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2026-04-03 - 14:22
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Fri Apr 03, 2026 08:51:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2971424610,1sleep227-21ksoftirqd/207:12:112
2971424610,1sleep227-21ksoftirqd/207:12:112
1395821450,3sleep10-21swapper/107:56:561
1395821450,3sleep10-21swapper/107:56:561
2970721130,2sleep128479-21ls07:12:101
2970721130,2sleep128479-21ls07:12:101
70862970,2sleep30-21swapper/307:37:083
70862970,2sleep30-21swapper/307:37:083
31392970,2sleep30-21swapper/307:27:073
223602800,2chrt0-21swapper/308:17:033
223602800,2chrt0-21swapper/308:17:033
244602550,12sleep012-21ksoftirqd/008:22:070
244602550,12sleep012-21ksoftirqd/008:22:070
244602550,12sleep012-21ksoftirqd/008:22:070
178422530,2chrt0-21swapper/008:06:550
178422530,2chrt0-21swapper/008:06:550
30062994424,7cyclictest73-21kswapd008:02:081
30062994424,7cyclictest73-21kswapd008:02:081
3006199421,11cyclictest8194-21entropy07:41:580
3006199421,11cyclictest8194-21entropy07:41:580
34492400,3chrt0-21swapper/207:27:102
184302390,3sleep30-21swapper/308:07:023
184302390,3sleep30-21swapper/308:07:023
287292381,30sleep30-21swapper/307:11:563
287292381,30sleep30-21swapper/307:11:563
30062993520,12cyclictest9023-21find07:42:091
30062993520,12cyclictest9023-21find07:42:091
3006199349,6cyclictest4650-21ls07:31:590
108192330,3sleep30-21swapper/307:47:053
108192330,3sleep30-21swapper/307:47:053
30061993211,5cyclictest22917-21seq08:17:280
30061993211,5cyclictest22917-21seq08:17:280
3006199317,7cyclictest6236-21sort07:36:570
3006199317,7cyclictest6236-21sort07:36:570
3006399308,16cyclictest20655-21find08:12:092
30063992812,7cyclictest3556-21kworker/2:207:32:082
3006199281,13cyclictest0-21swapper/008:12:250
3006199276,4cyclictest131rcu_preempt08:02:080
3006199276,4cyclictest131rcu_preempt08:02:080
297062266,14sleep00-21swapper/007:12:090
297062266,14sleep00-21swapper/007:12:090
17752250,3sleep30-21swapper/308:47:063
17752250,3sleep30-21swapper/308:47:063
13322250,2sleep00-21swapper/008:46:590
13322250,2sleep00-21swapper/008:46:590
3006399241,4cyclictest131rcu_preempt07:42:092
3006399241,4cyclictest131rcu_preempt07:42:092
30062992410,12cyclictest73-21kswapd008:37:071
30062992410,12cyclictest73-21kswapd008:37:071
3006199249,13cyclictest31705-21uname08:42:000
3006199249,13cyclictest31705-21uname08:42:000
3006399231,6cyclictest1783-21/usr/sbin/munin08:47:082
3006399231,6cyclictest1783-21/usr/sbin/munin08:47:082
30061992319,2cyclictest0-21swapper/007:21:580
30061992319,2cyclictest0-21swapper/007:21:580
30062992113,6cyclictest1935-21unixbench_multi08:47:081
30062992113,6cyclictest1935-21unixbench_multi08:47:081
30061992118,2cyclictest0-21swapper/008:32:040
30061992118,2cyclictest0-21swapper/008:32:040
3006199210,5cyclictest131rcu_preempt08:27:080
3006199210,5cyclictest131rcu_preempt08:27:080
3006199210,3cyclictest131rcu_preempt07:27:070
212962211,3sleep10-21swapper/108:15:461
76252201,3sleep10-21swapper/107:40:011
76252201,3sleep10-21swapper/107:40:011
3006399205,3cyclictest1557850systemctl08:01:452
3006399205,3cyclictest1557850systemctl08:01:452
3006199201,5cyclictest30326-21find08:37:070
3006199201,5cyclictest30326-21find08:37:070
280732200,3sleep30-21swapper/308:32:023
280732200,3sleep30-21swapper/308:32:023
3006399197,4cyclictest27-21ksoftirqd/207:37:082
3006399197,4cyclictest27-21ksoftirqd/207:37:082
3006399196,3cyclictest131rcu_preempt08:37:082
3006399196,3cyclictest131rcu_preempt08:37:082
3006399193,4cyclictest27-21ksoftirqd/207:47:092
3006399193,4cyclictest27-21ksoftirqd/207:47:092
3006399191,3cyclictest131rcu_preempt08:02:082
3006399191,3cyclictest131rcu_preempt08:02:082
3006299199,8cyclictest24464-21grep08:22:071
3006299199,8cyclictest24464-21grep08:22:071
3006299199,8cyclictest24464-21grep08:22:071
3006299198,9cyclictest5104-21find07:32:051
30062991912,5cyclictest0-21swapper/108:17:001
30062991912,5cyclictest0-21swapper/108:17:001
30062991910,7cyclictest28105-21ntp_states08:32:031
30062991910,7cyclictest28105-21ntp_states08:32:031
3006499181,12cyclictest0-21swapper/308:41:563
3006499181,12cyclictest0-21swapper/308:41:563
3006399189,7cyclictest23826-21cut08:21:582
3006399189,7cyclictest23826-21cut08:21:582
3006399189,7cyclictest23826-21cut08:21:582
3006299181,15cyclictest0-21swapper/107:23:211
3006299181,15cyclictest0-21swapper/107:23:211
30062991810,6cyclictest31071-21cat07:16:581
30062991810,6cyclictest31071-21cat07:16:581
30062991810,6cyclictest31071-21cat07:16:581
3006199182,14cyclictest13396-21runrttasks07:54:190
3006199182,14cyclictest13396-21runrttasks07:54:190
3006199181,6cyclictest32386-21cat07:21:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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