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2026-01-03 - 18:58
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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 Sat Jan 03, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3265399774,45cyclictest0-21swapper/010:33:020
3267199688,53cyclictest3437-21sshd07:03:393
3267199653,8cyclictest29409-21latency_hist12:08:123
3267199653,55cyclictest0-21swapper/311:02:023
3267199629,47cyclictest6224-21ssh10:13:133
3267199626,50cyclictest13133-21ssh10:21:333
3206026114,17sleep20-21swapper/206:53:572
32671995810,42cyclictest1067-21kworker/3:010:57:273
3265899584,7cyclictest0-21swapper/109:03:141
3267199578,43cyclictest627-21snmpd10:38:543
3267199577,44cyclictest31256-21wget10:03:243
3267199568,42cyclictest20996-21kworker/3:109:21:293
3267199568,41cyclictest2039-21/usr/sbin/munin10:48:383
3267199567,43cyclictest14031-21unixbench_multi11:03:423
32671995610,40cyclictest25259-21/usr/sbin/munin08:03:493
3265899564,45cyclictest0-21swapper/109:16:441
3267199554,46cyclictest0-21swapper/309:03:183
32671995510,38cyclictest32252-21/usr/sbin/munin11:28:333
3265399554,10cyclictest0-21swapper/011:26:110
3265399554,10cyclictest0-21swapper/011:26:110
3232025510,15sleep30-21swapper/306:57:083
3267199548,40cyclictest4124-21/usr/sbin/munin08:33:433
3267199547,41cyclictest27511-21fschecks_time08:08:323
3267199546,42cyclictest20952-21ssh11:56:273
3267199545,9cyclictest11110-21ssh09:37:043
32671995415,6cyclictest23938-21ssh09:11:233
32671995413,35cyclictest26457-21unixbench_singl09:13:463
3267199541,47cyclictest17779-21grep11:08:423
32658995420,8cyclictest22569-21grep09:08:451
3267199539,10cyclictest23522-21/usr/sbin/munin09:53:373
3267199538,40cyclictest638-21runrttasks10:18:093
3267199538,39cyclictest21555-21ssh09:49:443
3267199537,40cyclictest14353-21tune2fs07:33:323
3267199532,7cyclictest5243-21memory07:08:383
32671995311,36cyclictest0-21swapper/309:43:153
3265899533,11cyclictest0-21swapper/112:07:101
3267199528,38cyclictest9747-21/usr/sbin/munin08:48:313
3267199524,42cyclictest0-21swapper/311:16:343
3267199522,44cyclictest11320-21needreboot11:43:313
32671995212,34cyclictest30862-21ssh12:08:383
32671995212,34cyclictest0-21swapper/311:23:313
32671995212,34cyclictest0-21swapper/311:23:313
3265899523,9cyclictest0-21swapper/111:49:111
3265899523,44cyclictest0-21swapper/110:23:511
3265899522,43cyclictest6795-21ssh12:19:401
3265399525,41cyclictest0-21swapper/011:20:260
3267199519,36cyclictest0-21swapper/310:00:183
3267199517,38cyclictest9418-21memory12:23:313
3267199515,40cyclictest6003-21/usr/sbin/munin08:38:333
3267199514,42cyclictest19917-21ssh10:29:343
3267199514,42cyclictest0-21swapper/309:45:123
3267199514,42cyclictest0-21swapper/309:00:043
3267199514,40cyclictest0-21swapper/308:14:383
32671995114,32cyclictest21898-21ssh10:33:153
32671995114,32cyclictest21898-21ssh10:33:153
3265899514,9cyclictest0-21swapper/109:38:541
3265899514,41cyclictest0-21swapper/109:53:281
3265399514,41cyclictest0-21swapper/011:52:190
3267199509,35cyclictest0-21swapper/311:40:203
3267199508,36cyclictest14219-21/usr/sbin/munin10:23:223
3267199507,38cyclictest17526-21ls07:43:163
3267199507,37cyclictest2252-21/usr/sbin/munin08:28:393
3267199507,37cyclictest17744-21/usr/sbin/munin07:43:423
3267199505,39cyclictest30384-21ssh10:43:343
3267199503,42cyclictest0-21swapper/311:22:413
3265899509,35cyclictest0-21swapper/110:38:311
3265899504,6cyclictest0-21swapper/111:02:121
3265899504,40cyclictest0-21swapper/111:42:111
3265899504,40cyclictest0-21swapper/110:49:221
3265899504,40cyclictest0-21swapper/109:18:541
3265899503,9cyclictest0-21swapper/111:04:121
3265399508,7cyclictest7853-21sshd07:14:390
3265399505,39cyclictest0-21swapper/011:06:290
3265399504,41cyclictest0-21swapper/010:11:480
3267199496,8cyclictest32538-21latency_hist08:23:163
3267199496,37cyclictest0-21swapper/311:59:183
3267199495,38cyclictest19617-21/usr/sbin/munin07:48:453
3267199494,39cyclictest13422-21ssh08:58:163
3267199494,39cyclictest13422-21ssh08:58:163
3267199494,39cyclictest0-21swapper/312:13:193
3267199494,39cyclictest0-21swapper/312:13:193
3267199494,39cyclictest0-21swapper/311:33:363
32671994913,31cyclictest21507-21/usr/sbin/munin07:53:273
32671994912,31cyclictest0-21swapper/312:21:353
32671994910,33cyclictest1731-21ssh09:23:463
32667994916,28cyclictest26693-21runrttasks09:57:292
3265899494,39cyclictest0-21swapper/109:30:081
3265899494,39cyclictest0-21swapper/109:05:221
3265899493,41cyclictest0-21swapper/111:08:361
3265899493,41cyclictest0-21swapper/110:04:031
3265899493,41cyclictest0-21swapper/106:58:481
3265899493,40cyclictest0-21swapper/110:02:431
3265899492,6cyclictest31107-21kworker/1:210:09:331
3265899492,42cyclictest29006-21/usr/sbin/munin08:13:351
3265899492,41cyclictest13298-21diskmemload10:34:421
3265899492,41cyclictest13298-21diskmemload10:34:421
32658994911,6cyclictest0-21swapper/111:33:261
32658994911,32cyclictest0-21swapper/110:19:031
3265399495,38cyclictest0-21swapper/012:02:500
3265399494,39cyclictest0-21swapper/012:17:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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