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2026-05-22 - 12:17
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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 rack6slot0.osadl.org (updated Fri May 22, 2026 01:01:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3809099205193,9cyclictest0-21swapper/120:40:051
3810199199191,5cyclictest0-21swapper/1021:45:542
3810199199191,5cyclictest0-21swapper/1021:45:542
3810199199191,5cyclictest0-21swapper/1021:45:542
3812799197189,6cyclictest0-21swapper/3221:53:3526
3812799197189,6cyclictest0-21swapper/3221:53:3426
3812499197190,5cyclictest0-21swapper/2921:43:1622
3812499197190,5cyclictest0-21swapper/2921:43:1522
3811299197192,3cyclictest0-21swapper/2122:28:3314
3811299197192,3cyclictest0-21swapper/2122:28:3314
3809299197189,5cyclictest2466-21CPU23
3809299197189,5cyclictest2466-21CPU23
381279919670,123cyclictest0-21swapper/3222:50:1126
381279919670,123cyclictest0-21swapper/3222:50:1126
3812499195187,6cyclictest0-21swapper/2921:10:1422
3812499195187,6cyclictest0-21swapper/2921:10:1422
3812499195187,6cyclictest0-21swapper/2921:10:1422
3812499195141,51cyclictest37354-21CPU22
3812499195141,51cyclictest37354-21CPU22
3812799194189,4cyclictest0-21swapper/3221:49:4426
3812799194189,4cyclictest0-21swapper/3221:49:4426
3812799194189,4cyclictest0-21swapper/3221:49:4426
3812099194157,33cyclictest3609-21CPU20
3812099194157,33cyclictest3609-21CPU20
3809999194191,2cyclictest0-21swapper/923:53:3039
3809999194191,2cyclictest0-21swapper/923:53:3039
3809199194187,5cyclictest0-21swapper/222:28:2812
3809199194187,5cyclictest0-21swapper/222:28:2712
3809199194187,3cyclictest0-21swapper/223:10:2512
3809199194187,3cyclictest0-21swapper/223:10:2512
3810399193147,40cyclictest0-21swapper/1200:18:534
3810399193147,40cyclictest0-21swapper/1200:18:534
3810399193147,40cyclictest0-21swapper/1200:18:534
3810399193110,78cyclictest0-21swapper/1222:45:214
3810399193110,78cyclictest0-21swapper/1222:45:214
3810399193110,78cyclictest0-21swapper/1222:45:214
3812999192181,9cyclictest0-21swapper/3423:39:5128
3812999192181,9cyclictest0-21swapper/3423:39:5128
3809299192181,8cyclictest0-21swapper/300:11:1623
3809299192181,8cyclictest0-21swapper/300:11:1623
3809299192181,8cyclictest0-21swapper/300:11:1623
3812499191184,4cyclictest0-21swapper/2923:11:2722
3812499191184,4cyclictest0-21swapper/2923:11:2722
3812499191183,4cyclictest0-21swapper/2900:09:2822
3812499191183,4cyclictest0-21swapper/2900:09:2822
3809099189186,2cyclictest0-21swapper/100:13:201
3809099189186,2cyclictest0-21swapper/100:13:201
3809099189186,2cyclictest0-21swapper/100:13:201
3812699188183,3cyclictest0-21swapper/3122:57:0425
3812699188183,3cyclictest0-21swapper/3122:57:0425
381189918839,131cyclictest0-21swapper/2623:00:2119
381189918839,131cyclictest0-21swapper/2623:00:2119
3809199188185,2cyclictest0-21swapper/200:22:1012
3809199188185,2cyclictest0-21swapper/200:22:1012
3809199188185,2cyclictest0-21swapper/200:22:1012
3810399187148,31cyclictest0-21swapper/1221:49:324
3810399187148,31cyclictest0-21swapper/1221:49:324
3810399187148,31cyclictest0-21swapper/1221:49:314
3810399186148,35cyclictest0-21swapper/1223:13:424
3810399186148,35cyclictest0-21swapper/1223:13:424
3809299186178,5cyclictest0-21swapper/323:40:2323
3809299186178,5cyclictest0-21swapper/323:40:2223
3810199185123,51cyclictest2454-21CPU2
3810199185123,51cyclictest2454-21CPU2
3812999184171,11cyclictest0-21swapper/3422:11:0528
3812999184171,11cyclictest0-21swapper/3422:11:0528
3812999184171,11cyclictest0-21swapper/3422:11:0528
3812499184171,10cyclictest0-21swapper/2922:37:0822
3812499184171,10cyclictest0-21swapper/2922:37:0822
3810999183171,6cyclictest3610-21CPU10
3810999183171,6cyclictest3610-21CPU10
3810999183171,6cyclictest3610-21CPU10
3812499182175,4cyclictest1392-21gdbus22:07:3422
3812499182175,4cyclictest1392-21gdbus22:07:3422
3812499182160,18cyclictest3610-21CPU22
3812499182160,18cyclictest3610-21CPU22
3810399182159,21cyclictest0-21swapper/1220:00:034
3810399182159,21cyclictest0-21swapper/1220:00:034
3810199182173,6cyclictest33324-21systemd21:44:422
3810199182173,6cyclictest33324-21systemd21:44:422
3809199182156,14cyclictest171rcu_preempt23:15:1012
3809199182156,14cyclictest171rcu_preempt23:15:1012
3811899181148,14cyclictest171rcu_preempt19:30:3319
3811899181148,14cyclictest171rcu_preempt19:30:3219
3810199181154,12cyclictest0-21swapper/1023:50:552
3810199181154,12cyclictest0-21swapper/1023:50:552
3810199181116,50cyclictest4408-21CPU2
3810199181116,50cyclictest4408-21CPU2
3809299181168,3cyclictest0-21swapper/323:14:5723
3809299181168,3cyclictest0-21swapper/323:14:5723
3809199181171,8cyclictest0-21swapper/200:03:5712
3809199181171,8cyclictest0-21swapper/200:03:5612
3812499180134,38cyclictest3546-21CPU22
3812499180134,38cyclictest3546-21CPU22
3811899180151,17cyclictest0-21swapper/2622:17:4519
3811899180151,17cyclictest0-21swapper/2622:17:4519
3811899180151,17cyclictest0-21swapper/2622:17:4519
3810399180158,16cyclictest0-21swapper/1222:00:154
3810399180158,16cyclictest0-21swapper/1222:00:154
3810399180158,16cyclictest0-21swapper/1222:00:154
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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