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2026-04-14 - 04:22
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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 Apr 14, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43242730,0sleep21073799cyclictest00:10:382
236792690,0sleep557-21ksoftirqd/522:58:495
192732680,0sleep40-21swapper/422:11:554
122512600,0sleep50-21swapper/521:34:155
263592580,1sleep126353-21bash23:53:071
133072550,0sleep00-21swapper/023:35:360
206412520,1sleep020640-21systemd-cgroups23:28:310
70102510,0sleep67009-21sshd23:42:396
70102510,0sleep67009-21sshd23:42:396
156422500,0sleep00-21swapper/023:24:310
1025925024,10sleep50-21swapper/519:01:375
56082490,0sleep60-21swapper/600:06:506
48462490,2sleep51076099cyclictest21:07:165
44362490,1sleep24434-21grepconf.sh23:05:112
225892490,0sleep60-21swapper/619:26:046
1051824925,9sleep60-21swapper/619:05:076
288312480,1sleep21-21systemd22:32:592
38052470,0sleep40-21swapper/400:18:014
253112470,0sleep30-21swapper/323:51:093
50872460,0sleep30-21swapper/322:52:063
282792460,1sleep328274-21systemd00:06:153
258482460,0sleep70-21swapper/722:55:157
19872460,2sleep41075299cyclictest21:20:374
1037624624,8sleep70-21swapper/719:03:087
1029724635,8sleep30-21swapper/319:02:083
47142450,1sleep34692-21rm23:16:173
322342440,0sleep20-21swapper/221:22:192
201182440,0sleep40-21swapper/423:13:304
293402430,0sleep60-21swapper/622:29:196
257382430,0sleep30-21swapper/322:12:183
219082430,2sleep31074499cyclictest00:13:283
20572430,0sleep728566-21kworker/7:221:41:067
183132430,0sleep70-21swapper/723:33:597
144752430,0sleep40-21swapper/422:30:214
1044624331,9sleep10-21swapper/119:04:061
8342420,1sleep2808-21sshd23:14:162
53682420,0sleep10-21swapper/121:54:221
24182420,0sleep20-21swapper/221:26:112
165692420,1sleep416568-21grepconf.sh22:41:344
165692420,1sleep416568-21grepconf.sh22:41:344
322502410,0sleep70-21swapper/700:34:387
249452410,0sleep70-21swapper/722:17:507
189552410,0sleep30-21swapper/323:15:213
152112410,0sleep70-21swapper/700:15:007
1052324130,8sleep20-21swapper/219:05:112
1032524129,8sleep40-21swapper/419:02:334
300442400,0sleep50-21swapper/500:32:365
295002400,1sleep557-21ksoftirqd/523:08:265
244282400,0sleep20-21swapper/223:00:462
1044524027,9sleep00-21swapper/019:04:050
54322390,0sleep60-21swapper/623:31:186
303952390,0sleep00-21swapper/000:23:180
295502390,0sleep40-21swapper/421:59:294
315672380,0sleep30-21swapper/321:48:233
315672380,0sleep30-21swapper/321:48:233
296432380,0sleep50-21swapper/521:42:405
110772380,0sleep30-21swapper/323:37:163
22742370,0sleep422324-21kworker/4:323:16:104
95082340,0sleep00-21swapper/023:59:390
46072340,2sleep11072599cyclictest22:46:281
121922280,0sleep40-21swapper/422:46:554
1073799220,9cyclictest30296-21grepconf.sh00:15:522
125062210,1sleep212496-21bash21:15:382
1073799210,8cyclictest18938-21systemd23:58:182
1073799210,8cyclictest18755-21grepconf.sh23:24:422
1073799210,5cyclictest0-21swapper/200:27:512
259242200,0sleep6641ktimersoftd/623:11:566
1073799200,6cyclictest24611-21sshd00:02:202
1073799200,19cyclictest30838-21sshd23:53:232
49432190,0sleep30-21swapper/322:26:033
1073799190,9cyclictest31656-21bash22:14:332
1073799190,9cyclictest20163-21diskstats23:06:042
1073799190,8cyclictest18663-21bash22:17:292
1073799190,8cyclictest15075-21grepconf.sh21:40:022
1073799190,6cyclictest885-21polkitd22:02:262
1073799190,4cyclictest0-21swapper/223:48:192
1073799190,10cyclictest0-21swapper/200:12:382
10717991915,1cyclictest9-21ksoftirqd/023:37:020
10768991812,2cyclictest32741-21systemd22:44:266
10768991812,2cyclictest32741-21systemd22:44:266
10744991816,1cyclictest41-21ksoftirqd/321:59:513
1073799184,6cyclictest31832-21httpd21:33:412
1073799182,5cyclictest4179-21grep22:27:502
1073799180,9cyclictest32448-21sshd21:52:082
1073799180,8cyclictest1-21systemd00:22:452
1073799180,7cyclictest19667-21grep22:23:082
1073799180,6cyclictest8859-21cp23:37:082
1073799180,6cyclictest6492-21grepconf.sh23:31:222
1073799180,5cyclictest23989-21grep23:26:482
10717991815,1cyclictest9-21ksoftirqd/022:16:330
230152170,0sleep10-21swapper/100:21:021
1077699170,16cyclictest0-21swapper/721:07:097
1074499171,15cyclictest10238-21kworker/3:121:15:403
1073799170,9cyclictest19690-21sshd22:41:462
1073799170,9cyclictest19690-21sshd22:41:462
1073799170,9cyclictest10212-21sshd21:47:072
1073799170,9cyclictest10212-21sshd21:47:072
1073799170,7cyclictest16246-21bash23:16:582
1073799170,7cyclictest13458-21grepconf.sh21:10:062
1073799170,6cyclictest25486-1kworker/2:0H21:19:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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