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2025-11-28 - 05:56
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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 Nov 28, 2025 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89021570,3sleep0888-21ssh21:55:530
89021570,3sleep0888-21ssh21:55:530
1187021260,2sleep330869-21kworker/3:223:51:063
348821130,2sleep30-21swapper/322:31:533
348821130,2sleep30-21swapper/322:31:533
210421080,3sleep30-21swapper/320:11:113
210421080,3sleep30-21swapper/320:11:113
1261021080,2sleep30-21swapper/322:41:213
3236321060,3sleep00-21swapper/020:06:100
3236321060,3sleep00-21swapper/020:06:100
60821020,3sleep00-21swapper/023:38:370
60821020,3sleep00-21swapper/023:38:370
878621000,3sleep30-21swapper/323:47:163
878621000,3sleep30-21swapper/323:47:163
91682950,3sleep00-21swapper/021:30:210
34192870,2sleep20-21swapper/200:18:262
242832850,2sleep00-21swapper/022:55:010
242832850,2sleep00-21swapper/022:55:010
116362850,6sleep2131rcu_preempt20:38:342
116362850,6sleep2131rcu_preempt20:38:342
325272830,2sleep30-21swapper/321:54:553
325272830,2sleep30-21swapper/321:54:553
268212800,3chrt0-21swapper/300:07:423
268212800,3chrt0-21swapper/300:07:423
326092790,4chrt0-21swapper/321:20:513
326092790,4chrt0-21swapper/321:20:513
234772770,2sleep20-21swapper/221:10:572
234772770,2sleep20-21swapper/221:10:572
102922760,4chrt0-21swapper/020:35:590
102922760,4chrt0-21swapper/020:35:590
64482720,4chrt6447-21ssh22:35:532
64482720,4chrt6447-21ssh22:35:532
239772690,3sleep00-21swapper/021:45:560
72842680,3sleep00-21swapper/023:46:050
72842680,3sleep00-21swapper/023:46:050
120152680,3sleep30-21swapper/323:16:053
120152680,3sleep30-21swapper/323:16:053
324912630,3chrt0-21swapper/123:03:261
324912630,3chrt0-21swapper/123:03:261
227392630,2sleep10-21swapper/100:03:061
227392630,2sleep10-21swapper/100:03:061
307542620,3chrt0-21swapper/000:11:490
307542620,3chrt0-21swapper/000:11:490
1237099605,7cyclictest131rcu_preempt23:25:582
1237099605,7cyclictest131rcu_preempt23:25:582
259162580,3sleep20-21swapper/221:47:062
12369995717,7cyclictest131rcu_preempt21:51:001
12369995717,7cyclictest131rcu_preempt21:51:001
320462550,3sleep30-21swapper/320:06:053
320462550,3sleep30-21swapper/320:06:053
233922550,2sleep30-21swapper/321:10:543
233922550,2sleep30-21swapper/321:10:543
1237099552,38cyclictest1928-21ssh23:05:582
1237099552,38cyclictest1928-21ssh23:05:582
121702540,2sleep012182-21ssh21:32:470
121702540,2sleep012182-21ssh21:32:470
96192530,3chrt0-21swapper/222:38:552
96192530,3chrt0-21swapper/222:38:552
201862530,4sleep20-21swapper/222:16:002
201862530,4sleep20-21swapper/222:16:002
304182520,4sleep30-21swapper/320:01:063
304182520,4sleep30-21swapper/320:01:063
12368995232,10cyclictest12-21ksoftirqd/000:01:010
12368995232,10cyclictest12-21ksoftirqd/000:01:010
12368995214,27cyclictest38850irq/55-eth022:00:580
12368995214,27cyclictest38850irq/55-eth022:00:580
278482510,3chrt0-21swapper/321:50:093
20952510,11sleep333-21ksoftirqd/323:40:493
20952510,11sleep333-21ksoftirqd/323:40:493
156182510,3chrt0-21swapper/223:55:512
135392510,2sleep20-21swapper/221:34:502
135392510,2sleep20-21swapper/221:34:502
1237099506,30cyclictest27-21ksoftirqd/223:30:582
1237099506,30cyclictest27-21ksoftirqd/223:30:582
1237099504,33cyclictest15848-21ssh22:45:592
1237099504,33cyclictest15848-21ssh22:45:592
1236899505,39cyclictest1018-21ssh21:55:580
1236899505,39cyclictest1018-21ssh21:55:580
76252490,3chrt0-21swapper/222:01:532
76252490,3chrt0-21swapper/222:01:532
48112490,2sleep14902-21fschecks_time20:21:021
89502480,3chrt0-21swapper/020:31:050
89502480,3chrt0-21swapper/020:31:050
56902480,3chrt0-21swapper/122:00:521
56902480,3chrt0-21swapper/122:00:521
204132480,2sleep30-21swapper/322:50:543
204132480,2sleep30-21swapper/322:50:543
1237099486,9cyclictest131rcu_preempt00:10:582
1237099486,9cyclictest131rcu_preempt00:10:582
1236899486,26cyclictest38850irq/55-eth023:30:570
1236899486,26cyclictest38850irq/55-eth023:30:570
159672470,3sleep30-21swapper/323:56:013
159672470,3sleep30-21swapper/323:56:013
1237099475,11cyclictest131rcu_preempt19:51:002
1237099475,11cyclictest131rcu_preempt19:51:002
1236899472,8cyclictest131rcu_preempt23:51:000
265332460,3sleep10-21swapper/121:13:541
265332460,3sleep10-21swapper/121:13:541
1236899454,23cyclictest38850irq/55-eth023:05:580
1236899454,23cyclictest38850irq/55-eth023:05:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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