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2025-09-19 - 12:20
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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 50 highest latencies:
System rack4slot1.osadl.org (updated Fri Sep 19, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18397994626,15cyclictest10809-21ssh22:23:340
18397994626,15cyclictest10809-21ssh22:23:340
18399994528,10cyclictest27-21ksoftirqd/219:23:382
18399994528,10cyclictest27-21ksoftirqd/219:23:382
18397994434,8cyclictest27540-21ssh22:03:360
18397994434,8cyclictest27540-21ssh22:03:360
18397994434,8cyclictest27540-21ssh22:03:360
18399994328,8cyclictest27-21ksoftirqd/223:53:352
18399994328,8cyclictest27-21ksoftirqd/223:53:352
18399994328,8cyclictest27-21ksoftirqd/223:53:352
1839799431,33cyclictest6209-21ssh23:38:370
1839799428,29cyclictest12-21ksoftirqd/022:28:350
1839799428,29cyclictest12-21ksoftirqd/022:28:350
1839999401,30cyclictest22616-21ssh22:38:372
1839999401,30cyclictest22616-21ssh22:38:372
18398994035,3cyclictest0-21swapper/122:23:351
18398994035,3cyclictest0-21swapper/122:23:351
18398994033,5cyclictest21-21ksoftirqd/100:23:391
18398994033,5cyclictest21-21ksoftirqd/100:23:391
18397993924,7cyclictest19700-21find23:13:500
18397993924,7cyclictest19700-21find23:13:500
18397993924,7cyclictest19700-21find23:13:500
18397993824,5cyclictest12-21ksoftirqd/019:23:370
18397993824,5cyclictest12-21ksoftirqd/019:23:370
18397993821,8cyclictest4870-21sh21:33:500
18397993821,8cyclictest4870-21sh21:33:500
1839899376,27cyclictest22609-21ssh22:38:361
1839899376,27cyclictest22609-21ssh22:38:361
1839999368,21cyclictest2395-21ssh22:53:362
1839899363,4cyclictest131rcu_preempt21:08:361
1839899363,4cyclictest131rcu_preempt21:08:361
1839899361,31cyclictest6705-21ssh22:58:351
1839899361,31cyclictest6705-21ssh22:58:351
1839799363,3cyclictest131rcu_preempt21:23:350
18397993614,16cyclictest9950irq/48-mmc020:28:360
18397993614,16cyclictest9950irq/48-mmc020:28:360
1839799360,27cyclictest14737-21sh23:08:350
1839799360,27cyclictest14737-21sh23:08:350
18398993512,17cyclictest21-21ksoftirqd/122:48:341
18398993512,17cyclictest21-21ksoftirqd/122:48:341
1839899342,28cyclictest10860-21ssh23:03:371
1839899342,28cyclictest10860-21ssh23:03:371
1839799341,30cyclictest18645-21ssh22:33:360
1839799341,30cyclictest18645-21ssh22:33:360
1839899333,23cyclictest9863-21sendmail-msp23:43:351
1839899333,23cyclictest9863-21sendmail-msp23:43:351
1839899332,28cyclictest26816-21ssh00:03:341
18398993319,7cyclictest28637-21find19:48:501
18398993319,7cyclictest28637-21find19:48:501
1839799332,21cyclictest38650irq/55-eth022:48:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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