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2026-04-01 - 16:27
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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 376 highest latencies:
System rack4slot1.osadl.org (updated Wed Apr 01, 2026 08:36:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24562214520,6sleep30-21swapper/307:12:103
24562214520,6sleep30-21swapper/307:12:103
2469826210,3sleep10-21swapper/107:12:121
2469826210,3sleep10-21swapper/107:12:121
2456621490,2chrt23343-21ls07:12:110
2456621490,2chrt23343-21ls07:12:110
2650521140,1sleep121-21ksoftirqd/107:17:071
2650521140,1sleep121-21ksoftirqd/107:17:071
1160421080,3sleep30-21swapper/308:02:093
1160121030,2sleep20-21swapper/208:02:072
2847121020,2sleep30-21swapper/307:22:083
2847121020,2sleep30-21swapper/307:22:083
57572990,2sleep10-21swapper/107:47:071
57572990,2sleep10-21swapper/107:47:071
323252990,2sleep20-21swapper/207:32:082
154702950,2sleep30-21swapper/308:12:063
154702950,2sleep30-21swapper/308:12:063
154702950,2sleep30-21swapper/308:12:063
165322870,3sleep30-21swapper/308:16:563
165322870,3sleep30-21swapper/308:16:563
165322870,3sleep30-21swapper/308:16:563
263412630,2sleep30-21swapper/307:17:043
263412630,2sleep30-21swapper/307:17:043
193572570,3sleep30-21swapper/308:22:073
193572570,3sleep30-21swapper/308:22:073
77042550,3chrt0-21swapper/107:52:051
77042550,3chrt0-21swapper/107:52:051
17462540,3sleep20-21swapper/207:37:062
17462540,3sleep20-21swapper/207:37:062
157242510,3sleep10-21swapper/108:12:081
157242510,3sleep10-21swapper/108:12:081
157242510,3sleep10-21swapper/108:12:081
262692500,3sleep20-21swapper/207:17:032
262692500,3sleep20-21swapper/207:17:032
209492470,8sleep012-21ksoftirqd/008:27:020
7082450,2sleep313613-21kworker/3:207:36:473
218342450,3chrt0-21swapper/208:30:012
2491099431,10cyclictest14593-21entropy08:11:550
2491099431,10cyclictest14593-21entropy08:11:550
2491099431,10cyclictest14593-21entropy08:11:550
2491099410,10cyclictest13517-21find08:07:070
2491099410,10cyclictest13517-21find08:07:070
2491199390,36cyclictest24192-21snmpd07:37:081
2491199390,36cyclictest24192-21snmpd07:37:081
2491099391,11cyclictest23166-21grep08:32:080
2491099371,11cyclictest30400-21find07:27:080
2491099371,11cyclictest30400-21find07:27:080
14202360,2sleep01424-21wc07:37:000
14202360,2sleep01424-21wc07:37:000
2491099357,6cyclictest8895-21cut07:56:560
2491099357,6cyclictest8895-21cut07:56:560
2491099351,9cyclictest3054-21fschecks_time07:41:550
2491099351,8cyclictest32566-21unixbench_singl07:32:100
24911993424,7cyclictest13517-21find08:07:081
24911993424,7cyclictest13517-21find08:07:081
2491099342,3cyclictest0-21swapper/008:22:070
2491099342,3cyclictest0-21swapper/008:22:070
2491099341,9cyclictest28178-21ntp_offset07:22:020
2491099341,9cyclictest28178-21ntp_offset07:22:020
2491099341,9cyclictest10652-21sort08:01:540
2491099331,9cyclictest7984-21grep07:52:090
2491099331,9cyclictest7984-21grep07:52:090
2491099331,9cyclictest16395-21/usr/sbin/munin08:16:570
2491099331,9cyclictest16395-21/usr/sbin/munin08:16:570
2491099331,9cyclictest16395-21/usr/sbin/munin08:16:570
2491099331,8cyclictest5441-21/usr/sbin/munin07:47:000
2491099331,8cyclictest5441-21/usr/sbin/munin07:47:000
2491099321,9cyclictest27240-21cron07:21:430
2491099321,9cyclictest27240-21cron07:21:430
24912993119,6cyclictest9680-21find07:57:082
24912993119,6cyclictest9680-21find07:57:082
24912993114,14cyclictest0-21swapper/208:12:062
24912993114,14cyclictest0-21swapper/208:12:062
24912993114,14cyclictest0-21swapper/208:12:062
24911993118,6cyclictest32326-21grep07:32:081
24912993013,13cyclictest0-21swapper/207:22:082
24912993013,13cyclictest0-21swapper/207:22:082
24912992817,9cyclictest5751-21find07:47:062
24912992817,9cyclictest5751-21find07:47:062
24912992812,11cyclictest0-21swapper/207:52:072
24912992812,11cyclictest0-21swapper/207:52:072
24912992811,10cyclictest73-21kswapd008:22:072
24912992811,10cyclictest73-21kswapd008:22:072
24912992713,11cyclictest0-21swapper/207:41:542
2491199273,3cyclictest131rcu_preempt07:42:061
235602275,13sleep20-21swapper/207:11:532
235602275,13sleep20-21swapper/207:11:532
2491299261,10cyclictest23732-21taskset08:35:302
2491299260,12cyclictest30806-21taskset07:28:042
2491299260,12cyclictest30806-21taskset07:28:042
2491299251,11cyclictest18005-21taskset08:20:392
2491299251,11cyclictest18005-21taskset08:20:392
2491299251,11cyclictest18005-21taskset08:20:392
2491299250,11cyclictest14077-21taskset08:10:142
2491299250,11cyclictest14077-21taskset08:10:142
239982230,3sleep30-21swapper/308:36:503
2491199221,18cyclictest23948-21ls08:36:481
2491199221,18cyclictest16620-21cut08:16:571
2491199221,18cyclictest16620-21cut08:16:571
2491199221,18cyclictest16620-21cut08:16:571
96192210,3sleep30-21swapper/307:57:063
96192210,3sleep30-21swapper/307:57:063
24913992114,5cyclictest321rcuc/307:28:533
24913992114,5cyclictest321rcuc/307:28:533
2491199211,17cyclictest28470-21grep07:22:071
2491199211,17cyclictest28470-21grep07:22:071
2491399205,10cyclictest0-21swapper/307:52:063
2491399205,10cyclictest0-21swapper/307:52:063
24913992014,4cyclictest321rcuc/307:49:153
24913992014,4cyclictest321rcuc/307:49:153
2491199206,12cyclictest18998-21sshd08:22:011
2491199206,12cyclictest18998-21sshd08:22:011
2491199189,7cyclictest20975-21ntp_states08:27:031
2491199188,8cyclictest30106-21ntp_states07:27:021
2491199188,8cyclictest30106-21ntp_states07:27:021
2491199181,14cyclictest9855-21grep07:57:091
2491199181,14cyclictest9855-21grep07:57:091
2491399171,13cyclictest0-21swapper/307:41:573
2491199171,12cyclictest12268-21idleruntime-cro08:06:431
24913991611,4cyclictest321rcuc/307:41:393
24913991611,4cyclictest321rcuc/307:41:393
2491399159,4cyclictest0-21swapper/308:26:583
24913991510,4cyclictest321rcuc/308:07:193
24913991510,4cyclictest321rcuc/308:07:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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