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2026-04-05 - 05:24
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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 Apr 04, 2026 20:11:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3080521520,5sleep20-21swapper/219:12:102
3080521520,5sleep20-21swapper/219:12:102
3040221490,3sleep30-21swapper/319:12:023
3040221490,3sleep30-21swapper/319:12:023
79312920,4sleep17927-21find19:37:091
79312920,4sleep17927-21find19:37:091
79312920,4sleep17927-21find19:37:091
310882620,2sleep129594-21ls19:12:221
310882620,2sleep129594-21ls19:12:221
309632520,3sleep029594-21ls19:12:130
309632520,3sleep029594-21ls19:12:130
152222430,3sleep00-21swapper/019:57:050
152222430,3sleep00-21swapper/019:57:050
165082420,3sleep30-21swapper/320:01:593
31131993923,7cyclictest9854-21find19:42:101
31130992516,7cyclictest12-21ksoftirqd/019:52:080
31130992511,4cyclictest131rcu_preempt19:42:090
39582240,8chrt33-21ksoftirqd/319:27:063
39582240,8chrt33-21ksoftirqd/319:27:063
54112230,2sleep012-21ksoftirqd/019:32:010
54112230,2sleep012-21ksoftirqd/019:32:010
3113099211,13cyclictest1157-21ls19:21:520
3113099211,13cyclictest1157-21ls19:21:520
3113099211,10cyclictest3736-21needreboot19:27:010
3113099211,10cyclictest3736-21needreboot19:27:010
3113399201,14cyclictest0-21swapper/319:36:573
3113399201,14cyclictest0-21swapper/319:36:573
3113399201,14cyclictest0-21swapper/319:36:573
3113199201,14cyclictest3568-21latency19:27:001
3113199201,14cyclictest3568-21latency19:27:001
3113099201,4cyclictest131rcu_preempt19:36:580
3113099201,4cyclictest131rcu_preempt19:36:580
3113099201,4cyclictest131rcu_preempt19:36:580
3113299199,8cyclictest27-21ksoftirqd/219:42:092
3113299190,12cyclictest2174-21find19:22:082
3113099191,7cyclictest17591-21grep20:02:110
122422191,3sleep30-21swapper/319:50:063
122422191,3sleep30-21swapper/319:50:063
3113299182,10cyclictest0-21swapper/219:27:082
3113299182,10cyclictest0-21swapper/219:27:082
31132991811,5cyclictest12926-21fschecks_time19:51:592
31132991811,5cyclictest0-21swapper/220:06:492
31132991811,5cyclictest0-21swapper/219:31:582
31132991811,5cyclictest0-21swapper/219:31:582
31132991811,5cyclictest0-21swapper/219:17:062
31132991811,5cyclictest0-21swapper/219:17:062
3113199189,7cyclictest5316-21tune2fs19:32:001
3113199189,7cyclictest5316-21tune2fs19:32:001
3113199185,4cyclictest141rcub/020:07:101
3113199185,4cyclictest141rcub/020:07:101
3113199185,3cyclictest131rcu_preempt19:17:101
3113199185,3cyclictest131rcu_preempt19:17:101
3113099181,6cyclictest1421-21grep19:21:580
3113399171,11cyclictest0-21swapper/320:11:483
3113399171,11cyclictest0-21swapper/320:11:483
3113299179,6cyclictest20225-21latency_hist20:11:542
3113299179,6cyclictest20225-21latency_hist20:11:542
3113299173,12cyclictest14751-21grep19:56:592
3113299173,12cyclictest14751-21grep19:56:592
3113299171,13cyclictest11719-21find19:47:082
3113299171,13cyclictest11719-21find19:47:082
31132991710,5cyclictest7106-21fschecks_count19:36:592
31132991710,5cyclictest7106-21fschecks_count19:36:592
31132991710,5cyclictest7106-21fschecks_count19:36:592
3113199179,6cyclictest2178-21grep19:22:081
3113199171,14cyclictest15780-21grep19:57:111
3113199171,14cyclictest15780-21grep19:57:111
31131991711,4cyclictest0-21swapper/119:51:481
31131991711,4cyclictest0-21swapper/119:51:481
3113199171,10cyclictest16640-21cut20:02:001
3113099172,13cyclictest18525-21fschecks_count20:07:000
3113099172,13cyclictest18525-21fschecks_count20:07:000
3113099172,12cyclictest10855-21sort19:46:570
3113099172,12cyclictest10855-21sort19:46:570
3113399161,10cyclictest0-21swapper/319:56:573
3113399161,10cyclictest0-21swapper/319:56:573
3113199163,11cyclictest12910-21tune2fs19:51:591
3113399131,9cyclictest32139-21chrt19:17:013
3113399131,9cyclictest32139-21chrt19:17:013
3113399121,9cyclictest1894-21chrt19:22:043
3113399121,9cyclictest13444-21chrt19:52:063
3113399121,8cyclictest5268-21taskset19:32:003
3113399121,8cyclictest5268-21taskset19:32:003
3113399111,8cyclictest9253-21taskset19:42:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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