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2026-08-10 - 14:46
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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 Mon Aug 10, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2547999722,63cyclictest25504-21/usr/sbin/munin19:51:110
2549599716,59cyclictest0-21swapper/320:31:293
2549599713,31cyclictest3721-21ssh22:32:243
2549599713,31cyclictest3721-21ssh22:32:243
2547999712,63cyclictest11678-21grep21:16:080
2549599706,58cyclictest0-21swapper/321:26:263
2549599705,7cyclictest0-21swapper/323:02:503
2547999702,62cyclictest27798-21ssh21:37:460
2547999702,61cyclictest6792-21/usr/sbin/munin19:01:010
2549599695,7cyclictest0-21swapper/321:05:263
2549599695,58cyclictest0-21swapper/323:45:033
2549599695,58cyclictest0-21swapper/322:23:443
2549599694,7cyclictest0-21swapper/322:06:453
2549599694,7cyclictest0-21swapper/320:36:323
2549599694,33cyclictest0-21swapper/320:53:333
2549599694,32cyclictest0-21swapper/320:42:553
2549599693,6cyclictest0-21swapper/322:16:323
2547999698,54cyclictest0-21swapper/020:52:240
2547999696,56cyclictest0-21swapper/020:30:400
2547999692,61cyclictest29835-21/usr/sbin/munin18:36:130
2547999692,60cyclictest2974-21ssh21:48:030
2549599684,7cyclictest0-21swapper/323:21:283
2549599684,7cyclictest0-21swapper/323:10:533
2549599684,58cyclictest0-21swapper/322:58:403
2549599684,58cyclictest0-21swapper/321:56:033
2549599684,33cyclictest0-21swapper/322:36:453
2549599684,28cyclictest0-21swapper/322:30:363
25483996823,39cyclictest26907-21expr21:36:141
2547999683,58cyclictest28873-21fschecks_time20:56:010
2547999682,60cyclictest16159-21/usr/sbin/munin19:26:170
2547999682,60cyclictest10532-21/usr/sbin/munin19:11:210
2547999682,59cyclictest17811-21diskstats23:35:530
2547999682,33cyclictest27965-21/usr/sbin/munin18:31:110
25479996812,24cyclictest0-21swapper/020:47:450
2549599674,6cyclictest0-21swapper/321:53:223
2549599674,6cyclictest0-21swapper/321:53:223
2549599674,56cyclictest0-21swapper/322:54:593
2549599674,33cyclictest0-21swapper/320:27:293
2549599674,32cyclictest0-21swapper/321:21:403
2549599673,8cyclictest0-21swapper/321:43:493
2549599673,34cyclictest0-21swapper/321:33:523
25495996710,27cyclictest0-21swapper/323:53:563
2547999675,56cyclictest0-21swapper/020:34:530
2547999675,55cyclictest0-21swapper/022:20:460
2547999675,55cyclictest0-21swapper/019:36:030
2547999673,57cyclictest32071-21latency23:11:010
2547999672,59cyclictest3058-21/usr/sbin/munin18:51:060
2547999672,59cyclictest3058-21/usr/sbin/munin18:51:060
2547999672,59cyclictest29244-21/usr/sbin/munin20:01:020
2547999672,59cyclictest27375-21/usr/sbin/munin19:56:030
2547999672,59cyclictest23627-21/usr/sbin/munin19:46:020
2547999672,58cyclictest4761-21ksmtuned20:21:000
2547999672,58cyclictest31111-21/usr/sbin/munin20:06:150
2547999672,33cyclictest8663-21/usr/sbin/munin19:06:100
25479996711,23cyclictest0-21swapper/023:19:200
2549599665,54cyclictest0-21swapper/321:15:443
2549599665,54cyclictest0-21swapper/321:15:443
2549599664,6cyclictest0-21swapper/322:42:073
2549599664,55cyclictest0-21swapper/322:48:243
2549599664,33cyclictest0-21swapper/322:15:363
2549599664,32cyclictest0-21swapper/323:36:423
2549599664,32cyclictest0-21swapper/323:31:383
2549599664,32cyclictest0-21swapper/323:07:273
2549599664,30cyclictest0-21swapper/323:28:353
2549599664,30cyclictest0-21swapper/320:58:293
2549599664,10cyclictest0-21swapper/323:15:573
25483996623,37cyclictest5443-21ssh21:07:221
25483996621,39cyclictest6460-21processes22:36:081
25483996621,39cyclictest18734-21sed20:41:151
2547999665,54cyclictest0-21swapper/021:55:310
2547999665,54cyclictest0-21swapper/021:55:310
2547999663,57cyclictest26093-21/usr/sbin/munin18:26:150
2547999662,58cyclictest539-21/usr/sbin/munin20:11:020
2547999662,58cyclictest19623-21kworker/0:122:05:140
2547999662,58cyclictest15747-21ssh22:49:250
2547999662,57cyclictest17044-21sh21:23:310
25479996612,22cyclictest0-21swapper/023:42:310
25479996611,49cyclictest0-21swapper/023:30:500
25479996610,50cyclictest0-21swapper/022:41:570
2549599654,32cyclictest0-21swapper/321:07:033
2549599653,6cyclictest15931-21latency_hist19:25:473
2549599653,32cyclictest0-21swapper/321:20:443
2549599653,31cyclictest0-21swapper/323:48:383
2549599653,31cyclictest0-21swapper/323:48:383
2549599653,31cyclictest0-21swapper/322:03:343
2547999659,24cyclictest0-21swapper/021:26:470
2547999658,24cyclictest0-21swapper/022:40:390
2547999655,54cyclictest0-21swapper/022:19:310
2547999655,54cyclictest0-21swapper/020:37:290
2547999655,53cyclictest0-21swapper/022:55:530
2547999655,53cyclictest0-21swapper/022:25:450
2547999654,21cyclictest0-21swapper/023:48:330
2547999654,21cyclictest0-21swapper/023:48:330
2547999653,56cyclictest0-21swapper/023:03:240
2547999652,57cyclictest7465-21fschecks_count21:10:570
2547999652,57cyclictest7465-21fschecks_count21:10:570
2547999652,57cyclictest573-21irqbalance22:53:540
2547999652,57cyclictest18014-21/usr/sbin/munin19:30:590
2547999652,29cyclictest7066-21iostat23:21:030
25479996511,48cyclictest0-21swapper/022:10:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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