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2026-04-15 - 00:14
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot6.osadl.org (updated Tue Apr 14, 2026 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72122850,35sleep126-21ksoftirqd/109:05:321
217912830,6sleep10-21swapper/109:45:371
29766997734,37cyclictest14-21ksoftirqd/010:10:200
2931827716,52sleep00-21swapper/007:07:170
29770997634,17cyclictest26-21ksoftirqd/112:04:291
29770997234,13cyclictest26-21ksoftirqd/107:39:581
29766997232,16cyclictest14-21ksoftirqd/011:20:000
295752726,52sleep1507-21ntpd07:09:301
29766997134,14cyclictest14-21ksoftirqd/007:15:070
29766997129,15cyclictest14-21ksoftirqd/009:05:000
29766997038,27cyclictest14-21ksoftirqd/008:50:160
29766997038,27cyclictest14-21ksoftirqd/008:50:160
29766996957,8cyclictest14-21ksoftirqd/010:35:340
29766996957,8cyclictest14-21ksoftirqd/008:12:570
29770996828,16cyclictest26-21ksoftirqd/108:45:001
29766996833,8cyclictest14-21ksoftirqd/010:45:190
29766996830,15cyclictest14-21ksoftirqd/012:40:010
29766996830,15cyclictest14-21ksoftirqd/008:20:000
29766996828,15cyclictest14-21ksoftirqd/007:40:000
29770996736,25cyclictest26-21ksoftirqd/108:05:151
29770996727,17cyclictest26-21ksoftirqd/107:30:011
2976699679,16cyclictest0-21swapper/009:55:130
2976699676,53cyclictest30253-21apt-get08:40:120
29766996735,26cyclictest14-21ksoftirqd/012:00:150
29766996734,9cyclictest14-21ksoftirqd/010:09:490
29766996728,15cyclictest14-21ksoftirqd/008:50:000
29770996629,15cyclictest26-21ksoftirqd/111:15:001
29770996625,15cyclictest26-21ksoftirqd/110:00:011
29766996625,15cyclictest14-21ksoftirqd/012:35:010
29770996535,24cyclictest26-21ksoftirqd/111:40:371
29770996531,29cyclictest26-21ksoftirqd/107:40:191
29770996522,38cyclictest0-21swapper/109:15:141
29766996532,8cyclictest14-21ksoftirqd/011:40:140
29766996510,15cyclictest0-21swapper/007:10:140
29770996442,17cyclictest6327-21/usr/sbin/munin12:05:321
29770996435,8cyclictest26-21ksoftirqd/110:55:181
29770996432,17cyclictest26-21ksoftirqd/111:05:311
29770996430,8cyclictest26-21ksoftirqd/110:05:261
29770996426,15cyclictest26-21ksoftirqd/112:30:001
29770996426,15cyclictest26-21ksoftirqd/112:30:001
29766996445,15cyclictest14-21ksoftirqd/007:22:490
29766996445,15cyclictest14-21ksoftirqd/007:22:490
29766996441,12cyclictest0-21swapper/007:25:150
29766996434,26cyclictest14-21ksoftirqd/009:10:270
29766996434,26cyclictest14-21ksoftirqd/009:10:270
29766996412,47cyclictest8983-31find07:40:250
29770996334,23cyclictest26-21ksoftirqd/111:50:351
29770996334,23cyclictest26-21ksoftirqd/111:50:351
29770996334,17cyclictest26-21ksoftirqd/108:48:431
29770996333,9cyclictest26-21ksoftirqd/107:30:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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