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2026-03-17 - 15:14
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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 Tue Mar 17, 2026 08:11:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2589425460,1sleep012-21ksoftirqd/007:11:570
2589425460,1sleep012-21ksoftirqd/007:11:570
106672810,3sleep10-21swapper/107:56:521
106672810,3sleep10-21swapper/107:56:521
106672810,3sleep10-21swapper/107:56:521
314502640,3chrt0-21swapper/007:26:520
314502640,3chrt0-21swapper/007:26:520
59652580,3chrt0-21swapper/307:46:413
254072580,2sleep125459-21ps07:11:511
254072580,2sleep125459-21ps07:11:511
2599799471,42cyclictest12580-21find08:01:510
2599799471,42cyclictest12580-21find08:01:510
120782460,2chrt0-21swapper/208:01:432
120782460,2chrt0-21swapper/208:01:432
25999994421,11cyclictest2859-21find07:36:522
25999994421,11cyclictest2859-21find07:36:522
2599999441,29cyclictest1643-21taskset07:36:092
2599799441,38cyclictest7870-21entropy07:51:390
2599799441,38cyclictest7870-21entropy07:51:390
2599999420,28cyclictest14795-21taskset08:06:552
2599799410,37cyclictest73-21kswapd007:36:520
2599799410,37cyclictest73-21kswapd007:36:520
2599999406,29cyclictest27-21ksoftirqd/207:56:512
2599999406,29cyclictest27-21ksoftirqd/207:56:512
2599999406,29cyclictest27-21ksoftirqd/207:56:512
2599999400,25cyclictest32167-21taskset07:31:222
2599999400,25cyclictest32167-21taskset07:31:222
2599999390,27cyclictest26139-21seq07:13:462
2599999390,27cyclictest26139-21seq07:13:462
2599999381,34cyclictest6810-21find07:46:512
2599799380,34cyclictest27608-21find07:16:510
2599799380,34cyclictest27608-21find07:16:510
2599799380,34cyclictest27608-21find07:16:510
2599999371,32cyclictest0-21swapper/207:16:512
2599999371,32cyclictest0-21swapper/207:16:512
2599999371,32cyclictest0-21swapper/207:16:512
2599999370,34cyclictest73-21kswapd007:41:512
2599999370,34cyclictest73-21kswapd007:41:512
2599999370,34cyclictest73-21kswapd007:21:402
2599999370,34cyclictest73-21kswapd007:21:402
2599799371,33cyclictest0-21swapper/007:43:370
2599799371,33cyclictest0-21swapper/007:43:370
2599799371,30cyclictest0-21swapper/007:56:520
2599799371,30cyclictest0-21swapper/007:56:520
2599799371,30cyclictest0-21swapper/007:56:520
2599999341,30cyclictest0-21swapper/207:51:392
2599999341,30cyclictest0-21swapper/207:51:392
2599799341,30cyclictest0-21swapper/007:21:520
2599799341,30cyclictest0-21swapper/007:21:520
2599799341,21cyclictest1148-21sed07:31:540
2599799330,31cyclictest73-21kswapd007:46:520
83282320,2sleep30-21swapper/307:51:433
83282320,2sleep30-21swapper/307:51:433
25998993011,3cyclictest131rcu_preempt07:31:531
2599799301,26cyclictest13636-21df08:06:390
80792270,3sleep17736-21/usr/sbin/munin07:51:411
80792270,3sleep17736-21/usr/sbin/munin07:51:411
121842250,3sleep30-21swapper/308:01:443
121842250,3sleep30-21swapper/308:01:443
25998992114,3cyclictest21-21ksoftirqd/107:36:521
25998992114,3cyclictest21-21ksoftirqd/107:36:521
2599899211,3cyclictest131rcu_preempt08:01:511
2599899211,3cyclictest131rcu_preempt08:01:511
2599899211,11cyclictest28506-21latency_hist07:21:371
2599899211,11cyclictest28506-21latency_hist07:21:371
2599899211,11cyclictest28506-21latency_hist07:21:371
2599899202,15cyclictest14507-21find08:06:511
25998992012,5cyclictest4818-21cat07:41:501
25998992012,5cyclictest4818-21cat07:41:501
2600099191,13cyclictest0-21swapper/307:31:403
2599899192,5cyclictest131rcu_preempt07:21:511
2599899192,5cyclictest131rcu_preempt07:21:511
25998991912,5cyclictest31744-21users07:26:551
25998991912,5cyclictest31744-21users07:26:551
259512192,11sleep30-21swapper/307:12:053
259512192,11sleep30-21swapper/307:12:053
2600099181,13cyclictest0-21swapper/307:56:393
2600099181,13cyclictest0-21swapper/307:56:393
2600099181,13cyclictest0-21swapper/307:56:393
2600099181,12cyclictest0-21swapper/308:06:393
2600099171,14cyclictest0-21swapper/307:26:433
2600099171,14cyclictest0-21swapper/307:26:433
2600099171,11cyclictest0-21swapper/307:36:443
2600099171,11cyclictest0-21swapper/307:36:443
2600099171,11cyclictest0-21swapper/307:16:383
2600099171,11cyclictest0-21swapper/307:16:383
2600099171,11cyclictest0-21swapper/307:16:383
2599899175,10cyclictest6674-21mailstats07:46:491
299502151,3sleep30-21swapper/307:23:063
299502151,3sleep30-21swapper/307:23:063
2600099122,7cyclictest0-21swapper/307:41:533
2600099122,7cyclictest0-21swapper/307:41:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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