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2026-03-15 - 14:10
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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 Mar 15, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16036998218,58cyclictest25837-21sshd23:48:152
16036997218,48cyclictest30066-21ssh21:03:432
16036997122,42cyclictest1553-21/usr/sbin/munin20:25:492
16036997021,43cyclictest17922-21/usr/sbin/munin19:50:442
16036997021,43cyclictest17922-21/usr/sbin/munin19:50:442
16036996924,38cyclictest22499-21/usr/sbin/munin21:35:492
16036996924,38cyclictest22499-21/usr/sbin/munin21:35:492
16036996922,19cyclictest30220-21iostat_ios18:55:442
16036996920,43cyclictest25983-21/usr/sbin/munin18:45:592
16036996915,48cyclictest10436-21/usr/sbin/munin19:30:512
16036996913,50cyclictest19422-21kworker/2:023:21:102
16036996821,41cyclictest15666-21/usr/sbin/munin23:35:532
16036996820,41cyclictest4903-21grep21:55:412
16036996723,37cyclictest31330-21df_inode21:05:372
16036996722,40cyclictest12305-21/usr/sbin/munin19:35:472
16036996721,40cyclictest19785-21/usr/sbin/munin19:55:502
16036996721,40cyclictest13097-21ssh21:24:132
16036996720,41cyclictest947-21ethtool21:50:372
16036996714,47cyclictest0-21swapper/220:54:122
16036996713,8cyclictest20300-21ssh22:58:402
16036996622,37cyclictest7197-21ntp_states21:15:452
16036996620,40cyclictest27802-21memory22:25:452
16036996620,40cyclictest27802-21memory22:25:452
16036996620,40cyclictest14176-21/usr/sbin/munin19:40:502
16036996620,40cyclictest12663-21ntpq22:05:422
16036996619,13cyclictest19065-21grep21:30:532
16036996523,36cyclictest29859-21ntpdc21:45:452
16036996522,38cyclictest3841-21ssh23:20:032
16036996522,37cyclictest24117-21/usr/sbin/munin18:40:462
16036996522,37cyclictest17258-21unixbench-2d20:45:542
16036996522,37cyclictest17258-21unixbench-2d20:45:542
16036996521,38cyclictest8014-21ssh20:35:222
16036996520,39cyclictest6351-21fschecks_count22:40:362
16036996520,39cyclictest27853-21/usr/sbin/munin18:50:562
16036996519,40cyclictest27278-21/usr/sbin/munin20:15:422
16036996519,40cyclictest2226-21latency_hist22:35:222
16036996515,44cyclictest2354-21ssh22:35:322
16036996422,37cyclictest638-21runrttasks23:05:202
16036996422,36cyclictest29030-21ssh23:10:322
16036996421,37cyclictest2503-21ssh21:10:272
16036996421,37cyclictest13962-21aten_rbpower_cu21:25:352
16036996421,37cyclictest12846-21find23:30:462
16036996421,10cyclictest25006-21ssh22:21:332
16036996420,39cyclictest10197-21ssh22:02:282
16036996420,38cyclictest20997-21ssh23:41:052
16036996420,38cyclictest18835-21perl18:25:432
16036996420,38cyclictest18130-21ssh22:13:062
16036996415,41cyclictest12667-21ssh20:40:402
16036996323,8cyclictest22058-21ssh22:18:202
16036996323,34cyclictest9779-21ssh20:36:032
16036996323,14cyclictest24840-21date20:55:522
16036996320,37cyclictest26819-21ssh21:41:132
16036996319,38cyclictest31590-21/usr/sbin/munin19:00:462
16036996223,34cyclictest371-21latency_hist20:25:252
16036996222,34cyclictest6699-21/usr/sbin/munin19:20:382
16036996222,34cyclictest1072-21/usr/sbin/munin19:05:402
16036996221,35cyclictest22246-21/usr/sbin/munin18:35:522
16036996221,35cyclictest21411-21sort18:30:542
16036996221,35cyclictest11334-21users22:45:522
16036996220,36cyclictest25940-21needreboot23:05:412
16036996219,37cyclictest6474-21latency_hist19:20:272
16036996219,37cyclictest21656-21/usr/sbin/munin20:00:482
16036996121,34cyclictest23524-21/usr/sbin/munin20:05:432
16036996119,10cyclictest13940-21ssh22:50:342
1542926111,18sleep30-21swapper/318:16:103
146362619,17sleep10-21swapper/118:15:431
16036996021,34cyclictest16157-21wget19:45:362
16036995920,34cyclictest9518-21ssh23:25:582
16036995920,34cyclictest627-21snmpd18:23:432
1602799595,47cyclictest0-21swapper/120:48:131
1602799595,47cyclictest0-21swapper/120:48:131
16036995821,32cyclictest627-21snmpd19:29:512
1602799576,44cyclictest0-21swapper/122:52:101
16036995617,34cyclictest2943-21/usr/sbin/munin19:10:432
1602399564,45cyclictest0-21swapper/022:26:310
1602399564,45cyclictest0-21swapper/022:26:310
1604199555,44cyclictest0-21swapper/323:15:003
16036995518,32cyclictest27225-21latency_hist20:15:252
1602399555,44cyclictest0-21swapper/023:05:580
1604199544,44cyclictest0-21swapper/321:34:123
1602799543,7cyclictest21776-21ssh20:52:031
16023995445,5cyclictest3-21ksoftirqd/023:25:200
1602399543,46cyclictest0-21swapper/022:01:220
1604199534,43cyclictest0-21swapper/322:44:403
16027995342,7cyclictest16013-21munin-node18:20:281
1602799534,42cyclictest0-21swapper/120:38:451
1604199528,38cyclictest0-21swapper/322:55:103
1604199524,43cyclictest0-21swapper/321:24:063
1604199524,42cyclictest0-21swapper/321:16:563
1604199523,43cyclictest0-21swapper/322:35:523
1602799525,41cyclictest0-21swapper/123:18:331
1602799524,42cyclictest0-21swapper/123:02:101
1602799523,6cyclictest0-21swapper/123:10:301
16027995210,36cyclictest28403-21ssh21:44:371
1602399525,40cyclictest0-21swapper/021:35:330
1602399525,40cyclictest0-21swapper/021:35:330
1602399524,24cyclictest0-21swapper/023:44:110
1602799518,37cyclictest10399-21tune2fs21:20:371
1602799514,42cyclictest0-21swapper/120:29:341
1602399518,18cyclictest0-21swapper/021:18:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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