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2025-12-04 - 15:17
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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 rack3slot0.osadl.org (updated Thu Dec 04, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323202510,0sleep40-21swapper/409:01:134
1546024925,8sleep00-21swapper/006:51:300
1555524825,8sleep10-21swapper/106:52:511
200842470,0sleep70-21swapper/711:54:557
162542450,0sleep3401ktimersoftd/309:14:253
69622430,0sleep70-21swapper/709:34:007
255152420,2sleep51582699cyclictest11:31:385
115142420,0sleep10-21swapper/111:39:111
1550724128,9sleep20-21swapper/206:52:122
1545424128,9sleep30-21swapper/306:51:253
1556124028,8sleep70-21swapper/706:52:577
1534124028,8sleep60-21swapper/606:49:526
5492390,0sleep50-21swapper/510:29:085
1538923927,9sleep50-21swapper/506:50:315
1537923927,8sleep40-21swapper/406:50:224
84862380,0sleep20-21swapper/210:35:052
128062380,0sleep30-21swapper/311:20:073
65222370,0sleep00-21swapper/010:29:510
85982360,0sleep30-21swapper/309:44:453
296092330,0sleep60-21swapper/610:13:476
194832280,0sleep10-21swapper/108:51:171
71552200,0sleep6641ktimersoftd/611:43:336
1583599207,3cyclictest73-21ksoftirqd/711:11:417
1579499190,2cyclictest29102-21sshd11:56:190
1583599181,1cyclictest28072-21kworker/7:009:17:037
15817991815,2cyclictest41-21ksoftirqd/310:59:223
15817991815,1cyclictest41-21ksoftirqd/310:11:523
1579499183,6cyclictest757-21snmpd11:03:150
1579499180,1cyclictest0-21swapper/011:44:530
36982170,0sleep30-21swapper/310:29:223
15835991713,4cyclictest73-21ksoftirqd/707:08:277
1581799174,3cyclictest41-21ksoftirqd/309:09:113
15817991715,2cyclictest41-21ksoftirqd/311:29:483
1579499170,2cyclictest19666-21grep10:41:560
156742170,0sleep50-21swapper/511:01:195
15835991614,1cyclictest73-21ksoftirqd/711:38:127
15835991614,1cyclictest73-21ksoftirqd/710:34:167
15835991614,1cyclictest73-21ksoftirqd/710:14:377
15835991614,1cyclictest73-21ksoftirqd/709:31:047
15835991610,1cyclictest73-21ksoftirqd/709:20:597
15835991610,0cyclictest73-21ksoftirqd/711:59:297
1583599160,0cyclictest0-21swapper/708:43:577
1582699166,5cyclictest0-21swapper/509:29:315
1582699165,11cyclictest0-21swapper/510:27:475
1582099168,1cyclictest49-21ksoftirqd/411:23:074
15820991614,1cyclictest49-21ksoftirqd/411:41:304
15820991613,3cyclictest49-21ksoftirqd/408:58:394
15817991614,1cyclictest41-21ksoftirqd/312:04:073
15817991614,1cyclictest41-21ksoftirqd/311:41:523
15804991611,1cyclictest3368-21bash09:49:121
1579499160,2cyclictest28272-21sshd09:32:110
1579499160,2cyclictest23254-21bash10:12:450
103362160,0sleep50-21swapper/511:58:295
74592150,0sleep6641ktimersoftd/611:38:446
1583599159,6cyclictest73-21ksoftirqd/710:29:317
1583599152,13cyclictest73-21ksoftirqd/708:12:357
1583599152,13cyclictest0-21swapper/708:38:457
15835991513,1cyclictest73-21ksoftirqd/711:45:387
15835991513,1cyclictest73-21ksoftirqd/711:41:357
15835991513,1cyclictest73-21ksoftirqd/711:31:377
15835991513,1cyclictest73-21ksoftirqd/711:26:467
15835991513,1cyclictest73-21ksoftirqd/711:20:267
15835991513,1cyclictest73-21ksoftirqd/710:59:107
15835991513,1cyclictest73-21ksoftirqd/710:09:307
15835991513,1cyclictest73-21ksoftirqd/710:08:267
15835991513,1cyclictest73-21ksoftirqd/709:49:097
15835991512,1cyclictest73-21ksoftirqd/712:04:087
1583599151,1cyclictest121rcu_preempt10:48:127
1583599150,15cyclictest0-21swapper/708:31:597
1582699154,11cyclictest0-21swapper/509:28:435
1582699150,9cyclictest0-21swapper/511:47:315
1582699150,9cyclictest0-21swapper/510:40:155
1582099158,4cyclictest49-21ksoftirqd/409:52:374
1582099157,2cyclictest49-21ksoftirqd/410:23:174
1582099153,4cyclictest49-21ksoftirqd/411:12:324
15820991514,1cyclictest49-21ksoftirqd/412:14:524
15820991514,1cyclictest49-21ksoftirqd/410:49:104
15820991513,1cyclictest49-21ksoftirqd/411:28:484
15820991512,3cyclictest49-21ksoftirqd/412:05:474
15820991512,3cyclictest49-21ksoftirqd/411:44:424
15820991512,3cyclictest49-21ksoftirqd/410:13:254
15817991515,0cyclictest5286-21kworker/3:108:31:593
15817991515,0cyclictest12677-21kworker/3:008:43:573
15817991514,1cyclictest5900-21kworker/3:008:12:353
15817991514,1cyclictest5286-21kworker/3:108:38:453
15817991514,1cyclictest41-21ksoftirqd/311:59:493
15817991514,1cyclictest41-21ksoftirqd/310:24:093
15817991514,1cyclictest41-21ksoftirqd/310:13:583
15817991513,1cyclictest41-21ksoftirqd/311:49:293
15817991513,1cyclictest41-21ksoftirqd/310:02:103
15817991513,1cyclictest41-21ksoftirqd/309:38:563
15817991512,1cyclictest41-21ksoftirqd/312:15:493
15817991512,1cyclictest41-21ksoftirqd/312:13:563
1580999150,13cyclictest18554-21sshd12:23:082
1579499150,1cyclictest0-21swapper/010:17:100
185172140,0sleep60-21swapper/609:56:496
1583599149,1cyclictest73-21ksoftirqd/711:06:077
15835991414,0cyclictest73-21ksoftirqd/707:46:357
15835991414,0cyclictest28072-21kworker/7:007:29:257
15835991413,1cyclictest73-21ksoftirqd/711:18:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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