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2026-04-02 - 07:44
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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 376 highest latencies:
System rack4slot1.osadl.org (updated Thu Apr 02, 2026 03:38:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
390127380,1sleep012-21ksoftirqd/002:32:120
390127380,1sleep012-21ksoftirqd/002:32:120
387121150,3sleep23864-21find02:32:102
387121150,3sleep23864-21find02:32:102
916721020,2sleep30-21swapper/302:52:053
916721020,2sleep30-21swapper/302:52:053
55122570,3sleep20-21swapper/202:41:502
55122570,3sleep20-21swapper/202:41:502
55122570,3sleep20-21swapper/202:41:502
35702530,2sleep12584-21ls02:32:051
35702530,2sleep12584-21ls02:32:051
62212510,3chrt0-21swapper/202:41:582
62212510,3chrt0-21swapper/202:41:582
112742390,2sleep00-21swapper/003:01:540
112742390,2sleep00-21swapper/003:01:540
112742390,2sleep00-21swapper/003:01:540
112742390,2sleep00-21swapper/003:01:540
152032380,3sleep30-21swapper/303:16:443
152032380,3sleep30-21swapper/303:16:443
421799337,12cyclictest2-21kthreadd02:52:042
421799337,12cyclictest2-21kthreadd02:52:042
4216992814,6cyclictest9165-21grep02:52:031
4216992814,6cyclictest9165-21grep02:52:031
4215992716,9cyclictest8657-21sed02:51:550
4215992716,9cyclictest8657-21sed02:51:550
41542262,17sleep30-21swapper/302:32:163
41542262,17sleep30-21swapper/302:32:163
421799251,4cyclictest0-21swapper/203:17:052
421799251,4cyclictest0-21swapper/203:17:052
421799235,8cyclictest0-21swapper/203:36:302
421799235,8cyclictest0-21swapper/203:36:302
421799235,8cyclictest0-21swapper/202:59:092
421799235,8cyclictest0-21swapper/202:59:092
421799235,8cyclictest0-21swapper/202:59:092
421799235,8cyclictest0-21swapper/202:59:092
421799226,4cyclictest0-21swapper/203:09:512
421799226,4cyclictest0-21swapper/203:09:512
421799223,4cyclictest27-21ksoftirqd/203:06:542
421799223,4cyclictest27-21ksoftirqd/203:06:542
421799223,4cyclictest27-21ksoftirqd/203:06:542
421699221,5cyclictest0-21swapper/103:31:481
421799215,5cyclictest0-21swapper/202:51:422
421799215,5cyclictest0-21swapper/202:51:422
421599211,8cyclictest5305-21grep02:41:440
421599211,8cyclictest5305-21grep02:41:440
421599211,8cyclictest5305-21grep02:41:440
4216992013,5cyclictest11277-21cat03:01:541
4216992013,5cyclictest11277-21cat03:01:541
4216992013,5cyclictest11277-21cat03:01:541
4216992013,5cyclictest11277-21cat03:01:541
4217991911,6cyclictest0-21swapper/203:31:462
421699196,10cyclictest8025-21latency_hist02:51:471
421699196,10cyclictest8025-21latency_hist02:51:471
4216991912,5cyclictest15443-21/usr/sbin/munin03:16:561
4216991912,5cyclictest15443-21/usr/sbin/munin03:16:561
421599194,13cyclictest16666-21grep03:17:070
421599194,13cyclictest16666-21grep03:17:070
421599194,12cyclictest14612-21cat03:11:480
421599194,12cyclictest14612-21cat03:11:480
421599191,9cyclictest695-21runrttasks03:14:520
421599191,9cyclictest695-21runrttasks03:14:520
4215991913,4cyclictest18519-21idleruntime-cro03:31:430
421599190,17cyclictest13102-21ls03:06:530
421599190,17cyclictest13102-21ls03:06:530
421599190,17cyclictest13102-21ls03:06:530
421799182,4cyclictest27-21ksoftirqd/203:14:352
421799182,4cyclictest27-21ksoftirqd/203:14:352
421699185,11cyclictest21-21ksoftirqd/103:02:031
421699185,11cyclictest21-21ksoftirqd/103:02:031
421699185,11cyclictest21-21ksoftirqd/103:02:031
421699181,9cyclictest6580-21find02:42:031
421699181,9cyclictest6580-21find02:42:031
421699181,14cyclictest5439-21cat02:41:481
421699181,14cyclictest5439-21cat02:41:481
421699181,14cyclictest5439-21cat02:41:481
421599181,9cyclictest8132-21/usr/sbin/munin02:51:520
421599180,4cyclictest73-21kswapd002:42:040
421599180,4cyclictest73-21kswapd002:42:040
421799173,3cyclictest27-21ksoftirqd/203:22:532
421699164,10cyclictest19362-21latency_hist03:36:501
421699164,10cyclictest19362-21latency_hist03:36:501
421699164,10cyclictest17850-21basename03:26:441
421699161,11cyclictest15358-21latency_hist03:16:501
421699161,11cyclictest15358-21latency_hist03:16:501
421699161,11cyclictest13756-21switchtime03:07:021
421699161,11cyclictest13756-21switchtime03:07:021
421599161,13cyclictest0-21swapper/003:23:590
421599161,13cyclictest0-21swapper/002:49:020
421899151,8cyclictest0-21swapper/303:16:553
421899151,8cyclictest0-21swapper/303:16:553
421899151,12cyclictest0-21swapper/303:07:023
421899151,12cyclictest0-21swapper/303:07:023
421599151,7cyclictest18789-21taskset03:32:200
421599151,7cyclictest18789-21taskset03:32:200
421899148,4cyclictest33-21ksoftirqd/303:02:093
421899148,4cyclictest33-21ksoftirqd/303:02:093
421899148,4cyclictest33-21ksoftirqd/303:02:093
421899141,10cyclictest5617-21taskset02:41:513
421899141,10cyclictest5617-21taskset02:41:513
421899141,10cyclictest5617-21taskset02:41:513
421899137,4cyclictest33-21ksoftirqd/302:47:103
421899137,4cyclictest33-21ksoftirqd/302:47:103
421899131,9cyclictest6148-21taskset02:41:553
421899131,9cyclictest6148-21taskset02:41:553
421899131,10cyclictest18613-21chrt03:31:473
421899127,3cyclictest103712chrt02:59:203
421899127,3cyclictest103712chrt02:59:203
421899127,3cyclictest103712chrt02:59:203
421899127,3cyclictest103712chrt02:59:203
421899117,3cyclictest187512chrt03:31:553
421899117,3cyclictest187512chrt03:31:553
421899111,8cyclictest17533-21chrt03:23:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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