00:26:014
803899210,11cyclictest2785-21sshd21:19:094
803899210,1cyclictest721-21dbus-daemon21:13:414
803899210,1cyclictest1-21systemd22:14:594
803899201,9cyclictest6207-21sshd00:01:314
803899200,8cyclictest0-21swapper/400:16:544
803899200,2cyclictest27990-21systemd22:55:354
803899200,1cyclictest3978-21grepconf.sh22:24:464
803899200,1cyclictest1-21systemd22:53:574
803899200,1cyclictest0-21swapper/423:24:334
803899190,9cyclictest15956-21grep23:32:264
803899190,8cyclictest7537-21sshd22:06:354
803899190,7cyclictest0-21swapper/400:34:304
803899190,3cyclictest31692-21sshd21:36:044
803899190,3cyclictest2108-21grep22:10:134
803899190,2cyclictest5222-21sshd23:03:594
803899190,2cyclictest11540-21sshd23:51:414
803899190,10cyclictest30923-21grepconf.sh21:32:094
803899180,8cyclictest721-21dbus-daemon23:09:204
803899180,8cyclictest721-21dbus-daemon23:09:204
803899180,8cyclictest721-21dbus-daemon21:26:304
803899180,8cyclictest5781-21sshd21:48:434
803899180,7cyclictest721-21dbus-daemon21:41:194
803899180,3cyclictest31676-21bash23:15:324
803899180,3cyclictest23017-21kill23:22:524
191532180,1sleep773-21ksoftirqd/721:53:447
803899170,8cyclictest25599-21sshd23:13:154
803899170,2cyclictest5207-21sshd22:20:534
803899170,2cyclictest4596-21grepconf.sh00:30:494
803899170,2cyclictest1-21systemd22:42:114
803899170,12cyclictest30132-21systemd23:57:014
803899170,1cyclictest0-21swapper/423:41:024
8014991712,1cyclictest25-21ksoftirqd/123:00:581
8008991715,1cyclictest19937-21systemd00:12:000
8042991614,1cyclictest65-21ksoftirqd/622:37:496
8041991611,1cyclictest30049-21sshd22:12:235
804199160,15cyclictest29653-21kworker/5:022:55:175
8022991614,2cyclictest33-21ksoftirqd/223:06:482
8022991614,2cyclictest33-21ksoftirqd/223:06:482
86662150,0sleep60-21swapper/622:56:226
60002150,1sleep1756-21sshd00:38:451
301642150,0sleep00-21swapper/021:54:250
270122150,0sleep50-21swapper/521:12:415
266622150,0sleep40-21swapper/423:34:574
247062150,0sleep20-21swapper/222:20:062
131982150,1sleep113175-21bash23:39:581
8041991410,1cyclictest57-21ksoftirqd/523:27:055
804199140,10cyclictest0-21swapper/522:14:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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