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2026-06-10 - 17:55
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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 Wed Jun 10, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
393399804,69cyclictest0-21swapper/312:13:223
393399732,35cyclictest29403-21/usr/sbin/munin09:58:333
393399732,35cyclictest29403-21/usr/sbin/munin09:58:333
393399722,64cyclictest7030-21/usr/sbin/munin09:28:403
393399714,60cyclictest0-21swapper/311:18:423
393399703,61cyclictest7536-21ssh11:38:053
393399703,61cyclictest7536-21ssh11:38:053
393399683,35cyclictest13068-21/usr/sbin/munin11:43:443
393399682,60cyclictest17538-21/usr/sbin/munin11:08:353
393399682,32cyclictest13082-21/usr/sbin/munin10:18:383
3933996812,51cyclictest0-21swapper/309:41:273
393399673,58cyclictest0-21swapper/310:38:423
393399673,58cyclictest0-21swapper/308:58:283
393399672,6cyclictest11670-21ssh10:17:533
393399672,59cyclictest9740-21ssh11:39:423
393399672,59cyclictest23027-21/usr/sbin/munin11:58:323
393399672,59cyclictest21425-21ssh11:55:243
393399669,51cyclictest4819-21fschecks_count10:08:263
393399668,52cyclictest0-21swapper/309:27:483
393399665,55cyclictest0-21swapper/309:53:173
393399665,55cyclictest0-21swapper/309:53:173
393399662,58cyclictest3815-21ssh10:07:143
393399662,58cyclictest2379-21ssh10:48:163
393399655,54cyclictest0-21swapper/311:29:283
393399655,54cyclictest0-21swapper/309:04:163
393399654,56cyclictest0-21swapper/310:47:113
393399653,56cyclictest643-21runrttasks10:23:373
393399652,57cyclictest28889-21/usr/sbin/munin11:23:273
393399652,57cyclictest27845-21switchtime12:03:373
393399652,57cyclictest21886-21/usr/sbin/munin09:48:423
393399652,57cyclictest19663-21/usr/sbin/munin10:28:393
393399652,56cyclictest19594-21ssh09:43:483
393399652,34cyclictest874-21ssh12:11:223
393399645,53cyclictest0-21swapper/309:17:473
393399645,53cyclictest0-21swapper/309:17:473
393399645,53cyclictest0-21swapper/309:08:483
393399645,53cyclictest0-21swapper/309:08:483
393399644,54cyclictest0-21swapper/312:23:353
393399644,54cyclictest0-21swapper/310:58:363
393399644,54cyclictest0-21swapper/309:18:543
393399642,56cyclictest8978-21ssh10:56:403
393399642,56cyclictest25527-21ssh10:35:093
393399642,56cyclictest10737-21/usr/sbin/munin09:33:433
393399633,55cyclictest16907-21ssh11:48:513
3917996333,26cyclictest3-21ksoftirqd/009:03:140
393399624,52cyclictest0-21swapper/311:13:533
393399612,31cyclictest15198-21ssh11:03:493
3929995926,28cyclictest22646-21grep09:48:342
3929995826,27cyclictest1756-21sendmail_mailst10:03:362
391799574,9cyclictest0-21swapper/010:18:120
392299564,46cyclictest0-21swapper/111:10:191
391799564,46cyclictest0-21swapper/012:17:580
3929995522,28cyclictest5162-21grep08:23:472
392299555,44cyclictest0-21swapper/112:14:321
391799554,44cyclictest0-21swapper/011:20:030
391799553,47cyclictest0-21swapper/009:59:150
391799553,47cyclictest0-21swapper/009:59:150
3929995421,28cyclictest1379-21grep08:13:452
392299543,9cyclictest0-21swapper/110:42:541
3922995412,10cyclictest15955-21cut07:28:301
391799544,46cyclictest0-21swapper/012:04:140
391799543,30cyclictest0-21swapper/011:44:510
343725410,15sleep10-21swapper/106:55:261
3933995323,25cyclictest6830-21timerandwakeup08:28:433
393399532,45cyclictest4953-21idleruntime06:58:313
392999532,45cyclictest8238-21latency08:33:342
392299534,42cyclictest0-21swapper/111:40:301
3922995311,37cyclictest1736-21latency_hist12:13:101
391799534,43cyclictest0-21swapper/010:37:200
343925311,36sleep30-21swapper/306:55:283
393399522,44cyclictest9010-21sh12:22:333
392999523,9cyclictest0-21swapper/206:58:482
3929995221,26cyclictest807-21ls09:18:422
3929995218,29cyclictest643-21runrttasks12:27:142
3929995216,31cyclictest29379-21timerandwakeup09:13:412
3929995216,31cyclictest29379-21timerandwakeup09:13:412
3929995214,32cyclictest12734-21ntpdc07:18:372
3929995213,33cyclictest9605-21unixbench_multi10:13:402
3929995213,33cyclictest580-21ksmtuned10:25:262
392299524,41cyclictest0-21swapper/109:13:061
392299524,41cyclictest0-21swapper/109:13:061
392299522,45cyclictest2398-21ssh11:30:131
391799523,44cyclictest0-21swapper/011:54:330
3917995220,27cyclictest18546-21cut09:43:270
391799522,44cyclictest17093-21ssh11:49:130
3929995121,26cyclictest31049-21idleruntime12:08:242
3929995114,32cyclictest2748-21needreboot08:18:342
3929995114,31cyclictest11536-21ntp_kernel_pll_09:33:352
3929995112,33cyclictest6424-21cat08:28:352
392299515,40cyclictest0-21swapper/110:25:481
392299514,42cyclictest0-21swapper/111:19:331
392299514,42cyclictest0-21swapper/110:55:341
392299514,41cyclictest0-21swapper/110:50:541
392299514,41cyclictest0-21swapper/109:46:251
392299513,43cyclictest0-21swapper/111:16:231
392299513,42cyclictest19-21rcuc/111:46:231
3922995118,27cyclictest16820-21diskmemload10:03:211
391799514,42cyclictest0-21swapper/012:20:370
391799514,41cyclictest0-21swapper/011:00:440
391799514,41cyclictest0-21swapper/009:18:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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