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2025-11-29 - 18:54
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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 Sat Nov 29, 2025 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30942930,4chrt0-21swapper/212:16:322
30942930,4chrt0-21swapper/212:16:322
70132870,3sleep30-21swapper/307:41:043
70132870,3sleep30-21swapper/307:41:043
175412860,3sleep00-21swapper/010:40:410
175412860,3sleep00-21swapper/010:40:410
50892800,3sleep00-21swapper/007:36:070
50892800,3sleep00-21swapper/007:36:070
203202750,3sleep220315-21ssh09:25:522
203202750,3sleep220315-21ssh09:25:522
291862670,4sleep30-21swapper/308:41:003
291862670,4sleep30-21swapper/308:41:003
198712640,3chrt0-21swapper/312:35:023
198712640,3chrt0-21swapper/312:35:023
118762610,3sleep00-21swapper/010:32:530
118762610,3sleep00-21swapper/010:32:530
29137996044,10cyclictest7968-21sh09:11:002
29137996044,10cyclictest7968-21sh09:11:002
2913599583,44cyclictest12565-21ssh09:56:020
2913599583,44cyclictest12565-21ssh09:56:020
111502570,3sleep00-21swapper/011:50:500
111502570,3sleep00-21swapper/011:50:500
98652560,2sleep29866-21sshd07:48:162
39962550,3chrt0-21swapper/311:41:133
39962550,3chrt0-21swapper/311:41:133
247012550,3chrt24700-21sed08:26:140
128662540,3sleep00-21swapper/012:27:230
128662540,3sleep00-21swapper/012:27:230
2913799539,4cyclictest131rcu_preempt10:41:002
2913799539,4cyclictest131rcu_preempt10:41:002
287742530,1sleep27616-21diskmemload11:31:562
116192530,2sleep011629-21sh09:54:480
116192530,2sleep011629-21sh09:54:480
296462520,3sleep20-21swapper/207:15:522
296462520,3sleep20-21swapper/207:15:522
2913799523,40cyclictest14746-21ssh11:16:002
2913799523,40cyclictest14746-21ssh11:16:002
29135995216,25cyclictest38850irq/55-eth010:16:020
29135995216,25cyclictest38850irq/55-eth010:16:020
2913599503,41cyclictest542-21snmpd12:36:010
2913599503,41cyclictest542-21snmpd12:36:010
2913599493,12cyclictest131rcu_preempt08:45:590
2913599493,12cyclictest131rcu_preempt08:45:590
285232490,2sleep128529-21ntp_states07:11:091
285232490,2sleep128529-21ntp_states07:11:091
29135994832,10cyclictest6643-21apt-get07:41:000
29135994832,10cyclictest6643-21apt-get07:41:000
29135994831,13cyclictest27068-21apt-get11:30:590
206792480,5sleep333-21ksoftirqd/312:01:023
206792480,5sleep333-21ksoftirqd/312:01:023
2913599477,30cyclictest732-21runrttasks07:45:580
29135994730,11cyclictest38950irq/56-eth011:26:020
29135994730,11cyclictest38950irq/56-eth011:26:020
290792470,3sleep00-21swapper/008:40:530
17752470,2chrt0-21swapper/311:00:053
2913599454,32cyclictest32652-21ssh09:40:580
2913599454,32cyclictest32652-21ssh09:40:580
29135994528,9cyclictest38850irq/55-eth012:31:000
29135994528,9cyclictest38850irq/55-eth012:31:000
2913599452,35cyclictest21027-21ssh10:06:000
2913699445,32cyclictest12311-21ssh09:16:001
2913699445,32cyclictest12311-21ssh09:16:001
2913699445,32cyclictest12311-21ssh09:16:001
290902440,3sleep027646-21ls07:11:160
290902440,3sleep027646-21ls07:11:160
178672440,3sleep20-21swapper/211:57:072
2913799434,3cyclictest131rcu_preempt12:11:002
2913799434,3cyclictest131rcu_preempt12:11:002
70022410,4sleep30-21swapper/312:21:123
70022410,4sleep30-21swapper/312:21:123
213252410,4sleep30-21swapper/308:20:473
213252410,4sleep30-21swapper/308:20:473
36262400,2sleep23846-21unixbench_singl11:01:142
36262400,2sleep23846-21unixbench_singl11:01:142
2913599405,23cyclictest38850irq/55-eth010:26:010
2913599405,23cyclictest38850irq/55-eth010:26:010
2913599402,31cyclictest25381-21ssh10:11:020
2913599402,31cyclictest25381-21ssh10:11:020
188352400,2sleep30-21swapper/311:20:593
188352400,2sleep30-21swapper/311:20:593
119702400,3sleep011969-21grep11:51:060
119702400,3sleep011969-21grep11:51:060
11422390,8sleep333-21ksoftirqd/310:20:553
11422390,8sleep333-21ksoftirqd/310:20:553
29135993725,7cyclictest1292-21rm10:21:010
29135993725,7cyclictest1292-21rm10:21:010
2913699361,27cyclictest2594-21sh11:01:001
2913699361,27cyclictest2594-21sh11:01:001
2913599363,27cyclictest4361-21ssh09:46:000
2913599363,27cyclictest4361-21ssh09:46:000
29135993627,5cyclictest38950irq/56-eth009:20:590
29135993627,5cyclictest38950irq/56-eth009:20:590
2913699351,28cyclictest31337-21ssh11:36:011
126262350,3chrt0-21swapper/007:56:040
126262350,3chrt0-21swapper/007:56:040
95642340,3sleep10-21swapper/110:30:571
95642340,3sleep10-21swapper/110:30:571
34242340,3sleep00-21swapper/011:41:060
34242340,3sleep00-21swapper/011:41:060
2913799345,3cyclictest131rcu_preempt08:51:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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