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2025-12-24 - 10:23
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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 Wed Dec 24, 2025 00:59:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1884799214203,9cyclictest0-21swapper/1122:57:423
1884799214203,9cyclictest0-21swapper/1122:57:423
1883999214160,22cyclictest0-21swapper/520:20:0335
1886599208200,6cyclictest0-21swapper/2821:10:1921
1886599208200,6cyclictest0-21swapper/2821:10:1921
1886599202166,22cyclictest0-21swapper/2820:05:2221
1886599202166,22cyclictest0-21swapper/2820:05:2221
1887299201167,17cyclictest171rcu_preempt23:24:4626
1887299201167,17cyclictest171rcu_preempt23:24:4626
1886899195141,52cyclictest0-21swapper/3023:27:1224
1886899195141,52cyclictest0-21swapper/3023:27:1224
1883999195173,14cyclictest171rcu_preempt23:42:3035
1883999195173,14cyclictest171rcu_preempt23:42:3035
1886599193183,8cyclictest0-21swapper/2822:35:1921
1886599193183,8cyclictest0-21swapper/2822:35:1921
1883799192170,20cyclictest0-21swapper/323:25:0623
1883799192170,20cyclictest0-21swapper/323:25:0623
1886599191183,7cyclictest0-21swapper/2821:16:2121
1886599191183,7cyclictest0-21swapper/2821:16:2121
1886599191183,7cyclictest0-21swapper/2821:16:2021
1885599191177,5cyclictest0-21swapper/1900:10:2511
1885599191177,5cyclictest0-21swapper/1900:10:2511
1886599190184,4cyclictest0-21swapper/2822:28:5721
1886599190184,4cyclictest0-21swapper/2822:28:5721
1886599188168,17cyclictest0-21swapper/2821:41:3121
1886599188168,17cyclictest0-21swapper/2821:41:3121
1886599187182,4cyclictest0-21swapper/2821:23:2721
1886599187182,4cyclictest0-21swapper/2821:23:2721
1886599186171,8cyclictest0-21swapper/2822:22:1621
1886599186171,8cyclictest0-21swapper/2822:22:1621
1883999186176,8cyclictest0-21swapper/523:19:2735
1883999186176,8cyclictest0-21swapper/523:19:2635
1886599185170,6cyclictest0-21swapper/2822:48:3821
1886599185170,6cyclictest0-21swapper/2822:48:3821
1886599185170,6cyclictest0-21swapper/2822:48:3821
1887299184146,8cyclictest0-21swapper/3223:01:0826
1887299184146,8cyclictest0-21swapper/3223:01:0826
1887299184146,8cyclictest0-21swapper/3223:01:0726
1886599183176,5cyclictest3436-21nfsd23:05:1021
1886599183176,5cyclictest3436-21nfsd23:05:1021
1883799183177,4cyclictest0-21swapper/322:50:0223
1883799183177,4cyclictest0-21swapper/322:50:0223
1883799183177,4cyclictest0-21swapper/322:50:0223
1883799183168,13cyclictest0-21swapper/322:54:5423
1883799183168,13cyclictest0-21swapper/322:54:5423
1886599182175,3cyclictest2454-21CPU21
1886599182175,3cyclictest2454-21CPU21
1886599182173,5cyclictest2772-21idleruntime-cro21:50:0021
1886599182173,5cyclictest2772-21idleruntime-cro21:50:0021
1883799182153,26cyclictest0-21swapper/300:07:3623
1883799182153,26cyclictest0-21swapper/300:07:3623
1886599180175,4cyclictest0-21swapper/2822:03:2621
1886599180175,4cyclictest0-21swapper/2822:03:2621
1886599180175,4cyclictest0-21swapper/2822:03:2621
1886599180172,5cyclictest0-21swapper/2821:36:4821
1886599180172,5cyclictest0-21swapper/2821:36:4821
1886599180172,5cyclictest0-21swapper/2821:36:4721
1884099180130,38cyclictest0-21swapper/622:49:2936
1884099180130,38cyclictest0-21swapper/622:49:2936
1884099180130,38cyclictest0-21swapper/622:49:2936
1883999180122,28cyclictest0-21swapper/522:34:2735
1883999180122,28cyclictest0-21swapper/522:34:2735
1886599179172,4cyclictest1392-21gdbus23:19:5321
1886599179172,4cyclictest1392-21gdbus23:19:5321
1883799179171,7cyclictest0-21swapper/321:42:1923
1883799179171,7cyclictest0-21swapper/321:42:1923
1887299178107,60cyclictest37267-21CPU26
1887299178107,60cyclictest37267-21CPU26
1886599178171,5cyclictest0-21swapper/2822:33:0321
1886599178171,5cyclictest0-21swapper/2822:33:0321
1886599178170,6cyclictest0-21swapper/2822:17:2521
1886599178170,6cyclictest0-21swapper/2822:17:2521
1886599178170,6cyclictest0-21swapper/2822:17:2521
1887399177159,8cyclictest0-21swapper/3321:51:2427
1887399177159,8cyclictest0-21swapper/3321:51:2427
1886599177171,4cyclictest0-21swapper/2823:20:5121
1886599177171,4cyclictest0-21swapper/2823:20:5121
1887299176171,3cyclictest0-21swapper/3219:31:3226
1887299176171,3cyclictest0-21swapper/3219:31:3226
1886599176170,5cyclictest0-21swapper/2823:13:4521
1886599176170,5cyclictest0-21swapper/2823:13:4521
1886599176170,5cyclictest0-21swapper/2823:13:4521
1886599176170,4cyclictest17010-21systemd-cgroups21:26:3221
1886599176170,4cyclictest17010-21systemd-cgroups21:26:3221
1886599175168,5cyclictest0-21swapper/2820:30:5921
1886599175168,5cyclictest0-21swapper/2820:30:5921
1884699175156,17cyclictest0-21swapper/1021:36:122
1884699175156,17cyclictest0-21swapper/1021:36:122
1884699175156,17cyclictest0-21swapper/1021:36:122
1887499174168,4cyclictest0-21swapper/3423:29:0828
1887499174168,4cyclictest0-21swapper/3423:29:0828
1887399174137,23cyclictest171rcu_preempt19:20:3227
1886599174169,4cyclictest0-21swapper/2823:05:0721
1886599174156,16cyclictest0-21swapper/2822:42:1721
1886599174156,16cyclictest0-21swapper/2822:42:1721
1886599174156,16cyclictest0-21swapper/2822:42:1621
1885499174124,47cyclictest3545-21CPU10
1885499174124,47cyclictest3545-21CPU10
1883799174147,24cyclictest0-21swapper/323:43:2823
1883799174147,24cyclictest0-21swapper/323:43:2823
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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