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2026-05-10 - 10:07
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Sun May 10, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199742980,11sleep3542999cyclictest21:49:103
542499614,27cyclictest1466-21sed00:18:532
5429995849,5cyclictest37-21ksoftirqd/319:53:573
542999583,49cyclictest0-21swapper/322:39:223
542499584,48cyclictest3891-21ssh00:21:282
542999574,47cyclictest0-21swapper/323:15:423
542499574,47cyclictest22951-21iostat_ios21:09:142
542499574,25cyclictest281ktimersoftd/200:29:432
5424995712,39cyclictest19098-21/usr/sbin/munin19:39:232
542499564,46cyclictest0-21swapper/221:19:342
541599564,46cyclictest0-21swapper/123:42:111
542999554,46cyclictest0-21swapper/300:04:213
5429995521,29cyclictest8877-21grep23:44:233
542499554,45cyclictest0-21swapper/221:40:242
542499553,45cyclictest0-21swapper/223:33:312
542499553,45cyclictest0-21swapper/223:33:312
487025511,14sleep10-21swapper/119:00:241
542999544,9cyclictest0-21swapper/322:06:533
542499544,44cyclictest0-21swapper/221:28:542
5415995411,37cyclictest0-21swapper/123:52:111
542999535,42cyclictest0-21swapper/321:35:143
542999533,45cyclictest0-21swapper/322:24:003
542499534,6cyclictest0-21swapper/222:28:132
542499532,44cyclictest23221-21perl19:49:132
542999525,14cyclictest0-21swapper/321:41:573
542999524,9cyclictest0-21swapper/322:15:233
542999523,44cyclictest0-21swapper/322:38:283
542499525,42cyclictest281ktimersoftd/222:03:232
542499523,8cyclictest0-21swapper/223:50:512
541599524,43cyclictest0-21swapper/123:54:211
542999516,14cyclictest14952-21timerwakeupswit23:09:243
542999514,41cyclictest0-21swapper/321:04:453
5429995112,34cyclictest3019-21timerandwakeup22:09:243
542499519,36cyclictest14772-21/usr/sbin/munin20:54:232
542499519,36cyclictest14772-21/usr/sbin/munin20:54:232
542499512,43cyclictest18028-21ssh23:57:342
541599514,41cyclictest0-21swapper/123:16:171
541599514,41cyclictest0-21swapper/122:57:221
542999505,40cyclictest0-21swapper/300:11:363
542999504,41cyclictest0-21swapper/321:20:103
542999504,40cyclictest0-21swapper/322:30:113
542999503,42cyclictest0-21swapper/323:39:513
542999503,41cyclictest6636-21ssh21:30:223
5429995012,6cyclictest0-21swapper/300:16:033
5429995011,33cyclictest0-21swapper/323:28:293
5429995011,33cyclictest0-21swapper/323:05:493
542499508,35cyclictest24705-21/usr/sbin/munin19:54:172
542499503,42cyclictest0-21swapper/222:11:532
5424995010,34cyclictest10881-21taskset23:48:302
542999498,7cyclictest0-21swapper/321:56:583
542999495,38cyclictest0-21swapper/300:21:193
542999494,40cyclictest0-21swapper/322:57:263
542999494,39cyclictest0-21swapper/321:47:003
542999494,38cyclictest0-21swapper/322:44:523
542999494,38cyclictest0-21swapper/322:44:523
542999493,41cyclictest0-21swapper/323:22:323
542499496,37cyclictest0-21swapper/223:25:332
542499494,39cyclictest0-21swapper/221:52:042
542499494,38cyclictest883-21ssh22:50:402
542499493,40cyclictest25583-21ssh00:07:412
5424994911,31cyclictest0-21swapper/223:18:562
541599496,38cyclictest0-21swapper/122:46:521
541599496,38cyclictest0-21swapper/122:46:521
541599495,38cyclictest0-21swapper/122:36:491
541599495,38cyclictest0-21swapper/100:15:571
541599495,38cyclictest0-21swapper/100:00:201
541599494,41cyclictest0-21swapper/121:40:011
541599494,39cyclictest0-21swapper/121:52:261
541599494,38cyclictest0-21swapper/121:55:441
541599493,41cyclictest0-21swapper/100:06:511
541599493,40cyclictest7564-21ssh00:26:171
542999484,38cyclictest0-21swapper/323:56:523
542999484,38cyclictest0-21swapper/321:13:083
542999484,38cyclictest0-21swapper/300:33:083
542999484,38cyclictest0-21swapper/300:24:353
542999484,38cyclictest0-21swapper/300:02:303
542999484,37cyclictest0-21swapper/323:33:563
542999484,37cyclictest0-21swapper/319:14:243
542999483,38cyclictest0-21swapper/321:14:203
5429994810,5cyclictest0-21swapper/323:29:253
5429994810,5cyclictest0-21swapper/323:29:253
542499489,7cyclictest20920-21ssh21:06:242
542499489,33cyclictest20060-21ssh23:16:542
542499489,33cyclictest16657-21/usr/sbin/munin20:59:132
542499488,35cyclictest7077-21latency_hist20:33:572
542499487,7cyclictest9600-21/usr/sbin/munin21:34:262
542499487,35cyclictest0-21swapper/222:19:002
542499486,36cyclictest0-21swapper/223:02:042
542499486,36cyclictest0-21swapper/221:46:232
542499485,15cyclictest0-21swapper/200:24:132
542499484,39cyclictest0-21swapper/222:36:432
542499484,38cyclictest0-21swapper/223:59:162
542499484,38cyclictest0-21swapper/223:10:282
542499484,38cyclictest0-21swapper/222:18:172
542499484,38cyclictest0-21swapper/221:33:382
542499484,38cyclictest0-21swapper/220:19:222
5424994812,30cyclictest24219-21/usr/sbin/munin21:54:222
5424994812,30cyclictest0-21swapper/220:04:132
5424994812,29cyclictest3551-21/usr/sbin/munin20:24:292
541599488,34cyclictest0-21swapper/123:24:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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