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2026-04-01 - 09:50
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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 Apr 01, 2026 01:02:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2669399199188,8cyclictest0-21swapper/1600:25:198
2669399199188,8cyclictest0-21swapper/1600:25:198
2669399197191,5cyclictest0-21swapper/1622:50:308
2669399197191,5cyclictest0-21swapper/1622:50:308
2668599195160,23cyclictest0-21swapper/923:51:4239
2668599195160,23cyclictest0-21swapper/923:51:4239
2669399194103,80cyclictest3543-21CPU8
2669399194103,80cyclictest3543-21CPU8
2669399192188,3cyclictest0-21swapper/1623:01:278
2669399192188,3cyclictest0-21swapper/1623:01:278
2668599191135,44cyclictest2327-21qemu-system-x8622:44:5939
2668599191135,44cyclictest2327-21qemu-system-x8622:44:5839
2667799189174,13cyclictest0-21swapper/222:19:0812
2667799189174,13cyclictest0-21swapper/222:19:0812
2671099185173,6cyclictest0-21swapper/3000:20:3124
2671099185173,6cyclictest0-21swapper/3000:20:3124
2671099185173,6cyclictest0-21swapper/3000:20:3024
2669399185118,55cyclictest3543-21CPU8
2669399185118,55cyclictest3543-21CPU8
2668599183151,29cyclictest0-21swapper/900:29:3839
2668599183151,29cyclictest0-21swapper/900:29:3739
2669399182150,18cyclictest0-21swapper/1622:04:278
2669399182150,18cyclictest0-21swapper/1622:04:278
26704991811,2cyclictest0-21swapper/2621:50:2119
26704991811,2cyclictest0-21swapper/2621:50:2119
26704991811,2cyclictest0-21swapper/2621:50:2119
2671599180164,7cyclictest0-21swapper/3500:10:0329
2671599180164,7cyclictest0-21swapper/3500:10:0329
2671599180164,7cyclictest0-21swapper/3500:10:0229
2671599180164,7cyclictest0-21swapper/3500:10:0229
2669399180162,3cyclictest0-21swapper/1622:55:558
2669399180162,3cyclictest0-21swapper/1622:55:558
2668899180130,31cyclictest37354-21CPU4
2668899180130,31cyclictest37354-21CPU4
2668599180142,34cyclictest2327-21qemu-system-x8621:21:5339
2668599180142,34cyclictest2327-21qemu-system-x8621:21:5339
2671599179168,4cyclictest0-21swapper/3523:48:4129
2671599179168,4cyclictest0-21swapper/3523:48:4129
2671099179156,10cyclictest0-21swapper/3023:36:2724
2671099179156,10cyclictest0-21swapper/3023:36:2624
2671099179156,10cyclictest0-21swapper/3023:36:2624
2669399179170,4cyclictest0-21swapper/1600:30:278
2669399179170,4cyclictest0-21swapper/1600:30:278
2672299178150,23cyclictest3610-21CPU33
2672299178150,23cyclictest3610-21CPU33
2672299178150,23cyclictest3610-21CPU33
2672199178160,11cyclictest0-21swapper/3821:23:2132
2672199178160,11cyclictest0-21swapper/3821:23:2032
2669799178170,6cyclictest0-21swapper/1921:13:1411
2669799178170,6cyclictest0-21swapper/1921:13:1411
2669799178170,6cyclictest0-21swapper/1921:13:1311
2669799178163,5cyclictest0-21swapper/1922:16:2611
2669799178163,5cyclictest0-21swapper/1922:16:2611
2670899177145,28cyclictest0-21swapper/2922:11:4022
2670899177145,28cyclictest0-21swapper/2922:11:3922
2671099175119,34cyclictest3610-21CPU24
2671099175119,34cyclictest3610-21CPU24
2671099175119,34cyclictest3610-21CPU24
2667799174143,11cyclictest0-21swapper/222:10:4012
2667799174143,11cyclictest0-21swapper/222:10:4012
2670499173149,21cyclictest0-21swapper/2622:55:2919
2670499173149,21cyclictest0-21swapper/2622:55:2819
2670499173143,26cyclictest0-21swapper/2622:10:1719
2670499173143,26cyclictest0-21swapper/2622:10:1619
2669399173154,9cyclictest0-21swapper/1620:26:148
2669399173154,9cyclictest0-21swapper/1620:26:138
2670899172140,29cyclictest0-21swapper/2921:30:3222
2670899172140,29cyclictest0-21swapper/2921:30:3222
26704991721,168cyclictest0-21swapper/2623:40:1519
26704991721,168cyclictest0-21swapper/2623:40:1419
26704991721,168cyclictest0-21swapper/2623:40:1419
2669399172146,11cyclictest0-21swapper/1621:38:218
2669399172146,11cyclictest0-21swapper/1621:38:218
266899917291,77cyclictest0-21swapper/1300:01:485
266899917291,77cyclictest0-21swapper/1300:01:485
2670899171156,11cyclictest0-21swapper/2922:41:0122
2670899171156,11cyclictest0-21swapper/2922:41:0122
2670899171142,28cyclictest0-21swapper/2900:32:5522
2670899171142,28cyclictest0-21swapper/2900:32:5422
2668599171147,23cyclictest0-21swapper/922:19:5539
2668599171147,23cyclictest0-21swapper/922:19:5539
2668599171146,20cyclictest0-21swapper/900:02:4239
2668599171146,20cyclictest0-21swapper/900:02:4239
2670899170145,23cyclictest0-21swapper/2920:50:0222
2670899170145,23cyclictest0-21swapper/2920:50:0222
2669299170166,2cyclictest0-21swapper/1523:23:297
2669299170166,2cyclictest0-21swapper/1523:23:297
2669299170166,2cyclictest0-21swapper/1523:23:297
2672299169154,8cyclictest0-21swapper/3923:30:5533
2672299169154,8cyclictest0-21swapper/3923:30:5533
2670899169134,32cyclictest0-21swapper/2900:36:1422
2670899169134,32cyclictest0-21swapper/2900:36:1422
2669599169159,9cyclictest0-21swapper/1723:54:019
2669599169159,9cyclictest0-21swapper/1723:54:019
2671099168142,10cyclictest2464-21CPU24
2671099168142,10cyclictest2464-21CPU24
2670899168142,24cyclictest0-21swapper/2921:41:2522
2670899168142,24cyclictest0-21swapper/2921:41:2422
2670899168142,24cyclictest0-21swapper/2921:41:2422
2669799168160,6cyclictest0-21swapper/1922:45:3311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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