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2026-03-11 - 11:18
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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 Mar 11, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4383997546,24cyclictest29-21ksoftirqd/222:52:302
4383997546,24cyclictest29-21ksoftirqd/222:52:302
437699704,60cyclictest0-21swapper/120:33:581
437699685,56cyclictest0-21swapper/121:30:411
437699684,57cyclictest0-21swapper/122:06:311
437699684,57cyclictest0-21swapper/122:06:311
437699673,58cyclictest23159-21crond23:22:291
437699664,55cyclictest0-21swapper/123:51:051
437699662,57cyclictest18063-21/usr/sbin/munin18:58:041
437699654,55cyclictest0-21swapper/122:41:291
437699643,7cyclictest16825-21cut21:47:491
437699642,56cyclictest23141-21ssh21:56:431
4372996413,45cyclictest6848-21/usr/sbin/munin18:27:510
4372996413,45cyclictest6848-21/usr/sbin/munin18:27:510
437699633,53cyclictest454-21hwlatdetect20:42:481
4372996319,12cyclictest638-21runrttasks21:17:470
437699624,52cyclictest0-21swapper/122:45:091
437699623,53cyclictest31551-21ssh20:41:091
437699623,53cyclictest29428-21ssh23:29:401
437699623,53cyclictest26325-21sh19:17:591
437699622,54cyclictest2625-21diskstats23:37:421
437699614,9cyclictest0-21swapper/120:48:041
437699614,51cyclictest0-21swapper/122:54:301
437699612,53cyclictest23407-21ssh23:22:331
4372996113,42cyclictest2523-21/usr/sbin/munin19:42:500
4372996111,44cyclictest8722-21/usr/sbin/munin18:33:000
4372996110,45cyclictest6800-21ssh21:34:010
437699604,8cyclictest0-21swapper/121:07:341
437699604,8cyclictest0-21swapper/121:07:341
437699604,50cyclictest0-21swapper/121:05:541
437699603,51cyclictest26981-21ssh21:17:561
437699602,6cyclictest3649-21ls19:43:041
4376996011,44cyclictest8709-21kworker/1:021:17:231
438399596,47cyclictest0-21swapper/221:27:212
4376995922,31cyclictest8809-21grep20:53:031
4372995914,39cyclictest25466-21ssh22:42:360
4372995914,39cyclictest17577-21/usr/sbin/munin20:22:530
438399586,45cyclictest29178-21latency_hist22:47:312
4376995825,28cyclictest9958-21sed18:33:061
437299589,43cyclictest1666-21if_err_eth221:27:490
437299587,45cyclictest0-21swapper/022:22:000
437299584,48cyclictest0-21swapper/023:13:190
437299584,48cyclictest0-21swapper/023:13:190
437299583,49cyclictest20018-21/usr/sbin/munin21:52:510
4372995813,39cyclictest32363-21unixbench_multi23:33:000
438399574,46cyclictest0-21swapper/221:19:412
438399573,49cyclictest0-21swapper/222:39:302
437299579,42cyclictest21986-21ssh23:19:580
437299578,43cyclictest14490-21ssh21:44:210
4372995712,40cyclictest31563-21ssh21:23:490
4372995712,39cyclictest16196-21/usr/sbin/munin18:53:010
4372995712,10cyclictest19936-21/usr/sbin/munin19:03:020
4372995711,40cyclictest11874-21/usr/sbin/munin20:07:470
4372995711,40cyclictest11874-21/usr/sbin/munin20:07:470
4383995647,5cyclictest29-21ksoftirqd/222:12:302
438399564,7cyclictest0-21swapper/223:15:092
438399564,7cyclictest0-21swapper/223:15:092
437299569,40cyclictest0-21swapper/021:42:160
437299565,13cyclictest638-21runrttasks20:37:570
4372995614,37cyclictest0-21swapper/021:13:310
4372995613,38cyclictest0-21swapper/023:23:490
4372995612,38cyclictest4981-21/usr/sbin/munin18:23:030
4372995612,38cyclictest4981-21/usr/sbin/munin18:23:030
4372995611,38cyclictest28125-21ssh22:02:500
4372995611,38cyclictest28125-21ssh22:02:500
4372995610,40cyclictest17245-21ssh21:05:040
393725611,16sleep30-21swapper/318:20:153
438399555,6cyclictest0-21swapper/221:03:422
438399554,45cyclictest0-21swapper/220:39:122
438399553,46cyclictest9479-21ntp_states18:32:592
437299559,41cyclictest9825-21sh23:47:290
437299558,41cyclictest13712-21ksmtuned23:08:310
437299555,44cyclictest0-21swapper/022:17:000
437299554,45cyclictest0-21swapper/023:38:380
4372995515,34cyclictest8089-21/usr/sbin/munin20:52:510
4372995514,35cyclictest5163-21/usr/sbin/munin22:57:490
4372995513,36cyclictest22153-21ntp_states20:27:580
4372995512,38cyclictest27910-21ssh20:36:220
4372995512,37cyclictest13719-21ssh21:00:280
4372995512,37cyclictest12457-21/usr/sbin/munin18:42:590
4372995511,9cyclictest23674-21/usr/sbin/munin19:12:490
4372995511,38cyclictest29874-21kernelversion22:47:490
4372995511,38cyclictest29874-21kernelversion22:47:490
4372995511,38cyclictest29301-21/usr/sbin/munin19:27:470
4372995510,39cyclictest27434-21/usr/sbin/munin19:22:590
312002550,4chrt31202-21latency_hist22:07:313
312002550,4chrt31202-21latency_hist22:07:313
438399544,44cyclictest0-21swapper/220:52:022
438399544,25cyclictest0-21swapper/221:08:312
438399544,25cyclictest0-21swapper/221:08:312
438399543,46cyclictest0-21swapper/221:48:302
438399543,46cyclictest0-21swapper/221:37:252
438399543,46cyclictest0-21swapper/220:32:122
437699544,23cyclictest0-21swapper/122:15:071
437699543,5cyclictest0-21swapper/118:27:371
437699543,5cyclictest0-21swapper/118:27:371
437699543,23cyclictest0-21swapper/121:22:521
437299548,40cyclictest4473-21memory20:47:530
437299542,45cyclictest17458-21ssh21:48:000
4372995416,32cyclictest28017-21netstat23:27:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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