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2025-12-04 - 03:00
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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 Thu Dec 04, 2025 01:01:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1269899314307,3cyclictest0-21swapper/1923:34:3611
1269899314307,3cyclictest0-21swapper/1923:34:3511
1269899314307,3cyclictest0-21swapper/1923:34:3511
12665992642,237cyclictest11903-21CPU12
12665992642,237cyclictest11903-21CPU12
1269899262221,21cyclictest15979-21CPU11
1269899262221,21cyclictest15979-21CPU11
1269899262221,21cyclictest15979-21CPU11
1268199227183,27cyclictest0-21swapper/1122:20:193
1268199227183,27cyclictest0-21swapper/1122:20:193
1268199227183,27cyclictest0-21swapper/1122:20:193
1268199211177,21cyclictest0-21swapper/1122:45:183
1268199211177,21cyclictest0-21swapper/1122:45:183
1268199211177,21cyclictest0-21swapper/1122:45:183
12716992061,80cyclictest0-21swapper/2620:25:1619
12716992061,80cyclictest0-21swapper/2620:25:1619
1267299204196,6cyclictest0-21swapper/923:49:1139
1267299204196,6cyclictest0-21swapper/923:49:1139
1267299204196,6cyclictest0-21swapper/923:49:1139
1268199201193,6cyclictest0-21swapper/1120:30:283
1268199201193,6cyclictest0-21swapper/1120:30:283
1273399198190,7cyclictest0-21swapper/3521:35:2029
1273399198190,7cyclictest0-21swapper/3521:35:2029
12692991961,4cyclictest0-21swapper/1523:55:187
12692991961,4cyclictest0-21swapper/1523:55:187
12692991961,4cyclictest0-21swapper/1523:55:187
1266599196161,30cyclictest0-21swapper/223:55:2612
1266599196161,30cyclictest0-21swapper/223:55:2512
1266599196161,30cyclictest0-21swapper/223:55:2512
12668991951,191cyclictest0-21swapper/500:00:0035
12668991951,191cyclictest0-21swapper/500:00:0035
12668991951,191cyclictest0-21swapper/500:00:0035
12736991941,5cyclictest0-21swapper/3820:05:2132
12736991941,5cyclictest0-21swapper/3820:05:2132
1267099194139,47cyclictest0-21swapper/721:54:5437
1267099194139,47cyclictest0-21swapper/721:54:5337
1267099194139,47cyclictest0-21swapper/721:54:5337
12665991931,174cyclictest0-21swapper/221:10:1812
12665991931,174cyclictest0-21swapper/221:10:1812
12713991921,186cyclictest0-21swapper/2520:45:2018
1268199191181,8cyclictest0-21swapper/1121:50:443
1268199191181,8cyclictest0-21swapper/1121:50:433
1268199191181,8cyclictest0-21swapper/1121:50:433
1271399190140,41cyclictest0-21swapper/2523:55:2518
1271399190140,41cyclictest0-21swapper/2523:55:2518
1271399190140,41cyclictest0-21swapper/2523:55:2518
12665991900,186cyclictest4905-21CPU12
12717991892,155cyclictest15982-21CPU20
12717991892,155cyclictest15982-21CPU20
12717991892,155cyclictest15982-21CPU20
127169918997,85cyclictest31803-21NetworkChangeNo23:55:1919
127169918997,85cyclictest31803-21NetworkChangeNo23:55:1919
127169918997,85cyclictest31803-21NetworkChangeNo23:55:1819
1269599189184,3cyclictest0-21swapper/1700:35:199
1269599189184,3cyclictest0-21swapper/1700:35:199
1268299189168,11cyclictest0-21swapper/1223:05:554
1268299189168,11cyclictest0-21swapper/1223:05:554
1268299189168,11cyclictest0-21swapper/1223:05:544
12712991881,6cyclictest26841-21TaskSchedulerSi23:55:1917
12712991881,6cyclictest26841-21TaskSchedulerSi23:55:1917
12712991881,6cyclictest26841-21TaskSchedulerSi23:55:1917
1267299188180,4cyclictest0-21swapper/923:38:0339
1267299188180,4cyclictest0-21swapper/923:38:0339
12665991881,88cyclictest0-21swapper/219:40:1912
12665991881,88cyclictest0-21swapper/219:40:1912
12712991871,137cyclictest0-21swapper/2423:45:1817
12712991871,137cyclictest0-21swapper/2423:45:1817
12712991871,137cyclictest0-21swapper/2423:45:1817
1269899186178,6cyclictest0-21swapper/1923:38:4611
1269899186178,6cyclictest0-21swapper/1923:38:4611
1267299186182,2cyclictest0-21swapper/919:35:4339
1267299186182,2cyclictest0-21swapper/919:35:4339
12668991861,130cyclictest15981-21CPU35
12668991861,130cyclictest15981-21CPU35
12668991861,130cyclictest15981-21CPU35
12735991853,38cyclictest0-21swapper/3720:10:1931
12735991853,38cyclictest0-21swapper/3720:10:1831
12716991851,179cyclictest0-21swapper/2621:00:1719
12716991851,179cyclictest0-21swapper/2621:00:1719
127139918595,76cyclictest11905-21CPU18
127139918595,76cyclictest11905-21CPU18
1270999185176,7cyclictest0-21swapper/2221:03:2115
1270999185176,7cyclictest0-21swapper/2221:03:2115
12736991844,176cyclictest0-21swapper/3800:10:2232
12736991844,176cyclictest0-21swapper/3800:10:2132
1271399184149,33cyclictest0-21swapper/2521:15:5118
1271399184149,33cyclictest0-21swapper/2521:15:5118
1267099184121,50cyclictest4908-21CPU37
1267099184121,50cyclictest4908-21CPU37
12716991835,171cyclictest15981-21CPU19
12716991835,171cyclictest15981-21CPU19
12716991831,176cyclictest0-21swapper/2600:35:2219
12716991831,176cyclictest0-21swapper/2600:35:2219
126689918382,90cyclictest31552-21inotify_reader22:35:1835
126689918382,90cyclictest31552-21inotify_reader22:35:1835
126689918295,84cyclictest0-21swapper/523:29:4035
126689918295,84cyclictest0-21swapper/523:29:4035
1271399181140,36cyclictest0-21swapper/2522:18:1318
1271399181140,36cyclictest0-21swapper/2522:18:1218
1270999180171,7cyclictest0-21swapper/2220:05:3515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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