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2026-04-09 - 07:46
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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 08, 2026 20:01:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2389824520,1sleep227-21ksoftirqd/219:12:202
2389824520,1sleep227-21ksoftirqd/219:12:202
1924121410,2sleep30-21swapper/319:39:503
1924121410,2sleep30-21swapper/319:39:503
523721350,4sleep30-21swapper/319:52:143
523721350,4sleep30-21swapper/319:52:143
1804521350,5sleep30-21swapper/319:22:153
1804521350,5sleep30-21swapper/319:22:153
1804521350,5sleep30-21swapper/319:22:153
3247721250,4chrt0-21swapper/319:20:223
3247721250,4chrt0-21swapper/319:20:223
571221110,5sleep30-21swapper/319:45:223
571221110,5sleep30-21swapper/319:45:223
571221110,5sleep30-21swapper/319:45:223
838021100,2chrt8379-21benchlatencyplo19:24:442
838021100,2chrt8379-21benchlatencyplo19:24:442
838021100,2chrt8379-21benchlatencyplo19:24:442
1335821100,2sleep113359-21ts2lt19:39:121
1335821100,2sleep113359-21ts2lt19:39:121
719221090,3sleep30-21swapper/319:28:033
719221090,3sleep30-21swapper/319:28:033
2921521070,3sleep129214-21benchlatencyplo19:16:331
2921521070,3sleep129214-21benchlatencyplo19:16:331
2182621070,2sleep30-21swapper/319:57:303
2182621070,2sleep30-21swapper/319:57:303
2433921050,3sleep10-21swapper/119:50:511
2433921050,3sleep10-21swapper/119:50:511
1833821050,3chrt18339-21ts2lt19:57:082
1833821050,3chrt18339-21ts2lt19:57:082
39702990,4sleep30-21swapper/319:34:433
39702990,4sleep30-21swapper/319:34:433
285692940,2chrt28566-21cut20:01:461
285692940,2chrt28566-21cut20:01:461
227212900,2sleep222720-21benchlatencyplo19:33:132
227212900,2sleep222720-21benchlatencyplo19:33:132
138452890,3sleep20-21swapper/219:18:202
138452890,3sleep20-21swapper/219:18:202
251522850,2sleep020169-21ls19:12:310
251522850,2sleep020169-21ls19:12:310
85152810,3sleep10-21swapper/119:45:401
85152810,3sleep10-21swapper/119:45:401
85152810,3sleep10-21swapper/119:45:401
180152810,3chrt0-21swapper/119:18:471
180152810,3chrt0-21swapper/119:18:471
116112810,11sleep333-21ksoftirqd/319:14:383
116112810,11sleep333-21ksoftirqd/319:14:383
16932760,3sleep20-21swapper/219:30:592
16932760,3sleep20-21swapper/219:30:592
191672720,2chrt131rcu_preempt20:00:450
191672720,2chrt131rcu_preempt20:00:450
140852720,2chrt0-21swapper/019:53:120
140852720,2chrt0-21swapper/019:53:120
268322710,3sleep10-21swapper/119:33:401
268322710,3sleep10-21swapper/119:33:401
171032680,3chrt17105-21benchlatencyplo19:50:032
171032680,3chrt17105-21benchlatencyplo19:50:032
167902650,4sleep00-21swapper/019:50:010
167902650,4sleep00-21swapper/019:50:010
108642640,2sleep10-21swapper/119:56:231
108642640,2sleep10-21swapper/119:56:231
58042630,3sleep00-21swapper/019:38:220
58042630,3sleep00-21swapper/019:38:220
70572600,4sleep00-21swapper/019:21:070
70572600,4sleep00-21swapper/019:21:070
198232590,2sleep019822-21grep19:43:210
198232590,2sleep019822-21grep19:43:210
198232590,2sleep019822-21grep19:43:210
47982580,3sleep20-21swapper/219:55:432
47982580,3sleep20-21swapper/219:55:432
324332560,2sleep032434-21ts2lt19:23:490
324332560,2sleep032434-21ts2lt19:23:490
324332560,2sleep032434-21ts2lt19:23:490
70012520,3sleep00-21swapper/019:31:340
70012520,3sleep00-21swapper/019:31:340
246462520,4sleep30-21swapper/319:50:533
246462520,4sleep30-21swapper/319:50:533
226152500,4sleep20-21swapper/219:43:402
226152500,4sleep20-21swapper/219:43:402
226152500,4sleep20-21swapper/219:43:402
90852480,2sleep09084-21benchlatencyplo19:35:160
90852480,2sleep09084-21benchlatencyplo19:35:160
321312470,1sleep1201rcuc/119:30:461
321312470,1sleep1201rcuc/119:30:461
122642390,3sleep212266-21cat19:39:052
122642390,3sleep212266-21cat19:39:052
2759299272,8cyclictest131rcu_preempt19:25:321
2759299272,8cyclictest131rcu_preempt19:25:321
2759299272,8cyclictest131rcu_preempt19:25:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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