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2026-03-23 - 17:16
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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 highest latencies:
System rack4slot1.osadl.org (updated Mon Mar 23, 2026 07:51:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
325842850,2sleep30-21swapper/307:26:593
270882820,3sleep121-21ksoftirqd/107:12:021
270882820,3sleep121-21ksoftirqd/107:12:021
70622680,3sleep10-21swapper/107:46:461
70622680,3sleep10-21swapper/107:46:461
270892510,2sleep225576-21ls07:12:032
270892510,2sleep225576-21ls07:12:032
27153994021,11cyclictest2064-21sshd07:31:592
27153994021,11cyclictest2064-21sshd07:31:592
27151993517,10cyclictest73-21kswapd007:31:590
27151993517,10cyclictest73-21kswapd007:31:590
2715299311,3cyclictest0-21swapper/107:16:571
2715299311,3cyclictest0-21swapper/107:16:571
2715299311,3cyclictest0-21swapper/107:16:571
258012305,17sleep025921-21df07:11:450
258012305,17sleep025921-21df07:11:450
2715199241,3cyclictest131rcu_preempt07:21:560
2715199241,3cyclictest131rcu_preempt07:21:560
2715299221,19cyclictest32517-21ls07:26:571
2715299221,17cyclictest2999-21find07:36:461
2715299221,17cyclictest2999-21find07:36:461
2715199228,11cyclictest131rcu_preempt07:26:590
27151992213,7cyclictest7911-21chrt07:46:580
27151992213,7cyclictest7911-21chrt07:46:580
27153992111,8cyclictest6261-21sshd07:41:592
27153992111,8cyclictest6261-21sshd07:41:592
270952211,14sleep30-21swapper/307:12:083
270952211,14sleep30-21swapper/307:12:083
2715399207,11cyclictest2675-21systemd-journal07:21:342
2715399207,11cyclictest2675-21systemd-journal07:21:342
2715399207,11cyclictest2675-21systemd-journal07:21:342
2715399201,17cyclictest2675-21systemd-journal07:26:342
2715399201,17cyclictest2675-21systemd-journal07:26:342
2715399201,16cyclictest31843-21fschecks_time07:26:482
2715199207,11cyclictest5620-21ntp_kernel_err07:41:520
2715199207,11cyclictest5620-21ntp_kernel_err07:41:520
2715299191,15cyclictest1536-21grep07:31:501
2715299191,15cyclictest1536-21grep07:31:501
15042190,4sleep30-21swapper/307:31:493
15042190,4sleep30-21swapper/307:31:493
2715299186,10cyclictest5207-21fschecks_time07:41:471
2715299186,10cyclictest5207-21fschecks_time07:41:471
2715299182,12cyclictest29881-21sort07:21:461
2715299182,12cyclictest29881-21sort07:21:461
2715399173,12cyclictest7508-21needreboot07:46:512
2715399173,12cyclictest7508-21needreboot07:46:512
2715199177,8cyclictest28676-21snmpd07:36:520
2715199177,8cyclictest28676-21snmpd07:36:520
27151991712,3cyclictest151rcuc/007:16:460
27151991712,3cyclictest151rcuc/007:16:460
27151991712,3cyclictest151rcuc/007:16:460
2715499161,11cyclictest0-21swapper/307:46:463
2715499161,11cyclictest0-21swapper/307:46:463
2715399161,12cyclictest3829-21ps07:36:562
2715399161,12cyclictest3829-21ps07:36:562
2715499151,11cyclictest0-21swapper/307:36:503
2715499151,11cyclictest0-21swapper/307:36:503
2715499138,3cyclictest292552chrt07:19:353
2715499138,3cyclictest292552chrt07:19:353
2715499138,3cyclictest292552chrt07:19:353
2715499132,9cyclictest0-21swapper/307:41:453
2715499132,9cyclictest0-21swapper/307:41:453
2715499131,9cyclictest0-21swapper/307:21:463
2715499131,9cyclictest0-21swapper/307:21:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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