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2026-05-08 - 05:22
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Fri May 08, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149472282252,20sleep10-21swapper/119:08:041
150872275244,20sleep00-21swapper/019:09:510
150792271241,19sleep20-21swapper/219:09:462
148312260228,22sleep30-21swapper/319:06:483
200552950,0sleep30-21swapper/323:34:373
59612650,0sleep012-21ksoftirqd/022:08:250
71212620,0sleep20-21swapper/200:05:152
6312580,0sleep30-21swapper/300:20:333
253382580,0sleep20-21swapper/222:20:122
327162570,0sleep00-21swapper/023:22:250
93742560,0sleep30-21swapper/300:25:543
184552560,0sleep00-21swapper/000:12:050
88922530,0sleep20-21swapper/200:25:342
25702220,0sleep10-21swapper/122:05:491
163622200,0sleep20-21swapper/221:15:562
317642190,0sleep00-21swapper/022:24:030
257622180,0sleep10-21swapper/122:00:211
224142180,0sleep10-21swapper/120:35:121
310872170,0sleep20-21swapper/221:25:132
201842170,0sleep10-21swapper/123:53:571
62902150,1sleep20-21swapper/220:00:022
227822150,0sleep00-21swapper/022:37:520
152282150,0sleep10-21swapper/123:30:551
1520099140,1cyclictest169912sleep119:10:271
1520499132,8cyclictest658-21snmpd21:59:042
1520499130,1cyclictest30560-21ssh00:39:312
1520099132,7cyclictest0-21swapper/100:26:481
1520499121,8cyclictest14117-21sh21:54:132
1520099121,7cyclictest25317-21sh23:18:081
1520099120,1cyclictest9482-21apt-get22:30:151
102402120,0sleep20-21swapper/222:50:122
1520499112,8cyclictest504-21dbus-daemon20:50:012
1520499112,5cyclictest4545-21ssh21:48:172
1520499112,5cyclictest27955-21ssh22:40:252
1520499112,5cyclictest0-21swapper/223:35:442
1520499111,9cyclictest6426-21apt-get21:30:122
1520499111,8cyclictest27057-21chrt19:33:062
1520499111,6cyclictest658-21snmpd22:55:352
1520499111,6cyclictest0-21swapper/223:26:362
1520499110,7cyclictest14206-21sh22:32:402
1520499110,7cyclictest10801-21chrt21:13:042
1520499110,6cyclictest275-21systemd-journal19:28:072
1520499110,6cyclictest16500-21ssh23:12:462
1520499110,2cyclictest905-21ssh23:03:472
1520499110,2cyclictest32507-21ssh23:22:142
1520499110,2cyclictest28854-21ssh21:24:072
1520499110,2cyclictest24322-21cpu20:40:112
1520499110,2cyclictest22529-21diskstats23:55:152
1520499110,2cyclictest19961-21ssh22:16:232
1520499110,2cyclictest18200-21ssh00:11:532
1520499110,1cyclictest22277-21ssh22:37:292
1520099113,7cyclictest4799-21apt-key23:45:001
1520099112,5cyclictest658-21snmpd22:43:531
1520099110,7cyclictest0-21swapper/123:23:301
1520099110,3cyclictest28587-21sh21:43:151
1520099110,2cyclictest24602-21ssh21:20:511
1520099110,1cyclictest11093-21ssh23:09:591
1519699119,1cyclictest12-21ksoftirqd/000:19:590
1519699118,2cyclictest12-21ksoftirqd/000:00:010
1520499101,7cyclictest275-21systemd-journal23:45:022
1520499101,5cyclictest31301-21seq19:40:332
1520499100,6cyclictest3032-21ssh00:22:262
1520499100,6cyclictest15192-21ssh23:30:522
1520499100,3cyclictest5801-21ssh22:27:372
1520499100,3cyclictest32419-21ssh23:41:232
1520499100,3cyclictest24560-21ssh00:15:252
1520499100,3cyclictest21047-21ssh23:54:362
1520499100,2cyclictest5703-21sshd19:57:282
1520499100,2cyclictest5095-21ssh23:05:232
1520499100,2cyclictest32633-21chrt20:56:342
1520499100,2cyclictest25071-21ssh21:40:342
1520499100,2cyclictest22520-21ssh00:34:422
1520499100,2cyclictest2207-21ssh00:02:172
1520499100,2cyclictest18949-21ssh21:37:162
1520499100,1cyclictest33222sleep219:50:332
1520499100,1cyclictest32391-21ssh22:05:022
1520499100,1cyclictest24004-21ssh22:00:122
1520499100,1cyclictest14460-21ssh22:13:322
1520499100,1cyclictest126642chrt20:12:222
1520499100,0cyclictest0-21swapper/220:20:112
1520099103,6cyclictest19374-21sshd20:27:321
1520099101,2cyclictest658-21snmpd23:49:181
1520099100,3cyclictest28325-21chrt20:47:571
1520099100,3cyclictest275-21systemd-journal21:05:001
1520099100,1cyclictest25241-21ssh23:56:261
1520099100,1cyclictest24779-21ssh22:58:351
1520099100,1cyclictest18434-21ssh22:35:161
1520099100,1cyclictest16793-21sed20:20:191
1520099100,1cyclictest16488-21ssh21:16:031
1520099100,1cyclictest13454-21ssh21:34:261
1520099100,1cyclictest11705-21ssh22:11:271
1520099100,1cyclictest1033-21ssh23:03:531
1520099100,1cyclictest0-21swapper/123:28:241
1520099100,1cyclictest0-21swapper/122:50:191
1520099100,1cyclictest0-21swapper/121:47:561
1520099100,0cyclictest0-21swapper/119:40:121
1519699109,1cyclictest12-21ksoftirqd/021:40:000
1519699109,1cyclictest12-21ksoftirqd/019:20:010
1519699109,1cyclictest12-21ksoftirqd/000:40:000
1519699107,2cyclictest12-21ksoftirqd/022:30:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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