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2026-06-26 - 12:19
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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 rackdslot3.osadl.org (updated Fri Jun 26, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207173,22phc2sys0-21swapper/319:07:113
218892204170,22sleep10-21swapper/119:09:141
218812204171,22sleep00-21swapper/019:09:100
217272204170,23sleep20-21swapper/219:07:152
3103321690,7sleep12223999cyclictest20:35:191
259672750,1sleep00-21swapper/021:30:250
2224099642,60cyclictest11169-21kworker/2:100:25:342
2224099616,16cyclictest14180-21chrt23:22:402
2224099595,17cyclictest9464-21smartctl19:50:162
34742570,2sleep00-21swapper/020:45:170
2224099557,10cyclictest16688-21taskset21:11:242
122152550,6sleep02223899cyclictest19:55:180
2224099547,11cyclictest30674-21chrt23:56:272
2224099546,11cyclictest24101-21taskset21:29:542
2224099544,17cyclictest26460-21/usr/sbin/munin23:50:162
2224099544,10cyclictest323772sleep220:39:132
2224099537,13cyclictest28752-21chrt21:38:502
2224099537,12cyclictest29775-21chrt22:47:102
2224099536,12cyclictest29134-21taskset19:24:532
2224099536,11cyclictest1435-21chrt19:34:342
2224099535,17cyclictest2756-21/usr/sbin/munin00:05:262
22241995211,5cyclictest41-21ksoftirqd/319:15:153
22241995211,5cyclictest41-21ksoftirqd/319:15:143
2224099528,9cyclictest8212-21chrt22:02:162
2224099524,10cyclictest96002sleep220:56:542
2224099523,11cyclictest17748-21taskset22:22:442
2224099516,11cyclictest15431-21taskset00:32:152
2224099516,10cyclictest25095-21taskset22:38:022
2224199508,6cyclictest41-21ksoftirqd/321:44:593
2224199507,6cyclictest41-21ksoftirqd/322:40:113
2224099507,19cyclictest25263-21chrt20:24:002
2224099507,19cyclictest25263-21chrt20:24:002
2224099507,17cyclictest27370-21chrt20:25:452
2224099505,11cyclictest214742sleep221:21:452
2224099505,11cyclictest214742sleep221:21:452
2224099505,10cyclictest11898-21chrt21:00:432
2224099495,10cyclictest177992sleep200:37:102
2224099495,10cyclictest133472sleep219:58:452
305212480,2sleep00-21swapper/020:35:140
2224199489,6cyclictest41-21ksoftirqd/323:40:193
2224199486,6cyclictest41-21ksoftirqd/320:25:003
2224199486,6cyclictest41-21ksoftirqd/320:25:003
22241994831,9cyclictest41-21ksoftirqd/323:30:013
2224199477,5cyclictest41-21ksoftirqd/321:00:163
2224199475,5cyclictest41-21ksoftirqd/319:11:193
2224099477,12cyclictest27385-21taskset22:41:522
2224099476,17cyclictest26561-21chrt19:17:292
2224099476,17cyclictest26561-21chrt19:17:292
2224099475,39cyclictest116542sleep223:15:542
251292460,1sleep10-21swapper/119:15:151
251292460,1sleep10-21swapper/119:15:151
2224199467,5cyclictest41-21ksoftirqd/322:12:073
2224199466,6cyclictest41-21ksoftirqd/320:30:213
2224199466,5cyclictest41-21ksoftirqd/320:08:083
2224199466,4cyclictest41-21ksoftirqd/322:47:353
2224199460,6cyclictest41-21ksoftirqd/323:40:003
2224099467,5cyclictest0-21swapper/223:40:262
2224099465,12cyclictest3680-21taskset19:37:152
2224199457,5cyclictest41-21ksoftirqd/300:25:133
2224199456,6cyclictest41-21ksoftirqd/320:01:303
2224199456,5cyclictest41-21ksoftirqd/300:34:453
2224199455,6cyclictest41-21ksoftirqd/320:18:513
2224199455,5cyclictest41-21ksoftirqd/323:11:053
2224199455,5cyclictest41-21ksoftirqd/322:55:133
2224199455,5cyclictest41-21ksoftirqd/300:05:003
2224199454,6cyclictest5505-21grep19:40:233
2224199452,6cyclictest41-21ksoftirqd/319:27:163
2224099454,10cyclictest7983-21chrt00:15:512
2224199446,6cyclictest41-21ksoftirqd/320:45:223
2224199445,5cyclictest41-21ksoftirqd/319:30:533
2224199444,5cyclictest41-21ksoftirqd/321:20:213
2224199444,5cyclictest41-21ksoftirqd/321:20:213
22241994430,4cyclictest41-21ksoftirqd/323:15:243
2224099443,11cyclictest0-21swapper/223:28:262
2224199436,5cyclictest41-21ksoftirqd/321:10:273
2224199435,5cyclictest41-21ksoftirqd/322:32:103
2224199435,5cyclictest41-21ksoftirqd/322:08:353
2224199435,5cyclictest41-21ksoftirqd/319:54:203
2224199433,6cyclictest41-21ksoftirqd/322:35:253
2224199432,6cyclictest41-21ksoftirqd/322:19:103
2224199432,5cyclictest41-21ksoftirqd/300:10:233
2224099435,11cyclictest6987-21chrt23:07:552
2224099434,11cyclictest4476-21df_abs19:40:132
139391430,0ptp4l401ktimersoftd/321:16:533
2224199425,5cyclictest41-21ksoftirqd/323:20:223
2224199424,5cyclictest41-21ksoftirqd/323:09:253
2224199424,5cyclictest41-21ksoftirqd/321:35:173
2224199422,5cyclictest41-21ksoftirqd/321:09:463
2224199422,5cyclictest41-21ksoftirqd/320:25:203
22241994222,10cyclictest41-21ksoftirqd/323:45:123
2224099424,10cyclictest14670-21taskset22:15:242
2224099423,11cyclictest14420-21sshd21:07:392
2224199415,5cyclictest41-21ksoftirqd/300:05:263
2224199414,5cyclictest41-21ksoftirqd/320:57:463
2224199414,5cyclictest41-21ksoftirqd/319:35:243
2224199412,6cyclictest41-21ksoftirqd/320:50:133
2224199412,5cyclictest41-21ksoftirqd/321:25:143
2224099416,17cyclictest9359-21taskset23:11:522
2224099414,34cyclictest225522sleep222:30:492
22239994136,3cyclictest25-21ksoftirqd/123:15:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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