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2026-06-18 - 04:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Thu Jun 18, 2026 01:02:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2547199227185,28cyclictest0-21swapper/2721:15:1420
2547199227185,28cyclictest0-21swapper/2721:15:1420
2548199225220,3cyclictest0-21swapper/3622:05:1430
2548199225220,3cyclictest0-21swapper/3622:05:1430
2548199225220,3cyclictest0-21swapper/3622:05:1430
2546499218204,9cyclictest0-21swapper/2019:40:2713
2546899216192,16cyclictest0-21swapper/2422:40:0917
2546899216192,16cyclictest0-21swapper/2422:40:0817
2546499214200,9cyclictest0-21swapper/2023:47:1513
2546499214200,9cyclictest0-21swapper/2023:47:1513
2544899214202,4cyclictest4408-21CPU38
2544899214202,4cyclictest4408-21CPU38
2544899214202,4cyclictest4408-21CPU38
2546499211203,5cyclictest3535-21qemu-system-x8623:39:4813
2546499211203,5cyclictest3535-21qemu-system-x8623:39:4813
2547999210195,12cyclictest0-21swapper/3421:18:4728
2547999210195,12cyclictest0-21swapper/3421:18:4728
2546799210194,11cyclictest0-21swapper/2320:50:1716
2546799210194,11cyclictest0-21swapper/2320:50:1716
2546499210205,4cyclictest0-21swapper/2023:55:2613
2546499210205,4cyclictest0-21swapper/2023:55:2613
2546499210205,4cyclictest0-21swapper/2023:55:2613
2548399209200,6cyclictest40908-21sshd00:35:2132
2548399209200,6cyclictest40908-21sshd00:35:2132
2548399209200,6cyclictest40908-21sshd00:35:2032
2548299209200,8cyclictest0-21swapper/3721:22:0331
2548299209200,8cyclictest0-21swapper/3721:22:0331
2546899208184,17cyclictest171rcu_preempt20:49:5617
2546899208184,17cyclictest171rcu_preempt20:49:5617
2547199206186,18cyclictest0-21swapper/2722:05:1420
2547199206186,18cyclictest0-21swapper/2722:05:1420
2547199206186,18cyclictest0-21swapper/2722:05:1420
2547199205184,14cyclictest0-21swapper/2700:25:2020
2547199205184,14cyclictest0-21swapper/2700:25:1920
2546799205196,5cyclictest2464-21CPU16
2546799205196,5cyclictest2464-21CPU16
2546799205196,5cyclictest2464-21CPU16
2546499205197,4cyclictest0-21swapper/2000:04:1513
2546499205197,4cyclictest0-21swapper/2000:04:1513
2546499205197,4cyclictest0-21swapper/2000:04:1413
2547199204193,9cyclictest0-21swapper/2720:15:0820
2547199204184,15cyclictest0-21swapper/2722:10:2520
2547199204184,15cyclictest0-21swapper/2722:10:2520
2547199204184,15cyclictest0-21swapper/2722:10:2520
2547199204179,9cyclictest0-21swapper/2722:02:1620
2547199204179,9cyclictest0-21swapper/2722:02:1620
2546899204160,35cyclictest0-21swapper/2400:26:4717
2546899204160,35cyclictest0-21swapper/2400:26:4617
2546799204195,4cyclictest3547-21CPU16
2546799204195,4cyclictest3547-21CPU16
2544899204195,7cyclictest0-21swapper/819:55:1838
2544899204195,7cyclictest0-21swapper/819:55:1738
2548599203190,11cyclictest0-21swapper/3919:15:2033
2548599203190,11cyclictest0-21swapper/3919:15:2033
2547199203193,4cyclictest12909-21systemd-cgroups00:11:4820
2547199203193,4cyclictest12909-21systemd-cgroups00:11:4720
2547199203193,4cyclictest12909-21systemd-cgroups00:11:4720
2546799203197,4cyclictest0-21swapper/2322:55:2716
2546799203197,4cyclictest0-21swapper/2322:55:2616
2544999203194,7cyclictest0-21swapper/919:55:3839
2544999203194,7cyclictest0-21swapper/919:55:3839
2544899203197,3cyclictest37355-21CPU38
2544899203197,3cyclictest37355-21CPU38
2544899203195,5cyclictest0-21swapper/822:19:2438
2544899203195,5cyclictest0-21swapper/822:19:2438
2546899201194,4cyclictest0-21swapper/2420:40:2217
2546899201194,4cyclictest0-21swapper/2420:40:2117
2546899201192,7cyclictest0-21swapper/2419:30:0117
2546899201192,7cyclictest0-21swapper/2419:30:0017
2546899201191,6cyclictest3609-21CPU17
2546899201191,6cyclictest3609-21CPU17
2547199200193,4cyclictest37257-21qemu-system-x8621:40:5520
2547199200193,4cyclictest37257-21qemu-system-x8621:40:5520
2547199200179,17cyclictest0-21swapper/2700:33:3720
2547199200179,17cyclictest0-21swapper/2700:33:3720
2546499200195,4cyclictest0-21swapper/2023:50:3713
2546499200195,4cyclictest0-21swapper/2023:50:3713
2546499200195,4cyclictest0-21swapper/2023:50:3713
2547199199192,4cyclictest0-21swapper/2721:54:4220
2547199199192,4cyclictest0-21swapper/2721:54:4120
2546499198190,4cyclictest0-21swapper/2021:22:0013
2546499198190,4cyclictest0-21swapper/2021:21:5913
2544999198151,39cyclictest0-21swapper/921:07:2139
2544999198151,39cyclictest0-21swapper/921:07:2139
2544899198185,5cyclictest3548-21CPU38
2544899198185,5cyclictest3548-21CPU38
2547199197187,7cyclictest0-21swapper/2700:39:2820
2547199197187,7cyclictest0-21swapper/2700:39:2820
2547199197187,7cyclictest0-21swapper/2700:39:2820
2546899197192,4cyclictest0-21swapper/2422:34:5117
2546899197192,4cyclictest0-21swapper/2422:34:5017
2546899197190,4cyclictest0-21swapper/2422:57:1617
2546899197190,4cyclictest0-21swapper/2422:57:1617
2546799197170,13cyclictest0-21swapper/2320:15:4016
2544899197189,5cyclictest1430-21polkitd23:21:3338
2544899197189,5cyclictest1430-21polkitd23:21:3238
2544899197188,6cyclictest0-21swapper/823:35:0738
2547199196187,5cyclictest0-21swapper/2700:24:5420
2547199196187,5cyclictest0-21swapper/2700:24:5320
2547199196179,10cyclictest0-21swapper/2721:13:4520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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