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2026-03-22 - 09:25
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot1.osadl.org (updated Sat Mar 21, 2026 20:11:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2625323710,1sleep227-21ksoftirqd/219:12:122
2625323710,1sleep227-21ksoftirqd/219:12:122
278882960,1sleep012-21ksoftirqd/019:16:560
278882960,1sleep012-21ksoftirqd/019:16:560
101242490,2sleep20-21swapper/219:56:452
101242490,2sleep20-21swapper/219:56:452
101242490,2sleep20-21swapper/219:56:452
130452480,3sleep30-21swapper/320:02:003
130452480,3sleep30-21swapper/320:02:003
279802380,4sleep10-21swapper/119:16:571
279802380,4sleep10-21swapper/119:16:571
108512340,3sleep010849-21grep19:56:550
108512340,3sleep010849-21grep19:56:550
108512340,3sleep010849-21grep19:56:550
83702310,4sleep20-21swapper/219:51:472
83702310,4sleep20-21swapper/219:51:472
262422305,20sleep10-21swapper/119:12:041
262422305,20sleep10-21swapper/119:12:041
251002273,16sleep30-21swapper/319:11:463
251002273,16sleep30-21swapper/319:11:463
26287992613,7cyclictest21-21ksoftirqd/119:48:191
26287992613,7cyclictest21-21ksoftirqd/119:48:191
26289992514,7cyclictest27-21ksoftirqd/219:41:552
26289992514,7cyclictest27-21ksoftirqd/219:41:552
2628799254,4cyclictest21-21ksoftirqd/120:06:571
5082240,3sleep20-21swapper/219:31:452
5082240,3sleep20-21swapper/219:31:452
26290992419,4cyclictest321rcuc/319:55:383
26290992419,4cyclictest321rcuc/319:55:383
26287992417,5cyclictest201rcuc/120:01:111
26287992417,5cyclictest201rcuc/120:01:111
26287992417,5cyclictest201rcuc/120:01:111
2628799240,6cyclictest29806-21find19:21:541
2628799240,6cyclictest29806-21find19:21:541
2628699241,19cyclictest6041-21find19:46:430
2628699241,19cyclictest6041-21find19:46:430
262462245,12sleep024755-21ls19:12:070
262462245,12sleep024755-21ls19:12:070
26287992318,3cyclictest201rcuc/119:31:531
26287992318,3cyclictest201rcuc/119:31:531
26287992317,4cyclictest201rcuc/119:40:211
26287992317,4cyclictest201rcuc/119:40:211
26287992317,4cyclictest201rcuc/119:40:211
26287992316,5cyclictest4771-21ntpq19:41:501
26287992316,5cyclictest4771-21ntpq19:41:501
26287992312,2cyclictest131rcu_preempt19:30:071
26287992312,2cyclictest131rcu_preempt19:30:071
2629099224,14cyclictest2009-21chrt19:36:363
2629099224,14cyclictest2009-21chrt19:36:363
26286992213,6cyclictest38650irq/55-eth019:51:560
26286992213,6cyclictest38650irq/55-eth019:51:560
2628999215,7cyclictest27-21ksoftirqd/220:01:532
2628999215,7cyclictest27-21ksoftirqd/220:01:532
2628999211,17cyclictest31702-21find19:26:552
2628999211,17cyclictest31702-21find19:26:552
2628799215,7cyclictest21-21ksoftirqd/120:02:051
2628799215,7cyclictest21-21ksoftirqd/120:02:051
2628699211,15cyclictest3131-21ls19:36:570
2628699211,15cyclictest3131-21ls19:36:570
2628699211,15cyclictest3131-21ls19:36:570
26290992015,3cyclictest321rcuc/319:29:103
26290992015,3cyclictest321rcuc/319:29:103
26290992014,4cyclictest321rcuc/319:58:443
26290992014,4cyclictest321rcuc/319:58:443
26290992014,4cyclictest321rcuc/319:58:443
2628999203,11cyclictest27882-21find19:16:562
2628999203,11cyclictest27882-21find19:16:562
26287992015,4cyclictest201rcuc/119:54:441
26287992015,4cyclictest201rcuc/119:54:441
26286992015,3cyclictest19056-21snmpd19:41:530
26286992015,3cyclictest19056-21snmpd19:41:530
26290991914,4cyclictest321rcuc/319:45:143
26290991914,4cyclictest321rcuc/319:45:143
26290991914,3cyclictest0-21swapper/319:46:573
26290991914,3cyclictest0-21swapper/319:46:573
2629099191,12cyclictest0-21swapper/319:21:393
2629099191,12cyclictest0-21swapper/319:21:393
26286991911,6cyclictest13687-21/usr/sbin/munin20:06:460
2628699190,9cyclictest29573-21proc_pri19:21:510
2628699190,9cyclictest29573-21proc_pri19:21:510
301882181,3sleep20-21swapper/219:23:022
301882181,3sleep20-21swapper/219:23:022
2628999181,15cyclictest2392-21fschecks_time19:36:472
2628999181,15cyclictest2392-21fschecks_time19:36:472
2628999181,15cyclictest2392-21fschecks_time19:36:472
2628999181,14cyclictest6167-21entropy19:46:452
2628999181,14cyclictest6167-21entropy19:46:452
2628699182,12cyclictest11787-21/usr/sbin/munin20:01:460
2628699182,12cyclictest11787-21/usr/sbin/munin20:01:460
2628699181,15cyclictest32683-21grep19:31:430
2628699181,15cyclictest32683-21grep19:31:430
2628699181,14cyclictest31148-21uname19:26:470
2628699181,14cyclictest31148-21uname19:26:470
305922170,3sleep30-21swapper/319:26:363
305922170,3sleep30-21swapper/319:26:363
26290991611,4cyclictest0-21swapper/319:36:463
26290991611,4cyclictest0-21swapper/319:36:463
26290991611,4cyclictest0-21swapper/319:36:463
2628999161,12cyclictest13827-21fschecks_count20:06:462
2629099158,5cyclictest321rcuc/320:08:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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